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 #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_dtim_period *dtim_period;
483 struct host_cmd_tlv_beacon_period *beacon_period;
484 struct host_cmd_tlv_ssid *ssid;
485 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
486 struct host_cmd_tlv_channel_band *chan_band;
487 struct host_cmd_tlv_frag_threshold *frag_threshold;
488 struct host_cmd_tlv_rts_threshold *rts_threshold;
489 struct host_cmd_tlv_retry_limit *retry_limit;
490 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
491 struct host_cmd_tlv_auth_type *auth_type;
492 struct host_cmd_tlv_rates *tlv_rates;
493 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
494 struct host_cmd_tlv_power_constraint *pwr_ct;
495 struct mwifiex_ie_types_htcap *htcap;
496 struct mwifiex_ie_types_wmmcap *wmm_cap;
497 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
498 int i;
499 u16 cmd_size = *param_size;
500
501 if (bss_cfg->ssid.ssid_len) {
502 ssid = (struct host_cmd_tlv_ssid *)tlv;
503 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
504 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
505 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
506 cmd_size += sizeof(struct mwifiex_ie_types_header) +
507 bss_cfg->ssid.ssid_len;
508 tlv += sizeof(struct mwifiex_ie_types_header) +
509 bss_cfg->ssid.ssid_len;
510
511 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
512 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
513 bcast_ssid->header.len =
514 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
515 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
516 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
517 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
518 }
519 if (bss_cfg->rates[0]) {
520 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
521 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
522
523 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
524 i++)
525 tlv_rates->rates[i] = bss_cfg->rates[i];
526
527 tlv_rates->header.len = cpu_to_le16(i);
528 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
529 tlv += sizeof(struct host_cmd_tlv_rates) + i;
530 }
531 if (bss_cfg->channel &&
532 (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
533 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
534 ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
535 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
536 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
537 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
538 chan_band->header.len =
539 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
540 sizeof(struct mwifiex_ie_types_header));
541 chan_band->band_config = bss_cfg->band_cfg;
542 chan_band->channel = bss_cfg->channel;
543 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
544 tlv += sizeof(struct host_cmd_tlv_channel_band);
545 }
546 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
547 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
548 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
549 beacon_period->header.type =
550 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
551 beacon_period->header.len =
552 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
553 sizeof(struct mwifiex_ie_types_header));
554 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
555 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
556 tlv += sizeof(struct host_cmd_tlv_beacon_period);
557 }
558 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
559 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
560 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
561 dtim_period->header.type =
562 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
563 dtim_period->header.len =
564 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
565 sizeof(struct mwifiex_ie_types_header));
566 dtim_period->period = bss_cfg->dtim_period;
567 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
568 tlv += sizeof(struct host_cmd_tlv_dtim_period);
569 }
570 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
571 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
572 rts_threshold->header.type =
573 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
574 rts_threshold->header.len =
575 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
576 sizeof(struct mwifiex_ie_types_header));
577 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
578 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
579 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
580 }
581 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
582 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
583 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
584 frag_threshold->header.type =
585 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
586 frag_threshold->header.len =
587 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
588 sizeof(struct mwifiex_ie_types_header));
589 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
590 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
591 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
592 }
593 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
594 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
595 retry_limit->header.type =
596 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
597 retry_limit->header.len =
598 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
599 sizeof(struct mwifiex_ie_types_header));
600 retry_limit->limit = (u8)bss_cfg->retry_limit;
601 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
602 tlv += sizeof(struct host_cmd_tlv_retry_limit);
603 }
604 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
605 (bss_cfg->protocol & PROTOCOL_WPA2) ||
606 (bss_cfg->protocol & PROTOCOL_EAP))
607 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
608 else
609 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
610
611 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
612 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
613 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
614 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
615 auth_type->header.len =
616 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
617 sizeof(struct mwifiex_ie_types_header));
618 auth_type->auth_type = (u8)bss_cfg->auth_mode;
619 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
620 tlv += sizeof(struct host_cmd_tlv_auth_type);
621 }
622 if (bss_cfg->protocol) {
623 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
624 encrypt_protocol->header.type =
625 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
626 encrypt_protocol->header.len =
627 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
628 - sizeof(struct mwifiex_ie_types_header));
629 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
630 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
631 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
632 }
633
634 if (bss_cfg->ht_cap.cap_info) {
635 htcap = (struct mwifiex_ie_types_htcap *)tlv;
636 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
637 htcap->header.len =
638 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
639 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
640 htcap->ht_cap.ampdu_params_info =
641 bss_cfg->ht_cap.ampdu_params_info;
642 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
643 sizeof(struct ieee80211_mcs_info));
644 htcap->ht_cap.extended_ht_cap_info =
645 bss_cfg->ht_cap.extended_ht_cap_info;
646 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
647 htcap->ht_cap.antenna_selection_info =
648 bss_cfg->ht_cap.antenna_selection_info;
649 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
650 tlv += sizeof(struct mwifiex_ie_types_htcap);
651 }
652
653 if (bss_cfg->wmm_info.qos_info != 0xFF) {
654 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
655 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
656 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
657 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
658 sizeof(wmm_cap->wmm_info));
659 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
660 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
661 }
662
663 if (bss_cfg->sta_ao_timer) {
664 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
665 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
666 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
667 sizeof(struct mwifiex_ie_types_header));
668 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
669 cmd_size += sizeof(*ao_timer);
670 tlv += sizeof(*ao_timer);
671 }
672
673 if (bss_cfg->power_constraint) {
674 pwr_ct = (void *)tlv;
675 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
676 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
677 pwr_ct->constraint = bss_cfg->power_constraint;
678 cmd_size += sizeof(*pwr_ct);
679 tlv += sizeof(*pwr_ct);
680 }
681
682 if (bss_cfg->ps_sta_ao_timer) {
683 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
684 ps_ao_timer->header.type =
685 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
686 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
687 sizeof(struct mwifiex_ie_types_header));
688 ps_ao_timer->sta_ao_timer =
689 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
690 cmd_size += sizeof(*ps_ao_timer);
691 tlv += sizeof(*ps_ao_timer);
692 }
693
694 *param_size = cmd_size;
695
696 return 0;
697 }
698
699 /* 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)700 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
701 {
702 struct mwifiex_ie_list *ap_ie = cmd_buf;
703 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
704
705 if (!ap_ie || !ap_ie->len)
706 return -1;
707
708 *ie_size += le16_to_cpu(ap_ie->len) +
709 sizeof(struct mwifiex_ie_types_header);
710
711 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
712 tlv_ie->len = ap_ie->len;
713 tlv += sizeof(struct mwifiex_ie_types_header);
714
715 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
716
717 return 0;
718 }
719
720 /* Parse AP config structure and prepare TLV based command structure
721 * to be sent to FW for uAP configuration
722 */
723 static int
mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command * cmd,u16 cmd_action,u32 type,void * cmd_buf)724 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
725 u32 type, void *cmd_buf)
726 {
727 u8 *tlv;
728 u16 cmd_size, param_size, ie_size;
729 struct host_cmd_ds_sys_config *sys_cfg;
730
731 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
732 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
733 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
734 sys_cfg->action = cpu_to_le16(cmd_action);
735 tlv = sys_cfg->tlv;
736
737 switch (type) {
738 case UAP_BSS_PARAMS_I:
739 param_size = cmd_size;
740 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size))
741 return -1;
742 cmd->size = cpu_to_le16(param_size);
743 break;
744 case UAP_CUSTOM_IE_I:
745 ie_size = cmd_size;
746 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
747 return -1;
748 cmd->size = cpu_to_le16(ie_size);
749 break;
750 default:
751 return -1;
752 }
753
754 return 0;
755 }
756
757 /* This function prepares AP specific deauth command with mac supplied in
758 * function parameter.
759 */
mwifiex_cmd_uap_sta_deauth(struct mwifiex_private * priv,struct host_cmd_ds_command * cmd,u8 * mac)760 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
761 struct host_cmd_ds_command *cmd, u8 *mac)
762 {
763 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
764
765 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
766 memcpy(sta_deauth->mac, mac, ETH_ALEN);
767 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
768
769 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
770 S_DS_GEN);
771 return 0;
772 }
773
774 /* This function prepares the AP specific commands before sending them
775 * to the firmware.
776 * This is a generic function which calls specific command preparation
777 * routines based upon the command number.
778 */
mwifiex_uap_prepare_cmd(struct mwifiex_private * priv,u16 cmd_no,u16 cmd_action,u32 type,void * data_buf,void * cmd_buf)779 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
780 u16 cmd_action, u32 type,
781 void *data_buf, void *cmd_buf)
782 {
783 struct host_cmd_ds_command *cmd = cmd_buf;
784
785 switch (cmd_no) {
786 case HostCmd_CMD_UAP_SYS_CONFIG:
787 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
788 return -1;
789 break;
790 case HostCmd_CMD_UAP_BSS_START:
791 case HostCmd_CMD_UAP_BSS_STOP:
792 case HOST_CMD_APCMD_SYS_RESET:
793 case HOST_CMD_APCMD_STA_LIST:
794 cmd->command = cpu_to_le16(cmd_no);
795 cmd->size = cpu_to_le16(S_DS_GEN);
796 break;
797 case HostCmd_CMD_UAP_STA_DEAUTH:
798 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
799 return -1;
800 break;
801 case HostCmd_CMD_CHAN_REPORT_REQUEST:
802 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
803 data_buf))
804 return -1;
805 break;
806 default:
807 mwifiex_dbg(priv->adapter, ERROR,
808 "PREP_CMD: unknown cmd %#x\n", cmd_no);
809 return -1;
810 }
811
812 return 0;
813 }
814
mwifiex_uap_set_channel(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg,struct cfg80211_chan_def chandef)815 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
816 struct mwifiex_uap_bss_param *bss_cfg,
817 struct cfg80211_chan_def chandef)
818 {
819 u8 config_bands = 0, old_bands = priv->adapter->config_bands;
820
821 priv->bss_chandef = chandef;
822
823 bss_cfg->channel = ieee80211_frequency_to_channel(
824 chandef.chan->center_freq);
825
826 /* Set appropriate bands */
827 if (chandef.chan->band == NL80211_BAND_2GHZ) {
828 bss_cfg->band_cfg = BAND_CONFIG_BG;
829 config_bands = BAND_B | BAND_G;
830
831 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
832 config_bands |= BAND_GN;
833 } else {
834 bss_cfg->band_cfg = BAND_CONFIG_A;
835 config_bands = BAND_A;
836
837 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
838 config_bands |= BAND_AN;
839
840 if (chandef.width > NL80211_CHAN_WIDTH_40)
841 config_bands |= BAND_AAC;
842 }
843
844 switch (chandef.width) {
845 case NL80211_CHAN_WIDTH_5:
846 case NL80211_CHAN_WIDTH_10:
847 case NL80211_CHAN_WIDTH_20_NOHT:
848 case NL80211_CHAN_WIDTH_20:
849 break;
850 case NL80211_CHAN_WIDTH_40:
851 if (chandef.center_freq1 < chandef.chan->center_freq)
852 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
853 else
854 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
855 break;
856 case NL80211_CHAN_WIDTH_80:
857 case NL80211_CHAN_WIDTH_80P80:
858 case NL80211_CHAN_WIDTH_160:
859 bss_cfg->band_cfg |=
860 mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
861 break;
862 default:
863 mwifiex_dbg(priv->adapter,
864 WARN, "Unknown channel width: %d\n",
865 chandef.width);
866 break;
867 }
868
869 priv->adapter->config_bands = config_bands;
870
871 if (old_bands != config_bands) {
872 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
873 mwifiex_dnld_txpwr_table(priv);
874 }
875 }
876
mwifiex_config_start_uap(struct mwifiex_private * priv,struct mwifiex_uap_bss_param * bss_cfg)877 int mwifiex_config_start_uap(struct mwifiex_private *priv,
878 struct mwifiex_uap_bss_param *bss_cfg)
879 {
880 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
881 HostCmd_ACT_GEN_SET,
882 UAP_BSS_PARAMS_I, bss_cfg, true)) {
883 mwifiex_dbg(priv->adapter, ERROR,
884 "Failed to set AP configuration\n");
885 return -1;
886 }
887
888 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
889 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
890 mwifiex_dbg(priv->adapter, ERROR,
891 "Failed to start the BSS\n");
892 return -1;
893 }
894
895 if (priv->sec_info.wep_enabled)
896 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
897 else
898 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
899
900 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
901 HostCmd_ACT_GEN_SET, 0,
902 &priv->curr_pkt_filter, true))
903 return -1;
904
905 return 0;
906 }
907
