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1/*
2 * Marvell Wireless LAN device driver: AP specific command handling
3 *
4 * Copyright (C) 2012, 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 */
26int 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 */
156void
157mwifiex_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 memset(&bss_cfg->ht_cap.mcs, 0xff, 1);
179 break;
180 case MWIFIEX_RX_STBC12: /* fall through */
181 case MWIFIEX_RX_STBC123:
182 /* HT_CAP 2X2 mode */
183 memset(&bss_cfg->ht_cap.mcs, 0xff, 2);
184 break;
185 default:
186 dev_warn(priv->adapter->dev,
187 "Unsupported RX-STBC, default to 2x2\n");
188 memset(&bss_cfg->ht_cap.mcs, 0xff, 2);
189 break;
190 }
191 priv->ap_11n_enabled = 1;
192 } else {
193 memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
194 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
195 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
196 }
197
198 return;
199}
200
201/* This function updates 11ac related parameters from IE
202 * and sets them into bss_config structure.
203 */
204void mwifiex_set_vht_params(struct mwifiex_private *priv,
205 struct mwifiex_uap_bss_param *bss_cfg,
206 struct cfg80211_ap_settings *params)
207{
208 const u8 *vht_ie;
209
210 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
211 params->beacon.tail_len);
212 if (vht_ie) {
213 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
214 sizeof(struct ieee80211_vht_cap));
215 priv->ap_11ac_enabled = 1;
216 } else {
217 priv->ap_11ac_enabled = 0;
218 }
219
220 return;
221}
222
223/* Enable VHT only when cfg80211_ap_settings has VHT IE.
224 * Otherwise disable VHT.
225 */
226void mwifiex_set_vht_width(struct mwifiex_private *priv,
227 enum nl80211_chan_width width,
228 bool ap_11ac_enable)
229{
230 struct mwifiex_adapter *adapter = priv->adapter;
231 struct mwifiex_11ac_vht_cfg vht_cfg;
232
233 vht_cfg.band_config = VHT_CFG_5GHZ;
234 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
235
236 if (!ap_11ac_enable) {
237 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
238 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
239 } else {
240 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
241 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
242 }
243
244 vht_cfg.misc_config = VHT_CAP_UAP_ONLY;
245
246 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
247 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
248
249 mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
250 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
251
252 return;
253}
254
255/* This function finds supported rates IE from beacon parameter and sets
256 * these rates into bss_config structure.
257 */
258void
259mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
260 struct cfg80211_ap_settings *params)
261{
262 struct ieee_types_header *rate_ie;
263 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
264 const u8 *var_pos = params->beacon.head + var_offset;
265 int len = params->beacon.head_len - var_offset;
266 u8 rate_len = 0;
267
268 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
269 if (rate_ie) {
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 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
279
280 return;
281}
282
283/* This function initializes some of mwifiex_uap_bss_param variables.
284 * This helps FW in ignoring invalid values. These values may or may not
285 * be get updated to valid ones at later stage.
286 */
287void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
288{
289 config->bcast_ssid_ctl = 0x7F;
290 config->radio_ctl = 0x7F;
291 config->dtim_period = 0x7F;
292 config->beacon_period = 0x7FFF;
293 config->auth_mode = 0x7F;
294 config->rts_threshold = 0x7FFF;
295 config->frag_threshold = 0x7FFF;
296 config->retry_limit = 0x7F;
297 config->qos_info = 0xFF;
298}
299
300/* This function parses BSS related parameters from structure
301 * and prepares TLVs specific to WPA/WPA2 security.
302 * These TLVs are appended to command buffer.
303 */
304static void
305mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
306{
307 struct host_cmd_tlv_pwk_cipher *pwk_cipher;
308 struct host_cmd_tlv_gwk_cipher *gwk_cipher;
309 struct host_cmd_tlv_passphrase *passphrase;
310 struct host_cmd_tlv_akmp *tlv_akmp;
311 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
312 u16 cmd_size = *param_size;
313 u8 *tlv = *tlv_buf;
314
315 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
316 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
317 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
318 sizeof(struct mwifiex_ie_types_header));
319 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
320 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
321 cmd_size += sizeof(struct host_cmd_tlv_akmp);
322 tlv += sizeof(struct host_cmd_tlv_akmp);
323
324 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
325 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
326 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
327 pwk_cipher->header.len =
328 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
329 sizeof(struct mwifiex_ie_types_header));
330 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
331 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
332 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
333 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
334 }
335
336 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
337 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
338 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
339 pwk_cipher->header.len =
340 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
341 sizeof(struct mwifiex_ie_types_header));
342 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
343 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
344 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
345 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
346 }
347
348 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
349 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
350 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
351 gwk_cipher->header.len =
352 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
353 sizeof(struct mwifiex_ie_types_header));
354 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
355 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
356 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
357 }
358
359 if (bss_cfg->wpa_cfg.length) {
360 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
361 passphrase->header.type =
362 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
363 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
364 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
365 bss_cfg->wpa_cfg.length);
366 cmd_size += sizeof(struct mwifiex_ie_types_header) +
367 bss_cfg->wpa_cfg.length;
368 tlv += sizeof(struct mwifiex_ie_types_header) +
369 bss_cfg->wpa_cfg.length;
370 }
371
372 *param_size = cmd_size;
373 *tlv_buf = tlv;
374
375 return;
376}
377
378/* This function parses WMM related parameters from cfg80211_ap_settings
379 * structure and updates bss_config structure.
380 */
381void
382mwifiex_set_wmm_params(struct mwifiex_private *priv,
383 struct mwifiex_uap_bss_param *bss_cfg,
384 struct cfg80211_ap_settings *params)
385{
386 const u8 *vendor_ie;
387 struct ieee_types_header *wmm_ie;
388 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
389
390 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
391 WLAN_OUI_TYPE_MICROSOFT_WMM,
392 params->beacon.tail,
393 params->beacon.tail_len);
394 if (vendor_ie) {
395 wmm_ie = (struct ieee_types_header *)vendor_ie;
396 memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
397 sizeof(bss_cfg->wmm_info));
398 priv->wmm_enabled = 1;
399 } else {
400 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
401 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
402 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
403 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
404 priv->wmm_enabled = 0;
405 }
406
407 bss_cfg->qos_info = 0x00;
408 return;
409}
410/* This function parses BSS related parameters from structure
411 * and prepares TLVs specific to WEP encryption.
412 * These TLVs are appended to command buffer.
413 */
414static void
415mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
416{
417 struct host_cmd_tlv_wep_key *wep_key;
418 u16 cmd_size = *param_size;
419 int i;
420 u8 *tlv = *tlv_buf;
421 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
422
423 for (i = 0; i < NUM_WEP_KEYS; i++) {
424 if (bss_cfg->wep_cfg[i].length &&
425 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
426 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
427 wep_key = (struct host_cmd_tlv_wep_key *)tlv;
428 wep_key->header.type =
429 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
430 wep_key->header.len =
431 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
432 wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
433 wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
434 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
435 bss_cfg->wep_cfg[i].length);
436 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
437 bss_cfg->wep_cfg[i].length;
438 tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
439 bss_cfg->wep_cfg[i].length;
440 }
441 }
442
443 *param_size = cmd_size;
444 *tlv_buf = tlv;
445
446 return;
447}
448
449/* This function parses BSS related parameters from structure
450 * and prepares TLVs. These TLVs are appended to command buffer.
451*/
452static int
453mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
454{
455 struct host_cmd_tlv_dtim_period *dtim_period;
456 struct host_cmd_tlv_beacon_period *beacon_period;
457 struct host_cmd_tlv_ssid *ssid;
458 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
459 struct host_cmd_tlv_channel_band *chan_band;
460 struct host_cmd_tlv_frag_threshold *frag_threshold;
461 struct host_cmd_tlv_rts_threshold *rts_threshold;
462 struct host_cmd_tlv_retry_limit *retry_limit;
463 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
464 struct host_cmd_tlv_auth_type *auth_type;
465 struct host_cmd_tlv_rates *tlv_rates;
466 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
467 struct mwifiex_ie_types_htcap *htcap;
468 struct mwifiex_ie_types_wmmcap *wmm_cap;
469 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
470 int i;
471 u16 cmd_size = *param_size;
472
473 if (bss_cfg->ssid.ssid_len) {
474 ssid = (struct host_cmd_tlv_ssid *)tlv;
475 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
476 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
477 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
478 cmd_size += sizeof(struct mwifiex_ie_types_header) +
479 bss_cfg->ssid.ssid_len;
480 tlv += sizeof(struct mwifiex_ie_types_header) +
481 bss_cfg->ssid.ssid_len;
482
483 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
484 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
485 bcast_ssid->header.len =
486 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
487 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
488 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
489 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
490 }
491 if (bss_cfg->rates[0]) {
492 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
493 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
494
495 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
496 i++)
497 tlv_rates->rates[i] = bss_cfg->rates[i];
498
499 tlv_rates->header.len = cpu_to_le16(i);
500 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
501 tlv += sizeof(struct host_cmd_tlv_rates) + i;
502 }
503 if (bss_cfg->channel &&
504 ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
505 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
506 (bss_cfg->band_cfg == BAND_CONFIG_A &&
507 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
508 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
509 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
510 chan_band->header.len =
511 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
512 sizeof(struct mwifiex_ie_types_header));
513 chan_band->band_config = bss_cfg->band_cfg;
514 chan_band->channel = bss_cfg->channel;
515 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
516 tlv += sizeof(struct host_cmd_tlv_channel_band);
517 }
518 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
519 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
520 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
521 beacon_period->header.type =
522 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
523 beacon_period->header.len =
524 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
525 sizeof(struct mwifiex_ie_types_header));
526 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
527 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
528 tlv += sizeof(struct host_cmd_tlv_beacon_period);
529 }
530 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
531 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
532 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
533 dtim_period->header.type =
534 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
535 dtim_period->header.len =
536 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
537 sizeof(struct mwifiex_ie_types_header));
538 dtim_period->period = bss_cfg->dtim_period;
539 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
540 tlv += sizeof(struct host_cmd_tlv_dtim_period);
541 }
542 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
543 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
544 rts_threshold->header.type =
545 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
546 rts_threshold->header.len =
547 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
548 sizeof(struct mwifiex_ie_types_header));
549 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
550 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
551 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
552 }
553 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
554 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
555 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
556 frag_threshold->header.type =
557 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
558 frag_threshold->header.len =
559 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
560 sizeof(struct mwifiex_ie_types_header));
561 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
562 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
563 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
564 }
565 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
566 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
567 retry_limit->header.type =
568 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
569 retry_limit->header.len =
570 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
571 sizeof(struct mwifiex_ie_types_header));
572 retry_limit->limit = (u8)bss_cfg->retry_limit;
573 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
574 tlv += sizeof(struct host_cmd_tlv_retry_limit);
575 }
576 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
577 (bss_cfg->protocol & PROTOCOL_WPA2) ||
578 (bss_cfg->protocol & PROTOCOL_EAP))
579 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
580 else
581 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
582
583 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
584 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
585 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
586 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
587 auth_type->header.len =
588 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
589 sizeof(struct mwifiex_ie_types_header));
590 auth_type->auth_type = (u8)bss_cfg->auth_mode;
591 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
592 tlv += sizeof(struct host_cmd_tlv_auth_type);
593 }
594 if (bss_cfg->protocol) {
595 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
596 encrypt_protocol->header.type =
597 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
598 encrypt_protocol->header.len =
599 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
600 - sizeof(struct mwifiex_ie_types_header));
601 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
602 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
603 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
604 }
605
606 if (bss_cfg->ht_cap.cap_info) {
607 htcap = (struct mwifiex_ie_types_htcap *)tlv;
608 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
609 htcap->header.len =
610 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
611 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
612 htcap->ht_cap.ampdu_params_info =
613 bss_cfg->ht_cap.ampdu_params_info;
614 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
615 sizeof(struct ieee80211_mcs_info));
616 htcap->ht_cap.extended_ht_cap_info =
617 bss_cfg->ht_cap.extended_ht_cap_info;
618 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
619 htcap->ht_cap.antenna_selection_info =
620 bss_cfg->ht_cap.antenna_selection_info;
621 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
622 tlv += sizeof(struct mwifiex_ie_types_htcap);
623 }
624
625 if (bss_cfg->wmm_info.qos_info != 0xFF) {
626 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
627 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
628 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
629 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
630 sizeof(wmm_cap->wmm_info));
631 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
632 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
633 }
634
635 if (bss_cfg->sta_ao_timer) {
636 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
637 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
638 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
639 sizeof(struct mwifiex_ie_types_header));
640 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
641 cmd_size += sizeof(*ao_timer);
642 tlv += sizeof(*ao_timer);
643 }
644
645 if (bss_cfg->ps_sta_ao_timer) {
646 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
647 ps_ao_timer->header.type =
648 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
649 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
650 sizeof(struct mwifiex_ie_types_header));
651 ps_ao_timer->sta_ao_timer =
652 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
653 cmd_size += sizeof(*ps_ao_timer);
654 tlv += sizeof(*ps_ao_timer);
655 }
656
657 *param_size = cmd_size;
658
659 return 0;
660}
661
662/* This function parses custom IEs from IE list and prepares command buffer */
663static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
664{
665 struct mwifiex_ie_list *ap_ie = cmd_buf;
666 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
667
668 if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
669 return -1;
670
671 *ie_size += le16_to_cpu(ap_ie->len) +
672 sizeof(struct mwifiex_ie_types_header);
673
674 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
675 tlv_ie->len = ap_ie->len;
676 tlv += sizeof(struct mwifiex_ie_types_header);
677
678 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
679
680 return 0;
681}
682
683/* Parse AP config structure and prepare TLV based command structure
684 * to be sent to FW for uAP configuration
685 */
686static int
687mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
688 u32 type, void *cmd_buf)
689{
690 u8 *tlv;
691 u16 cmd_size, param_size, ie_size;
692 struct host_cmd_ds_sys_config *sys_cfg;
693
694 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
695 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
696 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
697 sys_cfg->action = cpu_to_le16(cmd_action);
698 tlv = sys_cfg->tlv;
699
700 switch (type) {
701 case UAP_BSS_PARAMS_I:
702 param_size = cmd_size;
703 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size))
704 return -1;
705 cmd->size = cpu_to_le16(param_size);
706 break;
707 case UAP_CUSTOM_IE_I:
708 ie_size = cmd_size;
709 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
710 return -1;
711 cmd->size = cpu_to_le16(ie_size);
712 break;
713 default:
714 return -1;
715 }
716
717 return 0;
718}
719
720/* This function prepares AP specific deauth command with mac supplied in
721 * function parameter.
722 */
723static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
724 struct host_cmd_ds_command *cmd, u8 *mac)
725{
726 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
727
728 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
729 memcpy(sta_deauth->mac, mac, ETH_ALEN);
730 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
731
732 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
733 S_DS_GEN);
734 return 0;
735}
736
737/* This function prepares the AP specific commands before sending them
738 * to the firmware.
739 * This is a generic function which calls specific command preparation
740 * routines based upon the command number.
741 */
742int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
743 u16 cmd_action, u32 type,
744 void *data_buf, void *cmd_buf)
745{
746 struct host_cmd_ds_command *cmd = cmd_buf;
747
748 switch (cmd_no) {
749 case HostCmd_CMD_UAP_SYS_CONFIG:
750 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
751 return -1;
752 break;
753 case HostCmd_CMD_UAP_BSS_START:
754 case HostCmd_CMD_UAP_BSS_STOP:
755 cmd->command = cpu_to_le16(cmd_no);
756 cmd->size = cpu_to_le16(S_DS_GEN);
757 break;
758 case HostCmd_CMD_UAP_STA_DEAUTH:
759 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
760 return -1;
761 break;
762 default:
763 dev_err(priv->adapter->dev,
764 "PREP_CMD: unknown cmd %#x\n", cmd_no);
765 return -1;
766 }
767
768 return 0;
769}