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Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / drivers / net / wireless / marvell / mwifiex / uap_cmd.c
blob18e89777b78412cd0e431ab292fce8df50753855
1 /*
2 * NXP Wireless LAN device driver: AP specific command handling
3 *
4 * Copyright 2011-2020 NXP
5 *
6 * This software file (the "File") is distributed by NXP
7 * under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "main.h"
21 #include "11ac.h"
22 #include "11n.h"
23
24 /* This function parses security related parameters from cfg80211_ap_settings
25 * and sets into FW understandable bss_config structure.
26 */
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 break;
112 default:
113 break;
114 }
115 }
116
117 switch (params->crypto.cipher_group) {
118 case WLAN_CIPHER_SUITE_WEP40:
119 case WLAN_CIPHER_SUITE_WEP104:
120 if (priv->sec_info.wep_enabled) {
121 bss_config->protocol = PROTOCOL_STATIC_WEP;
122 bss_config->key_mgmt = KEY_MGMT_NONE;
123 bss_config->wpa_cfg.length = 0;
124
125 for (i = 0; i < NUM_WEP_KEYS; i++) {
126 wep_key = priv->wep_key[i];
127 bss_config->wep_cfg[i].key_index = i;
128
129 if (priv->wep_key_curr_index == i)
130 bss_config->wep_cfg[i].is_default = 1;
131 else
132 bss_config->wep_cfg[i].is_default = 0;
133
134 bss_config->wep_cfg[i].length =
135 wep_key.key_length;
136 memcpy(&bss_config->wep_cfg[i].key,
137 &wep_key.key_material,
138 wep_key.key_length);
139 }
140 }
141 break;
142 case WLAN_CIPHER_SUITE_TKIP:
143 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
144 break;
145 case WLAN_CIPHER_SUITE_CCMP:
146 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
147 break;
148 default:
149 break;
150 }
151
152 return 0;
153 }
154
155 /* This function updates 11n related parameters from IE and sets them into
156 * bss_config structure.
157 */
158 void
159 mwifiex_set_ht_params(struct mwifiex_private *priv,
160 struct mwifiex_uap_bss_param *bss_cfg,
161 struct cfg80211_ap_settings *params)
162 {
163 const u8 *ht_ie;
164
165 if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
166 return;
167
168 ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
169 params->beacon.tail_len);
170 if (ht_ie) {
171 memcpy(&bss_cfg->ht_cap, ht_ie + 2,
172 sizeof(struct ieee80211_ht_cap));
173 priv->ap_11n_enabled = 1;
174 } else {
175 memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap));
176 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
177 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
178 }
179
180 return;
181 }
182
183 /* This function updates 11ac related parameters from IE
184 * and sets them into bss_config structure.
185 */
186 void mwifiex_set_vht_params(struct mwifiex_private *priv,
187 struct mwifiex_uap_bss_param *bss_cfg,
188 struct cfg80211_ap_settings *params)
189 {
190 const u8 *vht_ie;
191
192 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
193 params->beacon.tail_len);
194 if (vht_ie) {
195 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
196 sizeof(struct ieee80211_vht_cap));
197 priv->ap_11ac_enabled = 1;
198 } else {
199 priv->ap_11ac_enabled = 0;
200 }
201
202 return;
203 }
204
205 /* This function updates 11ac related parameters from IE
206 * and sets them into bss_config structure.
207 */
208 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
209 struct mwifiex_uap_bss_param *bss_cfg,
210 struct cfg80211_ap_settings *params)
211 {
212 const u8 *tpc_ie;
213
214 tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
215 params->beacon.tail_len);
216 if (tpc_ie)
217 bss_cfg->power_constraint = *(tpc_ie + 2);
218 else
219 bss_cfg->power_constraint = 0;
220 }
221
222 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
223 * Otherwise disable VHT.
224 */
225 void mwifiex_set_vht_width(struct mwifiex_private *priv,
226 enum nl80211_chan_width width,
227 bool ap_11ac_enable)
228 {
229 struct mwifiex_adapter *adapter = priv->adapter;
230 struct mwifiex_11ac_vht_cfg vht_cfg;
231
232 vht_cfg.band_config = VHT_CFG_5GHZ;
233 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
234
235 if (!ap_11ac_enable) {
236 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
237 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
238 } else {
239 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
240 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
241 }
242
243 vht_cfg.misc_config = VHT_CAP_UAP_ONLY;
244
245 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
246 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
247
248 mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
249 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
250
251 return;
252 }
253
254 /* This function finds supported rates IE from beacon parameter and sets
255 * these rates into bss_config structure.
256 */
257 void
258 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
259 struct cfg80211_ap_settings *params)
260 {
261 struct ieee_types_header *rate_ie;
262 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
263 const u8 *var_pos = params->beacon.head + var_offset;
264 int len = params->beacon.head_len - var_offset;
265 u8 rate_len = 0;
266
267 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
268 if (rate_ie) {
269 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES)
270 return;
271 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
272 rate_len = rate_ie->len;
273 }
274
275 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
276 params->beacon.tail,
277 params->beacon.tail_len);
278 if (rate_ie) {
279 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len)
280 return;
281 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
282 }
283
284 return;
285 }
286
287 /* This function initializes some of mwifiex_uap_bss_param variables.
288 * This helps FW in ignoring invalid values. These values may or may not
289 * be get updated to valid ones at later stage.
290 */
291 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
292 {
293 config->bcast_ssid_ctl = 0x7F;
294 config->radio_ctl = 0x7F;
295 config->dtim_period = 0x7F;
296 config->beacon_period = 0x7FFF;
297 config->auth_mode = 0x7F;
298 config->rts_threshold = 0x7FFF;
299 config->frag_threshold = 0x7FFF;
300 config->retry_limit = 0x7F;
301 config->qos_info = 0xFF;
302 }
303
304 /* This function parses BSS related parameters from structure
305 * and prepares TLVs specific to WPA/WPA2 security.
306 * These TLVs are appended to command buffer.
307 */
308 static void
309 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
310 {
311 struct host_cmd_tlv_pwk_cipher *pwk_cipher;
312 struct host_cmd_tlv_gwk_cipher *gwk_cipher;
313 struct host_cmd_tlv_passphrase *passphrase;
314 struct host_cmd_tlv_akmp *tlv_akmp;
315 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
316 u16 cmd_size = *param_size;
317 u8 *tlv = *tlv_buf;
318
319 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
320 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
321 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
322 sizeof(struct mwifiex_ie_types_header));
323 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
324 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
325 cmd_size += sizeof(struct host_cmd_tlv_akmp);
326 tlv += sizeof(struct host_cmd_tlv_akmp);
327
328 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
329 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
330 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
331 pwk_cipher->header.len =
332 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
333 sizeof(struct mwifiex_ie_types_header));
334 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
335 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
336 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
337 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
338 }
339
340 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
341 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
342 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
343 pwk_cipher->header.len =
344 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
345 sizeof(struct mwifiex_ie_types_header));
346 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
347 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
348 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
349 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
350 }
351
352 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
353 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
354 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
355 gwk_cipher->header.len =
356 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
357 sizeof(struct mwifiex_ie_types_header));
358 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
359 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
360 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
361 }
362
363 if (bss_cfg->wpa_cfg.length) {
364 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
365 passphrase->header.type =
366 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
367 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
368 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
369 bss_cfg->wpa_cfg.length);
370 cmd_size += sizeof(struct mwifiex_ie_types_header) +
371 bss_cfg->wpa_cfg.length;
372 tlv += sizeof(struct mwifiex_ie_types_header) +
373 bss_cfg->wpa_cfg.length;
374 }
375
376 *param_size = cmd_size;
377 *tlv_buf = tlv;
378
379 return;
380 }
381
382 /* This function parses WMM related parameters from cfg80211_ap_settings
383 * structure and updates bss_config structure.
384 */
385 void
386 mwifiex_set_wmm_params(struct mwifiex_private *priv,
387 struct mwifiex_uap_bss_param *bss_cfg,
388 struct cfg80211_ap_settings *params)
389 {
390 const u8 *vendor_ie;
391 const u8 *wmm_ie;
392 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
393
394 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
395 WLAN_OUI_TYPE_MICROSOFT_WMM,
396 params->beacon.tail,
397 params->beacon.tail_len);
398 if (vendor_ie) {
399 wmm_ie = vendor_ie;
400 if (*(wmm_ie + 1) > sizeof(struct mwifiex_types_wmm_info))
401 return;
402 memcpy(&bss_cfg->wmm_info, wmm_ie +
403 sizeof(struct ieee_types_header), *(wmm_ie + 1));
404 priv->wmm_enabled = 1;
405 } else {
406 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
407 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
408 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
409 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
410 priv->wmm_enabled = 0;
411 }
412
413 bss_cfg->qos_info = 0x00;
414 return;
415 }
416 /* This function parses BSS related parameters from structure
417 * and prepares TLVs specific to WEP encryption.
418 * These TLVs are appended to command buffer.
419 */
420 static void
421 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
422 {
423 struct host_cmd_tlv_wep_key *wep_key;
424 u16 cmd_size = *param_size;
425 int i;
426 u8 *tlv = *tlv_buf;
427 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
428
429 for (i = 0; i < NUM_WEP_KEYS; i++) {
430 if (bss_cfg->wep_cfg[i].length &&
431 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
432 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
433 wep_key = (struct host_cmd_tlv_wep_key *)tlv;
434 wep_key->header.type =
435 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
436 wep_key->header.len =
437 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
438 wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
439 wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
440 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
441 bss_cfg->wep_cfg[i].length);
442 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
443 bss_cfg->wep_cfg[i].length;
444 tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
445 bss_cfg->wep_cfg[i].length;
446 }
447 }
448
449 *param_size = cmd_size;
450 *tlv_buf = tlv;
451
452 return;
453 }
454
455 /* This function enable 11D if userspace set the country IE.
456 */
457 void mwifiex_config_uap_11d(struct mwifiex_private *priv,
458 struct cfg80211_beacon_data *beacon_data)
459 {
460 enum state_11d_t state_11d;
461 const u8 *country_ie;
462
463 country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail,
464 beacon_data->tail_len);
465 if (country_ie) {
466 /* Send cmd to FW to enable 11D function */
467 state_11d = ENABLE_11D;
468 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
469 HostCmd_ACT_GEN_SET, DOT11D_I,
470 &state_11d, true)) {
471 mwifiex_dbg(priv->adapter, ERROR,
472 "11D: failed to enable 11D\n");
473 }
474 }
475 }
476
477 /* This function parses BSS related parameters from structure
478 * and prepares TLVs. These TLVs are appended to command buffer.
479 */
480 static int
481 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
482 {
483 struct host_cmd_tlv_dtim_period *dtim_period;
484 struct host_cmd_tlv_beacon_period *beacon_period;
485 struct host_cmd_tlv_ssid *ssid;
486 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
487 struct host_cmd_tlv_channel_band *chan_band;
488 struct host_cmd_tlv_frag_threshold *frag_threshold;
489 struct host_cmd_tlv_rts_threshold *rts_threshold;
490 struct host_cmd_tlv_retry_limit *retry_limit;
491 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
492 struct host_cmd_tlv_auth_type *auth_type;
493 struct host_cmd_tlv_rates *tlv_rates;
494 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
495 struct host_cmd_tlv_power_constraint *pwr_ct;
496 struct mwifiex_ie_types_htcap *htcap;
497 struct mwifiex_ie_types_wmmcap *wmm_cap;
498 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
499 int i;
500 u16 cmd_size = *param_size;
501
502 if (bss_cfg->ssid.ssid_len) {
503 ssid = (struct host_cmd_tlv_ssid *)tlv;
504 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
505 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
506 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
507 cmd_size += sizeof(struct mwifiex_ie_types_header) +
508 bss_cfg->ssid.ssid_len;
509 tlv += sizeof(struct mwifiex_ie_types_header) +
510 bss_cfg->ssid.ssid_len;
511
512 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
513 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
514 bcast_ssid->header.len =
515 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
516 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
517 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
518 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
519 }
520 if (bss_cfg->rates[0]) {
521 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
522 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
523
524 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
525 i++)
526 tlv_rates->rates[i] = bss_cfg->rates[i];
527
528 tlv_rates->header.len = cpu_to_le16(i);
529 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
530 tlv += sizeof(struct host_cmd_tlv_rates) + i;
531 }
532 if (bss_cfg->channel &&
533 (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
534 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
535 ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
536 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
537 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
538 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
539 chan_band->header.len =
540 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
541 sizeof(struct mwifiex_ie_types_header));
542 chan_band->band_config = bss_cfg->band_cfg;
543 chan_band->channel = bss_cfg->channel;
544 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
545 tlv += sizeof(struct host_cmd_tlv_channel_band);
546 }
547 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
548 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
549 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
550 beacon_period->header.type =
551 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
552 beacon_period->header.len =
553 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
554 sizeof(struct mwifiex_ie_types_header));
555 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
556 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
557 tlv += sizeof(struct host_cmd_tlv_beacon_period);
558 }
559 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
560 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
561 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
562 dtim_period->header.type =
563 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
564 dtim_period->header.len =
565 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
566 sizeof(struct mwifiex_ie_types_header));
567 dtim_period->period = bss_cfg->dtim_period;
568 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
569 tlv += sizeof(struct host_cmd_tlv_dtim_period);
570 }
571 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
572 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
573 rts_threshold->header.type =
574 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
575 rts_threshold->header.len =
576 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
577 sizeof(struct mwifiex_ie_types_header));
578 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
579 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
580 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
581 }
582 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
583 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
584 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
585 frag_threshold->header.type =
586 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
587 frag_threshold->header.len =
588 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
589 sizeof(struct mwifiex_ie_types_header));
590 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
591 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
592 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
593 }
594 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
595 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
596 retry_limit->header.type =
597 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
598 retry_limit->header.len =
599 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
600 sizeof(struct mwifiex_ie_types_header));
601 retry_limit->limit = (u8)bss_cfg->retry_limit;
602 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
603 tlv += sizeof(struct host_cmd_tlv_retry_limit);
604 }
605 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
606 (bss_cfg->protocol & PROTOCOL_WPA2) ||
607 (bss_cfg->protocol & PROTOCOL_EAP))
608 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
609 else
610 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
611
612 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
613 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
614 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
615 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
616 auth_type->header.len =
617 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
618 sizeof(struct mwifiex_ie_types_header));
619 auth_type->auth_type = (u8)bss_cfg->auth_mode;
620 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
621 tlv += sizeof(struct host_cmd_tlv_auth_type);
622 }
623 if (bss_cfg->protocol) {
624 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
625 encrypt_protocol->header.type =
626 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
627 encrypt_protocol->header.len =
628 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
629 - sizeof(struct mwifiex_ie_types_header));
630 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
631 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
632 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
633 }
634
635 if (bss_cfg->ht_cap.cap_info) {
636 htcap = (struct mwifiex_ie_types_htcap *)tlv;
637 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
638 htcap->header.len =
639 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
640 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
641 htcap->ht_cap.ampdu_params_info =
642 bss_cfg->ht_cap.ampdu_params_info;
643 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
644 sizeof(struct ieee80211_mcs_info));
645 htcap->ht_cap.extended_ht_cap_info =
646 bss_cfg->ht_cap.extended_ht_cap_info;
647 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
648 htcap->ht_cap.antenna_selection_info =
649 bss_cfg->ht_cap.antenna_selection_info;
650 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
651 tlv += sizeof(struct mwifiex_ie_types_htcap);
652 }
653
654 if (bss_cfg->wmm_info.qos_info != 0xFF) {
655 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
656 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
657 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
658 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
659 sizeof(wmm_cap->wmm_info));
660 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
661 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
662 }
663
664 if (bss_cfg->sta_ao_timer) {
665 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
666 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
667 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
668 sizeof(struct mwifiex_ie_types_header));
669 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
670 cmd_size += sizeof(*ao_timer);
671 tlv += sizeof(*ao_timer);
672 }
673
674 if (bss_cfg->power_constraint) {
675 pwr_ct = (void *)tlv;
676 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
677 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
678 pwr_ct->constraint = bss_cfg->power_constraint;
679 cmd_size += sizeof(*pwr_ct);
680 tlv += sizeof(*pwr_ct);
681 }
682
683 if (bss_cfg->ps_sta_ao_timer) {
684 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
685 ps_ao_timer->header.type =
686 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
687 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
688 sizeof(struct mwifiex_ie_types_header));
689 ps_ao_timer->sta_ao_timer =
690 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
691 cmd_size += sizeof(*ps_ao_timer);
692 tlv += sizeof(*ps_ao_timer);
693 }
694
695 *param_size = cmd_size;
696
697 return 0;
698 }
699
700 /* This function parses custom IEs from IE list and prepares command buffer */
701 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
702 {
703 struct mwifiex_ie_list *ap_ie = cmd_buf;
704 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
705
706 if (!ap_ie || !ap_ie->len)
707 return -1;
708
709 *ie_size += le16_to_cpu(ap_ie->len) +
710 sizeof(struct mwifiex_ie_types_header);
711
712 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
713 tlv_ie->len = ap_ie->len;
714 tlv += sizeof(struct mwifiex_ie_types_header);
715
716 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
717
718 return 0;
719 }
720
721 /* Parse AP config structure and prepare TLV based command structure
722 * to be sent to FW for uAP configuration
723 */
724 static int
725 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
726 u32 type, void *cmd_buf)
727 {
728 u8 *tlv;
729 u16 cmd_size, param_size, ie_size;
730 struct host_cmd_ds_sys_config *sys_cfg;
731
732 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
733 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
734 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
735 sys_cfg->action = cpu_to_le16(cmd_action);
736 tlv = sys_cfg->tlv;
737
738 switch (type) {
739 case UAP_BSS_PARAMS_I:
740 param_size = cmd_size;
741 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
742 return -1;
743 cmd->size = cpu_to_le16(param_size);
744 break;
745 case UAP_CUSTOM_IE_I:
746 ie_size = cmd_size;
747 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
748 return -1;
749 cmd->size = cpu_to_le16(ie_size);
750 break;
751 default:
752 return -1;
753 }
754
755 return 0;
756 }
757
758 /* This function prepares AP specific deauth command with mac supplied in
759 * function parameter.
760 */
761 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
762 struct host_cmd_ds_command *cmd, u8 *mac)
763 {
764 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
765
766 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
767 memcpy(sta_deauth->mac, mac, ETH_ALEN);
768 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
769
770 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
771 S_DS_GEN);
772 return 0;
773 }
774
775 /* This function prepares the AP specific commands before sending them
776 * to the firmware.
777 * This is a generic function which calls specific command preparation
778 * routines based upon the command number.
779 */
780 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
781 u16 cmd_action, u32 type,
782 void *data_buf, void *cmd_buf)
783 {
784 struct host_cmd_ds_command *cmd = cmd_buf;
785
786 switch (cmd_no) {
787 case HostCmd_CMD_UAP_SYS_CONFIG:
788 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
789 return -1;
790 break;
791 case HostCmd_CMD_UAP_BSS_START:
792 case HostCmd_CMD_UAP_BSS_STOP:
793 case HOST_CMD_APCMD_SYS_RESET:
794 case HOST_CMD_APCMD_STA_LIST:
795 cmd->command = cpu_to_le16(cmd_no);
796 cmd->size = cpu_to_le16(S_DS_GEN);
797 break;
798 case HostCmd_CMD_UAP_STA_DEAUTH:
799 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
800 return -1;
801 break;
802 case HostCmd_CMD_CHAN_REPORT_REQUEST:
803 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
804 data_buf))
805 return -1;
806 break;
807 default:
808 mwifiex_dbg(priv->adapter, ERROR,
809 "PREP_CMD: unknown cmd %#x\n", cmd_no);
810 return -1;
811 }
812
813 return 0;
814 }
815
816 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
817 struct mwifiex_uap_bss_param *bss_cfg,
818 struct cfg80211_chan_def chandef)
819 {
820 u8 config_bands = 0, old_bands = priv->adapter->config_bands;
821
822 priv->bss_chandef = chandef;
823
824 bss_cfg->channel = ieee80211_frequency_to_channel(
825 chandef.chan->center_freq);
826
827 /* Set appropriate bands */
828 if (chandef.chan->band == NL80211_BAND_2GHZ) {
829 bss_cfg->band_cfg = BAND_CONFIG_BG;
830 config_bands = BAND_B | BAND_G;
831
832 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
833 config_bands |= BAND_GN;
834 } else {
835 bss_cfg->band_cfg = BAND_CONFIG_A;
836 config_bands = BAND_A;
837
838 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
839 config_bands |= BAND_AN;
840
841 if (chandef.width > NL80211_CHAN_WIDTH_40)
842 config_bands |= BAND_AAC;
843 }
844
845 switch (chandef.width) {
846 case NL80211_CHAN_WIDTH_5:
847 case NL80211_CHAN_WIDTH_10:
848 case NL80211_CHAN_WIDTH_20_NOHT:
849 case NL80211_CHAN_WIDTH_20:
850 break;
851 case NL80211_CHAN_WIDTH_40:
852 if (chandef.center_freq1 < chandef.chan->center_freq)
853 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
854 else
855 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
856 break;
857 case NL80211_CHAN_WIDTH_80:
858 case NL80211_CHAN_WIDTH_80P80:
859 case NL80211_CHAN_WIDTH_160:
860 bss_cfg->band_cfg |=
861 mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
862 break;
863 default:
864 mwifiex_dbg(priv->adapter,
865 WARN, "Unknown channel width: %d\n",
866 chandef.width);
867 break;
868 }
869
870 priv->adapter->config_bands = config_bands;
871
872 if (old_bands != config_bands) {
873 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
874 mwifiex_dnld_txpwr_table(priv);
875 }
876 }
877
878 int mwifiex_config_start_uap(struct mwifiex_private *priv,
879 struct mwifiex_uap_bss_param *bss_cfg)
880 {
881 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
882 HostCmd_ACT_GEN_SET,
883 UAP_BSS_PARAMS_I, bss_cfg, true)) {
884 mwifiex_dbg(priv->adapter, ERROR,
885 "Failed to set AP configuration\n");
886 return -1;
887 }
888
889 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
890 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
891 mwifiex_dbg(priv->adapter, ERROR,
892 "Failed to start the BSS\n");
893 return -1;
894 }
895
896 if (priv->sec_info.wep_enabled)
897 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
898 else
899 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
900
901 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
902 HostCmd_ACT_GEN_SET, 0,
903 &priv->curr_pkt_filter, true))
904 return -1;
905
906 return 0;
907 }
Linux with added FPC-III support