cfg80211.c 122.9 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
#include "wmm.h"
24

25 26 27
static char *reg_alpha2;
module_param(reg_alpha2, charp, 0);

28 29
static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
	{
30
		.max = 3, .types = BIT(NL80211_IFTYPE_STATION) |
31
				   BIT(NL80211_IFTYPE_P2P_GO) |
32 33
				   BIT(NL80211_IFTYPE_P2P_CLIENT) |
				   BIT(NL80211_IFTYPE_AP),
34 35 36
	},
};

37 38
static const struct ieee80211_iface_combination
mwifiex_iface_comb_ap_sta = {
39 40 41 42 43
	.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,
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
	.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),
60 61
};

62
static const struct
63
ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
64 65 66 67 68 69 70
	.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,
};

71 72 73 74
/*
 * This function maps the nl802.11 channel type into driver channel type.
 *
 * The mapping is as follows -
75 76 77 78 79
 *      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
80
 */
81
u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
82
{
83
	switch (chan_type) {
84 85
	case NL80211_CHAN_NO_HT:
	case NL80211_CHAN_HT20:
86
		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
87
	case NL80211_CHAN_HT40PLUS:
88
		return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
89
	case NL80211_CHAN_HT40MINUS:
90
		return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
91
	default:
92
		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
93 94 95
	}
}

96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
/* 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;
	}
}

112 113 114 115 116 117 118
/*
 * This function checks whether WEP is set.
 */
static int
mwifiex_is_alg_wep(u32 cipher)
{
	switch (cipher) {
119 120
	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_WEP104:
121
		return 1;
122 123 124
	default:
		break;
	}
125 126

	return 0;
127 128 129 130 131
}

/*
 * This function retrieves the private structure from kernel wiphy structure.
 */
132
static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
133 134 135 136 137 138 139 140 141 142 143
{
	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)
{
144
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
145 146
	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
147

148
	if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
149
		mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
150 151 152
		return -EFAULT;
	}

153
	mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
154 155 156
	return 0;
}

157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186
/*
 * 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;
187
	__net_timestamp(skb);
188 189 190 191 192 193 194 195 196

	return 0;
}

/*
 * CFG802.11 operation handler to transmit a management frame.
 */
static int
mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
197
			 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
198
{
199 200
	const u8 *buf = params->buf;
	size_t len = params->len;
201 202 203
	struct sk_buff *skb;
	u16 pkt_len;
	const struct ieee80211_mgmt *mgmt;
204
	struct mwifiex_txinfo *tx_info;
205 206 207
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);

	if (!buf || !len) {
208
		mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
209 210 211 212 213 214 215 216
		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 */
217 218
		mwifiex_dbg(priv->adapter, INFO,
			    "info: skip to send probe resp in AP or GO mode\n");
219 220 221 222 223 224 225 226 227
		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) {
228 229
		mwifiex_dbg(priv->adapter, ERROR,
			    "allocate skb failed for management frame\n");
230 231 232
		return -ENOMEM;
	}

233
	tx_info = MWIFIEX_SKB_TXCB(skb);
234
	memset(tx_info, 0, sizeof(*tx_info));
235 236
	tx_info->bss_num = priv->bss_num;
	tx_info->bss_type = priv->bss_type;
237
	tx_info->pkt_len = pkt_len;
238

239
	mwifiex_form_mgmt_frame(skb, buf, len);
240
	*cookie = prandom_u32() | 1;
241 242 243 244 245 246 247 248 249 250

	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);
251

252
	mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
253 254 255
	return 0;
}

256 257 258 259 260 261 262 263 264
/*
 * 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);
265
	u32 mask;
266 267

	if (reg)
268
		mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
269
	else
270 271 272 273
		mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);

	if (mask != priv->mgmt_frame_mask) {
		priv->mgmt_frame_mask = mask;
274 275 276
		mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
				 HostCmd_ACT_GEN_SET, 0,
				 &priv->mgmt_frame_mask, false);
277
		mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
278
	}
279 280
}

281 282 283 284 285 286 287 288 289 290 291 292 293
/*
 * 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) {
294
		mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
295 296 297 298
		return -EINVAL;
	}

	if (priv->roc_cfg.cookie) {
299 300 301
		mwifiex_dbg(priv->adapter, INFO,
			    "info: ongoing ROC, cookie = 0x%llx\n",
			    priv->roc_cfg.cookie);
302 303 304 305
		return -EBUSY;
	}

	ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
306
					 duration);
307 308

	if (!ret) {
309
		*cookie = prandom_u32() | 1;
310 311 312
		priv->roc_cfg.cookie = *cookie;
		priv->roc_cfg.chan = *chan;

313
		cfg80211_ready_on_channel(wdev, *cookie, chan,
314 315
					  duration, GFP_ATOMIC);

316 317
		mwifiex_dbg(priv->adapter, INFO,
			    "info: ROC, cookie = 0x%llx\n", *cookie);
318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
	}

	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,
337
					 &priv->roc_cfg.chan, 0);
338 339 340 341 342 343 344 345

	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));

346 347
		mwifiex_dbg(priv->adapter, INFO,
			    "info: cancel ROC, cookie = 0x%llx\n", cookie);
348 349 350 351 352
	}

	return ret;
}

353 354 355 356 357
/*
 * CFG802.11 operation handler to set Tx power.
 */
static int
mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
358
			      struct wireless_dev *wdev,
359
			      enum nl80211_tx_power_setting type,
360
			      int mbm)
361
{
362 363
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
364
	struct mwifiex_power_cfg power_cfg;
365
	int dbm = MBM_TO_DBM(mbm);
366

367 368 369 370 371 372 373
	if (type == NL80211_TX_POWER_FIXED) {
		power_cfg.is_power_auto = 0;
		power_cfg.power_level = dbm;
	} else {
		power_cfg.is_power_auto = 1;
	}

374 375
	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);

376
	return mwifiex_set_tx_power(priv, &power_cfg);
377 378
}

379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401
/*
 * CFG802.11 operation handler to get Tx power.
 */
static int
mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
			      struct wireless_dev *wdev,
			      int *dbm)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
							MWIFIEX_BSS_ROLE_ANY);
	int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
				   HostCmd_ACT_GEN_GET, 0, NULL, true);

	if (ret < 0)
		return ret;

	/* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
	*dbm = priv->tx_power_level;

	return 0;
}

402 403 404 405 406 407 408 409 410 411
/*
 * 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)
{
412
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
413
	u32 ps_mode;
414 415

	if (timeout)
416 417
		mwifiex_dbg(priv->adapter, INFO,
			    "info: ignore timeout value for IEEE Power Save\n");
418

419
	ps_mode = enabled;
420

421
	return mwifiex_drv_set_power(priv, &ps_mode);
422 423 424 425 426 427 428 429 430 431
}

/*
 * 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)
{
432
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
433

434
	/* Return if WEP key not configured */
435
	if (!priv->sec_info.wep_enabled)
436 437
		return 0;

438 439
	if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
		priv->wep_key_curr_index = key_index;
440 441
	} else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
				      NULL, 0)) {
442
		mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
443
		return -EFAULT;
444
	}
445 446 447 448 449 450 451 452 453 454 455 456

	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)
{
457
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
458
	struct mwifiex_wep_key *wep_key;
459 460
	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
461

462 463 464 465 466 467 468 469 470 471 472 473 474 475 476
	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;
	}

477
	if (mwifiex_set_encode(priv, params, params->key, params->key_len,
478
			       key_index, peer_mac, 0)) {
479
		mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
480
		return -EFAULT;
481
	}
482 483 484 485

	return 0;
}

486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508
/*
 * CFG802.11 operation handler to set default mgmt key.
 */
static int
mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
				      struct net_device *netdev,
				      u8 key_index)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
	struct mwifiex_ds_encrypt_key encrypt_key;

	wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);

	memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
	encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
	encrypt_key.key_index = key_index;
	encrypt_key.is_igtk_def_key = true;
	eth_broadcast_addr(encrypt_key.mac_addr);

	return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
				HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
}

509 510 511 512 513 514 515
/*
 * 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)
 */
516
int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
517 518 519 520 521 522
{
	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;
523
	enum nl80211_band band;
524 525
	struct ieee80211_supported_band *sband;
	struct ieee80211_channel *ch;
526 527
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
528 529 530
	struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;

	/* Set country code */
531 532
	domain_info->country_code[0] = adapter->country_code[0];
	domain_info->country_code[1] = adapter->country_code[1];
533 534 535 536
	domain_info->country_code[2] = ' ';

	band = mwifiex_band_to_radio_type(adapter->config_bands);
	if (!wiphy->bands[band]) {
537 538
		mwifiex_dbg(adapter, ERROR,
			    "11D: setting domain info in FW\n");
539 540 541 542 543 544 545 546 547 548 549 550 551 552
		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;
553
			max_pwr = ch->max_power;
554 555 556 557 558
			no_of_parsed_chan = 1;
			continue;
		}

		if (ch->hw_value == next_chan + 1 &&
559
		    ch->max_power == max_pwr) {
560 561 562 563 564 565 566 567 568 569
			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;
570
			max_pwr = ch->max_power;
571 572 573 574 575 576 577 578 579 580 581 582 583
			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;
584

585 586
	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);

587 588
	if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
			     HostCmd_ACT_GEN_SET, 0, NULL, false)) {
589 590
		mwifiex_dbg(adapter, INFO,
			    "11D: setting domain info in FW\n");
591 592
		return -1;
	}
593

594
	return 0;
595 596
}

597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614
static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
{
	struct ieee80211_supported_band *sband;
	struct ieee80211_channel *chan;
	unsigned int i;

	if (!wiphy->bands[NL80211_BAND_5GHZ])
		return;
	sband = wiphy->bands[NL80211_BAND_5GHZ];

	for (i = 0; i < sband->n_channels; i++) {
		chan = &sband->channels[i];
		if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
		    (chan->flags & IEEE80211_CHAN_RADAR))
			chan->flags |= IEEE80211_CHAN_NO_IR;
	}
}

615 616 617 618 619 620 621 622 623 624
/*
 * 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
 */
625 626
static void mwifiex_reg_notifier(struct wiphy *wiphy,
				 struct regulatory_request *request)
627
{
628
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
629 630
	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
							MWIFIEX_BSS_ROLE_ANY);
631 632 633
	mwifiex_dbg(adapter, INFO,
		    "info: cfg80211 regulatory domain callback for %c%c\n",
		    request->alpha2[0], request->alpha2[1]);
634
	mwifiex_reg_apply_radar_flags(wiphy);
635 636 637 638 639 640 641

	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;
642
	default:
643 644 645
		mwifiex_dbg(adapter, ERROR,
			    "unknown regdom initiator: %d\n",
			    request->initiator);
646 647 648 649 650 651 652 653 654 655
		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);
656
		mwifiex_dnld_txpwr_table(priv);
657 658 659 660 661 662
	}
}

/*
 * This function sets the fragmentation threshold.
 *
663
 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
664 665 666 667 668
 * and MWIFIEX_FRAG_MAX_VALUE.
 */
static int
mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
{
669 670
	if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
	    frag_thr > MWIFIEX_FRAG_MAX_VALUE)
671
		frag_thr = MWIFIEX_FRAG_MAX_VALUE;
672

673 674 675
	return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
				HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
				&frag_thr, true);
676 677 678 679
}

/*
 * This function sets the RTS threshold.
680 681 682

 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
 * and MWIFIEX_RTS_MAX_VALUE.
683 684 685 686 687 688 689
 */
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;

690 691 692
	return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
				HostCmd_ACT_GEN_SET, RTS_THRESH_I,
				&rts_thr, true);
693 694 695 696 697 698 699 700 701 702 703
}

/*
 * 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)
{
704
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
705 706
	struct mwifiex_private *priv;
	struct mwifiex_uap_bss_param *bss_cfg;
707 708 709
	int ret;

	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
710

711 712 713
	switch (priv->bss_role) {
	case MWIFIEX_BSS_ROLE_UAP:
		if (priv->bss_started) {
714 715
			mwifiex_dbg(adapter, ERROR,
				    "cannot change wiphy params when bss started");
716 717
			return -EINVAL;
		}
718

719 720 721
		bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
		if (!bss_cfg)
			return -ENOMEM;
722

723
		mwifiex_set_sys_config_invalid_data(bss_cfg);
724

725 726 727 728 729 730
		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;
731

732 733 734 735 736 737 738
		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) {
739 740
			mwifiex_dbg(adapter, ERROR,
				    "Failed to set wiphy phy params\n");
741 742 743
			return ret;
		}
		break;
744

745
	case MWIFIEX_BSS_ROLE_STA:
746
		if (priv->media_connected) {
747 748
			mwifiex_dbg(adapter, ERROR,
				    "cannot change wiphy params when connected");
749 750 751 752 753 754 755
			return -EINVAL;
		}
		if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
			ret = mwifiex_set_rts(priv,
					      wiphy->rts_threshold);
			if (ret)
				return ret;
756
		}
757 758 759 760 761 762 763
		if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
			ret = mwifiex_set_frag(priv,
					       wiphy->frag_threshold);
			if (ret)
				return ret;
		}
		break;
764 765 766
	}

	return 0;
767 768
}

769 770 771 772 773
static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
	u16 mode = P2P_MODE_DISABLE;

774 775
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
		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;
795 796
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
797 798 799
		return -1;

	mode = P2P_MODE_CLIENT;
800 801
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
802 803 804 805 806
		return -1;

	return 0;
}

807 808 809 810 811 812 813 814 815 816 817 818 819 820
/*
 * 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;
821 822
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
823 824 825
		return -1;

	mode = P2P_MODE_GO;
826 827
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
828 829
		return -1;

830 831 832 833 834
	return 0;
}

static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
{
835 836 837
	struct mwifiex_adapter *adapter = priv->adapter;
	unsigned long flags;

838 839 840 841
	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)) {
842 843
		mwifiex_dbg(adapter, ERROR,
			    "could not unregister mgmt frame rx\n");
844 845 846 847
		return -1;
	}

	mwifiex_deauthenticate(priv, NULL);
848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866

	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);
	}

867 868 869 870 871 872 873 874 875 876 877 878 879
	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)
{
880 881 882
	struct mwifiex_adapter *adapter = priv->adapter;
	unsigned long flags;

883 884 885 886 887 888 889 890 891 892 893
	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
894 895
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_STA);
896 897 898 899
		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
900 901
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_P2P);
902 903 904
		priv->bss_role =  MWIFIEX_BSS_ROLE_STA;
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
		break;
905
	case NL80211_IFTYPE_P2P_GO:
S
Shengzhen Li 已提交
906 907
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_P2P);
908 909 910
		priv->bss_role =  MWIFIEX_BSS_ROLE_UAP;
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
		break;
911
	case NL80211_IFTYPE_AP:
S
Shengzhen Li 已提交
912 913
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_UAP);
914 915 916 917
		priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
		priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
		break;
	default:
918 919 920
		mwifiex_dbg(adapter, ERROR,
			    "%s: changing to %d not supported\n",
			    dev->name, type);
921 922
		return -EOPNOTSUPP;
	}
923

924 925 926 927 928 929 930 931
	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);

932 933 934
	return 0;
}

935 936 937
static int
mwifiex_change_vif_to_p2p(struct net_device *dev,
			  enum nl80211_iftype curr_iftype,
938
			  enum nl80211_iftype type,
939 940 941 942 943 944 945 946 947 948 949 950 951 952
			  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) {
953 954
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple P2P ifaces\n");
955 956 957
		return -1;
	}

958 959
	mwifiex_dbg(adapter, INFO,
		    "%s: changing role to p2p\n", dev->name);
960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975

	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:
976 977 978
		mwifiex_dbg(adapter, ERROR,
			    "%s: changing to %d not supported\n",
			    dev->name, type);
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
		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,
1010
				enum nl80211_iftype type,
1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
				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)) {
1027 1028
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple station/adhoc ifaces\n");
1029 1030 1031 1032
		return -1;
	}

	if (type == NL80211_IFTYPE_STATION)
1033 1034
		mwifiex_dbg(adapter, INFO,
			    "%s: changing role to station\n", dev->name);
1035
	else
1036 1037
		mwifiex_dbg(adapter, INFO,
			    "%s: changing role to adhoc\n", dev->name);
1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068

	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,
1069
			 enum nl80211_iftype type,
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
			 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) {
1084 1085
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple AP ifaces\n");
1086 1087 1088
		return -1;
	}

1089 1090
	mwifiex_dbg(adapter, INFO,
		    "%s: changing role to AP\n", dev->name);
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118

	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;
}
1119 1120 1121 1122 1123 1124
/*
 * CFG802.11 operation handler to change interface type.
 */
static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
				     struct net_device *dev,
1125
				     enum nl80211_iftype type,
1126 1127 1128
				     struct vif_params *params)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1129
	enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1130

1131
	switch (curr_iftype) {
1132
	case NL80211_IFTYPE_ADHOC:
1133 1134
		switch (type) {
		case NL80211_IFTYPE_STATION:
1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145
			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,
1146
							 type, params);
1147 1148
		case NL80211_IFTYPE_AP:
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1149
							params);
1150
		case NL80211_IFTYPE_UNSPECIFIED:
1151 1152
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as IBSS\n", dev->name);
1153 1154 1155
		case NL80211_IFTYPE_ADHOC:	/* This shouldn't happen */
			return 0;
		default:
1156 1157 1158
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1159 1160
			return -EOPNOTSUPP;
		}
1161 1162
		break;
	case NL80211_IFTYPE_STATION:
1163 1164
		switch (type) {
		case NL80211_IFTYPE_ADHOC:
1165 1166 1167
			priv->bss_mode = type;
			priv->sec_info.authentication_mode =
						   NL80211_AUTHTYPE_OPEN_SYSTEM;
1168
			dev->ieee80211_ptr->iftype = type;
1169 1170 1171 1172 1173
			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:
1174
		case NL80211_IFTYPE_P2P_GO:
1175
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1176
							 type, params);
1177 1178
		case NL80211_IFTYPE_AP:
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1179
							params);
1180
		case NL80211_IFTYPE_UNSPECIFIED:
1181 1182
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as STA\n", dev->name);
1183 1184 1185
		case NL80211_IFTYPE_STATION:	/* This shouldn't happen */
			return 0;
		default:
1186 1187 1188
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1189 1190 1191 1192 1193
			return -EOPNOTSUPP;
		}
		break;
	case NL80211_IFTYPE_AP:
		switch (type) {
1194 1195 1196
		case NL80211_IFTYPE_ADHOC:
		case NL80211_IFTYPE_STATION:
			return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1197
							       type, params);
1198 1199 1200 1201
			break;
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1202
							 type, params);
1203
		case NL80211_IFTYPE_UNSPECIFIED:
1204 1205
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as AP\n", dev->name);
1206 1207 1208
		case NL80211_IFTYPE_AP:		/* This shouldn't happen */
			return 0;
		default:
1209 1210 1211
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1212 1213
			return -EOPNOTSUPP;
		}
1214
		break;
1215
	case NL80211_IFTYPE_P2P_CLIENT:
1216
	case NL80211_IFTYPE_P2P_GO:
1217 1218
		switch (type) {
		case NL80211_IFTYPE_STATION:
1219
			if (mwifiex_cfg80211_deinit_p2p(priv))
1220
				return -EFAULT;
1221 1222
			priv->adapter->curr_iface_comb.p2p_intf--;
			priv->adapter->curr_iface_comb.sta_intf++;
1223
			dev->ieee80211_ptr->iftype = type;
1224 1225 1226 1227 1228 1229
			if (mwifiex_deinit_priv_params(priv))
				return -1;
			if (mwifiex_init_new_priv_params(priv, dev, type))
				return -1;
			if (mwifiex_sta_init_cmd(priv, false, false))
				return -1;
1230 1231 1232 1233 1234
			break;
		case NL80211_IFTYPE_ADHOC:
			if (mwifiex_cfg80211_deinit_p2p(priv))
				return -EFAULT;
			return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1235
							       type, params);
1236 1237 1238 1239 1240
			break;
		case NL80211_IFTYPE_AP:
			if (mwifiex_cfg80211_deinit_p2p(priv))
				return -EFAULT;
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1241
							params);
1242
		case NL80211_IFTYPE_UNSPECIFIED:
1243 1244
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as P2P\n", dev->name);
1245 1246
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
1247 1248
			return 0;
		default:
1249 1250 1251
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1252 1253 1254
			return -EOPNOTSUPP;
		}
		break;
1255
	default:
1256 1257 1258
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: unknown iftype: %d\n",
			    dev->name, dev->ieee80211_ptr->iftype);
1259
		return -EOPNOTSUPP;
1260 1261
	}

1262

1263
	return 0;
1264 1265
}

1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288
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:
1289
				rate->bw = RATE_INFO_BW_20;
1290 1291
				break;
			case (BIT(2)):
1292
				rate->bw = RATE_INFO_BW_40;
1293 1294
				break;
			case (BIT(3)):
1295
				rate->bw = RATE_INFO_BW_80;
1296 1297
				break;
			case (BIT(3) | BIT(2)):
1298
				rate->bw = RATE_INFO_BW_160;
1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317
				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;
1318
			rate->bw = RATE_INFO_BW_20;
1319
			if (tx_htinfo & BIT(1))
1320
				rate->bw = RATE_INFO_BW_40;
1321 1322 1323 1324 1325 1326
			if (tx_htinfo & BIT(2))
				rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
		}
	}
}

1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339
/*
 * 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,
1340
			  struct mwifiex_sta_node *node,
1341 1342
			  struct station_info *sinfo)
{
1343
	u32 rate;
1344

1345 1346 1347 1348
	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);
1349

1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373
	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;
	}

1374
	/* Get signal information from the firmware */
1375 1376
	if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
			     HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1377 1378
		mwifiex_dbg(priv->adapter, ERROR,
			    "failed to get signal information\n");
1379
		return -EFAULT;
1380 1381 1382
	}

	if (mwifiex_drv_get_data_rate(priv, &rate)) {
1383 1384
		mwifiex_dbg(priv->adapter, ERROR,
			    "getting data rate error\n");
1385
		return -EFAULT;
1386 1387
	}

1388
	/* Get DTIM period information from firmware */
1389 1390 1391
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
			 &priv->dtim_period, true);
1392

1393
	mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1394

1395
	sinfo->signal_avg = priv->bcn_rssi_avg;
1396 1397 1398 1399
	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;
1400
	sinfo->signal = priv->bcn_rssi_avg;
1401
	/* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1402
	sinfo->txrate.legacy = rate * 5;
1403

1404
	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1405
		sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1406 1407 1408 1409 1410 1411 1412 1413 1414
		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;
1415
		sinfo->bss_param.dtim_period = priv->dtim_period;
1416 1417 1418 1419
		sinfo->bss_param.beacon_interval =
			priv->curr_bss_params.bss_descriptor.beacon_period;
	}

1420
	return 0;
1421 1422 1423 1424 1425 1426 1427 1428 1429 1430
}

/*
 * 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,
1431
			     const u8 *mac, struct station_info *sinfo)
1432 1433 1434 1435 1436 1437 1438 1439
{
	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;

1440
	return mwifiex_dump_station_info(priv, NULL, sinfo);
1441 1442
}

1443 1444 1445 1446 1447 1448 1449 1450
/*
 * 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);
1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464
	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;
		}
1465

1466 1467 1468 1469 1470 1471
		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);
		}
	}
1472

1473
	return -ENOENT;
1474 1475
}

1476 1477 1478 1479 1480 1481
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;
1482
	enum nl80211_band band;
1483

1484
	mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513

	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 |
1514 1515
			 SURVEY_INFO_TIME |
			 SURVEY_INFO_TIME_BUSY;
1516
	survey->noise = pchan_stats[idx].noise;
1517 1518
	survey->time = pchan_stats[idx].cca_scan_dur;
	survey->time_busy = pchan_stats[idx].cca_busy_dur;
1519 1520 1521 1522

	return 0;
}

1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560
/* 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,
1561
	.n_bitrates = ARRAY_SIZE(mwifiex_rates),
1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600
};

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),
1601 1602
	.bitrates = mwifiex_rates + 4,
	.n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1603 1604 1605 1606 1607 1608 1609 1610 1611
};


/* 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,
1612
	WLAN_CIPHER_SUITE_SMS4,
1613
	WLAN_CIPHER_SUITE_AES_CMAC,
1614 1615
};

1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
/* 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),
	},
};

1645 1646 1647
/*
 * CFG802.11 operation handler for setting bit rates.
 *
1648 1649
 * Function configures data rates to firmware using bitrate mask
 * provided by cfg80211.
1650 1651 1652 1653 1654 1655 1656
 */
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);
1657
	u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1658
	enum nl80211_band band;
1659
	struct mwifiex_adapter *adapter = priv->adapter;
1660

1661
	if (!priv->media_connected) {
1662 1663
		mwifiex_dbg(adapter, ERROR,
			    "Can not set Tx data rate in disconnected state\n");
1664
		return -EINVAL;
1665 1666
	}

1667
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1668

1669
	memset(bitmap_rates, 0, sizeof(bitmap_rates));
1670

1671
	/* Fill HR/DSSS rates. */
1672
	if (band == NL80211_BAND_2GHZ)
1673
		bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1674

1675
	/* Fill OFDM rates */
1676
	if (band == NL80211_BAND_2GHZ)
1677 1678 1679 1680
		bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
	else
		bitmap_rates[1] = mask->control[band].legacy;

1681 1682
	/* Fill HT MCS rates */
	bitmap_rates[2] = mask->control[band].ht_mcs[0];
1683
	if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1684
		bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1685

1686 1687 1688 1689 1690 1691 1692
       /* 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];
	}

1693 1694
	return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
				HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1695 1696
}

1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722
/*
 * 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;
1723 1724 1725
		return mwifiex_send_cmd(priv,
					HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					0, 0, &subsc_evt, true);
1726 1727
	} else {
		subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1728 1729 1730
		return mwifiex_send_cmd(priv,
					HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					0, 0, &subsc_evt, true);
1731 1732 1733 1734 1735
	}

	return 0;
}

1736 1737 1738 1739 1740 1741 1742 1743
/* 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);
1744 1745 1746
	struct mwifiex_adapter *adapter = priv->adapter;

	mwifiex_cancel_scan(adapter);
1747

1748
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1749 1750
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: bss_type mismatched\n", __func__);
1751 1752 1753 1754
		return -EINVAL;
	}

	if (!priv->bss_started) {
1755 1756
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: bss not started\n", __func__);
1757 1758 1759 1760
		return -EINVAL;
	}

	if (mwifiex_set_mgmt_ies(priv, data)) {
1761 1762
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: setting mgmt ies failed\n", __func__);
1763 1764 1765 1766 1767 1768
		return -EFAULT;
	}

	return 0;
}

A
Avinash Patil 已提交
1769 1770 1771 1772 1773 1774 1775 1776
/* 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,
1777
			     struct station_del_parameters *params)
A
Avinash Patil 已提交
1778 1779 1780
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_sta_node *sta_node;
1781
	u8 deauth_mac[ETH_ALEN];
A
Avinash Patil 已提交
1782 1783
	unsigned long flags;

1784 1785 1786 1787 1788
	if (!priv->bss_started && priv->wdev.cac_started) {
		mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
		mwifiex_abort_cac(priv);
	}

A
Avinash Patil 已提交
1789 1790 1791
	if (list_empty(&priv->sta_list) || !priv->bss_started)
		return 0;

1792 1793 1794
	if (!params->mac || is_broadcast_ether_addr(params->mac))
		return 0;

1795 1796
	mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
		    __func__, params->mac);
1797

1798
	eth_zero_addr(deauth_mac);
1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810

	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
1811 1812 1813 1814 1815
	}

	return 0;
}

1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
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;
		}
1843 1844 1845
	} else {
		struct ieee80211_sta_ht_cap *ht_info;
		int rx_mcs_supp;
1846
		enum nl80211_band band;
1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859

		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;
		}

1860
		for (band = 0; band < NUM_NL80211_BANDS; band++) {
1861 1862 1863 1864 1865 1866 1867 1868 1869
			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);
		}
1870 1871 1872 1873 1874
	}

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

1875 1876
	return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
				HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1877 1878
}

1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893
static int
mwifiex_cfg80211_get_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);
	mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
			 HostCmd_ACT_GEN_GET, 0, NULL, true);

	*tx_ant = priv->tx_ant;
	*rx_ant = priv->rx_ant;

	return 0;
}

1894 1895 1896 1897 1898 1899 1900
/* 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);

1901 1902
	mwifiex_abort_cac(priv);

A
Avinash Patil 已提交
1903
	if (mwifiex_del_mgmt_ies(priv))
1904 1905
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to delete mgmt IEs!\n");
A
Avinash Patil 已提交
1906

1907
	priv->ap_11n_enabled = 0;
1908
	memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1909

1910 1911
	if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1912 1913
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to stop the BSS\n");
1914 1915 1916
		return -1;
	}

1917 1918 1919 1920 1921 1922 1923
	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;
	}

1924 1925 1926 1927
	if (netif_carrier_ok(priv->netdev))
		netif_carrier_off(priv->netdev);
	mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);

1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942
	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);

1943
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
A
Avinash Patil 已提交
1944 1945
		return -1;

1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960
	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;
	}
1961 1962 1963 1964 1965
	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;
	}
1966

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
	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:
1977
		kfree(bss_cfg);
1978 1979 1980
		return -EINVAL;
	}

1981
	mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
A
Avinash Patil 已提交
1982
	mwifiex_set_uap_rates(bss_cfg, params);
1983

A
Avinash Patil 已提交
1984
	if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1985 1986
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to parse secuirty parameters!\n");
1987
		goto out;
A
Avinash Patil 已提交
1988 1989
	}

1990
	mwifiex_set_ht_params(priv, bss_cfg, params);
1991 1992 1993 1994 1995 1996 1997

	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);
	}

1998 1999 2000 2001 2002
	if (priv->ap_11ac_enabled)
		mwifiex_set_11ac_ba_params(priv);
	else
		mwifiex_set_ba_params(priv);

2003
	mwifiex_set_wmm_params(priv, bss_cfg, params);
2004

2005 2006 2007
	if (mwifiex_is_11h_active(priv))
		mwifiex_set_tpc_params(priv, bss_cfg, params);

2008 2009 2010
	if (mwifiex_is_11h_active(priv) &&
	    !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
					   priv->bss_mode)) {
2011 2012
		mwifiex_dbg(priv->adapter, INFO,
			    "Disable 11h extensions in FW\n");
2013
		if (mwifiex_11h_activate(priv, false)) {
2014 2015
			mwifiex_dbg(priv->adapter, ERROR,
				    "Failed to disable 11h extensions!!");
2016
			goto out;
2017
		}
2018
		priv->state_11h.is_11h_active = false;
2019 2020
	}

2021
	if (mwifiex_config_start_uap(priv, bss_cfg)) {
2022 2023
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to start AP\n");
2024
		goto out;
2025 2026
	}

2027
	if (mwifiex_set_mgmt_ies(priv, &params->beacon))
2028
		goto out;
2029 2030 2031 2032

	if (!netif_carrier_ok(priv->netdev))
		netif_carrier_on(priv->netdev);
	mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2033

2034
	memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2035 2036
	kfree(bss_cfg);
	return 0;
2037 2038 2039 2040

out:
	kfree(bss_cfg);
	return -1;
2041 2042
}

2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054
/*
 * 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);

X
Xinming Hu 已提交
2055
	if (!mwifiex_stop_bg_scan(priv))
2056
		cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
X
Xinming Hu 已提交
2057

2058
	if (mwifiex_deauthenticate(priv, NULL))
2059 2060
		return -EFAULT;

2061
	eth_zero_addr(priv->cfg_bssid);
2062
	priv->hs2_enabled = false;
2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081

	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;
2082
	struct cfg80211_bss *bss;
2083
	int ie_len;
2084
	u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2085
	enum nl80211_band band;
2086

2087 2088
	if (mwifiex_get_bss_info(priv, &bss_info))
		return -1;
2089 2090 2091 2092 2093

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

	memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2094
	       &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2095 2096
	ie_len = ie_buf[1] + sizeof(struct ieee_types_header);

2097
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2098
	chan = ieee80211_get_channel(priv->wdev.wiphy,
2099
			ieee80211_channel_to_frequency(bss_info.bss_chan,
2100
						       band));
2101

2102
	bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2103
				  CFG80211_BSS_FTYPE_UNKNOWN,
2104 2105
				  bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
				  0, ie_buf, ie_len, 0, GFP_KERNEL);
2106 2107 2108 2109
	if (bss) {
		cfg80211_put_bss(priv->wdev.wiphy, bss);
		ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
	}
2110

2111
	return 0;
2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125
}

/*
 * 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,
2126
 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2127 2128
 */
static int
2129 2130 2131
mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
		       const u8 *ssid, const u8 *bssid, int mode,
		       struct ieee80211_channel *channel,
2132 2133
		       struct cfg80211_connect_params *sme, bool privacy)
{
2134
	struct cfg80211_ssid req_ssid;
2135
	int ret, auth_type = 0;
2136
	struct cfg80211_bss *bss = NULL;
2137
	u8 is_scanning_required = 0;
2138

2139
	memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2140 2141 2142

	req_ssid.ssid_len = ssid_len;
	if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2143
		mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2144 2145 2146 2147 2148
		return -EINVAL;
	}

	memcpy(req_ssid.ssid, ssid, ssid_len);
	if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2149
		mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2150 2151 2152
		return -EINVAL;
	}

2153 2154 2155 2156 2157
	/* 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;
2158
	priv->sec_info.encryption_mode = 0;
2159
	priv->sec_info.is_authtype_auto = 0;
2160
	ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2161

2162
	if (mode == NL80211_IFTYPE_ADHOC) {
2163 2164 2165 2166 2167 2168 2169 2170 2171 2172
		u16 enable = true;

		/* set ibss coalescing_status */
		ret = mwifiex_send_cmd(
				priv,
				HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
				HostCmd_ACT_GEN_SET, 0, &enable, true);
		if (ret)
			return ret;

2173 2174 2175
		/* "privacy" is set only for ad-hoc mode */
		if (privacy) {
			/*
2176
			 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2177 2178 2179 2180
			 * 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.
			 */
2181
			priv->sec_info.encryption_mode =
2182
					WLAN_CIPHER_SUITE_WEP104;
2183
			priv->sec_info.authentication_mode =
2184
					NL80211_AUTHTYPE_OPEN_SYSTEM;
2185 2186 2187 2188 2189 2190
		}

		goto done;
	}

	/* Now handle infra mode. "sme" is valid for infra mode only */
2191
	if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2192
		auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2193 2194 2195 2196
		priv->sec_info.is_authtype_auto = 1;
	} else {
		auth_type = sme->auth_type;
	}
2197 2198

	if (sme->crypto.n_ciphers_pairwise) {
2199 2200
		priv->sec_info.encryption_mode =
						sme->crypto.ciphers_pairwise[0];
2201
		priv->sec_info.authentication_mode = auth_type;
2202 2203 2204
	}

	if (sme->crypto.cipher_group) {
2205
		priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2206
		priv->sec_info.authentication_mode = auth_type;
2207 2208 2209 2210 2211
	}
	if (sme->ie)
		ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);

	if (sme->key) {
2212
		if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2213 2214 2215
			mwifiex_dbg(priv->adapter, INFO,
				    "info: setting wep encryption\t"
				    "with key len %d\n", sme->key_len);
2216
			priv->wep_key_curr_index = sme->key_idx;
2217 2218 2219
			ret = mwifiex_set_encode(priv, NULL, sme->key,
						 sme->key_len, sme->key_idx,
						 NULL, 0);
2220 2221 2222
		}
	}
done:
2223 2224 2225 2226 2227 2228 2229 2230 2231
	/*
	 * 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)) {
2232
				mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2233 2234 2235
				return -EFAULT;
			}
		}
2236

2237 2238
		/* Find the BSS we want using available scan results */
		if (mode == NL80211_IFTYPE_ADHOC)
2239
			bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2240
					       bssid, ssid, ssid_len,
2241 2242
					       IEEE80211_BSS_TYPE_IBSS,
					       IEEE80211_PRIVACY_ANY);
2243
		else
2244
			bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2245
					       bssid, ssid, ssid_len,
2246 2247
					       IEEE80211_BSS_TYPE_ESS,
					       IEEE80211_PRIVACY_ANY);
2248 2249 2250

		if (!bss) {
			if (is_scanning_required) {
2251 2252
				mwifiex_dbg(priv->adapter, WARN,
					    "assoc: requested bss not found in scan results\n");
2253 2254 2255 2256
				break;
			}
			is_scanning_required = 1;
		} else {
2257
			mwifiex_dbg(priv->adapter, MSG,
2258 2259 2260
				    "info: trying to associate to '%.*s' bssid %pM\n",
				    req_ssid.ssid_len, (char *)req_ssid.ssid,
				    bss->bssid);
2261 2262 2263
			memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
			break;
		}
2264 2265
	}

2266 2267 2268
	ret = mwifiex_bss_start(priv, bss, &req_ssid);
	if (ret)
		return ret;
2269

2270
	if (mode == NL80211_IFTYPE_ADHOC) {
2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291
		/* 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);
2292
	struct mwifiex_adapter *adapter = priv->adapter;
2293
	int ret;
2294

2295
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2296 2297 2298
		mwifiex_dbg(adapter, ERROR,
			    "%s: reject infra assoc request in non-STA role\n",
			    dev->name);
2299
		return -EINVAL;
2300 2301
	}

2302
	if (priv->wdev.current_bss) {
2303 2304
		mwifiex_dbg(adapter, ERROR,
			    "%s: already connected\n", dev->name);
2305 2306 2307
		return -EALREADY;
	}

2308 2309 2310
	if (priv->scan_block)
		priv->scan_block = false;

2311
	if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2312 2313 2314 2315
		mwifiex_dbg(adapter, ERROR,
			    "%s: Ignore connection.\t"
			    "Card removed or FW in bad state\n",
			    dev->name);
2316 2317 2318
		return -EFAULT;
	}

2319
	mwifiex_dbg(adapter, INFO,
2320 2321
		    "info: Trying to associate to %.*s and bssid %pM\n",
		    (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
2322

X
Xinming Hu 已提交
2323
	if (!mwifiex_stop_bg_scan(priv))
2324
		cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
X
Xinming Hu 已提交
2325

2326
	ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2327
				     priv->bss_mode, sme->channel, sme, 0);
A
Amitkumar Karwar 已提交
2328 2329 2330 2331
	if (!ret) {
		cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
					NULL, 0, WLAN_STATUS_SUCCESS,
					GFP_KERNEL);
2332 2333 2334
		mwifiex_dbg(priv->adapter, MSG,
			    "info: associated to bssid %pM successfully\n",
			    priv->cfg_bssid);
A
Avinash Patil 已提交
2335 2336 2337 2338
		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
2339
	} else {
2340 2341 2342
		mwifiex_dbg(priv->adapter, ERROR,
			    "info: association to bssid %pM failed\n",
			    priv->cfg_bssid);
2343
		eth_zero_addr(priv->cfg_bssid);
2344 2345 2346 2347 2348 2349 2350 2351 2352 2353

		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
2354 2355
	}

2356
	return 0;
2357 2358
}

2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372
/*
 * 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;

2373
	if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397
		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;
			}
		}

2398 2399
		if (cfg80211_get_chandef_type(&params->chandef) !=
						NL80211_CHAN_NO_HT)
2400
			config_bands |= BAND_G | BAND_GN;
2401
	} else {
2402
		if (cfg80211_get_chandef_type(&params->chandef) ==
2403
						NL80211_CHAN_NO_HT)
2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419
			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 =
2420 2421 2422 2423
		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);
2424

2425 2426 2427 2428
	mwifiex_dbg(adapter, INFO,
		    "info: set ibss band %d, chan %d, chan offset %d\n",
		    config_bands, priv->adhoc_channel,
		    adapter->sec_chan_offset);
2429 2430 2431 2432

	return 0;
}

2433 2434 2435 2436 2437 2438 2439 2440 2441 2442
/*
 * 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)
{
2443
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2444 2445
	int ret = 0;

2446
	if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2447 2448 2449
		mwifiex_dbg(priv->adapter, ERROR,
			    "request to join ibss received\t"
			    "when station is not in ibss mode\n");
2450 2451 2452
		goto done;
	}

2453
	mwifiex_dbg(priv->adapter, MSG,
2454 2455
		    "info: trying to join to %.*s and bssid %pM\n",
		    params->ssid_len, (char *)params->ssid, params->bssid);
2456

2457 2458
	mwifiex_set_ibss_params(priv, params);

2459
	ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2460
				     params->bssid, priv->bss_mode,
2461 2462
				     params->chandef.chan, NULL,
				     params->privacy);
2463
done:
A
Amitkumar Karwar 已提交
2464
	if (!ret) {
2465 2466
		cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
				     params->chandef.chan, GFP_KERNEL);
2467 2468 2469
		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
2470
	} else {
2471 2472
		mwifiex_dbg(priv->adapter, ERROR,
			    "info: failed creating/joining adhoc network\n");
A
Amitkumar Karwar 已提交
2473 2474
	}

2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486
	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)
{
2487
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2488

2489 2490
	mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
		    priv->cfg_bssid);
2491
	if (mwifiex_deauthenticate(priv, NULL))
2492 2493
		return -EFAULT;

2494
	eth_zero_addr(priv->cfg_bssid);
2495 2496 2497 2498 2499 2500 2501 2502

	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
2503
 * the user specified scan configuration. On successful completion,
2504 2505 2506
 * it also informs the results.
 */
static int
J
Johannes Berg 已提交
2507
mwifiex_cfg80211_scan(struct wiphy *wiphy,
2508 2509
		      struct cfg80211_scan_request *request)
{
J
Johannes Berg 已提交
2510
	struct net_device *dev = request->wdev->netdev;
2511
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2512
	int i, offset, ret;
A
Amitkumar Karwar 已提交
2513
	struct ieee80211_channel *chan;
2514
	struct ieee_types_header *ie;
2515
	struct mwifiex_user_scan_cfg *user_scan_cfg;
2516

2517 2518
	mwifiex_dbg(priv->adapter, CMD,
		    "info: received scan request on %s\n", dev->name);
2519

2520 2521 2522 2523
	/* Block scan request if scan operation or scan cleanup when interface
	 * is disabled is in process
	 */
	if (priv->scan_request || priv->scan_aborting) {
2524 2525
		mwifiex_dbg(priv->adapter, WARN,
			    "cmd: Scan already in process..\n");
2526 2527 2528
		return -EBUSY;
	}

2529 2530 2531
	if (!priv->wdev.current_bss && priv->scan_block)
		priv->scan_block = false;

X
Xinming Hu 已提交
2532
	if (!mwifiex_stop_bg_scan(priv))
2533
		cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
X
Xinming Hu 已提交
2534

2535 2536
	user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
	if (!user_scan_cfg)
A
Amitkumar Karwar 已提交
2537
		return -ENOMEM;
2538

B
Bing Zhao 已提交
2539 2540
	priv->scan_request = request;

2541 2542 2543 2544 2545 2546 2547
	if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
		ether_addr_copy(priv->random_mac, request->mac_addr);
		for (i = 0; i < ETH_ALEN; i++) {
			priv->random_mac[i] &= request->mac_addr_mask[i];
			priv->random_mac[i] |= get_random_int() &
					       ~(request->mac_addr_mask[i]);
		}
2548 2549 2550
		ether_addr_copy(user_scan_cfg->random_mac, priv->random_mac);
	} else {
		eth_zero_addr(priv->random_mac);
2551 2552
	}

2553 2554
	user_scan_cfg->num_ssids = request->n_ssids;
	user_scan_cfg->ssid_list = request->ssids;
2555

A
Avinash Patil 已提交
2556
	if (request->ie && request->ie_len) {
2557
		offset = 0;
A
Avinash Patil 已提交
2558 2559 2560 2561
		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;
2562 2563 2564 2565 2566 2567
			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
2568 2569 2570
		}
	}

2571 2572
	for (i = 0; i < min_t(u32, request->n_channels,
			      MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
A
Amitkumar Karwar 已提交
2573
		chan = request->channels[i];
2574 2575
		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
2576

2577
		if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2578
			user_scan_cfg->chan_list[i].scan_type =
2579
						MWIFIEX_SCAN_TYPE_PASSIVE;
A
Amitkumar Karwar 已提交
2580
		else
2581
			user_scan_cfg->chan_list[i].scan_type =
2582
						MWIFIEX_SCAN_TYPE_ACTIVE;
A
Amitkumar Karwar 已提交
2583

2584
		user_scan_cfg->chan_list[i].scan_time = 0;
A
Amitkumar Karwar 已提交
2585
	}
2586

2587 2588 2589 2590 2591
	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;

2592 2593
	ret = mwifiex_scan_networks(priv, user_scan_cfg);
	kfree(user_scan_cfg);
2594
	if (ret) {
2595 2596
		mwifiex_dbg(priv->adapter, ERROR,
			    "scan failed: %d\n", ret);
2597
		priv->scan_aborting = false;
B
Bing Zhao 已提交
2598
		priv->scan_request = NULL;
2599 2600
		return ret;
	}
A
Amitkumar Karwar 已提交
2601

A
Avinash Patil 已提交
2602 2603 2604 2605 2606 2607 2608 2609 2610
	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);
			}
		}
	}
2611 2612 2613
	return 0;
}

X
Xinming Hu 已提交
2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699
/* CFG802.11 operation handler for sched_scan_start.
 *
 * This function issues a bgscan config request to the firmware based upon
 * the user specified sched_scan configuration. On successful completion,
 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
 * query command to get sched_scan results from firmware.
 */
static int
mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
				  struct net_device *dev,
				  struct cfg80211_sched_scan_request *request)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	int i, offset;
	struct ieee80211_channel *chan;
	struct mwifiex_bg_scan_cfg *bgscan_cfg;
	struct ieee_types_header *ie;

	if (!request || (!request->n_ssids && !request->n_match_sets)) {
		wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
			  __func__);
		return -EINVAL;
	}

	wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
		   request->n_ssids, request->n_match_sets);
	wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
		   request->n_channels, request->scan_plans->interval,
		   (int)request->ie_len);

	bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
	if (!bgscan_cfg)
		return -ENOMEM;

	if (priv->scan_request || priv->scan_aborting)
		bgscan_cfg->start_later = true;

	bgscan_cfg->num_ssids = request->n_match_sets;
	bgscan_cfg->ssid_list = request->match_sets;

	if (request->ie && request->ie_len) {
		offset = 0;
		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_BGSCAN;
			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;
		}
	}

	for (i = 0; i < min_t(u32, request->n_channels,
			      MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
		chan = request->channels[i];
		bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
		bgscan_cfg->chan_list[i].radio_type = chan->band;

		if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
			bgscan_cfg->chan_list[i].scan_type =
						MWIFIEX_SCAN_TYPE_PASSIVE;
		else
			bgscan_cfg->chan_list[i].scan_type =
						MWIFIEX_SCAN_TYPE_ACTIVE;

		bgscan_cfg->chan_list[i].scan_time = 0;
	}

	bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
					  MWIFIEX_BG_SCAN_CHAN_MAX);

	/* Use at least 15 second for per scan cycle */
	bgscan_cfg->scan_interval = (request->scan_plans->interval >
				     MWIFIEX_BGSCAN_INTERVAL) ?
				request->scan_plans->interval :
				MWIFIEX_BGSCAN_INTERVAL;

	bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
	bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
				MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
	bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
	bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
	bgscan_cfg->enable = true;
2700 2701 2702 2703
	if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
		bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
		bgscan_cfg->rssi_threshold = request->min_rssi_thold;
	}
X
Xinming Hu 已提交
2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722

	if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
			     HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
		kfree(bgscan_cfg);
		return -EFAULT;
	}

	priv->sched_scanning = true;

	kfree(bgscan_cfg);
	return 0;
}

/* CFG802.11 operation handler for sched_scan_stop.
 *
 * This function issues a bgscan config command to disable
 * previous bgscan configuration in the firmware
 */
static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2723
					    struct net_device *dev, u64 reqid)
X
Xinming Hu 已提交
2724 2725 2726 2727 2728 2729 2730 2731 2732
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	wiphy_info(wiphy, "sched scan stop!");
	mwifiex_stop_bg_scan(priv);

	return 0;
}

2733 2734 2735 2736 2737 2738 2739
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
2740
	vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2741 2742 2743 2744 2745 2746 2747 2748 2749
	/* 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;
}

2750 2751 2752 2753 2754 2755
/*
 * This function sets up the CFG802.11 specific HT capability fields
 * with default values.
 *
 * The following default values are set -
 *      - HT Supported = True
2756 2757 2758
 *      - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
 *      - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
 *      - HT Capabilities supported by firmware
2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771
 *      - 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;
2772 2773
	ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
	ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2774 2775 2776

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

2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792
	/* 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;

2793
	if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2794
		ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2795
	else
2796
		ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2797 2798 2799 2800 2801 2802

	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;

2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817
	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;

2818 2819 2820
	ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
	ht_info->cap |= IEEE80211_HT_CAP_SM_PS;

2821 2822
	rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
	/* Set MCS for 1x1/2x2 */
2823 2824 2825
	memset(mcs, 0xff, rx_mcs_supp);
	/* Clear all the other values */
	memset(&mcs[rx_mcs_supp], 0,
2826
	       sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2827
	if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2828
	    ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2829 2830 2831 2832 2833 2834 2835 2836
		/* 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;
}

2837
/*
2838
 *  create a new virtual interface with the given name and name assign type
2839
 */
2840
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2841
					      const char *name,
2842
					      unsigned char name_assign_type,
2843 2844
					      enum nl80211_iftype type,
					      struct vif_params *params)
2845
{
2846 2847
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
2848 2849
	struct net_device *dev;
	void *mdev_priv;
2850
	int ret;
2851 2852

	if (!adapter)
2853
		return ERR_PTR(-EFAULT);
2854 2855 2856 2857 2858

	switch (type) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
2859 2860
		if (adapter->curr_iface_comb.sta_intf ==
		    adapter->iface_limit.sta_intf) {
2861 2862
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple sta/adhoc ifaces\n");
2863
			return ERR_PTR(-EINVAL);
2864 2865
		}

S
Shengzhen Li 已提交
2866 2867
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_STA);
2868
		if (!priv) {
2869 2870
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2871 2872 2873
			return ERR_PTR(-EFAULT);
		}

2874 2875
		priv->wdev.wiphy = wiphy;
		priv->wdev.iftype = NL80211_IFTYPE_STATION;
2876

2877 2878 2879 2880 2881 2882 2883
		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;
2884
		priv->bss_priority = 0;
2885 2886
		priv->bss_role = MWIFIEX_BSS_ROLE_STA;

2887 2888
		break;
	case NL80211_IFTYPE_AP:
2889 2890
		if (adapter->curr_iface_comb.uap_intf ==
		    adapter->iface_limit.uap_intf) {
2891 2892
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple AP ifaces\n");
2893
			return ERR_PTR(-EINVAL);
2894 2895
		}

S
Shengzhen Li 已提交
2896 2897
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_UAP);
2898
		if (!priv) {
2899 2900
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2901 2902 2903
			return ERR_PTR(-EFAULT);
		}

2904 2905
		priv->wdev.wiphy = wiphy;
		priv->wdev.iftype = NL80211_IFTYPE_AP;
2906 2907 2908

		priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2909
		priv->bss_priority = 0;
2910 2911 2912 2913
		priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
		priv->bss_started = 0;
		priv->bss_mode = type;

S
Stone Piao 已提交
2914 2915
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
2916 2917
		if (adapter->curr_iface_comb.p2p_intf ==
		    adapter->iface_limit.p2p_intf) {
2918 2919
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple P2P ifaces\n");
S
Stone Piao 已提交
2920 2921 2922
			return ERR_PTR(-EINVAL);
		}

S
Shengzhen Li 已提交
2923 2924
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_P2P);
2925
		if (!priv) {
2926 2927
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2928 2929
			return ERR_PTR(-EFAULT);
		}
S
Stone Piao 已提交
2930

2931
		priv->wdev.wiphy = wiphy;
S
Stone Piao 已提交
2932 2933 2934
		/* At start-up, wpa_supplicant tries to change the interface
		 * to NL80211_IFTYPE_STATION if it is not managed mode.
		 */
2935
		priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2936
		priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
S
Stone Piao 已提交
2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948

		/* 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;

2949
		if (mwifiex_cfg80211_init_p2p_client(priv)) {
2950 2951 2952
			memset(&priv->wdev, 0, sizeof(priv->wdev));
			priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
			return ERR_PTR(-EFAULT);
2953
		}
2954

2955 2956
		break;
	default:
2957
		mwifiex_dbg(adapter, ERROR, "type not supported\n");
2958
		return ERR_PTR(-EINVAL);
2959 2960
	}

A
Avinash Patil 已提交
2961
	dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2962
			       name_assign_type, ether_setup,
2963
			       IEEE80211_NUM_ACS, 1);
2964
	if (!dev) {
2965 2966
		mwifiex_dbg(adapter, ERROR,
			    "no memory available for netdevice\n");
2967 2968
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2969
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2970
		return ERR_PTR(-ENOMEM);
2971 2972
	}

2973 2974 2975
	mwifiex_init_priv_params(priv, dev);
	priv->netdev = dev;

2976 2977
	ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
			       HostCmd_ACT_GEN_SET, 0, NULL, true);
2978
	if (ret)
2979 2980 2981
		return ERR_PTR(ret);

	ret = mwifiex_sta_init_cmd(priv, false, false);
2982
	if (ret)
2983 2984
		return ERR_PTR(ret);

2985
	mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
2986 2987
	if (adapter->is_hw_11ac_capable)
		mwifiex_setup_vht_caps(
2988
			&wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
2989 2990 2991

	if (adapter->config_bands & BAND_A)
		mwifiex_setup_ht_caps(
2992
			&wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
2993

2994 2995
	if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
		mwifiex_setup_vht_caps(
2996
			&wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
2997

2998
	dev_net_set(dev, wiphy_net(wiphy));
2999
	dev->ieee80211_ptr = &priv->wdev;
3000 3001 3002 3003 3004 3005 3006
	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;
3007
	dev->ethtool_ops = &mwifiex_ethtool_ops;
3008 3009 3010 3011 3012 3013 3014 3015

	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)) {
3016 3017
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
3018 3019
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3020
		priv->netdev = NULL;
3021 3022 3023
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-EFAULT);
3024 3025
	}

3026
	priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3027 3028
						  WQ_HIGHPRI |
						  WQ_MEM_RECLAIM |
3029
						  WQ_UNBOUND, 1, name);
3030
	if (!priv->dfs_cac_workqueue) {
3031 3032
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
3033 3034 3035 3036 3037 3038 3039 3040 3041 3042
		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);

3043
	priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3044
						      WQ_HIGHPRI | WQ_UNBOUND |
3045
						      WQ_MEM_RECLAIM, 1, name);
3046
	if (!priv->dfs_chan_sw_workqueue) {
3047 3048
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
3049 3050 3051 3052 3053
		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;
3054 3055
		destroy_workqueue(priv->dfs_cac_workqueue);
		priv->dfs_cac_workqueue = NULL;
3056 3057 3058 3059 3060 3061
		return ERR_PTR(-ENOMEM);
	}

	INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
			  mwifiex_dfs_chan_sw_work_queue);

3062 3063
	sema_init(&priv->async_sem, 1);

3064 3065
	mwifiex_dbg(adapter, INFO,
		    "info: %s: Marvell 802.11 Adapter\n", dev->name);
3066 3067 3068 3069

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_init(priv);
#endif
3070

3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083
	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:
3084
		mwifiex_dbg(adapter, ERROR, "type not supported\n");
3085 3086 3087
		return ERR_PTR(-EINVAL);
	}

3088
	return &priv->wdev;
3089 3090 3091 3092 3093 3094
}
EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);

/*
 * del_virtual_intf: remove the virtual interface determined by dev
 */
3095
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3096
{
3097
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3098
	struct mwifiex_adapter *adapter = priv->adapter;
3099
	struct sk_buff *skb, *tmp;
3100 3101 3102 3103 3104

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_remove(priv);
#endif

X
Xinming Hu 已提交
3105 3106 3107
	if (priv->sched_scanning)
		priv->sched_scanning = false;

3108
	mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3109

3110 3111
	skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
		skb_unlink(skb, &priv->bypass_txq);
3112
		mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3113
	}
3114

3115 3116 3117
	if (netif_carrier_ok(priv->netdev))
		netif_carrier_off(priv->netdev);

3118 3119
	if (wdev->netdev->reg_state == NETREG_REGISTERED)
		unregister_netdevice(wdev->netdev);
3120

3121 3122 3123 3124 3125 3126
	if (priv->dfs_cac_workqueue) {
		flush_workqueue(priv->dfs_cac_workqueue);
		destroy_workqueue(priv->dfs_cac_workqueue);
		priv->dfs_cac_workqueue = NULL;
	}

3127 3128 3129 3130 3131
	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;
	}
3132
	/* Clear the priv in adapter */
3133
	priv->netdev->ieee80211_ptr = NULL;
3134
	priv->netdev = NULL;
3135
	priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3136 3137 3138

	priv->media_connected = false;

3139 3140 3141 3142
	switch (priv->bss_mode) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
3143
		adapter->curr_iface_comb.sta_intf--;
3144 3145
		break;
	case NL80211_IFTYPE_AP:
3146
		adapter->curr_iface_comb.uap_intf--;
3147 3148 3149
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
3150
		adapter->curr_iface_comb.p2p_intf--;
3151 3152
		break;
	default:
3153 3154
		mwifiex_dbg(adapter, ERROR,
			    "del_virtual_intf: type not supported\n");
3155 3156 3157
		break;
	}

3158 3159
	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;

3160 3161 3162 3163
	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
	    GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
		kfree(priv->hist_data);

3164 3165 3166 3167
	return 0;
}
EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);

A
Amitkumar Karwar 已提交
3168
static bool
3169 3170
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
			     u8 max_byte_seq)
A
Amitkumar Karwar 已提交
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187
{
	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;
			}

3188 3189 3190 3191 3192 3193
			/* wildcard bytes record as the offset
			 * before the valid byte
			 */
			if (!valid_byte_cnt && !dont_care_byte)
				pat->pkt_offset++;

3194
			if (valid_byte_cnt > max_byte_seq)
A
Amitkumar Karwar 已提交
3195 3196 3197 3198
				return false;
		}
	}

3199
	byte_seq[max_byte_seq] = valid_byte_cnt;
A
Amitkumar Karwar 已提交
3200 3201 3202 3203

	return true;
}

3204
#ifdef CONFIG_PM
3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262
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
3263
{
3264
	int i, filt_num = 0, ret = 0;
A
Amitkumar Karwar 已提交
3265
	bool first_pat = true;
A
Amitkumar Karwar 已提交
3266
	u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
A
Amitkumar Karwar 已提交
3267 3268 3269 3270 3271 3272 3273 3274 3275
	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],
3276 3277
					byte_seq,
					MWIFIEX_MEF_MAX_BYTESEQ)) {
3278 3279
			mwifiex_dbg(priv->adapter, ERROR,
				    "Pattern not supported\n");
A
Amitkumar Karwar 已提交
3280 3281 3282 3283 3284
			return -EOPNOTSUPP;
		}

		if (!wowlan->patterns[i].pkt_offset) {
			if (!(byte_seq[0] & 0x01) &&
A
Amitkumar Karwar 已提交
3285
			    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3286
				mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
A
Amitkumar Karwar 已提交
3287 3288
				continue;
			} else if (is_broadcast_ether_addr(byte_seq)) {
3289
				mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
A
Amitkumar Karwar 已提交
3290 3291
				continue;
			} else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
A
Amitkumar Karwar 已提交
3292
				    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
A
Amitkumar Karwar 已提交
3293
				   (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
A
Amitkumar Karwar 已提交
3294
				    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3295
				mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
A
Amitkumar Karwar 已提交
3296 3297 3298 3299 3300
				continue;
			}
		}
		mef_entry->filter[filt_num].repeat = 1;
		mef_entry->filter[filt_num].offset =
3301
			wowlan->patterns[i].pkt_offset;
A
Amitkumar Karwar 已提交
3302
		memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3303
				sizeof(byte_seq));
A
Amitkumar Karwar 已提交
3304 3305
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;

C
chunfan chen 已提交
3306
		if (first_pat) {
A
Amitkumar Karwar 已提交
3307
			first_pat = false;
C
chunfan chen 已提交
3308 3309
			mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
		} else {
A
Amitkumar Karwar 已提交
3310
			mef_entry->filter[filt_num].filt_action = TYPE_AND;
C
chunfan chen 已提交
3311
		}
A
Amitkumar Karwar 已提交
3312 3313 3314 3315 3316

		filt_num++;
	}

	if (wowlan->magic_pkt) {
3317
		mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
A
Amitkumar Karwar 已提交
3318 3319
		mef_entry->filter[filt_num].repeat = 16;
		memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3320
				ETH_ALEN);
A
Amitkumar Karwar 已提交
3321
		mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3322
			ETH_ALEN;
3323
		mef_entry->filter[filt_num].offset = 28;
A
Amitkumar Karwar 已提交
3324 3325 3326
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;
		if (filt_num)
			mef_entry->filter[filt_num].filt_action = TYPE_OR;
3327 3328 3329 3330

		filt_num++;
		mef_entry->filter[filt_num].repeat = 16;
		memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3331
				ETH_ALEN);
3332
		mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3333
			ETH_ALEN;
3334 3335 3336
		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;
C
chunfan chen 已提交
3337
		mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
A
Amitkumar Karwar 已提交
3338
	}
3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363
	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]);

3364
	if (wowlan->n_patterns || wowlan->magic_pkt) {
3365 3366
		ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
						   &mef_entry[1], wowlan);
3367 3368 3369
		if (ret)
			goto err;
	}
A
Amitkumar Karwar 已提交
3370 3371 3372

	if (!mef_cfg.criteria)
		mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3373 3374
			MWIFIEX_CRITERIA_UNICAST |
			MWIFIEX_CRITERIA_MULTICAST;
A
Amitkumar Karwar 已提交
3375

3376
	ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3377 3378
			HostCmd_ACT_GEN_SET, 0,
			&mef_cfg, true);
3379 3380

err:
A
Amitkumar Karwar 已提交
3381 3382 3383 3384
	kfree(mef_entry);
	return ret;
}

3385 3386 3387 3388
static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
				    struct cfg80211_wowlan *wowlan)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3389
	struct mwifiex_ds_hs_cfg hs_cfg;
3390
	int i, ret = 0, retry_num = 10;
3391
	struct mwifiex_private *priv;
3392 3393
	struct mwifiex_private *sta_priv =
			mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3394

3395
	sta_priv->scan_aborting = true;
3396 3397 3398 3399 3400 3401
	for (i = 0; i < adapter->priv_num; i++) {
		priv = adapter->priv[i];
		mwifiex_abort_cac(priv);
	}

	mwifiex_cancel_all_pending_cmd(adapter);
3402

3403 3404
	for (i = 0; i < adapter->priv_num; i++) {
		priv = adapter->priv[i];
3405
		if (priv && priv->netdev) {
3406
			mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3407 3408 3409
			if (netif_carrier_ok(priv->netdev))
				netif_carrier_off(priv->netdev);
		}
3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420
	}

	for (i = 0; i < retry_num; i++) {
		if (!mwifiex_wmm_lists_empty(adapter) ||
		    !mwifiex_bypass_txlist_empty(adapter) ||
		    !skb_queue_empty(&adapter->tx_data_q))
			usleep_range(10000, 15000);
		else
			break;
	}

3421
	if (!wowlan) {
3422 3423
		mwifiex_dbg(adapter, ERROR,
			    "None of the WOWLAN triggers enabled\n");
3424 3425
		ret = 0;
		goto done;
3426 3427
	}

3428
	if (!sta_priv->media_connected && !wowlan->nd_config) {
3429 3430
		mwifiex_dbg(adapter, ERROR,
			    "Can not configure WOWLAN in disconnected state\n");
3431 3432
		ret = 0;
		goto done;
3433 3434
	}

3435
	ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3436
	if (ret) {
3437
		mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3438
		goto done;
3439 3440
	}

3441 3442 3443 3444 3445 3446
	memset(&hs_cfg, 0, sizeof(hs_cfg));
	hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);

	if (wowlan->nd_config) {
		mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
		hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3447
		mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3448 3449 3450
						  wowlan->nd_config);
	}

3451
	if (wowlan->disconnect) {
3452
		hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3453
		mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3454 3455
	}

3456 3457 3458
	hs_cfg.is_invoke_hostcmd = false;
	hs_cfg.gpio = adapter->hs_cfg.gpio;
	hs_cfg.gap = adapter->hs_cfg.gap;
3459
	ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3460
				    MWIFIEX_SYNC_CMD, &hs_cfg);
3461 3462
	if (ret)
		mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3463

3464 3465
done:
	sta_priv->scan_aborting = false;
3466 3467 3468
	return ret;
}

A
Amitkumar Karwar 已提交
3469 3470
static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
{
3471
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3472
	struct mwifiex_private *priv;
3473 3474 3475
	struct mwifiex_ds_wakeup_reason wakeup_reason;
	struct cfg80211_wowlan_wakeup wakeup_report;
	int i;
3476
	bool report_wakeup_reason = true;
3477

3478 3479
	for (i = 0; i < adapter->priv_num; i++) {
		priv = adapter->priv[i];
3480 3481 3482
		if (priv && priv->netdev) {
			if (!netif_carrier_ok(priv->netdev))
				netif_carrier_on(priv->netdev);
3483
			mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
3484
		}
3485 3486
	}

3487 3488 3489
	if (!wiphy->wowlan_config)
		goto done;

3490
	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521
	mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
				  &wakeup_reason);
	memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));

	wakeup_report.pattern_idx = -1;

	switch (wakeup_reason.hs_wakeup_reason) {
	case NO_HSWAKEUP_REASON:
		break;
	case BCAST_DATA_MATCHED:
		break;
	case MCAST_DATA_MATCHED:
		break;
	case UCAST_DATA_MATCHED:
		break;
	case MASKTABLE_EVENT_MATCHED:
		break;
	case NON_MASKABLE_EVENT_MATCHED:
		if (wiphy->wowlan_config->disconnect)
			wakeup_report.disconnect = true;
		if (wiphy->wowlan_config->nd_config)
			wakeup_report.net_detect = adapter->nd_info;
		break;
	case NON_MASKABLE_CONDITION_MATCHED:
		break;
	case MAGIC_PATTERN_MATCHED:
		if (wiphy->wowlan_config->magic_pkt)
			wakeup_report.magic_pkt = true;
		if (wiphy->wowlan_config->n_patterns)
			wakeup_report.pattern_idx = 1;
		break;
3522 3523 3524 3525
	case GTK_REKEY_FAILURE:
		if (wiphy->wowlan_config->gtk_rekey_failure)
			wakeup_report.gtk_rekey_failure = true;
		break;
3526
	default:
3527
		report_wakeup_reason = false;
3528 3529 3530
		break;
	}

3531
	if (report_wakeup_reason)
3532 3533 3534
		cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
					      GFP_KERNEL);

3535
done:
3536 3537 3538 3539 3540 3541 3542
	if (adapter->nd_info) {
		for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
			kfree(adapter->nd_info->matches[i]);
		kfree(adapter->nd_info);
		adapter->nd_info = NULL;
	}

A
Amitkumar Karwar 已提交
3543 3544 3545 3546 3547 3548 3549 3550 3551 3552
	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);
}
3553 3554 3555 3556 3557 3558 3559 3560 3561 3562

static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
				  struct cfg80211_gtk_rekey_data *data)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
				HostCmd_ACT_GEN_SET, 0, data, true);
}

A
Amitkumar Karwar 已提交
3563 3564
#endif

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
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)) {
3603 3604
			mwifiex_dbg(priv->adapter, ERROR,
				    "Pattern not supported\n");
3605 3606 3607 3608 3609 3610 3611 3612
			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) {
3613 3614
				mwifiex_dbg(priv->adapter, ERROR,
					    "Multiple packet types not allowed\n");
3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636
				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) {
3637 3638
		mwifiex_dbg(priv->adapter, ERROR,
			    "Packet type can not be determined\n");
3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655
		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) {
3656 3657
		mwifiex_dbg(adapter, WARN,
			    "Disable coalesce and reset all previous rules\n");
3658 3659 3660
		return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
					HostCmd_ACT_GEN_SET, 0,
					&coalesce_cfg, true);
3661 3662 3663 3664 3665 3666 3667
	}

	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) {
3668 3669
			mwifiex_dbg(adapter, ERROR,
				    "Recheck the patterns provided for rule %d\n",
3670 3671 3672 3673 3674
				i + 1);
			return ret;
		}
	}

3675 3676
	return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
				HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3677 3678
}

3679 3680 3681 3682 3683
/* 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,
3684
			   const u8 *peer, u8 action_code, u8 dialog_token,
3685
			   u16 status_code, u32 peer_capability,
3686 3687
			   bool initiator, const u8 *extra_ies,
			   size_t extra_ies_len)
3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700
{
	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:
3701 3702 3703
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Setup Request to %pM status_code=%d\n",
			    peer, status_code);
A
Avinash Patil 已提交
3704
		mwifiex_add_auto_tdls_peer(priv, peer);
3705 3706 3707 3708 3709
		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
3710
		mwifiex_add_auto_tdls_peer(priv, peer);
3711 3712 3713
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Setup Response to %pM status_code=%d\n",
			    peer, status_code);
3714 3715 3716 3717 3718
		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:
3719 3720 3721
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Confirm to %pM status_code=%d\n", peer,
			    status_code);
3722 3723 3724 3725 3726
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_TEARDOWN:
3727 3728
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Tear down to %pM\n", peer);
3729 3730 3731 3732 3733
		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:
3734 3735
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Discovery Request to %pM\n", peer);
3736 3737 3738 3739 3740
		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:
3741 3742
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Discovery Response to %pM\n", peer);
3743 3744 3745 3746 3747
		ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	default:
3748 3749
		mwifiex_dbg(priv->adapter, ERROR,
			    "Unknown TDLS mgmt/action frame %pM\n", peer);
3750 3751 3752 3753 3754 3755 3756
		ret = -EINVAL;
		break;
	}

	return ret;
}

3757 3758
static int
mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3759
			   const u8 *peer, enum nl80211_tdls_operation action)
3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770
{
	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;

3771 3772
	mwifiex_dbg(priv->adapter, MSG,
		    "TDLS peer=%pM, oper=%d\n", peer, action);
3773 3774 3775 3776 3777 3778 3779 3780 3781 3782

	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!*/
3783 3784
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: teardown from driver not supported\n");
3785 3786 3787
		return -EINVAL;
	case NL80211_TDLS_SETUP:
		/* shouldn't happen!*/
3788 3789
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: setup from driver not supported\n");
3790 3791 3792
		return -EINVAL;
	case NL80211_TDLS_DISCOVERY_REQ:
		/* shouldn't happen!*/
3793 3794
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: discovery from driver not supported\n");
3795 3796
		return -EINVAL;
	default:
3797 3798
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: operation not supported\n");
3799 3800 3801 3802 3803 3804
		return -ENOTSUPP;
	}

	return mwifiex_tdls_oper(priv, peer, action);
}

3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870
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);
}

3871
static int
3872 3873
mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
			     const u8 *mac, struct station_parameters *params)
3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886
{
	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);
}

3887 3888 3889 3890 3891 3892 3893 3894 3895 3896
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) {
3897 3898
		mwifiex_dbg(priv->adapter, ERROR,
			    "radar detection: scan in process...\n");
3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912
		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) {
3913 3914
		mwifiex_dbg(priv->adapter, ERROR,
			    "Could not parse channel switch announcement IE\n");
3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925
		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))
3926 3927
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to delete mgmt IEs!\n");
3928 3929

	if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3930 3931
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: setting mgmt ies failed\n", __func__);
3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944
		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;
}

3945 3946 3947 3948 3949 3950 3951 3952 3953
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;
3954
	enum nl80211_band band;
3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967
	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);

3968 3969
		if (priv->ht_param_present) {
			second_chan_offset = priv->assoc_resp_ht_param &
3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983
					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;
}

3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017
#ifdef CONFIG_NL80211_TESTMODE

enum mwifiex_tm_attr {
	__MWIFIEX_TM_ATTR_INVALID	= 0,
	MWIFIEX_TM_ATTR_CMD		= 1,
	MWIFIEX_TM_ATTR_DATA		= 2,

	/* keep last */
	__MWIFIEX_TM_ATTR_AFTER_LAST,
	MWIFIEX_TM_ATTR_MAX		= __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
};

static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
	[MWIFIEX_TM_ATTR_CMD]		= { .type = NLA_U32 },
	[MWIFIEX_TM_ATTR_DATA]		= { .type = NLA_BINARY,
					    .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
};

enum mwifiex_tm_command {
	MWIFIEX_TM_CMD_HOSTCMD	= 0,
};

static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
			  void *data, int len)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
	struct mwifiex_ds_misc_cmd *hostcmd;
	struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
	struct sk_buff *skb;
	int err;

	if (!priv)
		return -EINVAL;

4018 4019
	err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy,
			NULL);
4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063
	if (err)
		return err;

	if (!tb[MWIFIEX_TM_ATTR_CMD])
		return -EINVAL;

	switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
	case MWIFIEX_TM_CMD_HOSTCMD:
		if (!tb[MWIFIEX_TM_ATTR_DATA])
			return -EINVAL;

		hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
		if (!hostcmd)
			return -ENOMEM;

		hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
		memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
		       hostcmd->len);

		if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
			dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
			return -EFAULT;
		}

		/* process hostcmd response*/
		skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
		if (!skb)
			return -ENOMEM;
		err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
			      hostcmd->len, hostcmd->cmd);
		if (err) {
			kfree_skb(skb);
			return -EMSGSIZE;
		}

		err = cfg80211_testmode_reply(skb);
		kfree(hostcmd);
		return err;
	default:
		return -EOPNOTSUPP;
	}
}
#endif

4064 4065 4066 4067 4068 4069 4070 4071 4072 4073
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) {
4074 4075
		mwifiex_dbg(priv->adapter, ERROR,
			    "radar detection: scan already in process...\n");
4076 4077 4078
		return -EBUSY;
	}

4079
	if (!mwifiex_is_11h_active(priv)) {
4080 4081
		mwifiex_dbg(priv->adapter, INFO,
			    "Enable 11h extensions in FW\n");
4082
		if (mwifiex_11h_activate(priv, true)) {
4083 4084
			mwifiex_dbg(priv->adapter, ERROR,
				    "Failed to activate 11h extensions!!");
4085 4086 4087 4088 4089
			return -1;
		}
		priv->state_11h.is_11h_active = true;
	}

4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104
	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;
}

4105
static int
4106 4107 4108
mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
				const u8 *mac,
				struct station_parameters *params)
4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128
{
	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;
}

4129 4130
/* station cfg80211 operations */
static struct cfg80211_ops mwifiex_cfg80211_ops = {
4131 4132
	.add_virtual_intf = mwifiex_add_virtual_intf,
	.del_virtual_intf = mwifiex_del_virtual_intf,
4133 4134 4135 4136 4137
	.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,
4138
	.dump_station = mwifiex_cfg80211_dump_station,
4139
	.dump_survey = mwifiex_cfg80211_dump_survey,
4140 4141 4142 4143 4144
	.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,
4145
	.set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4146
	.mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4147
	.mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
4148 4149
	.remain_on_channel = mwifiex_cfg80211_remain_on_channel,
	.cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4150 4151 4152
	.set_default_key = mwifiex_cfg80211_set_default_key,
	.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
	.set_tx_power = mwifiex_cfg80211_set_tx_power,
4153
	.get_tx_power = mwifiex_cfg80211_get_tx_power,
4154
	.set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4155 4156
	.start_ap = mwifiex_cfg80211_start_ap,
	.stop_ap = mwifiex_cfg80211_stop_ap,
4157
	.change_beacon = mwifiex_cfg80211_change_beacon,
4158
	.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4159
	.set_antenna = mwifiex_cfg80211_set_antenna,
4160
	.get_antenna = mwifiex_cfg80211_get_antenna,
A
Avinash Patil 已提交
4161
	.del_station = mwifiex_cfg80211_del_station,
X
Xinming Hu 已提交
4162 4163
	.sched_scan_start = mwifiex_cfg80211_sched_scan_start,
	.sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
A
Amitkumar Karwar 已提交
4164 4165 4166 4167
#ifdef CONFIG_PM
	.suspend = mwifiex_cfg80211_suspend,
	.resume = mwifiex_cfg80211_resume,
	.set_wakeup = mwifiex_cfg80211_set_wakeup,
4168
	.set_rekey_data = mwifiex_set_rekey_data,
A
Amitkumar Karwar 已提交
4169
#endif
4170
	.set_coalesce = mwifiex_cfg80211_set_coalesce,
4171
	.tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4172
	.tdls_oper = mwifiex_cfg80211_tdls_oper,
4173 4174
	.tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
	.tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4175
	.add_station = mwifiex_cfg80211_add_station,
4176
	.change_station = mwifiex_cfg80211_change_station,
4177
	CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4178
	.get_channel = mwifiex_cfg80211_get_channel,
4179
	.start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4180
	.channel_switch = mwifiex_cfg80211_channel_switch,
4181 4182
};

4183 4184
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4185
	.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4186 4187
		WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
		WIPHY_WOWLAN_GTK_REKEY_FAILURE,
A
Amitkumar Karwar 已提交
4188
	.n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4189 4190 4191
	.pattern_min_len = 1,
	.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
	.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4192
	.max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4193 4194 4195
};
#endif

4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206
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;
}

4207 4208 4209 4210 4211 4212 4213 4214 4215
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,
};

4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234
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;
}

4235 4236 4237 4238 4239 4240 4241
/*
 * 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.
 */
4242 4243

int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4244
{
4245 4246
	int ret;
	void *wdev_priv;
4247 4248
	struct wiphy *wiphy;
	struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4249
	u8 *country_code;
4250
	u32 thr, retry;
4251

4252 4253 4254 4255
	/* create a new wiphy for use with cfg80211 */
	wiphy = wiphy_new(&mwifiex_cfg80211_ops,
			  sizeof(struct mwifiex_adapter *));
	if (!wiphy) {
4256 4257
		mwifiex_dbg(adapter, ERROR,
			    "%s: creating new wiphy\n", __func__);
4258 4259
		return -ENOMEM;
	}
4260 4261
	wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
	wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4262
	wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4263
	wiphy->max_remain_on_channel_duration = 5000;
4264 4265
	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
				 BIT(NL80211_IFTYPE_ADHOC) |
S
Stone Piao 已提交
4266 4267
				 BIT(NL80211_IFTYPE_P2P_CLIENT) |
				 BIT(NL80211_IFTYPE_P2P_GO) |
4268 4269
				 BIT(NL80211_IFTYPE_AP);

4270
	wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4271
	if (adapter->config_bands & BAND_A)
4272
		wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4273
	else
4274
		wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4275

4276
	if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4277 4278 4279
		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;
4280 4281
	else
		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4282 4283
	wiphy->n_iface_combinations = 1;

4284
	/* Initialize cipher suits */
4285 4286
	wiphy->cipher_suites = mwifiex_cipher_suites;
	wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4287

4288 4289 4290
	if (adapter->regd) {
		wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
					   REGULATORY_DISABLE_BEACON_HINTS |
4291
					   REGULATORY_COUNTRY_IE_IGNORE;
4292 4293
		wiphy_apply_custom_regulatory(wiphy, adapter->regd);
	}
4294

4295
	ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4296
	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4297
	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4298
			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4299
			WIPHY_FLAG_AP_UAPSD |
4300
			WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4301 4302
			WIPHY_FLAG_HAS_CHANNEL_SWITCH |
			WIPHY_FLAG_PS_ON_BY_DEFAULT;
4303 4304 4305 4306 4307

	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
4308
#ifdef CONFIG_PM
4309
	wiphy->wowlan = &mwifiex_wowlan_support;
A
Amitkumar Karwar 已提交
4310 4311
#endif

4312 4313
	wiphy->coalesce = &mwifiex_coalesce_support;

4314
	wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4315 4316
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4317

4318
	wiphy->max_sched_scan_reqs = 1;
X
Xinming Hu 已提交
4319 4320 4321 4322
	wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
	wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
	wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;

4323 4324
	wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
	wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4325

4326
	wiphy->features |= NL80211_FEATURE_HT_IBSS |
4327
			   NL80211_FEATURE_INACTIVITY_TIMER |
4328
			   NL80211_FEATURE_LOW_PRIORITY_SCAN |
4329 4330 4331 4332
			   NL80211_FEATURE_NEED_OBSS_SCAN |
			   NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
			   NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
			   NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4333

4334 4335 4336
	if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
		wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;

4337 4338 4339
	if (adapter->fw_api_ver == MWIFIEX_FW_V15)
		wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;

4340
	/* Reserve space for mwifiex specific private data for BSS */
4341
	wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4342

4343
	wiphy->reg_notifier = mwifiex_reg_notifier;
4344

4345
	/* Set struct mwifiex_adapter pointer in wiphy_priv */
4346
	wdev_priv = wiphy_priv(wiphy);
4347
	*(unsigned long *)wdev_priv = (unsigned long)adapter;
4348

4349
	set_wiphy_dev(wiphy, priv->adapter->dev);
4350

4351
	ret = wiphy_register(wiphy);
4352
	if (ret < 0) {
4353 4354
		mwifiex_dbg(adapter, ERROR,
			    "%s: wiphy_register failed: %d\n", __func__, ret);
4355
		wiphy_free(wiphy);
4356 4357
		return ret;
	}
4358

4359 4360 4361 4362 4363
	if (!adapter->regd) {
		if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
			mwifiex_dbg(adapter, INFO,
				    "driver hint alpha2: %2.2s\n", reg_alpha2);
			regulatory_hint(wiphy, reg_alpha2);
4364
		} else {
4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379
			if (adapter->region_code == 0x00) {
				mwifiex_dbg(adapter, WARN,
					    "Ignore world regulatory domain\n");
			} else {
				wiphy->regulatory_flags |=
					REGULATORY_DISABLE_BEACON_HINTS |
					REGULATORY_COUNTRY_IE_IGNORE;
				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");
			}
4380
		}
4381
	}
4382

4383 4384
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4385
	wiphy->frag_threshold = thr;
4386 4387
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4388
	wiphy->rts_threshold = thr;
4389 4390
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4391
	wiphy->retry_short = (u8) retry;
4392 4393
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4394 4395
	wiphy->retry_long = (u8) retry;

4396
	adapter->wiphy = wiphy;
4397 4398
	return ret;
}