1 /*
2 * NXP Wireless LAN device driver: AP specific command handling
3 *
4 * Copyright 2011-2020 NXP
5 *
6 * This software file (the "File") is distributed by NXP
7 * under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "main.h"
21 #include "11ac.h"
22 #include "11n.h"
23
24 /* This function parses security related parameters from cfg80211_ap_settings
25 * and sets into FW understandable bss_config structure.
26 */
mwifiex_set_secure_params(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_config, struct cfg80211_ap_settings *params)27 int mwifiex_set_secure_params(struct mwifiex_private *priv,
28 struct mwifiex_uap_bss_param *bss_config,
29 struct cfg80211_ap_settings *params) {
30 int i;
31 struct mwifiex_wep_key wep_key;
32
33 if (!params->privacy) {
34 bss_config->protocol = PROTOCOL_NO_SECURITY;
35 bss_config->key_mgmt = KEY_MGMT_NONE;
36 bss_config->wpa_cfg.length = 0;
37 priv->sec_info.wep_enabled = 0;
38 priv->sec_info.wpa_enabled = 0;
39 priv->sec_info.wpa2_enabled = 0;
40
41 return 0;
42 }
43
44 switch (params->auth_type) {
45 case NL80211_AUTHTYPE_OPEN_SYSTEM:
46 bss_config->auth_mode = WLAN_AUTH_OPEN;
47 break;
48 case NL80211_AUTHTYPE_SHARED_KEY:
49 bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
50 break;
51 case NL80211_AUTHTYPE_NETWORK_EAP:
52 bss_config->auth_mode = WLAN_AUTH_LEAP;
53 break;
54 default:
55 bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
56 break;
57 }
58
59 bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
60
61 for (i = 0; i < params->crypto.n_akm_suites; i++) {
62 switch (params->crypto.akm_suites[i]) {
63 case WLAN_AKM_SUITE_8021X:
64 if (params->crypto.wpa_versions &
65 NL80211_WPA_VERSION_1) {
66 bss_config->protocol = PROTOCOL_WPA;
67 bss_config->key_mgmt = KEY_MGMT_EAP;
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_EAP;
73 }
74 break;
75 case WLAN_AKM_SUITE_PSK:
76 if (params->crypto.wpa_versions &
77 NL80211_WPA_VERSION_1) {
78 bss_config->protocol = PROTOCOL_WPA;
79 bss_config->key_mgmt = KEY_MGMT_PSK;
80 }
81 if (params->crypto.wpa_versions &
82 NL80211_WPA_VERSION_2) {
83 bss_config->protocol |= PROTOCOL_WPA2;
84 bss_config->key_mgmt = KEY_MGMT_PSK;
85 }
86 break;
87 default:
88 break;
89 }
90 }
91 for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
92 switch (params->crypto.ciphers_pairwise[i]) {
93 case WLAN_CIPHER_SUITE_WEP40:
94 case WLAN_CIPHER_SUITE_WEP104:
95 break;
96 case WLAN_CIPHER_SUITE_TKIP:
97 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
98 bss_config->wpa_cfg.pairwise_cipher_wpa |=
99 CIPHER_TKIP;
100 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
101 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
102 CIPHER_TKIP;
103 break;
104 case WLAN_CIPHER_SUITE_CCMP:
105 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
106 bss_config->wpa_cfg.pairwise_cipher_wpa |=
107 CIPHER_AES_CCMP;
108 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
109 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
110 CIPHER_AES_CCMP;
111 default:
112 break;
113 }
114 }
115
116 switch (params->crypto.cipher_group) {
117 case WLAN_CIPHER_SUITE_WEP40:
118 case WLAN_CIPHER_SUITE_WEP104:
119 if (priv->sec_info.wep_enabled) {
120 bss_config->protocol = PROTOCOL_STATIC_WEP;
121 bss_config->key_mgmt = KEY_MGMT_NONE;
122 bss_config->wpa_cfg.length = 0;
123
124 for (i = 0; i < NUM_WEP_KEYS; i++) {
125 wep_key = priv->wep_key[i];
126 bss_config->wep_cfg[i].key_index = i;
127
128 if (priv->wep_key_curr_index == i)
129 bss_config->wep_cfg[i].is_default = 1;
130 else
131 bss_config->wep_cfg[i].is_default = 0;
132
133 bss_config->wep_cfg[i].length =
134 wep_key.key_length;
135 memcpy(&bss_config->wep_cfg[i].key,
136 &wep_key.key_material,
137 wep_key.key_length);
138 }
139 }
140 break;
141 case WLAN_CIPHER_SUITE_TKIP:
142 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
143 break;
144 case WLAN_CIPHER_SUITE_CCMP:
145 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
146 break;
147 default:
148 break;
149 }
150
151 return 0;
152 }
153
154 /* This function updates 11n related parameters from IE and sets them into
155 * bss_config structure.
156 */
157 void
mwifiex_set_ht_params(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_ap_settings *params)158 mwifiex_set_ht_params(struct mwifiex_private *priv,
159 struct mwifiex_uap_bss_param *bss_cfg,
160 struct cfg80211_ap_settings *params)
161 {
162 const u8 *ht_ie;
163
164 if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
165 return;
166
167 ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
168 params->beacon.tail_len);
169 if (ht_ie) {
170 memcpy(&bss_cfg->ht_cap, ht_ie + 2,
171 sizeof(struct ieee80211_ht_cap));
172 priv->ap_11n_enabled = 1;
173 } else {
174 memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap));
175 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
176 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
177 }
178
179 return;
180 }
181
182 /* This function updates 11ac related parameters from IE
183 * and sets them into bss_config structure.
184 */
mwifiex_set_vht_params(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_ap_settings *params)185 void mwifiex_set_vht_params(struct mwifiex_private *priv,
186 struct mwifiex_uap_bss_param *bss_cfg,
187 struct cfg80211_ap_settings *params)
188 {
189 const u8 *vht_ie;
190
191 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
192 params->beacon.tail_len);
193 if (vht_ie) {
194 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
195 sizeof(struct ieee80211_vht_cap));
196 priv->ap_11ac_enabled = 1;
197 } else {
198 priv->ap_11ac_enabled = 0;
199 }
200
201 return;
202 }
203
204 /* This function updates 11ac related parameters from IE
205 * and sets them into bss_config structure.
206 */
mwifiex_set_tpc_params(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_ap_settings *params)207 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
208 struct mwifiex_uap_bss_param *bss_cfg,
209 struct cfg80211_ap_settings *params)
210 {
211 const u8 *tpc_ie;
212
213 tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
214 params->beacon.tail_len);
215 if (tpc_ie)
216 bss_cfg->power_constraint = *(tpc_ie + 2);
217 else
218 bss_cfg->power_constraint = 0;
219 }
220
221 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
222 * Otherwise disable VHT.
223 */
mwifiex_set_vht_width(struct mwifiex_private *priv, enum nl80211_chan_width width, bool ap_11ac_enable)224 void mwifiex_set_vht_width(struct mwifiex_private *priv,
225 enum nl80211_chan_width width,
226 bool ap_11ac_enable)
227 {
228 struct mwifiex_adapter *adapter = priv->adapter;
229 struct mwifiex_11ac_vht_cfg vht_cfg;
230
231 vht_cfg.band_config = VHT_CFG_5GHZ;
232 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
233
234 if (!ap_11ac_enable) {
235 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
236 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
237 } else {
238 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
239 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
240 }
241
242 vht_cfg.misc_config = VHT_CAP_UAP_ONLY;
243
244 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
245 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
246
247 mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
248 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
249
250 return;
251 }
252
253 /* This function finds supported rates IE from beacon parameter and sets
254 * these rates into bss_config structure.
255 */
256 void
mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_ap_settings *params)257 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
258 struct cfg80211_ap_settings *params)
259 {
260 struct ieee_types_header *rate_ie;
261 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
262 const u8 *var_pos = params->beacon.head + var_offset;
263 int len = params->beacon.head_len - var_offset;
264 u8 rate_len = 0;
265
266 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
267 if (rate_ie) {
268 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES)
269 return;
270 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
271 rate_len = rate_ie->len;
272 }
273
274 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
275 params->beacon.tail,
276 params->beacon.tail_len);
277 if (rate_ie) {
278 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len)
279 return;
280 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
281 }
282
283 return;
284 }
285
286 /* This function initializes some of mwifiex_uap_bss_param variables.
287 * This helps FW in ignoring invalid values. These values may or may not
288 * be get updated to valid ones at later stage.
289 */
mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)290 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
291 {
292 config->bcast_ssid_ctl = 0x7F;
293 config->radio_ctl = 0x7F;
294 config->dtim_period = 0x7F;
295 config->beacon_period = 0x7FFF;
296 config->auth_mode = 0x7F;
297 config->rts_threshold = 0x7FFF;
298 config->frag_threshold = 0x7FFF;
299 config->retry_limit = 0x7F;
300 config->qos_info = 0xFF;
301 }
302
303 /* This function parses BSS related parameters from structure
304 * and prepares TLVs specific to WPA/WPA2 security.
305 * These TLVs are appended to command buffer.
306 */
307 static void
mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)308 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
309 {
310 struct host_cmd_tlv_pwk_cipher *pwk_cipher;
311 struct host_cmd_tlv_gwk_cipher *gwk_cipher;
312 struct host_cmd_tlv_passphrase *passphrase;
313 struct host_cmd_tlv_akmp *tlv_akmp;
314 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
315 u16 cmd_size = *param_size;
316 u8 *tlv = *tlv_buf;
317
318 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
319 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
320 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
321 sizeof(struct mwifiex_ie_types_header));
322 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
323 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
324 cmd_size += sizeof(struct host_cmd_tlv_akmp);
325 tlv += sizeof(struct host_cmd_tlv_akmp);
326
327 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
328 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
329 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
330 pwk_cipher->header.len =
331 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
332 sizeof(struct mwifiex_ie_types_header));
333 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
334 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
335 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
336 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
337 }
338
339 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
340 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
341 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
342 pwk_cipher->header.len =
343 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
344 sizeof(struct mwifiex_ie_types_header));
345 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
346 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
347 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
348 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
349 }
350
351 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
352 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
353 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
354 gwk_cipher->header.len =
355 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
356 sizeof(struct mwifiex_ie_types_header));
357 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
358 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
359 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
360 }
361
362 if (bss_cfg->wpa_cfg.length) {
363 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
364 passphrase->header.type =
365 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
366 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
367 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
368 bss_cfg->wpa_cfg.length);
369 cmd_size += sizeof(struct mwifiex_ie_types_header) +
370 bss_cfg->wpa_cfg.length;
371 tlv += sizeof(struct mwifiex_ie_types_header) +
372 bss_cfg->wpa_cfg.length;
373 }
374
375 *param_size = cmd_size;
376 *tlv_buf = tlv;
377
378 return;
379 }
380
381 /* This function parses WMM related parameters from cfg80211_ap_settings
382 * structure and updates bss_config structure.
383 */
384 void
mwifiex_set_wmm_params(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_ap_settings *params)385 mwifiex_set_wmm_params(struct mwifiex_private *priv,
386 struct mwifiex_uap_bss_param *bss_cfg,
387 struct cfg80211_ap_settings *params)
388 {
389 const u8 *vendor_ie;
390 const u8 *wmm_ie;
391 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
392
393 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
394 WLAN_OUI_TYPE_MICROSOFT_WMM,
395 params->beacon.tail,
396 params->beacon.tail_len);
397 if (vendor_ie) {
398 wmm_ie = vendor_ie;
399 if (*(wmm_ie + 1) > sizeof(struct mwifiex_types_wmm_info))
400 return;
401 memcpy(&bss_cfg->wmm_info, wmm_ie +
402 sizeof(struct ieee_types_header), *(wmm_ie + 1));
403 priv->wmm_enabled = 1;
404 } else {
405 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
406 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
407 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
408 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
409 priv->wmm_enabled = 0;
410 }
411
412 bss_cfg->qos_info = 0x00;
413 return;
414 }
415 /* This function parses BSS related parameters from structure
416 * and prepares TLVs specific to WEP encryption.
417 * These TLVs are appended to command buffer.
418 */
419 static void
mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)420 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
421 {
422 struct host_cmd_tlv_wep_key *wep_key;
423 u16 cmd_size = *param_size;
424 int i;
425 u8 *tlv = *tlv_buf;
426 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
427
428 for (i = 0; i < NUM_WEP_KEYS; i++) {
429 if (bss_cfg->wep_cfg[i].length &&
430 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
431 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
432 wep_key = (struct host_cmd_tlv_wep_key *)tlv;
433 wep_key->header.type =
434 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
435 wep_key->header.len =
436 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
437 wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
438 wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
439 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
440 bss_cfg->wep_cfg[i].length);
441 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
442 bss_cfg->wep_cfg[i].length;
443 tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
444 bss_cfg->wep_cfg[i].length;
445 }
446 }
447
448 *param_size = cmd_size;
449 *tlv_buf = tlv;
450
451 return;
452 }
453
454 /* This function enable 11D if userspace set the country IE.
455 */
mwifiex_config_uap_11d(struct mwifiex_private *priv, struct cfg80211_beacon_data *beacon_data)456 void mwifiex_config_uap_11d(struct mwifiex_private *priv,
457 struct cfg80211_beacon_data *beacon_data)
458 {
459 enum state_11d_t state_11d;
460 const u8 *country_ie;
461
462 country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail,
463 beacon_data->tail_len);
464 if (country_ie) {
465 /* Send cmd to FW to enable 11D function */
466 state_11d = ENABLE_11D;
467 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
468 HostCmd_ACT_GEN_SET, DOT11D_I,
469 &state_11d, true)) {
470 mwifiex_dbg(priv->adapter, ERROR,
471 "11D: failed to enable 11D\n");
472 }
473 }
474 }
475
476 /* This function parses BSS related parameters from structure
477 * and prepares TLVs. These TLVs are appended to command buffer.
478 */
479 static int
mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)480 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
481 {
482 struct host_cmd_tlv_mac_addr *mac_tlv;
483 struct host_cmd_tlv_dtim_period *dtim_period;
484 struct host_cmd_tlv_beacon_period *beacon_period;
485 struct host_cmd_tlv_ssid *ssid;
486 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
487 struct host_cmd_tlv_channel_band *chan_band;
488 struct host_cmd_tlv_frag_threshold *frag_threshold;
489 struct host_cmd_tlv_rts_threshold *rts_threshold;
490 struct host_cmd_tlv_retry_limit *retry_limit;
491 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
492 struct host_cmd_tlv_auth_type *auth_type;
493 struct host_cmd_tlv_rates *tlv_rates;
494 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
495 struct host_cmd_tlv_power_constraint *pwr_ct;
496 struct mwifiex_ie_types_htcap *htcap;
497 struct mwifiex_ie_types_wmmcap *wmm_cap;
498 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
499 int i;
500 u16 cmd_size = *param_size;
501
502 mac_tlv = (struct host_cmd_tlv_mac_addr *)tlv;
503 mac_tlv->header.type = cpu_to_le16(TLV_TYPE_UAP_MAC_ADDRESS);
504 mac_tlv->header.len = cpu_to_le16(ETH_ALEN);
505 memcpy(mac_tlv->mac_addr, bss_cfg->mac_addr, ETH_ALEN);
506 cmd_size += sizeof(struct host_cmd_tlv_mac_addr);
507 tlv += sizeof(struct host_cmd_tlv_mac_addr);
508
509 if (bss_cfg->ssid.ssid_len) {
510 ssid = (struct host_cmd_tlv_ssid *)tlv;
511 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
512 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
513 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
514 cmd_size += sizeof(struct mwifiex_ie_types_header) +
515 bss_cfg->ssid.ssid_len;
516 tlv += sizeof(struct mwifiex_ie_types_header) +
517 bss_cfg->ssid.ssid_len;
518
519 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
520 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
521 bcast_ssid->header.len =
522 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
523 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
524 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
525 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
526 }
527 if (bss_cfg->rates[0]) {
528 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
529 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
530
531 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
532 i++)
533 tlv_rates->rates[i] = bss_cfg->rates[i];
534
535 tlv_rates->header.len = cpu_to_le16(i);
536 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
537 tlv += sizeof(struct host_cmd_tlv_rates) + i;
538 }
539 if (bss_cfg->channel &&
540 (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
541 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
542 ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
543 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
544 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
545 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
546 chan_band->header.len =
547 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
548 sizeof(struct mwifiex_ie_types_header));
549 chan_band->band_config = bss_cfg->band_cfg;
550 chan_band->channel = bss_cfg->channel;
551 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
552 tlv += sizeof(struct host_cmd_tlv_channel_band);
553 }
554 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
555 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
556 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
557 beacon_period->header.type =
558 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
559 beacon_period->header.len =
560 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
561 sizeof(struct mwifiex_ie_types_header));
562 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
563 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
564 tlv += sizeof(struct host_cmd_tlv_beacon_period);
565 }
566 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
567 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
568 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
569 dtim_period->header.type =
570 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
571 dtim_period->header.len =
572 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
573 sizeof(struct mwifiex_ie_types_header));
574 dtim_period->period = bss_cfg->dtim_period;
575 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
576 tlv += sizeof(struct host_cmd_tlv_dtim_period);
577 }
578 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
579 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
580 rts_threshold->header.type =
581 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
582 rts_threshold->header.len =
583 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
584 sizeof(struct mwifiex_ie_types_header));
585 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
586 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
587 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
588 }
589 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
590 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
591 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
592 frag_threshold->header.type =
593 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
594 frag_threshold->header.len =
595 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
596 sizeof(struct mwifiex_ie_types_header));
597 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
598 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
599 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
600 }
601 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
602 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
603 retry_limit->header.type =
604 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
605 retry_limit->header.len =
606 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
607 sizeof(struct mwifiex_ie_types_header));
608 retry_limit->limit = (u8)bss_cfg->retry_limit;
609 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
610 tlv += sizeof(struct host_cmd_tlv_retry_limit);
611 }
612 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
613 (bss_cfg->protocol & PROTOCOL_WPA2) ||
614 (bss_cfg->protocol & PROTOCOL_EAP))
615 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
616 else
617 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
618
619 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
620 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
621 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
622 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
623 auth_type->header.len =
624 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
625 sizeof(struct mwifiex_ie_types_header));
626 auth_type->auth_type = (u8)bss_cfg->auth_mode;
627 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
628 tlv += sizeof(struct host_cmd_tlv_auth_type);
629 }
630 if (bss_cfg->protocol) {
631 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
632 encrypt_protocol->header.type =
633 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
634 encrypt_protocol->header.len =
635 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
636 - sizeof(struct mwifiex_ie_types_header));
637 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
638 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
639 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
640 }
641
642 if (bss_cfg->ht_cap.cap_info) {
643 htcap = (struct mwifiex_ie_types_htcap *)tlv;
644 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
645 htcap->header.len =
646 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
647 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
648 htcap->ht_cap.ampdu_params_info =
649 bss_cfg->ht_cap.ampdu_params_info;
650 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
651 sizeof(struct ieee80211_mcs_info));
652 htcap->ht_cap.extended_ht_cap_info =
653 bss_cfg->ht_cap.extended_ht_cap_info;
654 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
655 htcap->ht_cap.antenna_selection_info =
656 bss_cfg->ht_cap.antenna_selection_info;
657 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
658 tlv += sizeof(struct mwifiex_ie_types_htcap);
659 }
660
661 if (bss_cfg->wmm_info.qos_info != 0xFF) {
662 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
663 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
664 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
665 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
666 sizeof(wmm_cap->wmm_info));
667 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
668 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
669 }
670
671 if (bss_cfg->sta_ao_timer) {
672 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
673 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
674 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
675 sizeof(struct mwifiex_ie_types_header));
676 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
677 cmd_size += sizeof(*ao_timer);
678 tlv += sizeof(*ao_timer);
679 }
680
681 if (bss_cfg->power_constraint) {
682 pwr_ct = (void *)tlv;
683 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
684 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
685 pwr_ct->constraint = bss_cfg->power_constraint;
686 cmd_size += sizeof(*pwr_ct);
687 tlv += sizeof(*pwr_ct);
688 }
689
690 if (bss_cfg->ps_sta_ao_timer) {
691 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
692 ps_ao_timer->header.type =
693 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
694 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
695 sizeof(struct mwifiex_ie_types_header));
696 ps_ao_timer->sta_ao_timer =
697 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
698 cmd_size += sizeof(*ps_ao_timer);
699 tlv += sizeof(*ps_ao_timer);
700 }
701
702 *param_size = cmd_size;
703
704 return 0;
705 }
706
707 /* 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)708 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
709 {
710 struct mwifiex_ie_list *ap_ie = cmd_buf;
711 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
712
713 if (!ap_ie || !ap_ie->len)
714 return -1;
715
716 *ie_size += le16_to_cpu(ap_ie->len) +
717 sizeof(struct mwifiex_ie_types_header);
718
719 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
720 tlv_ie->len = ap_ie->len;
721 tlv += sizeof(struct mwifiex_ie_types_header);
722
723 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
724
725 return 0;
726 }
727
728 /* Parse AP config structure and prepare TLV based command structure
729 * to be sent to FW for uAP configuration
730 */
731 static int
mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, u32 type, void *cmd_buf)732 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
733 u32 type, void *cmd_buf)
734 {
735 u8 *tlv;
736 u16 cmd_size, param_size, ie_size;
737 struct host_cmd_ds_sys_config *sys_cfg;
738
739 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
740 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
741 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
742 sys_cfg->action = cpu_to_le16(cmd_action);
743 tlv = sys_cfg->tlv;
744
745 switch (type) {
746 case UAP_BSS_PARAMS_I:
747 param_size = cmd_size;
748 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size))
749 return -1;
750 cmd->size = cpu_to_le16(param_size);
751 break;
752 case UAP_CUSTOM_IE_I:
753 ie_size = cmd_size;
754 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
755 return -1;
756 cmd->size = cpu_to_le16(ie_size);
757 break;
758 default:
759 return -1;
760 }
761
762 return 0;
763 }
764
765 /* This function prepares AP specific deauth command with mac supplied in
766 * function parameter.
767 */
mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv, struct host_cmd_ds_command *cmd, u8 *mac)768 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
769 struct host_cmd_ds_command *cmd, u8 *mac)
770 {
771 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
772
773 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
774 memcpy(sta_deauth->mac, mac, ETH_ALEN);
775 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
776
777 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
778 S_DS_GEN);
779 return 0;
780 }
781
782 /* This function prepares the AP specific commands before sending them
783 * to the firmware.
784 * This is a generic function which calls specific command preparation
785 * routines based upon the command number.
786 */
mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, u16 cmd_action, u32 type, void *data_buf, void *cmd_buf)787 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
788 u16 cmd_action, u32 type,
789 void *data_buf, void *cmd_buf)
790 {
791 struct host_cmd_ds_command *cmd = cmd_buf;
792
793 switch (cmd_no) {
794 case HostCmd_CMD_UAP_SYS_CONFIG:
795 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
796 return -1;
797 break;
798 case HostCmd_CMD_UAP_BSS_START:
799 case HostCmd_CMD_UAP_BSS_STOP:
800 case HOST_CMD_APCMD_SYS_RESET:
801 case HOST_CMD_APCMD_STA_LIST:
802 cmd->command = cpu_to_le16(cmd_no);
803 cmd->size = cpu_to_le16(S_DS_GEN);
804 break;
805 case HostCmd_CMD_UAP_STA_DEAUTH:
806 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
807 return -1;
808 break;
809 case HostCmd_CMD_CHAN_REPORT_REQUEST:
810 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
811 data_buf))
812 return -1;
813 break;
814 default:
815 mwifiex_dbg(priv->adapter, ERROR,
816 "PREP_CMD: unknown cmd %#x\n", cmd_no);
817 return -1;
818 }
819
820 return 0;
821 }
822
mwifiex_uap_set_channel(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_cfg, struct cfg80211_chan_def chandef)823 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
824 struct mwifiex_uap_bss_param *bss_cfg,
825 struct cfg80211_chan_def chandef)
826 {
827 u8 config_bands = 0, old_bands = priv->adapter->config_bands;
828
829 priv->bss_chandef = chandef;
830
831 bss_cfg->channel = ieee80211_frequency_to_channel(
832 chandef.chan->center_freq);
833
834 /* Set appropriate bands */
835 if (chandef.chan->band == NL80211_BAND_2GHZ) {
836 bss_cfg->band_cfg = BAND_CONFIG_BG;
837 config_bands = BAND_B | BAND_G;
838
839 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
840 config_bands |= BAND_GN;
841 } else {
842 bss_cfg->band_cfg = BAND_CONFIG_A;
843 config_bands = BAND_A;
844
845 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
846 config_bands |= BAND_AN;
847
848 if (chandef.width > NL80211_CHAN_WIDTH_40)
849 config_bands |= BAND_AAC;
850 }
851
852 switch (chandef.width) {
853 case NL80211_CHAN_WIDTH_5:
854 case NL80211_CHAN_WIDTH_10:
855 case NL80211_CHAN_WIDTH_20_NOHT:
856 case NL80211_CHAN_WIDTH_20:
857 break;
858 case NL80211_CHAN_WIDTH_40:
859 if (chandef.center_freq1 < chandef.chan->center_freq)
860 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
861 else
862 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
863 break;
864 case NL80211_CHAN_WIDTH_80:
865 case NL80211_CHAN_WIDTH_80P80:
866 case NL80211_CHAN_WIDTH_160:
867 bss_cfg->band_cfg |=
868 mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
869 break;
870 default:
871 mwifiex_dbg(priv->adapter,
872 WARN, "Unknown channel width: %d\n",
873 chandef.width);
874 break;
875 }
876
877 priv->adapter->config_bands = config_bands;
878
879 if (old_bands != config_bands) {
880 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
881 mwifiex_dnld_txpwr_table(priv);
882 }
883 }
884
mwifiex_config_start_uap(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_cfg)885 int mwifiex_config_start_uap(struct mwifiex_private *priv,
886 struct mwifiex_uap_bss_param *bss_cfg)
887 {
888 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
889 HostCmd_ACT_GEN_SET,
890 UAP_BSS_PARAMS_I, bss_cfg, true)) {
891 mwifiex_dbg(priv->adapter, ERROR,
892 "Failed to set AP configuration\n");
893 return -1;
894 }
895
896 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
897 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
898 mwifiex_dbg(priv->adapter, ERROR,
899 "Failed to start the BSS\n");
900 return -1;
901 }
902
903 if (priv->sec_info.wep_enabled)
904 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
905 else
906 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
907
908 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
909 HostCmd_ACT_GEN_SET, 0,
910 &priv->curr_pkt_filter, true))
911 return -1;
912
913 return 0;
914 }
915