1/* 2 * Marvell Wireless LAN device driver: AP specific command handling 3 * 4 * Copyright (C) 2012-2014, Marvell International Ltd. 5 * 6 * This software file (the "File") is distributed by Marvell International 7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991 8 * (the "License"). You may use, redistribute and/or modify this File in 9 * accordance with the terms and conditions of the License, a copy of which 10 * is available by writing to the Free Software Foundation, Inc., 11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 13 * 14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 17 * this warranty disclaimer. 18 */ 19 20#include "main.h" 21#include "11ac.h" 22 23/* This function parses security related parameters from cfg80211_ap_settings 24 * and sets into FW understandable bss_config structure. 25 */ 26int mwifiex_set_secure_params(struct mwifiex_private *priv, 27 struct mwifiex_uap_bss_param *bss_config, 28 struct cfg80211_ap_settings *params) { 29 int i; 30 struct mwifiex_wep_key wep_key; 31 32 if (!params->privacy) { 33 bss_config->protocol = PROTOCOL_NO_SECURITY; 34 bss_config->key_mgmt = KEY_MGMT_NONE; 35 bss_config->wpa_cfg.length = 0; 36 priv->sec_info.wep_enabled = 0; 37 priv->sec_info.wpa_enabled = 0; 38 priv->sec_info.wpa2_enabled = 0; 39 40 return 0; 41 } 42 43 switch (params->auth_type) { 44 case NL80211_AUTHTYPE_OPEN_SYSTEM: 45 bss_config->auth_mode = WLAN_AUTH_OPEN; 46 break; 47 case NL80211_AUTHTYPE_SHARED_KEY: 48 bss_config->auth_mode = WLAN_AUTH_SHARED_KEY; 49 break; 50 case NL80211_AUTHTYPE_NETWORK_EAP: 51 bss_config->auth_mode = WLAN_AUTH_LEAP; 52 break; 53 default: 54 bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO; 55 break; 56 } 57 58 bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST; 59 60 for (i = 0; i < params->crypto.n_akm_suites; i++) { 61 switch (params->crypto.akm_suites[i]) { 62 case WLAN_AKM_SUITE_8021X: 63 if (params->crypto.wpa_versions & 64 NL80211_WPA_VERSION_1) { 65 bss_config->protocol = PROTOCOL_WPA; 66 bss_config->key_mgmt = KEY_MGMT_EAP; 67 } 68 if (params->crypto.wpa_versions & 69 NL80211_WPA_VERSION_2) { 70 bss_config->protocol |= PROTOCOL_WPA2; 71 bss_config->key_mgmt = KEY_MGMT_EAP; 72 } 73 break; 74 case WLAN_AKM_SUITE_PSK: 75 if (params->crypto.wpa_versions & 76 NL80211_WPA_VERSION_1) { 77 bss_config->protocol = PROTOCOL_WPA; 78 bss_config->key_mgmt = KEY_MGMT_PSK; 79 } 80 if (params->crypto.wpa_versions & 81 NL80211_WPA_VERSION_2) { 82 bss_config->protocol |= PROTOCOL_WPA2; 83 bss_config->key_mgmt = KEY_MGMT_PSK; 84 } 85 break; 86 default: 87 break; 88 } 89 } 90 for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) { 91 switch (params->crypto.ciphers_pairwise[i]) { 92 case WLAN_CIPHER_SUITE_WEP40: 93 case WLAN_CIPHER_SUITE_WEP104: 94 break; 95 case WLAN_CIPHER_SUITE_TKIP: 96 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) 97 bss_config->wpa_cfg.pairwise_cipher_wpa |= 98 CIPHER_TKIP; 99 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) 100 bss_config->wpa_cfg.pairwise_cipher_wpa2 |= 101 CIPHER_TKIP; 102 break; 103 case WLAN_CIPHER_SUITE_CCMP: 104 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) 105 bss_config->wpa_cfg.pairwise_cipher_wpa |= 106 CIPHER_AES_CCMP; 107 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) 108 bss_config->wpa_cfg.pairwise_cipher_wpa2 |= 109 CIPHER_AES_CCMP; 110 default: 111 break; 112 } 113 } 114 115 switch (params->crypto.cipher_group) { 116 case WLAN_CIPHER_SUITE_WEP40: 117 case WLAN_CIPHER_SUITE_WEP104: 118 if (priv->sec_info.wep_enabled) { 119 bss_config->protocol = PROTOCOL_STATIC_WEP; 120 bss_config->key_mgmt = KEY_MGMT_NONE; 121 bss_config->wpa_cfg.length = 0; 122 123 for (i = 0; i < NUM_WEP_KEYS; i++) { 124 wep_key = priv->wep_key[i]; 125 bss_config->wep_cfg[i].key_index = i; 126 127 if (priv->wep_key_curr_index == i) 128 bss_config->wep_cfg[i].is_default = 1; 129 else 130 bss_config->wep_cfg[i].is_default = 0; 131 132 bss_config->wep_cfg[i].length = 133 wep_key.key_length; 134 memcpy(&bss_config->wep_cfg[i].key, 135 &wep_key.key_material, 136 wep_key.key_length); 137 } 138 } 139 break; 140 case WLAN_CIPHER_SUITE_TKIP: 141 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; 142 break; 143 case WLAN_CIPHER_SUITE_CCMP: 144 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; 145 break; 146 default: 147 break; 148 } 149 150 return 0; 151} 152 153/* This function updates 11n related parameters from IE and sets them into 154 * bss_config structure. 155 */ 156void 157mwifiex_set_ht_params(struct mwifiex_private *priv, 158 struct mwifiex_uap_bss_param *bss_cfg, 159 struct cfg80211_ap_settings *params) 160{ 161 const u8 *ht_ie; 162 u16 cap_info; 163 164 if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info)) 165 return; 166 167 ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail, 168 params->beacon.tail_len); 169 if (ht_ie) { 170 memcpy(&bss_cfg->ht_cap, ht_ie + 2, 171 sizeof(struct ieee80211_ht_cap)); 172 cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info); 173 memset(&bss_cfg->ht_cap.mcs, 0, 174 priv->adapter->number_of_antenna); 175 switch (GET_RXSTBC(cap_info)) { 176 case MWIFIEX_RX_STBC1: 177 /* HT_CAP 1X1 mode */ 178 bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff; 179 break; 180 case MWIFIEX_RX_STBC12: /* fall through */ 181 case MWIFIEX_RX_STBC123: 182 /* HT_CAP 2X2 mode */ 183 bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff; 184 bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff; 185 break; 186 default: 187 dev_warn(priv->adapter->dev, 188 "Unsupported RX-STBC, default to 2x2\n"); 189 bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff; 190 bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff; 191 break; 192 } 193 priv->ap_11n_enabled = 1; 194 } else { 195 memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap)); 196 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP); 197 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU; 198 } 199 200 return; 201} 202 203/* This function updates 11ac related parameters from IE 204 * and sets them into bss_config structure. 205 */ 206void mwifiex_set_vht_params(struct mwifiex_private *priv, 207 struct mwifiex_uap_bss_param *bss_cfg, 208 struct cfg80211_ap_settings *params) 209{ 210 const u8 *vht_ie; 211 212 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail, 213 params->beacon.tail_len); 214 if (vht_ie) { 215 memcpy(&bss_cfg->vht_cap, vht_ie + 2, 216 sizeof(struct ieee80211_vht_cap)); 217 priv->ap_11ac_enabled = 1; 218 } else { 219 priv->ap_11ac_enabled = 0; 220 } 221 222 return; 223} 224 225/* Enable VHT only when cfg80211_ap_settings has VHT IE. 226 * Otherwise disable VHT. 227 */ 228void mwifiex_set_vht_width(struct mwifiex_private *priv, 229 enum nl80211_chan_width width, 230 bool ap_11ac_enable) 231{ 232 struct mwifiex_adapter *adapter = priv->adapter; 233 struct mwifiex_11ac_vht_cfg vht_cfg; 234 235 vht_cfg.band_config = VHT_CFG_5GHZ; 236 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap; 237 238 if (!ap_11ac_enable) { 239 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET; 240 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET; 241 } else { 242 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET; 243 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET; 244 } 245 246 vht_cfg.misc_config = VHT_CAP_UAP_ONLY; 247 248 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80) 249 vht_cfg.misc_config |= VHT_BW_80_160_80P80; 250 251 mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG, 252 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true); 253 254 return; 255} 256 257/* This function finds supported rates IE from beacon parameter and sets 258 * these rates into bss_config structure. 259 */ 260void 261mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg, 262 struct cfg80211_ap_settings *params) 263{ 264 struct ieee_types_header *rate_ie; 265 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); 266 const u8 *var_pos = params->beacon.head + var_offset; 267 int len = params->beacon.head_len - var_offset; 268 u8 rate_len = 0; 269 270 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len); 271 if (rate_ie) { 272 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len); 273 rate_len = rate_ie->len; 274 } 275 276 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, 277 params->beacon.tail, 278 params->beacon.tail_len); 279 if (rate_ie) 280 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len); 281 282 return; 283} 284 285/* This function initializes some of mwifiex_uap_bss_param variables. 286 * This helps FW in ignoring invalid values. These values may or may not 287 * be get updated to valid ones at later stage. 288 */ 289void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config) 290{ 291 config->bcast_ssid_ctl = 0x7F; 292 config->radio_ctl = 0x7F; 293 config->dtim_period = 0x7F; 294 config->beacon_period = 0x7FFF; 295 config->auth_mode = 0x7F; 296 config->rts_threshold = 0x7FFF; 297 config->frag_threshold = 0x7FFF; 298 config->retry_limit = 0x7F; 299 config->qos_info = 0xFF; 300} 301 302/* This function parses BSS related parameters from structure 303 * and prepares TLVs specific to WPA/WPA2 security. 304 * These TLVs are appended to command buffer. 305 */ 306static void 307mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size) 308{ 309 struct host_cmd_tlv_pwk_cipher *pwk_cipher; 310 struct host_cmd_tlv_gwk_cipher *gwk_cipher; 311 struct host_cmd_tlv_passphrase *passphrase; 312 struct host_cmd_tlv_akmp *tlv_akmp; 313 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 314 u16 cmd_size = *param_size; 315 u8 *tlv = *tlv_buf; 316 317 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; 318 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); 319 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - 320 sizeof(struct mwifiex_ie_types_header)); 321 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation); 322 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); 323 cmd_size += sizeof(struct host_cmd_tlv_akmp); 324 tlv += sizeof(struct host_cmd_tlv_akmp); 325 326 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) { 327 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; 328 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); 329 pwk_cipher->header.len = 330 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - 331 sizeof(struct mwifiex_ie_types_header)); 332 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); 333 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa; 334 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); 335 tlv += sizeof(struct host_cmd_tlv_pwk_cipher); 336 } 337 338 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) { 339 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; 340 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); 341 pwk_cipher->header.len = 342 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - 343 sizeof(struct mwifiex_ie_types_header)); 344 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2); 345 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2; 346 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); 347 tlv += sizeof(struct host_cmd_tlv_pwk_cipher); 348 } 349 350 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) { 351 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; 352 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); 353 gwk_cipher->header.len = 354 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) - 355 sizeof(struct mwifiex_ie_types_header)); 356 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; 357 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); 358 tlv += sizeof(struct host_cmd_tlv_gwk_cipher); 359 } 360 361 if (bss_cfg->wpa_cfg.length) { 362 passphrase = (struct host_cmd_tlv_passphrase *)tlv; 363 passphrase->header.type = 364 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); 365 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length); 366 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase, 367 bss_cfg->wpa_cfg.length); 368 cmd_size += sizeof(struct mwifiex_ie_types_header) + 369 bss_cfg->wpa_cfg.length; 370 tlv += sizeof(struct mwifiex_ie_types_header) + 371 bss_cfg->wpa_cfg.length; 372 } 373 374 *param_size = cmd_size; 375 *tlv_buf = tlv; 376 377 return; 378} 379 380/* This function parses WMM related parameters from cfg80211_ap_settings 381 * structure and updates bss_config structure. 382 */ 383void 384mwifiex_set_wmm_params(struct mwifiex_private *priv, 385 struct mwifiex_uap_bss_param *bss_cfg, 386 struct cfg80211_ap_settings *params) 387{ 388 const u8 *vendor_ie; 389 struct ieee_types_header *wmm_ie; 390 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02}; 391 392 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, 393 WLAN_OUI_TYPE_MICROSOFT_WMM, 394 params->beacon.tail, 395 params->beacon.tail_len); 396 if (vendor_ie) { 397 wmm_ie = (struct ieee_types_header *)vendor_ie; 398 memcpy(&bss_cfg->wmm_info, wmm_ie + 1, 399 sizeof(bss_cfg->wmm_info)); 400 priv->wmm_enabled = 1; 401 } else { 402 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info)); 403 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui)); 404 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE; 405 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION; 406 priv->wmm_enabled = 0; 407 } 408 409 bss_cfg->qos_info = 0x00; 410 return; 411} 412/* This function parses BSS related parameters from structure 413 * and prepares TLVs specific to WEP encryption. 414 * These TLVs are appended to command buffer. 415 */ 416static void 417mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size) 418{ 419 struct host_cmd_tlv_wep_key *wep_key; 420 u16 cmd_size = *param_size; 421 int i; 422 u8 *tlv = *tlv_buf; 423 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 424 425 for (i = 0; i < NUM_WEP_KEYS; i++) { 426 if (bss_cfg->wep_cfg[i].length && 427 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 || 428 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) { 429 wep_key = (struct host_cmd_tlv_wep_key *)tlv; 430 wep_key->header.type = 431 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY); 432 wep_key->header.len = 433 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2); 434 wep_key->key_index = bss_cfg->wep_cfg[i].key_index; 435 wep_key->is_default = bss_cfg->wep_cfg[i].is_default; 436 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key, 437 bss_cfg->wep_cfg[i].length); 438 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 + 439 bss_cfg->wep_cfg[i].length; 440 tlv += sizeof(struct mwifiex_ie_types_header) + 2 + 441 bss_cfg->wep_cfg[i].length; 442 } 443 } 444 445 *param_size = cmd_size; 446 *tlv_buf = tlv; 447 448 return; 449} 450 451/* This function parses BSS related parameters from structure 452 * and prepares TLVs. These TLVs are appended to command buffer. 453*/ 454static int 455mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) 456{ 457 struct host_cmd_tlv_dtim_period *dtim_period; 458 struct host_cmd_tlv_beacon_period *beacon_period; 459 struct host_cmd_tlv_ssid *ssid; 460 struct host_cmd_tlv_bcast_ssid *bcast_ssid; 461 struct host_cmd_tlv_channel_band *chan_band; 462 struct host_cmd_tlv_frag_threshold *frag_threshold; 463 struct host_cmd_tlv_rts_threshold *rts_threshold; 464 struct host_cmd_tlv_retry_limit *retry_limit; 465 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; 466 struct host_cmd_tlv_auth_type *auth_type; 467 struct host_cmd_tlv_rates *tlv_rates; 468 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer; 469 struct mwifiex_ie_types_htcap *htcap; 470 struct mwifiex_ie_types_wmmcap *wmm_cap; 471 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 472 int i; 473 u16 cmd_size = *param_size; 474 475 if (bss_cfg->ssid.ssid_len) { 476 ssid = (struct host_cmd_tlv_ssid *)tlv; 477 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID); 478 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); 479 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); 480 cmd_size += sizeof(struct mwifiex_ie_types_header) + 481 bss_cfg->ssid.ssid_len; 482 tlv += sizeof(struct mwifiex_ie_types_header) + 483 bss_cfg->ssid.ssid_len; 484 485 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv; 486 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID); 487 bcast_ssid->header.len = 488 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl)); 489 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl; 490 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid); 491 tlv += sizeof(struct host_cmd_tlv_bcast_ssid); 492 } 493 if (bss_cfg->rates[0]) { 494 tlv_rates = (struct host_cmd_tlv_rates *)tlv; 495 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES); 496 497 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i]; 498 i++) 499 tlv_rates->rates[i] = bss_cfg->rates[i]; 500 501 tlv_rates->header.len = cpu_to_le16(i); 502 cmd_size += sizeof(struct host_cmd_tlv_rates) + i; 503 tlv += sizeof(struct host_cmd_tlv_rates) + i; 504 } 505 if (bss_cfg->channel && 506 ((bss_cfg->band_cfg == BAND_CONFIG_BG && 507 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) || 508 (bss_cfg->band_cfg == BAND_CONFIG_A && 509 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) { 510 chan_band = (struct host_cmd_tlv_channel_band *)tlv; 511 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); 512 chan_band->header.len = 513 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - 514 sizeof(struct mwifiex_ie_types_header)); 515 chan_band->band_config = bss_cfg->band_cfg; 516 chan_band->channel = bss_cfg->channel; 517 cmd_size += sizeof(struct host_cmd_tlv_channel_band); 518 tlv += sizeof(struct host_cmd_tlv_channel_band); 519 } 520 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD && 521 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) { 522 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; 523 beacon_period->header.type = 524 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); 525 beacon_period->header.len = 526 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - 527 sizeof(struct mwifiex_ie_types_header)); 528 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); 529 cmd_size += sizeof(struct host_cmd_tlv_beacon_period); 530 tlv += sizeof(struct host_cmd_tlv_beacon_period); 531 } 532 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD && 533 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) { 534 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; 535 dtim_period->header.type = 536 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); 537 dtim_period->header.len = 538 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - 539 sizeof(struct mwifiex_ie_types_header)); 540 dtim_period->period = bss_cfg->dtim_period; 541 cmd_size += sizeof(struct host_cmd_tlv_dtim_period); 542 tlv += sizeof(struct host_cmd_tlv_dtim_period); 543 } 544 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) { 545 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; 546 rts_threshold->header.type = 547 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD); 548 rts_threshold->header.len = 549 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) - 550 sizeof(struct mwifiex_ie_types_header)); 551 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold); 552 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 553 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 554 } 555 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) && 556 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) { 557 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv; 558 frag_threshold->header.type = 559 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD); 560 frag_threshold->header.len = 561 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) - 562 sizeof(struct mwifiex_ie_types_header)); 563 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold); 564 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 565 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 566 } 567 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) { 568 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv; 569 retry_limit->header.type = 570 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT); 571 retry_limit->header.len = 572 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) - 573 sizeof(struct mwifiex_ie_types_header)); 574 retry_limit->limit = (u8)bss_cfg->retry_limit; 575 cmd_size += sizeof(struct host_cmd_tlv_retry_limit); 576 tlv += sizeof(struct host_cmd_tlv_retry_limit); 577 } 578 if ((bss_cfg->protocol & PROTOCOL_WPA) || 579 (bss_cfg->protocol & PROTOCOL_WPA2) || 580 (bss_cfg->protocol & PROTOCOL_EAP)) 581 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size); 582 else 583 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size); 584 585 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) || 586 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) { 587 auth_type = (struct host_cmd_tlv_auth_type *)tlv; 588 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); 589 auth_type->header.len = 590 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) - 591 sizeof(struct mwifiex_ie_types_header)); 592 auth_type->auth_type = (u8)bss_cfg->auth_mode; 593 cmd_size += sizeof(struct host_cmd_tlv_auth_type); 594 tlv += sizeof(struct host_cmd_tlv_auth_type); 595 } 596 if (bss_cfg->protocol) { 597 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv; 598 encrypt_protocol->header.type = 599 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL); 600 encrypt_protocol->header.len = 601 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol) 602 - sizeof(struct mwifiex_ie_types_header)); 603 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol); 604 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol); 605 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); 606 } 607 608 if (bss_cfg->ht_cap.cap_info) { 609 htcap = (struct mwifiex_ie_types_htcap *)tlv; 610 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); 611 htcap->header.len = 612 cpu_to_le16(sizeof(struct ieee80211_ht_cap)); 613 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info; 614 htcap->ht_cap.ampdu_params_info = 615 bss_cfg->ht_cap.ampdu_params_info; 616 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs, 617 sizeof(struct ieee80211_mcs_info)); 618 htcap->ht_cap.extended_ht_cap_info = 619 bss_cfg->ht_cap.extended_ht_cap_info; 620 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info; 621 htcap->ht_cap.antenna_selection_info = 622 bss_cfg->ht_cap.antenna_selection_info; 623 cmd_size += sizeof(struct mwifiex_ie_types_htcap); 624 tlv += sizeof(struct mwifiex_ie_types_htcap); 625 } 626 627 if (bss_cfg->wmm_info.qos_info != 0xFF) { 628 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv; 629 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC); 630 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info)); 631 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info, 632 sizeof(wmm_cap->wmm_info)); 633 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap); 634 tlv += sizeof(struct mwifiex_ie_types_wmmcap); 635 } 636 637 if (bss_cfg->sta_ao_timer) { 638 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 639 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER); 640 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) - 641 sizeof(struct mwifiex_ie_types_header)); 642 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer); 643 cmd_size += sizeof(*ao_timer); 644 tlv += sizeof(*ao_timer); 645 } 646 647 if (bss_cfg->ps_sta_ao_timer) { 648 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 649 ps_ao_timer->header.type = 650 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER); 651 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) - 652 sizeof(struct mwifiex_ie_types_header)); 653 ps_ao_timer->sta_ao_timer = 654 cpu_to_le32(bss_cfg->ps_sta_ao_timer); 655 cmd_size += sizeof(*ps_ao_timer); 656 tlv += sizeof(*ps_ao_timer); 657 } 658 659 *param_size = cmd_size; 660 661 return 0; 662} 663 664/* This function parses custom IEs from IE list and prepares command buffer */ 665static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size) 666{ 667 struct mwifiex_ie_list *ap_ie = cmd_buf; 668 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv; 669 670 if (!ap_ie || !ap_ie->len || !ap_ie->ie_list) 671 return -1; 672 673 *ie_size += le16_to_cpu(ap_ie->len) + 674 sizeof(struct mwifiex_ie_types_header); 675 676 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); 677 tlv_ie->len = ap_ie->len; 678 tlv += sizeof(struct mwifiex_ie_types_header); 679 680 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len)); 681 682 return 0; 683} 684 685/* Parse AP config structure and prepare TLV based command structure 686 * to be sent to FW for uAP configuration 687 */ 688static int 689mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, 690 u32 type, void *cmd_buf) 691{ 692 u8 *tlv; 693 u16 cmd_size, param_size, ie_size; 694 struct host_cmd_ds_sys_config *sys_cfg; 695 696 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG); 697 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); 698 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config; 699 sys_cfg->action = cpu_to_le16(cmd_action); 700 tlv = sys_cfg->tlv; 701 702 switch (type) { 703 case UAP_BSS_PARAMS_I: 704 param_size = cmd_size; 705 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size)) 706 return -1; 707 cmd->size = cpu_to_le16(param_size); 708 break; 709 case UAP_CUSTOM_IE_I: 710 ie_size = cmd_size; 711 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size)) 712 return -1; 713 cmd->size = cpu_to_le16(ie_size); 714 break; 715 default: 716 return -1; 717 } 718 719 return 0; 720} 721 722/* This function prepares AP specific deauth command with mac supplied in 723 * function parameter. 724 */ 725static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv, 726 struct host_cmd_ds_command *cmd, u8 *mac) 727{ 728 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth; 729 730 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH); 731 memcpy(sta_deauth->mac, mac, ETH_ALEN); 732 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); 733 734 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) + 735 S_DS_GEN); 736 return 0; 737} 738 739/* This function prepares the AP specific commands before sending them 740 * to the firmware. 741 * This is a generic function which calls specific command preparation 742 * routines based upon the command number. 743 */ 744int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, 745 u16 cmd_action, u32 type, 746 void *data_buf, void *cmd_buf) 747{ 748 struct host_cmd_ds_command *cmd = cmd_buf; 749 750 switch (cmd_no) { 751 case HostCmd_CMD_UAP_SYS_CONFIG: 752 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf)) 753 return -1; 754 break; 755 case HostCmd_CMD_UAP_BSS_START: 756 case HostCmd_CMD_UAP_BSS_STOP: 757 cmd->command = cpu_to_le16(cmd_no); 758 cmd->size = cpu_to_le16(S_DS_GEN); 759 break; 760 case HostCmd_CMD_UAP_STA_DEAUTH: 761 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf)) 762 return -1; 763 break; 764 default: 765 dev_err(priv->adapter->dev, 766 "PREP_CMD: unknown cmd %#x\n", cmd_no); 767 return -1; 768 } 769 770 return 0; 771} 772