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