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_mac_addr *mac_tlv;
472 struct host_cmd_tlv_dtim_period *dtim_period;
473 struct host_cmd_tlv_beacon_period *beacon_period;
474 struct host_cmd_tlv_ssid *ssid;
475 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
476 struct host_cmd_tlv_channel_band *chan_band;
477 struct host_cmd_tlv_frag_threshold *frag_threshold;
478 struct host_cmd_tlv_rts_threshold *rts_threshold;
479 struct host_cmd_tlv_retry_limit *retry_limit;
480 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
481 struct host_cmd_tlv_auth_type *auth_type;
482 struct host_cmd_tlv_rates *tlv_rates;
483 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
484 struct host_cmd_tlv_power_constraint *pwr_ct;
485 struct mwifiex_ie_types_htcap *htcap;
486 struct mwifiex_ie_types_wmmcap *wmm_cap;
487 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
488 int i;
489 u16 cmd_size = *param_size;
490
491 mac_tlv = (struct host_cmd_tlv_mac_addr *)tlv;
492 mac_tlv->header.type = cpu_to_le16(TLV_TYPE_UAP_MAC_ADDRESS);
493 mac_tlv->header.len = cpu_to_le16(ETH_ALEN);
494 memcpy(mac_tlv->mac_addr, bss_cfg->mac_addr, ETH_ALEN);
495 cmd_size += sizeof(struct host_cmd_tlv_mac_addr);
496 tlv += sizeof(struct host_cmd_tlv_mac_addr);
497
498 if (bss_cfg->ssid.ssid_len) {
499 ssid = (struct host_cmd_tlv_ssid *)tlv;
500 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
501 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
502 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
503 cmd_size += sizeof(struct mwifiex_ie_types_header) +
504 bss_cfg->ssid.ssid_len;
505 tlv += sizeof(struct mwifiex_ie_types_header) +
506 bss_cfg->ssid.ssid_len;
507
508 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
509 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
510 bcast_ssid->header.len =
511 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
512 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
513 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
514 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
515 }
516 if (bss_cfg->rates[0]) {
517 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
518 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
519
520 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
521 i++)
522 tlv_rates->rates[i] = bss_cfg->rates[i];
523
524 tlv_rates->header.len = cpu_to_le16(i);
525 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
526 tlv += sizeof(struct host_cmd_tlv_rates) + i;
527 }
528 if (bss_cfg->channel &&
529 (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
530 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
531 ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
532 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
533 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
534 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
535 chan_band->header.len =
536 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
537 sizeof(struct mwifiex_ie_types_header));
538 chan_band->band_config = bss_cfg->band_cfg;
539 chan_band->channel = bss_cfg->channel;
540 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
541 tlv += sizeof(struct host_cmd_tlv_channel_band);
542 }
543 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
544 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
545 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
546 beacon_period->header.type =
547 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
548 beacon_period->header.len =
549 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
550 sizeof(struct mwifiex_ie_types_header));
551 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
552 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
553 tlv += sizeof(struct host_cmd_tlv_beacon_period);
554 }
555 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
556 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
557 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
558 dtim_period->header.type =
559 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
560 dtim_period->header.len =
561 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
562 sizeof(struct mwifiex_ie_types_header));
563 dtim_period->period = bss_cfg->dtim_period;
564 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
565 tlv += sizeof(struct host_cmd_tlv_dtim_period);
566 }
567 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
568 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
569 rts_threshold->header.type =
570 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
571 rts_threshold->header.len =
572 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
573 sizeof(struct mwifiex_ie_types_header));
574 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
575 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
576 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
577 }
578 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
579 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
580 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
581 frag_threshold->header.type =
582 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
583 frag_threshold->header.len =
584 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
585 sizeof(struct mwifiex_ie_types_header));
586 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
587 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
588 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
589 }
590 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
591 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
592 retry_limit->header.type =
593 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
594 retry_limit->header.len =
595 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
596 sizeof(struct mwifiex_ie_types_header));
597 retry_limit->limit = (u8)bss_cfg->retry_limit;
598 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
599 tlv += sizeof(struct host_cmd_tlv_retry_limit);
600 }
601 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
602 (bss_cfg->protocol & PROTOCOL_WPA2) ||
603 (bss_cfg->protocol & PROTOCOL_EAP))
604 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
605 else
606 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
607
608 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
609 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
610 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
611 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
612 auth_type->header.len =
613 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
614 sizeof(struct mwifiex_ie_types_header));
615 auth_type->auth_type = (u8)bss_cfg->auth_mode;
616 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
617 tlv += sizeof(struct host_cmd_tlv_auth_type);
618 }
619 if (bss_cfg->protocol) {
620 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
621 encrypt_protocol->header.type =
622 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
623 encrypt_protocol->header.len =
624 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
625 - sizeof(struct mwifiex_ie_types_header));
626 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
627 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
628 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
629 }
630
631 if (bss_cfg->ht_cap.cap_info) {
632 htcap = (struct mwifiex_ie_types_htcap *)tlv;
633 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
634 htcap->header.len =
635 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
636 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
637 htcap->ht_cap.ampdu_params_info =
638 bss_cfg->ht_cap.ampdu_params_info;
639 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
640 sizeof(struct ieee80211_mcs_info));
641 htcap->ht_cap.extended_ht_cap_info =
642 bss_cfg->ht_cap.extended_ht_cap_info;
643 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
644 htcap->ht_cap.antenna_selection_info =
645 bss_cfg->ht_cap.antenna_selection_info;
646 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
647 tlv += sizeof(struct mwifiex_ie_types_htcap);
648 }
649
650 if (bss_cfg->wmm_info.qos_info != 0xFF) {
651 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
652 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
653 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
654 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
655 sizeof(wmm_cap->wmm_info));
656 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
657 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
658 }
659
660 if (bss_cfg->sta_ao_timer) {
661 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
662 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
663 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
664 sizeof(struct mwifiex_ie_types_header));
665 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
666 cmd_size += sizeof(*ao_timer);
667 tlv += sizeof(*ao_timer);
668 }
669
670 if (bss_cfg->power_constraint) {
671 pwr_ct = (void *)tlv;
672 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
673 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
674 pwr_ct->constraint = bss_cfg->power_constraint;
675 cmd_size += sizeof(*pwr_ct);
676 tlv += sizeof(*pwr_ct);
677 }
678
679 if (bss_cfg->ps_sta_ao_timer) {
680 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
681 ps_ao_timer->header.type =
682 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
683 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
684 sizeof(struct mwifiex_ie_types_header));
685 ps_ao_timer->sta_ao_timer =
686 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
687 cmd_size += sizeof(*ps_ao_timer);
688 tlv += sizeof(*ps_ao_timer);
689 }
690
691 *param_size = cmd_size;
692
693 return 0;
694 }
695
696 /* 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)697 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
698 {
699 struct mwifiex_ie_list *ap_ie = cmd_buf;
700 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
701
702 if (!ap_ie || !ap_ie->len)
703 return -1;
704
705 *ie_size += le16_to_cpu(ap_ie->len) +
706 sizeof(struct mwifiex_ie_types_header);
707
708 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
709 tlv_ie->len = ap_ie->len;
710 tlv += sizeof(struct mwifiex_ie_types_header);
711
712 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
713
714 return 0;
715 }
716
717 /* Parse AP config structure and prepare TLV based command structure
718 * to be sent to FW for uAP configuration
719 */
720 static int
mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command * cmd,u16 cmd_action,u32 type,void * cmd_buf)721 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
722 u32 type, void *cmd_buf)
723 {
724 u8 *tlv;
725 u16 cmd_size, param_size, ie_size;
726 struct host_cmd_ds_sys_config *sys_cfg;
727
728 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
729 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
730 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
731 sys_cfg->action = cpu_to_le16(cmd_action);
732 tlv = sys_cfg->tlv;
733
734 switch (type) {
735 case UAP_BSS_PARAMS_I:
736 param_size = cmd_size;
737 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size))
738 return -1;
739 cmd->size = cpu_to_le16(param_size);
740 break;
741 case UAP_CUSTOM_IE_I:
742 ie_size = cmd_size;
743 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
744 return -1;
745 cmd->size = cpu_to_le16(ie_size);
746 break;
747 default:
748 return -1;
749 }
750
751 return 0;
752 }
753
754 /* This function prepares AP specific deauth command with mac supplied in
755 * function parameter.
756 */
mwifiex_cmd_uap_sta_deauth(struct mwifiex_private * priv,struct host_cmd_ds_command * cmd,u8 * mac)757 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
758 struct host_cmd_ds_command *cmd, u8 *mac)
759 {
760 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
761
762 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
763 memcpy(sta_deauth->mac, mac, ETH_ALEN);
764 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
765
766 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
767 S_DS_GEN);
768 return 0;
769 }
770
771 /* This function prepares the AP specific commands before sending them
772 * to the firmware.
773 * This is a generic function which calls specific command preparation
774 * routines based upon the command number.
775 */
mwifiex_uap_prepare_cmd(struct mwifiex_private * priv,u16 cmd_no,u16 cmd_action,u32 type,void * data_buf,void * cmd_buf)776 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
777 u16 cmd_action, u32 type,
778 void *data_buf, void *cmd_buf)
779 {
780 struct host_cmd_ds_command *cmd = cmd_buf;
781
782 switch (cmd_no) {
783 case HostCmd_CMD_UAP_SYS_CONFIG:
784 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
785 return -1;
786 break;
787 case HostCmd_CMD_UAP_BSS_START:
788 case HostCmd_CMD_UAP_BSS_STOP:
789 case HOST_CMD_APCMD_SYS_RESET:
790 case HOST_CMD_APCMD_STA_LIST:
791 cmd->command = cpu_to_le16(cmd_no);
792 cmd->size = cpu_to_le16(S_DS_GEN);
793 break;
794 case HostCmd_CMD_UAP_STA_DEAUTH:
795 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
796 return -1;
797 break;
798 case HostCmd_CMD_CHAN_REPORT_REQUEST:
799 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
800 data_buf))
801 return -1;
802 break;
803 default:
804 mwifiex_dbg(priv->adapter, ERROR,
805 "PREP_CMD: unknown cmd %#x\n", cmd_no);
806 return -1;
807 }
808
809 return 0;
810 }
811
mwifiex_uap_set_channel(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_chan_def chandef)812 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
813 struct mwifiex_uap_bss_param *bss_cfg,
814 struct cfg80211_chan_def chandef)
815 {
816 u8 config_bands = 0, old_bands = priv->adapter->config_bands;
817
818 priv->bss_chandef = chandef;
819
820 bss_cfg->channel = ieee80211_frequency_to_channel(
821 chandef.chan->center_freq);
822
823 /* Set appropriate bands */
824 if (chandef.chan->band == NL80211_BAND_2GHZ) {
825 bss_cfg->band_cfg = BAND_CONFIG_BG;
826 config_bands = BAND_B | BAND_G;
827
828 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
829 config_bands |= BAND_GN;
830 } else {
831 bss_cfg->band_cfg = BAND_CONFIG_A;
832 config_bands = BAND_A;
833
834 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
835 config_bands |= BAND_AN;
836
837 if (chandef.width > NL80211_CHAN_WIDTH_40)
838 config_bands |= BAND_AAC;
839 }
840
841 switch (chandef.width) {
842 case NL80211_CHAN_WIDTH_5:
843 case NL80211_CHAN_WIDTH_10:
844 case NL80211_CHAN_WIDTH_20_NOHT:
845 case NL80211_CHAN_WIDTH_20:
846 break;
847 case NL80211_CHAN_WIDTH_40:
848 if (chandef.center_freq1 < chandef.chan->center_freq)
849 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
850 else
851 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
852 break;
853 case NL80211_CHAN_WIDTH_80:
854 case NL80211_CHAN_WIDTH_80P80:
855 case NL80211_CHAN_WIDTH_160:
856 bss_cfg->band_cfg |=
857 mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
858 break;
859 default:
860 mwifiex_dbg(priv->adapter,
861 WARN, "Unknown channel width: %d\n",
862 chandef.width);
863 break;
864 }
865
866 priv->adapter->config_bands = config_bands;
867
868 if (old_bands != config_bands) {
869 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
870 mwifiex_dnld_txpwr_table(priv);
871 }
872 }
873
mwifiex_config_start_uap(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg)874 int mwifiex_config_start_uap(struct mwifiex_private *priv,
875 struct mwifiex_uap_bss_param *bss_cfg)
876 {
877 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
878 HostCmd_ACT_GEN_SET,
879 UAP_BSS_PARAMS_I, bss_cfg, true)) {
880 mwifiex_dbg(priv->adapter, ERROR,
881 "Failed to set AP configuration\n");
882 return -1;
883 }
884
885 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
886 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
887 mwifiex_dbg(priv->adapter, ERROR,
888 "Failed to start the BSS\n");
889 return -1;
890 }
891
892 if (priv->sec_info.wep_enabled)
893 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
894 else
895 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
896
897 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
898 HostCmd_ACT_GEN_SET, 0,
899 &priv->curr_pkt_filter, true))
900 return -1;
901
902 return 0;
903 }
904