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Merge tag 'mac80211-next-for-davem-2018-03-29' of git://git.kernel.org/pub/scm/linux...
[mirror_ubuntu-eoan-kernel.git] / drivers / net / wireless / marvell / 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"
54f00849 23#include "wmm.h"
5e6e3a92 24
3c68ef5b
AP		 25static char *reg_alpha2;
26module_param(reg_alpha2, charp, 0);
27
cd8440da
AP		 28static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
29 {
eb5d912e 30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) |
a4df8f56 31 BIT(NL80211_IFTYPE_P2P_GO) |
eb5d912e
SL		 32 BIT(NL80211_IFTYPE_P2P_CLIENT) |
33 BIT(NL80211_IFTYPE_AP),
cd8440da
AP		 34 },
35};
36
cc7359b5
AP		 37static const struct ieee80211_iface_combination
38mwifiex_iface_comb_ap_sta = {
cd8440da
AP		 39 .limits = mwifiex_ap_sta_limits,
40 .num_different_channels = 1,
41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
42 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
43 .beacon_int_infra_match = true,
cc7359b5
AP		 44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
45 BIT(NL80211_CHAN_WIDTH_20) |
46 BIT(NL80211_CHAN_WIDTH_40),
47};
48
49static const struct ieee80211_iface_combination
50mwifiex_iface_comb_ap_sta_vht = {
51 .limits = mwifiex_ap_sta_limits,
52 .num_different_channels = 1,
53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
54 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
55 .beacon_int_infra_match = true,
56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
57 BIT(NL80211_CHAN_WIDTH_20) |
58 BIT(NL80211_CHAN_WIDTH_40) |
59 BIT(NL80211_CHAN_WIDTH_80),
cd8440da
AP		 60};
61
de9e9932 62static const struct
cc7359b5 63ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
de9e9932
AP		 64 .limits = mwifiex_ap_sta_limits,
65 .num_different_channels = 2,
66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
67 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
68 .beacon_int_infra_match = true,
69};
70
5e6e3a92
BZ		 71/*
72 * This function maps the nl802.11 channel type into driver channel type.
73 *
74 * The mapping is as follows -
21c3ba34
AK		 75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
5e6e3a92 80 */
7feb4c48 81u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
5e6e3a92 82{
05910f4a 83 switch (chan_type) {
5e6e3a92
BZ		 84 case NL80211_CHAN_NO_HT:
85 case NL80211_CHAN_HT20:
21c3ba34 86 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 87 case NL80211_CHAN_HT40PLUS:
21c3ba34 88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
5e6e3a92 89 case NL80211_CHAN_HT40MINUS:
21c3ba34 90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
5e6e3a92 91 default:
21c3ba34 92 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 93 }
5e6e3a92
BZ		 94}
95
7ee38bf4
XH		 96/* This function maps IEEE HT secondary channel type to NL80211 channel type
97 */
28bf8312
GB		 98u8 mwifiex_get_chan_type(struct mwifiex_private *priv)
99{
100 struct mwifiex_channel_band channel_band;
101 int ret;
102
103 ret = mwifiex_get_chan_info(priv, &channel_band);
104
105 if (!ret) {
106 switch (channel_band.band_config.chan_width) {
107 case CHAN_BW_20MHZ:
108 if (IS_11N_ENABLED(priv))
109 return NL80211_CHAN_HT20;
110 else
111 return NL80211_CHAN_NO_HT;
112 case CHAN_BW_40MHZ:
113 if (channel_band.band_config.chan2_offset ==
114 SEC_CHAN_ABOVE)
115 return NL80211_CHAN_HT40PLUS;
116 else
117 return NL80211_CHAN_HT40MINUS;
118 default:
119 return NL80211_CHAN_HT20;
120 }
7ee38bf4 121 }
28bf8312
GB		 122
123 return NL80211_CHAN_HT20;
7ee38bf4
XH		 124}
125
5e6e3a92
BZ		 126/*
127 * This function checks whether WEP is set.
128 */
129static int
130mwifiex_is_alg_wep(u32 cipher)
131{
5e6e3a92 132 switch (cipher) {
2be50b8d
YAP		 133 case WLAN_CIPHER_SUITE_WEP40:
134 case WLAN_CIPHER_SUITE_WEP104:
270e58e8 135 return 1;
5e6e3a92 136 default:
5e6e3a92
BZ		 137 break;
138 }
270e58e8
YAP		 139
140 return 0;
5e6e3a92
BZ		 141}
142
5e6e3a92
BZ		 143/*
144 * This function retrieves the private structure from kernel wiphy structure.
145 */
67fdf39e 146static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
5e6e3a92
BZ		 147{
148 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
149}
150
151/*
152 * CFG802.11 operation handler to delete a network key.
153 */
154static int
155mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
156 u8 key_index, bool pairwise, const u8 *mac_addr)
157{
f540f9f3 158 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
d157bcfa 159 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
75edd2c6 160 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 161
53b11231 162 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
acebe8c1 163 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
5e6e3a92
BZ		 164 return -EFAULT;
165 }
166
acebe8c1 167 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
5e6e3a92
BZ		 168 return 0;
169}
170
e39faa73
SP		 171/*
172 * This function forms an skb for management frame.
173 */
174static int
175mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
176{
177 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
178 u16 pkt_len;
179 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
e39faa73
SP		 180
181 pkt_len = len + ETH_ALEN;
182
183 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
184 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
185 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
186
187 memcpy(skb_push(skb, sizeof(tx_control)),
188 &tx_control, sizeof(tx_control));
189
190 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
191
192 /* Add packet data and address4 */
59ae1d12
JB		 193 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
194 skb_put_data(skb, addr, ETH_ALEN);
195 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
196 len - sizeof(struct ieee80211_hdr_3addr));
e39faa73
SP		 197
198 skb->priority = LOW_PRIO_TID;
c64800e7 199 __net_timestamp(skb);
e39faa73
SP		 200
201 return 0;
202}
203
204/*
205 * CFG802.11 operation handler to transmit a management frame.
206 */
207static int
208mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 209 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
e39faa73 210{
b176e629
AO		 211 const u8 *buf = params->buf;
212 size_t len = params->len;
e39faa73
SP		 213 struct sk_buff *skb;
214 u16 pkt_len;
215 const struct ieee80211_mgmt *mgmt;
231d83e2 216 struct mwifiex_txinfo *tx_info;
e39faa73
SP		 217 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
218
219 if (!buf || !len) {
acebe8c1 220 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
e39faa73
SP		 221 return -EFAULT;
222 }
223
224 mgmt = (const struct ieee80211_mgmt *)buf;
225 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
226 ieee80211_is_probe_resp(mgmt->frame_control)) {
227 /* Since we support offload probe resp, we need to skip probe
228 * resp in AP or GO mode */
acebe8c1
ZL		 229 mwifiex_dbg(priv->adapter, INFO,
230 "info: skip to send probe resp in AP or GO mode\n");
e39faa73
SP		 231 return 0;
232 }
233
234 pkt_len = len + ETH_ALEN;
235 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
236 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
237 pkt_len + sizeof(pkt_len));
238
239 if (!skb) {
acebe8c1
ZL		 240 mwifiex_dbg(priv->adapter, ERROR,
241 "allocate skb failed for management frame\n");
e39faa73
SP		 242 return -ENOMEM;
243 }
244
231d83e2 245 tx_info = MWIFIEX_SKB_TXCB(skb);
701a9e61 246 memset(tx_info, 0, sizeof(*tx_info));
231d83e2
HY		 247 tx_info->bss_num = priv->bss_num;
248 tx_info->bss_type = priv->bss_type;
a1ed4849 249 tx_info->pkt_len = pkt_len;
231d83e2 250
e39faa73 251 mwifiex_form_mgmt_frame(skb, buf, len);
e00adf39 252 *cookie = prandom_u32() | 1;
18ca4382
AK		 253
254 if (ieee80211_is_action(mgmt->frame_control))
255 skb = mwifiex_clone_skb_for_tx_status(priv,
256 skb,
257 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
258 else
259 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
260 GFP_ATOMIC);
261
262 mwifiex_queue_tx_pkt(priv, skb);
e39faa73 263
acebe8c1 264 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
e39faa73
SP		 265 return 0;
266}
267
3cec6870
SP		 268/*
269 * CFG802.11 operation handler to register a mgmt frame.
270 */
271static void
272mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
273 struct wireless_dev *wdev,
274 u16 frame_type, bool reg)
275{
276 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4481b2db 277 u32 mask;
3cec6870
SP		 278
279 if (reg)
4481b2db 280 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
3cec6870 281 else
4481b2db
SP		 282 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
283
284 if (mask != priv->mgmt_frame_mask) {
285 priv->mgmt_frame_mask = mask;
fa0ecbb9
BZ		 286 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
287 HostCmd_ACT_GEN_SET, 0,
288 &priv->mgmt_frame_mask, false);
acebe8c1 289 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
4481b2db 290 }
3cec6870
SP		 291}
292
7feb4c48
SP		 293/*
294 * CFG802.11 operation handler to remain on channel.
295 */
296static int
297mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
298 struct wireless_dev *wdev,
299 struct ieee80211_channel *chan,
7feb4c48
SP		 300 unsigned int duration, u64 *cookie)
301{
302 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
303 int ret;
304
305 if (!chan || !cookie) {
acebe8c1 306 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
7feb4c48
SP		 307 return -EINVAL;
308 }
309
310 if (priv->roc_cfg.cookie) {
acebe8c1
ZL		 311 mwifiex_dbg(priv->adapter, INFO,
312 "info: ongoing ROC, cookie = 0x%llx\n",
313 priv->roc_cfg.cookie);
7feb4c48
SP		 314 return -EBUSY;
315 }
316
317 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
42d97a59 318 duration);
7feb4c48
SP		 319
320 if (!ret) {
e00adf39 321 *cookie = prandom_u32() | 1;
7feb4c48
SP		 322 priv->roc_cfg.cookie = *cookie;
323 priv->roc_cfg.chan = *chan;
7feb4c48 324
42d97a59 325 cfg80211_ready_on_channel(wdev, *cookie, chan,
7feb4c48
SP		 326 duration, GFP_ATOMIC);
327
acebe8c1
ZL		 328 mwifiex_dbg(priv->adapter, INFO,
329 "info: ROC, cookie = 0x%llx\n", *cookie);
7feb4c48
SP		 330 }
331
332 return ret;
333}
334
335/*
336 * CFG802.11 operation handler to cancel remain on channel.
337 */
338static int
339mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
340 struct wireless_dev *wdev, u64 cookie)
341{
342 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
343 int ret;
344
345 if (cookie != priv->roc_cfg.cookie)
346 return -ENOENT;
347
348 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
42d97a59 349 &priv->roc_cfg.chan, 0);
7feb4c48
SP		 350
351 if (!ret) {
352 cfg80211_remain_on_channel_expired(wdev, cookie,
353 &priv->roc_cfg.chan,
7feb4c48
SP		 354 GFP_ATOMIC);
355
356 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
357
acebe8c1
ZL		 358 mwifiex_dbg(priv->adapter, INFO,
359 "info: cancel ROC, cookie = 0x%llx\n", cookie);
7feb4c48
SP		 360 }
361
362 return ret;
363}
364
5e6e3a92
BZ		 365/*
366 * CFG802.11 operation handler to set Tx power.
367 */
368static int
369mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
c8442118 370 struct wireless_dev *wdev,
5e6e3a92 371 enum nl80211_tx_power_setting type,
742c29fd 372 int mbm)
5e6e3a92 373{
67fdf39e
AP		 374 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
375 struct mwifiex_private *priv;
600f5d90 376 struct mwifiex_power_cfg power_cfg;
742c29fd 377 int dbm = MBM_TO_DBM(mbm);
5e6e3a92 378
600f5d90
AK		 379 if (type == NL80211_TX_POWER_FIXED) {
380 power_cfg.is_power_auto = 0;
381 power_cfg.power_level = dbm;
382 } else {
383 power_cfg.is_power_auto = 1;
384 }
385
67fdf39e
AP		 386 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
387
636c4598 388 return mwifiex_set_tx_power(priv, &power_cfg);
5e6e3a92
BZ		 389}
390
7d54baca
JMC		 391/*
392 * CFG802.11 operation handler to get Tx power.
393 */
394static int
395mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
396 struct wireless_dev *wdev,
397 int *dbm)
398{
399 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
400 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
401 MWIFIEX_BSS_ROLE_ANY);
402 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
403 HostCmd_ACT_GEN_GET, 0, NULL, true);
404
405 if (ret < 0)
406 return ret;
407
408 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
409 *dbm = priv->tx_power_level;
410
411 return 0;
412}
413
5e6e3a92
BZ		 414/*
415 * CFG802.11 operation handler to set Power Save option.
416 *
417 * The timeout value, if provided, is currently ignored.
418 */
419static int
420mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
421 struct net_device *dev,
422 bool enabled, int timeout)
423{
f540f9f3 424 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
600f5d90 425 u32 ps_mode;
5e6e3a92
BZ		 426
427 if (timeout)
acebe8c1
ZL		 428 mwifiex_dbg(priv->adapter, INFO,
429 "info: ignore timeout value for IEEE Power Save\n");
5e6e3a92 430
600f5d90 431 ps_mode = enabled;
5e6e3a92 432
636c4598 433 return mwifiex_drv_set_power(priv, &ps_mode);
5e6e3a92
BZ		 434}
435
436/*
437 * CFG802.11 operation handler to set the default network key.
438 */
439static int
440mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
441 u8 key_index, bool unicast,
442 bool multicast)
443{
f540f9f3 444 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
5e6e3a92 445
2d3d0a88 446 /* Return if WEP key not configured */
5eb02e44 447 if (!priv->sec_info.wep_enabled)
2d3d0a88
AK		 448 return 0;
449
96893538
AP		 450 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
451 priv->wep_key_curr_index = key_index;
53b11231
YL		 452 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
453 NULL, 0)) {
acebe8c1 454 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
5e6e3a92 455 return -EFAULT;
636c4598 456 }
5e6e3a92
BZ		 457
458 return 0;
459}
460
461/*
462 * CFG802.11 operation handler to add a network key.
463 */
464static int
465mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
466 u8 key_index, bool pairwise, const u8 *mac_addr,
467 struct key_params *params)
468{
f540f9f3 469 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
96893538 470 struct mwifiex_wep_key *wep_key;
d157bcfa 471 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
75edd2c6 472 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 473
96893538
AP		 474 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
475 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
476 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
477 if (params->key && params->key_len) {
478 wep_key = &priv->wep_key[key_index];
479 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
480 memcpy(wep_key->key_material, params->key,
481 params->key_len);
482 wep_key->key_index = key_index;
483 wep_key->key_length = params->key_len;
484 priv->sec_info.wep_enabled = 1;
485 }
486 return 0;
487 }
488
53b11231 489 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
75edd2c6 490 key_index, peer_mac, 0)) {
acebe8c1 491 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
5e6e3a92 492 return -EFAULT;
636c4598 493 }
5e6e3a92
BZ		 494
495 return 0;
496}
497
89951db2
GB		 498/*
499 * CFG802.11 operation handler to set default mgmt key.
500 */
501static int
502mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
503 struct net_device *netdev,
504 u8 key_index)
505{
506 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
507 struct mwifiex_ds_encrypt_key encrypt_key;
508
509 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
510
511 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
512 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
513 encrypt_key.key_index = key_index;
514 encrypt_key.is_igtk_def_key = true;
515 eth_broadcast_addr(encrypt_key.mac_addr);
516
517 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
518 HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
519}
520
5e6e3a92
BZ		 521/*
522 * This function sends domain information to the firmware.
523 *
524 * The following information are passed to the firmware -
525 * - Country codes
526 * - Sub bands (first channel, number of channels, maximum Tx power)
527 */
65d48e59 528int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
5e6e3a92
BZ		 529{
530 u8 no_of_triplet = 0;
531 struct ieee80211_country_ie_triplet *t;
532 u8 no_of_parsed_chan = 0;
533 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
534 u8 i, flag = 0;
57fbcce3 535 enum nl80211_band band;
5e6e3a92
BZ		 536 struct ieee80211_supported_band *sband;
537 struct ieee80211_channel *ch;
67fdf39e
AP		 538 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
539 struct mwifiex_private *priv;
5e6e3a92 540 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
5e6e3a92
BZ		 541
542 /* Set country code */
67fdf39e
AP		 543 domain_info->country_code[0] = adapter->country_code[0];
544 domain_info->country_code[1] = adapter->country_code[1];
5e6e3a92
BZ		 545 domain_info->country_code[2] = ' ';
546
547 band = mwifiex_band_to_radio_type(adapter->config_bands);
548 if (!wiphy->bands[band]) {
acebe8c1
ZL		 549 mwifiex_dbg(adapter, ERROR,
550 "11D: setting domain info in FW\n");
5e6e3a92
BZ		 551 return -1;
552 }
553
554 sband = wiphy->bands[band];
555
556 for (i = 0; i < sband->n_channels ; i++) {
557 ch = &sband->channels[i];
558 if (ch->flags & IEEE80211_CHAN_DISABLED)
559 continue;
560
561 if (!flag) {
562 flag = 1;
563 first_chan = (u32) ch->hw_value;
564 next_chan = first_chan;
22db2497 565 max_pwr = ch->max_power;
5e6e3a92
BZ		 566 no_of_parsed_chan = 1;
567 continue;
568 }
569
570 if (ch->hw_value == next_chan + 1 &&
22db2497 571 ch->max_power == max_pwr) {
5e6e3a92
BZ		 572 next_chan++;
573 no_of_parsed_chan++;
574 } else {
575 t = &domain_info->triplet[no_of_triplet];
576 t->chans.first_channel = first_chan;
577 t->chans.num_channels = no_of_parsed_chan;
578 t->chans.max_power = max_pwr;
579 no_of_triplet++;
580 first_chan = (u32) ch->hw_value;
581 next_chan = first_chan;
22db2497 582 max_pwr = ch->max_power;
5e6e3a92
BZ		 583 no_of_parsed_chan = 1;
584 }
585 }
586
587 if (flag) {
588 t = &domain_info->triplet[no_of_triplet];
589 t->chans.first_channel = first_chan;
590 t->chans.num_channels = no_of_parsed_chan;
591 t->chans.max_power = max_pwr;
592 no_of_triplet++;
593 }
594
595 domain_info->no_of_triplet = no_of_triplet;
636c4598 596
67fdf39e
AP		 597 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
598
fa0ecbb9
BZ		 599 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
600 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
acebe8c1
ZL		 601 mwifiex_dbg(adapter, INFO,
602 "11D: setting domain info in FW\n");
636c4598
YAP		 603 return -1;
604 }
5e6e3a92 605
636c4598 606 return 0;
5e6e3a92
BZ		 607}
608
1aed8964
KA		 609static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
610{
611 struct ieee80211_supported_band *sband;
612 struct ieee80211_channel *chan;
613 unsigned int i;
614
615 if (!wiphy->bands[NL80211_BAND_5GHZ])
616 return;
617 sband = wiphy->bands[NL80211_BAND_5GHZ];
618
619 for (i = 0; i < sband->n_channels; i++) {
620 chan = &sband->channels[i];
621 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
622 (chan->flags & IEEE80211_CHAN_RADAR))
623 chan->flags |= IEEE80211_CHAN_NO_IR;
624 }
625}
626
5e6e3a92
BZ		 627/*
628 * CFG802.11 regulatory domain callback function.
629 *
630 * This function is called when the regulatory domain is changed due to the
631 * following reasons -
632 * - Set by driver
633 * - Set by system core
634 * - Set by user
635 * - Set bt Country IE
636 */
0c0280bd
LR		 637static void mwifiex_reg_notifier(struct wiphy *wiphy,
638 struct regulatory_request *request)
5e6e3a92 639{
67fdf39e 640 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
82efa16a
BZ		 641 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
642 MWIFIEX_BSS_ROLE_ANY);
acebe8c1
ZL		 643 mwifiex_dbg(adapter, INFO,
644 "info: cfg80211 regulatory domain callback for %c%c\n",
645 request->alpha2[0], request->alpha2[1]);
1aed8964 646 mwifiex_reg_apply_radar_flags(wiphy);
5e6e3a92 647
5e6e3a92
BZ		 648 switch (request->initiator) {
649 case NL80211_REGDOM_SET_BY_DRIVER:
650 case NL80211_REGDOM_SET_BY_CORE:
651 case NL80211_REGDOM_SET_BY_USER:
5e6e3a92
BZ		 652 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
653 break;
dd4a9ac0 654 default:
acebe8c1
ZL		 655 mwifiex_dbg(adapter, ERROR,
656 "unknown regdom initiator: %d\n",
657 request->initiator);
dd4a9ac0
BZ		 658 return;
659 }
660
661 /* Don't send world or same regdom info to firmware */
662 if (strncmp(request->alpha2, "00", 2) &&
663 strncmp(request->alpha2, adapter->country_code,
664 sizeof(request->alpha2))) {
665 memcpy(adapter->country_code, request->alpha2,
666 sizeof(request->alpha2));
667 mwifiex_send_domain_info_cmd_fw(wiphy);
b58df446 668 mwifiex_dnld_txpwr_table(priv);
5e6e3a92 669 }
5e6e3a92
BZ		 670}
671
5e6e3a92
BZ		 672/*
673 * This function sets the fragmentation threshold.
674 *
600f5d90 675 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
5e6e3a92
BZ		 676 * and MWIFIEX_FRAG_MAX_VALUE.
677 */
678static int
679mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
680{
aea0701e
YAP		 681 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
682 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
9b930eae 683 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
5e6e3a92 684
fa0ecbb9
BZ		 685 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
686 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
687 &frag_thr, true);
5e6e3a92
BZ		 688}
689
690/*
691 * This function sets the RTS threshold.
600f5d90
AK		 692
693 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
694 * and MWIFIEX_RTS_MAX_VALUE.
5e6e3a92
BZ		 695 */
696static int
697mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
698{
5e6e3a92
BZ		 699 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
700 rts_thr = MWIFIEX_RTS_MAX_VALUE;
701
fa0ecbb9
BZ		 702 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
703 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
704 &rts_thr, true);
5e6e3a92
BZ		 705}
706
707/*
708 * CFG802.11 operation handler to set wiphy parameters.
709 *
710 * This function can be used to set the RTS threshold and the
711 * Fragmentation threshold of the driver.
712 */
713static int
714mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
715{
67fdf39e 716 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
9b930eae
AP		 717 struct mwifiex_private *priv;
718 struct mwifiex_uap_bss_param *bss_cfg;
09f63ae6
AP		 719 int ret;
720
721 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
9b930eae 722
09f63ae6
AP		 723 switch (priv->bss_role) {
724 case MWIFIEX_BSS_ROLE_UAP:
725 if (priv->bss_started) {
acebe8c1
ZL		 726 mwifiex_dbg(adapter, ERROR,
727 "cannot change wiphy params when bss started");
09f63ae6
AP		 728 return -EINVAL;
729 }
5e6e3a92 730
09f63ae6
AP		 731 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
732 if (!bss_cfg)
733 return -ENOMEM;
9b930eae 734
09f63ae6 735 mwifiex_set_sys_config_invalid_data(bss_cfg);
5e6e3a92 736
09f63ae6
AP		 737 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
738 bss_cfg->rts_threshold = wiphy->rts_threshold;
739 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
740 bss_cfg->frag_threshold = wiphy->frag_threshold;
741 if (changed & WIPHY_PARAM_RETRY_LONG)
742 bss_cfg->retry_limit = wiphy->retry_long;
9b930eae 743
09f63ae6
AP		 744 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
745 HostCmd_ACT_GEN_SET,
746 UAP_BSS_PARAMS_I, bss_cfg,
747 false);
748
749 kfree(bss_cfg);
750 if (ret) {
acebe8c1
ZL		 751 mwifiex_dbg(adapter, ERROR,
752 "Failed to set wiphy phy params\n");
09f63ae6
AP		 753 return ret;
754 }
755 break;
9b930eae 756
32962d5b 757 case MWIFIEX_BSS_ROLE_STA:
09f63ae6 758 if (priv->media_connected) {
acebe8c1
ZL		 759 mwifiex_dbg(adapter, ERROR,
760 "cannot change wiphy params when connected");
09f63ae6
AP		 761 return -EINVAL;
762 }
763 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
764 ret = mwifiex_set_rts(priv,
765 wiphy->rts_threshold);
766 if (ret)
767 return ret;
9b930eae 768 }
09f63ae6
AP		 769 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
770 ret = mwifiex_set_frag(priv,
771 wiphy->frag_threshold);
772 if (ret)
773 return ret;
774 }
775 break;
9b930eae
AP		 776 }
777
778 return 0;
5e6e3a92
BZ		 779}
780
e1a2b7a3
SP		 781static int
782mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
783{
784 u16 mode = P2P_MODE_DISABLE;
785
fa0ecbb9
BZ		 786 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
787 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 788 return -1;
789
790 return 0;
791}
792
793/*
794 * This function initializes the functionalities for P2P client.
795 * The P2P client initialization sequence is:
796 * disable -> device -> client
797 */
798static int
799mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
800{
801 u16 mode;
802
803 if (mwifiex_cfg80211_deinit_p2p(priv))
804 return -1;
805
806 mode = P2P_MODE_DEVICE;
fa0ecbb9
BZ		 807 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
808 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 809 return -1;
810
811 mode = P2P_MODE_CLIENT;
fa0ecbb9
BZ		 812 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
813 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 814 return -1;
815
816 return 0;
817}
818
9197ab9e
SP		 819/*
820 * This function initializes the functionalities for P2P GO.
821 * The P2P GO initialization sequence is:
822 * disable -> device -> GO
823 */
824static int
825mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
826{
827 u16 mode;
828
829 if (mwifiex_cfg80211_deinit_p2p(priv))
830 return -1;
831
832 mode = P2P_MODE_DEVICE;
fa0ecbb9
BZ		 833 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
834 HostCmd_ACT_GEN_SET, 0, &mode, true))
9197ab9e
SP		 835 return -1;
836
837 mode = P2P_MODE_GO;
fa0ecbb9
BZ		 838 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
839 HostCmd_ACT_GEN_SET, 0, &mode, true))
9197ab9e
SP		 840 return -1;
841
047eaaf6
AP		 842 return 0;
843}
844
845static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
846{
a9adbcb3
AP		 847 struct mwifiex_adapter *adapter = priv->adapter;
848 unsigned long flags;
849
047eaaf6
AP		 850 priv->mgmt_frame_mask = 0;
851 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
852 HostCmd_ACT_GEN_SET, 0,
853 &priv->mgmt_frame_mask, false)) {
acebe8c1
ZL		 854 mwifiex_dbg(adapter, ERROR,
855 "could not unregister mgmt frame rx\n");
047eaaf6
AP		 856 return -1;
857 }
858
859 mwifiex_deauthenticate(priv, NULL);
a9adbcb3
AP		 860
861 spin_lock_irqsave(&adapter->main_proc_lock, flags);
862 adapter->main_locked = true;
863 if (adapter->mwifiex_processing) {
864 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
865 flush_workqueue(adapter->workqueue);
866 } else {
867 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
868 }
869
870 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
871 adapter->rx_locked = true;
872 if (adapter->rx_processing) {
873 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
874 flush_workqueue(adapter->rx_workqueue);
875 } else {
876 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
877 }
878
047eaaf6
AP		 879 mwifiex_free_priv(priv);
880 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
881 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
882 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
883
884 return 0;
885}
886
887static int
888mwifiex_init_new_priv_params(struct mwifiex_private *priv,
889 struct net_device *dev,
890 enum nl80211_iftype type)
891{
a9adbcb3
AP		 892 struct mwifiex_adapter *adapter = priv->adapter;
893 unsigned long flags;
894
047eaaf6
AP		 895 mwifiex_init_priv(priv);
896
897 priv->bss_mode = type;
898 priv->wdev.iftype = type;
899
900 mwifiex_init_priv_params(priv, priv->netdev);
901 priv->bss_started = 0;
902
903 switch (type) {
904 case NL80211_IFTYPE_STATION:
905 case NL80211_IFTYPE_ADHOC:
906 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
047eaaf6
AP		 907 break;
908 case NL80211_IFTYPE_P2P_CLIENT:
047eaaf6 909 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
047eaaf6 910 break;
ae86c587
AN		 911 case NL80211_IFTYPE_P2P_GO:
912 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
ae86c587 913 break;
047eaaf6 914 case NL80211_IFTYPE_AP:
047eaaf6
AP		 915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
916 break;
917 default:
acebe8c1
ZL		 918 mwifiex_dbg(adapter, ERROR,
919 "%s: changing to %d not supported\n",
920 dev->name, type);
047eaaf6
AP		 921 return -EOPNOTSUPP;
922 }
9197ab9e 923
a9adbcb3
AP		 924 spin_lock_irqsave(&adapter->main_proc_lock, flags);
925 adapter->main_locked = false;
926 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
927
928 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
929 adapter->rx_locked = false;
930 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
931
4ba28f93
XH		 932 mwifiex_set_mac_address(priv, dev);
933
9197ab9e
SP		 934 return 0;
935}
936
047eaaf6
AP		 937static int
938mwifiex_change_vif_to_p2p(struct net_device *dev,
939 enum nl80211_iftype curr_iftype,
818a986e 940 enum nl80211_iftype type,
047eaaf6
AP		 941 struct vif_params *params)
942{
943 struct mwifiex_private *priv;
944 struct mwifiex_adapter *adapter;
945
946 priv = mwifiex_netdev_get_priv(dev);
947
948 if (!priv)
949 return -1;
950
951 adapter = priv->adapter;
952
953 if (adapter->curr_iface_comb.p2p_intf ==
954 adapter->iface_limit.p2p_intf) {
acebe8c1
ZL		 955 mwifiex_dbg(adapter, ERROR,
956 "cannot create multiple P2P ifaces\n");
047eaaf6
AP		 957 return -1;
958 }
959
acebe8c1
ZL		 960 mwifiex_dbg(adapter, INFO,
961 "%s: changing role to p2p\n", dev->name);
047eaaf6
AP		 962
963 if (mwifiex_deinit_priv_params(priv))
964 return -1;
965 if (mwifiex_init_new_priv_params(priv, dev, type))
966 return -1;
967
968 switch (type) {
969 case NL80211_IFTYPE_P2P_CLIENT:
970 if (mwifiex_cfg80211_init_p2p_client(priv))
971 return -EFAULT;
972 break;
973 case NL80211_IFTYPE_P2P_GO:
974 if (mwifiex_cfg80211_init_p2p_go(priv))
975 return -EFAULT;
976 break;
977 default:
acebe8c1
ZL		 978 mwifiex_dbg(adapter, ERROR,
979 "%s: changing to %d not supported\n",
980 dev->name, type);
047eaaf6
AP		 981 return -EOPNOTSUPP;
982 }
983
984 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
985 HostCmd_ACT_GEN_SET, 0, NULL, true))
986 return -1;
987
988 if (mwifiex_sta_init_cmd(priv, false, false))
989 return -1;
990
991 switch (curr_iftype) {
992 case NL80211_IFTYPE_STATION:
993 case NL80211_IFTYPE_ADHOC:
994 adapter->curr_iface_comb.sta_intf--;
995 break;
996 case NL80211_IFTYPE_AP:
997 adapter->curr_iface_comb.uap_intf--;
998 break;
999 default:
1000 break;
1001 }
1002
1003 adapter->curr_iface_comb.p2p_intf++;
1004 dev->ieee80211_ptr->iftype = type;
1005
1006 return 0;
1007}
1008
1009static int
1010mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1011 enum nl80211_iftype curr_iftype,
818a986e 1012 enum nl80211_iftype type,
047eaaf6
AP		 1013 struct vif_params *params)
1014{
1015 struct mwifiex_private *priv;
1016 struct mwifiex_adapter *adapter;
1017
1018 priv = mwifiex_netdev_get_priv(dev);
1019
1020 if (!priv)
1021 return -1;
1022
1023 adapter = priv->adapter;
1024
1025 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
1026 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
1027 (adapter->curr_iface_comb.sta_intf ==
1028 adapter->iface_limit.sta_intf)) {
acebe8c1
ZL		 1029 mwifiex_dbg(adapter, ERROR,
1030 "cannot create multiple station/adhoc ifaces\n");
047eaaf6
AP		 1031 return -1;
1032 }
1033
1034 if (type == NL80211_IFTYPE_STATION)
acebe8c1
ZL		 1035 mwifiex_dbg(adapter, INFO,
1036 "%s: changing role to station\n", dev->name);
047eaaf6 1037 else
acebe8c1
ZL		 1038 mwifiex_dbg(adapter, INFO,
1039 "%s: changing role to adhoc\n", dev->name);
047eaaf6
AP		 1040
1041 if (mwifiex_deinit_priv_params(priv))
1042 return -1;
1043 if (mwifiex_init_new_priv_params(priv, dev, type))
1044 return -1;
1045 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1046 HostCmd_ACT_GEN_SET, 0, NULL, true))
1047 return -1;
1048 if (mwifiex_sta_init_cmd(priv, false, false))
1049 return -1;
1050
1051 switch (curr_iftype) {
1052 case NL80211_IFTYPE_P2P_CLIENT:
1053 case NL80211_IFTYPE_P2P_GO:
1054 adapter->curr_iface_comb.p2p_intf--;
1055 break;
1056 case NL80211_IFTYPE_AP:
1057 adapter->curr_iface_comb.uap_intf--;
1058 break;
1059 default:
1060 break;
1061 }
1062
1063 adapter->curr_iface_comb.sta_intf++;
1064 dev->ieee80211_ptr->iftype = type;
1065 return 0;
1066}
1067
1068static int
1069mwifiex_change_vif_to_ap(struct net_device *dev,
1070 enum nl80211_iftype curr_iftype,
818a986e 1071 enum nl80211_iftype type,
047eaaf6
AP		 1072 struct vif_params *params)
1073{
1074 struct mwifiex_private *priv;
1075 struct mwifiex_adapter *adapter;
1076
1077 priv = mwifiex_netdev_get_priv(dev);
1078
1079 if (!priv)
1080 return -1;
1081
1082 adapter = priv->adapter;
1083
1084 if (adapter->curr_iface_comb.uap_intf ==
1085 adapter->iface_limit.uap_intf) {
acebe8c1
ZL		 1086 mwifiex_dbg(adapter, ERROR,
1087 "cannot create multiple AP ifaces\n");
047eaaf6
AP		 1088 return -1;
1089 }
1090
acebe8c1
ZL		 1091 mwifiex_dbg(adapter, INFO,
1092 "%s: changing role to AP\n", dev->name);
047eaaf6
AP		 1093
1094 if (mwifiex_deinit_priv_params(priv))
1095 return -1;
1096 if (mwifiex_init_new_priv_params(priv, dev, type))
1097 return -1;
1098 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1099 HostCmd_ACT_GEN_SET, 0, NULL, true))
1100 return -1;
1101 if (mwifiex_sta_init_cmd(priv, false, false))
1102 return -1;
1103
1104 switch (curr_iftype) {
1105 case NL80211_IFTYPE_P2P_CLIENT:
1106 case NL80211_IFTYPE_P2P_GO:
1107 adapter->curr_iface_comb.p2p_intf--;
1108 break;
1109 case NL80211_IFTYPE_STATION:
1110 case NL80211_IFTYPE_ADHOC:
1111 adapter->curr_iface_comb.sta_intf--;
1112 break;
1113 default:
1114 break;
1115 }
1116
1117 adapter->curr_iface_comb.uap_intf++;
1118 dev->ieee80211_ptr->iftype = type;
1119 return 0;
1120}
5e6e3a92
BZ		 1121/*
1122 * CFG802.11 operation handler to change interface type.
5e6e3a92
BZ		 1123 */
1124static int
1125mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1126 struct net_device *dev,
818a986e 1127 enum nl80211_iftype type,
5e6e3a92
BZ		 1128 struct vif_params *params)
1129{
5e6e3a92 1130 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
047eaaf6 1131 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
5e6e3a92 1132
c61cfe49
LZ		 1133 if (priv->scan_request) {
1134 mwifiex_dbg(priv->adapter, ERROR,
1135 "change virtual interface: scan in process\n");
1136 return -EBUSY;
1137 }
1138
047eaaf6 1139 switch (curr_iftype) {
5e6e3a92 1140 case NL80211_IFTYPE_ADHOC:
4f02341a
AP		 1141 switch (type) {
1142 case NL80211_IFTYPE_STATION:
047eaaf6
AP		 1143 priv->bss_mode = type;
1144 priv->sec_info.authentication_mode =
1145 NL80211_AUTHTYPE_OPEN_SYSTEM;
1146 dev->ieee80211_ptr->iftype = type;
1147 mwifiex_deauthenticate(priv, NULL);
1148 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1149 HostCmd_ACT_GEN_SET, 0, NULL,
1150 true);
1151 case NL80211_IFTYPE_P2P_CLIENT:
1152 case NL80211_IFTYPE_P2P_GO:
1153 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
818a986e 1154 type, params);
047eaaf6
AP		 1155 case NL80211_IFTYPE_AP:
1156 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
818a986e 1157 params);
4f02341a 1158 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1159 mwifiex_dbg(priv->adapter, INFO,
1160 "%s: kept type as IBSS\n", dev->name);
4f02341a
AP		 1161 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1162 return 0;
4f02341a 1163 default:
acebe8c1
ZL		 1164 mwifiex_dbg(priv->adapter, ERROR,
1165 "%s: changing to %d not supported\n",
1166 dev->name, type);
4f02341a
AP		 1167 return -EOPNOTSUPP;
1168 }
5e6e3a92
BZ		 1169 break;
1170 case NL80211_IFTYPE_STATION:
4f02341a
AP		 1171 switch (type) {
1172 case NL80211_IFTYPE_ADHOC:
047eaaf6
AP		 1173 priv->bss_mode = type;
1174 priv->sec_info.authentication_mode =
1175 NL80211_AUTHTYPE_OPEN_SYSTEM;
e1a2b7a3 1176 dev->ieee80211_ptr->iftype = type;
047eaaf6
AP		 1177 mwifiex_deauthenticate(priv, NULL);
1178 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1179 HostCmd_ACT_GEN_SET, 0, NULL,
1180 true);
1181 case NL80211_IFTYPE_P2P_CLIENT:
9197ab9e 1182 case NL80211_IFTYPE_P2P_GO:
047eaaf6 1183 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
818a986e 1184 type, params);
047eaaf6
AP		 1185 case NL80211_IFTYPE_AP:
1186 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
818a986e 1187 params);
4f02341a 1188 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1189 mwifiex_dbg(priv->adapter, INFO,
1190 "%s: kept type as STA\n", dev->name);
4f02341a
AP		 1191 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1192 return 0;
4f02341a 1193 default:
acebe8c1
ZL		 1194 mwifiex_dbg(priv->adapter, ERROR,
1195 "%s: changing to %d not supported\n",
1196 dev->name, type);
4f02341a
AP		 1197 return -EOPNOTSUPP;
1198 }
1199 break;
1200 case NL80211_IFTYPE_AP:
1201 switch (type) {
047eaaf6 1202 case NL80211_IFTYPE_ADHOC:
047eaaf6 1203 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
818a986e 1204 type, params);
047eaaf6
AP		 1205 break;
1206 case NL80211_IFTYPE_P2P_CLIENT:
1207 case NL80211_IFTYPE_P2P_GO:
1208 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
818a986e 1209 type, params);
4f02341a 1210 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1211 mwifiex_dbg(priv->adapter, INFO,
1212 "%s: kept type as AP\n", dev->name);
4f02341a
AP		 1213 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1214 return 0;
4f02341a 1215 default:
acebe8c1
ZL		 1216 mwifiex_dbg(priv->adapter, ERROR,
1217 "%s: changing to %d not supported\n",
1218 dev->name, type);
4f02341a
AP		 1219 return -EOPNOTSUPP;
1220 }
5e6e3a92 1221 break;
e1a2b7a3 1222 case NL80211_IFTYPE_P2P_CLIENT:
9197ab9e 1223 case NL80211_IFTYPE_P2P_GO:
e1a2b7a3
SP		 1224 switch (type) {
1225 case NL80211_IFTYPE_STATION:
e79801ff 1226 if (mwifiex_cfg80211_deinit_p2p(priv))
e1a2b7a3 1227 return -EFAULT;
e79801ff
AN		 1228 priv->adapter->curr_iface_comb.p2p_intf--;
1229 priv->adapter->curr_iface_comb.sta_intf++;
e1a2b7a3 1230 dev->ieee80211_ptr->iftype = type;
3d8bd85c
K		 1231 if (mwifiex_deinit_priv_params(priv))
1232 return -1;
1233 if (mwifiex_init_new_priv_params(priv, dev, type))
1234 return -1;
1235 if (mwifiex_sta_init_cmd(priv, false, false))
1236 return -1;
047eaaf6
AP		 1237 break;
1238 case NL80211_IFTYPE_ADHOC:
1239 if (mwifiex_cfg80211_deinit_p2p(priv))
1240 return -EFAULT;
1241 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
818a986e 1242 type, params);
047eaaf6
AP		 1243 break;
1244 case NL80211_IFTYPE_AP:
1245 if (mwifiex_cfg80211_deinit_p2p(priv))
1246 return -EFAULT;
1247 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
818a986e 1248 params);
047eaaf6 1249 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1250 mwifiex_dbg(priv->adapter, INFO,
1251 "%s: kept type as P2P\n", dev->name);
047eaaf6
AP		 1252 case NL80211_IFTYPE_P2P_CLIENT:
1253 case NL80211_IFTYPE_P2P_GO:
e1a2b7a3
SP		 1254 return 0;
1255 default:
acebe8c1
ZL		 1256 mwifiex_dbg(priv->adapter, ERROR,
1257 "%s: changing to %d not supported\n",
1258 dev->name, type);
e1a2b7a3
SP		 1259 return -EOPNOTSUPP;
1260 }
1261 break;
5e6e3a92 1262 default:
acebe8c1
ZL		 1263 mwifiex_dbg(priv->adapter, ERROR,
1264 "%s: unknown iftype: %d\n",
1265 dev->name, dev->ieee80211_ptr->iftype);
4f02341a 1266 return -EOPNOTSUPP;
5e6e3a92 1267 }
5e6e3a92 1268
eecd8250 1269
047eaaf6 1270 return 0;
5e6e3a92
BZ		 1271}
1272
a5f39056
YAP		 1273static void
1274mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
1275 struct rate_info *rate)
1276{
1277 struct mwifiex_adapter *adapter = priv->adapter;
1278
1279 if (adapter->is_hw_11ac_capable) {
1280 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1281 if (tx_htinfo & BIT(0)) {
1282 /* HT */
1283 rate->mcs = priv->tx_rate;
1284 rate->flags |= RATE_INFO_FLAGS_MCS;
1285 }
1286 if (tx_htinfo & BIT(1)) {
1287 /* VHT */
1288 rate->mcs = priv->tx_rate & 0x0F;
1289 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1290 }
1291
1292 if (tx_htinfo & (BIT(1) | BIT(0))) {
1293 /* HT or VHT */
1294 switch (tx_htinfo & (BIT(3) | BIT(2))) {
1295 case 0:
b51f3bee 1296 rate->bw = RATE_INFO_BW_20;
a5f39056
YAP		 1297 break;
1298 case (BIT(2)):
b51f3bee 1299 rate->bw = RATE_INFO_BW_40;
a5f39056
YAP		 1300 break;
1301 case (BIT(3)):
b51f3bee 1302 rate->bw = RATE_INFO_BW_80;
a5f39056
YAP		 1303 break;
1304 case (BIT(3) | BIT(2)):
b51f3bee 1305 rate->bw = RATE_INFO_BW_160;
a5f39056
YAP		 1306 break;
1307 }
1308
1309 if (tx_htinfo & BIT(4))
1310 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1311
1312 if ((priv->tx_rate >> 4) == 1)
1313 rate->nss = 2;
1314 else
1315 rate->nss = 1;
1316 }
1317 } else {
1318 /*
1319 * Bit 0 in tx_htinfo indicates that current Tx rate
1320 * is 11n rate. Valid MCS index values for us are 0 to 15.
1321 */
1322 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
1323 rate->mcs = priv->tx_rate;
1324 rate->flags |= RATE_INFO_FLAGS_MCS;
b51f3bee 1325 rate->bw = RATE_INFO_BW_20;
a5f39056 1326 if (tx_htinfo & BIT(1))
b51f3bee 1327 rate->bw = RATE_INFO_BW_40;
a5f39056
YAP		 1328 if (tx_htinfo & BIT(2))
1329 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1330 }
1331 }
1332}
1333
5e6e3a92
BZ		 1334/*
1335 * This function dumps the station information on a buffer.
1336 *
1337 * The following information are shown -
1338 * - Total bytes transmitted
1339 * - Total bytes received
1340 * - Total packets transmitted
1341 * - Total packets received
1342 * - Signal quality level
1343 * - Transmission rate
1344 */
1345static int
1346mwifiex_dump_station_info(struct mwifiex_private *priv,
8baca1a3 1347 struct mwifiex_sta_node *node,
5e6e3a92
BZ		 1348 struct station_info *sinfo)
1349{
006606c0 1350 u32 rate;
5e6e3a92 1351
319090bf
JB		 1352 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
1353 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
1354 BIT(NL80211_STA_INFO_TX_BITRATE) |
1355 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
5e6e3a92 1356
8baca1a3
XH		 1357 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1358 if (!node)
1359 return -ENOENT;
1360
1361 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
1362 BIT(NL80211_STA_INFO_TX_FAILED);
1363 sinfo->inactive_time =
1364 jiffies_to_msecs(jiffies - node->stats.last_rx);
1365
1366 sinfo->signal = node->stats.rssi;
1367 sinfo->signal_avg = node->stats.rssi;
1368 sinfo->rx_bytes = node->stats.rx_bytes;
1369 sinfo->tx_bytes = node->stats.tx_bytes;
1370 sinfo->rx_packets = node->stats.rx_packets;
1371 sinfo->tx_packets = node->stats.tx_packets;
1372 sinfo->tx_failed = node->stats.tx_failed;
1373
1374 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
1375 &sinfo->txrate);
1376 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1377
1378 return 0;
1379 }
1380
5e6e3a92 1381 /* Get signal information from the firmware */
fa0ecbb9
BZ		 1382 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1383 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
acebe8c1
ZL		 1384 mwifiex_dbg(priv->adapter, ERROR,
1385 "failed to get signal information\n");
958a4a86 1386 return -EFAULT;
5e6e3a92
BZ		 1387 }
1388
1389 if (mwifiex_drv_get_data_rate(priv, &rate)) {
acebe8c1
ZL		 1390 mwifiex_dbg(priv->adapter, ERROR,
1391 "getting data rate error\n");
958a4a86 1392 return -EFAULT;
5e6e3a92
BZ		 1393 }
1394
caf60a6c 1395 /* Get DTIM period information from firmware */
fa0ecbb9
BZ		 1396 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1397 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1398 &priv->dtim_period, true);
caf60a6c 1399
a5f39056 1400 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
4ec6f9c0 1401
7013d3e2 1402 sinfo->signal_avg = priv->bcn_rssi_avg;
5e6e3a92
BZ		 1403 sinfo->rx_bytes = priv->stats.rx_bytes;
1404 sinfo->tx_bytes = priv->stats.tx_bytes;
1405 sinfo->rx_packets = priv->stats.rx_packets;
1406 sinfo->tx_packets = priv->stats.tx_packets;
958a4a86 1407 sinfo->signal = priv->bcn_rssi_avg;
4ec6f9c0 1408 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
006606c0 1409 sinfo->txrate.legacy = rate * 5;
5e6e3a92 1410
c4f3b972 1411 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
319090bf 1412 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
c4f3b972
AK		 1413 sinfo->bss_param.flags = 0;
1414 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1415 WLAN_CAPABILITY_SHORT_PREAMBLE)
1416 sinfo->bss_param.flags |=
1417 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1418 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1419 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1420 sinfo->bss_param.flags |=
1421 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
caf60a6c 1422 sinfo->bss_param.dtim_period = priv->dtim_period;
c4f3b972
AK		 1423 sinfo->bss_param.beacon_interval =
1424 priv->curr_bss_params.bss_descriptor.beacon_period;
1425 }
1426
958a4a86 1427 return 0;
5e6e3a92
BZ		 1428}
1429
1430/*
1431 * CFG802.11 operation handler to get station information.
1432 *
1433 * This function only works in connected mode, and dumps the
1434 * requested station information, if available.
1435 */
1436static int
1437mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1438 const u8 *mac, struct station_info *sinfo)
5e6e3a92
BZ		 1439{
1440 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1441
5e6e3a92
BZ		 1442 if (!priv->media_connected)
1443 return -ENOENT;
1444 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1445 return -ENOENT;
1446
8baca1a3 1447 return mwifiex_dump_station_info(priv, NULL, sinfo);
5e6e3a92
BZ		 1448}
1449
f85aae6b
AK		 1450/*
1451 * CFG802.11 operation handler to dump station information.
1452 */
1453static int
1454mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1455 int idx, u8 *mac, struct station_info *sinfo)
1456{
1457 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
8baca1a3
XH		 1458 static struct mwifiex_sta_node *node;
1459
1460 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1461 priv->media_connected && idx == 0) {
1462 ether_addr_copy(mac, priv->cfg_bssid);
1463 return mwifiex_dump_station_info(priv, NULL, sinfo);
1464 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1465 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1466 HostCmd_ACT_GEN_GET, 0, NULL, true);
1467
1468 if (node && (&node->list == &priv->sta_list)) {
1469 node = NULL;
1470 return -ENOENT;
1471 }
f85aae6b 1472
8baca1a3
XH		 1473 node = list_prepare_entry(node, &priv->sta_list, list);
1474 list_for_each_entry_continue(node, &priv->sta_list, list) {
1475 ether_addr_copy(mac, node->mac_addr);
1476 return mwifiex_dump_station_info(priv, node, sinfo);
1477 }
1478 }
f85aae6b 1479
8baca1a3 1480 return -ENOENT;
f85aae6b
AK		 1481}
1482
6bc6c49f
XH		 1483static int
1484mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1485 int idx, struct survey_info *survey)
1486{
1487 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1488 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
57fbcce3 1489 enum nl80211_band band;
6bc6c49f 1490
acebe8c1 1491 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
6bc6c49f
XH		 1492
1493 memset(survey, 0, sizeof(struct survey_info));
1494
1495 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1496 priv->media_connected && idx == 0) {
1497 u8 curr_bss_band = priv->curr_bss_params.band;
1498 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1499
1500 band = mwifiex_band_to_radio_type(curr_bss_band);
1501 survey->channel = ieee80211_get_channel(wiphy,
1502 ieee80211_channel_to_frequency(chan, band));
1503
1504 if (priv->bcn_nf_last) {
1505 survey->filled = SURVEY_INFO_NOISE_DBM;
1506 survey->noise = priv->bcn_nf_last;
1507 }
1508 return 0;
1509 }
1510
1511 if (idx >= priv->adapter->num_in_chan_stats)
1512 return -ENOENT;
1513
1514 if (!pchan_stats[idx].cca_scan_dur)
1515 return 0;
1516
1517 band = pchan_stats[idx].bandcfg;
1518 survey->channel = ieee80211_get_channel(wiphy,
1519 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1520 survey->filled = SURVEY_INFO_NOISE_DBM |
4ed20beb
JB		 1521 SURVEY_INFO_TIME |
1522 SURVEY_INFO_TIME_BUSY;
6bc6c49f 1523 survey->noise = pchan_stats[idx].noise;
4ed20beb
JB		 1524 survey->time = pchan_stats[idx].cca_scan_dur;
1525 survey->time_busy = pchan_stats[idx].cca_busy_dur;
6bc6c49f
XH		 1526
1527 return 0;
1528}
1529
5e6e3a92 1530/* Supported rates to be advertised to the cfg80211 */
5e6e3a92
BZ		 1531static struct ieee80211_rate mwifiex_rates[] = {
1532 {.bitrate = 10, .hw_value = 2, },
1533 {.bitrate = 20, .hw_value = 4, },
1534 {.bitrate = 55, .hw_value = 11, },
1535 {.bitrate = 110, .hw_value = 22, },
5e6e3a92
BZ		 1536 {.bitrate = 60, .hw_value = 12, },
1537 {.bitrate = 90, .hw_value = 18, },
1538 {.bitrate = 120, .hw_value = 24, },
1539 {.bitrate = 180, .hw_value = 36, },
1540 {.bitrate = 240, .hw_value = 48, },
1541 {.bitrate = 360, .hw_value = 72, },
1542 {.bitrate = 480, .hw_value = 96, },
1543 {.bitrate = 540, .hw_value = 108, },
5e6e3a92
BZ		 1544};
1545
1546/* Channel definitions to be advertised to cfg80211 */
5e6e3a92
BZ		 1547static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1548 {.center_freq = 2412, .hw_value = 1, },
1549 {.center_freq = 2417, .hw_value = 2, },
1550 {.center_freq = 2422, .hw_value = 3, },
1551 {.center_freq = 2427, .hw_value = 4, },
1552 {.center_freq = 2432, .hw_value = 5, },
1553 {.center_freq = 2437, .hw_value = 6, },
1554 {.center_freq = 2442, .hw_value = 7, },
1555 {.center_freq = 2447, .hw_value = 8, },
1556 {.center_freq = 2452, .hw_value = 9, },
1557 {.center_freq = 2457, .hw_value = 10, },
1558 {.center_freq = 2462, .hw_value = 11, },
1559 {.center_freq = 2467, .hw_value = 12, },
1560 {.center_freq = 2472, .hw_value = 13, },
1561 {.center_freq = 2484, .hw_value = 14, },
1562};
1563
1564static struct ieee80211_supported_band mwifiex_band_2ghz = {
1565 .channels = mwifiex_channels_2ghz,
1566 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1567 .bitrates = mwifiex_rates,
8763848e 1568 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
5e6e3a92
BZ		 1569};
1570
1571static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1572 {.center_freq = 5040, .hw_value = 8, },
1573 {.center_freq = 5060, .hw_value = 12, },
1574 {.center_freq = 5080, .hw_value = 16, },
1575 {.center_freq = 5170, .hw_value = 34, },
1576 {.center_freq = 5190, .hw_value = 38, },
1577 {.center_freq = 5210, .hw_value = 42, },
1578 {.center_freq = 5230, .hw_value = 46, },
1579 {.center_freq = 5180, .hw_value = 36, },
1580 {.center_freq = 5200, .hw_value = 40, },
1581 {.center_freq = 5220, .hw_value = 44, },
1582 {.center_freq = 5240, .hw_value = 48, },
1583 {.center_freq = 5260, .hw_value = 52, },
1584 {.center_freq = 5280, .hw_value = 56, },
1585 {.center_freq = 5300, .hw_value = 60, },
1586 {.center_freq = 5320, .hw_value = 64, },
1587 {.center_freq = 5500, .hw_value = 100, },
1588 {.center_freq = 5520, .hw_value = 104, },
1589 {.center_freq = 5540, .hw_value = 108, },
1590 {.center_freq = 5560, .hw_value = 112, },
1591 {.center_freq = 5580, .hw_value = 116, },
1592 {.center_freq = 5600, .hw_value = 120, },
1593 {.center_freq = 5620, .hw_value = 124, },
1594 {.center_freq = 5640, .hw_value = 128, },
1595 {.center_freq = 5660, .hw_value = 132, },
1596 {.center_freq = 5680, .hw_value = 136, },
1597 {.center_freq = 5700, .hw_value = 140, },
1598 {.center_freq = 5745, .hw_value = 149, },
1599 {.center_freq = 5765, .hw_value = 153, },
1600 {.center_freq = 5785, .hw_value = 157, },
1601 {.center_freq = 5805, .hw_value = 161, },
1602 {.center_freq = 5825, .hw_value = 165, },
1603};
1604
1605static struct ieee80211_supported_band mwifiex_band_5ghz = {
1606 .channels = mwifiex_channels_5ghz,
1607 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
eb416ad3
AP		 1608 .bitrates = mwifiex_rates + 4,
1609 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
5e6e3a92
BZ		 1610};
1611
1612
1613/* Supported crypto cipher suits to be advertised to cfg80211 */
5e6e3a92
BZ		 1614static const u32 mwifiex_cipher_suites[] = {
1615 WLAN_CIPHER_SUITE_WEP40,
1616 WLAN_CIPHER_SUITE_WEP104,
1617 WLAN_CIPHER_SUITE_TKIP,
1618 WLAN_CIPHER_SUITE_CCMP,
5eab6777 1619 WLAN_CIPHER_SUITE_SMS4,
53b11231 1620 WLAN_CIPHER_SUITE_AES_CMAC,
5e6e3a92
BZ		 1621};
1622
83719be8
SP		 1623/* Supported mgmt frame types to be advertised to cfg80211 */
1624static const struct ieee80211_txrx_stypes
1625mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1626 [NL80211_IFTYPE_STATION] = {
1627 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1628 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1629 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1630 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1631 },
1632 [NL80211_IFTYPE_AP] = {
1633 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1634 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1635 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1636 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1637 },
1638 [NL80211_IFTYPE_P2P_CLIENT] = {
1639 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1640 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1641 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1642 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1643 },
1644 [NL80211_IFTYPE_P2P_GO] = {
1645 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1646 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1647 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1648 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1649 },
1650};
1651
5d82c53a
YAP		 1652/*
1653 * CFG802.11 operation handler for setting bit rates.
1654 *
433c3990
AK		 1655 * Function configures data rates to firmware using bitrate mask
1656 * provided by cfg80211.
5d82c53a
YAP		 1657 */
1658static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1659 struct net_device *dev,
1660 const u8 *peer,
1661 const struct cfg80211_bitrate_mask *mask)
1662{
5d82c53a 1663 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
433c3990 1664 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
57fbcce3 1665 enum nl80211_band band;
c44379e2 1666 struct mwifiex_adapter *adapter = priv->adapter;
5d82c53a 1667
433c3990 1668 if (!priv->media_connected) {
acebe8c1
ZL		 1669 mwifiex_dbg(adapter, ERROR,
1670 "Can not set Tx data rate in disconnected state\n");
433c3990 1671 return -EINVAL;
5d82c53a
YAP		 1672 }
1673
433c3990 1674 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5d82c53a 1675
433c3990 1676 memset(bitmap_rates, 0, sizeof(bitmap_rates));
5d82c53a 1677
433c3990 1678 /* Fill HR/DSSS rates. */
57fbcce3 1679 if (band == NL80211_BAND_2GHZ)
433c3990 1680 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
5d82c53a 1681
433c3990 1682 /* Fill OFDM rates */
57fbcce3 1683 if (band == NL80211_BAND_2GHZ)
433c3990
AK		 1684 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1685 else
1686 bitmap_rates[1] = mask->control[band].legacy;
1687
d1e33e65
JD		 1688 /* Fill HT MCS rates */
1689 bitmap_rates[2] = mask->control[band].ht_mcs[0];
c44379e2 1690 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
d1e33e65 1691 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
433c3990 1692
c44379e2
AK		 1693 /* Fill VHT MCS rates */
1694 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1695 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1696 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1697 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1698 }
1699
fa0ecbb9
BZ		 1700 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1701 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
5d82c53a
YAP		 1702}
1703
fa444bf8
AK		 1704/*
1705 * CFG802.11 operation handler for connection quality monitoring.
1706 *
1707 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1708 * events to FW.
1709 */
1710static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1711 struct net_device *dev,
1712 s32 rssi_thold, u32 rssi_hyst)
1713{
1714 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1715 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1716
1717 priv->cqm_rssi_thold = rssi_thold;
1718 priv->cqm_rssi_hyst = rssi_hyst;
1719
1720 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1721 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1722
1723 /* Subscribe/unsubscribe low and high rssi events */
1724 if (rssi_thold && rssi_hyst) {
1725 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1726 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1727 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1728 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1729 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
fa0ecbb9
BZ		 1730 return mwifiex_send_cmd(priv,
1731 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1732 0, 0, &subsc_evt, true);
fa444bf8
AK		 1733 } else {
1734 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
fa0ecbb9
BZ		 1735 return mwifiex_send_cmd(priv,
1736 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1737 0, 0, &subsc_evt, true);
fa444bf8
AK		 1738 }
1739
1740 return 0;
1741}
1742
5370c836
AP		 1743/* cfg80211 operation handler for change_beacon.
1744 * Function retrieves and sets modified management IEs to FW.
1745 */
1746static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1747 struct net_device *dev,
1748 struct cfg80211_beacon_data *data)
1749{
1750 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
dec277f7
XH		 1751 struct mwifiex_adapter *adapter = priv->adapter;
1752
1753 mwifiex_cancel_scan(adapter);
5370c836 1754
9197ab9e 1755 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
acebe8c1
ZL		 1756 mwifiex_dbg(priv->adapter, ERROR,
1757 "%s: bss_type mismatched\n", __func__);
5370c836
AP		 1758 return -EINVAL;
1759 }
1760
1761 if (!priv->bss_started) {
acebe8c1
ZL		 1762 mwifiex_dbg(priv->adapter, ERROR,
1763 "%s: bss not started\n", __func__);
5370c836
AP		 1764 return -EINVAL;
1765 }
1766
1767 if (mwifiex_set_mgmt_ies(priv, data)) {
acebe8c1
ZL		 1768 mwifiex_dbg(priv->adapter, ERROR,
1769 "%s: setting mgmt ies failed\n", __func__);
5370c836
AP		 1770 return -EFAULT;
1771 }
1772
1773 return 0;
1774}
1775
0f9e9b8b
AP		 1776/* cfg80211 operation handler for del_station.
1777 * Function deauthenticates station which value is provided in mac parameter.
1778 * If mac is NULL/broadcast, all stations in associated station list are
1779 * deauthenticated. If bss is not started or there are no stations in
1780 * associated stations list, no action is taken.
1781 */
1782static int
1783mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1784 struct station_del_parameters *params)
0f9e9b8b
AP		 1785{
1786 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1787 struct mwifiex_sta_node *sta_node;
fc99dd08 1788 u8 deauth_mac[ETH_ALEN];
0f9e9b8b
AP		 1789 unsigned long flags;
1790
abffd274
XH		 1791 if (!priv->bss_started && priv->wdev.cac_started) {
1792 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1793 mwifiex_abort_cac(priv);
1794 }
1795
0f9e9b8b
AP		 1796 if (list_empty(&priv->sta_list) || !priv->bss_started)
1797 return 0;
1798
fc99dd08
AP		 1799 if (!params->mac || is_broadcast_ether_addr(params->mac))
1800 return 0;
1801
acebe8c1
ZL		 1802 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1803 __func__, params->mac);
fc99dd08 1804
93803b33 1805 eth_zero_addr(deauth_mac);
fc99dd08
AP		 1806
1807 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1808 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1809 if (sta_node)
1810 ether_addr_copy(deauth_mac, params->mac);
1811 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1812
1813 if (is_valid_ether_addr(deauth_mac)) {
1814 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1815 HostCmd_ACT_GEN_SET, 0,
1816 deauth_mac, true))
1817 return -1;
0f9e9b8b
AP		 1818 }
1819
1820 return 0;
1821}
1822
8a279d5b
AK		 1823static int
1824mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1825{
1826 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1827 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1828 MWIFIEX_BSS_ROLE_ANY);
1829 struct mwifiex_ds_ant_cfg ant_cfg;
1830
1831 if (!tx_ant || !rx_ant)
1832 return -EOPNOTSUPP;
1833
1834 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1835 /* Not a MIMO chip. User should provide specific antenna number
1836 * for Tx/Rx path or enable all antennas for diversity
1837 */
1838 if (tx_ant != rx_ant)
1839 return -EOPNOTSUPP;
1840
1841 if ((tx_ant & (tx_ant - 1)) &&
1842 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1843 return -EOPNOTSUPP;
1844
1845 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1846 (priv->adapter->number_of_antenna > 1)) {
1847 tx_ant = RF_ANTENNA_AUTO;
1848 rx_ant = RF_ANTENNA_AUTO;
1849 }
a5333914
AK		 1850 } else {
1851 struct ieee80211_sta_ht_cap *ht_info;
1852 int rx_mcs_supp;
57fbcce3 1853 enum nl80211_band band;
a5333914
AK		 1854
1855 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1856 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1857 if (adapter->is_hw_11ac_capable)
1858 adapter->usr_dot_11ac_mcs_support =
1859 MWIFIEX_11AC_MCS_MAP_1X1;
1860 } else {
1861 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1862 if (adapter->is_hw_11ac_capable)
1863 adapter->usr_dot_11ac_mcs_support =
1864 MWIFIEX_11AC_MCS_MAP_2X2;
1865 }
1866
57fbcce3 1867 for (band = 0; band < NUM_NL80211_BANDS; band++) {
a5333914
AK		 1868 if (!adapter->wiphy->bands[band])
1869 continue;
1870
1871 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1872 rx_mcs_supp =
1873 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1874 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1875 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1876 }
8a279d5b
AK		 1877 }
1878
1879 ant_cfg.tx_ant = tx_ant;
1880 ant_cfg.rx_ant = rx_ant;
1881
fa0ecbb9
BZ		 1882 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1883 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
8a279d5b
AK		 1884}
1885
3ee71285
SL		 1886static int
1887mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1888{
1889 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1890 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1891 MWIFIEX_BSS_ROLE_ANY);
1892 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1893 HostCmd_ACT_GEN_GET, 0, NULL, true);
1894
1895 *tx_ant = priv->tx_ant;
1896 *rx_ant = priv->rx_ant;
1897
1898 return 0;
1899}
1900
12190c5d
AP		 1901/* cfg80211 operation handler for stop ap.
1902 * Function stops BSS running at uAP interface.
1903 */
1904static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1905{
1906 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1907
85afb186
AP		 1908 mwifiex_abort_cac(priv);
1909
40bbc21a 1910 if (mwifiex_del_mgmt_ies(priv))
acebe8c1
ZL		 1911 mwifiex_dbg(priv->adapter, ERROR,
1912 "Failed to delete mgmt IEs!\n");
40bbc21a 1913
c8258913 1914 priv->ap_11n_enabled = 0;
35c739b5 1915 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
c8258913 1916
fa0ecbb9
BZ		 1917 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1918 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
acebe8c1
ZL		 1919 mwifiex_dbg(priv->adapter, ERROR,
1920 "Failed to stop the BSS\n");
12190c5d
AP		 1921 return -1;
1922 }
1923
ed5cfbe6
AP		 1924 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1925 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1926 mwifiex_dbg(priv->adapter, ERROR,
1927 "Failed to reset BSS\n");
1928 return -1;
1929 }
1930
0117e78a
MF		 1931 if (netif_carrier_ok(priv->netdev))
1932 netif_carrier_off(priv->netdev);
1933 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1934
12190c5d
AP		 1935 return 0;
1936}
1937
1938/* cfg80211 operation handler for start_ap.
1939 * Function sets beacon period, DTIM period, SSID and security into
1940 * AP config structure.
1941 * AP is configured with these settings and BSS is started.
1942 */
1943static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1944 struct net_device *dev,
1945 struct cfg80211_ap_settings *params)
1946{
1947 struct mwifiex_uap_bss_param *bss_cfg;
1948 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1949
9197ab9e 1950 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
f752dcd5
AP		 1951 return -1;
1952
12190c5d
AP		 1953 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1954 if (!bss_cfg)
1955 return -ENOMEM;
1956
1957 mwifiex_set_sys_config_invalid_data(bss_cfg);
1958
1959 if (params->beacon_interval)
1960 bss_cfg->beacon_period = params->beacon_interval;
1961 if (params->dtim_period)
1962 bss_cfg->dtim_period = params->dtim_period;
1963
1964 if (params->ssid && params->ssid_len) {
1965 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1966 bss_cfg->ssid.ssid_len = params->ssid_len;
1967 }
b654ca18
AP		 1968 if (params->inactivity_timeout > 0) {
1969 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1970 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1971 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1972 }
12190c5d 1973
7a1c9934
AP		 1974 switch (params->hidden_ssid) {
1975 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1976 bss_cfg->bcast_ssid_ctl = 1;
1977 break;
1978 case NL80211_HIDDEN_SSID_ZERO_LEN:
1979 bss_cfg->bcast_ssid_ctl = 0;
1980 break;
1981 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1982 /* firmware doesn't support this type of hidden SSID */
1983 default:
b3190466 1984 kfree(bss_cfg);
7a1c9934
AP		 1985 return -EINVAL;
1986 }
1987
7ee38bf4 1988 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
a3c2c4f6 1989 mwifiex_set_uap_rates(bss_cfg, params);
05910f4a 1990
f752dcd5 1991 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
acebe8c1 1992 mwifiex_dbg(priv->adapter, ERROR,
3334c28e 1993 "Failed to parse security parameters!\n");
4028a514 1994 goto out;
f752dcd5
AP		 1995 }
1996
22281256 1997 mwifiex_set_ht_params(priv, bss_cfg, params);
83c78da9
YAP		 1998
1999 if (priv->adapter->is_hw_11ac_capable) {
2000 mwifiex_set_vht_params(priv, bss_cfg, params);
2001 mwifiex_set_vht_width(priv, params->chandef.width,
2002 priv->ap_11ac_enabled);
2003 }
2004
2b6254da
AP		 2005 if (priv->ap_11ac_enabled)
2006 mwifiex_set_11ac_ba_params(priv);
2007 else
2008 mwifiex_set_ba_params(priv);
2009
54428c57 2010 mwifiex_set_wmm_params(priv, bss_cfg, params);
22281256 2011
8a73dd63
AP		 2012 if (mwifiex_is_11h_active(priv))
2013 mwifiex_set_tpc_params(priv, bss_cfg, params);
2014
cf075eac
AP		 2015 if (mwifiex_is_11h_active(priv) &&
2016 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
2017 priv->bss_mode)) {
acebe8c1
ZL		 2018 mwifiex_dbg(priv->adapter, INFO,
2019 "Disable 11h extensions in FW\n");
cf075eac 2020 if (mwifiex_11h_activate(priv, false)) {
acebe8c1
ZL		 2021 mwifiex_dbg(priv->adapter, ERROR,
2022 "Failed to disable 11h extensions!!");
4028a514 2023 goto out;
cf075eac 2024 }
7b716625 2025 priv->state_11h.is_11h_active = false;
cf075eac
AP		 2026 }
2027
f18bbe5c
XH		 2028 mwifiex_config_uap_11d(priv, &params->beacon);
2029
b654ca18 2030 if (mwifiex_config_start_uap(priv, bss_cfg)) {
acebe8c1
ZL		 2031 mwifiex_dbg(priv->adapter, ERROR,
2032 "Failed to start AP\n");
4028a514 2033 goto out;
12190c5d
AP		 2034 }
2035
b0d4c5ec 2036 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
4028a514 2037 goto out;
0117e78a
MF		 2038
2039 if (!netif_carrier_ok(priv->netdev))
2040 netif_carrier_on(priv->netdev);
2041 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
b0d4c5ec 2042
35c739b5 2043 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
12190c5d 2044 kfree(bss_cfg);
12190c5d 2045 return 0;
4028a514
WY		 2046
2047out:
2048 kfree(bss_cfg);
2049 return -1;
12190c5d
AP		 2050}
2051
5e6e3a92
BZ		 2052/*
2053 * CFG802.11 operation handler for disconnection request.
2054 *
2055 * This function does not work when there is already a disconnection
2056 * procedure going on.
2057 */
2058static int
2059mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2060 u16 reason_code)
2061{
2062 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2063
0c9b7f22 2064 if (!mwifiex_stop_bg_scan(priv))
b34939b9 2065 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
0c9b7f22 2066
600f5d90 2067 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 2068 return -EFAULT;
2069
93803b33 2070 eth_zero_addr(priv->cfg_bssid);
587b36d3 2071 priv->hs2_enabled = false;
5e6e3a92
BZ		 2072
2073 return 0;
2074}
2075
2076/*
2077 * This function informs the CFG802.11 subsystem of a new IBSS.
2078 *
2079 * The following information are sent to the CFG802.11 subsystem
2080 * to register the new IBSS. If we do not register the new IBSS,
2081 * a kernel panic will result.
2082 * - SSID
2083 * - SSID length
2084 * - BSSID
2085 * - Channel
2086 */
2087static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2088{
5e6e3a92
BZ		 2089 struct ieee80211_channel *chan;
2090 struct mwifiex_bss_info bss_info;
aa95a48d 2091 struct cfg80211_bss *bss;
270e58e8 2092 int ie_len;
5e6e3a92 2093 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
57fbcce3 2094 enum nl80211_band band;
5e6e3a92 2095
636c4598
YAP		 2096 if (mwifiex_get_bss_info(priv, &bss_info))
2097 return -1;
5e6e3a92
BZ		 2098
2099 ie_buf[0] = WLAN_EID_SSID;
2100 ie_buf[1] = bss_info.ssid.ssid_len;
2101
2102 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
aea0701e 2103 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
5e6e3a92
BZ		 2104 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2105
4ed5d521 2106 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
543b921b 2107 chan = ieee80211_get_channel(priv->wdev.wiphy,
5e6e3a92 2108 ieee80211_channel_to_frequency(bss_info.bss_chan,
4ed5d521 2109 band));
5e6e3a92 2110
4facc34a 2111 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
5bc8c1f2 2112 CFG80211_BSS_FTYPE_UNKNOWN,
aea0701e
YAP		 2113 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2114 0, ie_buf, ie_len, 0, GFP_KERNEL);
02421dd3
XH		 2115 if (bss) {
2116 cfg80211_put_bss(priv->wdev.wiphy, bss);
2117 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2118 }
5e6e3a92 2119
636c4598 2120 return 0;
5e6e3a92
BZ		 2121}
2122
5e6e3a92
BZ		 2123/*
2124 * This function connects with a BSS.
2125 *
2126 * This function handles both Infra and Ad-Hoc modes. It also performs
2127 * validity checking on the provided parameters, disconnects from the
2128 * current BSS (if any), sets up the association/scan parameters,
2129 * including security settings, and performs specific SSID scan before
2130 * trying to connect.
2131 *
2132 * For Infra mode, the function returns failure if the specified SSID
2133 * is not found in scan table. However, for Ad-Hoc mode, it can create
2134 * the IBSS if it does not exist. On successful completion in either case,
7c6fa2a8 2135 * the function notifies the CFG802.11 subsystem of the new BSS connection.
5e6e3a92
BZ		 2136 */
2137static int
664834de
JM		 2138mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2139 const u8 *ssid, const u8 *bssid, int mode,
2140 struct ieee80211_channel *channel,
5e6e3a92
BZ		 2141 struct cfg80211_connect_params *sme, bool privacy)
2142{
b9be5f39 2143 struct cfg80211_ssid req_ssid;
270e58e8 2144 int ret, auth_type = 0;
7c6fa2a8 2145 struct cfg80211_bss *bss = NULL;
d7b9c520 2146 u8 is_scanning_required = 0;
5e6e3a92 2147
b9be5f39 2148 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
5e6e3a92
BZ		 2149
2150 req_ssid.ssid_len = ssid_len;
2151 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
acebe8c1 2152 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
5e6e3a92
BZ		 2153 return -EINVAL;
2154 }
2155
2156 memcpy(req_ssid.ssid, ssid, ssid_len);
2157 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
acebe8c1 2158 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
5e6e3a92
BZ		 2159 return -EINVAL;
2160 }
2161
6670f15b
AK		 2162 /* As this is new association, clear locally stored
2163 * keys and security related flags */
2164 priv->sec_info.wpa_enabled = false;
2165 priv->sec_info.wpa2_enabled = false;
2166 priv->wep_key_curr_index = 0;
00f157b4 2167 priv->sec_info.encryption_mode = 0;
a0f6d6ca 2168 priv->sec_info.is_authtype_auto = 0;
53b11231 2169 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
5e6e3a92 2170
eecd8250 2171 if (mode == NL80211_IFTYPE_ADHOC) {
e267e71e
K		 2172 u16 enable = true;
2173
2174 /* set ibss coalescing_status */
2175 ret = mwifiex_send_cmd(
2176 priv,
2177 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2178 HostCmd_ACT_GEN_SET, 0, &enable, true);
2179 if (ret)
2180 return ret;
2181
5e6e3a92
BZ		 2182 /* "privacy" is set only for ad-hoc mode */
2183 if (privacy) {
2184 /*
2be50b8d 2185 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
5e6e3a92
BZ		 2186 * the firmware can find a matching network from the
2187 * scan. The cfg80211 does not give us the encryption
2188 * mode at this stage so just setting it to WEP here.
2189 */
203afeca 2190 priv->sec_info.encryption_mode =
2be50b8d 2191 WLAN_CIPHER_SUITE_WEP104;
203afeca 2192 priv->sec_info.authentication_mode =
f986b6d5 2193 NL80211_AUTHTYPE_OPEN_SYSTEM;
5e6e3a92
BZ		 2194 }
2195
2196 goto done;
2197 }
2198
2199 /* Now handle infra mode. "sme" is valid for infra mode only */
a0f6d6ca 2200 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
f986b6d5 2201 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
a0f6d6ca
AK		 2202 priv->sec_info.is_authtype_auto = 1;
2203 } else {
2204 auth_type = sme->auth_type;
2205 }
5e6e3a92
BZ		 2206
2207 if (sme->crypto.n_ciphers_pairwise) {
2be50b8d
YAP		 2208 priv->sec_info.encryption_mode =
2209 sme->crypto.ciphers_pairwise[0];
203afeca 2210 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 2211 }
2212
2213 if (sme->crypto.cipher_group) {
2be50b8d 2214 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
203afeca 2215 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 2216 }
2217 if (sme->ie)
2218 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2219
2220 if (sme->key) {
e6faada5 2221 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
acebe8c1
ZL		 2222 mwifiex_dbg(priv->adapter, INFO,
2223 "info: setting wep encryption\t"
2224 "with key len %d\n", sme->key_len);
6670f15b 2225 priv->wep_key_curr_index = sme->key_idx;
53b11231
YL		 2226 ret = mwifiex_set_encode(priv, NULL, sme->key,
2227 sme->key_len, sme->key_idx,
2228 NULL, 0);
5e6e3a92
BZ		 2229 }
2230 }
2231done:
7c6fa2a8
AK		 2232 /*
2233 * Scan entries are valid for some time (15 sec). So we can save one
2234 * active scan time if we just try cfg80211_get_bss first. If it fails
2235 * then request scan and cfg80211_get_bss() again for final output.
2236 */
2237 while (1) {
2238 if (is_scanning_required) {
2239 /* Do specific SSID scanning */
2240 if (mwifiex_request_scan(priv, &req_ssid)) {
acebe8c1 2241 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
7c6fa2a8
AK		 2242 return -EFAULT;
2243 }
2244 }
5e6e3a92 2245
7c6fa2a8
AK		 2246 /* Find the BSS we want using available scan results */
2247 if (mode == NL80211_IFTYPE_ADHOC)
4facc34a 2248 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
7c6fa2a8 2249 bssid, ssid, ssid_len,
6eb18137
DL		 2250 IEEE80211_BSS_TYPE_IBSS,
2251 IEEE80211_PRIVACY_ANY);
7c6fa2a8 2252 else
4facc34a 2253 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
7c6fa2a8 2254 bssid, ssid, ssid_len,
6eb18137
DL		 2255 IEEE80211_BSS_TYPE_ESS,
2256 IEEE80211_PRIVACY_ANY);
7c6fa2a8
AK		 2257
2258 if (!bss) {
2259 if (is_scanning_required) {
acebe8c1
ZL		 2260 mwifiex_dbg(priv->adapter, WARN,
2261 "assoc: requested bss not found in scan results\n");
7c6fa2a8
AK		 2262 break;
2263 }
2264 is_scanning_required = 1;
2265 } else {
acebe8c1 2266 mwifiex_dbg(priv->adapter, MSG,
fcd2042e
BN		 2267 "info: trying to associate to '%.*s' bssid %pM\n",
2268 req_ssid.ssid_len, (char *)req_ssid.ssid,
2269 bss->bssid);
7c6fa2a8
AK		 2270 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2271 break;
2272 }
5e6e3a92
BZ		 2273 }
2274
06975884
AK		 2275 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2276 if (ret)
2277 return ret;
5e6e3a92 2278
eecd8250 2279 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 2280 /* Inform the BSS information to kernel, otherwise
2281 * kernel will give a panic after successful assoc */
2282 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2283 return -EFAULT;
2284 }
2285
2286 return ret;
2287}
2288
2289/*
2290 * CFG802.11 operation handler for association request.
2291 *
2292 * This function does not work when the current mode is set to Ad-Hoc, or
2293 * when there is already an association procedure going on. The given BSS
2294 * information is used to associate.
2295 */
2296static int
2297mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2298 struct cfg80211_connect_params *sme)
2299{
2300 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
e00483f7 2301 struct mwifiex_adapter *adapter = priv->adapter;
8bc77a4d 2302 int ret;
5e6e3a92 2303
953b3539 2304 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
acebe8c1
ZL		 2305 mwifiex_dbg(adapter, ERROR,
2306 "%s: reject infra assoc request in non-STA role\n",
2307 dev->name);
8bc77a4d 2308 return -EINVAL;
e568634a
AP		 2309 }
2310
4facc34a 2311 if (priv->wdev.current_bss) {
acebe8c1
ZL		 2312 mwifiex_dbg(adapter, ERROR,
2313 "%s: already connected\n", dev->name);
71954f24
UR		 2314 return -EALREADY;
2315 }
2316
b74d6e74
AK		 2317 if (priv->scan_block)
2318 priv->scan_block = false;
2319
e00483f7 2320 if (adapter->surprise_removed || adapter->is_cmd_timedout) {
acebe8c1
ZL		 2321 mwifiex_dbg(adapter, ERROR,
2322 "%s: Ignore connection.\t"
2323 "Card removed or FW in bad state\n",
2324 dev->name);
e00483f7
AK		 2325 return -EFAULT;
2326 }
2327
acebe8c1 2328 mwifiex_dbg(adapter, INFO,
fcd2042e
BN		 2329 "info: Trying to associate to %.*s and bssid %pM\n",
2330 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
5e6e3a92 2331
0c9b7f22 2332 if (!mwifiex_stop_bg_scan(priv))
b34939b9 2333 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
0c9b7f22 2334
5e6e3a92 2335 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
eecd8250 2336 priv->bss_mode, sme->channel, sme, 0);
38c9d664
AK		 2337 if (!ret) {
2338 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2339 NULL, 0, WLAN_STATUS_SUCCESS,
2340 GFP_KERNEL);
acebe8c1
ZL		 2341 mwifiex_dbg(priv->adapter, MSG,
2342 "info: associated to bssid %pM successfully\n",
2343 priv->cfg_bssid);
9927baa3
AP		 2344 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2345 priv->adapter->auto_tdls &&
2346 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2347 mwifiex_setup_auto_tdls_timer(priv);
38c9d664 2348 } else {
acebe8c1
ZL		 2349 mwifiex_dbg(priv->adapter, ERROR,
2350 "info: association to bssid %pM failed\n",
2351 priv->cfg_bssid);
93803b33 2352 eth_zero_addr(priv->cfg_bssid);
06975884
AK		 2353
2354 if (ret > 0)
2355 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2356 NULL, 0, NULL, 0, ret,
2357 GFP_KERNEL);
2358 else
2359 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2360 NULL, 0, NULL, 0,
2361 WLAN_STATUS_UNSPECIFIED_FAILURE,
2362 GFP_KERNEL);
38c9d664
AK		 2363 }
2364
06975884 2365 return 0;
5e6e3a92
BZ		 2366}
2367
05910f4a
AK		 2368/*
2369 * This function sets following parameters for ibss network.
2370 * - channel
2371 * - start band
2372 * - 11n flag
2373 * - secondary channel offset
2374 */
2375static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2376 struct cfg80211_ibss_params *params)
2377{
05910f4a
AK		 2378 struct mwifiex_adapter *adapter = priv->adapter;
2379 int index = 0, i;
2380 u8 config_bands = 0;
2381
57fbcce3 2382 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
05910f4a
AK		 2383 if (!params->basic_rates) {
2384 config_bands = BAND_B | BAND_G;
2385 } else {
2386 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2387 /*
2388 * Rates below 6 Mbps in the table are CCK
2389 * rates; 802.11b and from 6 they are OFDM;
2390 * 802.11G
2391 */
2392 if (mwifiex_rates[i].bitrate == 60) {
2393 index = 1 << i;
2394 break;
2395 }
2396 }
2397
2398 if (params->basic_rates < index) {
2399 config_bands = BAND_B;
2400 } else {
2401 config_bands = BAND_G;
2402 if (params->basic_rates % index)
2403 config_bands |= BAND_B;
2404 }
2405 }
2406
683b6d3b
JB		 2407 if (cfg80211_get_chandef_type(&params->chandef) !=
2408 NL80211_CHAN_NO_HT)
3b86acb8 2409 config_bands |= BAND_G | BAND_GN;
05910f4a 2410 } else {
c3ff0b2d 2411 if (cfg80211_get_chandef_type(&params->chandef) ==
683b6d3b 2412 NL80211_CHAN_NO_HT)
05910f4a
AK		 2413 config_bands = BAND_A;
2414 else
2415 config_bands = BAND_AN | BAND_A;
2416 }
2417
2418 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2419 adapter->config_bands = config_bands;
2420 adapter->adhoc_start_band = config_bands;
2421
2422 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2423 adapter->adhoc_11n_enabled = true;
2424 else
2425 adapter->adhoc_11n_enabled = false;
2426 }
2427
2428 adapter->sec_chan_offset =
683b6d3b
JB		 2429 mwifiex_chan_type_to_sec_chan_offset(
2430 cfg80211_get_chandef_type(&params->chandef));
2431 priv->adhoc_channel = ieee80211_frequency_to_channel(
2432 params->chandef.chan->center_freq);
05910f4a 2433
acebe8c1
ZL		 2434 mwifiex_dbg(adapter, INFO,
2435 "info: set ibss band %d, chan %d, chan offset %d\n",
2436 config_bands, priv->adhoc_channel,
2437 adapter->sec_chan_offset);
05910f4a
AK		 2438
2439 return 0;
2440}
2441
5e6e3a92
BZ		 2442/*
2443 * CFG802.11 operation handler to join an IBSS.
2444 *
2445 * This function does not work in any mode other than Ad-Hoc, or if
2446 * a join operation is already in progress.
2447 */
2448static int
2449mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2450 struct cfg80211_ibss_params *params)
2451{
f540f9f3 2452 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 2453 int ret = 0;
5e6e3a92 2454
eecd8250 2455 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
acebe8c1
ZL		 2456 mwifiex_dbg(priv->adapter, ERROR,
2457 "request to join ibss received\t"
2458 "when station is not in ibss mode\n");
5e6e3a92
BZ		 2459 goto done;
2460 }
2461
acebe8c1 2462 mwifiex_dbg(priv->adapter, MSG,
fcd2042e
BN		 2463 "info: trying to join to %.*s and bssid %pM\n",
2464 params->ssid_len, (char *)params->ssid, params->bssid);
5e6e3a92 2465
05910f4a
AK		 2466 mwifiex_set_ibss_params(priv, params);
2467
5e6e3a92 2468 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
aea0701e 2469 params->bssid, priv->bss_mode,
683b6d3b
JB		 2470 params->chandef.chan, NULL,
2471 params->privacy);
5e6e3a92 2472done:
38c9d664 2473 if (!ret) {
fe94f3a4
AQ		 2474 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2475 params->chandef.chan, GFP_KERNEL);
acebe8c1
ZL		 2476 mwifiex_dbg(priv->adapter, MSG,
2477 "info: joined/created adhoc network with bssid\t"
2478 "%pM successfully\n", priv->cfg_bssid);
38c9d664 2479 } else {
acebe8c1
ZL		 2480 mwifiex_dbg(priv->adapter, ERROR,
2481 "info: failed creating/joining adhoc network\n");
38c9d664
AK		 2482 }
2483
5e6e3a92
BZ		 2484 return ret;
2485}
2486
2487/*
2488 * CFG802.11 operation handler to leave an IBSS.
2489 *
2490 * This function does not work if a leave operation is
2491 * already in progress.
2492 */
2493static int
2494mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2495{
f540f9f3 2496 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 2497
acebe8c1
ZL		 2498 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2499 priv->cfg_bssid);
600f5d90 2500 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 2501 return -EFAULT;
2502
93803b33 2503 eth_zero_addr(priv->cfg_bssid);
5e6e3a92
BZ		 2504
2505 return 0;
2506}
2507
2508/*
2509 * CFG802.11 operation handler for scan request.
2510 *
2511 * This function issues a scan request to the firmware based upon
a484804b 2512 * the user specified scan configuration. On successful completion,
5e6e3a92
BZ		 2513 * it also informs the results.
2514 */
2515static int
fd014284 2516mwifiex_cfg80211_scan(struct wiphy *wiphy,
5e6e3a92
BZ		 2517 struct cfg80211_scan_request *request)
2518{
fd014284 2519 struct net_device *dev = request->wdev->netdev;
5e6e3a92 2520 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
c2476335 2521 int i, offset, ret;
38c9d664 2522 struct ieee80211_channel *chan;
ea021f56 2523 struct ieee_types_header *ie;
75ab753d 2524 struct mwifiex_user_scan_cfg *user_scan_cfg;
e9a3846a 2525 u8 mac_addr[ETH_ALEN];
5e6e3a92 2526
acebe8c1
ZL		 2527 mwifiex_dbg(priv->adapter, CMD,
2528 "info: received scan request on %s\n", dev->name);
5e6e3a92 2529
75ab753d
AK		 2530 /* Block scan request if scan operation or scan cleanup when interface
2531 * is disabled is in process
2532 */
2533 if (priv->scan_request || priv->scan_aborting) {
acebe8c1
ZL		 2534 mwifiex_dbg(priv->adapter, WARN,
2535 "cmd: Scan already in process..\n");
f162cac8
AK		 2536 return -EBUSY;
2537 }
2538
b74d6e74
AK		 2539 if (!priv->wdev.current_bss && priv->scan_block)
2540 priv->scan_block = false;
2541
0c9b7f22 2542 if (!mwifiex_stop_bg_scan(priv))
b34939b9 2543 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
0c9b7f22 2544
75ab753d
AK		 2545 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2546 if (!user_scan_cfg)
38c9d664 2547 return -ENOMEM;
be0b281e 2548
6fcf2b10
BZ		 2549 priv->scan_request = request;
2550
c2a8f0ff 2551 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
e9a3846a
GB		 2552 get_random_mask_addr(mac_addr, request->mac_addr,
2553 request->mac_addr_mask);
2554 ether_addr_copy(request->mac_addr, mac_addr);
2555 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
c2a8f0ff
GB		 2556 }
2557
75ab753d
AK		 2558 user_scan_cfg->num_ssids = request->n_ssids;
2559 user_scan_cfg->ssid_list = request->ssids;
be0b281e 2560
13d7ba78 2561 if (request->ie && request->ie_len) {
ea021f56 2562 offset = 0;
13d7ba78
AP		 2563 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2564 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2565 continue;
2566 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
ea021f56
SP		 2567 ie = (struct ieee_types_header *)(request->ie + offset);
2568 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2569 offset += sizeof(*ie) + ie->len;
2570
2571 if (offset >= request->ie_len)
2572 break;
13d7ba78
AP		 2573 }
2574 }
2575
901ceba4
SP		 2576 for (i = 0; i < min_t(u32, request->n_channels,
2577 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
38c9d664 2578 chan = request->channels[i];
75ab753d
AK		 2579 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2580 user_scan_cfg->chan_list[i].radio_type = chan->band;
38c9d664 2581
a9c1c89e 2582 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
75ab753d 2583 user_scan_cfg->chan_list[i].scan_type =
aea0701e 2584 MWIFIEX_SCAN_TYPE_PASSIVE;
38c9d664 2585 else
75ab753d 2586 user_scan_cfg->chan_list[i].scan_type =
aea0701e 2587 MWIFIEX_SCAN_TYPE_ACTIVE;
38c9d664 2588
75ab753d 2589 user_scan_cfg->chan_list[i].scan_time = 0;
38c9d664 2590 }
c2476335 2591
cb91be87
AP		 2592 if (priv->adapter->scan_chan_gap_enabled &&
2593 mwifiex_is_any_intf_active(priv))
2594 user_scan_cfg->scan_chan_gap =
2595 priv->adapter->scan_chan_gap_time;
2596
75ab753d
AK		 2597 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2598 kfree(user_scan_cfg);
c2476335 2599 if (ret) {
acebe8c1
ZL		 2600 mwifiex_dbg(priv->adapter, ERROR,
2601 "scan failed: %d\n", ret);
75ab753d 2602 priv->scan_aborting = false;
6fcf2b10 2603 priv->scan_request = NULL;
c2476335
BZ		 2604 return ret;
2605 }
38c9d664 2606
13d7ba78
AP		 2607 if (request->ie && request->ie_len) {
2608 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2609 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2610 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2611 memset(&priv->vs_ie[i].ie, 0,
2612 MWIFIEX_MAX_VSIE_LEN);
2613 }
2614 }
2615 }
5e6e3a92
BZ		 2616 return 0;
2617}
2618
0c9b7f22
XH		 2619/* CFG802.11 operation handler for sched_scan_start.
2620 *
2621 * This function issues a bgscan config request to the firmware based upon
2622 * the user specified sched_scan configuration. On successful completion,
2623 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2624 * query command to get sched_scan results from firmware.
2625 */
2626static int
2627mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2628 struct net_device *dev,
2629 struct cfg80211_sched_scan_request *request)
2630{
2631 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2632 int i, offset;
2633 struct ieee80211_channel *chan;
2634 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2635 struct ieee_types_header *ie;
2636
2637 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2638 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2639 __func__);
2640 return -EINVAL;
2641 }
2642
2643 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2644 request->n_ssids, request->n_match_sets);
2645 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2646 request->n_channels, request->scan_plans->interval,
2647 (int)request->ie_len);
2648
2649 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2650 if (!bgscan_cfg)
2651 return -ENOMEM;
2652
2653 if (priv->scan_request || priv->scan_aborting)
2654 bgscan_cfg->start_later = true;
2655
2656 bgscan_cfg->num_ssids = request->n_match_sets;
2657 bgscan_cfg->ssid_list = request->match_sets;
2658
2659 if (request->ie && request->ie_len) {
2660 offset = 0;
2661 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2662 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2663 continue;
2664 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2665 ie = (struct ieee_types_header *)(request->ie + offset);
2666 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2667 offset += sizeof(*ie) + ie->len;
2668
2669 if (offset >= request->ie_len)
2670 break;
2671 }
2672 }
2673
2674 for (i = 0; i < min_t(u32, request->n_channels,
2675 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2676 chan = request->channels[i];
2677 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2678 bgscan_cfg->chan_list[i].radio_type = chan->band;
2679
2680 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2681 bgscan_cfg->chan_list[i].scan_type =
2682 MWIFIEX_SCAN_TYPE_PASSIVE;
2683 else
2684 bgscan_cfg->chan_list[i].scan_type =
2685 MWIFIEX_SCAN_TYPE_ACTIVE;
2686
2687 bgscan_cfg->chan_list[i].scan_time = 0;
2688 }
2689
2690 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2691 MWIFIEX_BG_SCAN_CHAN_MAX);
2692
2693 /* Use at least 15 second for per scan cycle */
2694 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2695 MWIFIEX_BGSCAN_INTERVAL) ?
2696 request->scan_plans->interval :
2697 MWIFIEX_BGSCAN_INTERVAL;
2698
2699 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2700 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2701 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2702 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2703 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2704 bgscan_cfg->enable = true;
fdcab083
GB		 2705 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2706 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2707 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2708 }
0c9b7f22
XH		 2709
2710 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2711 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2712 kfree(bgscan_cfg);
2713 return -EFAULT;
2714 }
2715
2716 priv->sched_scanning = true;
2717
2718 kfree(bgscan_cfg);
2719 return 0;
2720}
2721
2722/* CFG802.11 operation handler for sched_scan_stop.
2723 *
2724 * This function issues a bgscan config command to disable
2725 * previous bgscan configuration in the firmware
2726 */
2727static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3a3ecf1d 2728 struct net_device *dev, u64 reqid)
0c9b7f22
XH		 2729{
2730 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2731
2732 wiphy_info(wiphy, "sched scan stop!");
2733 mwifiex_stop_bg_scan(priv);
2734
2735 return 0;
2736}
2737
a5f39056
YAP		 2738static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2739 struct mwifiex_private *priv)
2740{
2741 struct mwifiex_adapter *adapter = priv->adapter;
a5f39056
YAP		 2742
2743 vht_info->vht_supported = true;
2744
43283feb 2745 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
a5f39056
YAP		 2746 /* Update MCS support for VHT */
2747 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2748 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2749 vht_info->vht_mcs.rx_highest = 0;
2750 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2751 adapter->hw_dot_11ac_mcs_support >> 16);
2752 vht_info->vht_mcs.tx_highest = 0;
2753}
2754
5e6e3a92
BZ		 2755/*
2756 * This function sets up the CFG802.11 specific HT capability fields
2757 * with default values.
2758 *
2759 * The following default values are set -
2760 * - HT Supported = True
a46b7b5c
AK		 2761 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2762 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2763 * - HT Capabilities supported by firmware
5e6e3a92
BZ		 2764 * - MCS information, Rx mask = 0xff
2765 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2766 */
2767static void
2768mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2769 struct mwifiex_private *priv)
2770{
2771 int rx_mcs_supp;
2772 struct ieee80211_mcs_info mcs_set;
2773 u8 *mcs = (u8 *)&mcs_set;
2774 struct mwifiex_adapter *adapter = priv->adapter;
2775
2776 ht_info->ht_supported = true;
a46b7b5c
AK		 2777 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2778 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
5e6e3a92
BZ		 2779
2780 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
5e6e3a92 2781
a46b7b5c
AK		 2782 /* Fill HT capability information */
2783 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2784 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2785 else
2786 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2787
2788 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2789 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2790 else
2791 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2792
2793 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2794 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2795 else
2796 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2797
474a41e9 2798 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
ae1799a1 2799 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
a46b7b5c 2800 else
474a41e9 2801 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
a46b7b5c
AK		 2802
2803 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2804 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2805 else
2806 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2807
dd0d83c2
AP		 2808 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2809 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2810 else
2811 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2812
2813 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2814 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2815 else
2816 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2817
2818 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2819 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2820 else
2821 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2822
a46b7b5c
AK		 2823 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2824 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2825
a5333914
AK		 2826 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2827 /* Set MCS for 1x1/2x2 */
5e6e3a92
BZ		 2828 memset(mcs, 0xff, rx_mcs_supp);
2829 /* Clear all the other values */
2830 memset(&mcs[rx_mcs_supp], 0,
aea0701e 2831 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
eecd8250 2832 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
aea0701e 2833 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
5e6e3a92
BZ		 2834 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2835 SETHT_MCS32(mcs_set.rx_mask);
2836
2837 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2838
2839 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2840}
2841
93a1df48 2842/*
6bab2e19 2843 * create a new virtual interface with the given name and name assign type
93a1df48 2844 */
84efbb84 2845struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
552bff0c 2846 const char *name,
6bab2e19 2847 unsigned char name_assign_type,
84efbb84 2848 enum nl80211_iftype type,
84efbb84 2849 struct vif_params *params)
93a1df48 2850{
67fdf39e
AP		 2851 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2852 struct mwifiex_private *priv;
93a1df48
YAP		 2853 struct net_device *dev;
2854 void *mdev_priv;
7311ea85 2855 int ret;
93a1df48 2856
93a1df48 2857 if (!adapter)
858faa57 2858 return ERR_PTR(-EFAULT);
93a1df48
YAP		 2859
2860 switch (type) {
2861 case NL80211_IFTYPE_UNSPECIFIED:
2862 case NL80211_IFTYPE_STATION:
2863 case NL80211_IFTYPE_ADHOC:
cf052335
AP		 2864 if (adapter->curr_iface_comb.sta_intf ==
2865 adapter->iface_limit.sta_intf) {
acebe8c1
ZL		 2866 mwifiex_dbg(adapter, ERROR,
2867 "cannot create multiple sta/adhoc ifaces\n");
858faa57 2868 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2869 }
2870
5b13d3e1
SL		 2871 priv = mwifiex_get_unused_priv_by_bss_type(
2872 adapter, MWIFIEX_BSS_TYPE_STA);
cf052335 2873 if (!priv) {
acebe8c1
ZL		 2874 mwifiex_dbg(adapter, ERROR,
2875 "could not get free private struct\n");
cf052335
AP		 2876 return ERR_PTR(-EFAULT);
2877 }
2878
4facc34a
AP		 2879 priv->wdev.wiphy = wiphy;
2880 priv->wdev.iftype = NL80211_IFTYPE_STATION;
d6bffe8b 2881
93a1df48
YAP		 2882 if (type == NL80211_IFTYPE_UNSPECIFIED)
2883 priv->bss_mode = NL80211_IFTYPE_STATION;
2884 else
2885 priv->bss_mode = type;
2886
2887 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2888 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2889 priv->bss_priority = 0;
93a1df48 2890 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
93a1df48 2891
d6bffe8b
AP		 2892 break;
2893 case NL80211_IFTYPE_AP:
cf052335
AP		 2894 if (adapter->curr_iface_comb.uap_intf ==
2895 adapter->iface_limit.uap_intf) {
acebe8c1
ZL		 2896 mwifiex_dbg(adapter, ERROR,
2897 "cannot create multiple AP ifaces\n");
858faa57 2898 return ERR_PTR(-EINVAL);
d6bffe8b
AP		 2899 }
2900
5b13d3e1
SL		 2901 priv = mwifiex_get_unused_priv_by_bss_type(
2902 adapter, MWIFIEX_BSS_TYPE_UAP);
cf052335 2903 if (!priv) {
acebe8c1
ZL		 2904 mwifiex_dbg(adapter, ERROR,
2905 "could not get free private struct\n");
cf052335
AP		 2906 return ERR_PTR(-EFAULT);
2907 }
2908
4facc34a
AP		 2909 priv->wdev.wiphy = wiphy;
2910 priv->wdev.iftype = NL80211_IFTYPE_AP;
d6bffe8b
AP		 2911
2912 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2913 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2914 priv->bss_priority = 0;
d6bffe8b
AP		 2915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2916 priv->bss_started = 0;
d6bffe8b
AP		 2917 priv->bss_mode = type;
2918
197f4a2e
SP		 2919 break;
2920 case NL80211_IFTYPE_P2P_CLIENT:
cf052335
AP		 2921 if (adapter->curr_iface_comb.p2p_intf ==
2922 adapter->iface_limit.p2p_intf) {
acebe8c1
ZL		 2923 mwifiex_dbg(adapter, ERROR,
2924 "cannot create multiple P2P ifaces\n");
197f4a2e
SP		 2925 return ERR_PTR(-EINVAL);
2926 }
2927
5b13d3e1
SL		 2928 priv = mwifiex_get_unused_priv_by_bss_type(
2929 adapter, MWIFIEX_BSS_TYPE_P2P);
cf052335 2930 if (!priv) {
acebe8c1
ZL		 2931 mwifiex_dbg(adapter, ERROR,
2932 "could not get free private struct\n");
cf052335
AP		 2933 return ERR_PTR(-EFAULT);
2934 }
197f4a2e 2935
cf052335 2936 priv->wdev.wiphy = wiphy;
197f4a2e
SP		 2937 /* At start-up, wpa_supplicant tries to change the interface
2938 * to NL80211_IFTYPE_STATION if it is not managed mode.
197f4a2e 2939 */
4facc34a 2940 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
5586d3e2 2941 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
197f4a2e
SP		 2942
2943 /* Setting bss_type to P2P tells firmware that this interface
2944 * is receiving P2P peers found during find phase and doing
2945 * action frame handshake.
2946 */
2947 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2948
2949 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2950 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2951 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2952 priv->bss_started = 0;
197f4a2e 2953
bec568ff 2954 if (mwifiex_cfg80211_init_p2p_client(priv)) {
4facc34a
AP		 2955 memset(&priv->wdev, 0, sizeof(priv->wdev));
2956 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2957 return ERR_PTR(-EFAULT);
bec568ff 2958 }
66aa1ae2 2959
93a1df48
YAP		 2960 break;
2961 default:
acebe8c1 2962 mwifiex_dbg(adapter, ERROR, "type not supported\n");
858faa57 2963 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2964 }
2965
47411a06 2966 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
6bab2e19 2967 name_assign_type, ether_setup,
c835a677 2968 IEEE80211_NUM_ACS, 1);
93a1df48 2969 if (!dev) {
acebe8c1
ZL		 2970 mwifiex_dbg(adapter, ERROR,
2971 "no memory available for netdevice\n");
8535107a
BN		 2972 ret = -ENOMEM;
2973 goto err_alloc_netdev;
93a1df48
YAP		 2974 }
2975
d6bffe8b 2976 mwifiex_init_priv_params(priv, dev);
4ba28f93 2977
d6bffe8b
AP		 2978 priv->netdev = dev;
2979
26177d7f
GB		 2980 if (!adapter->mfg_mode) {
2981 mwifiex_set_mac_address(priv, dev);
7311ea85 2982
26177d7f
GB		 2983 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
2984 HostCmd_ACT_GEN_SET, 0, NULL, true);
2985 if (ret)
2986 goto err_set_bss_mode;
2987
2988 ret = mwifiex_sta_init_cmd(priv, false, false);
2989 if (ret)
2990 goto err_sta_init;
2991 }
7311ea85 2992
57fbcce3 2993 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
a5f39056
YAP		 2994 if (adapter->is_hw_11ac_capable)
2995 mwifiex_setup_vht_caps(
57fbcce3 2996 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
d6bffe8b
AP		 2997
2998 if (adapter->config_bands & BAND_A)
2999 mwifiex_setup_ht_caps(
57fbcce3 3000 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
d6bffe8b 3001
a5f39056
YAP		 3002 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3003 mwifiex_setup_vht_caps(
57fbcce3 3004 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
a5f39056 3005
93a1df48 3006 dev_net_set(dev, wiphy_net(wiphy));
4facc34a 3007 dev->ieee80211_ptr = &priv->wdev;
93a1df48 3008 dev->ieee80211_ptr->iftype = priv->bss_mode;
93a1df48
YAP		 3009 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3010
3011 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3012 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3013 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
0d7f53e3 3014 dev->ethtool_ops = &mwifiex_ethtool_ops;
93a1df48
YAP		 3015
3016 mdev_priv = netdev_priv(dev);
3017 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3018
93a1df48
YAP		 3019 SET_NETDEV_DEV(dev, adapter->dev);
3020
ffdcad05 3021 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
85afb186
AP		 3022 WQ_HIGHPRI |
3023 WQ_MEM_RECLAIM |
ffdcad05 3024 WQ_UNBOUND, 1, name);
85afb186 3025 if (!priv->dfs_cac_workqueue) {
8535107a
BN		 3026 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3027 ret = -ENOMEM;
3028 goto err_alloc_cac;
85afb186
AP		 3029 }
3030
3031 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3032
ffdcad05 3033 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
7d652034 3034 WQ_HIGHPRI | WQ_UNBOUND |
ffdcad05 3035 WQ_MEM_RECLAIM, 1, name);
7d652034 3036 if (!priv->dfs_chan_sw_workqueue) {
8535107a
BN		 3037 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3038 ret = -ENOMEM;
3039 goto err_alloc_chsw;
7d652034
AP		 3040 }
3041
3042 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3043 mwifiex_dfs_chan_sw_work_queue);
3044
1abf9ae7 3045 mutex_init(&priv->async_mutex);
93a1df48 3046
8535107a
BN		 3047 /* Register network device */
3048 if (register_netdevice(dev)) {
3049 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3050 ret = -EFAULT;
3051 goto err_reg_netdev;
3052 }
3053
acebe8c1
ZL		 3054 mwifiex_dbg(adapter, INFO,
3055 "info: %s: Marvell 802.11 Adapter\n", dev->name);
93a1df48
YAP		 3056
3057#ifdef CONFIG_DEBUG_FS
3058 mwifiex_dev_debugfs_init(priv);
3059#endif
bec568ff 3060
cf052335
AP		 3061 switch (type) {
3062 case NL80211_IFTYPE_UNSPECIFIED:
3063 case NL80211_IFTYPE_STATION:
3064 case NL80211_IFTYPE_ADHOC:
3065 adapter->curr_iface_comb.sta_intf++;
3066 break;
3067 case NL80211_IFTYPE_AP:
3068 adapter->curr_iface_comb.uap_intf++;
3069 break;
3070 case NL80211_IFTYPE_P2P_CLIENT:
3071 adapter->curr_iface_comb.p2p_intf++;
3072 break;
3073 default:
8535107a 3074 /* This should be dead code; checked above */
acebe8c1 3075 mwifiex_dbg(adapter, ERROR, "type not supported\n");
cf052335
AP		 3076 return ERR_PTR(-EINVAL);
3077 }
3078
4facc34a 3079 return &priv->wdev;
8535107a
BN		 3080
3081err_reg_netdev:
3082 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3083 priv->dfs_chan_sw_workqueue = NULL;
3084err_alloc_chsw:
3085 destroy_workqueue(priv->dfs_cac_workqueue);
3086 priv->dfs_cac_workqueue = NULL;
3087err_alloc_cac:
3088 free_netdev(dev);
3089 priv->netdev = NULL;
3090err_sta_init:
3091err_set_bss_mode:
3092err_alloc_netdev:
3093 memset(&priv->wdev, 0, sizeof(priv->wdev));
3094 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3095 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3096 return ERR_PTR(ret);
93a1df48
YAP		 3097}
3098EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3099
3100/*
3101 * del_virtual_intf: remove the virtual interface determined by dev
3102 */
84efbb84 3103int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
93a1df48 3104{
84efbb84 3105 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
cf052335 3106 struct mwifiex_adapter *adapter = priv->adapter;
a1777327 3107 struct sk_buff *skb, *tmp;
93a1df48
YAP		 3108
3109#ifdef CONFIG_DEBUG_FS
3110 mwifiex_dev_debugfs_remove(priv);
3111#endif
3112
0c9b7f22
XH		 3113 if (priv->sched_scanning)
3114 priv->sched_scanning = false;
3115
cf052335 3116 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
93a1df48 3117
c44c0403
AK		 3118 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3119 skb_unlink(skb, &priv->bypass_txq);
a1777327 3120 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
c44c0403 3121 }
a1777327 3122
93a1df48
YAP		 3123 if (netif_carrier_ok(priv->netdev))
3124 netif_carrier_off(priv->netdev);
3125
84efbb84
JB		 3126 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3127 unregister_netdevice(wdev->netdev);
93a1df48 3128
85afb186
AP		 3129 if (priv->dfs_cac_workqueue) {
3130 flush_workqueue(priv->dfs_cac_workqueue);
3131 destroy_workqueue(priv->dfs_cac_workqueue);
3132 priv->dfs_cac_workqueue = NULL;
3133 }
3134
7d652034
AP		 3135 if (priv->dfs_chan_sw_workqueue) {
3136 flush_workqueue(priv->dfs_chan_sw_workqueue);
3137 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3138 priv->dfs_chan_sw_workqueue = NULL;
3139 }
93a1df48
YAP		 3140 /* Clear the priv in adapter */
3141 priv->netdev = NULL;
93a1df48 3142
cf052335
AP		 3143 switch (priv->bss_mode) {
3144 case NL80211_IFTYPE_UNSPECIFIED:
3145 case NL80211_IFTYPE_STATION:
3146 case NL80211_IFTYPE_ADHOC:
65405c51 3147 adapter->curr_iface_comb.sta_intf--;
cf052335
AP		 3148 break;
3149 case NL80211_IFTYPE_AP:
65405c51 3150 adapter->curr_iface_comb.uap_intf--;
cf052335
AP		 3151 break;
3152 case NL80211_IFTYPE_P2P_CLIENT:
3153 case NL80211_IFTYPE_P2P_GO:
65405c51 3154 adapter->curr_iface_comb.p2p_intf--;
cf052335
AP		 3155 break;
3156 default:
acebe8c1
ZL		 3157 mwifiex_dbg(adapter, ERROR,
3158 "del_virtual_intf: type not supported\n");
cf052335
AP		 3159 break;
3160 }
3161
93a1df48
YAP		 3162 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3163
cbf6e055
XH		 3164 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3165 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3166 kfree(priv->hist_data);
3167
93a1df48
YAP		 3168 return 0;
3169}
3170EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3171
7da060c1 3172static bool
0434c464
AK		 3173mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3174 u8 max_byte_seq)
7da060c1
AK		 3175{
3176 int j, k, valid_byte_cnt = 0;
3177 bool dont_care_byte = false;
3178
3179 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3180 for (k = 0; k < 8; k++) {
3181 if (pat->mask[j] & 1 << k) {
3182 memcpy(byte_seq + valid_byte_cnt,
3183 &pat->pattern[j * 8 + k], 1);
3184 valid_byte_cnt++;
3185 if (dont_care_byte)
3186 return false;
3187 } else {
3188 if (valid_byte_cnt)
3189 dont_care_byte = true;
3190 }
3191
c8ac6a8e
XH		 3192 /* wildcard bytes record as the offset
3193 * before the valid byte
3194 */
3195 if (!valid_byte_cnt && !dont_care_byte)
3196 pat->pkt_offset++;
3197
0434c464 3198 if (valid_byte_cnt > max_byte_seq)
7da060c1
AK		 3199 return false;
3200 }
3201 }
3202
0434c464 3203 byte_seq[max_byte_seq] = valid_byte_cnt;
7da060c1
AK		 3204
3205 return true;
3206}
3207
d1e2586f 3208#ifdef CONFIG_PM
b533be18
MH		 3209static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3210 struct mwifiex_mef_entry *mef_entry)
3211{
3212 int i, filt_num = 0, num_ipv4 = 0;
3213 struct in_device *in_dev;
3214 struct in_ifaddr *ifa;
3215 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3216 struct mwifiex_adapter *adapter = priv->adapter;
3217
3218 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3219 mef_entry->action = MEF_ACTION_AUTO_ARP;
3220
3221 /* Enable ARP offload feature */
3222 memset(ips, 0, sizeof(ips));
3223 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3224 if (adapter->priv[i]->netdev) {
3225 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3226 if (!in_dev)
3227 continue;
3228 ifa = in_dev->ifa_list;
3229 if (!ifa || !ifa->ifa_local)
3230 continue;
3231 ips[i] = ifa->ifa_local;
3232 num_ipv4++;
3233 }
3234 }
3235
3236 for (i = 0; i < num_ipv4; i++) {
3237 if (!ips[i])
3238 continue;
3239 mef_entry->filter[filt_num].repeat = 1;
3240 memcpy(mef_entry->filter[filt_num].byte_seq,
3241 (u8 *)&ips[i], sizeof(ips[i]));
3242 mef_entry->filter[filt_num].
3243 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3244 sizeof(ips[i]);
3245 mef_entry->filter[filt_num].offset = 46;
3246 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3247 if (filt_num) {
3248 mef_entry->filter[filt_num].filt_action =
3249 TYPE_OR;
3250 }
3251 filt_num++;
3252 }
3253
3254 mef_entry->filter[filt_num].repeat = 1;
3255 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3256 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3257 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3258 mef_entry->filter[filt_num].offset = 20;
3259 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3260 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3261}
3262
3263static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3264 struct mwifiex_ds_mef_cfg *mef_cfg,
3265 struct mwifiex_mef_entry *mef_entry,
3266 struct cfg80211_wowlan *wowlan)
7da060c1 3267{
468133c5 3268 int i, filt_num = 0, ret = 0;
7da060c1 3269 bool first_pat = true;
3f4e854a 3270 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
d157bcfa
CIK		 3271 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3272 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
7da060c1 3273
7da060c1
AK		 3274 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3275 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3276
3277 for (i = 0; i < wowlan->n_patterns; i++) {
3278 memset(byte_seq, 0, sizeof(byte_seq));
3279 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
468133c5
MH		 3280 byte_seq,
3281 MWIFIEX_MEF_MAX_BYTESEQ)) {
acebe8c1
ZL		 3282 mwifiex_dbg(priv->adapter, ERROR,
3283 "Pattern not supported\n");
7da060c1
AK		 3284 return -EOPNOTSUPP;
3285 }
3286
3287 if (!wowlan->patterns[i].pkt_offset) {
3288 if (!(byte_seq[0] & 0x01) &&
3f4e854a 3289 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
b533be18 3290 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
7da060c1
AK		 3291 continue;
3292 } else if (is_broadcast_ether_addr(byte_seq)) {
b533be18 3293 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
7da060c1
AK		 3294 continue;
3295 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3f4e854a 3296 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
7da060c1 3297 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3f4e854a 3298 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
b533be18 3299 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
7da060c1
AK		 3300 continue;
3301 }
3302 }
7da060c1
AK		 3303 mef_entry->filter[filt_num].repeat = 1;
3304 mef_entry->filter[filt_num].offset =
468133c5 3305 wowlan->patterns[i].pkt_offset;
7da060c1 3306 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
468133c5 3307 sizeof(byte_seq));
7da060c1
AK		 3308 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3309
5323b53d 3310 if (first_pat) {
7da060c1 3311 first_pat = false;
5323b53d 3312 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3313 } else {
7da060c1 3314 mef_entry->filter[filt_num].filt_action = TYPE_AND;
5323b53d 3315 }
7da060c1
AK		 3316
3317 filt_num++;
3318 }
3319
3320 if (wowlan->magic_pkt) {
b533be18 3321 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
7da060c1
AK		 3322 mef_entry->filter[filt_num].repeat = 16;
3323 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
468133c5 3324 ETH_ALEN);
3f4e854a 3325 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
468133c5 3326 ETH_ALEN;
09e65f5b 3327 mef_entry->filter[filt_num].offset = 28;
7da060c1
AK		 3328 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3329 if (filt_num)
3330 mef_entry->filter[filt_num].filt_action = TYPE_OR;
4dbc13fa
ZY		 3331
3332 filt_num++;
3333 mef_entry->filter[filt_num].repeat = 16;
3334 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
468133c5 3335 ETH_ALEN);
4dbc13fa 3336 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
468133c5 3337 ETH_ALEN;
4dbc13fa
ZY		 3338 mef_entry->filter[filt_num].offset = 56;
3339 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3340 mef_entry->filter[filt_num].filt_action = TYPE_OR;
5323b53d 3341 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
7da060c1 3342 }
b533be18
MH		 3343 return ret;
3344}
3345
3346static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3347 struct cfg80211_wowlan *wowlan)
3348{
3349 int ret = 0, num_entries = 1;
3350 struct mwifiex_ds_mef_cfg mef_cfg;
3351 struct mwifiex_mef_entry *mef_entry;
3352
3353 if (wowlan->n_patterns || wowlan->magic_pkt)
3354 num_entries++;
3355
3356 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3357 if (!mef_entry)
3358 return -ENOMEM;
3359
3360 memset(&mef_cfg, 0, sizeof(mef_cfg));
3361 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3362 MWIFIEX_CRITERIA_UNICAST;
3363 mef_cfg.num_entries = num_entries;
3364 mef_cfg.mef_entry = mef_entry;
3365
3366 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3367
722d2668 3368 if (wowlan->n_patterns || wowlan->magic_pkt) {
b533be18
MH		 3369 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3370 &mef_entry[1], wowlan);
722d2668
JL		 3371 if (ret)
3372 goto err;
3373 }
7da060c1
AK		 3374
3375 if (!mef_cfg.criteria)
3376 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
468133c5
MH		 3377 MWIFIEX_CRITERIA_UNICAST |
3378 MWIFIEX_CRITERIA_MULTICAST;
7da060c1 3379
fa0ecbb9 3380 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
b533be18
MH		 3381 HostCmd_ACT_GEN_SET, 0,
3382 &mef_cfg, true);
722d2668
JL		 3383
3384err:
7da060c1
AK		 3385 kfree(mef_entry);
3386 return ret;
3387}
3388
468133c5
MH		 3389static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3390 struct cfg80211_wowlan *wowlan)
3391{
3392 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
8a40084e 3393 struct mwifiex_ds_hs_cfg hs_cfg;
54f00849 3394 int i, ret = 0, retry_num = 10;
5ff46f79 3395 struct mwifiex_private *priv;
322397b2
AK		 3396 struct mwifiex_private *sta_priv =
3397 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
5ff46f79 3398
16d25da9 3399 sta_priv->scan_aborting = true;
5ff46f79
AP		 3400 for (i = 0; i < adapter->priv_num; i++) {
3401 priv = adapter->priv[i];
3402 mwifiex_abort_cac(priv);
3403 }
3404
3405 mwifiex_cancel_all_pending_cmd(adapter);
468133c5 3406
54f00849
AK		 3407 for (i = 0; i < adapter->priv_num; i++) {
3408 priv = adapter->priv[i];
bd69cddc
GB		 3409 if (priv && priv->netdev)
3410 netif_device_detach(priv->netdev);
54f00849
AK		 3411 }
3412
3413 for (i = 0; i < retry_num; i++) {
3414 if (!mwifiex_wmm_lists_empty(adapter) ||
3415 !mwifiex_bypass_txlist_empty(adapter) ||
3416 !skb_queue_empty(&adapter->tx_data_q))
3417 usleep_range(10000, 15000);
3418 else
3419 break;
3420 }
3421
468133c5 3422 if (!wowlan) {
acebe8c1
ZL		 3423 mwifiex_dbg(adapter, ERROR,
3424 "None of the WOWLAN triggers enabled\n");
16d25da9
AK		 3425 ret = 0;
3426 goto done;
468133c5
MH		 3427 }
3428
322397b2 3429 if (!sta_priv->media_connected && !wowlan->nd_config) {
acebe8c1
ZL		 3430 mwifiex_dbg(adapter, ERROR,
3431 "Can not configure WOWLAN in disconnected state\n");
16d25da9
AK		 3432 ret = 0;
3433 goto done;
468133c5
MH		 3434 }
3435
322397b2 3436 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
b533be18 3437 if (ret) {
acebe8c1 3438 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
16d25da9 3439 goto done;
468133c5
MH		 3440 }
3441
7d7f07d8 3442 memset(&hs_cfg, 0, sizeof(hs_cfg));
3443 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3444
3445 if (wowlan->nd_config) {
3446 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3447 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
322397b2 3448 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
7d7f07d8 3449 wowlan->nd_config);
3450 }
3451
8a40084e 3452 if (wowlan->disconnect) {
7d7f07d8 3453 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
322397b2 3454 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
8a40084e
MH		 3455 }
3456
7d7f07d8 3457 hs_cfg.is_invoke_hostcmd = false;
3458 hs_cfg.gpio = adapter->hs_cfg.gpio;
3459 hs_cfg.gap = adapter->hs_cfg.gap;
322397b2 3460 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
7d7f07d8 3461 MWIFIEX_SYNC_CMD, &hs_cfg);
16d25da9
AK		 3462 if (ret)
3463 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
7d7f07d8 3464
16d25da9
AK		 3465done:
3466 sta_priv->scan_aborting = false;
468133c5
MH		 3467 return ret;
3468}
3469
7da060c1
AK		 3470static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3471{
8de00f1b 3472 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
54f00849 3473 struct mwifiex_private *priv;
8de00f1b 3474 struct mwifiex_ds_wakeup_reason wakeup_reason;
3475 struct cfg80211_wowlan_wakeup wakeup_report;
3476 int i;
df228862 3477 bool report_wakeup_reason = true;
8de00f1b 3478
54f00849
AK		 3479 for (i = 0; i < adapter->priv_num; i++) {
3480 priv = adapter->priv[i];
bd69cddc
GB		 3481 if (priv && priv->netdev)
3482 netif_device_attach(priv->netdev);
54f00849
AK		 3483 }
3484
d286af9b
AK		 3485 if (!wiphy->wowlan_config)
3486 goto done;
3487
54f00849 3488 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
8de00f1b 3489 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3490 &wakeup_reason);
3491 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3492
3493 wakeup_report.pattern_idx = -1;
3494
3495 switch (wakeup_reason.hs_wakeup_reason) {
3496 case NO_HSWAKEUP_REASON:
3497 break;
3498 case BCAST_DATA_MATCHED:
3499 break;
3500 case MCAST_DATA_MATCHED:
3501 break;
3502 case UCAST_DATA_MATCHED:
3503 break;
3504 case MASKTABLE_EVENT_MATCHED:
3505 break;
3506 case NON_MASKABLE_EVENT_MATCHED:
3507 if (wiphy->wowlan_config->disconnect)
3508 wakeup_report.disconnect = true;
3509 if (wiphy->wowlan_config->nd_config)
3510 wakeup_report.net_detect = adapter->nd_info;
3511 break;
3512 case NON_MASKABLE_CONDITION_MATCHED:
3513 break;
3514 case MAGIC_PATTERN_MATCHED:
3515 if (wiphy->wowlan_config->magic_pkt)
3516 wakeup_report.magic_pkt = true;
3517 if (wiphy->wowlan_config->n_patterns)
3518 wakeup_report.pattern_idx = 1;
3519 break;
8fa0a0dc
GB		 3520 case GTK_REKEY_FAILURE:
3521 if (wiphy->wowlan_config->gtk_rekey_failure)
3522 wakeup_report.gtk_rekey_failure = true;
3523 break;
8de00f1b 3524 default:
df228862 3525 report_wakeup_reason = false;
8de00f1b 3526 break;
3527 }
3528
df228862 3529 if (report_wakeup_reason)
8de00f1b 3530 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3531 GFP_KERNEL);
3532
d286af9b 3533done:
8de00f1b 3534 if (adapter->nd_info) {
3535 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3536 kfree(adapter->nd_info->matches[i]);
3537 kfree(adapter->nd_info);
3538 adapter->nd_info = NULL;
3539 }
3540
7da060c1
AK		 3541 return 0;
3542}
3543
3544static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3545 bool enabled)
3546{
3547 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3548
3549 device_set_wakeup_enable(adapter->dev, enabled);
3550}
f6b1cbe0
GB		 3551
3552static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3553 struct cfg80211_gtk_rekey_data *data)
3554{
3555 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3556
3557 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3558 HostCmd_ACT_GEN_SET, 0, data, true);
3559}
3560
7da060c1
AK		 3561#endif
3562
562fc5b3
AK		 3563static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3564{
d157bcfa
CIK		 3565 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3566 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3567 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
562fc5b3
AK		 3568
3569 if ((byte_seq[0] & 0x01) &&
3570 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3571 return PACKET_TYPE_UNICAST;
3572 else if (!memcmp(byte_seq, bc_mac, 4))
3573 return PACKET_TYPE_BROADCAST;
3574 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3575 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3576 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3577 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3578 return PACKET_TYPE_MULTICAST;
3579
3580 return 0;
3581}
3582
3583static int
3584mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3585 struct cfg80211_coalesce_rules *crule,
3586 struct mwifiex_coalesce_rule *mrule)
3587{
3588 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3589 struct filt_field_param *param;
3590 int i;
3591
3592 mrule->max_coalescing_delay = crule->delay;
3593
3594 param = mrule->params;
3595
3596 for (i = 0; i < crule->n_patterns; i++) {
3597 memset(byte_seq, 0, sizeof(byte_seq));
3598 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3599 byte_seq,
3600 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
acebe8c1
ZL		 3601 mwifiex_dbg(priv->adapter, ERROR,
3602 "Pattern not supported\n");
562fc5b3
AK		 3603 return -EOPNOTSUPP;
3604 }
3605
3606 if (!crule->patterns[i].pkt_offset) {
3607 u8 pkt_type;
3608
3609 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3610 if (pkt_type && mrule->pkt_type) {
acebe8c1
ZL		 3611 mwifiex_dbg(priv->adapter, ERROR,
3612 "Multiple packet types not allowed\n");
562fc5b3
AK		 3613 return -EOPNOTSUPP;
3614 } else if (pkt_type) {
3615 mrule->pkt_type = pkt_type;
3616 continue;
3617 }
3618 }
3619
3620 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3621 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3622 else
3623 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3624
3625 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3626 memcpy(param->operand_byte_stream, byte_seq,
3627 param->operand_len);
3628 param->offset = crule->patterns[i].pkt_offset;
3629 param++;
3630
3631 mrule->num_of_fields++;
3632 }
3633
3634 if (!mrule->pkt_type) {
acebe8c1
ZL		 3635 mwifiex_dbg(priv->adapter, ERROR,
3636 "Packet type can not be determined\n");
562fc5b3
AK		 3637 return -EOPNOTSUPP;
3638 }
3639
3640 return 0;
3641}
3642
3643static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3644 struct cfg80211_coalesce *coalesce)
3645{
3646 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3647 int i, ret;
3648 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3649 struct mwifiex_private *priv =
3650 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3651
3652 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3653 if (!coalesce) {
acebe8c1
ZL		 3654 mwifiex_dbg(adapter, WARN,
3655 "Disable coalesce and reset all previous rules\n");
fa0ecbb9
BZ		 3656 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3657 HostCmd_ACT_GEN_SET, 0,
3658 &coalesce_cfg, true);
562fc5b3
AK		 3659 }
3660
3661 coalesce_cfg.num_of_rules = coalesce->n_rules;
3662 for (i = 0; i < coalesce->n_rules; i++) {
3663 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3664 &coalesce_cfg.rule[i]);
3665 if (ret) {
acebe8c1
ZL		 3666 mwifiex_dbg(adapter, ERROR,
3667 "Recheck the patterns provided for rule %d\n",
562fc5b3
AK		 3668 i + 1);
3669 return ret;
3670 }
3671 }
3672
fa0ecbb9
BZ		 3673 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3674 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
562fc5b3
AK		 3675}
3676
b23bce29
AP		 3677/* cfg80211 ops handler for tdls_mgmt.
3678 * Function prepares TDLS action frame packets and forwards them to FW
3679 */
3680static int
3681mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 3682 const u8 *peer, u8 action_code, u8 dialog_token,
df942e7b 3683 u16 status_code, u32 peer_capability,
31fa97c5
AN		 3684 bool initiator, const u8 *extra_ies,
3685 size_t extra_ies_len)
b23bce29
AP		 3686{
3687 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3688 int ret;
3689
3690 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3691 return -ENOTSUPP;
3692
3693 /* make sure we are in station mode and connected */
3694 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3695 return -ENOTSUPP;
3696
3697 switch (action_code) {
3698 case WLAN_TDLS_SETUP_REQUEST:
acebe8c1
ZL		 3699 mwifiex_dbg(priv->adapter, MSG,
3700 "Send TDLS Setup Request to %pM status_code=%d\n",
3701 peer, status_code);
9927baa3 3702 mwifiex_add_auto_tdls_peer(priv, peer);
b23bce29
AP		 3703 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3704 dialog_token, status_code,
3705 extra_ies, extra_ies_len);
3706 break;
3707 case WLAN_TDLS_SETUP_RESPONSE:
9927baa3 3708 mwifiex_add_auto_tdls_peer(priv, peer);
acebe8c1
ZL		 3709 mwifiex_dbg(priv->adapter, MSG,
3710 "Send TDLS Setup Response to %pM status_code=%d\n",
3711 peer, status_code);
b23bce29
AP		 3712 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3713 dialog_token, status_code,
3714 extra_ies, extra_ies_len);
3715 break;
3716 case WLAN_TDLS_SETUP_CONFIRM:
acebe8c1
ZL		 3717 mwifiex_dbg(priv->adapter, MSG,
3718 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3719 status_code);
b23bce29
AP		 3720 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3721 dialog_token, status_code,
3722 extra_ies, extra_ies_len);
3723 break;
3724 case WLAN_TDLS_TEARDOWN:
acebe8c1
ZL		 3725 mwifiex_dbg(priv->adapter, MSG,
3726 "Send TDLS Tear down to %pM\n", peer);
b23bce29
AP		 3727 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3728 dialog_token, status_code,
3729 extra_ies, extra_ies_len);
3730 break;
3731 case WLAN_TDLS_DISCOVERY_REQUEST:
acebe8c1
ZL		 3732 mwifiex_dbg(priv->adapter, MSG,
3733 "Send TDLS Discovery Request to %pM\n", peer);
b23bce29
AP		 3734 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3735 dialog_token, status_code,
3736 extra_ies, extra_ies_len);
3737 break;
3738 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
acebe8c1
ZL		 3739 mwifiex_dbg(priv->adapter, MSG,
3740 "Send TDLS Discovery Response to %pM\n", peer);
b23bce29
AP		 3741 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3742 dialog_token, status_code,
3743 extra_ies, extra_ies_len);
3744 break;
3745 default:
acebe8c1
ZL		 3746 mwifiex_dbg(priv->adapter, ERROR,
3747 "Unknown TDLS mgmt/action frame %pM\n", peer);
b23bce29
AP		 3748 ret = -EINVAL;
3749 break;
3750 }
3751
3752 return ret;
3753}
3754
429d90d2
AP		 3755static int
3756mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 3757 const u8 *peer, enum nl80211_tdls_operation action)
429d90d2
AP		 3758{
3759 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3760
3761 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3762 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3763 return -ENOTSUPP;
3764
3765 /* make sure we are in station mode and connected */
3766 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3767 return -ENOTSUPP;
3768
acebe8c1
ZL		 3769 mwifiex_dbg(priv->adapter, MSG,
3770 "TDLS peer=%pM, oper=%d\n", peer, action);
429d90d2
AP		 3771
3772 switch (action) {
3773 case NL80211_TDLS_ENABLE_LINK:
3774 action = MWIFIEX_TDLS_ENABLE_LINK;
3775 break;
3776 case NL80211_TDLS_DISABLE_LINK:
3777 action = MWIFIEX_TDLS_DISABLE_LINK;
3778 break;
3779 case NL80211_TDLS_TEARDOWN:
3780 /* shouldn't happen!*/
acebe8c1
ZL		 3781 mwifiex_dbg(priv->adapter, ERROR,
3782 "tdls_oper: teardown from driver not supported\n");
429d90d2
AP		 3783 return -EINVAL;
3784 case NL80211_TDLS_SETUP:
3785 /* shouldn't happen!*/
acebe8c1
ZL		 3786 mwifiex_dbg(priv->adapter, ERROR,
3787 "tdls_oper: setup from driver not supported\n");
429d90d2
AP		 3788 return -EINVAL;
3789 case NL80211_TDLS_DISCOVERY_REQ:
3790 /* shouldn't happen!*/
acebe8c1
ZL		 3791 mwifiex_dbg(priv->adapter, ERROR,
3792 "tdls_oper: discovery from driver not supported\n");
429d90d2
AP		 3793 return -EINVAL;
3794 default:
acebe8c1
ZL		 3795 mwifiex_dbg(priv->adapter, ERROR,
3796 "tdls_oper: operation not supported\n");
429d90d2
AP		 3797 return -ENOTSUPP;
3798 }
3799
3800 return mwifiex_tdls_oper(priv, peer, action);
3801}
3802
b0497597
XH		 3803static int
3804mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3805 const u8 *addr, u8 oper_class,
3806 struct cfg80211_chan_def *chandef)
3807{
3808 struct mwifiex_sta_node *sta_ptr;
3809 unsigned long flags;
3810 u16 chan;
3811 u8 second_chan_offset, band;
3812 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3813
3814 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3815 sta_ptr = mwifiex_get_sta_entry(priv, addr);
b0497597 3816 if (!sta_ptr) {
f0f7c227 3817 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
b0497597
XH		 3818 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3819 __func__, addr);
3820 return -ENOENT;
3821 }
3822
3823 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3824 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
f0f7c227 3825 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
b0497597
XH		 3826 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3827 return -ENOENT;
3828 }
3829
3830 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3831 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
f0f7c227 3832 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
b0497597
XH		 3833 wiphy_err(wiphy, "channel switch is running, abort request\n");
3834 return -EALREADY;
3835 }
f0f7c227 3836 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
b0497597
XH		 3837
3838 chan = chandef->chan->hw_value;
3839 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3840 band = chandef->chan->band;
3841 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3842
3843 return 0;
3844}
3845
3846static void
3847mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3848 struct net_device *dev,
3849 const u8 *addr)
3850{
3851 struct mwifiex_sta_node *sta_ptr;
3852 unsigned long flags;
3853 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3854
3855 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3856 sta_ptr = mwifiex_get_sta_entry(priv, addr);
b0497597 3857 if (!sta_ptr) {
f0f7c227 3858 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
b0497597
XH		 3859 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3860 __func__, addr);
3861 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3862 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3863 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
f0f7c227 3864 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
b0497597
XH		 3865 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3866 addr);
f0f7c227
DA		 3867 } else {
3868 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
b0497597 3869 mwifiex_stop_tdls_cs(priv, addr);
f0f7c227 3870 }
b0497597
XH		 3871}
3872
e48e0de0 3873static int
3b3a0162
JB		 3874mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3875 const u8 *mac, struct station_parameters *params)
e48e0de0
AP		 3876{
3877 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3878
3879 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3880 return -ENOTSUPP;
3881
3882 /* make sure we are in station mode and connected */
3883 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3884 return -ENOTSUPP;
3885
3886 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3887}
3888
7d652034
AP		 3889static int
3890mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3891 struct cfg80211_csa_settings *params)
3892{
3893 struct ieee_types_header *chsw_ie;
3894 struct ieee80211_channel_sw_ie *channel_sw;
3895 int chsw_msec;
3896 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3897
3898 if (priv->adapter->scan_processing) {
acebe8c1
ZL		 3899 mwifiex_dbg(priv->adapter, ERROR,
3900 "radar detection: scan in process...\n");
7d652034
AP		 3901 return -EBUSY;
3902 }
3903
3904 if (priv->wdev.cac_started)
3905 return -EBUSY;
3906
3907 if (cfg80211_chandef_identical(&params->chandef,
3908 &priv->dfs_chandef))
3909 return -EINVAL;
3910
3911 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3912 params->beacon_csa.tail,
3913 params->beacon_csa.tail_len);
3914 if (!chsw_ie) {
acebe8c1
ZL		 3915 mwifiex_dbg(priv->adapter, ERROR,
3916 "Could not parse channel switch announcement IE\n");
7d652034
AP		 3917 return -EINVAL;
3918 }
3919
3920 channel_sw = (void *)(chsw_ie + 1);
3921 if (channel_sw->mode) {
3922 if (netif_carrier_ok(priv->netdev))
3923 netif_carrier_off(priv->netdev);
3924 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3925 }
3926
3927 if (mwifiex_del_mgmt_ies(priv))
acebe8c1
ZL		 3928 mwifiex_dbg(priv->adapter, ERROR,
3929 "Failed to delete mgmt IEs!\n");
7d652034
AP		 3930
3931 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
acebe8c1
ZL		 3932 mwifiex_dbg(priv->adapter, ERROR,
3933 "%s: setting mgmt ies failed\n", __func__);
7d652034
AP		 3934 return -EFAULT;
3935 }
3936
3937 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3938 memcpy(&priv->beacon_after, &params->beacon_after,
3939 sizeof(priv->beacon_after));
3940
3941 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3942 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3943 msecs_to_jiffies(chsw_msec));
3944 return 0;
3945}
3946
7ee38bf4
XH		 3947static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3948 struct wireless_dev *wdev,
3949 struct cfg80211_chan_def *chandef)
3950{
3951 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3952 struct mwifiex_bssdescriptor *curr_bss;
3953 struct ieee80211_channel *chan;
7ee38bf4 3954 enum nl80211_channel_type chan_type;
57fbcce3 3955 enum nl80211_band band;
7ee38bf4
XH		 3956 int freq;
3957 int ret = -ENODATA;
3958
3959 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3960 cfg80211_chandef_valid(&priv->bss_chandef)) {
3961 *chandef = priv->bss_chandef;
3962 ret = 0;
3963 } else if (priv->media_connected) {
3964 curr_bss = &priv->curr_bss_params.bss_descriptor;
3965 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3966 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3967 chan = ieee80211_get_channel(wiphy, freq);
3968
44ca509c 3969 if (priv->ht_param_present) {
28bf8312 3970 chan_type = mwifiex_get_chan_type(priv);
7ee38bf4
XH		 3971 cfg80211_chandef_create(chandef, chan, chan_type);
3972 } else {
3973 cfg80211_chandef_create(chandef, chan,
3974 NL80211_CHAN_NO_HT);
3975 }
3976 ret = 0;
3977 }
3978
3979 return ret;
3980}
3981
3935ccc1
XH		 3982#ifdef CONFIG_NL80211_TESTMODE
3983
3984enum mwifiex_tm_attr {
3985 __MWIFIEX_TM_ATTR_INVALID = 0,
3986 MWIFIEX_TM_ATTR_CMD = 1,
3987 MWIFIEX_TM_ATTR_DATA = 2,
3988
3989 /* keep last */
3990 __MWIFIEX_TM_ATTR_AFTER_LAST,
3991 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
3992};
3993
3994static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
3995 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
3996 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
3997 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
3998};
3999
4000enum mwifiex_tm_command {
4001 MWIFIEX_TM_CMD_HOSTCMD = 0,
4002};
4003
4004static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4005 void *data, int len)
4006{
4007 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4008 struct mwifiex_ds_misc_cmd *hostcmd;
4009 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
3935ccc1
XH		 4010 struct sk_buff *skb;
4011 int err;
4012
4013 if (!priv)
4014 return -EINVAL;
3935ccc1 4015
fceb6435
JB		 4016 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy,
4017 NULL);
3935ccc1
XH		 4018 if (err)
4019 return err;
4020
4021 if (!tb[MWIFIEX_TM_ATTR_CMD])
4022 return -EINVAL;
4023
4024 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4025 case MWIFIEX_TM_CMD_HOSTCMD:
4026 if (!tb[MWIFIEX_TM_ATTR_DATA])
4027 return -EINVAL;
4028
4029 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4030 if (!hostcmd)
4031 return -ENOMEM;
4032
4033 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4034 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4035 hostcmd->len);
4036
4037 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4038 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4039 return -EFAULT;
4040 }
4041
4042 /* process hostcmd response*/
4043 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4044 if (!skb)
4045 return -ENOMEM;
4046 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4047 hostcmd->len, hostcmd->cmd);
4048 if (err) {
4049 kfree_skb(skb);
4050 return -EMSGSIZE;
4051 }
4052
4053 err = cfg80211_testmode_reply(skb);
4054 kfree(hostcmd);
4055 return err;
4056 default:
4057 return -EOPNOTSUPP;
4058 }
4059}
4060#endif
4061
85afb186
AP		 4062static int
4063mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4064 struct net_device *dev,
4065 struct cfg80211_chan_def *chandef,
4066 u32 cac_time_ms)
4067{
4068 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4069 struct mwifiex_radar_params radar_params;
4070
4071 if (priv->adapter->scan_processing) {
acebe8c1
ZL		 4072 mwifiex_dbg(priv->adapter, ERROR,
4073 "radar detection: scan already in process...\n");
85afb186
AP		 4074 return -EBUSY;
4075 }
4076
cf075eac 4077 if (!mwifiex_is_11h_active(priv)) {
acebe8c1
ZL		 4078 mwifiex_dbg(priv->adapter, INFO,
4079 "Enable 11h extensions in FW\n");
cf075eac 4080 if (mwifiex_11h_activate(priv, true)) {
acebe8c1
ZL		 4081 mwifiex_dbg(priv->adapter, ERROR,
4082 "Failed to activate 11h extensions!!");
cf075eac
AP		 4083 return -1;
4084 }
4085 priv->state_11h.is_11h_active = true;
4086 }
4087
85afb186
AP		 4088 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4089 radar_params.chandef = chandef;
4090 radar_params.cac_time_ms = cac_time_ms;
4091
4092 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4093
4094 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4095 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4096 return -1;
4097
4098 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4099 msecs_to_jiffies(cac_time_ms));
4100 return 0;
4101}
4102
1f4dfd8a 4103static int
3b3a0162
JB		 4104mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4105 const u8 *mac,
4106 struct station_parameters *params)
1f4dfd8a
AP		 4107{
4108 int ret;
4109 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4110
4111 /* we support change_station handler only for TDLS peers*/
4112 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4113 return -ENOTSUPP;
4114
4115 /* make sure we are in station mode and connected */
4116 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4117 return -ENOTSUPP;
4118
4119 priv->sta_params = params;
4120
4121 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4122 priv->sta_params = NULL;
4123
4124 return ret;
4125}
4126
5e6e3a92
BZ		 4127/* station cfg80211 operations */
4128static struct cfg80211_ops mwifiex_cfg80211_ops = {
93a1df48
YAP		 4129 .add_virtual_intf = mwifiex_add_virtual_intf,
4130 .del_virtual_intf = mwifiex_del_virtual_intf,
5e6e3a92
BZ		 4131 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4132 .scan = mwifiex_cfg80211_scan,
4133 .connect = mwifiex_cfg80211_connect,
4134 .disconnect = mwifiex_cfg80211_disconnect,
4135 .get_station = mwifiex_cfg80211_get_station,
f85aae6b 4136 .dump_station = mwifiex_cfg80211_dump_station,
6bc6c49f 4137 .dump_survey = mwifiex_cfg80211_dump_survey,
5e6e3a92 4138 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
5e6e3a92
BZ		 4139 .join_ibss = mwifiex_cfg80211_join_ibss,
4140 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4141 .add_key = mwifiex_cfg80211_add_key,
4142 .del_key = mwifiex_cfg80211_del_key,
89951db2 4143 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
e39faa73 4144 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3cec6870 4145 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
7feb4c48
SP		 4146 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4147 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
5e6e3a92
BZ		 4148 .set_default_key = mwifiex_cfg80211_set_default_key,
4149 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4150 .set_tx_power = mwifiex_cfg80211_set_tx_power,
7d54baca 4151 .get_tx_power = mwifiex_cfg80211_get_tx_power,
5d82c53a 4152 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
12190c5d
AP		 4153 .start_ap = mwifiex_cfg80211_start_ap,
4154 .stop_ap = mwifiex_cfg80211_stop_ap,
5370c836 4155 .change_beacon = mwifiex_cfg80211_change_beacon,
fa444bf8 4156 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
8a279d5b 4157 .set_antenna = mwifiex_cfg80211_set_antenna,
3ee71285 4158 .get_antenna = mwifiex_cfg80211_get_antenna,
0f9e9b8b 4159 .del_station = mwifiex_cfg80211_del_station,
0c9b7f22
XH		 4160 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4161 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
7da060c1
AK		 4162#ifdef CONFIG_PM
4163 .suspend = mwifiex_cfg80211_suspend,
4164 .resume = mwifiex_cfg80211_resume,
4165 .set_wakeup = mwifiex_cfg80211_set_wakeup,
f6b1cbe0 4166 .set_rekey_data = mwifiex_set_rekey_data,
7da060c1 4167#endif
d1e2586f 4168 .set_coalesce = mwifiex_cfg80211_set_coalesce,
b23bce29 4169 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
429d90d2 4170 .tdls_oper = mwifiex_cfg80211_tdls_oper,
b0497597
XH		 4171 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4172 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
e48e0de0 4173 .add_station = mwifiex_cfg80211_add_station,
1f4dfd8a 4174 .change_station = mwifiex_cfg80211_change_station,
3935ccc1 4175 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
7ee38bf4 4176 .get_channel = mwifiex_cfg80211_get_channel,
85afb186 4177 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
7d652034 4178 .channel_switch = mwifiex_cfg80211_channel_switch,
5e6e3a92
BZ		 4179};
4180
964dc9e2
JB		 4181#ifdef CONFIG_PM
4182static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
7d7f07d8 4183 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
8fa0a0dc
GB		 4184 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4185 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
3f4e854a 4186 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
964dc9e2
JB		 4187 .pattern_min_len = 1,
4188 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4189 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
7d7f07d8 4190 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
964dc9e2
JB		 4191};
4192#endif
4193
3c68ef5b
AP		 4194static bool mwifiex_is_valid_alpha2(const char *alpha2)
4195{
4196 if (!alpha2 || strlen(alpha2) != 2)
4197 return false;
4198
4199 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4200 return true;
4201
4202 return false;
4203}
4204
562fc5b3
AK		 4205static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4206 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4207 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4208 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4209 .pattern_min_len = 1,
4210 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4211 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4212};
4213
bf354433
AP		 4214int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4215{
4216 u32 n_channels_bg, n_channels_a = 0;
4217
4218 n_channels_bg = mwifiex_band_2ghz.n_channels;
4219
4220 if (adapter->config_bands & BAND_A)
4221 n_channels_a = mwifiex_band_5ghz.n_channels;
4222
2d5cc609
RF		 4223 /* allocate twice the number total channels, since the driver issues an
4224 * additional active scan request for hidden SSIDs on passive channels.
4225 */
4226 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
bf354433
AP		 4227 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
4228 adapter->num_in_chan_stats);
4229
4230 if (!adapter->chan_stats)
4231 return -ENOMEM;
4232
4233 return 0;
4234}
4235
5e6e3a92
BZ		 4236/*
4237 * This function registers the device with CFG802.11 subsystem.
4238 *
4239 * The function creates the wireless device/wiphy, populates it with
4240 * default parameters and handler function pointers, and finally
4241 * registers the device.
4242 */
d6bffe8b
AP		 4243
4244int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
5e6e3a92 4245{
270e58e8
YAP		 4246 int ret;
4247 void *wdev_priv;
d6bffe8b
AP		 4248 struct wiphy *wiphy;
4249 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
9e04a7c6 4250 u8 *country_code;
f862bfd1 4251 u32 thr, retry;
5e6e3a92 4252
d6bffe8b
AP		 4253 /* create a new wiphy for use with cfg80211 */
4254 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4255 sizeof(struct mwifiex_adapter *));
4256 if (!wiphy) {
acebe8c1
ZL		 4257 mwifiex_dbg(adapter, ERROR,
4258 "%s: creating new wiphy\n", __func__);
5e6e3a92
BZ		 4259 return -ENOMEM;
4260 }
d6bffe8b
AP		 4261 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4262 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
83719be8 4263 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
7feb4c48 4264 wiphy->max_remain_on_channel_duration = 5000;
d6bffe8b
AP		 4265 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4266 BIT(NL80211_IFTYPE_ADHOC) |
197f4a2e
SP		 4267 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4268 BIT(NL80211_IFTYPE_P2P_GO) |
d6bffe8b
AP		 4269 BIT(NL80211_IFTYPE_AP);
4270
57fbcce3 4271 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
d6bffe8b 4272 if (adapter->config_bands & BAND_A)
57fbcce3 4273 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
d6bffe8b 4274 else
57fbcce3 4275 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
5e6e3a92 4276
de9e9932 4277 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
cc7359b5
AP		 4278 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4279 else if (adapter->is_hw_11ac_capable)
4280 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
de9e9932
AP		 4281 else
4282 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
cd8440da
AP		 4283 wiphy->n_iface_combinations = 1;
4284
5e6e3a92 4285 /* Initialize cipher suits */
d6bffe8b
AP		 4286 wiphy->cipher_suites = mwifiex_cipher_suites;
4287 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
5e6e3a92 4288
72539799
AK		 4289 if (adapter->regd) {
4290 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4291 REGULATORY_DISABLE_BEACON_HINTS |
947d3152 4292 REGULATORY_COUNTRY_IE_IGNORE;
72539799
AK		 4293 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4294 }
947d3152 4295
8d05eb22 4296 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
d6bffe8b 4297 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2dd2bd6b 4298 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
cc0ba0d5 4299 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
54428c57 4300 WIPHY_FLAG_AP_UAPSD |
7d652034 4301 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
c2b6680f
AP		 4302 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4303 WIPHY_FLAG_PS_ON_BY_DEFAULT;
b23bce29
AP		 4304
4305 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4306 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4307 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4308
7da060c1 4309#ifdef CONFIG_PM
964dc9e2 4310 wiphy->wowlan = &mwifiex_wowlan_support;
7da060c1
AK		 4311#endif
4312
562fc5b3
AK		 4313 wiphy->coalesce = &mwifiex_coalesce_support;
4314
2dd2bd6b 4315 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
e39faa73
SP		 4316 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4317 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
5e6e3a92 4318
ca986ad9 4319 wiphy->max_sched_scan_reqs = 1;
0c9b7f22
XH		 4320 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4321 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4322 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4323
8a279d5b
AK		 4324 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4325 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
5e6e3a92 4326
b292219f 4327 wiphy->features |= NL80211_FEATURE_HT_IBSS |
e45a8419 4328 NL80211_FEATURE_INACTIVITY_TIMER |
d9f5725f 4329 NL80211_FEATURE_LOW_PRIORITY_SCAN |
073a435d
KA		 4330 NL80211_FEATURE_NEED_OBSS_SCAN;
4331
4332 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4333 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4334 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4335 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
05910f4a 4336
b0497597
XH		 4337 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4338 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4339
808bbebc
AK		 4340 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4341 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4342
b5abcf02 4343 /* Reserve space for mwifiex specific private data for BSS */
d6bffe8b 4344 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
5116f3ce 4345
d6bffe8b 4346 wiphy->reg_notifier = mwifiex_reg_notifier;
5e6e3a92 4347
67fdf39e 4348 /* Set struct mwifiex_adapter pointer in wiphy_priv */
d6bffe8b 4349 wdev_priv = wiphy_priv(wiphy);
67fdf39e 4350 *(unsigned long *)wdev_priv = (unsigned long)adapter;
5e6e3a92 4351
2c208890 4352 set_wiphy_dev(wiphy, priv->adapter->dev);
a7b21165 4353
d6bffe8b 4354 ret = wiphy_register(wiphy);
5e6e3a92 4355 if (ret < 0) {
acebe8c1
ZL		 4356 mwifiex_dbg(adapter, ERROR,
4357 "%s: wiphy_register failed: %d\n", __func__, ret);
d6bffe8b 4358 wiphy_free(wiphy);
5e6e3a92 4359 return ret;
5e6e3a92 4360 }
3c68ef5b 4361
72539799
AK		 4362 if (!adapter->regd) {
4363 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4364 mwifiex_dbg(adapter, INFO,
4365 "driver hint alpha2: %2.2s\n", reg_alpha2);
4366 regulatory_hint(wiphy, reg_alpha2);
658cb592 4367 } else {
72539799
AK		 4368 if (adapter->region_code == 0x00) {
4369 mwifiex_dbg(adapter, WARN,
4370 "Ignore world regulatory domain\n");
4371 } else {
4372 wiphy->regulatory_flags |=
4373 REGULATORY_DISABLE_BEACON_HINTS |
4374 REGULATORY_COUNTRY_IE_IGNORE;
4375 country_code =
4376 mwifiex_11d_code_2_region(
4377 adapter->region_code);
4378 if (country_code &&
4379 regulatory_hint(wiphy, country_code))
4380 mwifiex_dbg(priv->adapter, ERROR,
4381 "regulatory_hint() failed\n");
4382 }
658cb592 4383 }
3c68ef5b 4384 }
5e6e3a92 4385
fa0ecbb9
BZ		 4386 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4387 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
f862bfd1 4388 wiphy->frag_threshold = thr;
fa0ecbb9
BZ		 4389 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4390 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
f862bfd1 4391 wiphy->rts_threshold = thr;
fa0ecbb9
BZ		 4392 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4393 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
f862bfd1 4394 wiphy->retry_short = (u8) retry;
fa0ecbb9
BZ		 4395 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4396 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
f862bfd1
UR		 4397 wiphy->retry_long = (u8) retry;
4398
d6bffe8b 4399 adapter->wiphy = wiphy;
5e6e3a92
BZ		 4400 return ret;
4401}
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