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rtlwifi: Remove redundant if clause
[deliverable/linux.git] / drivers / net / wireless / mwifiex / uap_cmd.c
CommitLineData
40d07030
AP		 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"
83c78da9 21#include "11ac.h"
40d07030 22
f752dcd5
AP		 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;
96893538 30 struct mwifiex_wep_key wep_key;
f752dcd5 31
6ddcd464
AP		 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
f752dcd5
AP		 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) {
0fd66be4 70 bss_config->protocol |= PROTOCOL_WPA2;
f752dcd5
AP		 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) {
0fd66be4 82 bss_config->protocol |= PROTOCOL_WPA2;
f752dcd5
AP		 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:
0fd66be4
AP		 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;
f752dcd5
AP		 102 break;
103 case WLAN_CIPHER_SUITE_CCMP:
0fd66be4
AP		 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 |=
f752dcd5
AP		 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:
96893538
AP		 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 }
f752dcd5
AP		 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
22281256
AP		 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
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));
c8258913 171 priv->ap_11n_enabled = 1;
22281256
AP		 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
83c78da9
YAP		 181/* This function updates 11ac related parameters from IE
182 * and sets them into bss_config structure.
183 */
184void 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 */
206void 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
a3c2c4f6
AP		 235/* This function finds supported rates IE from beacon parameter and sets
236 * these rates into bss_config structure.
237 */
238void
239mwifiex_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;
3a5b8a16 246 u8 rate_len = 0;
a3c2c4f6
AP		 247
248 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
3a5b8a16 249 if (rate_ie) {
a3c2c4f6 250 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
3a5b8a16
AP		 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);
a3c2c4f6
AP		 259
260 return;
261}
262
9b930eae
AP		 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 */
267void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
268{
f752dcd5
AP		 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;
9b930eae
AP		 274 config->rts_threshold = 0x7FFF;
275 config->frag_threshold = 0x7FFF;
276 config->retry_limit = 0x7F;
54428c57 277 config->qos_info = 0xFF;
9b930eae
AP		 278}
279
5d66cb62
AP		 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 */
284static void
285mwifiex_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;
6b21a69f
AK		 296 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
297 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
298 sizeof(struct mwifiex_ie_types_header));
5d66cb62
AP		 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;
6b21a69f
AK		 306 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
307 pwk_cipher->header.len =
5d66cb62 308 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
6b21a69f 309 sizeof(struct mwifiex_ie_types_header));
5d66cb62
AP		 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;
6b21a69f
AK		 318 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
319 pwk_cipher->header.len =
5d66cb62 320 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
6b21a69f 321 sizeof(struct mwifiex_ie_types_header));
5d66cb62
AP		 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;
6b21a69f
AK		 330 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
331 gwk_cipher->header.len =
5d66cb62 332 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
6b21a69f 333 sizeof(struct mwifiex_ie_types_header));
5d66cb62
AP		 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;
6b21a69f
AK		 341 passphrase->header.type =
342 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
343 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
5d66cb62
AP		 344 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
345 bss_cfg->wpa_cfg.length);
6b21a69f 346 cmd_size += sizeof(struct mwifiex_ie_types_header) +
5d66cb62 347 bss_cfg->wpa_cfg.length;
6b21a69f
AK		 348 tlv += sizeof(struct mwifiex_ie_types_header) +
349 bss_cfg->wpa_cfg.length;
5d66cb62
AP		 350 }
351
352 *param_size = cmd_size;
353 *tlv_buf = tlv;
354
355 return;
356}
357
54428c57
AP		 358/* This function parses WMM related parameters from cfg80211_ap_settings
359 * structure and updates bss_config structure.
360 */
361void
362mwifiex_set_wmm_params(struct mwifiex_private *priv,
363 struct mwifiex_uap_bss_param *bss_cfg,
364 struct cfg80211_ap_settings *params)
365{
366 const u8 *vendor_ie;
367 struct ieee_types_header *wmm_ie;
368 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
369
370 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
371 WLAN_OUI_TYPE_MICROSOFT_WMM,
372 params->beacon.tail,
373 params->beacon.tail_len);
374 if (vendor_ie) {
375 wmm_ie = (struct ieee_types_header *)vendor_ie;
376 memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
377 sizeof(bss_cfg->wmm_info));
378 priv->wmm_enabled = 1;
379 } else {
380 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
381 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
382 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
383 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
384 priv->wmm_enabled = 0;
385 }
386
387 bss_cfg->qos_info = 0x00;
388 return;
389}
96893538
AP		 390/* This function parses BSS related parameters from structure
391 * and prepares TLVs specific to WEP encryption.
392 * These TLVs are appended to command buffer.
393 */
394static void
395mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
396{
397 struct host_cmd_tlv_wep_key *wep_key;
398 u16 cmd_size = *param_size;
399 int i;
400 u8 *tlv = *tlv_buf;
401 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
402
403 for (i = 0; i < NUM_WEP_KEYS; i++) {
404 if (bss_cfg->wep_cfg[i].length &&
405 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
406 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
407 wep_key = (struct host_cmd_tlv_wep_key *)tlv;
6b21a69f
AK		 408 wep_key->header.type =
409 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
410 wep_key->header.len =
96893538
AP		 411 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
412 wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
413 wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
414 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
415 bss_cfg->wep_cfg[i].length);
6b21a69f 416 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
96893538 417 bss_cfg->wep_cfg[i].length;
6b21a69f 418 tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
96893538
AP		 419 bss_cfg->wep_cfg[i].length;
420 }
421 }
422
423 *param_size = cmd_size;
424 *tlv_buf = tlv;
425
426 return;
427}
428
e76268da
AP		 429/* This function parses BSS related parameters from structure
430 * and prepares TLVs. These TLVs are appended to command buffer.
431*/
432static int
433mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
4db16a18 434{
12190c5d
AP		 435 struct host_cmd_tlv_dtim_period *dtim_period;
436 struct host_cmd_tlv_beacon_period *beacon_period;
437 struct host_cmd_tlv_ssid *ssid;
7a1c9934 438 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
4db16a18 439 struct host_cmd_tlv_channel_band *chan_band;
9b930eae
AP		 440 struct host_cmd_tlv_frag_threshold *frag_threshold;
441 struct host_cmd_tlv_rts_threshold *rts_threshold;
442 struct host_cmd_tlv_retry_limit *retry_limit;
f752dcd5
AP		 443 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
444 struct host_cmd_tlv_auth_type *auth_type;
a3c2c4f6 445 struct host_cmd_tlv_rates *tlv_rates;
8b4509f6 446 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
22281256 447 struct mwifiex_ie_types_htcap *htcap;
54428c57 448 struct mwifiex_ie_types_wmmcap *wmm_cap;
4db16a18 449 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
a3c2c4f6 450 int i;
e76268da 451 u16 cmd_size = *param_size;
4db16a18 452
12190c5d
AP		 453 if (bss_cfg->ssid.ssid_len) {
454 ssid = (struct host_cmd_tlv_ssid *)tlv;
6b21a69f
AK		 455 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
456 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
12190c5d 457 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
6b21a69f 458 cmd_size += sizeof(struct mwifiex_ie_types_header) +
12190c5d 459 bss_cfg->ssid.ssid_len;
6b21a69f
AK		 460 tlv += sizeof(struct mwifiex_ie_types_header) +
461 bss_cfg->ssid.ssid_len;
7a1c9934
AP		 462
463 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
6b21a69f
AK		 464 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
465 bcast_ssid->header.len =
7a1c9934
AP		 466 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
467 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
468 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
469 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
12190c5d 470 }
a3c2c4f6
AP		 471 if (bss_cfg->rates[0]) {
472 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
6b21a69f 473 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
a3c2c4f6
AP		 474
475 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
476 i++)
477 tlv_rates->rates[i] = bss_cfg->rates[i];
478
6b21a69f 479 tlv_rates->header.len = cpu_to_le16(i);
a3c2c4f6
AP		 480 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
481 tlv += sizeof(struct host_cmd_tlv_rates) + i;
482 }
483 if (bss_cfg->channel &&
484 ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
485 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
486 (bss_cfg->band_cfg == BAND_CONFIG_A &&
487 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
4db16a18 488 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
6b21a69f
AK		 489 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
490 chan_band->header.len =
4db16a18 491 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
6b21a69f 492 sizeof(struct mwifiex_ie_types_header));
4db16a18
AP		 493 chan_band->band_config = bss_cfg->band_cfg;
494 chan_band->channel = bss_cfg->channel;
495 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
496 tlv += sizeof(struct host_cmd_tlv_channel_band);
497 }
12190c5d
AP		 498 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
499 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
500 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
6b21a69f 501 beacon_period->header.type =
12190c5d 502 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
6b21a69f 503 beacon_period->header.len =
12190c5d 504 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
6b21a69f 505 sizeof(struct mwifiex_ie_types_header));
12190c5d
AP		 506 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
507 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
508 tlv += sizeof(struct host_cmd_tlv_beacon_period);
509 }
510 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
511 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
512 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
6b21a69f
AK		 513 dtim_period->header.type =
514 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
515 dtim_period->header.len =
12190c5d 516 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
6b21a69f 517 sizeof(struct mwifiex_ie_types_header));
12190c5d
AP		 518 dtim_period->period = bss_cfg->dtim_period;
519 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
520 tlv += sizeof(struct host_cmd_tlv_dtim_period);
521 }
9b930eae
AP		 522 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
523 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
6b21a69f 524 rts_threshold->header.type =
9b930eae 525 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
6b21a69f 526 rts_threshold->header.len =
9b930eae 527 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
6b21a69f 528 sizeof(struct mwifiex_ie_types_header));
9b930eae
AP		 529 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
530 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
531 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
532 }
533 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
534 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
535 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
6b21a69f 536 frag_threshold->header.type =
9b930eae 537 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
6b21a69f 538 frag_threshold->header.len =
9b930eae 539 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
6b21a69f 540 sizeof(struct mwifiex_ie_types_header));
9b930eae
AP		 541 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
542 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
543 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
544 }
545 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
546 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
6b21a69f
AK		 547 retry_limit->header.type =
548 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
549 retry_limit->header.len =
9b930eae 550 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
6b21a69f 551 sizeof(struct mwifiex_ie_types_header));
9b930eae
AP		 552 retry_limit->limit = (u8)bss_cfg->retry_limit;
553 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
554 tlv += sizeof(struct host_cmd_tlv_retry_limit);
555 }
f752dcd5
AP		 556 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
557 (bss_cfg->protocol & PROTOCOL_WPA2) ||
5d66cb62
AP		 558 (bss_cfg->protocol & PROTOCOL_EAP))
559 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
96893538
AP		 560 else
561 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
f752dcd5 562
f752dcd5
AP		 563 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
564 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
565 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
6b21a69f
AK		 566 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
567 auth_type->header.len =
f752dcd5 568 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
6b21a69f 569 sizeof(struct mwifiex_ie_types_header));
f752dcd5
AP		 570 auth_type->auth_type = (u8)bss_cfg->auth_mode;
571 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
572 tlv += sizeof(struct host_cmd_tlv_auth_type);
573 }
574 if (bss_cfg->protocol) {
575 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
6b21a69f 576 encrypt_protocol->header.type =
f752dcd5 577 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
6b21a69f 578 encrypt_protocol->header.len =
f752dcd5 579 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
6b21a69f 580 - sizeof(struct mwifiex_ie_types_header));
f752dcd5
AP		 581 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
582 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
583 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
584 }
4db16a18 585
22281256
AP		 586 if (bss_cfg->ht_cap.cap_info) {
587 htcap = (struct mwifiex_ie_types_htcap *)tlv;
588 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
589 htcap->header.len =
590 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
591 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
592 htcap->ht_cap.ampdu_params_info =
593 bss_cfg->ht_cap.ampdu_params_info;
594 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
595 sizeof(struct ieee80211_mcs_info));
596 htcap->ht_cap.extended_ht_cap_info =
597 bss_cfg->ht_cap.extended_ht_cap_info;
598 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
599 htcap->ht_cap.antenna_selection_info =
600 bss_cfg->ht_cap.antenna_selection_info;
601 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
602 tlv += sizeof(struct mwifiex_ie_types_htcap);
603 }
604
54428c57
AP		 605 if (bss_cfg->wmm_info.qos_info != 0xFF) {
606 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
607 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
608 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
609 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
610 sizeof(wmm_cap->wmm_info));
611 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
612 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
613 }
614
8b4509f6
KG		 615 if (bss_cfg->sta_ao_timer) {
616 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
6b21a69f
AK		 617 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
618 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
619 sizeof(struct mwifiex_ie_types_header));
8b4509f6
KG		 620 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
621 cmd_size += sizeof(*ao_timer);
622 tlv += sizeof(*ao_timer);
623 }
624
625 if (bss_cfg->ps_sta_ao_timer) {
626 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
6b21a69f
AK		 627 ps_ao_timer->header.type =
628 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
629 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
630 sizeof(struct mwifiex_ie_types_header));
8b4509f6
KG		 631 ps_ao_timer->sta_ao_timer =
632 cpu_to_le32(bss_cfg->ps_sta_ao_timer);
633 cmd_size += sizeof(*ps_ao_timer);
634 tlv += sizeof(*ps_ao_timer);
635 }
636
e76268da
AP		 637 *param_size = cmd_size;
638
639 return 0;
640}
641
ede98bfa
AP		 642/* This function parses custom IEs from IE list and prepares command buffer */
643static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
644{
645 struct mwifiex_ie_list *ap_ie = cmd_buf;
6b21a69f 646 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
ede98bfa
AP		 647
648 if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
649 return -1;
650
6b21a69f
AK		 651 *ie_size += le16_to_cpu(ap_ie->len) +
652 sizeof(struct mwifiex_ie_types_header);
ede98bfa
AP		 653
654 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
655 tlv_ie->len = ap_ie->len;
6b21a69f 656 tlv += sizeof(struct mwifiex_ie_types_header);
ede98bfa
AP		 657
658 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
659
660 return 0;
661}
662
e76268da
AP		 663/* Parse AP config structure and prepare TLV based command structure
664 * to be sent to FW for uAP configuration
665 */
666static int
667mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
668 u32 type, void *cmd_buf)
669{
670 u8 *tlv;
ede98bfa 671 u16 cmd_size, param_size, ie_size;
e76268da
AP		 672 struct host_cmd_ds_sys_config *sys_cfg;
673
674 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
675 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
676 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
677 sys_cfg->action = cpu_to_le16(cmd_action);
678 tlv = sys_cfg->tlv;
679
680 switch (type) {
681 case UAP_BSS_PARAMS_I:
682 param_size = cmd_size;
683 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
684 return -1;
685 cmd->size = cpu_to_le16(param_size);
686 break;
ede98bfa
AP		 687 case UAP_CUSTOM_IE_I:
688 ie_size = cmd_size;
689 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
690 return -1;
691 cmd->size = cpu_to_le16(ie_size);
692 break;
e76268da
AP		 693 default:
694 return -1;
695 }
696
4db16a18
AP		 697 return 0;
698}
699
0f9e9b8b
AP		 700/* This function prepares AP specific deauth command with mac supplied in
701 * function parameter.
702 */
703static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
704 struct host_cmd_ds_command *cmd, u8 *mac)
705{
706 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
707
708 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
709 memcpy(sta_deauth->mac, mac, ETH_ALEN);
710 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
711
712 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
713 S_DS_GEN);
714 return 0;
715}
716
40d07030
AP		 717/* This function prepares the AP specific commands before sending them
718 * to the firmware.
719 * This is a generic function which calls specific command preparation
720 * routines based upon the command number.
721 */
722int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
e76268da 723 u16 cmd_action, u32 type,
40d07030
AP		 724 void *data_buf, void *cmd_buf)
725{
726 struct host_cmd_ds_command *cmd = cmd_buf;
727
728 switch (cmd_no) {
4db16a18 729 case HostCmd_CMD_UAP_SYS_CONFIG:
e76268da 730 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
4db16a18
AP		 731 return -1;
732 break;
40d07030
AP		 733 case HostCmd_CMD_UAP_BSS_START:
734 case HostCmd_CMD_UAP_BSS_STOP:
735 cmd->command = cpu_to_le16(cmd_no);
736 cmd->size = cpu_to_le16(S_DS_GEN);
737 break;
0f9e9b8b
AP		 738 case HostCmd_CMD_UAP_STA_DEAUTH:
739 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
740 return -1;
741 break;
40d07030
AP		 742 default:
743 dev_err(priv->adapter->dev,
744 "PREP_CMD: unknown cmd %#x\n", cmd_no);
745 return -1;
746 }
747
748 return 0;
749}
Linux kernel - Deliverables
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