1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * NXP Wireless LAN device driver: AP specific command handling 4 * 5 * Copyright 2011-2020 NXP 6 */ 7 8#include "main.h" 9#include "11ac.h" 10#include "11n.h" 11 12/* This function parses security related parameters from cfg80211_ap_settings 13 * and sets into FW understandable bss_config structure. 14 */ 15int mwifiex_set_secure_params(struct mwifiex_private *priv, 16 struct mwifiex_uap_bss_param *bss_config, 17 struct cfg80211_ap_settings *params) { 18 int i; 19 struct mwifiex_wep_key wep_key; 20 21 if (!params->privacy) { 22 bss_config->protocol = PROTOCOL_NO_SECURITY; 23 bss_config->key_mgmt = KEY_MGMT_NONE; 24 bss_config->wpa_cfg.length = 0; 25 priv->sec_info.wep_enabled = 0; 26 priv->sec_info.wpa_enabled = 0; 27 priv->sec_info.wpa2_enabled = 0; 28 29 return 0; 30 } 31 32 switch (params->auth_type) { 33 case NL80211_AUTHTYPE_OPEN_SYSTEM: 34 bss_config->auth_mode = WLAN_AUTH_OPEN; 35 break; 36 case NL80211_AUTHTYPE_SHARED_KEY: 37 bss_config->auth_mode = WLAN_AUTH_SHARED_KEY; 38 break; 39 case NL80211_AUTHTYPE_NETWORK_EAP: 40 bss_config->auth_mode = WLAN_AUTH_LEAP; 41 break; 42 default: 43 bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO; 44 break; 45 } 46 47 bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST; 48 49 for (i = 0; i < params->crypto.n_akm_suites; i++) { 50 switch (params->crypto.akm_suites[i]) { 51 case WLAN_AKM_SUITE_8021X: 52 if (params->crypto.wpa_versions & 53 NL80211_WPA_VERSION_1) { 54 bss_config->protocol = PROTOCOL_WPA; 55 bss_config->key_mgmt = KEY_MGMT_EAP; 56 } 57 if (params->crypto.wpa_versions & 58 NL80211_WPA_VERSION_2) { 59 bss_config->protocol |= PROTOCOL_WPA2; 60 bss_config->key_mgmt = KEY_MGMT_EAP; 61 } 62 break; 63 case WLAN_AKM_SUITE_PSK: 64 if (params->crypto.wpa_versions & 65 NL80211_WPA_VERSION_1) { 66 bss_config->protocol = PROTOCOL_WPA; 67 bss_config->key_mgmt = KEY_MGMT_PSK; 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_PSK; 73 } 74 break; 75 default: 76 break; 77 } 78 } 79 for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) { 80 switch (params->crypto.ciphers_pairwise[i]) { 81 case WLAN_CIPHER_SUITE_WEP40: 82 case WLAN_CIPHER_SUITE_WEP104: 83 break; 84 case WLAN_CIPHER_SUITE_TKIP: 85 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) 86 bss_config->wpa_cfg.pairwise_cipher_wpa |= 87 CIPHER_TKIP; 88 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) 89 bss_config->wpa_cfg.pairwise_cipher_wpa2 |= 90 CIPHER_TKIP; 91 break; 92 case WLAN_CIPHER_SUITE_CCMP: 93 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) 94 bss_config->wpa_cfg.pairwise_cipher_wpa |= 95 CIPHER_AES_CCMP; 96 if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) 97 bss_config->wpa_cfg.pairwise_cipher_wpa2 |= 98 CIPHER_AES_CCMP; 99 break; 100 default: 101 break; 102 } 103 } 104 105 switch (params->crypto.cipher_group) { 106 case WLAN_CIPHER_SUITE_WEP40: 107 case WLAN_CIPHER_SUITE_WEP104: 108 if (priv->sec_info.wep_enabled) { 109 bss_config->protocol = PROTOCOL_STATIC_WEP; 110 bss_config->key_mgmt = KEY_MGMT_NONE; 111 bss_config->wpa_cfg.length = 0; 112 113 for (i = 0; i < NUM_WEP_KEYS; i++) { 114 wep_key = priv->wep_key[i]; 115 bss_config->wep_cfg[i].key_index = i; 116 117 if (priv->wep_key_curr_index == i) 118 bss_config->wep_cfg[i].is_default = 1; 119 else 120 bss_config->wep_cfg[i].is_default = 0; 121 122 bss_config->wep_cfg[i].length = 123 wep_key.key_length; 124 memcpy(&bss_config->wep_cfg[i].key, 125 &wep_key.key_material, 126 wep_key.key_length); 127 } 128 } 129 break; 130 case WLAN_CIPHER_SUITE_TKIP: 131 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; 132 break; 133 case WLAN_CIPHER_SUITE_CCMP: 134 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; 135 break; 136 default: 137 break; 138 } 139 140 return 0; 141} 142 143/* This function updates 11n related parameters from IE and sets them into 144 * bss_config structure. 145 */ 146void 147mwifiex_set_ht_params(struct mwifiex_private *priv, 148 struct mwifiex_uap_bss_param *bss_cfg, 149 struct cfg80211_ap_settings *params) 150{ 151 const u8 *ht_ie; 152 153 if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info)) 154 return; 155 156 ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail, 157 params->beacon.tail_len); 158 if (ht_ie) { 159 memcpy(&bss_cfg->ht_cap, ht_ie + 2, 160 sizeof(struct ieee80211_ht_cap)); 161 priv->ap_11n_enabled = 1; 162 } else { 163 memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap)); 164 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP); 165 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU; 166 } 167 168 return; 169} 170 171/* This function updates 11ac related parameters from IE 172 * and sets them into bss_config structure. 173 */ 174void mwifiex_set_vht_params(struct mwifiex_private *priv, 175 struct mwifiex_uap_bss_param *bss_cfg, 176 struct cfg80211_ap_settings *params) 177{ 178 const u8 *vht_ie; 179 180 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail, 181 params->beacon.tail_len); 182 if (vht_ie) { 183 memcpy(&bss_cfg->vht_cap, vht_ie + 2, 184 sizeof(struct ieee80211_vht_cap)); 185 priv->ap_11ac_enabled = 1; 186 } else { 187 priv->ap_11ac_enabled = 0; 188 } 189 190 return; 191} 192 193/* This function updates 11ac related parameters from IE 194 * and sets them into bss_config structure. 195 */ 196void mwifiex_set_tpc_params(struct mwifiex_private *priv, 197 struct mwifiex_uap_bss_param *bss_cfg, 198 struct cfg80211_ap_settings *params) 199{ 200 const u8 *tpc_ie; 201 202 tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail, 203 params->beacon.tail_len); 204 if (tpc_ie) 205 bss_cfg->power_constraint = *(tpc_ie + 2); 206 else 207 bss_cfg->power_constraint = 0; 208} 209 210/* Enable VHT only when cfg80211_ap_settings has VHT IE. 211 * Otherwise disable VHT. 212 */ 213void mwifiex_set_vht_width(struct mwifiex_private *priv, 214 enum nl80211_chan_width width, 215 bool ap_11ac_enable) 216{ 217 struct mwifiex_adapter *adapter = priv->adapter; 218 struct mwifiex_11ac_vht_cfg vht_cfg; 219 220 vht_cfg.band_config = VHT_CFG_5GHZ; 221 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap; 222 223 if (!ap_11ac_enable) { 224 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET; 225 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET; 226 } else { 227 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET; 228 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET; 229 } 230 231 vht_cfg.misc_config = VHT_CAP_UAP_ONLY; 232 233 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80) 234 vht_cfg.misc_config |= VHT_BW_80_160_80P80; 235 236 mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG, 237 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true); 238 239 return; 240} 241 242/* This function finds supported rates IE from beacon parameter and sets 243 * these rates into bss_config structure. 244 */ 245void 246mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg, 247 struct cfg80211_ap_settings *params) 248{ 249 struct ieee_types_header *rate_ie; 250 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); 251 const u8 *var_pos = params->beacon.head + var_offset; 252 int len = params->beacon.head_len - var_offset; 253 u8 rate_len = 0; 254 255 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len); 256 if (rate_ie) { 257 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES) 258 return; 259 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len); 260 rate_len = rate_ie->len; 261 } 262 263 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, 264 params->beacon.tail, 265 params->beacon.tail_len); 266 if (rate_ie) { 267 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len) 268 return; 269 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len); 270 } 271 272 return; 273} 274 275/* This function initializes some of mwifiex_uap_bss_param variables. 276 * This helps FW in ignoring invalid values. These values may or may not 277 * be get updated to valid ones at later stage. 278 */ 279void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config) 280{ 281 config->bcast_ssid_ctl = 0x7F; 282 config->radio_ctl = 0x7F; 283 config->dtim_period = 0x7F; 284 config->beacon_period = 0x7FFF; 285 config->auth_mode = 0x7F; 286 config->rts_threshold = 0x7FFF; 287 config->frag_threshold = 0x7FFF; 288 config->retry_limit = 0x7F; 289 config->qos_info = 0xFF; 290} 291 292/* This function parses BSS related parameters from structure 293 * and prepares TLVs specific to WPA/WPA2 security. 294 * These TLVs are appended to command buffer. 295 */ 296static void 297mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size) 298{ 299 struct host_cmd_tlv_pwk_cipher *pwk_cipher; 300 struct host_cmd_tlv_gwk_cipher *gwk_cipher; 301 struct host_cmd_tlv_passphrase *passphrase; 302 struct host_cmd_tlv_akmp *tlv_akmp; 303 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 304 u16 cmd_size = *param_size; 305 u8 *tlv = *tlv_buf; 306 307 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; 308 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); 309 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - 310 sizeof(struct mwifiex_ie_types_header)); 311 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation); 312 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); 313 cmd_size += sizeof(struct host_cmd_tlv_akmp); 314 tlv += sizeof(struct host_cmd_tlv_akmp); 315 316 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) { 317 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; 318 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); 319 pwk_cipher->header.len = 320 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - 321 sizeof(struct mwifiex_ie_types_header)); 322 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); 323 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa; 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.pairwise_cipher_wpa2 & 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_WPA2); 335 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2; 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.group_cipher & VALID_CIPHER_BITMAP) { 341 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; 342 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); 343 gwk_cipher->header.len = 344 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) - 345 sizeof(struct mwifiex_ie_types_header)); 346 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; 347 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); 348 tlv += sizeof(struct host_cmd_tlv_gwk_cipher); 349 } 350 351 if (bss_cfg->wpa_cfg.length) { 352 passphrase = (struct host_cmd_tlv_passphrase *)tlv; 353 passphrase->header.type = 354 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); 355 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length); 356 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase, 357 bss_cfg->wpa_cfg.length); 358 cmd_size += sizeof(struct mwifiex_ie_types_header) + 359 bss_cfg->wpa_cfg.length; 360 tlv += sizeof(struct mwifiex_ie_types_header) + 361 bss_cfg->wpa_cfg.length; 362 } 363 364 *param_size = cmd_size; 365 *tlv_buf = tlv; 366 367 return; 368} 369 370/* This function parses WMM related parameters from cfg80211_ap_settings 371 * structure and updates bss_config structure. 372 */ 373void 374mwifiex_set_wmm_params(struct mwifiex_private *priv, 375 struct mwifiex_uap_bss_param *bss_cfg, 376 struct cfg80211_ap_settings *params) 377{ 378 const u8 *vendor_ie; 379 const u8 *wmm_ie; 380 static const u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02}; 381 382 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, 383 WLAN_OUI_TYPE_MICROSOFT_WMM, 384 params->beacon.tail, 385 params->beacon.tail_len); 386 if (vendor_ie) { 387 wmm_ie = vendor_ie; 388 if (*(wmm_ie + 1) > sizeof(struct mwifiex_types_wmm_info)) 389 return; 390 memcpy(&bss_cfg->wmm_info, wmm_ie + 391 sizeof(struct ieee_types_header), *(wmm_ie + 1)); 392 priv->wmm_enabled = 1; 393 } else { 394 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info)); 395 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui)); 396 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE; 397 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION; 398 priv->wmm_enabled = 0; 399 } 400 401 bss_cfg->qos_info = 0x00; 402 return; 403} 404/* This function parses BSS related parameters from structure 405 * and prepares TLVs specific to WEP encryption. 406 * These TLVs are appended to command buffer. 407 */ 408static void 409mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size) 410{ 411 struct host_cmd_tlv_wep_key *wep_key; 412 u16 cmd_size = *param_size; 413 int i; 414 u8 *tlv = *tlv_buf; 415 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 416 417 for (i = 0; i < NUM_WEP_KEYS; i++) { 418 if (bss_cfg->wep_cfg[i].length && 419 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 || 420 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) { 421 wep_key = (struct host_cmd_tlv_wep_key *)tlv; 422 wep_key->header.type = 423 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY); 424 wep_key->header.len = 425 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2); 426 wep_key->key_index = bss_cfg->wep_cfg[i].key_index; 427 wep_key->is_default = bss_cfg->wep_cfg[i].is_default; 428 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key, 429 bss_cfg->wep_cfg[i].length); 430 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 + 431 bss_cfg->wep_cfg[i].length; 432 tlv += sizeof(struct mwifiex_ie_types_header) + 2 + 433 bss_cfg->wep_cfg[i].length; 434 } 435 } 436 437 *param_size = cmd_size; 438 *tlv_buf = tlv; 439 440 return; 441} 442 443/* This function enable 11D if userspace set the country IE. 444 */ 445void mwifiex_config_uap_11d(struct mwifiex_private *priv, 446 struct cfg80211_beacon_data *beacon_data) 447{ 448 enum state_11d_t state_11d; 449 const u8 *country_ie; 450 451 country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail, 452 beacon_data->tail_len); 453 if (country_ie) { 454 /* Send cmd to FW to enable 11D function */ 455 state_11d = ENABLE_11D; 456 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 457 HostCmd_ACT_GEN_SET, DOT11D_I, 458 &state_11d, true)) { 459 mwifiex_dbg(priv->adapter, ERROR, 460 "11D: failed to enable 11D\n"); 461 } 462 } 463} 464 465/* This function parses BSS related parameters from structure 466 * and prepares TLVs. These TLVs are appended to command buffer. 467*/ 468static int 469mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) 470{ 471 struct host_cmd_tlv_mac_addr *mac_tlv; 472 struct host_cmd_tlv_dtim_period *dtim_period; 473 struct host_cmd_tlv_beacon_period *beacon_period; 474 struct host_cmd_tlv_ssid *ssid; 475 struct host_cmd_tlv_bcast_ssid *bcast_ssid; 476 struct host_cmd_tlv_channel_band *chan_band; 477 struct host_cmd_tlv_frag_threshold *frag_threshold; 478 struct host_cmd_tlv_rts_threshold *rts_threshold; 479 struct host_cmd_tlv_retry_limit *retry_limit; 480 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; 481 struct host_cmd_tlv_auth_type *auth_type; 482 struct host_cmd_tlv_rates *tlv_rates; 483 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer; 484 struct host_cmd_tlv_power_constraint *pwr_ct; 485 struct mwifiex_ie_types_htcap *htcap; 486 struct mwifiex_ie_types_wmmcap *wmm_cap; 487 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 488 int i; 489 u16 cmd_size = *param_size; 490 491 mac_tlv = (struct host_cmd_tlv_mac_addr *)tlv; 492 mac_tlv->header.type = cpu_to_le16(TLV_TYPE_UAP_MAC_ADDRESS); 493 mac_tlv->header.len = cpu_to_le16(ETH_ALEN); 494 memcpy(mac_tlv->mac_addr, bss_cfg->mac_addr, ETH_ALEN); 495 cmd_size += sizeof(struct host_cmd_tlv_mac_addr); 496 tlv += sizeof(struct host_cmd_tlv_mac_addr); 497 498 if (bss_cfg->ssid.ssid_len) { 499 ssid = (struct host_cmd_tlv_ssid *)tlv; 500 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID); 501 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); 502 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); 503 cmd_size += sizeof(struct mwifiex_ie_types_header) + 504 bss_cfg->ssid.ssid_len; 505 tlv += sizeof(struct mwifiex_ie_types_header) + 506 bss_cfg->ssid.ssid_len; 507 508 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv; 509 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID); 510 bcast_ssid->header.len = 511 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl)); 512 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl; 513 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid); 514 tlv += sizeof(struct host_cmd_tlv_bcast_ssid); 515 } 516 if (bss_cfg->rates[0]) { 517 tlv_rates = (struct host_cmd_tlv_rates *)tlv; 518 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES); 519 520 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i]; 521 i++) 522 tlv_rates->rates[i] = bss_cfg->rates[i]; 523 524 tlv_rates->header.len = cpu_to_le16(i); 525 cmd_size += sizeof(struct host_cmd_tlv_rates) + i; 526 tlv += sizeof(struct host_cmd_tlv_rates) + i; 527 } 528 if (bss_cfg->channel && 529 (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG && 530 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) || 531 ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A && 532 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) { 533 chan_band = (struct host_cmd_tlv_channel_band *)tlv; 534 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); 535 chan_band->header.len = 536 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - 537 sizeof(struct mwifiex_ie_types_header)); 538 chan_band->band_config = bss_cfg->band_cfg; 539 chan_band->channel = bss_cfg->channel; 540 cmd_size += sizeof(struct host_cmd_tlv_channel_band); 541 tlv += sizeof(struct host_cmd_tlv_channel_band); 542 } 543 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD && 544 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) { 545 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; 546 beacon_period->header.type = 547 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); 548 beacon_period->header.len = 549 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - 550 sizeof(struct mwifiex_ie_types_header)); 551 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); 552 cmd_size += sizeof(struct host_cmd_tlv_beacon_period); 553 tlv += sizeof(struct host_cmd_tlv_beacon_period); 554 } 555 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD && 556 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) { 557 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; 558 dtim_period->header.type = 559 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); 560 dtim_period->header.len = 561 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - 562 sizeof(struct mwifiex_ie_types_header)); 563 dtim_period->period = bss_cfg->dtim_period; 564 cmd_size += sizeof(struct host_cmd_tlv_dtim_period); 565 tlv += sizeof(struct host_cmd_tlv_dtim_period); 566 } 567 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) { 568 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; 569 rts_threshold->header.type = 570 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD); 571 rts_threshold->header.len = 572 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) - 573 sizeof(struct mwifiex_ie_types_header)); 574 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold); 575 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 576 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 577 } 578 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) && 579 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) { 580 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv; 581 frag_threshold->header.type = 582 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD); 583 frag_threshold->header.len = 584 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) - 585 sizeof(struct mwifiex_ie_types_header)); 586 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold); 587 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 588 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 589 } 590 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) { 591 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv; 592 retry_limit->header.type = 593 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT); 594 retry_limit->header.len = 595 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) - 596 sizeof(struct mwifiex_ie_types_header)); 597 retry_limit->limit = (u8)bss_cfg->retry_limit; 598 cmd_size += sizeof(struct host_cmd_tlv_retry_limit); 599 tlv += sizeof(struct host_cmd_tlv_retry_limit); 600 } 601 if ((bss_cfg->protocol & PROTOCOL_WPA) || 602 (bss_cfg->protocol & PROTOCOL_WPA2) || 603 (bss_cfg->protocol & PROTOCOL_EAP)) 604 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size); 605 else 606 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size); 607 608 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) || 609 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) { 610 auth_type = (struct host_cmd_tlv_auth_type *)tlv; 611 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); 612 auth_type->header.len = 613 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) - 614 sizeof(struct mwifiex_ie_types_header)); 615 auth_type->auth_type = (u8)bss_cfg->auth_mode; 616 cmd_size += sizeof(struct host_cmd_tlv_auth_type); 617 tlv += sizeof(struct host_cmd_tlv_auth_type); 618 } 619 if (bss_cfg->protocol) { 620 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv; 621 encrypt_protocol->header.type = 622 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL); 623 encrypt_protocol->header.len = 624 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol) 625 - sizeof(struct mwifiex_ie_types_header)); 626 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol); 627 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol); 628 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); 629 } 630 631 if (bss_cfg->ht_cap.cap_info) { 632 htcap = (struct mwifiex_ie_types_htcap *)tlv; 633 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); 634 htcap->header.len = 635 cpu_to_le16(sizeof(struct ieee80211_ht_cap)); 636 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info; 637 htcap->ht_cap.ampdu_params_info = 638 bss_cfg->ht_cap.ampdu_params_info; 639 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs, 640 sizeof(struct ieee80211_mcs_info)); 641 htcap->ht_cap.extended_ht_cap_info = 642 bss_cfg->ht_cap.extended_ht_cap_info; 643 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info; 644 htcap->ht_cap.antenna_selection_info = 645 bss_cfg->ht_cap.antenna_selection_info; 646 cmd_size += sizeof(struct mwifiex_ie_types_htcap); 647 tlv += sizeof(struct mwifiex_ie_types_htcap); 648 } 649 650 if (bss_cfg->wmm_info.qos_info != 0xFF) { 651 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv; 652 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC); 653 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info)); 654 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info, 655 sizeof(wmm_cap->wmm_info)); 656 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap); 657 tlv += sizeof(struct mwifiex_ie_types_wmmcap); 658 } 659 660 if (bss_cfg->sta_ao_timer) { 661 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 662 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER); 663 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) - 664 sizeof(struct mwifiex_ie_types_header)); 665 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer); 666 cmd_size += sizeof(*ao_timer); 667 tlv += sizeof(*ao_timer); 668 } 669 670 if (bss_cfg->power_constraint) { 671 pwr_ct = (void *)tlv; 672 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT); 673 pwr_ct->header.len = cpu_to_le16(sizeof(u8)); 674 pwr_ct->constraint = bss_cfg->power_constraint; 675 cmd_size += sizeof(*pwr_ct); 676 tlv += sizeof(*pwr_ct); 677 } 678 679 if (bss_cfg->ps_sta_ao_timer) { 680 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 681 ps_ao_timer->header.type = 682 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER); 683 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) - 684 sizeof(struct mwifiex_ie_types_header)); 685 ps_ao_timer->sta_ao_timer = 686 cpu_to_le32(bss_cfg->ps_sta_ao_timer); 687 cmd_size += sizeof(*ps_ao_timer); 688 tlv += sizeof(*ps_ao_timer); 689 } 690 691 *param_size = cmd_size; 692 693 return 0; 694} 695 696/* This function parses custom IEs from IE list and prepares command buffer */ 697static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size) 698{ 699 struct mwifiex_ie_list *ap_ie = cmd_buf; 700 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv; 701 702 if (!ap_ie || !ap_ie->len) 703 return -1; 704 705 *ie_size += le16_to_cpu(ap_ie->len) + 706 sizeof(struct mwifiex_ie_types_header); 707 708 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); 709 tlv_ie->len = ap_ie->len; 710 tlv += sizeof(struct mwifiex_ie_types_header); 711 712 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len)); 713 714 return 0; 715} 716 717/* Parse AP config structure and prepare TLV based command structure 718 * to be sent to FW for uAP configuration 719 */ 720static int 721mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, 722 u32 type, void *cmd_buf) 723{ 724 u8 *tlv; 725 u16 cmd_size, param_size, ie_size; 726 struct host_cmd_ds_sys_config *sys_cfg; 727 728 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG); 729 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); 730 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config; 731 sys_cfg->action = cpu_to_le16(cmd_action); 732 tlv = sys_cfg->tlv; 733 734 switch (type) { 735 case UAP_BSS_PARAMS_I: 736 param_size = cmd_size; 737 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size)) 738 return -1; 739 cmd->size = cpu_to_le16(param_size); 740 break; 741 case UAP_CUSTOM_IE_I: 742 ie_size = cmd_size; 743 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size)) 744 return -1; 745 cmd->size = cpu_to_le16(ie_size); 746 break; 747 default: 748 return -1; 749 } 750 751 return 0; 752} 753 754/* This function prepares AP specific deauth command with mac supplied in 755 * function parameter. 756 */ 757static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv, 758 struct host_cmd_ds_command *cmd, u8 *mac) 759{ 760 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth; 761 762 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH); 763 memcpy(sta_deauth->mac, mac, ETH_ALEN); 764 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); 765 766 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) + 767 S_DS_GEN); 768 return 0; 769} 770 771/* This function prepares the AP specific commands before sending them 772 * to the firmware. 773 * This is a generic function which calls specific command preparation 774 * routines based upon the command number. 775 */ 776int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, 777 u16 cmd_action, u32 type, 778 void *data_buf, void *cmd_buf) 779{ 780 struct host_cmd_ds_command *cmd = cmd_buf; 781 782 switch (cmd_no) { 783 case HostCmd_CMD_UAP_SYS_CONFIG: 784 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf)) 785 return -1; 786 break; 787 case HostCmd_CMD_UAP_BSS_START: 788 case HostCmd_CMD_UAP_BSS_STOP: 789 case HOST_CMD_APCMD_SYS_RESET: 790 case HOST_CMD_APCMD_STA_LIST: 791 cmd->command = cpu_to_le16(cmd_no); 792 cmd->size = cpu_to_le16(S_DS_GEN); 793 break; 794 case HostCmd_CMD_UAP_STA_DEAUTH: 795 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf)) 796 return -1; 797 break; 798 case HostCmd_CMD_CHAN_REPORT_REQUEST: 799 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf, 800 data_buf)) 801 return -1; 802 break; 803 default: 804 mwifiex_dbg(priv->adapter, ERROR, 805 "PREP_CMD: unknown cmd %#x\n", cmd_no); 806 return -1; 807 } 808 809 return 0; 810} 811 812void mwifiex_uap_set_channel(struct mwifiex_private *priv, 813 struct mwifiex_uap_bss_param *bss_cfg, 814 struct cfg80211_chan_def chandef) 815{ 816 u8 config_bands = 0, old_bands = priv->adapter->config_bands; 817 818 priv->bss_chandef = chandef; 819 820 bss_cfg->channel = ieee80211_frequency_to_channel( 821 chandef.chan->center_freq); 822 823 /* Set appropriate bands */ 824 if (chandef.chan->band == NL80211_BAND_2GHZ) { 825 bss_cfg->band_cfg = BAND_CONFIG_BG; 826 config_bands = BAND_B | BAND_G; 827 828 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) 829 config_bands |= BAND_GN; 830 } else { 831 bss_cfg->band_cfg = BAND_CONFIG_A; 832 config_bands = BAND_A; 833 834 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) 835 config_bands |= BAND_AN; 836 837 if (chandef.width > NL80211_CHAN_WIDTH_40) 838 config_bands |= BAND_AAC; 839 } 840 841 switch (chandef.width) { 842 case NL80211_CHAN_WIDTH_5: 843 case NL80211_CHAN_WIDTH_10: 844 case NL80211_CHAN_WIDTH_20_NOHT: 845 case NL80211_CHAN_WIDTH_20: 846 break; 847 case NL80211_CHAN_WIDTH_40: 848 if (chandef.center_freq1 < chandef.chan->center_freq) 849 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW; 850 else 851 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE; 852 break; 853 case NL80211_CHAN_WIDTH_80: 854 case NL80211_CHAN_WIDTH_80P80: 855 case NL80211_CHAN_WIDTH_160: 856 bss_cfg->band_cfg |= 857 mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4; 858 break; 859 default: 860 mwifiex_dbg(priv->adapter, 861 WARN, "Unknown channel width: %d\n", 862 chandef.width); 863 break; 864 } 865 866 priv->adapter->config_bands = config_bands; 867 868 if (old_bands != config_bands) { 869 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy); 870 mwifiex_dnld_txpwr_table(priv); 871 } 872} 873 874int mwifiex_config_start_uap(struct mwifiex_private *priv, 875 struct mwifiex_uap_bss_param *bss_cfg) 876{ 877 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 878 HostCmd_ACT_GEN_SET, 879 UAP_BSS_PARAMS_I, bss_cfg, true)) { 880 mwifiex_dbg(priv->adapter, ERROR, 881 "Failed to set AP configuration\n"); 882 return -1; 883 } 884 885 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START, 886 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 887 mwifiex_dbg(priv->adapter, ERROR, 888 "Failed to start the BSS\n"); 889 return -1; 890 } 891 892 if (priv->sec_info.wep_enabled) 893 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; 894 else 895 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; 896 897 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, 898 HostCmd_ACT_GEN_SET, 0, 899 &priv->curr_pkt_filter, true)) 900 return -1; 901 902 return 0; 903} 904