1 /*
2 * Marvell Wireless LAN device driver: AP specific command handling
3 *
4 * Copyright (C) 2012-2014, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. 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
23 /* This function parses security related parameters from cfg80211_ap_settings
24 * and sets into FW understandable bss_config structure.
25 */
mwifiex_set_secure_params(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_config,struct cfg80211_ap_settings * params)26 int mwifiex_set_secure_params(struct mwifiex_private *priv,
27 struct mwifiex_uap_bss_param *bss_config,
28 struct cfg80211_ap_settings *params) {
29 int i;
30 struct mwifiex_wep_key wep_key;
31
32 if (!params->privacy) {
33 bss_config->protocol = PROTOCOL_NO_SECURITY;
34 bss_config->key_mgmt = KEY_MGMT_NONE;
35 bss_config->wpa_cfg.length = 0;
36 priv->sec_info.wep_enabled = 0;
37 priv->sec_info.wpa_enabled = 0;
38 priv->sec_info.wpa2_enabled = 0;
39
40 return 0;
41 }
42
43 switch (params->auth_type) {
44 case NL80211_AUTHTYPE_OPEN_SYSTEM:
45 bss_config->auth_mode = WLAN_AUTH_OPEN;
46 break;
47 case NL80211_AUTHTYPE_SHARED_KEY:
48 bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
49 break;
50 case NL80211_AUTHTYPE_NETWORK_EAP:
51 bss_config->auth_mode = WLAN_AUTH_LEAP;
52 break;
53 default:
54 bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
55 break;
56 }
57
58 bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
59
60 for (i = 0; i < params->crypto.n_akm_suites; i++) {
61 switch (params->crypto.akm_suites[i]) {
62 case WLAN_AKM_SUITE_8021X:
63 if (params->crypto.wpa_versions &
64 NL80211_WPA_VERSION_1) {
65 bss_config->protocol = PROTOCOL_WPA;
66 bss_config->key_mgmt = KEY_MGMT_EAP;
67 }
68 if (params->crypto.wpa_versions &
69 NL80211_WPA_VERSION_2) {
70 bss_config->protocol |= PROTOCOL_WPA2;
71 bss_config->key_mgmt = KEY_MGMT_EAP;
72 }
73 break;
74 case WLAN_AKM_SUITE_PSK:
75 if (params->crypto.wpa_versions &
76 NL80211_WPA_VERSION_1) {
77 bss_config->protocol = PROTOCOL_WPA;
78 bss_config->key_mgmt = KEY_MGMT_PSK;
79 }
80 if (params->crypto.wpa_versions &
81 NL80211_WPA_VERSION_2) {
82 bss_config->protocol |= PROTOCOL_WPA2;
83 bss_config->key_mgmt = KEY_MGMT_PSK;
84 }
85 break;
86 default:
87 break;
88 }
89 }
90 for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
91 switch (params->crypto.ciphers_pairwise[i]) {
92 case WLAN_CIPHER_SUITE_WEP40:
93 case WLAN_CIPHER_SUITE_WEP104:
94 break;
95 case WLAN_CIPHER_SUITE_TKIP:
96 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
97 bss_config->wpa_cfg.pairwise_cipher_wpa |=
98 CIPHER_TKIP;
99 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
100 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
101 CIPHER_TKIP;
102 break;
103 case WLAN_CIPHER_SUITE_CCMP:
104 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
105 bss_config->wpa_cfg.pairwise_cipher_wpa |=
106 CIPHER_AES_CCMP;
107 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
108 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
109 CIPHER_AES_CCMP;
110 default:
111 break;
112 }
113 }
114
115 switch (params->crypto.cipher_group) {
116 case WLAN_CIPHER_SUITE_WEP40:
117 case WLAN_CIPHER_SUITE_WEP104:
118 if (priv->sec_info.wep_enabled) {
119 bss_config->protocol = PROTOCOL_STATIC_WEP;
120 bss_config->key_mgmt = KEY_MGMT_NONE;
121 bss_config->wpa_cfg.length = 0;
122
123 for (i = 0; i < NUM_WEP_KEYS; i++) {
124 wep_key = priv->wep_key[i];
125 bss_config->wep_cfg[i].key_index = i;
126
127 if (priv->wep_key_curr_index == i)
128 bss_config->wep_cfg[i].is_default = 1;
129 else
130 bss_config->wep_cfg[i].is_default = 0;
131
132 bss_config->wep_cfg[i].length =
133 wep_key.key_length;
134 memcpy(&bss_config->wep_cfg[i].key,
135 &wep_key.key_material,
136 wep_key.key_length);
137 }
138 }
139 break;
140 case WLAN_CIPHER_SUITE_TKIP:
141 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
142 break;
143 case WLAN_CIPHER_SUITE_CCMP:
144 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
145 break;
146 default:
147 break;
148 }
149
150 return 0;
151 }
152
153 /* This function updates 11n related parameters from IE and sets them into
154 * bss_config structure.
155 */
156 void
mwifiex_set_ht_params(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_ap_settings * params)157 mwifiex_set_ht_params(struct mwifiex_private *priv,
158 struct mwifiex_uap_bss_param *bss_cfg,
159 struct cfg80211_ap_settings *params)
160 {
161 const u8 *ht_ie;
162 u16 cap_info;
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 cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info);
173 memset(&bss_cfg->ht_cap.mcs, 0,
174 priv->adapter->number_of_antenna);
175 switch (GET_RXSTBC(cap_info)) {
176 case MWIFIEX_RX_STBC1:
177 /* HT_CAP 1X1 mode */
178 bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
179 break;
180 case MWIFIEX_RX_STBC12: /* fall through */
181 case MWIFIEX_RX_STBC123:
182 /* HT_CAP 2X2 mode */
183 bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
184 bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
185 break;
186 default:
187 mwifiex_dbg(priv->adapter, WARN,
188 "Unsupported RX-STBC, default to 2x2\n");
189 bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
190 bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
191 break;
192 }
193 priv->ap_11n_enabled = 1;
194 } else {
195 memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
196 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
197 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
198 }
199
200 return;
201 }
202
203 /* This function updates 11ac related parameters from IE
204 * and sets them into bss_config structure.
205 */
mwifiex_set_vht_params(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_ap_settings * params)206 void mwifiex_set_vht_params(struct mwifiex_private *priv,
207 struct mwifiex_uap_bss_param *bss_cfg,
208 struct cfg80211_ap_settings *params)
209 {
210 const u8 *vht_ie;
211
212 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
213 params->beacon.tail_len);
214 if (vht_ie) {
215 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
216 sizeof(struct ieee80211_vht_cap));
217 priv->ap_11ac_enabled = 1;
218 } else {
219 priv->ap_11ac_enabled = 0;
220 }
221
222 return;
223 }
224
225 /* This function updates 11ac related parameters from IE
226 * and sets them into bss_config structure.
227 */
mwifiex_set_tpc_params(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_ap_settings * params)228 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
229 struct mwifiex_uap_bss_param *bss_cfg,
230 struct cfg80211_ap_settings *params)
231 {
232 const u8 *tpc_ie;
233
234 tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
235 params->beacon.tail_len);
236 if (tpc_ie)
237 bss_cfg->power_constraint = *(tpc_ie + 2);
238 else
239 bss_cfg->power_constraint = 0;
240 }
241
242 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
243 * Otherwise disable VHT.
244 */
mwifiex_set_vht_width(struct mwifiex_private * priv,enum nl80211_chan_width width,bool ap_11ac_enable)245 void mwifiex_set_vht_width(struct mwifiex_private *priv,
246 enum nl80211_chan_width width,
247 bool ap_11ac_enable)
248 {
249 struct mwifiex_adapter *adapter = priv->adapter;
250 struct mwifiex_11ac_vht_cfg vht_cfg;
251
252 vht_cfg.band_config = VHT_CFG_5GHZ;
253 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
254
255 if (!ap_11ac_enable) {
256 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
257 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
258 } else {
259 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
260 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
261 }
262
263 vht_cfg.misc_config = VHT_CAP_UAP_ONLY;
264
265 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
266 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
267
268 mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
269 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
270
271 return;
272 }
273
274 /* This function finds supported rates IE from beacon parameter and sets
275 * these rates into bss_config structure.
276 */
277 void
mwifiex_set_uap_rates(struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_ap_settings * params)278 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
279 struct cfg80211_ap_settings *params)
280 {
281 struct ieee_types_header *rate_ie;
282 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
283 const u8 *var_pos = params->beacon.head + var_offset;
284 int len = params->beacon.head_len - var_offset;
285 u8 rate_len = 0;
286
287 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
288 if (rate_ie) {
289 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES)
290 return;
291 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
292 rate_len = rate_ie->len;
293 }
294
295 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
296 params->beacon.tail,
297 params->beacon.tail_len);
298 if (rate_ie) {
299 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len)
300 return;
301 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
302 }
303
304 return;
305 }
306
307 /* This function initializes some of mwifiex_uap_bss_param variables.
308 * This helps FW in ignoring invalid values. These values may or may not
309 * be get updated to valid ones at later stage.
310 */
mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param * config)311 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
312 {
313 config->bcast_ssid_ctl = 0x7F;
314 config->radio_ctl = 0x7F;
315 config->dtim_period = 0x7F;
316 config->beacon_period = 0x7FFF;
317 config->auth_mode = 0x7F;
318 config->rts_threshold = 0x7FFF;
319 config->frag_threshold = 0x7FFF;
320 config->retry_limit = 0x7F;
321 config->qos_info = 0xFF;
322 }
323
324 /* This function parses BSS related parameters from structure
325 * and prepares TLVs specific to WPA/WPA2 security.
326 * These TLVs are appended to command buffer.
327 */
328 static void
mwifiex_uap_bss_wpa(u8 ** tlv_buf,void * cmd_buf,u16 * param_size)329 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
330 {
331 struct host_cmd_tlv_pwk_cipher *pwk_cipher;
332 struct host_cmd_tlv_gwk_cipher *gwk_cipher;
333 struct host_cmd_tlv_passphrase *passphrase;
334 struct host_cmd_tlv_akmp *tlv_akmp;
335 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
336 u16 cmd_size = *param_size;
337 u8 *tlv = *tlv_buf;
338
339 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
340 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
341 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
342 sizeof(struct mwifiex_ie_types_header));
343 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
344 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
345 cmd_size += sizeof(struct host_cmd_tlv_akmp);
346 tlv += sizeof(struct host_cmd_tlv_akmp);
347
348 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
349 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
350 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
351 pwk_cipher->header.len =
352 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
353 sizeof(struct mwifiex_ie_types_header));
354 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
355 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
356 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
357 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
358 }
359
360 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
361 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
362 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
363 pwk_cipher->header.len =
364 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
365 sizeof(struct mwifiex_ie_types_header));
366 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
367 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
368 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
369 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
370 }
371
372 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
373 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
374 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
375 gwk_cipher->header.len =
376 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
377 sizeof(struct mwifiex_ie_types_header));
378 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
379 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
380 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
381 }
382
383 if (bss_cfg->wpa_cfg.length) {
384 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
385 passphrase->header.type =
386 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
387 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
388 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
389 bss_cfg->wpa_cfg.length);
390 cmd_size += sizeof(struct mwifiex_ie_types_header) +
391 bss_cfg->wpa_cfg.length;
392 tlv += sizeof(struct mwifiex_ie_types_header) +
393 bss_cfg->wpa_cfg.length;
394 }
395
396 *param_size = cmd_size;
397 *tlv_buf = tlv;
398
399 return;
400 }
401
402 /* This function parses WMM related parameters from cfg80211_ap_settings
403 * structure and updates bss_config structure.
404 */
405 void
mwifiex_set_wmm_params(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_ap_settings * params)406 mwifiex_set_wmm_params(struct mwifiex_private *priv,
407 struct mwifiex_uap_bss_param *bss_cfg,
408 struct cfg80211_ap_settings *params)
409 {
410 const u8 *vendor_ie;
411 struct ieee_types_header *wmm_ie;
412 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
413
414 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
415 WLAN_OUI_TYPE_MICROSOFT_WMM,
416 params->beacon.tail,
417 params->beacon.tail_len);
418 if (vendor_ie) {
419 wmm_ie = (struct ieee_types_header *)vendor_ie;
420 if (*(vendor_ie + 1) > sizeof(struct mwifiex_types_wmm_info))
421 return;
422 memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
423 sizeof(bss_cfg->wmm_info));
424 priv->wmm_enabled = 1;
425 } else {
426 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
427 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
428 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
429 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
430 priv->wmm_enabled = 0;
431 }
432
433 bss_cfg->qos_info = 0x00;
434 return;
435 }
436 /* This function parses BSS related parameters from structure
437 * and prepares TLVs specific to WEP encryption.
438 * These TLVs are appended to command buffer.
439 */
440 static void
mwifiex_uap_bss_wep(u8 ** tlv_buf,void * cmd_buf,u16 * param_size)441 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
442 {
443 struct host_cmd_tlv_wep_key *wep_key;
444 u16 cmd_size = *param_size;
445 int i;
446 u8 *tlv = *tlv_buf;
447 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
448
449 for (i = 0; i < NUM_WEP_KEYS; i++) {
450 if (bss_cfg->wep_cfg[i].length &&
451 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
452 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
453 wep_key = (struct host_cmd_tlv_wep_key *)tlv;
454 wep_key->header.type =
455 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
456 wep_key->header.len =
457 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
458 wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
459 wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
460 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
461 bss_cfg->wep_cfg[i].length);
462 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
463 bss_cfg->wep_cfg[i].length;
464 tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
465 bss_cfg->wep_cfg[i].length;
466 }
467 }
468
469 *param_size = cmd_size;
470 *tlv_buf = tlv;
471
472 return;
473 }
474
475 /* This function parses BSS related parameters from structure
476 * and prepares TLVs. These TLVs are appended to command buffer.
477 */
478 static int
mwifiex_uap_bss_param_prepare(u8 * tlv,void * cmd_buf,u16 * param_size)479 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
480 {
481 struct host_cmd_tlv_dtim_period *dtim_period;
482 struct host_cmd_tlv_beacon_period *beacon_period;
483 struct host_cmd_tlv_ssid *ssid;
484 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
485 struct host_cmd_tlv_channel_band *chan_band;
486 struct host_cmd_tlv_frag_threshold *frag_threshold;
487 struct host_cmd_tlv_rts_threshold *rts_threshold;
488 struct host_cmd_tlv_retry_limit *retry_limit;
489 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
490 struct host_cmd_tlv_auth_type *auth_type;
491 struct host_cmd_tlv_rates *tlv_rates;
492 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
493 struct host_cmd_tlv_power_constraint *pwr_ct;
494 struct mwifiex_ie_types_htcap *htcap;
495 struct mwifiex_ie_types_wmmcap *wmm_cap;
496 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
497 int i;
498 u16 cmd_size = *param_size;
499
500 if (bss_cfg->ssid.ssid_len) {
501 ssid = (struct host_cmd_tlv_ssid *)tlv;
502 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
503 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
504 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
505 cmd_size += sizeof(struct mwifiex_ie_types_header) +
506 bss_cfg->ssid.ssid_len;
507 tlv += sizeof(struct mwifiex_ie_types_header) +
508 bss_cfg->ssid.ssid_len;
509
510 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
511 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
512 bcast_ssid->header.len =
513 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
514 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
515 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
516 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
517 }
518 if (bss_cfg->rates[0]) {
519 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
520 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
521
522 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
523 i++)
524 tlv_rates->rates[i] = bss_cfg->rates[i];
525
526 tlv_rates->header.len = cpu_to_le16(i);
527 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
528 tlv += sizeof(struct host_cmd_tlv_rates) + i;
529 }
530 if (bss_cfg->channel &&
531 ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
532 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
533 (bss_cfg->band_cfg == BAND_CONFIG_A &&
534 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
535 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
536 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
537 chan_band->header.len =
538 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
539 sizeof(struct mwifiex_ie_types_header));
540 chan_band->band_config = bss_cfg->band_cfg;
541 chan_band->channel = bss_cfg->channel;
542 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
543 tlv += sizeof(struct host_cmd_tlv_channel_band);
544 }
545 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
546 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
547 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
548 beacon_period->header.type =
549 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
550 beacon_period->header.len =
551 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
552 sizeof(struct mwifiex_ie_types_header));
553 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
554 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
555 tlv += sizeof(struct host_cmd_tlv_beacon_period);
556 }
557 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
558 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
559 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
560 dtim_period->header.type =
561 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
562 dtim_period->header.len =
563 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
564 sizeof(struct mwifiex_ie_types_header));
565 dtim_period->period = bss_cfg->dtim_period;
566 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
567 tlv += sizeof(struct host_cmd_tlv_dtim_period);
568 }
569 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
570 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
571 rts_threshold->header.type =
572 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
573 rts_threshold->header.len =
574 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
575 sizeof(struct mwifiex_ie_types_header));
576 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
577 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
578 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
579 }
580 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
581 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
582 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
583 frag_threshold->header.type =
584 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
585 frag_threshold->header.len =
586 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
587 sizeof(struct mwifiex_ie_types_header));
588 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
589 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
590 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
591 }
592 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
593 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
594 retry_limit->header.type =
595 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
596 retry_limit->header.len =
597 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
598 sizeof(struct mwifiex_ie_types_header));
599 retry_limit->limit = (u8)bss_cfg->retry_limit;
600 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
601 tlv += sizeof(struct host_cmd_tlv_retry_limit);
602 }
603 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
604 (bss_cfg->protocol & PROTOCOL_WPA2) ||
605 (bss_cfg->protocol & PROTOCOL_EAP))
606 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
607 else
608 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
609
610 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
611 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
612 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
613 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
614 auth_type->header.len =
615 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
616 sizeof(struct mwifiex_ie_types_header));
617 auth_type->auth_type = (u8)bss_cfg->auth_mode;
618 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
619 tlv += sizeof(struct host_cmd_tlv_auth_type);
620 }
621 if (bss_cfg->protocol) {
622 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
623 encrypt_protocol->header.type =
624 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
625 encrypt_protocol->header.len =
626 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
627 - sizeof(struct mwifiex_ie_types_header));
628 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
629 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
630 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
631 }
632
633 if (bss_cfg->ht_cap.cap_info) {
634 htcap = (struct mwifiex_ie_types_htcap *)tlv;
635 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
636 htcap->header.len =
637 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
638 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
639 htcap->ht_cap.ampdu_params_info =
640 bss_cfg->ht_cap.ampdu_params_info;
641 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
642 sizeof(struct ieee80211_mcs_info));
643 htcap->ht_cap.extended_ht_cap_info =
644 bss_cfg->ht_cap.extended_ht_cap_info;
645 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
646 htcap->ht_cap.antenna_selection_info =
647 bss_cfg->ht_cap.antenna_selection_info;
648 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
649 tlv += sizeof(struct mwifiex_ie_types_htcap);
650 }
651
652 if (bss_cfg->wmm_info.qos_info != 0xFF) {
653 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
654 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
655 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
656 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
657 sizeof(wmm_cap->wmm_info));
658 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
659 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
660 }
661
662 if (bss_cfg->sta_ao_timer) {
663 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
664 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
665 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
666 sizeof(struct mwifiex_ie_types_header));
667 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
668 cmd_size += sizeof(*ao_timer);
669 tlv += sizeof(*ao_timer);
670 }
671
672 if (bss_cfg->power_constraint) {
673 pwr_ct = (void *)tlv;
674 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
675 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
676 pwr_ct->constraint = bss_cfg->power_constraint;
677 cmd_size += sizeof(*pwr_ct);
678 tlv += sizeof(*pwr_ct);
679 }
680
681 if (bss_cfg->ps_sta_ao_timer) {
682 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
683 ps_ao_timer->header.type =
684 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
685 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
686 sizeof(struct mwifiex_ie_types_header));
687 ps_ao_timer->sta_ao_timer =
688 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
689 cmd_size += sizeof(*ps_ao_timer);
690 tlv += sizeof(*ps_ao_timer);
691 }
692
693 *param_size = cmd_size;
694
695 return 0;
696 }
697
698 /* 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)699 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
700 {
701 struct mwifiex_ie_list *ap_ie = cmd_buf;
702 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
703
704 if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
705 return -1;
706
707 *ie_size += le16_to_cpu(ap_ie->len) +
708 sizeof(struct mwifiex_ie_types_header);
709
710 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
711 tlv_ie->len = ap_ie->len;
712 tlv += sizeof(struct mwifiex_ie_types_header);
713
714 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
715
716 return 0;
717 }
718
719 /* Parse AP config structure and prepare TLV based command structure
720 * to be sent to FW for uAP configuration
721 */
722 static int
mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command * cmd,u16 cmd_action,u32 type,void * cmd_buf)723 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
724 u32 type, void *cmd_buf)
725 {
726 u8 *tlv;
727 u16 cmd_size, param_size, ie_size;
728 struct host_cmd_ds_sys_config *sys_cfg;
729
730 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
731 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
732 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
733 sys_cfg->action = cpu_to_le16(cmd_action);
734 tlv = sys_cfg->tlv;
735
736 switch (type) {
737 case UAP_BSS_PARAMS_I:
738 param_size = cmd_size;
739 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size))
740 return -1;
741 cmd->size = cpu_to_le16(param_size);
742 break;
743 case UAP_CUSTOM_IE_I:
744 ie_size = cmd_size;
745 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
746 return -1;
747 cmd->size = cpu_to_le16(ie_size);
748 break;
749 default:
750 return -1;
751 }
752
753 return 0;
754 }
755
756 /* This function prepares AP specific deauth command with mac supplied in
757 * function parameter.
758 */
mwifiex_cmd_uap_sta_deauth(struct mwifiex_private * priv,struct host_cmd_ds_command * cmd,u8 * mac)759 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
760 struct host_cmd_ds_command *cmd, u8 *mac)
761 {
762 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
763
764 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
765 memcpy(sta_deauth->mac, mac, ETH_ALEN);
766 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
767
768 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
769 S_DS_GEN);
770 return 0;
771 }
772
773 /* This function prepares the AP specific commands before sending them
774 * to the firmware.
775 * This is a generic function which calls specific command preparation
776 * routines based upon the command number.
777 */
mwifiex_uap_prepare_cmd(struct mwifiex_private * priv,u16 cmd_no,u16 cmd_action,u32 type,void * data_buf,void * cmd_buf)778 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
779 u16 cmd_action, u32 type,
780 void *data_buf, void *cmd_buf)
781 {
782 struct host_cmd_ds_command *cmd = cmd_buf;
783
784 switch (cmd_no) {
785 case HostCmd_CMD_UAP_SYS_CONFIG:
786 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
787 return -1;
788 break;
789 case HostCmd_CMD_UAP_BSS_START:
790 case HostCmd_CMD_UAP_BSS_STOP:
791 case HOST_CMD_APCMD_SYS_RESET:
792 case HOST_CMD_APCMD_STA_LIST:
793 cmd->command = cpu_to_le16(cmd_no);
794 cmd->size = cpu_to_le16(S_DS_GEN);
795 break;
796 case HostCmd_CMD_UAP_STA_DEAUTH:
797 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
798 return -1;
799 break;
800 case HostCmd_CMD_CHAN_REPORT_REQUEST:
801 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
802 data_buf))
803 return -1;
804 break;
805 default:
806 mwifiex_dbg(priv->adapter, ERROR,
807 "PREP_CMD: unknown cmd %#x\n", cmd_no);
808 return -1;
809 }
810
811 return 0;
812 }
813
mwifiex_uap_set_channel(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_chan_def chandef)814 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
815 struct mwifiex_uap_bss_param *bss_cfg,
816 struct cfg80211_chan_def chandef)
817 {
818 u8 config_bands = 0, old_bands = priv->adapter->config_bands;
819
820 priv->bss_chandef = chandef;
821
822 bss_cfg->channel = ieee80211_frequency_to_channel(
823 chandef.chan->center_freq);
824
825 /* Set appropriate bands */
826 if (chandef.chan->band == IEEE80211_BAND_2GHZ) {
827 bss_cfg->band_cfg = BAND_CONFIG_BG;
828 config_bands = BAND_B | BAND_G;
829
830 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
831 config_bands |= BAND_GN;
832 } else {
833 bss_cfg->band_cfg = BAND_CONFIG_A;
834 config_bands = BAND_A;
835
836 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
837 config_bands |= BAND_AN;
838
839 if (chandef.width > NL80211_CHAN_WIDTH_40)
840 config_bands |= BAND_AAC;
841 }
842
843 priv->adapter->config_bands = config_bands;
844
845 if (old_bands != config_bands) {
846 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
847 mwifiex_dnld_txpwr_table(priv);
848 }
849 }
850
mwifiex_config_start_uap(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg)851 int mwifiex_config_start_uap(struct mwifiex_private *priv,
852 struct mwifiex_uap_bss_param *bss_cfg)
853 {
854 enum state_11d_t state_11d;
855
856 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
857 HostCmd_ACT_GEN_SET,
858 UAP_BSS_PARAMS_I, bss_cfg, false)) {
859 mwifiex_dbg(priv->adapter, ERROR,
860 "Failed to set the SSID\n");
861 return -1;
862 }
863
864 /* Send cmd to FW to enable 11D function */
865 state_11d = ENABLE_11D;
866 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
867 HostCmd_ACT_GEN_SET, DOT11D_I,
868 &state_11d, true)) {
869 mwifiex_dbg(priv->adapter, ERROR,
870 "11D: failed to enable 11D\n");
871 return -1;
872 }
873
874 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
875 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
876 mwifiex_dbg(priv->adapter, ERROR,
877 "Failed to start the BSS\n");
878 return -1;
879 }
880
881 if (priv->sec_info.wep_enabled)
882 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
883 else
884 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
885
886 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
887 HostCmd_ACT_GEN_SET, 0,
888 &priv->curr_pkt_filter, true))
889 return -1;
890
891 return 0;
892 }
893