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, ¶m_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 } 908