?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 3.11-rc3
[cris-mirror.git] / drivers / net / wireless / mwifiex / uap_cmd.c
blob2de882dead0f879dee34831e0c61adc470d9dd70
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 */
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
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
163 if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
164 return;
165
166 ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
167 params->beacon.tail_len);
168 if (ht_ie) {
169 memcpy(&bss_cfg->ht_cap, ht_ie + 2,
170 sizeof(struct ieee80211_ht_cap));
171 priv->ap_11n_enabled = 1;
172 } else {
173 memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
174 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
175 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
176 }
177
178 return;
179 }
180
181 /* This function updates 11ac related parameters from IE
182 * and sets them into bss_config structure.
183 */
184 void mwifiex_set_vht_params(struct mwifiex_private *priv,
185 struct mwifiex_uap_bss_param *bss_cfg,
186 struct cfg80211_ap_settings *params)
187 {
188 const u8 *vht_ie;
189
190 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
191 params->beacon.tail_len);
192 if (vht_ie) {
193 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
194 sizeof(struct ieee80211_vht_cap));
195 priv->ap_11ac_enabled = 1;
196 } else {
197 priv->ap_11ac_enabled = 0;
198 }
199
200 return;
201 }
202
203 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
204 * Otherwise disable VHT.
205 */
206 void mwifiex_set_vht_width(struct mwifiex_private *priv,
207 enum nl80211_chan_width width,
208 bool ap_11ac_enable)
209 {
210 struct mwifiex_adapter *adapter = priv->adapter;
211 struct mwifiex_11ac_vht_cfg vht_cfg;
212
213 vht_cfg.band_config = VHT_CFG_5GHZ;
214 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
215
216 if (!ap_11ac_enable) {
217 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
218 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
219 } else {
220 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
221 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
222 }
223
224 vht_cfg.misc_config = VHT_CAP_UAP_ONLY;
225
226 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
227 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
228
229 mwifiex_send_cmd_sync(priv, HostCmd_CMD_11AC_CFG,
230 HostCmd_ACT_GEN_SET, 0, &vht_cfg);
231
232 return;
233 }
234
235 /* This function finds supported rates IE from beacon parameter and sets
236 * these rates into bss_config structure.
237 */
238 void
239 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
240 struct cfg80211_ap_settings *params)
241 {
242 struct ieee_types_header *rate_ie;
243 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
244 const u8 *var_pos = params->beacon.head + var_offset;
245 int len = params->beacon.head_len - var_offset;
246 u8 rate_len = 0;
247
248 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
249 if (rate_ie) {
250 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
251 rate_len = rate_ie->len;
252 }
253
254 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
255 params->beacon.tail,
256 params->beacon.tail_len);
257 if (rate_ie)
258 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
259
260 return;
261 }
262
263 /* This function initializes some of mwifiex_uap_bss_param variables.
264 * This helps FW in ignoring invalid values. These values may or may not
265 * be get updated to valid ones at later stage.
266 */
267 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
268 {
269 config->bcast_ssid_ctl = 0x7F;
270 config->radio_ctl = 0x7F;
271 config->dtim_period = 0x7F;
272 config->beacon_period = 0x7FFF;
273 config->auth_mode = 0x7F;
274 config->rts_threshold = 0x7FFF;
275 config->frag_threshold = 0x7FFF;
276 config->retry_limit = 0x7F;
277 config->qos_info = 0xFF;
278 }
279
280 /* This function parses BSS related parameters from structure
281 * and prepares TLVs specific to WPA/WPA2 security.
282 * These TLVs are appended to command buffer.
283 */
284 static void
285 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
286 {
287 struct host_cmd_tlv_pwk_cipher *pwk_cipher;
288 struct host_cmd_tlv_gwk_cipher *gwk_cipher;
289 struct host_cmd_tlv_passphrase *passphrase;
290 struct host_cmd_tlv_akmp *tlv_akmp;
291 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
292 u16 cmd_size = *param_size;
293 u8 *tlv = *tlv_buf;
294
295 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
296 tlv_akmp->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
297 tlv_akmp->tlv.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
298 sizeof(struct host_cmd_tlv));
299 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
300 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
301 cmd_size += sizeof(struct host_cmd_tlv_akmp);
302 tlv += sizeof(struct host_cmd_tlv_akmp);
303
304 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
305 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
306 pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
307 pwk_cipher->tlv.len =
308 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
309 sizeof(struct host_cmd_tlv));
310 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
311 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
312 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
313 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
314 }
315
316 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
317 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
318 pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
319 pwk_cipher->tlv.len =
320 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
321 sizeof(struct host_cmd_tlv));
322 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
323 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
324 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
325 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
326 }
327
328 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
329 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
330 gwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
331 gwk_cipher->tlv.len =
332 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
333 sizeof(struct host_cmd_tlv));
334 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
335 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
336 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
337 }
338
339 if (bss_cfg->wpa_cfg.length) {
340 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
341 passphrase->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
342 passphrase->tlv.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
343 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
344 bss_cfg->wpa_cfg.length);
345 cmd_size += sizeof(struct host_cmd_tlv) +
346 bss_cfg->wpa_cfg.length;
347 tlv += sizeof(struct host_cmd_tlv) + bss_cfg->wpa_cfg.length;
348 }
349
350 *param_size = cmd_size;
351 *tlv_buf = tlv;
352
353 return;
354 }
355
356 /* This function parses WMM related parameters from cfg80211_ap_settings
357 * structure and updates bss_config structure.
358 */
359 void
360 mwifiex_set_wmm_params(struct mwifiex_private *priv,
361 struct mwifiex_uap_bss_param *bss_cfg,
362 struct cfg80211_ap_settings *params)
363 {
364 const u8 *vendor_ie;
365 struct ieee_types_header *wmm_ie;
366 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
367
368 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
369 WLAN_OUI_TYPE_MICROSOFT_WMM,
370 params->beacon.tail,
371 params->beacon.tail_len);
372 if (vendor_ie) {
373 wmm_ie = (struct ieee_types_header *)vendor_ie;
374 memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
375 sizeof(bss_cfg->wmm_info));
376 priv->wmm_enabled = 1;
377 } else {
378 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
379 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
380 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
381 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
382 priv->wmm_enabled = 0;
383 }
384
385 bss_cfg->qos_info = 0x00;
386 return;
387 }
388 /* This function parses BSS related parameters from structure
389 * and prepares TLVs specific to WEP encryption.
390 * These TLVs are appended to command buffer.
391 */
392 static void
393 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
394 {
395 struct host_cmd_tlv_wep_key *wep_key;
396 u16 cmd_size = *param_size;
397 int i;
398 u8 *tlv = *tlv_buf;
399 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
400
401 for (i = 0; i < NUM_WEP_KEYS; i++) {
402 if (bss_cfg->wep_cfg[i].length &&
403 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
404 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
405 wep_key = (struct host_cmd_tlv_wep_key *)tlv;
406 wep_key->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
407 wep_key->tlv.len =
408 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
409 wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
410 wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
411 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
412 bss_cfg->wep_cfg[i].length);
413 cmd_size += sizeof(struct host_cmd_tlv) + 2 +
414 bss_cfg->wep_cfg[i].length;
415 tlv += sizeof(struct host_cmd_tlv) + 2 +
416 bss_cfg->wep_cfg[i].length;
417 }
418 }
419
420 *param_size = cmd_size;
421 *tlv_buf = tlv;
422
423 return;
424 }
425
426 /* This function parses BSS related parameters from structure
427 * and prepares TLVs. These TLVs are appended to command buffer.
428 */
429 static int
430 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
431 {
432 struct host_cmd_tlv_dtim_period *dtim_period;
433 struct host_cmd_tlv_beacon_period *beacon_period;
434 struct host_cmd_tlv_ssid *ssid;
435 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
436 struct host_cmd_tlv_channel_band *chan_band;
437 struct host_cmd_tlv_frag_threshold *frag_threshold;
438 struct host_cmd_tlv_rts_threshold *rts_threshold;
439 struct host_cmd_tlv_retry_limit *retry_limit;
440 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
441 struct host_cmd_tlv_auth_type *auth_type;
442 struct host_cmd_tlv_rates *tlv_rates;
443 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
444 struct mwifiex_ie_types_htcap *htcap;
445 struct mwifiex_ie_types_wmmcap *wmm_cap;
446 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
447 int i;
448 u16 cmd_size = *param_size;
449
450 if (bss_cfg->ssid.ssid_len) {
451 ssid = (struct host_cmd_tlv_ssid *)tlv;
452 ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
453 ssid->tlv.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
454 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
455 cmd_size += sizeof(struct host_cmd_tlv) +
456 bss_cfg->ssid.ssid_len;
457 tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len;
458
459 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
460 bcast_ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
461 bcast_ssid->tlv.len =
462 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
463 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
464 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
465 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
466 }
467 if (bss_cfg->rates[0]) {
468 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
469 tlv_rates->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
470
471 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
472 i++)
473 tlv_rates->rates[i] = bss_cfg->rates[i];
474
475 tlv_rates->tlv.len = cpu_to_le16(i);
476 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
477 tlv += sizeof(struct host_cmd_tlv_rates) + i;
478 }
479 if (bss_cfg->channel &&
480 ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
481 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
482 (bss_cfg->band_cfg == BAND_CONFIG_A &&
483 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
484 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
485 chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
486 chan_band->tlv.len =
487 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
488 sizeof(struct host_cmd_tlv));
489 chan_band->band_config = bss_cfg->band_cfg;
490 chan_band->channel = bss_cfg->channel;
491 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
492 tlv += sizeof(struct host_cmd_tlv_channel_band);
493 }
494 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
495 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
496 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
497 beacon_period->tlv.type =
498 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
499 beacon_period->tlv.len =
500 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
501 sizeof(struct host_cmd_tlv));
502 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
503 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
504 tlv += sizeof(struct host_cmd_tlv_beacon_period);
505 }
506 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
507 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
508 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
509 dtim_period->tlv.type = cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
510 dtim_period->tlv.len =
511 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
512 sizeof(struct host_cmd_tlv));
513 dtim_period->period = bss_cfg->dtim_period;
514 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
515 tlv += sizeof(struct host_cmd_tlv_dtim_period);
516 }
517 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
518 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
519 rts_threshold->tlv.type =
520 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
521 rts_threshold->tlv.len =
522 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
523 sizeof(struct host_cmd_tlv));
524 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
525 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
526 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
527 }
528 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
529 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
530 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
531 frag_threshold->tlv.type =
532 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
533 frag_threshold->tlv.len =
534 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
535 sizeof(struct host_cmd_tlv));
536 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
537 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
538 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
539 }
540 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
541 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
542 retry_limit->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
543 retry_limit->tlv.len =
544 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
545 sizeof(struct host_cmd_tlv));
546 retry_limit->limit = (u8)bss_cfg->retry_limit;
547 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
548 tlv += sizeof(struct host_cmd_tlv_retry_limit);
549 }
550 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
551 (bss_cfg->protocol & PROTOCOL_WPA2) ||
552 (bss_cfg->protocol & PROTOCOL_EAP))
553 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
554 else
555 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
556
557 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
558 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
559 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
560 auth_type->tlv.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
561 auth_type->tlv.len =
562 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
563 sizeof(struct host_cmd_tlv));
564 auth_type->auth_type = (u8)bss_cfg->auth_mode;
565 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
566 tlv += sizeof(struct host_cmd_tlv_auth_type);
567 }
568 if (bss_cfg->protocol) {
569 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
570 encrypt_protocol->tlv.type =
571 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
572 encrypt_protocol->tlv.len =
573 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
574 - sizeof(struct host_cmd_tlv));
575 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
576 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
577 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
578 }
579
580 if (bss_cfg->ht_cap.cap_info) {
581 htcap = (struct mwifiex_ie_types_htcap *)tlv;
582 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
583 htcap->header.len =
584 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
585 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
586 htcap->ht_cap.ampdu_params_info =
587 bss_cfg->ht_cap.ampdu_params_info;
588 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
589 sizeof(struct ieee80211_mcs_info));
590 htcap->ht_cap.extended_ht_cap_info =
591 bss_cfg->ht_cap.extended_ht_cap_info;
592 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
593 htcap->ht_cap.antenna_selection_info =
594 bss_cfg->ht_cap.antenna_selection_info;
595 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
596 tlv += sizeof(struct mwifiex_ie_types_htcap);
597 }
598
599 if (bss_cfg->wmm_info.qos_info != 0xFF) {
600 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
601 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
602 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
603 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
604 sizeof(wmm_cap->wmm_info));
605 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
606 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
607 }
608
609 if (bss_cfg->sta_ao_timer) {
610 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
611 ao_timer->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
612 ao_timer->tlv.len = cpu_to_le16(sizeof(*ao_timer) -
613 sizeof(struct host_cmd_tlv));
614 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
615 cmd_size += sizeof(*ao_timer);
616 tlv += sizeof(*ao_timer);
617 }
618
619 if (bss_cfg->ps_sta_ao_timer) {
620 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
621 ps_ao_timer->tlv.type = cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
622 ps_ao_timer->tlv.len = cpu_to_le16(sizeof(*ps_ao_timer) -
623 sizeof(struct host_cmd_tlv));
624 ps_ao_timer->sta_ao_timer =
625 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
626 cmd_size += sizeof(*ps_ao_timer);
627 tlv += sizeof(*ps_ao_timer);
628 }
629
630 *param_size = cmd_size;
631
632 return 0;
633 }
634
635 /* This function parses custom IEs from IE list and prepares command buffer */
636 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
637 {
638 struct mwifiex_ie_list *ap_ie = cmd_buf;
639 struct host_cmd_tlv *tlv_ie = (struct host_cmd_tlv *)tlv;
640
641 if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
642 return -1;
643
644 *ie_size += le16_to_cpu(ap_ie->len) + sizeof(struct host_cmd_tlv);
645
646 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
647 tlv_ie->len = ap_ie->len;
648 tlv += sizeof(struct host_cmd_tlv);
649
650 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
651
652 return 0;
653 }
654
655 /* Parse AP config structure and prepare TLV based command structure
656 * to be sent to FW for uAP configuration
657 */
658 static int
659 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
660 u32 type, void *cmd_buf)
661 {
662 u8 *tlv;
663 u16 cmd_size, param_size, ie_size;
664 struct host_cmd_ds_sys_config *sys_cfg;
665
666 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
667 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
668 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
669 sys_cfg->action = cpu_to_le16(cmd_action);
670 tlv = sys_cfg->tlv;
671
672 switch (type) {
673 case UAP_BSS_PARAMS_I:
674 param_size = cmd_size;
675 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
676 return -1;
677 cmd->size = cpu_to_le16(param_size);
678 break;
679 case UAP_CUSTOM_IE_I:
680 ie_size = cmd_size;
681 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
682 return -1;
683 cmd->size = cpu_to_le16(ie_size);
684 break;
685 default:
686 return -1;
687 }
688
689 return 0;
690 }
691
692 /* This function prepares AP specific deauth command with mac supplied in
693 * function parameter.
694 */
695 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
696 struct host_cmd_ds_command *cmd, u8 *mac)
697 {
698 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
699
700 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
701 memcpy(sta_deauth->mac, mac, ETH_ALEN);
702 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
703
704 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
705 S_DS_GEN);
706 return 0;
707 }
708
709 /* This function prepares the AP specific commands before sending them
710 * to the firmware.
711 * This is a generic function which calls specific command preparation
712 * routines based upon the command number.
713 */
714 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
715 u16 cmd_action, u32 type,
716 void *data_buf, void *cmd_buf)
717 {
718 struct host_cmd_ds_command *cmd = cmd_buf;
719
720 switch (cmd_no) {
721 case HostCmd_CMD_UAP_SYS_CONFIG:
722 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
723 return -1;
724 break;
725 case HostCmd_CMD_UAP_BSS_START:
726 case HostCmd_CMD_UAP_BSS_STOP:
727 cmd->command = cpu_to_le16(cmd_no);
728 cmd->size = cpu_to_le16(S_DS_GEN);
729 break;
730 case HostCmd_CMD_UAP_STA_DEAUTH:
731 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
732 return -1;
733 break;
734 default:
735 dev_err(priv->adapter->dev,
736 "PREP_CMD: unknown cmd %#x\n", cmd_no);
737 return -1;
738 }
739
740 return 0;
741 }
CRIS linux kernel tree