cfg80211.c 109.4 KB
Newer Older
1 2 3
/*
 * Marvell Wireless LAN device driver: CFG80211
 *
X
Xinming Hu 已提交
4
 * Copyright (C) 2011-2014, Marvell International Ltd.
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#include "cfg80211.h"
#include "main.h"
22
#include "11n.h"
23

24 25 26
static char *reg_alpha2;
module_param(reg_alpha2, charp, 0);

27 28
static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
	{
29
		.max = 3, .types = BIT(NL80211_IFTYPE_STATION) |
30
				   BIT(NL80211_IFTYPE_P2P_GO) |
31 32
				   BIT(NL80211_IFTYPE_P2P_CLIENT) |
				   BIT(NL80211_IFTYPE_AP),
33 34 35
	},
};

36 37
static const struct ieee80211_iface_combination
mwifiex_iface_comb_ap_sta = {
38 39 40 41 42
	.limits = mwifiex_ap_sta_limits,
	.num_different_channels = 1,
	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
	.beacon_int_infra_match = true,
43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
	.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
				BIT(NL80211_CHAN_WIDTH_20) |
				BIT(NL80211_CHAN_WIDTH_40),
};

static const struct ieee80211_iface_combination
mwifiex_iface_comb_ap_sta_vht = {
	.limits = mwifiex_ap_sta_limits,
	.num_different_channels = 1,
	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
	.beacon_int_infra_match = true,
	.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
				BIT(NL80211_CHAN_WIDTH_20) |
				BIT(NL80211_CHAN_WIDTH_40) |
				BIT(NL80211_CHAN_WIDTH_80),
59 60
};

61
static const struct
62
ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
63 64 65 66 67 68 69
	.limits = mwifiex_ap_sta_limits,
	.num_different_channels = 2,
	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
	.beacon_int_infra_match = true,
};

70 71 72 73
/*
 * This function maps the nl802.11 channel type into driver channel type.
 *
 * The mapping is as follows -
74 75 76 77 78
 *      NL80211_CHAN_NO_HT     -> IEEE80211_HT_PARAM_CHA_SEC_NONE
 *      NL80211_CHAN_HT20      -> IEEE80211_HT_PARAM_CHA_SEC_NONE
 *      NL80211_CHAN_HT40PLUS  -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
 *      NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
 *      Others                 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
79
 */
80
u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
81
{
82
	switch (chan_type) {
83 84
	case NL80211_CHAN_NO_HT:
	case NL80211_CHAN_HT20:
85
		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
86
	case NL80211_CHAN_HT40PLUS:
87
		return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
88
	case NL80211_CHAN_HT40MINUS:
89
		return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
90
	default:
91
		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
92 93 94
	}
}

95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
/* This function maps IEEE HT secondary channel type to NL80211 channel type
 */
u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset)
{
	switch (second_chan_offset) {
	case IEEE80211_HT_PARAM_CHA_SEC_NONE:
		return NL80211_CHAN_HT20;
	case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
		return NL80211_CHAN_HT40PLUS;
	case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
		return NL80211_CHAN_HT40MINUS;
	default:
		return NL80211_CHAN_HT20;
	}
}

111 112 113 114 115 116 117
/*
 * This function checks whether WEP is set.
 */
static int
mwifiex_is_alg_wep(u32 cipher)
{
	switch (cipher) {
118 119
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_WEP104:
120
		return 1;
121 122 123
	default:
		break;
	}
124 125

	return 0;
126 127 128 129 130
}

/*
 * This function retrieves the private structure from kernel wiphy structure.
 */
131
static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
132 133 134 135 136 137 138 139 140 141 142
{
	return (void *) (*(unsigned long *) wiphy_priv(wiphy));
}

/*
 * CFG802.11 operation handler to delete a network key.
 */
static int
mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
			 u8 key_index, bool pairwise, const u8 *mac_addr)
{
143
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
144 145
	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
146

147
	if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
148
		mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
149 150 151
		return -EFAULT;
	}

152
	mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
153 154 155
	return 0;
}

156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
/*
 * This function forms an skb for management frame.
 */
static int
mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
{
	u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
	u16 pkt_len;
	u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;

	pkt_len = len + ETH_ALEN;

	skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
		    MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
	memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));

	memcpy(skb_push(skb, sizeof(tx_control)),
	       &tx_control, sizeof(tx_control));

	memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));

	/* Add packet data and address4 */
	memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
	       sizeof(struct ieee80211_hdr_3addr));
	memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
	memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
	       buf + sizeof(struct ieee80211_hdr_3addr),
	       len - sizeof(struct ieee80211_hdr_3addr));

	skb->priority = LOW_PRIO_TID;
186
	__net_timestamp(skb);
187 188 189 190 191 192 193 194 195

	return 0;
}

/*
 * CFG802.11 operation handler to transmit a management frame.
 */
static int
mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
196
			 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
197
{
198 199
	const u8 *buf = params->buf;
	size_t len = params->len;
200 201 202
	struct sk_buff *skb;
	u16 pkt_len;
	const struct ieee80211_mgmt *mgmt;
203
	struct mwifiex_txinfo *tx_info;
204 205 206
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);

	if (!buf || !len) {
207
		mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
208 209 210 211 212 213 214 215
		return -EFAULT;
	}

	mgmt = (const struct ieee80211_mgmt *)buf;
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
	    ieee80211_is_probe_resp(mgmt->frame_control)) {
		/* Since we support offload probe resp, we need to skip probe
		 * resp in AP or GO mode */
216 217
		mwifiex_dbg(priv->adapter, INFO,
			    "info: skip to send probe resp in AP or GO mode\n");
218 219 220 221 222 223 224 225 226
		return 0;
	}

	pkt_len = len + ETH_ALEN;
	skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
			    MWIFIEX_MGMT_FRAME_HEADER_SIZE +
			    pkt_len + sizeof(pkt_len));

	if (!skb) {
227 228
		mwifiex_dbg(priv->adapter, ERROR,
			    "allocate skb failed for management frame\n");
229 230 231
		return -ENOMEM;
	}

232
	tx_info = MWIFIEX_SKB_TXCB(skb);
233
	memset(tx_info, 0, sizeof(*tx_info));
234 235
	tx_info->bss_num = priv->bss_num;
	tx_info->bss_type = priv->bss_type;
236
	tx_info->pkt_len = pkt_len;
237

238
	mwifiex_form_mgmt_frame(skb, buf, len);
239
	*cookie = prandom_u32() | 1;
240 241 242 243 244 245 246 247 248 249

	if (ieee80211_is_action(mgmt->frame_control))
		skb = mwifiex_clone_skb_for_tx_status(priv,
						      skb,
				MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
	else
		cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
					GFP_ATOMIC);

	mwifiex_queue_tx_pkt(priv, skb);
250

251
	mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
252 253 254
	return 0;
}

255 256 257 258 259 260 261 262 263
/*
 * CFG802.11 operation handler to register a mgmt frame.
 */
static void
mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     u16 frame_type, bool reg)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
264
	u32 mask;
265 266

	if (reg)
267
		mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
268
	else
269 270 271 272
		mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);

	if (mask != priv->mgmt_frame_mask) {
		priv->mgmt_frame_mask = mask;
273 274 275
		mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
				 HostCmd_ACT_GEN_SET, 0,
				 &priv->mgmt_frame_mask, false);
276
		mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
277
	}
278 279
}

280 281 282 283 284 285 286 287 288 289 290 291 292
/*
 * CFG802.11 operation handler to remain on channel.
 */
static int
mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
				   struct wireless_dev *wdev,
				   struct ieee80211_channel *chan,
				   unsigned int duration, u64 *cookie)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
	int ret;

	if (!chan || !cookie) {
293
		mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
294 295 296 297
		return -EINVAL;
	}

	if (priv->roc_cfg.cookie) {
298 299 300
		mwifiex_dbg(priv->adapter, INFO,
			    "info: ongoing ROC, cookie = 0x%llx\n",
			    priv->roc_cfg.cookie);
301 302 303 304
		return -EBUSY;
	}

	ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
305
					 duration);
306 307

	if (!ret) {
308
		*cookie = prandom_u32() | 1;
309 310 311
		priv->roc_cfg.cookie = *cookie;
		priv->roc_cfg.chan = *chan;

312
		cfg80211_ready_on_channel(wdev, *cookie, chan,
313 314
					  duration, GFP_ATOMIC);

315 316
		mwifiex_dbg(priv->adapter, INFO,
			    "info: ROC, cookie = 0x%llx\n", *cookie);
317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335
	}

	return ret;
}

/*
 * CFG802.11 operation handler to cancel remain on channel.
 */
static int
mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
					  struct wireless_dev *wdev, u64 cookie)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
	int ret;

	if (cookie != priv->roc_cfg.cookie)
		return -ENOENT;

	ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
336
					 &priv->roc_cfg.chan, 0);
337 338 339 340 341 342 343 344

	if (!ret) {
		cfg80211_remain_on_channel_expired(wdev, cookie,
						   &priv->roc_cfg.chan,
						   GFP_ATOMIC);

		memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));

345 346
		mwifiex_dbg(priv->adapter, INFO,
			    "info: cancel ROC, cookie = 0x%llx\n", cookie);
347 348 349 350 351
	}

	return ret;
}

352 353 354 355 356
/*
 * CFG802.11 operation handler to set Tx power.
 */
static int
mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
357
			      struct wireless_dev *wdev,
358
			      enum nl80211_tx_power_setting type,
359
			      int mbm)
360
{
361 362
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
363
	struct mwifiex_power_cfg power_cfg;
364
	int dbm = MBM_TO_DBM(mbm);
365

366 367 368 369 370 371 372
	if (type == NL80211_TX_POWER_FIXED) {
		power_cfg.is_power_auto = 0;
		power_cfg.power_level = dbm;
	} else {
		power_cfg.is_power_auto = 1;
	}

373 374
	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);

375
	return mwifiex_set_tx_power(priv, &power_cfg);
376 377 378 379 380 381 382 383 384 385 386 387
}

/*
 * CFG802.11 operation handler to set Power Save option.
 *
 * The timeout value, if provided, is currently ignored.
 */
static int
mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
				struct net_device *dev,
				bool enabled, int timeout)
{
388
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
389
	u32 ps_mode;
390 391

	if (timeout)
392 393
		mwifiex_dbg(priv->adapter, INFO,
			    "info: ignore timeout value for IEEE Power Save\n");
394

395
	ps_mode = enabled;
396

397
	return mwifiex_drv_set_power(priv, &ps_mode);
398 399 400 401 402 403 404 405 406 407
}

/*
 * CFG802.11 operation handler to set the default network key.
 */
static int
mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
				 u8 key_index, bool unicast,
				 bool multicast)
{
408
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
409

410
	/* Return if WEP key not configured */
411
	if (!priv->sec_info.wep_enabled)
412 413
		return 0;

414 415
	if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
		priv->wep_key_curr_index = key_index;
416 417
	} else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
				      NULL, 0)) {
418
		mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
419
		return -EFAULT;
420
	}
421 422 423 424 425 426 427 428 429 430 431 432

	return 0;
}

/*
 * CFG802.11 operation handler to add a network key.
 */
static int
mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
			 u8 key_index, bool pairwise, const u8 *mac_addr,
			 struct key_params *params)
{
433
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
434
	struct mwifiex_wep_key *wep_key;
435 436
	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
437

438 439 440 441 442 443 444 445 446 447 448 449 450 451 452
	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
	    (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
	     params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
		if (params->key && params->key_len) {
			wep_key = &priv->wep_key[key_index];
			memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
			memcpy(wep_key->key_material, params->key,
			       params->key_len);
			wep_key->key_index = key_index;
			wep_key->key_length = params->key_len;
			priv->sec_info.wep_enabled = 1;
		}
		return 0;
	}

453
	if (mwifiex_set_encode(priv, params, params->key, params->key_len,
454
			       key_index, peer_mac, 0)) {
455
		mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
456
		return -EFAULT;
457
	}
458 459 460 461 462 463 464 465 466 467 468

	return 0;
}

/*
 * This function sends domain information to the firmware.
 *
 * The following information are passed to the firmware -
 *      - Country codes
 *      - Sub bands (first channel, number of channels, maximum Tx power)
 */
469
int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
470 471 472 473 474 475 476 477 478
{
	u8 no_of_triplet = 0;
	struct ieee80211_country_ie_triplet *t;
	u8 no_of_parsed_chan = 0;
	u8 first_chan = 0, next_chan = 0, max_pwr = 0;
	u8 i, flag = 0;
	enum ieee80211_band band;
	struct ieee80211_supported_band *sband;
	struct ieee80211_channel *ch;
479 480
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
481 482 483
	struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;

	/* Set country code */
484 485
	domain_info->country_code[0] = adapter->country_code[0];
	domain_info->country_code[1] = adapter->country_code[1];
486 487 488 489
	domain_info->country_code[2] = ' ';

	band = mwifiex_band_to_radio_type(adapter->config_bands);
	if (!wiphy->bands[band]) {
490 491
		mwifiex_dbg(adapter, ERROR,
			    "11D: setting domain info in FW\n");
492 493 494 495 496 497 498 499 500 501 502 503 504 505
		return -1;
	}

	sband = wiphy->bands[band];

	for (i = 0; i < sband->n_channels ; i++) {
		ch = &sband->channels[i];
		if (ch->flags & IEEE80211_CHAN_DISABLED)
			continue;

		if (!flag) {
			flag = 1;
			first_chan = (u32) ch->hw_value;
			next_chan = first_chan;
506
			max_pwr = ch->max_power;
507 508 509 510 511
			no_of_parsed_chan = 1;
			continue;
		}

		if (ch->hw_value == next_chan + 1 &&
512
		    ch->max_power == max_pwr) {
513 514 515 516 517 518 519 520 521 522
			next_chan++;
			no_of_parsed_chan++;
		} else {
			t = &domain_info->triplet[no_of_triplet];
			t->chans.first_channel = first_chan;
			t->chans.num_channels = no_of_parsed_chan;
			t->chans.max_power = max_pwr;
			no_of_triplet++;
			first_chan = (u32) ch->hw_value;
			next_chan = first_chan;
523
			max_pwr = ch->max_power;
524 525 526 527 528 529 530 531 532 533 534 535 536
			no_of_parsed_chan = 1;
		}
	}

	if (flag) {
		t = &domain_info->triplet[no_of_triplet];
		t->chans.first_channel = first_chan;
		t->chans.num_channels = no_of_parsed_chan;
		t->chans.max_power = max_pwr;
		no_of_triplet++;
	}

	domain_info->no_of_triplet = no_of_triplet;
537

538 539
	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);

540 541
	if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
			     HostCmd_ACT_GEN_SET, 0, NULL, false)) {
542 543
		mwifiex_dbg(adapter, INFO,
			    "11D: setting domain info in FW\n");
544 545
		return -1;
	}
546

547
	return 0;
548 549 550 551 552 553 554 555 556 557 558 559
}

/*
 * CFG802.11 regulatory domain callback function.
 *
 * This function is called when the regulatory domain is changed due to the
 * following reasons -
 *      - Set by driver
 *      - Set by system core
 *      - Set by user
 *      - Set bt Country IE
 */
560 561
static void mwifiex_reg_notifier(struct wiphy *wiphy,
				 struct regulatory_request *request)
562
{
563
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
564 565
	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
							MWIFIEX_BSS_ROLE_ANY);
566 567 568
	mwifiex_dbg(adapter, INFO,
		    "info: cfg80211 regulatory domain callback for %c%c\n",
		    request->alpha2[0], request->alpha2[1]);
569 570 571 572 573 574 575

	switch (request->initiator) {
	case NL80211_REGDOM_SET_BY_DRIVER:
	case NL80211_REGDOM_SET_BY_CORE:
	case NL80211_REGDOM_SET_BY_USER:
	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
		break;
576
	default:
577 578 579
		mwifiex_dbg(adapter, ERROR,
			    "unknown regdom initiator: %d\n",
			    request->initiator);
580 581 582 583 584 585 586 587 588 589
		return;
	}

	/* Don't send world or same regdom info to firmware */
	if (strncmp(request->alpha2, "00", 2) &&
	    strncmp(request->alpha2, adapter->country_code,
		    sizeof(request->alpha2))) {
		memcpy(adapter->country_code, request->alpha2,
		       sizeof(request->alpha2));
		mwifiex_send_domain_info_cmd_fw(wiphy);
590
		mwifiex_dnld_txpwr_table(priv);
591 592 593 594 595 596
	}
}

/*
 * This function sets the fragmentation threshold.
 *
597
 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
598 599 600 601 602
 * and MWIFIEX_FRAG_MAX_VALUE.
 */
static int
mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
{
603 604
	if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
	    frag_thr > MWIFIEX_FRAG_MAX_VALUE)
605
		frag_thr = MWIFIEX_FRAG_MAX_VALUE;
606

607 608 609
	return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
				HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
				&frag_thr, true);
610 611 612 613
}

/*
 * This function sets the RTS threshold.
614 615 616

 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
 * and MWIFIEX_RTS_MAX_VALUE.
617 618 619 620 621 622 623
 */
static int
mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
{
	if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
		rts_thr = MWIFIEX_RTS_MAX_VALUE;

624 625 626
	return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
				HostCmd_ACT_GEN_SET, RTS_THRESH_I,
				&rts_thr, true);
627 628 629 630 631 632 633 634 635 636 637
}

/*
 * CFG802.11 operation handler to set wiphy parameters.
 *
 * This function can be used to set the RTS threshold and the
 * Fragmentation threshold of the driver.
 */
static int
mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
638
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
639 640
	struct mwifiex_private *priv;
	struct mwifiex_uap_bss_param *bss_cfg;
641 642 643
	int ret;

	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
644

645 646 647
	switch (priv->bss_role) {
	case MWIFIEX_BSS_ROLE_UAP:
		if (priv->bss_started) {
648 649
			mwifiex_dbg(adapter, ERROR,
				    "cannot change wiphy params when bss started");
650 651
			return -EINVAL;
		}
652

653 654 655
		bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
		if (!bss_cfg)
			return -ENOMEM;
656

657
		mwifiex_set_sys_config_invalid_data(bss_cfg);
658

659 660 661 662 663 664
		if (changed & WIPHY_PARAM_RTS_THRESHOLD)
			bss_cfg->rts_threshold = wiphy->rts_threshold;
		if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
			bss_cfg->frag_threshold = wiphy->frag_threshold;
		if (changed & WIPHY_PARAM_RETRY_LONG)
			bss_cfg->retry_limit = wiphy->retry_long;
665

666 667 668 669 670 671 672
		ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
				       HostCmd_ACT_GEN_SET,
				       UAP_BSS_PARAMS_I, bss_cfg,
				       false);

		kfree(bss_cfg);
		if (ret) {
673 674
			mwifiex_dbg(adapter, ERROR,
				    "Failed to set wiphy phy params\n");
675 676 677
			return ret;
		}
		break;
678 679

		case MWIFIEX_BSS_ROLE_STA:
680
		if (priv->media_connected) {
681 682
			mwifiex_dbg(adapter, ERROR,
				    "cannot change wiphy params when connected");
683 684 685 686 687 688 689
			return -EINVAL;
		}
		if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
			ret = mwifiex_set_rts(priv,
					      wiphy->rts_threshold);
			if (ret)
				return ret;
690
		}
691 692 693 694 695 696 697
		if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
			ret = mwifiex_set_frag(priv,
					       wiphy->frag_threshold);
			if (ret)
				return ret;
		}
		break;
698 699 700
	}

	return 0;
701 702
}

703 704 705 706 707
static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
	u16 mode = P2P_MODE_DISABLE;

708 709
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728
		return -1;

	return 0;
}

/*
 * This function initializes the functionalities for P2P client.
 * The P2P client initialization sequence is:
 * disable -> device -> client
 */
static int
mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
{
	u16 mode;

	if (mwifiex_cfg80211_deinit_p2p(priv))
		return -1;

	mode = P2P_MODE_DEVICE;
729 730
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
731 732 733
		return -1;

	mode = P2P_MODE_CLIENT;
734 735
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
736 737 738 739 740
		return -1;

	return 0;
}

741 742 743 744 745 746 747 748 749 750 751 752 753 754
/*
 * This function initializes the functionalities for P2P GO.
 * The P2P GO initialization sequence is:
 * disable -> device -> GO
 */
static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
{
	u16 mode;

	if (mwifiex_cfg80211_deinit_p2p(priv))
		return -1;

	mode = P2P_MODE_DEVICE;
755 756
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
757 758 759
		return -1;

	mode = P2P_MODE_GO;
760 761
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
762 763
		return -1;

764 765 766 767 768
	return 0;
}

static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
{
769 770 771
	struct mwifiex_adapter *adapter = priv->adapter;
	unsigned long flags;

772 773 774 775
	priv->mgmt_frame_mask = 0;
	if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
			     HostCmd_ACT_GEN_SET, 0,
			     &priv->mgmt_frame_mask, false)) {
776 777
		mwifiex_dbg(adapter, ERROR,
			    "could not unregister mgmt frame rx\n");
778 779 780 781
		return -1;
	}

	mwifiex_deauthenticate(priv, NULL);
782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800

	spin_lock_irqsave(&adapter->main_proc_lock, flags);
	adapter->main_locked = true;
	if (adapter->mwifiex_processing) {
		spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
		flush_workqueue(adapter->workqueue);
	} else {
		spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
	}

	spin_lock_irqsave(&adapter->rx_proc_lock, flags);
	adapter->rx_locked = true;
	if (adapter->rx_processing) {
		spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
		flush_workqueue(adapter->rx_workqueue);
	} else {
	spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
	}

801 802 803 804 805 806 807 808 809 810 811 812 813
	mwifiex_free_priv(priv);
	priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
	priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;

	return 0;
}

static int
mwifiex_init_new_priv_params(struct mwifiex_private *priv,
			     struct net_device *dev,
			     enum nl80211_iftype type)
{
814 815 816
	struct mwifiex_adapter *adapter = priv->adapter;
	unsigned long flags;

817 818 819 820 821 822 823 824 825 826 827
	mwifiex_init_priv(priv);

	priv->bss_mode = type;
	priv->wdev.iftype = type;

	mwifiex_init_priv_params(priv, priv->netdev);
	priv->bss_started = 0;

	switch (type) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
S
Shengzhen Li 已提交
828 829
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_STA);
830 831 832 833
		priv->bss_role =  MWIFIEX_BSS_ROLE_STA;
		priv->bss_type = MWIFIEX_BSS_TYPE_STA;
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
S
Shengzhen Li 已提交
834 835
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_P2P);
836 837 838
		priv->bss_role =  MWIFIEX_BSS_ROLE_STA;
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
		break;
839
	case NL80211_IFTYPE_P2P_GO:
S
Shengzhen Li 已提交
840 841
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_P2P);
842 843 844
		priv->bss_role =  MWIFIEX_BSS_ROLE_UAP;
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
		break;
845
	case NL80211_IFTYPE_AP:
S
Shengzhen Li 已提交
846 847
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_UAP);
848 849 850 851
		priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
		priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
		break;
	default:
852 853 854
		mwifiex_dbg(adapter, ERROR,
			    "%s: changing to %d not supported\n",
			    dev->name, type);
855 856
		return -EOPNOTSUPP;
	}
857

858 859 860 861 862 863 864 865
	spin_lock_irqsave(&adapter->main_proc_lock, flags);
	adapter->main_locked = false;
	spin_unlock_irqrestore(&adapter->main_proc_lock, flags);

	spin_lock_irqsave(&adapter->rx_proc_lock, flags);
	adapter->rx_locked = false;
	spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);

866 867 868
	return 0;
}

869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886
static int
mwifiex_change_vif_to_p2p(struct net_device *dev,
			  enum nl80211_iftype curr_iftype,
			  enum nl80211_iftype type, u32 *flags,
			  struct vif_params *params)
{
	struct mwifiex_private *priv;
	struct mwifiex_adapter *adapter;

	priv = mwifiex_netdev_get_priv(dev);

	if (!priv)
		return -1;

	adapter = priv->adapter;

	if (adapter->curr_iface_comb.p2p_intf ==
	    adapter->iface_limit.p2p_intf) {
887 888
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple P2P ifaces\n");
889 890 891
		return -1;
	}

892 893
	mwifiex_dbg(adapter, INFO,
		    "%s: changing role to p2p\n", dev->name);
894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909

	if (mwifiex_deinit_priv_params(priv))
		return -1;
	if (mwifiex_init_new_priv_params(priv, dev, type))
		return -1;

	switch (type) {
	case NL80211_IFTYPE_P2P_CLIENT:
		if (mwifiex_cfg80211_init_p2p_client(priv))
			return -EFAULT;
		break;
	case NL80211_IFTYPE_P2P_GO:
		if (mwifiex_cfg80211_init_p2p_go(priv))
			return -EFAULT;
		break;
	default:
910 911 912
		mwifiex_dbg(adapter, ERROR,
			    "%s: changing to %d not supported\n",
			    dev->name, type);
913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960
		return -EOPNOTSUPP;
	}

	if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
			     HostCmd_ACT_GEN_SET, 0, NULL, true))
		return -1;

	if (mwifiex_sta_init_cmd(priv, false, false))
		return -1;

	switch (curr_iftype) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
		adapter->curr_iface_comb.sta_intf--;
		break;
	case NL80211_IFTYPE_AP:
		adapter->curr_iface_comb.uap_intf--;
		break;
	default:
		break;
	}

	adapter->curr_iface_comb.p2p_intf++;
	dev->ieee80211_ptr->iftype = type;

	return 0;
}

static int
mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
				enum nl80211_iftype curr_iftype,
				enum nl80211_iftype type, u32 *flags,
				struct vif_params *params)
{
	struct mwifiex_private *priv;
	struct mwifiex_adapter *adapter;

	priv = mwifiex_netdev_get_priv(dev);

	if (!priv)
		return -1;

	adapter = priv->adapter;

	if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
	     curr_iftype != NL80211_IFTYPE_P2P_GO) &&
	    (adapter->curr_iface_comb.sta_intf ==
	     adapter->iface_limit.sta_intf)) {
961 962
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple station/adhoc ifaces\n");
963 964 965 966
		return -1;
	}

	if (type == NL80211_IFTYPE_STATION)
967 968
		mwifiex_dbg(adapter, INFO,
			    "%s: changing role to station\n", dev->name);
969
	else
970 971
		mwifiex_dbg(adapter, INFO,
			    "%s: changing role to adhoc\n", dev->name);
972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017

	if (mwifiex_deinit_priv_params(priv))
		return -1;
	if (mwifiex_init_new_priv_params(priv, dev, type))
		return -1;
	if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
			     HostCmd_ACT_GEN_SET, 0, NULL, true))
		return -1;
	if (mwifiex_sta_init_cmd(priv, false, false))
		return -1;

	switch (curr_iftype) {
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
		adapter->curr_iface_comb.p2p_intf--;
		break;
	case NL80211_IFTYPE_AP:
		adapter->curr_iface_comb.uap_intf--;
		break;
	default:
		break;
	}

	adapter->curr_iface_comb.sta_intf++;
	dev->ieee80211_ptr->iftype = type;
	return 0;
}

static int
mwifiex_change_vif_to_ap(struct net_device *dev,
			 enum nl80211_iftype curr_iftype,
			 enum nl80211_iftype type, u32 *flags,
			 struct vif_params *params)
{
	struct mwifiex_private *priv;
	struct mwifiex_adapter *adapter;

	priv = mwifiex_netdev_get_priv(dev);

	if (!priv)
		return -1;

	adapter = priv->adapter;

	if (adapter->curr_iface_comb.uap_intf ==
	    adapter->iface_limit.uap_intf) {
1018 1019
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple AP ifaces\n");
1020 1021 1022
		return -1;
	}

1023 1024
	mwifiex_dbg(adapter, INFO,
		    "%s: changing role to AP\n", dev->name);
1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052

	if (mwifiex_deinit_priv_params(priv))
		return -1;
	if (mwifiex_init_new_priv_params(priv, dev, type))
		return -1;
	if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
			     HostCmd_ACT_GEN_SET, 0, NULL, true))
		return -1;
	if (mwifiex_sta_init_cmd(priv, false, false))
		return -1;

	switch (curr_iftype) {
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
		adapter->curr_iface_comb.p2p_intf--;
		break;
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
		adapter->curr_iface_comb.sta_intf--;
		break;
	default:
		break;
	}

	adapter->curr_iface_comb.uap_intf++;
	dev->ieee80211_ptr->iftype = type;
	return 0;
}
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062
/*
 * CFG802.11 operation handler to change interface type.
 */
static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
				     struct net_device *dev,
				     enum nl80211_iftype type, u32 *flags,
				     struct vif_params *params)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1063
	enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1064

1065
	switch (curr_iftype) {
1066
	case NL80211_IFTYPE_ADHOC:
1067 1068
		switch (type) {
		case NL80211_IFTYPE_STATION:
1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
			priv->bss_mode = type;
			priv->sec_info.authentication_mode =
						   NL80211_AUTHTYPE_OPEN_SYSTEM;
			dev->ieee80211_ptr->iftype = type;
			mwifiex_deauthenticate(priv, NULL);
			return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
						HostCmd_ACT_GEN_SET, 0, NULL,
						true);
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
							 type, flags, params);
		case NL80211_IFTYPE_AP:
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
							flags, params);
1084
		case NL80211_IFTYPE_UNSPECIFIED:
1085 1086
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as IBSS\n", dev->name);
1087 1088 1089
		case NL80211_IFTYPE_ADHOC:	/* This shouldn't happen */
			return 0;
		default:
1090 1091 1092
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1093 1094
			return -EOPNOTSUPP;
		}
1095 1096
		break;
	case NL80211_IFTYPE_STATION:
1097 1098
		switch (type) {
		case NL80211_IFTYPE_ADHOC:
1099 1100 1101
			priv->bss_mode = type;
			priv->sec_info.authentication_mode =
						   NL80211_AUTHTYPE_OPEN_SYSTEM;
1102
			dev->ieee80211_ptr->iftype = type;
1103 1104 1105 1106 1107
			mwifiex_deauthenticate(priv, NULL);
			return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
						HostCmd_ACT_GEN_SET, 0, NULL,
						true);
		case NL80211_IFTYPE_P2P_CLIENT:
1108
		case NL80211_IFTYPE_P2P_GO:
1109 1110 1111 1112 1113
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
							 type, flags, params);
		case NL80211_IFTYPE_AP:
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
							flags, params);
1114
		case NL80211_IFTYPE_UNSPECIFIED:
1115 1116
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as STA\n", dev->name);
1117 1118 1119
		case NL80211_IFTYPE_STATION:	/* This shouldn't happen */
			return 0;
		default:
1120 1121 1122
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1123 1124 1125 1126 1127
			return -EOPNOTSUPP;
		}
		break;
	case NL80211_IFTYPE_AP:
		switch (type) {
1128 1129 1130 1131 1132 1133 1134 1135 1136 1137
		case NL80211_IFTYPE_ADHOC:
		case NL80211_IFTYPE_STATION:
			return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
							       type, flags,
							       params);
			break;
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
							 type, flags, params);
1138
		case NL80211_IFTYPE_UNSPECIFIED:
1139 1140
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as AP\n", dev->name);
1141 1142 1143
		case NL80211_IFTYPE_AP:		/* This shouldn't happen */
			return 0;
		default:
1144 1145 1146
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1147 1148
			return -EOPNOTSUPP;
		}
1149
		break;
1150
	case NL80211_IFTYPE_P2P_CLIENT:
1151
	case NL80211_IFTYPE_P2P_GO:
1152 1153
		switch (type) {
		case NL80211_IFTYPE_STATION:
1154
			if (mwifiex_cfg80211_deinit_p2p(priv))
1155
				return -EFAULT;
1156 1157
			priv->adapter->curr_iface_comb.p2p_intf--;
			priv->adapter->curr_iface_comb.sta_intf++;
1158
			dev->ieee80211_ptr->iftype = type;
1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172
			break;
		case NL80211_IFTYPE_ADHOC:
			if (mwifiex_cfg80211_deinit_p2p(priv))
				return -EFAULT;
			return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
							       type, flags,
							       params);
			break;
		case NL80211_IFTYPE_AP:
			if (mwifiex_cfg80211_deinit_p2p(priv))
				return -EFAULT;
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
							flags, params);
		case NL80211_IFTYPE_UNSPECIFIED:
1173 1174
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as P2P\n", dev->name);
1175 1176
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
1177 1178
			return 0;
		default:
1179 1180 1181
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1182 1183 1184
			return -EOPNOTSUPP;
		}
		break;
1185
	default:
1186 1187 1188
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: unknown iftype: %d\n",
			    dev->name, dev->ieee80211_ptr->iftype);
1189
		return -EOPNOTSUPP;
1190 1191
	}

1192

1193
	return 0;
1194 1195
}

1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218
static void
mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
		     struct rate_info *rate)
{
	struct mwifiex_adapter *adapter = priv->adapter;

	if (adapter->is_hw_11ac_capable) {
		/* bit[1-0]: 00=LG 01=HT 10=VHT */
		if (tx_htinfo & BIT(0)) {
			/* HT */
			rate->mcs = priv->tx_rate;
			rate->flags |= RATE_INFO_FLAGS_MCS;
		}
		if (tx_htinfo & BIT(1)) {
			/* VHT */
			rate->mcs = priv->tx_rate & 0x0F;
			rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
		}

		if (tx_htinfo & (BIT(1) | BIT(0))) {
			/* HT or VHT */
			switch (tx_htinfo & (BIT(3) | BIT(2))) {
			case 0:
1219
				rate->bw = RATE_INFO_BW_20;
1220 1221
				break;
			case (BIT(2)):
1222
				rate->bw = RATE_INFO_BW_40;
1223 1224
				break;
			case (BIT(3)):
1225
				rate->bw = RATE_INFO_BW_80;
1226 1227
				break;
			case (BIT(3) | BIT(2)):
1228
				rate->bw = RATE_INFO_BW_160;
1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
				break;
			}

			if (tx_htinfo & BIT(4))
				rate->flags |= RATE_INFO_FLAGS_SHORT_GI;

			if ((priv->tx_rate >> 4) == 1)
				rate->nss = 2;
			else
				rate->nss = 1;
		}
	} else {
		/*
		 * Bit 0 in tx_htinfo indicates that current Tx rate
		 * is 11n rate. Valid MCS index values for us are 0 to 15.
		 */
		if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
			rate->mcs = priv->tx_rate;
			rate->flags |= RATE_INFO_FLAGS_MCS;
1248
			rate->bw = RATE_INFO_BW_20;
1249
			if (tx_htinfo & BIT(1))
1250
				rate->bw = RATE_INFO_BW_40;
1251 1252 1253 1254 1255 1256
			if (tx_htinfo & BIT(2))
				rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
		}
	}
}

1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269
/*
 * This function dumps the station information on a buffer.
 *
 * The following information are shown -
 *      - Total bytes transmitted
 *      - Total bytes received
 *      - Total packets transmitted
 *      - Total packets received
 *      - Signal quality level
 *      - Transmission rate
 */
static int
mwifiex_dump_station_info(struct mwifiex_private *priv,
1270
			  struct mwifiex_sta_node *node,
1271 1272
			  struct station_info *sinfo)
{
1273
	u32 rate;
1274

1275 1276 1277 1278
	sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
			BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
			BIT(NL80211_STA_INFO_TX_BITRATE) |
			BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
1279

1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303
	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
		if (!node)
			return -ENOENT;

		sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
				BIT(NL80211_STA_INFO_TX_FAILED);
		sinfo->inactive_time =
			jiffies_to_msecs(jiffies - node->stats.last_rx);

		sinfo->signal = node->stats.rssi;
		sinfo->signal_avg = node->stats.rssi;
		sinfo->rx_bytes = node->stats.rx_bytes;
		sinfo->tx_bytes = node->stats.tx_bytes;
		sinfo->rx_packets = node->stats.rx_packets;
		sinfo->tx_packets = node->stats.tx_packets;
		sinfo->tx_failed = node->stats.tx_failed;

		mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
				     &sinfo->txrate);
		sinfo->txrate.legacy = node->stats.last_tx_rate * 5;

		return 0;
	}

1304
	/* Get signal information from the firmware */
1305 1306
	if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
			     HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1307 1308
		mwifiex_dbg(priv->adapter, ERROR,
			    "failed to get signal information\n");
1309
		return -EFAULT;
1310 1311 1312
	}

	if (mwifiex_drv_get_data_rate(priv, &rate)) {
1313 1314
		mwifiex_dbg(priv->adapter, ERROR,
			    "getting data rate error\n");
1315
		return -EFAULT;
1316 1317
	}

1318
	/* Get DTIM period information from firmware */
1319 1320 1321
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
			 &priv->dtim_period, true);
1322

1323
	mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1324

1325
	sinfo->signal_avg = priv->bcn_rssi_avg;
1326 1327 1328 1329
	sinfo->rx_bytes = priv->stats.rx_bytes;
	sinfo->tx_bytes = priv->stats.tx_bytes;
	sinfo->rx_packets = priv->stats.rx_packets;
	sinfo->tx_packets = priv->stats.tx_packets;
1330
	sinfo->signal = priv->bcn_rssi_avg;
1331
	/* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1332
	sinfo->txrate.legacy = rate * 5;
1333

1334
	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1335
		sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1336 1337 1338 1339 1340 1341 1342 1343 1344
		sinfo->bss_param.flags = 0;
		if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
						WLAN_CAPABILITY_SHORT_PREAMBLE)
			sinfo->bss_param.flags |=
					BSS_PARAM_FLAGS_SHORT_PREAMBLE;
		if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
						WLAN_CAPABILITY_SHORT_SLOT_TIME)
			sinfo->bss_param.flags |=
					BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1345
		sinfo->bss_param.dtim_period = priv->dtim_period;
1346 1347 1348 1349
		sinfo->bss_param.beacon_interval =
			priv->curr_bss_params.bss_descriptor.beacon_period;
	}

1350
	return 0;
1351 1352 1353 1354 1355 1356 1357 1358 1359 1360
}

/*
 * CFG802.11 operation handler to get station information.
 *
 * This function only works in connected mode, and dumps the
 * requested station information, if available.
 */
static int
mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1361
			     const u8 *mac, struct station_info *sinfo)
1362 1363 1364 1365 1366 1367 1368 1369
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (!priv->media_connected)
		return -ENOENT;
	if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
		return -ENOENT;

1370
	return mwifiex_dump_station_info(priv, NULL, sinfo);
1371 1372
}

1373 1374 1375 1376 1377 1378 1379 1380
/*
 * CFG802.11 operation handler to dump station information.
 */
static int
mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
			      int idx, u8 *mac, struct station_info *sinfo)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394
	static struct mwifiex_sta_node *node;

	if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
	    priv->media_connected && idx == 0) {
		ether_addr_copy(mac, priv->cfg_bssid);
		return mwifiex_dump_station_info(priv, NULL, sinfo);
	} else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
		mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
				 HostCmd_ACT_GEN_GET, 0, NULL, true);

		if (node && (&node->list == &priv->sta_list)) {
			node = NULL;
			return -ENOENT;
		}
1395

1396 1397 1398 1399 1400 1401
		node = list_prepare_entry(node, &priv->sta_list, list);
		list_for_each_entry_continue(node, &priv->sta_list, list) {
			ether_addr_copy(mac, node->mac_addr);
			return mwifiex_dump_station_info(priv, node, sinfo);
		}
	}
1402

1403
	return -ENOENT;
1404 1405
}

1406 1407 1408 1409 1410 1411 1412 1413
static int
mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
			     int idx, struct survey_info *survey)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
	enum ieee80211_band band;

1414
	mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443

	memset(survey, 0, sizeof(struct survey_info));

	if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
	    priv->media_connected && idx == 0) {
			u8 curr_bss_band = priv->curr_bss_params.band;
			u32 chan = priv->curr_bss_params.bss_descriptor.channel;

			band = mwifiex_band_to_radio_type(curr_bss_band);
			survey->channel = ieee80211_get_channel(wiphy,
				ieee80211_channel_to_frequency(chan, band));

			if (priv->bcn_nf_last) {
				survey->filled = SURVEY_INFO_NOISE_DBM;
				survey->noise = priv->bcn_nf_last;
			}
			return 0;
	}

	if (idx >= priv->adapter->num_in_chan_stats)
		return -ENOENT;

	if (!pchan_stats[idx].cca_scan_dur)
		return 0;

	band = pchan_stats[idx].bandcfg;
	survey->channel = ieee80211_get_channel(wiphy,
	    ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
	survey->filled = SURVEY_INFO_NOISE_DBM |
1444 1445
			 SURVEY_INFO_TIME |
			 SURVEY_INFO_TIME_BUSY;
1446
	survey->noise = pchan_stats[idx].noise;
1447 1448
	survey->time = pchan_stats[idx].cca_scan_dur;
	survey->time_busy = pchan_stats[idx].cca_busy_dur;
1449 1450 1451 1452

	return 0;
}

1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490
/* Supported rates to be advertised to the cfg80211 */
static struct ieee80211_rate mwifiex_rates[] = {
	{.bitrate = 10, .hw_value = 2, },
	{.bitrate = 20, .hw_value = 4, },
	{.bitrate = 55, .hw_value = 11, },
	{.bitrate = 110, .hw_value = 22, },
	{.bitrate = 60, .hw_value = 12, },
	{.bitrate = 90, .hw_value = 18, },
	{.bitrate = 120, .hw_value = 24, },
	{.bitrate = 180, .hw_value = 36, },
	{.bitrate = 240, .hw_value = 48, },
	{.bitrate = 360, .hw_value = 72, },
	{.bitrate = 480, .hw_value = 96, },
	{.bitrate = 540, .hw_value = 108, },
};

/* Channel definitions to be advertised to cfg80211 */
static struct ieee80211_channel mwifiex_channels_2ghz[] = {
	{.center_freq = 2412, .hw_value = 1, },
	{.center_freq = 2417, .hw_value = 2, },
	{.center_freq = 2422, .hw_value = 3, },
	{.center_freq = 2427, .hw_value = 4, },
	{.center_freq = 2432, .hw_value = 5, },
	{.center_freq = 2437, .hw_value = 6, },
	{.center_freq = 2442, .hw_value = 7, },
	{.center_freq = 2447, .hw_value = 8, },
	{.center_freq = 2452, .hw_value = 9, },
	{.center_freq = 2457, .hw_value = 10, },
	{.center_freq = 2462, .hw_value = 11, },
	{.center_freq = 2467, .hw_value = 12, },
	{.center_freq = 2472, .hw_value = 13, },
	{.center_freq = 2484, .hw_value = 14, },
};

static struct ieee80211_supported_band mwifiex_band_2ghz = {
	.channels = mwifiex_channels_2ghz,
	.n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
	.bitrates = mwifiex_rates,
1491
	.n_bitrates = ARRAY_SIZE(mwifiex_rates),
1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
};

static struct ieee80211_channel mwifiex_channels_5ghz[] = {
	{.center_freq = 5040, .hw_value = 8, },
	{.center_freq = 5060, .hw_value = 12, },
	{.center_freq = 5080, .hw_value = 16, },
	{.center_freq = 5170, .hw_value = 34, },
	{.center_freq = 5190, .hw_value = 38, },
	{.center_freq = 5210, .hw_value = 42, },
	{.center_freq = 5230, .hw_value = 46, },
	{.center_freq = 5180, .hw_value = 36, },
	{.center_freq = 5200, .hw_value = 40, },
	{.center_freq = 5220, .hw_value = 44, },
	{.center_freq = 5240, .hw_value = 48, },
	{.center_freq = 5260, .hw_value = 52, },
	{.center_freq = 5280, .hw_value = 56, },
	{.center_freq = 5300, .hw_value = 60, },
	{.center_freq = 5320, .hw_value = 64, },
	{.center_freq = 5500, .hw_value = 100, },
	{.center_freq = 5520, .hw_value = 104, },
	{.center_freq = 5540, .hw_value = 108, },
	{.center_freq = 5560, .hw_value = 112, },
	{.center_freq = 5580, .hw_value = 116, },
	{.center_freq = 5600, .hw_value = 120, },
	{.center_freq = 5620, .hw_value = 124, },
	{.center_freq = 5640, .hw_value = 128, },
	{.center_freq = 5660, .hw_value = 132, },
	{.center_freq = 5680, .hw_value = 136, },
	{.center_freq = 5700, .hw_value = 140, },
	{.center_freq = 5745, .hw_value = 149, },
	{.center_freq = 5765, .hw_value = 153, },
	{.center_freq = 5785, .hw_value = 157, },
	{.center_freq = 5805, .hw_value = 161, },
	{.center_freq = 5825, .hw_value = 165, },
};

static struct ieee80211_supported_band mwifiex_band_5ghz = {
	.channels = mwifiex_channels_5ghz,
	.n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1531 1532
	.bitrates = mwifiex_rates + 4,
	.n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1533 1534 1535 1536 1537 1538 1539 1540 1541
};


/* Supported crypto cipher suits to be advertised to cfg80211 */
static const u32 mwifiex_cipher_suites[] = {
	WLAN_CIPHER_SUITE_WEP40,
	WLAN_CIPHER_SUITE_WEP104,
	WLAN_CIPHER_SUITE_TKIP,
	WLAN_CIPHER_SUITE_CCMP,
1542
	WLAN_CIPHER_SUITE_SMS4,
1543
	WLAN_CIPHER_SUITE_AES_CMAC,
1544 1545
};

1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574
/* Supported mgmt frame types to be advertised to cfg80211 */
static const struct ieee80211_txrx_stypes
mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
	[NL80211_IFTYPE_STATION] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
	[NL80211_IFTYPE_AP] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
	[NL80211_IFTYPE_P2P_CLIENT] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
	[NL80211_IFTYPE_P2P_GO] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
};

1575 1576 1577
/*
 * CFG802.11 operation handler for setting bit rates.
 *
1578 1579
 * Function configures data rates to firmware using bitrate mask
 * provided by cfg80211.
1580 1581 1582 1583 1584 1585 1586
 */
static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
				struct net_device *dev,
				const u8 *peer,
				const struct cfg80211_bitrate_mask *mask)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1587 1588
	u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
	enum ieee80211_band band;
1589
	struct mwifiex_adapter *adapter = priv->adapter;
1590

1591
	if (!priv->media_connected) {
1592 1593
		mwifiex_dbg(adapter, ERROR,
			    "Can not set Tx data rate in disconnected state\n");
1594
		return -EINVAL;
1595 1596
	}

1597
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1598

1599
	memset(bitmap_rates, 0, sizeof(bitmap_rates));
1600

1601 1602 1603
	/* Fill HR/DSSS rates. */
	if (band == IEEE80211_BAND_2GHZ)
		bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1604

1605 1606 1607 1608 1609 1610
	/* Fill OFDM rates */
	if (band == IEEE80211_BAND_2GHZ)
		bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
	else
		bitmap_rates[1] = mask->control[band].legacy;

1611 1612
	/* Fill HT MCS rates */
	bitmap_rates[2] = mask->control[band].ht_mcs[0];
1613
	if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1614
		bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1615

1616 1617 1618 1619 1620 1621 1622
       /* Fill VHT MCS rates */
	if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
		bitmap_rates[10] = mask->control[band].vht_mcs[0];
		if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
			bitmap_rates[11] = mask->control[band].vht_mcs[1];
	}

1623 1624
	return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
				HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1625 1626
}

1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652
/*
 * CFG802.11 operation handler for connection quality monitoring.
 *
 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
 * events to FW.
 */
static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
						struct net_device *dev,
						s32 rssi_thold, u32 rssi_hyst)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_ds_misc_subsc_evt subsc_evt;

	priv->cqm_rssi_thold = rssi_thold;
	priv->cqm_rssi_hyst = rssi_hyst;

	memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
	subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;

	/* Subscribe/unsubscribe low and high rssi events */
	if (rssi_thold && rssi_hyst) {
		subsc_evt.action = HostCmd_ACT_BITWISE_SET;
		subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
		subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
		subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
		subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1653 1654 1655
		return mwifiex_send_cmd(priv,
					HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					0, 0, &subsc_evt, true);
1656 1657
	} else {
		subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1658 1659 1660
		return mwifiex_send_cmd(priv,
					HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					0, 0, &subsc_evt, true);
1661 1662 1663 1664 1665
	}

	return 0;
}

1666 1667 1668 1669 1670 1671 1672 1673 1674
/* cfg80211 operation handler for change_beacon.
 * Function retrieves and sets modified management IEs to FW.
 */
static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
					  struct net_device *dev,
					  struct cfg80211_beacon_data *data)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

1675
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1676 1677
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: bss_type mismatched\n", __func__);
1678 1679 1680 1681
		return -EINVAL;
	}

	if (!priv->bss_started) {
1682 1683
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: bss not started\n", __func__);
1684 1685 1686 1687
		return -EINVAL;
	}

	if (mwifiex_set_mgmt_ies(priv, data)) {
1688 1689
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: setting mgmt ies failed\n", __func__);
1690 1691 1692 1693 1694 1695
		return -EFAULT;
	}

	return 0;
}

A
Avinash Patil 已提交
1696 1697 1698 1699 1700 1701 1702 1703
/* cfg80211 operation handler for del_station.
 * Function deauthenticates station which value is provided in mac parameter.
 * If mac is NULL/broadcast, all stations in associated station list are
 * deauthenticated. If bss is not started or there are no stations in
 * associated stations list, no action is taken.
 */
static int
mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1704
			     struct station_del_parameters *params)
A
Avinash Patil 已提交
1705 1706 1707
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_sta_node *sta_node;
1708
	u8 deauth_mac[ETH_ALEN];
A
Avinash Patil 已提交
1709 1710 1711 1712 1713
	unsigned long flags;

	if (list_empty(&priv->sta_list) || !priv->bss_started)
		return 0;

1714 1715 1716
	if (!params->mac || is_broadcast_ether_addr(params->mac))
		return 0;

1717 1718
	mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
		    __func__, params->mac);
1719

1720
	eth_zero_addr(deauth_mac);
1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732

	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
	sta_node = mwifiex_get_sta_entry(priv, params->mac);
	if (sta_node)
		ether_addr_copy(deauth_mac, params->mac);
	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);

	if (is_valid_ether_addr(deauth_mac)) {
		if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
				     HostCmd_ACT_GEN_SET, 0,
				     deauth_mac, true))
			return -1;
A
Avinash Patil 已提交
1733 1734 1735 1736 1737
	}

	return 0;
}

1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764
static int
mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
							MWIFIEX_BSS_ROLE_ANY);
	struct mwifiex_ds_ant_cfg ant_cfg;

	if (!tx_ant || !rx_ant)
		return -EOPNOTSUPP;

	if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
		/* Not a MIMO chip. User should provide specific antenna number
		 * for Tx/Rx path or enable all antennas for diversity
		 */
		if (tx_ant != rx_ant)
			return -EOPNOTSUPP;

		if ((tx_ant & (tx_ant - 1)) &&
		    (tx_ant != BIT(adapter->number_of_antenna) - 1))
			return -EOPNOTSUPP;

		if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
		    (priv->adapter->number_of_antenna > 1)) {
			tx_ant = RF_ANTENNA_AUTO;
			rx_ant = RF_ANTENNA_AUTO;
		}
1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791
	} else {
		struct ieee80211_sta_ht_cap *ht_info;
		int rx_mcs_supp;
		enum ieee80211_band band;

		if ((tx_ant == 0x1 && rx_ant == 0x1)) {
			adapter->user_dev_mcs_support = HT_STREAM_1X1;
			if (adapter->is_hw_11ac_capable)
				adapter->usr_dot_11ac_mcs_support =
						MWIFIEX_11AC_MCS_MAP_1X1;
		} else {
			adapter->user_dev_mcs_support = HT_STREAM_2X2;
			if (adapter->is_hw_11ac_capable)
				adapter->usr_dot_11ac_mcs_support =
						MWIFIEX_11AC_MCS_MAP_2X2;
		}

		for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
			if (!adapter->wiphy->bands[band])
				continue;

			ht_info = &adapter->wiphy->bands[band]->ht_cap;
			rx_mcs_supp =
				GET_RXMCSSUPP(adapter->user_dev_mcs_support);
			memset(&ht_info->mcs, 0, adapter->number_of_antenna);
			memset(&ht_info->mcs, 0xff, rx_mcs_supp);
		}
1792 1793 1794 1795 1796
	}

	ant_cfg.tx_ant = tx_ant;
	ant_cfg.rx_ant = rx_ant;

1797 1798
	return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
				HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1799 1800
}

1801 1802 1803 1804 1805 1806 1807
/* cfg80211 operation handler for stop ap.
 * Function stops BSS running at uAP interface.
 */
static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

1808 1809
	mwifiex_abort_cac(priv);

A
Avinash Patil 已提交
1810
	if (mwifiex_del_mgmt_ies(priv))
1811 1812
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to delete mgmt IEs!\n");
A
Avinash Patil 已提交
1813

1814
	priv->ap_11n_enabled = 0;
1815
	memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1816

1817 1818
	if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1819 1820
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to stop the BSS\n");
1821 1822 1823
		return -1;
	}

1824 1825 1826 1827 1828 1829 1830
	if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to reset BSS\n");
		return -1;
	}

1831 1832 1833 1834
	if (netif_carrier_ok(priv->netdev))
		netif_carrier_off(priv->netdev);
	mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);

1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849
	return 0;
}

/* cfg80211 operation handler for start_ap.
 * Function sets beacon period, DTIM period, SSID and security into
 * AP config structure.
 * AP is configured with these settings and BSS is started.
 */
static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
				     struct net_device *dev,
				     struct cfg80211_ap_settings *params)
{
	struct mwifiex_uap_bss_param *bss_cfg;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

1850
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
A
Avinash Patil 已提交
1851 1852
		return -1;

1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867
	bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
	if (!bss_cfg)
		return -ENOMEM;

	mwifiex_set_sys_config_invalid_data(bss_cfg);

	if (params->beacon_interval)
		bss_cfg->beacon_period = params->beacon_interval;
	if (params->dtim_period)
		bss_cfg->dtim_period = params->dtim_period;

	if (params->ssid && params->ssid_len) {
		memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
		bss_cfg->ssid.ssid_len = params->ssid_len;
	}
1868 1869 1870 1871 1872
	if (params->inactivity_timeout > 0) {
		/* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
		bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
		bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
	}
1873

1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
	switch (params->hidden_ssid) {
	case NL80211_HIDDEN_SSID_NOT_IN_USE:
		bss_cfg->bcast_ssid_ctl = 1;
		break;
	case NL80211_HIDDEN_SSID_ZERO_LEN:
		bss_cfg->bcast_ssid_ctl = 0;
		break;
	case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
		/* firmware doesn't support this type of hidden SSID */
	default:
1884
		kfree(bss_cfg);
1885 1886 1887
		return -EINVAL;
	}

1888
	mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
A
Avinash Patil 已提交
1889
	mwifiex_set_uap_rates(bss_cfg, params);
1890

A
Avinash Patil 已提交
1891 1892
	if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
		kfree(bss_cfg);
1893 1894
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to parse secuirty parameters!\n");
A
Avinash Patil 已提交
1895 1896 1897
		return -1;
	}

1898
	mwifiex_set_ht_params(priv, bss_cfg, params);
1899 1900 1901 1902 1903 1904 1905

	if (priv->adapter->is_hw_11ac_capable) {
		mwifiex_set_vht_params(priv, bss_cfg, params);
		mwifiex_set_vht_width(priv, params->chandef.width,
				      priv->ap_11ac_enabled);
	}

1906 1907 1908 1909 1910
	if (priv->ap_11ac_enabled)
		mwifiex_set_11ac_ba_params(priv);
	else
		mwifiex_set_ba_params(priv);

1911
	mwifiex_set_wmm_params(priv, bss_cfg, params);
1912

1913 1914 1915
	if (mwifiex_is_11h_active(priv))
		mwifiex_set_tpc_params(priv, bss_cfg, params);

1916 1917 1918
	if (mwifiex_is_11h_active(priv) &&
	    !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
					   priv->bss_mode)) {
1919 1920
		mwifiex_dbg(priv->adapter, INFO,
			    "Disable 11h extensions in FW\n");
1921
		if (mwifiex_11h_activate(priv, false)) {
1922 1923
			mwifiex_dbg(priv->adapter, ERROR,
				    "Failed to disable 11h extensions!!");
1924 1925
			return -1;
		}
1926
		priv->state_11h.is_11h_active = false;
1927 1928
	}

1929
	if (mwifiex_config_start_uap(priv, bss_cfg)) {
1930 1931
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to start AP\n");
1932 1933 1934 1935
		kfree(bss_cfg);
		return -1;
	}

1936 1937
	if (mwifiex_set_mgmt_ies(priv, &params->beacon))
		return -1;
1938 1939 1940 1941

	if (!netif_carrier_ok(priv->netdev))
		netif_carrier_on(priv->netdev);
	mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
1942

1943
	memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
1944 1945 1946 1947
	kfree(bss_cfg);
	return 0;
}

1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959
/*
 * CFG802.11 operation handler for disconnection request.
 *
 * This function does not work when there is already a disconnection
 * procedure going on.
 */
static int
mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
			    u16 reason_code)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

1960
	if (mwifiex_deauthenticate(priv, NULL))
1961 1962
		return -EFAULT;

1963 1964 1965
	mwifiex_dbg(priv->adapter, MSG,
		    "info: successfully disconnected from %pM:\t"
		    "reason code %d\n", priv->cfg_bssid, reason_code);
1966

1967
	eth_zero_addr(priv->cfg_bssid);
1968
	priv->hs2_enabled = false;
1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987

	return 0;
}

/*
 * This function informs the CFG802.11 subsystem of a new IBSS.
 *
 * The following information are sent to the CFG802.11 subsystem
 * to register the new IBSS. If we do not register the new IBSS,
 * a kernel panic will result.
 *      - SSID
 *      - SSID length
 *      - BSSID
 *      - Channel
 */
static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
{
	struct ieee80211_channel *chan;
	struct mwifiex_bss_info bss_info;
1988
	struct cfg80211_bss *bss;
1989
	int ie_len;
1990
	u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1991
	enum ieee80211_band band;
1992

1993 1994
	if (mwifiex_get_bss_info(priv, &bss_info))
		return -1;
1995 1996 1997 1998 1999

	ie_buf[0] = WLAN_EID_SSID;
	ie_buf[1] = bss_info.ssid.ssid_len;

	memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2000
	       &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2001 2002
	ie_len = ie_buf[1] + sizeof(struct ieee_types_header);

2003
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2004
	chan = __ieee80211_get_channel(priv->wdev.wiphy,
2005
			ieee80211_channel_to_frequency(bss_info.bss_chan,
2006
						       band));
2007

2008
	bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2009
				  CFG80211_BSS_FTYPE_UNKNOWN,
2010 2011
				  bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
				  0, ie_buf, ie_len, 0, GFP_KERNEL);
2012 2013 2014 2015
	if (bss) {
		cfg80211_put_bss(priv->wdev.wiphy, bss);
		ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
	}
2016

2017
	return 0;
2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031
}

/*
 * This function connects with a BSS.
 *
 * This function handles both Infra and Ad-Hoc modes. It also performs
 * validity checking on the provided parameters, disconnects from the
 * current BSS (if any), sets up the association/scan parameters,
 * including security settings, and performs specific SSID scan before
 * trying to connect.
 *
 * For Infra mode, the function returns failure if the specified SSID
 * is not found in scan table. However, for Ad-Hoc mode, it can create
 * the IBSS if it does not exist. On successful completion in either case,
2032
 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2033 2034
 */
static int
2035 2036 2037
mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
		       const u8 *ssid, const u8 *bssid, int mode,
		       struct ieee80211_channel *channel,
2038 2039
		       struct cfg80211_connect_params *sme, bool privacy)
{
2040
	struct cfg80211_ssid req_ssid;
2041
	int ret, auth_type = 0;
2042
	struct cfg80211_bss *bss = NULL;
2043
	u8 is_scanning_required = 0;
2044

2045
	memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2046 2047 2048

	req_ssid.ssid_len = ssid_len;
	if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2049
		mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2050 2051 2052 2053 2054
		return -EINVAL;
	}

	memcpy(req_ssid.ssid, ssid, ssid_len);
	if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2055
		mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2056 2057 2058
		return -EINVAL;
	}

2059 2060 2061 2062 2063
	/* As this is new association, clear locally stored
	 * keys and security related flags */
	priv->sec_info.wpa_enabled = false;
	priv->sec_info.wpa2_enabled = false;
	priv->wep_key_curr_index = 0;
2064
	priv->sec_info.encryption_mode = 0;
2065
	priv->sec_info.is_authtype_auto = 0;
2066
	ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2067

2068
	if (mode == NL80211_IFTYPE_ADHOC) {
2069 2070 2071
		/* "privacy" is set only for ad-hoc mode */
		if (privacy) {
			/*
2072
			 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2073 2074 2075 2076
			 * the firmware can find a matching network from the
			 * scan. The cfg80211 does not give us the encryption
			 * mode at this stage so just setting it to WEP here.
			 */
2077
			priv->sec_info.encryption_mode =
2078
					WLAN_CIPHER_SUITE_WEP104;
2079
			priv->sec_info.authentication_mode =
2080
					NL80211_AUTHTYPE_OPEN_SYSTEM;
2081 2082 2083 2084 2085 2086
		}

		goto done;
	}

	/* Now handle infra mode. "sme" is valid for infra mode only */
2087
	if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2088
		auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2089 2090 2091 2092
		priv->sec_info.is_authtype_auto = 1;
	} else {
		auth_type = sme->auth_type;
	}
2093 2094

	if (sme->crypto.n_ciphers_pairwise) {
2095 2096
		priv->sec_info.encryption_mode =
						sme->crypto.ciphers_pairwise[0];
2097
		priv->sec_info.authentication_mode = auth_type;
2098 2099 2100
	}

	if (sme->crypto.cipher_group) {
2101
		priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2102
		priv->sec_info.authentication_mode = auth_type;
2103 2104 2105 2106 2107
	}
	if (sme->ie)
		ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);

	if (sme->key) {
2108
		if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2109 2110 2111
			mwifiex_dbg(priv->adapter, INFO,
				    "info: setting wep encryption\t"
				    "with key len %d\n", sme->key_len);
2112
			priv->wep_key_curr_index = sme->key_idx;
2113 2114 2115
			ret = mwifiex_set_encode(priv, NULL, sme->key,
						 sme->key_len, sme->key_idx,
						 NULL, 0);
2116 2117 2118
		}
	}
done:
2119 2120 2121 2122 2123 2124 2125 2126 2127
	/*
	 * Scan entries are valid for some time (15 sec). So we can save one
	 * active scan time if we just try cfg80211_get_bss first. If it fails
	 * then request scan and cfg80211_get_bss() again for final output.
	 */
	while (1) {
		if (is_scanning_required) {
			/* Do specific SSID scanning */
			if (mwifiex_request_scan(priv, &req_ssid)) {
2128
				mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2129 2130 2131
				return -EFAULT;
			}
		}
2132

2133 2134
		/* Find the BSS we want using available scan results */
		if (mode == NL80211_IFTYPE_ADHOC)
2135
			bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2136
					       bssid, ssid, ssid_len,
2137 2138
					       IEEE80211_BSS_TYPE_IBSS,
					       IEEE80211_PRIVACY_ANY);
2139
		else
2140
			bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2141
					       bssid, ssid, ssid_len,
2142 2143
					       IEEE80211_BSS_TYPE_ESS,
					       IEEE80211_PRIVACY_ANY);
2144 2145 2146

		if (!bss) {
			if (is_scanning_required) {
2147 2148
				mwifiex_dbg(priv->adapter, WARN,
					    "assoc: requested bss not found in scan results\n");
2149 2150 2151 2152
				break;
			}
			is_scanning_required = 1;
		} else {
2153 2154 2155
			mwifiex_dbg(priv->adapter, MSG,
				    "info: trying to associate to '%s' bssid %pM\n",
				    (char *)req_ssid.ssid, bss->bssid);
2156 2157 2158
			memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
			break;
		}
2159 2160
	}

2161 2162 2163
	ret = mwifiex_bss_start(priv, bss, &req_ssid);
	if (ret)
		return ret;
2164

2165
	if (mode == NL80211_IFTYPE_ADHOC) {
2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186
		/* Inform the BSS information to kernel, otherwise
		 * kernel will give a panic after successful assoc */
		if (mwifiex_cfg80211_inform_ibss_bss(priv))
			return -EFAULT;
	}

	return ret;
}

/*
 * CFG802.11 operation handler for association request.
 *
 * This function does not work when the current mode is set to Ad-Hoc, or
 * when there is already an association procedure going on. The given BSS
 * information is used to associate.
 */
static int
mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
			 struct cfg80211_connect_params *sme)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2187
	struct mwifiex_adapter *adapter = priv->adapter;
2188
	int ret;
2189

2190
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2191 2192 2193
		mwifiex_dbg(adapter, ERROR,
			    "%s: reject infra assoc request in non-STA role\n",
			    dev->name);
2194
		return -EINVAL;
2195 2196
	}

2197
	if (priv->wdev.current_bss) {
2198 2199
		mwifiex_dbg(adapter, ERROR,
			    "%s: already connected\n", dev->name);
2200 2201 2202
		return -EALREADY;
	}

2203
	if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2204 2205 2206 2207
		mwifiex_dbg(adapter, ERROR,
			    "%s: Ignore connection.\t"
			    "Card removed or FW in bad state\n",
			    dev->name);
2208 2209 2210
		return -EFAULT;
	}

2211 2212 2213
	mwifiex_dbg(adapter, INFO,
		    "info: Trying to associate to %s and bssid %pM\n",
		    (char *)sme->ssid, sme->bssid);
2214 2215

	ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2216
				     priv->bss_mode, sme->channel, sme, 0);
A
Amitkumar Karwar 已提交
2217 2218 2219 2220
	if (!ret) {
		cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
					NULL, 0, WLAN_STATUS_SUCCESS,
					GFP_KERNEL);
2221 2222 2223
		mwifiex_dbg(priv->adapter, MSG,
			    "info: associated to bssid %pM successfully\n",
			    priv->cfg_bssid);
A
Avinash Patil 已提交
2224 2225 2226 2227
		if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
		    priv->adapter->auto_tdls &&
		    priv->bss_type == MWIFIEX_BSS_TYPE_STA)
			mwifiex_setup_auto_tdls_timer(priv);
A
Amitkumar Karwar 已提交
2228
	} else {
2229 2230 2231
		mwifiex_dbg(priv->adapter, ERROR,
			    "info: association to bssid %pM failed\n",
			    priv->cfg_bssid);
2232
		eth_zero_addr(priv->cfg_bssid);
2233 2234 2235 2236 2237 2238 2239 2240 2241 2242

		if (ret > 0)
			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
						NULL, 0, NULL, 0, ret,
						GFP_KERNEL);
		else
			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
						NULL, 0, NULL, 0,
						WLAN_STATUS_UNSPECIFIED_FAILURE,
						GFP_KERNEL);
A
Amitkumar Karwar 已提交
2243 2244
	}

2245
	return 0;
2246 2247
}

2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
/*
 * This function sets following parameters for ibss network.
 *  -  channel
 *  -  start band
 *  -  11n flag
 *  -  secondary channel offset
 */
static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
				   struct cfg80211_ibss_params *params)
{
	struct mwifiex_adapter *adapter = priv->adapter;
	int index = 0, i;
	u8 config_bands = 0;

2262
	if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286
		if (!params->basic_rates) {
			config_bands = BAND_B | BAND_G;
		} else {
			for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
				/*
				 * Rates below 6 Mbps in the table are CCK
				 * rates; 802.11b and from 6 they are OFDM;
				 * 802.11G
				 */
				if (mwifiex_rates[i].bitrate == 60) {
					index = 1 << i;
					break;
				}
			}

			if (params->basic_rates < index) {
				config_bands = BAND_B;
			} else {
				config_bands = BAND_G;
				if (params->basic_rates % index)
					config_bands |= BAND_B;
			}
		}

2287 2288
		if (cfg80211_get_chandef_type(&params->chandef) !=
						NL80211_CHAN_NO_HT)
2289
			config_bands |= BAND_G | BAND_GN;
2290
	} else {
2291
		if (cfg80211_get_chandef_type(&params->chandef) ==
2292
						NL80211_CHAN_NO_HT)
2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308
			config_bands = BAND_A;
		else
			config_bands = BAND_AN | BAND_A;
	}

	if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
		adapter->config_bands = config_bands;
		adapter->adhoc_start_band = config_bands;

		if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
			adapter->adhoc_11n_enabled = true;
		else
			adapter->adhoc_11n_enabled = false;
	}

	adapter->sec_chan_offset =
2309 2310 2311 2312
		mwifiex_chan_type_to_sec_chan_offset(
			cfg80211_get_chandef_type(&params->chandef));
	priv->adhoc_channel = ieee80211_frequency_to_channel(
				params->chandef.chan->center_freq);
2313

2314 2315 2316 2317
	mwifiex_dbg(adapter, INFO,
		    "info: set ibss band %d, chan %d, chan offset %d\n",
		    config_bands, priv->adhoc_channel,
		    adapter->sec_chan_offset);
2318 2319 2320 2321

	return 0;
}

2322 2323 2324 2325 2326 2327 2328 2329 2330 2331
/*
 * CFG802.11 operation handler to join an IBSS.
 *
 * This function does not work in any mode other than Ad-Hoc, or if
 * a join operation is already in progress.
 */
static int
mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_ibss_params *params)
{
2332
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2333 2334
	int ret = 0;

2335
	if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2336 2337 2338
		mwifiex_dbg(priv->adapter, ERROR,
			    "request to join ibss received\t"
			    "when station is not in ibss mode\n");
2339 2340 2341
		goto done;
	}

2342 2343 2344
	mwifiex_dbg(priv->adapter, MSG,
		    "info: trying to join to %s and bssid %pM\n",
		    (char *)params->ssid, params->bssid);
2345

2346 2347
	mwifiex_set_ibss_params(priv, params);

2348
	ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2349
				     params->bssid, priv->bss_mode,
2350 2351
				     params->chandef.chan, NULL,
				     params->privacy);
2352
done:
A
Amitkumar Karwar 已提交
2353
	if (!ret) {
2354 2355
		cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
				     params->chandef.chan, GFP_KERNEL);
2356 2357 2358
		mwifiex_dbg(priv->adapter, MSG,
			    "info: joined/created adhoc network with bssid\t"
			    "%pM successfully\n", priv->cfg_bssid);
A
Amitkumar Karwar 已提交
2359
	} else {
2360 2361
		mwifiex_dbg(priv->adapter, ERROR,
			    "info: failed creating/joining adhoc network\n");
A
Amitkumar Karwar 已提交
2362 2363
	}

2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375
	return ret;
}

/*
 * CFG802.11 operation handler to leave an IBSS.
 *
 * This function does not work if a leave operation is
 * already in progress.
 */
static int
mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
2376
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2377

2378 2379
	mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
		    priv->cfg_bssid);
2380
	if (mwifiex_deauthenticate(priv, NULL))
2381 2382
		return -EFAULT;

2383
	eth_zero_addr(priv->cfg_bssid);
2384 2385 2386 2387 2388 2389 2390 2391

	return 0;
}

/*
 * CFG802.11 operation handler for scan request.
 *
 * This function issues a scan request to the firmware based upon
G
Geliang Tang 已提交
2392
 * the user specified scan configuration. On successful completion,
2393 2394 2395
 * it also informs the results.
 */
static int
J
Johannes Berg 已提交
2396
mwifiex_cfg80211_scan(struct wiphy *wiphy,
2397 2398
		      struct cfg80211_scan_request *request)
{
J
Johannes Berg 已提交
2399
	struct net_device *dev = request->wdev->netdev;
2400
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2401
	int i, offset, ret;
A
Amitkumar Karwar 已提交
2402
	struct ieee80211_channel *chan;
2403
	struct ieee_types_header *ie;
2404
	struct mwifiex_user_scan_cfg *user_scan_cfg;
2405

2406 2407
	mwifiex_dbg(priv->adapter, CMD,
		    "info: received scan request on %s\n", dev->name);
2408

2409 2410 2411 2412
	/* Block scan request if scan operation or scan cleanup when interface
	 * is disabled is in process
	 */
	if (priv->scan_request || priv->scan_aborting) {
2413 2414
		mwifiex_dbg(priv->adapter, WARN,
			    "cmd: Scan already in process..\n");
2415 2416 2417
		return -EBUSY;
	}

2418 2419
	user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
	if (!user_scan_cfg)
A
Amitkumar Karwar 已提交
2420
		return -ENOMEM;
2421

B
Bing Zhao 已提交
2422 2423
	priv->scan_request = request;

2424 2425
	user_scan_cfg->num_ssids = request->n_ssids;
	user_scan_cfg->ssid_list = request->ssids;
2426

A
Avinash Patil 已提交
2427
	if (request->ie && request->ie_len) {
2428
		offset = 0;
A
Avinash Patil 已提交
2429 2430 2431 2432
		for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
			if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
				continue;
			priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2433 2434 2435 2436 2437 2438
			ie = (struct ieee_types_header *)(request->ie + offset);
			memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
			offset += sizeof(*ie) + ie->len;

			if (offset >= request->ie_len)
				break;
A
Avinash Patil 已提交
2439 2440 2441
		}
	}

2442 2443
	for (i = 0; i < min_t(u32, request->n_channels,
			      MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
A
Amitkumar Karwar 已提交
2444
		chan = request->channels[i];
2445 2446
		user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
		user_scan_cfg->chan_list[i].radio_type = chan->band;
A
Amitkumar Karwar 已提交
2447

2448
		if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2449
			user_scan_cfg->chan_list[i].scan_type =
2450
						MWIFIEX_SCAN_TYPE_PASSIVE;
A
Amitkumar Karwar 已提交
2451
		else
2452
			user_scan_cfg->chan_list[i].scan_type =
2453
						MWIFIEX_SCAN_TYPE_ACTIVE;
A
Amitkumar Karwar 已提交
2454

2455
		user_scan_cfg->chan_list[i].scan_time = 0;
A
Amitkumar Karwar 已提交
2456
	}
2457

2458 2459 2460 2461 2462
	if (priv->adapter->scan_chan_gap_enabled &&
	    mwifiex_is_any_intf_active(priv))
		user_scan_cfg->scan_chan_gap =
					      priv->adapter->scan_chan_gap_time;

2463 2464
	ret = mwifiex_scan_networks(priv, user_scan_cfg);
	kfree(user_scan_cfg);
2465
	if (ret) {
2466 2467
		mwifiex_dbg(priv->adapter, ERROR,
			    "scan failed: %d\n", ret);
2468
		priv->scan_aborting = false;
B
Bing Zhao 已提交
2469
		priv->scan_request = NULL;
2470 2471
		return ret;
	}
A
Amitkumar Karwar 已提交
2472

A
Avinash Patil 已提交
2473 2474 2475 2476 2477 2478 2479 2480 2481
	if (request->ie && request->ie_len) {
		for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
			if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
				priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
				memset(&priv->vs_ie[i].ie, 0,
				       MWIFIEX_MAX_VSIE_LEN);
			}
		}
	}
2482 2483 2484
	return 0;
}

2485 2486 2487 2488 2489 2490 2491
static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
				   struct mwifiex_private *priv)
{
	struct mwifiex_adapter *adapter = priv->adapter;

	vht_info->vht_supported = true;

Y
Yogesh Ashok Powar 已提交
2492
	vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2493 2494 2495 2496 2497 2498 2499 2500 2501
	/* Update MCS support for VHT */
	vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
				adapter->hw_dot_11ac_mcs_support & 0xFFFF);
	vht_info->vht_mcs.rx_highest = 0;
	vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
				adapter->hw_dot_11ac_mcs_support >> 16);
	vht_info->vht_mcs.tx_highest = 0;
}

2502 2503 2504 2505 2506 2507
/*
 * This function sets up the CFG802.11 specific HT capability fields
 * with default values.
 *
 * The following default values are set -
 *      - HT Supported = True
2508 2509 2510
 *      - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
 *      - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
 *      - HT Capabilities supported by firmware
2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523
 *      - MCS information, Rx mask = 0xff
 *      - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
 */
static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
		      struct mwifiex_private *priv)
{
	int rx_mcs_supp;
	struct ieee80211_mcs_info mcs_set;
	u8 *mcs = (u8 *)&mcs_set;
	struct mwifiex_adapter *adapter = priv->adapter;

	ht_info->ht_supported = true;
2524 2525
	ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
	ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2526 2527 2528

	memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));

2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544
	/* Fill HT capability information */
	if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;

	if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;

	if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;

2545 2546
	if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
		ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2547
	else
2548
		ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2549 2550 2551 2552 2553 2554

	if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;

2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569
	if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;

	if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;

	if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;

2570 2571 2572
	ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
	ht_info->cap |= IEEE80211_HT_CAP_SM_PS;

2573 2574
	rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
	/* Set MCS for 1x1/2x2 */
2575 2576 2577
	memset(mcs, 0xff, rx_mcs_supp);
	/* Clear all the other values */
	memset(&mcs[rx_mcs_supp], 0,
2578
	       sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2579
	if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2580
	    ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2581 2582 2583 2584 2585 2586 2587 2588
		/* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
		SETHT_MCS32(mcs_set.rx_mask);

	memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));

	ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
}

2589
/*
2590
 *  create a new virtual interface with the given name and name assign type
2591
 */
2592
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2593
					      const char *name,
2594
					      unsigned char name_assign_type,
2595 2596 2597
					      enum nl80211_iftype type,
					      u32 *flags,
					      struct vif_params *params)
2598
{
2599 2600
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
2601 2602 2603 2604
	struct net_device *dev;
	void *mdev_priv;

	if (!adapter)
2605
		return ERR_PTR(-EFAULT);
2606 2607 2608 2609 2610

	switch (type) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
2611 2612
		if (adapter->curr_iface_comb.sta_intf ==
		    adapter->iface_limit.sta_intf) {
2613 2614
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple sta/adhoc ifaces\n");
2615
			return ERR_PTR(-EINVAL);
2616 2617
		}

S
Shengzhen Li 已提交
2618 2619
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_STA);
2620
		if (!priv) {
2621 2622
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2623 2624 2625
			return ERR_PTR(-EFAULT);
		}

2626 2627
		priv->wdev.wiphy = wiphy;
		priv->wdev.iftype = NL80211_IFTYPE_STATION;
2628

2629 2630 2631 2632 2633 2634 2635
		if (type == NL80211_IFTYPE_UNSPECIFIED)
			priv->bss_mode = NL80211_IFTYPE_STATION;
		else
			priv->bss_mode = type;

		priv->bss_type = MWIFIEX_BSS_TYPE_STA;
		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2636
		priv->bss_priority = 0;
2637 2638
		priv->bss_role = MWIFIEX_BSS_ROLE_STA;

2639 2640
		break;
	case NL80211_IFTYPE_AP:
2641 2642
		if (adapter->curr_iface_comb.uap_intf ==
		    adapter->iface_limit.uap_intf) {
2643 2644
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple AP ifaces\n");
2645
			return ERR_PTR(-EINVAL);
2646 2647
		}

S
Shengzhen Li 已提交
2648 2649
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_UAP);
2650
		if (!priv) {
2651 2652
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2653 2654 2655
			return ERR_PTR(-EFAULT);
		}

2656 2657
		priv->wdev.wiphy = wiphy;
		priv->wdev.iftype = NL80211_IFTYPE_AP;
2658 2659 2660

		priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2661
		priv->bss_priority = 0;
2662 2663 2664 2665
		priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
		priv->bss_started = 0;
		priv->bss_mode = type;

S
Stone Piao 已提交
2666 2667
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
2668 2669
		if (adapter->curr_iface_comb.p2p_intf ==
		    adapter->iface_limit.p2p_intf) {
2670 2671
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple P2P ifaces\n");
S
Stone Piao 已提交
2672 2673 2674
			return ERR_PTR(-EINVAL);
		}

S
Shengzhen Li 已提交
2675 2676
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_P2P);
2677
		if (!priv) {
2678 2679
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2680 2681
			return ERR_PTR(-EFAULT);
		}
S
Stone Piao 已提交
2682

2683
		priv->wdev.wiphy = wiphy;
S
Stone Piao 已提交
2684 2685 2686
		/* At start-up, wpa_supplicant tries to change the interface
		 * to NL80211_IFTYPE_STATION if it is not managed mode.
		 */
2687
		priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2688
		priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
S
Stone Piao 已提交
2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700

		/* Setting bss_type to P2P tells firmware that this interface
		 * is receiving P2P peers found during find phase and doing
		 * action frame handshake.
		 */
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;

		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
		priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
		priv->bss_role = MWIFIEX_BSS_ROLE_STA;
		priv->bss_started = 0;

2701
		if (mwifiex_cfg80211_init_p2p_client(priv)) {
2702 2703 2704
			memset(&priv->wdev, 0, sizeof(priv->wdev));
			priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
			return ERR_PTR(-EFAULT);
2705
		}
2706

2707 2708
		break;
	default:
2709
		mwifiex_dbg(adapter, ERROR, "type not supported\n");
2710
		return ERR_PTR(-EINVAL);
2711 2712
	}

A
Avinash Patil 已提交
2713
	dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2714
			       name_assign_type, ether_setup,
2715
			       IEEE80211_NUM_ACS, 1);
2716
	if (!dev) {
2717 2718
		mwifiex_dbg(adapter, ERROR,
			    "no memory available for netdevice\n");
2719 2720
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2721
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2722
		return ERR_PTR(-ENOMEM);
2723 2724
	}

2725 2726 2727 2728
	mwifiex_init_priv_params(priv, dev);
	priv->netdev = dev;

	mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2729 2730 2731
	if (adapter->is_hw_11ac_capable)
		mwifiex_setup_vht_caps(
			&wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
2732 2733 2734 2735 2736

	if (adapter->config_bands & BAND_A)
		mwifiex_setup_ht_caps(
			&wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);

2737 2738 2739 2740
	if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
		mwifiex_setup_vht_caps(
			&wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);

2741
	dev_net_set(dev, wiphy_net(wiphy));
2742
	dev->ieee80211_ptr = &priv->wdev;
2743 2744 2745 2746 2747 2748 2749
	dev->ieee80211_ptr->iftype = priv->bss_mode;
	memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
	SET_NETDEV_DEV(dev, wiphy_dev(wiphy));

	dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
	dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
	dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2750
	dev->ethtool_ops = &mwifiex_ethtool_ops;
2751 2752 2753 2754 2755 2756 2757 2758

	mdev_priv = netdev_priv(dev);
	*((unsigned long *) mdev_priv) = (unsigned long) priv;

	SET_NETDEV_DEV(dev, adapter->dev);

	/* Register network device */
	if (register_netdevice(dev)) {
2759 2760
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
2761 2762
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2763
		priv->netdev = NULL;
2764 2765 2766
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-EFAULT);
2767 2768
	}

2769
	priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
2770 2771
						  WQ_HIGHPRI |
						  WQ_MEM_RECLAIM |
2772
						  WQ_UNBOUND, 1, name);
2773
	if (!priv->dfs_cac_workqueue) {
2774 2775
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
2776 2777 2778 2779 2780 2781 2782 2783 2784 2785
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
		priv->netdev = NULL;
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-ENOMEM);
	}

	INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);

2786
	priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
2787
						      WQ_HIGHPRI | WQ_UNBOUND |
2788
						      WQ_MEM_RECLAIM, 1, name);
2789
	if (!priv->dfs_chan_sw_workqueue) {
2790 2791
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
		priv->netdev = NULL;
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-ENOMEM);
	}

	INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
			  mwifiex_dfs_chan_sw_work_queue);

2803 2804
	sema_init(&priv->async_sem, 1);

2805 2806
	mwifiex_dbg(adapter, INFO,
		    "info: %s: Marvell 802.11 Adapter\n", dev->name);
2807 2808 2809 2810

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_init(priv);
#endif
2811

2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824
	switch (type) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
		adapter->curr_iface_comb.sta_intf++;
		break;
	case NL80211_IFTYPE_AP:
		adapter->curr_iface_comb.uap_intf++;
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
		adapter->curr_iface_comb.p2p_intf++;
		break;
	default:
2825
		mwifiex_dbg(adapter, ERROR, "type not supported\n");
2826 2827 2828
		return ERR_PTR(-EINVAL);
	}

2829
	return &priv->wdev;
2830 2831 2832 2833 2834 2835
}
EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);

/*
 * del_virtual_intf: remove the virtual interface determined by dev
 */
2836
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2837
{
2838
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2839
	struct mwifiex_adapter *adapter = priv->adapter;
2840
	struct sk_buff *skb, *tmp;
2841 2842 2843 2844 2845

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_remove(priv);
#endif

2846
	mwifiex_stop_net_dev_queue(priv->netdev, adapter);
2847

2848 2849 2850
	skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
		mwifiex_write_data_complete(priv->adapter, skb, 0, -1);

2851 2852 2853
	if (netif_carrier_ok(priv->netdev))
		netif_carrier_off(priv->netdev);

2854 2855
	if (wdev->netdev->reg_state == NETREG_REGISTERED)
		unregister_netdevice(wdev->netdev);
2856

2857 2858 2859 2860 2861 2862
	if (priv->dfs_cac_workqueue) {
		flush_workqueue(priv->dfs_cac_workqueue);
		destroy_workqueue(priv->dfs_cac_workqueue);
		priv->dfs_cac_workqueue = NULL;
	}

2863 2864 2865 2866 2867
	if (priv->dfs_chan_sw_workqueue) {
		flush_workqueue(priv->dfs_chan_sw_workqueue);
		destroy_workqueue(priv->dfs_chan_sw_workqueue);
		priv->dfs_chan_sw_workqueue = NULL;
	}
2868
	/* Clear the priv in adapter */
2869
	priv->netdev->ieee80211_ptr = NULL;
2870
	priv->netdev = NULL;
2871
	priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2872 2873 2874

	priv->media_connected = false;

2875 2876 2877 2878
	switch (priv->bss_mode) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
2879
		adapter->curr_iface_comb.sta_intf--;
2880 2881
		break;
	case NL80211_IFTYPE_AP:
2882
		adapter->curr_iface_comb.uap_intf--;
2883 2884 2885
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
2886
		adapter->curr_iface_comb.p2p_intf--;
2887 2888
		break;
	default:
2889 2890
		mwifiex_dbg(adapter, ERROR,
			    "del_virtual_intf: type not supported\n");
2891 2892 2893
		break;
	}

2894 2895
	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;

2896 2897 2898 2899
	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
	    GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
		kfree(priv->hist_data);

2900 2901 2902 2903
	return 0;
}
EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);

A
Amitkumar Karwar 已提交
2904
static bool
2905 2906
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
			     u8 max_byte_seq)
A
Amitkumar Karwar 已提交
2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923
{
	int j, k, valid_byte_cnt = 0;
	bool dont_care_byte = false;

	for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
		for (k = 0; k < 8; k++) {
			if (pat->mask[j] & 1 << k) {
				memcpy(byte_seq + valid_byte_cnt,
				       &pat->pattern[j * 8 + k], 1);
				valid_byte_cnt++;
				if (dont_care_byte)
					return false;
			} else {
				if (valid_byte_cnt)
					dont_care_byte = true;
			}

2924 2925 2926 2927 2928 2929
			/* wildcard bytes record as the offset
			 * before the valid byte
			 */
			if (!valid_byte_cnt && !dont_care_byte)
				pat->pkt_offset++;

2930
			if (valid_byte_cnt > max_byte_seq)
A
Amitkumar Karwar 已提交
2931 2932 2933 2934
				return false;
		}
	}

2935
	byte_seq[max_byte_seq] = valid_byte_cnt;
A
Amitkumar Karwar 已提交
2936 2937 2938 2939

	return true;
}

2940
#ifdef CONFIG_PM
2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998
static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
					   struct mwifiex_mef_entry *mef_entry)
{
	int i, filt_num = 0, num_ipv4 = 0;
	struct in_device *in_dev;
	struct in_ifaddr *ifa;
	__be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
	struct mwifiex_adapter *adapter = priv->adapter;

	mef_entry->mode = MEF_MODE_HOST_SLEEP;
	mef_entry->action = MEF_ACTION_AUTO_ARP;

	/* Enable ARP offload feature */
	memset(ips, 0, sizeof(ips));
	for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
		if (adapter->priv[i]->netdev) {
			in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
			if (!in_dev)
				continue;
			ifa = in_dev->ifa_list;
			if (!ifa || !ifa->ifa_local)
				continue;
			ips[i] = ifa->ifa_local;
			num_ipv4++;
		}
	}

	for (i = 0; i < num_ipv4; i++) {
		if (!ips[i])
			continue;
		mef_entry->filter[filt_num].repeat = 1;
		memcpy(mef_entry->filter[filt_num].byte_seq,
		       (u8 *)&ips[i], sizeof(ips[i]));
		mef_entry->filter[filt_num].
			byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
			sizeof(ips[i]);
		mef_entry->filter[filt_num].offset = 46;
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;
		if (filt_num) {
			mef_entry->filter[filt_num].filt_action =
				TYPE_OR;
		}
		filt_num++;
	}

	mef_entry->filter[filt_num].repeat = 1;
	mef_entry->filter[filt_num].byte_seq[0] = 0x08;
	mef_entry->filter[filt_num].byte_seq[1] = 0x06;
	mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
	mef_entry->filter[filt_num].offset = 20;
	mef_entry->filter[filt_num].filt_type = TYPE_EQ;
	mef_entry->filter[filt_num].filt_action = TYPE_AND;
}

static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
					struct mwifiex_ds_mef_cfg *mef_cfg,
					struct mwifiex_mef_entry *mef_entry,
					struct cfg80211_wowlan *wowlan)
A
Amitkumar Karwar 已提交
2999
{
3000
	int i, filt_num = 0, ret = 0;
A
Amitkumar Karwar 已提交
3001
	bool first_pat = true;
A
Amitkumar Karwar 已提交
3002
	u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
A
Amitkumar Karwar 已提交
3003 3004 3005 3006 3007 3008 3009 3010 3011
	const u8 ipv4_mc_mac[] = {0x33, 0x33};
	const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};

	mef_entry->mode = MEF_MODE_HOST_SLEEP;
	mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;

	for (i = 0; i < wowlan->n_patterns; i++) {
		memset(byte_seq, 0, sizeof(byte_seq));
		if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3012 3013
					byte_seq,
					MWIFIEX_MEF_MAX_BYTESEQ)) {
3014 3015
			mwifiex_dbg(priv->adapter, ERROR,
				    "Pattern not supported\n");
A
Amitkumar Karwar 已提交
3016 3017 3018 3019 3020
			return -EOPNOTSUPP;
		}

		if (!wowlan->patterns[i].pkt_offset) {
			if (!(byte_seq[0] & 0x01) &&
A
Amitkumar Karwar 已提交
3021
			    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3022
				mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
A
Amitkumar Karwar 已提交
3023 3024
				continue;
			} else if (is_broadcast_ether_addr(byte_seq)) {
3025
				mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
A
Amitkumar Karwar 已提交
3026 3027
				continue;
			} else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
A
Amitkumar Karwar 已提交
3028
				    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
A
Amitkumar Karwar 已提交
3029
				   (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
A
Amitkumar Karwar 已提交
3030
				    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3031
				mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
A
Amitkumar Karwar 已提交
3032 3033 3034 3035 3036
				continue;
			}
		}
		mef_entry->filter[filt_num].repeat = 1;
		mef_entry->filter[filt_num].offset =
3037
			wowlan->patterns[i].pkt_offset;
A
Amitkumar Karwar 已提交
3038
		memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3039
				sizeof(byte_seq));
A
Amitkumar Karwar 已提交
3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;

		if (first_pat)
			first_pat = false;
		else
			mef_entry->filter[filt_num].filt_action = TYPE_AND;

		filt_num++;
	}

	if (wowlan->magic_pkt) {
3051
		mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
A
Amitkumar Karwar 已提交
3052 3053
		mef_entry->filter[filt_num].repeat = 16;
		memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3054
				ETH_ALEN);
A
Amitkumar Karwar 已提交
3055
		mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3056
			ETH_ALEN;
3057
		mef_entry->filter[filt_num].offset = 28;
A
Amitkumar Karwar 已提交
3058 3059 3060
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;
		if (filt_num)
			mef_entry->filter[filt_num].filt_action = TYPE_OR;
3061 3062 3063 3064

		filt_num++;
		mef_entry->filter[filt_num].repeat = 16;
		memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3065
				ETH_ALEN);
3066
		mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3067
			ETH_ALEN;
3068 3069 3070
		mef_entry->filter[filt_num].offset = 56;
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;
		mef_entry->filter[filt_num].filt_action = TYPE_OR;
A
Amitkumar Karwar 已提交
3071
	}
3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096
	return ret;
}

static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
				  struct cfg80211_wowlan *wowlan)
{
	int ret = 0, num_entries = 1;
	struct mwifiex_ds_mef_cfg mef_cfg;
	struct mwifiex_mef_entry *mef_entry;

	if (wowlan->n_patterns || wowlan->magic_pkt)
		num_entries++;

	mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
	if (!mef_entry)
		return -ENOMEM;

	memset(&mef_cfg, 0, sizeof(mef_cfg));
	mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
		MWIFIEX_CRITERIA_UNICAST;
	mef_cfg.num_entries = num_entries;
	mef_cfg.mef_entry = mef_entry;

	mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);

3097
	if (wowlan->n_patterns || wowlan->magic_pkt) {
3098 3099
		ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
						   &mef_entry[1], wowlan);
3100 3101 3102
		if (ret)
			goto err;
	}
A
Amitkumar Karwar 已提交
3103 3104 3105

	if (!mef_cfg.criteria)
		mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3106 3107
			MWIFIEX_CRITERIA_UNICAST |
			MWIFIEX_CRITERIA_MULTICAST;
A
Amitkumar Karwar 已提交
3108

3109
	ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3110 3111
			HostCmd_ACT_GEN_SET, 0,
			&mef_cfg, true);
3112 3113

err:
A
Amitkumar Karwar 已提交
3114 3115 3116 3117
	kfree(mef_entry);
	return ret;
}

3118 3119 3120 3121
static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
				    struct cfg80211_wowlan *wowlan)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3122
	struct mwifiex_ds_hs_cfg hs_cfg;
3123 3124 3125 3126 3127 3128 3129 3130 3131
	int i, ret = 0;
	struct mwifiex_private *priv;

	for (i = 0; i < adapter->priv_num; i++) {
		priv = adapter->priv[i];
		mwifiex_abort_cac(priv);
	}

	mwifiex_cancel_all_pending_cmd(adapter);
3132 3133

	if (!wowlan) {
3134 3135
		mwifiex_dbg(adapter, ERROR,
			    "None of the WOWLAN triggers enabled\n");
3136 3137 3138
		return 0;
	}

3139 3140
	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);

3141
	if (!priv->media_connected) {
3142 3143
		mwifiex_dbg(adapter, ERROR,
			    "Can not configure WOWLAN in disconnected state\n");
3144 3145 3146
		return 0;
	}

3147 3148
	ret = mwifiex_set_mef_filter(priv, wowlan);
	if (ret) {
3149
		mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3150
		return ret;
3151 3152
	}

3153 3154 3155 3156 3157 3158 3159 3160 3161
	if (wowlan->disconnect) {
		memset(&hs_cfg, 0, sizeof(hs_cfg));
		hs_cfg.is_invoke_hostcmd = false;
		hs_cfg.conditions = HS_CFG_COND_MAC_EVENT;
		hs_cfg.gpio = HS_CFG_GPIO_DEF;
		hs_cfg.gap = HS_CFG_GAP_DEF;
		ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
					    MWIFIEX_SYNC_CMD, &hs_cfg);
		if (ret) {
3162 3163
			mwifiex_dbg(adapter, ERROR,
				    "Failed to set HS params\n");
3164 3165 3166 3167
			return ret;
		}
	}

3168 3169 3170
	return ret;
}

A
Amitkumar Karwar 已提交
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184
static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
{
	return 0;
}

static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
				       bool enabled)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);

	device_set_wakeup_enable(adapter->dev, enabled);
}
#endif

3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222
static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
{
	const u8 ipv4_mc_mac[] = {0x33, 0x33};
	const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};

	if ((byte_seq[0] & 0x01) &&
	    (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
		return PACKET_TYPE_UNICAST;
	else if (!memcmp(byte_seq, bc_mac, 4))
		return PACKET_TYPE_BROADCAST;
	else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
		  byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
		 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
		  byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
		return PACKET_TYPE_MULTICAST;

	return 0;
}

static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
				struct cfg80211_coalesce_rules *crule,
				struct mwifiex_coalesce_rule *mrule)
{
	u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
	struct filt_field_param *param;
	int i;

	mrule->max_coalescing_delay = crule->delay;

	param = mrule->params;

	for (i = 0; i < crule->n_patterns; i++) {
		memset(byte_seq, 0, sizeof(byte_seq));
		if (!mwifiex_is_pattern_supported(&crule->patterns[i],
						  byte_seq,
						MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3223 3224
			mwifiex_dbg(priv->adapter, ERROR,
				    "Pattern not supported\n");
3225 3226 3227 3228 3229 3230 3231 3232
			return -EOPNOTSUPP;
		}

		if (!crule->patterns[i].pkt_offset) {
			u8 pkt_type;

			pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
			if (pkt_type && mrule->pkt_type) {
3233 3234
				mwifiex_dbg(priv->adapter, ERROR,
					    "Multiple packet types not allowed\n");
3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256
				return -EOPNOTSUPP;
			} else if (pkt_type) {
				mrule->pkt_type = pkt_type;
				continue;
			}
		}

		if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
			param->operation = RECV_FILTER_MATCH_TYPE_EQ;
		else
			param->operation = RECV_FILTER_MATCH_TYPE_NE;

		param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
		memcpy(param->operand_byte_stream, byte_seq,
		       param->operand_len);
		param->offset = crule->patterns[i].pkt_offset;
		param++;

		mrule->num_of_fields++;
	}

	if (!mrule->pkt_type) {
3257 3258
		mwifiex_dbg(priv->adapter, ERROR,
			    "Packet type can not be determined\n");
3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275
		return -EOPNOTSUPP;
	}

	return 0;
}

static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
					 struct cfg80211_coalesce *coalesce)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	int i, ret;
	struct mwifiex_ds_coalesce_cfg coalesce_cfg;
	struct mwifiex_private *priv =
			mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);

	memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
	if (!coalesce) {
3276 3277
		mwifiex_dbg(adapter, WARN,
			    "Disable coalesce and reset all previous rules\n");
3278 3279 3280
		return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
					HostCmd_ACT_GEN_SET, 0,
					&coalesce_cfg, true);
3281 3282 3283 3284 3285 3286 3287
	}

	coalesce_cfg.num_of_rules = coalesce->n_rules;
	for (i = 0; i < coalesce->n_rules; i++) {
		ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
						      &coalesce_cfg.rule[i]);
		if (ret) {
3288 3289
			mwifiex_dbg(adapter, ERROR,
				    "Recheck the patterns provided for rule %d\n",
3290 3291 3292 3293 3294
				i + 1);
			return ret;
		}
	}

3295 3296
	return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
				HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3297 3298
}

3299 3300 3301 3302 3303
/* cfg80211 ops handler for tdls_mgmt.
 * Function prepares TDLS action frame packets and forwards them to FW
 */
static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3304
			   const u8 *peer, u8 action_code, u8 dialog_token,
3305
			   u16 status_code, u32 peer_capability,
3306 3307
			   bool initiator, const u8 *extra_ies,
			   size_t extra_ies_len)
3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	int ret;

	if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
		return -ENOTSUPP;

	switch (action_code) {
	case WLAN_TDLS_SETUP_REQUEST:
3321 3322 3323
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Setup Request to %pM status_code=%d\n",
			    peer, status_code);
A
Avinash Patil 已提交
3324
		mwifiex_add_auto_tdls_peer(priv, peer);
3325 3326 3327 3328 3329
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_SETUP_RESPONSE:
A
Avinash Patil 已提交
3330
		mwifiex_add_auto_tdls_peer(priv, peer);
3331 3332 3333
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Setup Response to %pM status_code=%d\n",
			    peer, status_code);
3334 3335 3336 3337 3338
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_SETUP_CONFIRM:
3339 3340 3341
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Confirm to %pM status_code=%d\n", peer,
			    status_code);
3342 3343 3344 3345 3346
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_TEARDOWN:
3347 3348
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Tear down to %pM\n", peer);
3349 3350 3351 3352 3353
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_DISCOVERY_REQUEST:
3354 3355
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Discovery Request to %pM\n", peer);
3356 3357 3358 3359 3360
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3361 3362
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Discovery Response to %pM\n", peer);
3363 3364 3365 3366 3367
		ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	default:
3368 3369
		mwifiex_dbg(priv->adapter, ERROR,
			    "Unknown TDLS mgmt/action frame %pM\n", peer);
3370 3371 3372 3373 3374 3375 3376
		ret = -EINVAL;
		break;
	}

	return ret;
}

3377 3378
static int
mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3379
			   const u8 *peer, enum nl80211_tdls_operation action)
3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
	    !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
		return -ENOTSUPP;

3391 3392
	mwifiex_dbg(priv->adapter, MSG,
		    "TDLS peer=%pM, oper=%d\n", peer, action);
3393 3394 3395 3396 3397 3398 3399 3400 3401 3402

	switch (action) {
	case NL80211_TDLS_ENABLE_LINK:
		action = MWIFIEX_TDLS_ENABLE_LINK;
		break;
	case NL80211_TDLS_DISABLE_LINK:
		action = MWIFIEX_TDLS_DISABLE_LINK;
		break;
	case NL80211_TDLS_TEARDOWN:
		/* shouldn't happen!*/
3403 3404
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: teardown from driver not supported\n");
3405 3406 3407
		return -EINVAL;
	case NL80211_TDLS_SETUP:
		/* shouldn't happen!*/
3408 3409
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: setup from driver not supported\n");
3410 3411 3412
		return -EINVAL;
	case NL80211_TDLS_DISCOVERY_REQ:
		/* shouldn't happen!*/
3413 3414
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: discovery from driver not supported\n");
3415 3416
		return -EINVAL;
	default:
3417 3418
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: operation not supported\n");
3419 3420 3421 3422 3423 3424
		return -ENOTSUPP;
	}

	return mwifiex_tdls_oper(priv, peer, action);
}

3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490
static int
mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *addr, u8 oper_class,
				  struct cfg80211_chan_def *chandef)
{
	struct mwifiex_sta_node *sta_ptr;
	unsigned long flags;
	u16 chan;
	u8 second_chan_offset, band;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
	sta_ptr = mwifiex_get_sta_entry(priv, addr);
	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);

	if (!sta_ptr) {
		wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
			  __func__, addr);
		return -ENOENT;
	}

	if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
	      WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
		wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
		return -ENOENT;
	}

	if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
	    sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
		wiphy_err(wiphy, "channel switch is running, abort request\n");
		return -EALREADY;
	}

	chan = chandef->chan->hw_value;
	second_chan_offset = mwifiex_get_sec_chan_offset(chan);
	band = chandef->chan->band;
	mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);

	return 0;
}

static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
					 struct net_device *dev,
					 const u8 *addr)
{
	struct mwifiex_sta_node *sta_ptr;
	unsigned long flags;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
	sta_ptr = mwifiex_get_sta_entry(priv, addr);
	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);

	if (!sta_ptr) {
		wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
			  __func__, addr);
	} else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
		     sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
		     sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
		wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
			  addr);
	} else
		mwifiex_stop_tdls_cs(priv, addr);
}

3491
static int
3492 3493
mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
			     const u8 *mac, struct station_parameters *params)
3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
		return -ENOTSUPP;

	return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
}

3507 3508 3509 3510 3511 3512 3513 3514 3515 3516
static int
mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
				struct cfg80211_csa_settings *params)
{
	struct ieee_types_header *chsw_ie;
	struct ieee80211_channel_sw_ie *channel_sw;
	int chsw_msec;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (priv->adapter->scan_processing) {
3517 3518
		mwifiex_dbg(priv->adapter, ERROR,
			    "radar detection: scan in process...\n");
3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532
		return -EBUSY;
	}

	if (priv->wdev.cac_started)
		return -EBUSY;

	if (cfg80211_chandef_identical(&params->chandef,
				       &priv->dfs_chandef))
		return -EINVAL;

	chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
					   params->beacon_csa.tail,
					   params->beacon_csa.tail_len);
	if (!chsw_ie) {
3533 3534
		mwifiex_dbg(priv->adapter, ERROR,
			    "Could not parse channel switch announcement IE\n");
3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545
		return -EINVAL;
	}

	channel_sw = (void *)(chsw_ie + 1);
	if (channel_sw->mode) {
		if (netif_carrier_ok(priv->netdev))
			netif_carrier_off(priv->netdev);
		mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
	}

	if (mwifiex_del_mgmt_ies(priv))
3546 3547
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to delete mgmt IEs!\n");
3548 3549

	if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3550 3551
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: setting mgmt ies failed\n", __func__);
3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564
		return -EFAULT;
	}

	memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
	memcpy(&priv->beacon_after, &params->beacon_after,
	       sizeof(priv->beacon_after));

	chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
	queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
			   msecs_to_jiffies(chsw_msec));
	return 0;
}

3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603
static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
					struct wireless_dev *wdev,
					struct cfg80211_chan_def *chandef)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
	struct mwifiex_bssdescriptor *curr_bss;
	struct ieee80211_channel *chan;
	u8 second_chan_offset;
	enum nl80211_channel_type chan_type;
	enum ieee80211_band band;
	int freq;
	int ret = -ENODATA;

	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
	    cfg80211_chandef_valid(&priv->bss_chandef)) {
		*chandef = priv->bss_chandef;
		ret = 0;
	} else if (priv->media_connected) {
		curr_bss = &priv->curr_bss_params.bss_descriptor;
		band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
		freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
		chan = ieee80211_get_channel(wiphy, freq);

		if (curr_bss->bcn_ht_oper) {
			second_chan_offset = curr_bss->bcn_ht_oper->ht_param &
					IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
			chan_type = mwifiex_sec_chan_offset_to_chan_type
							(second_chan_offset);
			cfg80211_chandef_create(chandef, chan, chan_type);
		} else {
			cfg80211_chandef_create(chandef, chan,
						NL80211_CHAN_NO_HT);
		}
		ret = 0;
	}

	return ret;
}

3604 3605 3606 3607 3608 3609 3610 3611 3612 3613
static int
mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
				       struct net_device *dev,
				       struct cfg80211_chan_def *chandef,
				       u32 cac_time_ms)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_radar_params radar_params;

	if (priv->adapter->scan_processing) {
3614 3615
		mwifiex_dbg(priv->adapter, ERROR,
			    "radar detection: scan already in process...\n");
3616 3617 3618
		return -EBUSY;
	}

3619
	if (!mwifiex_is_11h_active(priv)) {
3620 3621
		mwifiex_dbg(priv->adapter, INFO,
			    "Enable 11h extensions in FW\n");
3622
		if (mwifiex_11h_activate(priv, true)) {
3623 3624
			mwifiex_dbg(priv->adapter, ERROR,
				    "Failed to activate 11h extensions!!");
3625 3626 3627 3628 3629
			return -1;
		}
		priv->state_11h.is_11h_active = true;
	}

3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644
	memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
	radar_params.chandef = chandef;
	radar_params.cac_time_ms = cac_time_ms;

	memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));

	if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
			     HostCmd_ACT_GEN_SET, 0, &radar_params, true))
		return -1;

	queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
			   msecs_to_jiffies(cac_time_ms));
	return 0;
}

3645
static int
3646 3647 3648
mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
				const u8 *mac,
				struct station_parameters *params)
3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668
{
	int ret;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	/* we support change_station handler only for TDLS peers*/
	if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
		return -ENOTSUPP;

	priv->sta_params = params;

	ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
	priv->sta_params = NULL;

	return ret;
}

3669 3670
/* station cfg80211 operations */
static struct cfg80211_ops mwifiex_cfg80211_ops = {
3671 3672
	.add_virtual_intf = mwifiex_add_virtual_intf,
	.del_virtual_intf = mwifiex_del_virtual_intf,
3673 3674 3675 3676 3677
	.change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
	.scan = mwifiex_cfg80211_scan,
	.connect = mwifiex_cfg80211_connect,
	.disconnect = mwifiex_cfg80211_disconnect,
	.get_station = mwifiex_cfg80211_get_station,
3678
	.dump_station = mwifiex_cfg80211_dump_station,
3679
	.dump_survey = mwifiex_cfg80211_dump_survey,
3680 3681 3682 3683 3684
	.set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
	.join_ibss = mwifiex_cfg80211_join_ibss,
	.leave_ibss = mwifiex_cfg80211_leave_ibss,
	.add_key = mwifiex_cfg80211_add_key,
	.del_key = mwifiex_cfg80211_del_key,
3685
	.mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3686
	.mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
3687 3688
	.remain_on_channel = mwifiex_cfg80211_remain_on_channel,
	.cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
3689 3690 3691
	.set_default_key = mwifiex_cfg80211_set_default_key,
	.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
	.set_tx_power = mwifiex_cfg80211_set_tx_power,
3692
	.set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
3693 3694
	.start_ap = mwifiex_cfg80211_start_ap,
	.stop_ap = mwifiex_cfg80211_stop_ap,
3695
	.change_beacon = mwifiex_cfg80211_change_beacon,
3696
	.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
3697
	.set_antenna = mwifiex_cfg80211_set_antenna,
A
Avinash Patil 已提交
3698
	.del_station = mwifiex_cfg80211_del_station,
A
Amitkumar Karwar 已提交
3699 3700 3701 3702 3703
#ifdef CONFIG_PM
	.suspend = mwifiex_cfg80211_suspend,
	.resume = mwifiex_cfg80211_resume,
	.set_wakeup = mwifiex_cfg80211_set_wakeup,
#endif
3704
	.set_coalesce = mwifiex_cfg80211_set_coalesce,
3705
	.tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
3706
	.tdls_oper = mwifiex_cfg80211_tdls_oper,
3707 3708
	.tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
	.tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
3709
	.add_station = mwifiex_cfg80211_add_station,
3710
	.change_station = mwifiex_cfg80211_change_station,
3711
	.get_channel = mwifiex_cfg80211_get_channel,
3712
	.start_radar_detection = mwifiex_cfg80211_start_radar_detection,
3713
	.channel_switch = mwifiex_cfg80211_channel_switch,
3714 3715
};

3716 3717
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
3718
	.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
A
Amitkumar Karwar 已提交
3719
	.n_patterns = MWIFIEX_MEF_MAX_FILTERS,
3720 3721 3722 3723 3724 3725
	.pattern_min_len = 1,
	.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
	.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
};
#endif

3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736
static bool mwifiex_is_valid_alpha2(const char *alpha2)
{
	if (!alpha2 || strlen(alpha2) != 2)
		return false;

	if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
		return true;

	return false;
}

3737 3738 3739 3740 3741 3742 3743 3744 3745
static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
	.n_rules = MWIFIEX_COALESCE_MAX_RULES,
	.max_delay = MWIFIEX_MAX_COALESCING_DELAY,
	.n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
	.pattern_min_len = 1,
	.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
	.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
};

3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764
int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
{
	u32 n_channels_bg, n_channels_a = 0;

	n_channels_bg = mwifiex_band_2ghz.n_channels;

	if (adapter->config_bands & BAND_A)
		n_channels_a = mwifiex_band_5ghz.n_channels;

	adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a);
	adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
				      adapter->num_in_chan_stats);

	if (!adapter->chan_stats)
		return -ENOMEM;

	return 0;
}

3765 3766 3767 3768 3769 3770 3771
/*
 * This function registers the device with CFG802.11 subsystem.
 *
 * The function creates the wireless device/wiphy, populates it with
 * default parameters and handler function pointers, and finally
 * registers the device.
 */
3772 3773

int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
3774
{
3775 3776
	int ret;
	void *wdev_priv;
3777 3778
	struct wiphy *wiphy;
	struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
3779
	u8 *country_code;
3780
	u32 thr, retry;
3781

3782 3783 3784 3785
	/* create a new wiphy for use with cfg80211 */
	wiphy = wiphy_new(&mwifiex_cfg80211_ops,
			  sizeof(struct mwifiex_adapter *));
	if (!wiphy) {
3786 3787
		mwifiex_dbg(adapter, ERROR,
			    "%s: creating new wiphy\n", __func__);
3788 3789
		return -ENOMEM;
	}
3790 3791
	wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
	wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
3792
	wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
3793
	wiphy->max_remain_on_channel_duration = 5000;
3794 3795
	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
				 BIT(NL80211_IFTYPE_ADHOC) |
S
Stone Piao 已提交
3796 3797
				 BIT(NL80211_IFTYPE_P2P_CLIENT) |
				 BIT(NL80211_IFTYPE_P2P_GO) |
3798 3799 3800 3801 3802 3803 3804
				 BIT(NL80211_IFTYPE_AP);

	wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
	if (adapter->config_bands & BAND_A)
		wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
	else
		wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
3805

3806
	if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
3807 3808 3809
		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
	else if (adapter->is_hw_11ac_capable)
		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
3810 3811
	else
		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
3812 3813
	wiphy->n_iface_combinations = 1;

3814
	/* Initialize cipher suits */
3815 3816
	wiphy->cipher_suites = mwifiex_cipher_suites;
	wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
3817

3818 3819 3820 3821
	if (adapter->region_code)
		wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS |
					   REGULATORY_COUNTRY_IE_IGNORE;

3822
	ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
3823
	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3824
	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
3825
			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
3826
			WIPHY_FLAG_AP_UAPSD |
3827
			WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3828 3829
			WIPHY_FLAG_HAS_CHANNEL_SWITCH |
			WIPHY_FLAG_PS_ON_BY_DEFAULT;
3830 3831 3832 3833 3834

	if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
		wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
				WIPHY_FLAG_TDLS_EXTERNAL_SETUP;

A
Amitkumar Karwar 已提交
3835
#ifdef CONFIG_PM
3836
	wiphy->wowlan = &mwifiex_wowlan_support;
A
Amitkumar Karwar 已提交
3837 3838
#endif

3839 3840
	wiphy->coalesce = &mwifiex_coalesce_support;

3841
	wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3842 3843
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3844

3845 3846
	wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
	wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
3847

3848
	wiphy->features |= NL80211_FEATURE_HT_IBSS |
3849
			   NL80211_FEATURE_INACTIVITY_TIMER |
3850
			   NL80211_FEATURE_NEED_OBSS_SCAN;
3851

3852 3853 3854
	if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
		wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;

3855 3856 3857
	if (adapter->fw_api_ver == MWIFIEX_FW_V15)
		wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;

3858
	/* Reserve space for mwifiex specific private data for BSS */
3859
	wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
3860

3861
	wiphy->reg_notifier = mwifiex_reg_notifier;
3862

3863
	/* Set struct mwifiex_adapter pointer in wiphy_priv */
3864
	wdev_priv = wiphy_priv(wiphy);
3865
	*(unsigned long *)wdev_priv = (unsigned long)adapter;
3866

3867
	set_wiphy_dev(wiphy, priv->adapter->dev);
3868

3869
	ret = wiphy_register(wiphy);
3870
	if (ret < 0) {
3871 3872
		mwifiex_dbg(adapter, ERROR,
			    "%s: wiphy_register failed: %d\n", __func__, ret);
3873
		wiphy_free(wiphy);
3874 3875
		return ret;
	}
3876 3877

	if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
3878 3879
		mwifiex_dbg(adapter, INFO,
			    "driver hint alpha2: %2.2s\n", reg_alpha2);
3880 3881
		regulatory_hint(wiphy, reg_alpha2);
	} else {
3882 3883 3884 3885 3886 3887 3888 3889 3890
		if (adapter->region_code == 0x00) {
			mwifiex_dbg(adapter, WARN, "Ignore world regulatory domain\n");
		} else {
			country_code =
				mwifiex_11d_code_2_region(adapter->region_code);
			if (country_code &&
			    regulatory_hint(wiphy, country_code))
				mwifiex_dbg(priv->adapter, ERROR, "regulatory_hint() failed\n");
		}
3891
	}
3892

3893 3894
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
3895
	wiphy->frag_threshold = thr;
3896 3897
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
3898
	wiphy->rts_threshold = thr;
3899 3900
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
3901
	wiphy->retry_short = (u8) retry;
3902 3903
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
3904 3905
	wiphy->retry_long = (u8) retry;

3906
	adapter->wiphy = wiphy;
3907 3908
	return ret;
}