projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'akpm' (Andrew's patch-bomb)
[deliverable/linux.git] / drivers / net / wireless / mwifiex / uap_cmd.c
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
22 /* This function parses security related parameters from cfg80211_ap_settings
23 * and sets into FW understandable bss_config structure.
24 */
25 int mwifiex_set_secure_params(struct mwifiex_private *priv,
26 struct mwifiex_uap_bss_param *bss_config,
27 struct cfg80211_ap_settings *params) {
28 int i;
29 struct mwifiex_wep_key wep_key;
30
31 if (!params->privacy) {
32 bss_config->protocol = PROTOCOL_NO_SECURITY;
33 bss_config->key_mgmt = KEY_MGMT_NONE;
34 bss_config->wpa_cfg.length = 0;
35 priv->sec_info.wep_enabled = 0;
36 priv->sec_info.wpa_enabled = 0;
37 priv->sec_info.wpa2_enabled = 0;
38
39 return 0;
40 }
41
42 switch (params->auth_type) {
43 case NL80211_AUTHTYPE_OPEN_SYSTEM:
44 bss_config->auth_mode = WLAN_AUTH_OPEN;
45 break;
46 case NL80211_AUTHTYPE_SHARED_KEY:
47 bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
48 break;
49 case NL80211_AUTHTYPE_NETWORK_EAP:
50 bss_config->auth_mode = WLAN_AUTH_LEAP;
51 break;
52 default:
53 bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
54 break;
55 }
56
57 bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
58
59 for (i = 0; i < params->crypto.n_akm_suites; i++) {
60 switch (params->crypto.akm_suites[i]) {
61 case WLAN_AKM_SUITE_8021X:
62 if (params->crypto.wpa_versions &
63 NL80211_WPA_VERSION_1) {
64 bss_config->protocol = PROTOCOL_WPA;
65 bss_config->key_mgmt = KEY_MGMT_EAP;
66 }
67 if (params->crypto.wpa_versions &
68 NL80211_WPA_VERSION_2) {
69 bss_config->protocol |= PROTOCOL_WPA2;
70 bss_config->key_mgmt = KEY_MGMT_EAP;
71 }
72 break;
73 case WLAN_AKM_SUITE_PSK:
74 if (params->crypto.wpa_versions &
75 NL80211_WPA_VERSION_1) {
76 bss_config->protocol = PROTOCOL_WPA;
77 bss_config->key_mgmt = KEY_MGMT_PSK;
78 }
79 if (params->crypto.wpa_versions &
80 NL80211_WPA_VERSION_2) {
81 bss_config->protocol |= PROTOCOL_WPA2;
82 bss_config->key_mgmt = KEY_MGMT_PSK;
83 }
84 break;
85 default:
86 break;
87 }
88 }
89 for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
90 switch (params->crypto.ciphers_pairwise[i]) {
91 case WLAN_CIPHER_SUITE_WEP40:
92 case WLAN_CIPHER_SUITE_WEP104:
93 break;
94 case WLAN_CIPHER_SUITE_TKIP:
95 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
96 bss_config->wpa_cfg.pairwise_cipher_wpa |=
97 CIPHER_TKIP;
98 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
99 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
100 CIPHER_TKIP;
101 break;
102 case WLAN_CIPHER_SUITE_CCMP:
103 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
104 bss_config->wpa_cfg.pairwise_cipher_wpa |=
105 CIPHER_AES_CCMP;
106 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
107 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
108 CIPHER_AES_CCMP;
109 default:
110 break;
111 }
112 }
113
114 switch (params->crypto.cipher_group) {
115 case WLAN_CIPHER_SUITE_WEP40:
116 case WLAN_CIPHER_SUITE_WEP104:
117 if (priv->sec_info.wep_enabled) {
118 bss_config->protocol = PROTOCOL_STATIC_WEP;
119 bss_config->key_mgmt = KEY_MGMT_NONE;
120 bss_config->wpa_cfg.length = 0;
121
122 for (i = 0; i < NUM_WEP_KEYS; i++) {
123 wep_key = priv->wep_key[i];
124 bss_config->wep_cfg[i].key_index = i;
125
126 if (priv->wep_key_curr_index == i)
127 bss_config->wep_cfg[i].is_default = 1;
128 else
129 bss_config->wep_cfg[i].is_default = 0;
130
131 bss_config->wep_cfg[i].length =
132 wep_key.key_length;
133 memcpy(&bss_config->wep_cfg[i].key,
134 &wep_key.key_material,
135 wep_key.key_length);
136 }
137 }
138 break;
139 case WLAN_CIPHER_SUITE_TKIP:
140 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
141 break;
142 case WLAN_CIPHER_SUITE_CCMP:
143 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
144 break;
145 default:
146 break;
147 }
148
149 return 0;
150 }
151
152 /* This function updates 11n related parameters from IE and sets them into
153 * bss_config structure.
154 */
155 void
156 mwifiex_set_ht_params(struct mwifiex_private *priv,
157 struct mwifiex_uap_bss_param *bss_cfg,
158 struct cfg80211_ap_settings *params)
159 {
160 const u8 *ht_ie;
161
162 if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
163 return;
164
165 ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
166 params->beacon.tail_len);
167 if (ht_ie) {
168 memcpy(&bss_cfg->ht_cap, ht_ie + 2,
169 sizeof(struct ieee80211_ht_cap));
170 } else {
171 memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
172 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
173 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
174 }
175
176 return;
177 }
178
179 /* This function initializes some of mwifiex_uap_bss_param variables.
180 * This helps FW in ignoring invalid values. These values may or may not
181 * be get updated to valid ones at later stage.
182 */
183 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
184 {
185 config->bcast_ssid_ctl = 0x7F;
186 config->radio_ctl = 0x7F;
187 config->dtim_period = 0x7F;
188 config->beacon_period = 0x7FFF;
189 config->auth_mode = 0x7F;
190 config->rts_threshold = 0x7FFF;
191 config->frag_threshold = 0x7FFF;
192 config->retry_limit = 0x7F;
193 }
194
195 /* This function parses BSS related parameters from structure
196 * and prepares TLVs specific to WPA/WPA2 security.
197 * These TLVs are appended to command buffer.
198 */
199 static void
200 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
201 {
202 struct host_cmd_tlv_pwk_cipher *pwk_cipher;
203 struct host_cmd_tlv_gwk_cipher *gwk_cipher;
204 struct host_cmd_tlv_passphrase *passphrase;
205 struct host_cmd_tlv_akmp *tlv_akmp;
206 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
207 u16 cmd_size = *param_size;
208 u8 *tlv = *tlv_buf;
209
210 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
211 tlv_akmp->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
212 tlv_akmp->tlv.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
213 sizeof(struct host_cmd_tlv));
214 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
215 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
216 cmd_size += sizeof(struct host_cmd_tlv_akmp);
217 tlv += sizeof(struct host_cmd_tlv_akmp);
218
219 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
220 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
221 pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
222 pwk_cipher->tlv.len =
223 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
224 sizeof(struct host_cmd_tlv));
225 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
226 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
227 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
228 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
229 }
230
231 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
232 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
233 pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
234 pwk_cipher->tlv.len =
235 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
236 sizeof(struct host_cmd_tlv));
237 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
238 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
239 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
240 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
241 }
242
243 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
244 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
245 gwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
246 gwk_cipher->tlv.len =
247 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
248 sizeof(struct host_cmd_tlv));
249 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
250 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
251 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
252 }
253
254 if (bss_cfg->wpa_cfg.length) {
255 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
256 passphrase->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
257 passphrase->tlv.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
258 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
259 bss_cfg->wpa_cfg.length);
260 cmd_size += sizeof(struct host_cmd_tlv) +
261 bss_cfg->wpa_cfg.length;
262 tlv += sizeof(struct host_cmd_tlv) + bss_cfg->wpa_cfg.length;
263 }
264
265 *param_size = cmd_size;
266 *tlv_buf = tlv;
267
268 return;
269 }
270
271 /* This function parses BSS related parameters from structure
272 * and prepares TLVs specific to WEP encryption.
273 * These TLVs are appended to command buffer.
274 */
275 static void
276 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
277 {
278 struct host_cmd_tlv_wep_key *wep_key;
279 u16 cmd_size = *param_size;
280 int i;
281 u8 *tlv = *tlv_buf;
282 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
283
284 for (i = 0; i < NUM_WEP_KEYS; i++) {
285 if (bss_cfg->wep_cfg[i].length &&
286 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
287 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
288 wep_key = (struct host_cmd_tlv_wep_key *)tlv;
289 wep_key->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
290 wep_key->tlv.len =
291 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
292 wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
293 wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
294 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
295 bss_cfg->wep_cfg[i].length);
296 cmd_size += sizeof(struct host_cmd_tlv) + 2 +
297 bss_cfg->wep_cfg[i].length;
298 tlv += sizeof(struct host_cmd_tlv) + 2 +
299 bss_cfg->wep_cfg[i].length;
300 }
301 }
302
303 *param_size = cmd_size;
304 *tlv_buf = tlv;
305
306 return;
307 }
308
309 /* This function parses BSS related parameters from structure
310 * and prepares TLVs. These TLVs are appended to command buffer.
311 */
312 static int
313 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
314 {
315 struct host_cmd_tlv_dtim_period *dtim_period;
316 struct host_cmd_tlv_beacon_period *beacon_period;
317 struct host_cmd_tlv_ssid *ssid;
318 struct host_cmd_tlv_bcast_ssid *bcast_ssid;
319 struct host_cmd_tlv_channel_band *chan_band;
320 struct host_cmd_tlv_frag_threshold *frag_threshold;
321 struct host_cmd_tlv_rts_threshold *rts_threshold;
322 struct host_cmd_tlv_retry_limit *retry_limit;
323 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
324 struct host_cmd_tlv_auth_type *auth_type;
325 struct mwifiex_ie_types_htcap *htcap;
326 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
327 u16 cmd_size = *param_size;
328
329 if (bss_cfg->ssid.ssid_len) {
330 ssid = (struct host_cmd_tlv_ssid *)tlv;
331 ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
332 ssid->tlv.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
333 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
334 cmd_size += sizeof(struct host_cmd_tlv) +
335 bss_cfg->ssid.ssid_len;
336 tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len;
337
338 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
339 bcast_ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
340 bcast_ssid->tlv.len =
341 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
342 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
343 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
344 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
345 }
346 if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) {
347 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
348 chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
349 chan_band->tlv.len =
350 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
351 sizeof(struct host_cmd_tlv));
352 chan_band->band_config = bss_cfg->band_cfg;
353 chan_band->channel = bss_cfg->channel;
354 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
355 tlv += sizeof(struct host_cmd_tlv_channel_band);
356 }
357 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
358 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
359 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
360 beacon_period->tlv.type =
361 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
362 beacon_period->tlv.len =
363 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
364 sizeof(struct host_cmd_tlv));
365 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
366 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
367 tlv += sizeof(struct host_cmd_tlv_beacon_period);
368 }
369 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
370 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
371 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
372 dtim_period->tlv.type = cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
373 dtim_period->tlv.len =
374 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
375 sizeof(struct host_cmd_tlv));
376 dtim_period->period = bss_cfg->dtim_period;
377 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
378 tlv += sizeof(struct host_cmd_tlv_dtim_period);
379 }
380 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
381 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
382 rts_threshold->tlv.type =
383 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
384 rts_threshold->tlv.len =
385 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
386 sizeof(struct host_cmd_tlv));
387 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
388 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
389 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
390 }
391 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
392 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
393 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
394 frag_threshold->tlv.type =
395 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
396 frag_threshold->tlv.len =
397 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
398 sizeof(struct host_cmd_tlv));
399 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
400 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
401 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
402 }
403 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
404 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
405 retry_limit->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
406 retry_limit->tlv.len =
407 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
408 sizeof(struct host_cmd_tlv));
409 retry_limit->limit = (u8)bss_cfg->retry_limit;
410 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
411 tlv += sizeof(struct host_cmd_tlv_retry_limit);
412 }
413 if ((bss_cfg->protocol & PROTOCOL_WPA) ||
414 (bss_cfg->protocol & PROTOCOL_WPA2) ||
415 (bss_cfg->protocol & PROTOCOL_EAP))
416 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
417 else
418 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
419
420 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
421 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
422 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
423 auth_type->tlv.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
424 auth_type->tlv.len =
425 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
426 sizeof(struct host_cmd_tlv));
427 auth_type->auth_type = (u8)bss_cfg->auth_mode;
428 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
429 tlv += sizeof(struct host_cmd_tlv_auth_type);
430 }
431 if (bss_cfg->protocol) {
432 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
433 encrypt_protocol->tlv.type =
434 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
435 encrypt_protocol->tlv.len =
436 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
437 - sizeof(struct host_cmd_tlv));
438 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
439 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
440 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
441 }
442
443 if (bss_cfg->ht_cap.cap_info) {
444 htcap = (struct mwifiex_ie_types_htcap *)tlv;
445 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
446 htcap->header.len =
447 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
448 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
449 htcap->ht_cap.ampdu_params_info =
450 bss_cfg->ht_cap.ampdu_params_info;
451 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
452 sizeof(struct ieee80211_mcs_info));
453 htcap->ht_cap.extended_ht_cap_info =
454 bss_cfg->ht_cap.extended_ht_cap_info;
455 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
456 htcap->ht_cap.antenna_selection_info =
457 bss_cfg->ht_cap.antenna_selection_info;
458 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
459 tlv += sizeof(struct mwifiex_ie_types_htcap);
460 }
461
462 *param_size = cmd_size;
463
464 return 0;
465 }
466
467 /* This function parses custom IEs from IE list and prepares command buffer */
468 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
469 {
470 struct mwifiex_ie_list *ap_ie = cmd_buf;
471 struct host_cmd_tlv *tlv_ie = (struct host_cmd_tlv *)tlv;
472
473 if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
474 return -1;
475
476 *ie_size += le16_to_cpu(ap_ie->len) + sizeof(struct host_cmd_tlv);
477
478 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
479 tlv_ie->len = ap_ie->len;
480 tlv += sizeof(struct host_cmd_tlv);
481
482 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
483
484 return 0;
485 }
486
487 /* Parse AP config structure and prepare TLV based command structure
488 * to be sent to FW for uAP configuration
489 */
490 static int
491 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
492 u32 type, void *cmd_buf)
493 {
494 u8 *tlv;
495 u16 cmd_size, param_size, ie_size;
496 struct host_cmd_ds_sys_config *sys_cfg;
497
498 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
499 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
500 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
501 sys_cfg->action = cpu_to_le16(cmd_action);
502 tlv = sys_cfg->tlv;
503
504 switch (type) {
505 case UAP_BSS_PARAMS_I:
506 param_size = cmd_size;
507 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
508 return -1;
509 cmd->size = cpu_to_le16(param_size);
510 break;
511 case UAP_CUSTOM_IE_I:
512 ie_size = cmd_size;
513 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
514 return -1;
515 cmd->size = cpu_to_le16(ie_size);
516 break;
517 default:
518 return -1;
519 }
520
521 return 0;
522 }
523
524 /* This function prepares the AP specific commands before sending them
525 * to the firmware.
526 * This is a generic function which calls specific command preparation
527 * routines based upon the command number.
528 */
529 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
530 u16 cmd_action, u32 type,
531 void *data_buf, void *cmd_buf)
532 {
533 struct host_cmd_ds_command *cmd = cmd_buf;
534
535 switch (cmd_no) {
536 case HostCmd_CMD_UAP_SYS_CONFIG:
537 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
538 return -1;
539 break;
540 case HostCmd_CMD_UAP_BSS_START:
541 case HostCmd_CMD_UAP_BSS_STOP:
542 cmd->command = cpu_to_le16(cmd_no);
543 cmd->size = cpu_to_le16(S_DS_GEN);
544 break;
545 default:
546 dev_err(priv->adapter->dev,
547 "PREP_CMD: unknown cmd %#x\n", cmd_no);
548 return -1;
549 }
550
551 return 0;
552 }
Linux kernel - Deliverables
This page took 0.058759 seconds and 5 git commands to generate.