xref: /linux/drivers/net/wireless/marvell/mwifiex/uap_cmd.c (revision 903a7d37d9ea03cfed21040467d3d345d1e6fc76)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * NXP Wireless LAN device driver: AP specific command handling
4  *
5  * Copyright 2011-2020 NXP
6  */
7 
8 #include "main.h"
9 #include "11ac.h"
10 #include "11n.h"
11 
12 /* This function parses security related parameters from cfg80211_ap_settings
13  * and sets into FW understandable bss_config structure.
14  */
15 int mwifiex_set_secure_params(struct mwifiex_private *priv,
16 			      struct mwifiex_uap_bss_param *bss_config,
17 			      struct cfg80211_ap_settings *params) {
18 	int i;
19 	struct mwifiex_wep_key wep_key;
20 
21 	if (!params->privacy) {
22 		bss_config->protocol = PROTOCOL_NO_SECURITY;
23 		bss_config->key_mgmt = KEY_MGMT_NONE;
24 		bss_config->wpa_cfg.length = 0;
25 		priv->sec_info.wep_enabled = 0;
26 		priv->sec_info.wpa_enabled = 0;
27 		priv->sec_info.wpa2_enabled = 0;
28 
29 		return 0;
30 	}
31 
32 	switch (params->auth_type) {
33 	case NL80211_AUTHTYPE_OPEN_SYSTEM:
34 		bss_config->auth_mode = WLAN_AUTH_OPEN;
35 		break;
36 	case NL80211_AUTHTYPE_SHARED_KEY:
37 		bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
38 		break;
39 	case NL80211_AUTHTYPE_NETWORK_EAP:
40 		bss_config->auth_mode = WLAN_AUTH_LEAP;
41 		break;
42 	default:
43 		bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
44 		break;
45 	}
46 
47 	bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
48 
49 	bss_config->protocol = 0;
50 	if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
51 		bss_config->protocol |= PROTOCOL_WPA;
52 	if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
53 		bss_config->protocol |= PROTOCOL_WPA2;
54 
55 	bss_config->key_mgmt = 0;
56 	for (i = 0; i < params->crypto.n_akm_suites; i++) {
57 		switch (params->crypto.akm_suites[i]) {
58 		case WLAN_AKM_SUITE_8021X:
59 			bss_config->key_mgmt |= KEY_MGMT_EAP;
60 			break;
61 		case WLAN_AKM_SUITE_PSK:
62 			bss_config->key_mgmt |= KEY_MGMT_PSK;
63 			break;
64 		case WLAN_AKM_SUITE_PSK_SHA256:
65 			bss_config->key_mgmt |= KEY_MGMT_PSK_SHA256;
66 			break;
67 		case WLAN_AKM_SUITE_SAE:
68 			bss_config->key_mgmt |= KEY_MGMT_SAE;
69 			break;
70 		default:
71 			break;
72 		}
73 	}
74 	for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
75 		switch (params->crypto.ciphers_pairwise[i]) {
76 		case WLAN_CIPHER_SUITE_WEP40:
77 		case WLAN_CIPHER_SUITE_WEP104:
78 			break;
79 		case WLAN_CIPHER_SUITE_TKIP:
80 			if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
81 				bss_config->wpa_cfg.pairwise_cipher_wpa |=
82 								CIPHER_TKIP;
83 			if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
84 				bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
85 								CIPHER_TKIP;
86 			break;
87 		case WLAN_CIPHER_SUITE_CCMP:
88 			if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
89 				bss_config->wpa_cfg.pairwise_cipher_wpa |=
90 								CIPHER_AES_CCMP;
91 			if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
92 				bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
93 								CIPHER_AES_CCMP;
94 			break;
95 		default:
96 			break;
97 		}
98 	}
99 
100 	switch (params->crypto.cipher_group) {
101 	case WLAN_CIPHER_SUITE_WEP40:
102 	case WLAN_CIPHER_SUITE_WEP104:
103 		if (priv->sec_info.wep_enabled) {
104 			bss_config->protocol = PROTOCOL_STATIC_WEP;
105 			bss_config->key_mgmt = KEY_MGMT_NONE;
106 			bss_config->wpa_cfg.length = 0;
107 
108 			for (i = 0; i < NUM_WEP_KEYS; i++) {
109 				wep_key = priv->wep_key[i];
110 				bss_config->wep_cfg[i].key_index = i;
111 
112 				if (priv->wep_key_curr_index == i)
113 					bss_config->wep_cfg[i].is_default = 1;
114 				else
115 					bss_config->wep_cfg[i].is_default = 0;
116 
117 				bss_config->wep_cfg[i].length =
118 							     wep_key.key_length;
119 				memcpy(&bss_config->wep_cfg[i].key,
120 				       &wep_key.key_material,
121 				       wep_key.key_length);
122 			}
123 		}
124 		break;
125 	case WLAN_CIPHER_SUITE_TKIP:
126 		bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
127 		break;
128 	case WLAN_CIPHER_SUITE_CCMP:
129 		bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
130 		break;
131 	default:
132 		break;
133 	}
134 
135 	return 0;
136 }
137 
138 /* This function updates 11n related parameters from IE and sets them into
139  * bss_config structure.
140  */
141 void
142 mwifiex_set_ht_params(struct mwifiex_private *priv,
143 		      struct mwifiex_uap_bss_param *bss_cfg,
144 		      struct cfg80211_ap_settings *params)
145 {
146 	const u8 *ht_ie;
147 
148 	if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
149 		return;
150 
151 	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
152 				 params->beacon.tail_len);
153 	if (ht_ie) {
154 		memcpy(&bss_cfg->ht_cap, ht_ie + 2,
155 		       sizeof(struct ieee80211_ht_cap));
156 		priv->ap_11n_enabled = 1;
157 	} else {
158 		memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap));
159 		bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
160 		bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
161 	}
162 
163 	return;
164 }
165 
166 /* This function updates 11ac related parameters from IE
167  * and sets them into bss_config structure.
168  */
169 void mwifiex_set_vht_params(struct mwifiex_private *priv,
170 			    struct mwifiex_uap_bss_param *bss_cfg,
171 			    struct cfg80211_ap_settings *params)
172 {
173 	const u8 *vht_ie;
174 
175 	vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
176 				  params->beacon.tail_len);
177 	if (vht_ie) {
178 		memcpy(&bss_cfg->vht_cap, vht_ie + 2,
179 		       sizeof(struct ieee80211_vht_cap));
180 		priv->ap_11ac_enabled = 1;
181 	} else {
182 		priv->ap_11ac_enabled = 0;
183 	}
184 
185 	return;
186 }
187 
188 /* This function updates 11ac related parameters from IE
189  * and sets them into bss_config structure.
190  */
191 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
192 			    struct mwifiex_uap_bss_param *bss_cfg,
193 			    struct cfg80211_ap_settings *params)
194 {
195 	const u8 *tpc_ie;
196 
197 	tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
198 				  params->beacon.tail_len);
199 	if (tpc_ie)
200 		bss_cfg->power_constraint = *(tpc_ie + 2);
201 	else
202 		bss_cfg->power_constraint = 0;
203 }
204 
205 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
206  * Otherwise disable VHT.
207  */
208 void mwifiex_set_vht_width(struct mwifiex_private *priv,
209 			   enum nl80211_chan_width width,
210 			   bool ap_11ac_enable)
211 {
212 	struct mwifiex_adapter *adapter = priv->adapter;
213 	struct mwifiex_11ac_vht_cfg vht_cfg;
214 
215 	vht_cfg.band_config = VHT_CFG_5GHZ;
216 	vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
217 
218 	if (!ap_11ac_enable) {
219 		vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
220 		vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
221 	} else {
222 		vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
223 		vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
224 	}
225 
226 	vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
227 
228 	if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
229 		vht_cfg.misc_config |= VHT_BW_80_160_80P80;
230 
231 	mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
232 			 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
233 
234 	return;
235 }
236 
237 /* This function finds supported rates IE from beacon parameter and sets
238  * these rates into bss_config structure.
239  */
240 void
241 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
242 		      struct cfg80211_ap_settings *params)
243 {
244 	struct ieee_types_header *rate_ie;
245 	int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
246 	const u8 *var_pos = params->beacon.head + var_offset;
247 	int len = params->beacon.head_len - var_offset;
248 	u8 rate_len = 0;
249 
250 	rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
251 	if (rate_ie) {
252 		if (rate_ie->len > MWIFIEX_SUPPORTED_RATES)
253 			return;
254 		memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
255 		rate_len = rate_ie->len;
256 	}
257 
258 	rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
259 					   params->beacon.tail,
260 					   params->beacon.tail_len);
261 	if (rate_ie) {
262 		if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len)
263 			return;
264 		memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
265 	}
266 
267 	return;
268 }
269 
270 /* This function initializes some of mwifiex_uap_bss_param variables.
271  * This helps FW in ignoring invalid values. These values may or may not
272  * be get updated to valid ones at later stage.
273  */
274 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
275 {
276 	config->bcast_ssid_ctl = 0x7F;
277 	config->radio_ctl = 0x7F;
278 	config->dtim_period = 0x7F;
279 	config->beacon_period = 0x7FFF;
280 	config->auth_mode = 0x7F;
281 	config->rts_threshold = 0x7FFF;
282 	config->frag_threshold = 0x7FFF;
283 	config->retry_limit = 0x7F;
284 	config->qos_info = 0xFF;
285 }
286 
287 /* This function parses BSS related parameters from structure
288  * and prepares TLVs specific to WPA/WPA2 security.
289  * These TLVs are appended to command buffer.
290  */
291 static void
292 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
293 {
294 	struct host_cmd_tlv_pwk_cipher *pwk_cipher;
295 	struct host_cmd_tlv_gwk_cipher *gwk_cipher;
296 	struct host_cmd_tlv_passphrase *passphrase;
297 	struct host_cmd_tlv_akmp *tlv_akmp;
298 	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
299 	u16 cmd_size = *param_size;
300 	u8 *tlv = *tlv_buf;
301 
302 	tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
303 	tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
304 	tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
305 					sizeof(struct mwifiex_ie_types_header));
306 	tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
307 	tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
308 	cmd_size += sizeof(struct host_cmd_tlv_akmp);
309 	tlv += sizeof(struct host_cmd_tlv_akmp);
310 
311 	if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
312 		pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
313 		pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
314 		pwk_cipher->header.len =
315 			cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
316 				    sizeof(struct mwifiex_ie_types_header));
317 		pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
318 		pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
319 		cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
320 		tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
321 	}
322 
323 	if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
324 		pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
325 		pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
326 		pwk_cipher->header.len =
327 			cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
328 				    sizeof(struct mwifiex_ie_types_header));
329 		pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
330 		pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
331 		cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
332 		tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
333 	}
334 
335 	if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
336 		gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
337 		gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
338 		gwk_cipher->header.len =
339 			cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
340 				    sizeof(struct mwifiex_ie_types_header));
341 		gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
342 		cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
343 		tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
344 	}
345 
346 	if (bss_cfg->wpa_cfg.length) {
347 		passphrase = (struct host_cmd_tlv_passphrase *)tlv;
348 		passphrase->header.type =
349 				cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
350 		passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
351 		memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
352 		       bss_cfg->wpa_cfg.length);
353 		cmd_size += sizeof(struct mwifiex_ie_types_header) +
354 			    bss_cfg->wpa_cfg.length;
355 		tlv += sizeof(struct mwifiex_ie_types_header) +
356 				bss_cfg->wpa_cfg.length;
357 	}
358 
359 	*param_size = cmd_size;
360 	*tlv_buf = tlv;
361 
362 	return;
363 }
364 
365 /* This function parses WMM related parameters from cfg80211_ap_settings
366  * structure and updates bss_config structure.
367  */
368 void
369 mwifiex_set_wmm_params(struct mwifiex_private *priv,
370 		       struct mwifiex_uap_bss_param *bss_cfg,
371 		       struct cfg80211_ap_settings *params)
372 {
373 	const u8 *vendor_ie;
374 	const u8 *wmm_ie;
375 	static const u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
376 
377 	vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
378 					    WLAN_OUI_TYPE_MICROSOFT_WMM,
379 					    params->beacon.tail,
380 					    params->beacon.tail_len);
381 	if (vendor_ie) {
382 		wmm_ie = vendor_ie;
383 		if (*(wmm_ie + 1) > sizeof(struct mwifiex_types_wmm_info))
384 			return;
385 		memcpy(&bss_cfg->wmm_info, wmm_ie +
386 		       sizeof(struct ieee_types_header), *(wmm_ie + 1));
387 		priv->wmm_enabled = 1;
388 	} else {
389 		memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
390 		memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
391 		bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
392 		bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
393 		priv->wmm_enabled = 0;
394 	}
395 
396 	bss_cfg->qos_info = 0x00;
397 	return;
398 }
399 /* This function parses BSS related parameters from structure
400  * and prepares TLVs specific to WEP encryption.
401  * These TLVs are appended to command buffer.
402  */
403 static void
404 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
405 {
406 	struct host_cmd_tlv_wep_key *wep_key;
407 	u16 cmd_size = *param_size;
408 	int i;
409 	u8 *tlv = *tlv_buf;
410 	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
411 
412 	for (i = 0; i < NUM_WEP_KEYS; i++) {
413 		if (bss_cfg->wep_cfg[i].length &&
414 		    (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
415 		     bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
416 			wep_key = (struct host_cmd_tlv_wep_key *)tlv;
417 			wep_key->header.type =
418 				cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
419 			wep_key->header.len =
420 				cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
421 			wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
422 			wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
423 			memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
424 			       bss_cfg->wep_cfg[i].length);
425 			cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
426 				    bss_cfg->wep_cfg[i].length;
427 			tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
428 				    bss_cfg->wep_cfg[i].length;
429 		}
430 	}
431 
432 	*param_size = cmd_size;
433 	*tlv_buf = tlv;
434 
435 	return;
436 }
437 
438 /* This function enable 11D if userspace set the country IE.
439  */
440 void mwifiex_config_uap_11d(struct mwifiex_private *priv,
441 			    struct cfg80211_beacon_data *beacon_data)
442 {
443 	enum state_11d_t state_11d;
444 	const u8 *country_ie;
445 
446 	country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail,
447 				      beacon_data->tail_len);
448 	if (country_ie) {
449 		/* Send cmd to FW to enable 11D function */
450 		state_11d = ENABLE_11D;
451 		if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
452 				     HostCmd_ACT_GEN_SET, DOT11D_I,
453 				     &state_11d, true)) {
454 			mwifiex_dbg(priv->adapter, ERROR,
455 				    "11D: failed to enable 11D\n");
456 		}
457 	}
458 }
459 
460 /* This function parses BSS related parameters from structure
461  * and prepares TLVs. These TLVs are appended to command buffer.
462 */
463 static int
464 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
465 {
466 	struct host_cmd_tlv_mac_addr *mac_tlv;
467 	struct host_cmd_tlv_dtim_period *dtim_period;
468 	struct host_cmd_tlv_beacon_period *beacon_period;
469 	struct host_cmd_tlv_ssid *ssid;
470 	struct host_cmd_tlv_bcast_ssid *bcast_ssid;
471 	struct host_cmd_tlv_channel_band *chan_band;
472 	struct host_cmd_tlv_frag_threshold *frag_threshold;
473 	struct host_cmd_tlv_rts_threshold *rts_threshold;
474 	struct host_cmd_tlv_retry_limit *retry_limit;
475 	struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
476 	struct host_cmd_tlv_auth_type *auth_type;
477 	struct host_cmd_tlv_rates *tlv_rates;
478 	struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
479 	struct host_cmd_tlv_power_constraint *pwr_ct;
480 	struct mwifiex_ie_types_htcap *htcap;
481 	struct mwifiex_ie_types_wmmcap *wmm_cap;
482 	struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
483 	int i;
484 	u16 cmd_size = *param_size;
485 
486 	mac_tlv = (struct host_cmd_tlv_mac_addr *)tlv;
487 	mac_tlv->header.type = cpu_to_le16(TLV_TYPE_UAP_MAC_ADDRESS);
488 	mac_tlv->header.len = cpu_to_le16(ETH_ALEN);
489 	memcpy(mac_tlv->mac_addr, bss_cfg->mac_addr, ETH_ALEN);
490 	cmd_size += sizeof(struct host_cmd_tlv_mac_addr);
491 	tlv += sizeof(struct host_cmd_tlv_mac_addr);
492 
493 	if (bss_cfg->ssid.ssid_len) {
494 		ssid = (struct host_cmd_tlv_ssid *)tlv;
495 		ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
496 		ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
497 		memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
498 		cmd_size += sizeof(struct mwifiex_ie_types_header) +
499 			    bss_cfg->ssid.ssid_len;
500 		tlv += sizeof(struct mwifiex_ie_types_header) +
501 				bss_cfg->ssid.ssid_len;
502 
503 		bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
504 		bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
505 		bcast_ssid->header.len =
506 				cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
507 		bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
508 		cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
509 		tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
510 	}
511 	if (bss_cfg->rates[0]) {
512 		tlv_rates = (struct host_cmd_tlv_rates *)tlv;
513 		tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
514 
515 		for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
516 		     i++)
517 			tlv_rates->rates[i] = bss_cfg->rates[i];
518 
519 		tlv_rates->header.len = cpu_to_le16(i);
520 		cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
521 		tlv += sizeof(struct host_cmd_tlv_rates) + i;
522 	}
523 	if (bss_cfg->channel &&
524 	    (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
525 	      bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
526 	    ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
527 	     bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
528 		chan_band = (struct host_cmd_tlv_channel_band *)tlv;
529 		chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
530 		chan_band->header.len =
531 			cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
532 				    sizeof(struct mwifiex_ie_types_header));
533 		chan_band->band_config = bss_cfg->band_cfg;
534 		chan_band->channel = bss_cfg->channel;
535 		cmd_size += sizeof(struct host_cmd_tlv_channel_band);
536 		tlv += sizeof(struct host_cmd_tlv_channel_band);
537 	}
538 	if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
539 	    bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
540 		beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
541 		beacon_period->header.type =
542 					cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
543 		beacon_period->header.len =
544 			cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
545 				    sizeof(struct mwifiex_ie_types_header));
546 		beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
547 		cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
548 		tlv += sizeof(struct host_cmd_tlv_beacon_period);
549 	}
550 	if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
551 	    bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
552 		dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
553 		dtim_period->header.type =
554 			cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
555 		dtim_period->header.len =
556 			cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
557 				    sizeof(struct mwifiex_ie_types_header));
558 		dtim_period->period = bss_cfg->dtim_period;
559 		cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
560 		tlv += sizeof(struct host_cmd_tlv_dtim_period);
561 	}
562 	if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
563 		rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
564 		rts_threshold->header.type =
565 					cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
566 		rts_threshold->header.len =
567 			cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
568 				    sizeof(struct mwifiex_ie_types_header));
569 		rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
570 		cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
571 		tlv += sizeof(struct host_cmd_tlv_frag_threshold);
572 	}
573 	if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
574 	    (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
575 		frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
576 		frag_threshold->header.type =
577 				cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
578 		frag_threshold->header.len =
579 			cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
580 				    sizeof(struct mwifiex_ie_types_header));
581 		frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
582 		cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
583 		tlv += sizeof(struct host_cmd_tlv_frag_threshold);
584 	}
585 	if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
586 		retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
587 		retry_limit->header.type =
588 			cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
589 		retry_limit->header.len =
590 			cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
591 				    sizeof(struct mwifiex_ie_types_header));
592 		retry_limit->limit = (u8)bss_cfg->retry_limit;
593 		cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
594 		tlv += sizeof(struct host_cmd_tlv_retry_limit);
595 	}
596 	if ((bss_cfg->protocol & PROTOCOL_WPA) ||
597 	    (bss_cfg->protocol & PROTOCOL_WPA2) ||
598 	    (bss_cfg->protocol & PROTOCOL_EAP))
599 		mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
600 	else
601 		mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
602 
603 	if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
604 	    (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
605 		auth_type = (struct host_cmd_tlv_auth_type *)tlv;
606 		auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
607 		auth_type->header.len =
608 			cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
609 			sizeof(struct mwifiex_ie_types_header));
610 		auth_type->auth_type = (u8)bss_cfg->auth_mode;
611 		cmd_size += sizeof(struct host_cmd_tlv_auth_type);
612 		tlv += sizeof(struct host_cmd_tlv_auth_type);
613 	}
614 	if (bss_cfg->protocol) {
615 		encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
616 		encrypt_protocol->header.type =
617 			cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
618 		encrypt_protocol->header.len =
619 			cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
620 			- sizeof(struct mwifiex_ie_types_header));
621 		encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
622 		cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
623 		tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
624 	}
625 
626 	if (bss_cfg->ht_cap.cap_info) {
627 		htcap = (struct mwifiex_ie_types_htcap *)tlv;
628 		htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
629 		htcap->header.len =
630 				cpu_to_le16(sizeof(struct ieee80211_ht_cap));
631 		htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
632 		htcap->ht_cap.ampdu_params_info =
633 					     bss_cfg->ht_cap.ampdu_params_info;
634 		memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
635 		       sizeof(struct ieee80211_mcs_info));
636 		htcap->ht_cap.extended_ht_cap_info =
637 					bss_cfg->ht_cap.extended_ht_cap_info;
638 		htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
639 		htcap->ht_cap.antenna_selection_info =
640 					bss_cfg->ht_cap.antenna_selection_info;
641 		cmd_size += sizeof(struct mwifiex_ie_types_htcap);
642 		tlv += sizeof(struct mwifiex_ie_types_htcap);
643 	}
644 
645 	if (bss_cfg->wmm_info.qos_info != 0xFF) {
646 		wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
647 		wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
648 		wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
649 		memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
650 		       sizeof(wmm_cap->wmm_info));
651 		cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
652 		tlv += sizeof(struct mwifiex_ie_types_wmmcap);
653 	}
654 
655 	if (bss_cfg->sta_ao_timer) {
656 		ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
657 		ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
658 		ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
659 					sizeof(struct mwifiex_ie_types_header));
660 		ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
661 		cmd_size += sizeof(*ao_timer);
662 		tlv += sizeof(*ao_timer);
663 	}
664 
665 	if (bss_cfg->power_constraint) {
666 		pwr_ct = (void *)tlv;
667 		pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
668 		pwr_ct->header.len = cpu_to_le16(sizeof(u8));
669 		pwr_ct->constraint = bss_cfg->power_constraint;
670 		cmd_size += sizeof(*pwr_ct);
671 		tlv += sizeof(*pwr_ct);
672 	}
673 
674 	if (bss_cfg->ps_sta_ao_timer) {
675 		ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
676 		ps_ao_timer->header.type =
677 				cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
678 		ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
679 				sizeof(struct mwifiex_ie_types_header));
680 		ps_ao_timer->sta_ao_timer =
681 					cpu_to_le32(bss_cfg->ps_sta_ao_timer);
682 		cmd_size += sizeof(*ps_ao_timer);
683 		tlv += sizeof(*ps_ao_timer);
684 	}
685 
686 	*param_size = cmd_size;
687 
688 	return 0;
689 }
690 
691 /* This function parses custom IEs from IE list and prepares command buffer */
692 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
693 {
694 	struct mwifiex_ie_list *ap_ie = cmd_buf;
695 	struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
696 
697 	if (!ap_ie || !ap_ie->len)
698 		return -1;
699 
700 	*ie_size += le16_to_cpu(ap_ie->len) +
701 			sizeof(struct mwifiex_ie_types_header);
702 
703 	tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
704 	tlv_ie->len = ap_ie->len;
705 	tlv += sizeof(struct mwifiex_ie_types_header);
706 
707 	memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
708 
709 	return 0;
710 }
711 
712 /* Parse AP config structure and prepare TLV based command structure
713  * to be sent to FW for uAP configuration
714  */
715 static int
716 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
717 			   u32 type, void *cmd_buf)
718 {
719 	u8 *tlv;
720 	u16 cmd_size, param_size, ie_size;
721 	struct host_cmd_ds_sys_config *sys_cfg;
722 
723 	cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
724 	cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
725 	sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
726 	sys_cfg->action = cpu_to_le16(cmd_action);
727 	tlv = sys_cfg->tlv;
728 
729 	switch (type) {
730 	case UAP_BSS_PARAMS_I:
731 		param_size = cmd_size;
732 		if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
733 			return -1;
734 		cmd->size = cpu_to_le16(param_size);
735 		break;
736 	case UAP_CUSTOM_IE_I:
737 		ie_size = cmd_size;
738 		if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
739 			return -1;
740 		cmd->size = cpu_to_le16(ie_size);
741 		break;
742 	default:
743 		return -1;
744 	}
745 
746 	return 0;
747 }
748 
749 /* This function prepares AP start up command with or without host MLME
750  */
751 static void mwifiex_cmd_uap_bss_start(struct mwifiex_private *priv,
752 				     struct host_cmd_ds_command *cmd)
753 {
754 	struct mwifiex_ie_types_host_mlme *tlv;
755 	int size;
756 
757 	cmd->command = cpu_to_le16(HostCmd_CMD_UAP_BSS_START);
758 	size = S_DS_GEN;
759 
760 	if (priv->adapter->host_mlme_enabled) {
761 		tlv = (struct mwifiex_ie_types_host_mlme *)((u8 *)cmd + size);
762 		tlv->header.type = cpu_to_le16(TLV_TYPE_HOST_MLME);
763 		tlv->header.len = cpu_to_le16(sizeof(tlv->host_mlme));
764 		tlv->host_mlme = 1;
765 		size += sizeof(struct mwifiex_ie_types_host_mlme);
766 	}
767 
768 	cmd->size = cpu_to_le16(size);
769 }
770 
771 /* This function prepares AP specific deauth command with mac supplied in
772  * function parameter.
773  */
774 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
775 				      struct host_cmd_ds_command *cmd, u8 *mac)
776 {
777 	struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
778 
779 	cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
780 	memcpy(sta_deauth->mac, mac, ETH_ALEN);
781 	sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
782 
783 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
784 				S_DS_GEN);
785 	return 0;
786 }
787 
788 /* This function prepares AP specific add station command.
789  */
790 static int mwifiex_cmd_uap_add_station(struct mwifiex_private *priv,
791 				       struct host_cmd_ds_command *cmd,
792 				       u16 cmd_action, void *data_buf)
793 {
794 	struct host_cmd_ds_add_station *new_sta = &cmd->params.sta_info;
795 	struct mwifiex_sta_info *add_sta = (struct mwifiex_sta_info *)data_buf;
796 	struct station_parameters *params = add_sta->params;
797 	struct mwifiex_sta_node *sta_ptr;
798 	u8 *pos;
799 	u8 qos_capa;
800 	u16 header_len = sizeof(struct mwifiex_ie_types_header);
801 	u16 tlv_len;
802 	int size;
803 	struct mwifiex_ie_types_data *tlv;
804 	struct mwifiex_ie_types_sta_flag *sta_flag;
805 	int i;
806 
807 	cmd->command = cpu_to_le16(HostCmd_CMD_ADD_NEW_STATION);
808 	new_sta->action = cpu_to_le16(cmd_action);
809 	size = sizeof(struct host_cmd_ds_add_station) + S_DS_GEN;
810 
811 	if (cmd_action == HostCmd_ACT_ADD_STA)
812 		sta_ptr = mwifiex_add_sta_entry(priv, add_sta->peer_mac);
813 	else
814 		sta_ptr = mwifiex_get_sta_entry(priv, add_sta->peer_mac);
815 
816 	if (!sta_ptr)
817 		return -1;
818 
819 	memcpy(new_sta->peer_mac, add_sta->peer_mac, ETH_ALEN);
820 
821 	if (cmd_action == HostCmd_ACT_REMOVE_STA) {
822 		cmd->size = cpu_to_le16(size);
823 		return 0;
824 	}
825 
826 	new_sta->aid = cpu_to_le16(params->aid);
827 	new_sta->listen_interval = cpu_to_le32(params->listen_interval);
828 	new_sta->cap_info = cpu_to_le16(params->capability);
829 
830 	pos = new_sta->tlv;
831 
832 	if (params->sta_flags_set & NL80211_STA_FLAG_WME)
833 		sta_ptr->is_wmm_enabled = 1;
834 	sta_flag = (struct mwifiex_ie_types_sta_flag *)pos;
835 	sta_flag->header.type = cpu_to_le16(TLV_TYPE_UAP_STA_FLAGS);
836 	sta_flag->header.len = cpu_to_le16(sizeof(__le32));
837 	sta_flag->sta_flags = cpu_to_le32(params->sta_flags_set);
838 	pos += sizeof(struct mwifiex_ie_types_sta_flag);
839 	size += sizeof(struct mwifiex_ie_types_sta_flag);
840 
841 	if (params->ext_capab_len) {
842 		tlv = (struct mwifiex_ie_types_data *)pos;
843 		tlv->header.type = cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
844 		tlv_len = params->ext_capab_len;
845 		tlv->header.len = cpu_to_le16(tlv_len);
846 		memcpy(tlv->data, params->ext_capab, tlv_len);
847 		pos += (header_len + tlv_len);
848 		size += (header_len + tlv_len);
849 	}
850 
851 	if (params->link_sta_params.supported_rates_len) {
852 		tlv = (struct mwifiex_ie_types_data *)pos;
853 		tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
854 		tlv_len = params->link_sta_params.supported_rates_len;
855 		tlv->header.len = cpu_to_le16(tlv_len);
856 		memcpy(tlv->data,
857 		       params->link_sta_params.supported_rates, tlv_len);
858 		pos += (header_len + tlv_len);
859 		size += (header_len + tlv_len);
860 	}
861 
862 	if (params->uapsd_queues || params->max_sp) {
863 		tlv = (struct mwifiex_ie_types_data *)pos;
864 		tlv->header.type = cpu_to_le16(WLAN_EID_QOS_CAPA);
865 		tlv_len = sizeof(qos_capa);
866 		tlv->header.len = cpu_to_le16(tlv_len);
867 		qos_capa = params->uapsd_queues | (params->max_sp << 5);
868 		memcpy(tlv->data, &qos_capa, tlv_len);
869 		pos += (header_len + tlv_len);
870 		size += (header_len + tlv_len);
871 		sta_ptr->is_wmm_enabled = 1;
872 	}
873 
874 	if (params->link_sta_params.ht_capa) {
875 		tlv = (struct mwifiex_ie_types_data *)pos;
876 		tlv->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
877 		tlv_len = sizeof(struct ieee80211_ht_cap);
878 		tlv->header.len = cpu_to_le16(tlv_len);
879 		memcpy(tlv->data, params->link_sta_params.ht_capa, tlv_len);
880 		pos += (header_len + tlv_len);
881 		size += (header_len + tlv_len);
882 		sta_ptr->is_11n_enabled = 1;
883 		sta_ptr->max_amsdu =
884 			le16_to_cpu(params->link_sta_params.ht_capa->cap_info) &
885 			IEEE80211_HT_CAP_MAX_AMSDU ?
886 			MWIFIEX_TX_DATA_BUF_SIZE_8K :
887 			MWIFIEX_TX_DATA_BUF_SIZE_4K;
888 	}
889 
890 	if (params->link_sta_params.vht_capa) {
891 		tlv = (struct mwifiex_ie_types_data *)pos;
892 		tlv->header.type = cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
893 		tlv_len = sizeof(struct ieee80211_vht_cap);
894 		tlv->header.len = cpu_to_le16(tlv_len);
895 		memcpy(tlv->data, params->link_sta_params.vht_capa, tlv_len);
896 		pos += (header_len + tlv_len);
897 		size += (header_len + tlv_len);
898 		sta_ptr->is_11ac_enabled = 1;
899 	}
900 
901 	if (params->link_sta_params.opmode_notif_used) {
902 		tlv = (struct mwifiex_ie_types_data *)pos;
903 		tlv->header.type = cpu_to_le16(WLAN_EID_OPMODE_NOTIF);
904 		tlv_len = sizeof(u8);
905 		tlv->header.len = cpu_to_le16(tlv_len);
906 		memcpy(tlv->data, &params->link_sta_params.opmode_notif,
907 		       tlv_len);
908 		pos += (header_len + tlv_len);
909 		size += (header_len + tlv_len);
910 	}
911 
912 	for (i = 0; i < MAX_NUM_TID; i++) {
913 		if (sta_ptr->is_11n_enabled)
914 			sta_ptr->ampdu_sta[i] =
915 				      priv->aggr_prio_tbl[i].ampdu_user;
916 		else
917 			sta_ptr->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED;
918 	}
919 
920 	memset(sta_ptr->rx_seq, 0xff, sizeof(sta_ptr->rx_seq));
921 	cmd->size = cpu_to_le16(size);
922 
923 	return 0;
924 }
925 
926 /* This function prepares the AP specific commands before sending them
927  * to the firmware.
928  * This is a generic function which calls specific command preparation
929  * routines based upon the command number.
930  */
931 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
932 			    u16 cmd_action, u32 type,
933 			    void *data_buf, void *cmd_buf)
934 {
935 	struct host_cmd_ds_command *cmd = cmd_buf;
936 
937 	switch (cmd_no) {
938 	case HostCmd_CMD_UAP_SYS_CONFIG:
939 		if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
940 			return -1;
941 		break;
942 	case HostCmd_CMD_UAP_BSS_START:
943 		mwifiex_cmd_uap_bss_start(priv, cmd);
944 		break;
945 	case HostCmd_CMD_UAP_BSS_STOP:
946 	case HOST_CMD_APCMD_SYS_RESET:
947 	case HOST_CMD_APCMD_STA_LIST:
948 		cmd->command = cpu_to_le16(cmd_no);
949 		cmd->size = cpu_to_le16(S_DS_GEN);
950 		break;
951 	case HostCmd_CMD_UAP_STA_DEAUTH:
952 		if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
953 			return -1;
954 		break;
955 	case HostCmd_CMD_CHAN_REPORT_REQUEST:
956 		if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
957 							  data_buf))
958 			return -1;
959 		break;
960 	case HostCmd_CMD_ADD_NEW_STATION:
961 		if (mwifiex_cmd_uap_add_station(priv, cmd, cmd_action,
962 						data_buf))
963 			return -1;
964 		break;
965 	default:
966 		mwifiex_dbg(priv->adapter, ERROR,
967 			    "PREP_CMD: unknown cmd %#x\n", cmd_no);
968 		return -1;
969 	}
970 
971 	return 0;
972 }
973 
974 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
975 			     struct mwifiex_uap_bss_param *bss_cfg,
976 			     struct cfg80211_chan_def chandef)
977 {
978 	u8 config_bands = 0, old_bands = priv->adapter->config_bands;
979 
980 	priv->bss_chandef = chandef;
981 
982 	bss_cfg->channel = ieee80211_frequency_to_channel(
983 						     chandef.chan->center_freq);
984 
985 	/* Set appropriate bands */
986 	if (chandef.chan->band == NL80211_BAND_2GHZ) {
987 		bss_cfg->band_cfg = BAND_CONFIG_BG;
988 		config_bands = BAND_B | BAND_G;
989 
990 		if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
991 			config_bands |= BAND_GN;
992 	} else {
993 		bss_cfg->band_cfg = BAND_CONFIG_A;
994 		config_bands = BAND_A;
995 
996 		if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
997 			config_bands |= BAND_AN;
998 
999 		if (chandef.width > NL80211_CHAN_WIDTH_40)
1000 			config_bands |= BAND_AAC;
1001 	}
1002 
1003 	switch (chandef.width) {
1004 	case NL80211_CHAN_WIDTH_5:
1005 	case NL80211_CHAN_WIDTH_10:
1006 	case NL80211_CHAN_WIDTH_20_NOHT:
1007 	case NL80211_CHAN_WIDTH_20:
1008 		break;
1009 	case NL80211_CHAN_WIDTH_40:
1010 		if (chandef.center_freq1 < chandef.chan->center_freq)
1011 			bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
1012 		else
1013 			bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
1014 		break;
1015 	case NL80211_CHAN_WIDTH_80:
1016 	case NL80211_CHAN_WIDTH_80P80:
1017 	case NL80211_CHAN_WIDTH_160:
1018 		bss_cfg->band_cfg |=
1019 		    mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
1020 		break;
1021 	default:
1022 		mwifiex_dbg(priv->adapter,
1023 			    WARN, "Unknown channel width: %d\n",
1024 			    chandef.width);
1025 		break;
1026 	}
1027 
1028 	priv->adapter->config_bands = config_bands;
1029 
1030 	if (old_bands != config_bands) {
1031 		mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
1032 		mwifiex_dnld_txpwr_table(priv);
1033 	}
1034 }
1035 
1036 int mwifiex_config_start_uap(struct mwifiex_private *priv,
1037 			     struct mwifiex_uap_bss_param *bss_cfg)
1038 {
1039 	if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1040 			     HostCmd_ACT_GEN_SET,
1041 			     UAP_BSS_PARAMS_I, bss_cfg, true)) {
1042 		mwifiex_dbg(priv->adapter, ERROR,
1043 			    "Failed to set AP configuration\n");
1044 		return -1;
1045 	}
1046 
1047 	if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
1048 			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1049 		mwifiex_dbg(priv->adapter, ERROR,
1050 			    "Failed to start the BSS\n");
1051 		return -1;
1052 	}
1053 
1054 	if (priv->sec_info.wep_enabled)
1055 		priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1056 	else
1057 		priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1058 
1059 	if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1060 			     HostCmd_ACT_GEN_SET, 0,
1061 			     &priv->curr_pkt_filter, true))
1062 		return -1;
1063 
1064 	return 0;
1065 }
1066