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 #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 default: 112 break; 113 } 114 } 115 116 switch (params->crypto.cipher_group) { 117 case WLAN_CIPHER_SUITE_WEP40: 118 case WLAN_CIPHER_SUITE_WEP104: 119 if (priv->sec_info.wep_enabled) { 120 bss_config->protocol = PROTOCOL_STATIC_WEP; 121 bss_config->key_mgmt = KEY_MGMT_NONE; 122 bss_config->wpa_cfg.length = 0; 123 124 for (i = 0; i < NUM_WEP_KEYS; i++) { 125 wep_key = priv->wep_key[i]; 126 bss_config->wep_cfg[i].key_index = i; 127 128 if (priv->wep_key_curr_index == i) 129 bss_config->wep_cfg[i].is_default = 1; 130 else 131 bss_config->wep_cfg[i].is_default = 0; 132 133 bss_config->wep_cfg[i].length = 134 wep_key.key_length; 135 memcpy(&bss_config->wep_cfg[i].key, 136 &wep_key.key_material, 137 wep_key.key_length); 138 } 139 } 140 break; 141 case WLAN_CIPHER_SUITE_TKIP: 142 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; 143 break; 144 case WLAN_CIPHER_SUITE_CCMP: 145 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; 146 break; 147 default: 148 break; 149 } 150 151 return 0; 152 } 153 154 /* This function updates 11n related parameters from IE and sets them into 155 * bss_config structure. 156 */ 157 void 158 mwifiex_set_ht_params(struct mwifiex_private *priv, 159 struct mwifiex_uap_bss_param *bss_cfg, 160 struct cfg80211_ap_settings *params) 161 { 162 const u8 *ht_ie; 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 priv->ap_11n_enabled = 1; 173 } else { 174 memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap)); 175 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP); 176 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU; 177 } 178 179 return; 180 } 181 182 /* This function updates 11ac related parameters from IE 183 * and sets them into bss_config structure. 184 */ 185 void mwifiex_set_vht_params(struct mwifiex_private *priv, 186 struct mwifiex_uap_bss_param *bss_cfg, 187 struct cfg80211_ap_settings *params) 188 { 189 const u8 *vht_ie; 190 191 vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail, 192 params->beacon.tail_len); 193 if (vht_ie) { 194 memcpy(&bss_cfg->vht_cap, vht_ie + 2, 195 sizeof(struct ieee80211_vht_cap)); 196 priv->ap_11ac_enabled = 1; 197 } else { 198 priv->ap_11ac_enabled = 0; 199 } 200 201 return; 202 } 203 204 /* This function updates 11ac related parameters from IE 205 * and sets them into bss_config structure. 206 */ 207 void mwifiex_set_tpc_params(struct mwifiex_private *priv, 208 struct mwifiex_uap_bss_param *bss_cfg, 209 struct cfg80211_ap_settings *params) 210 { 211 const u8 *tpc_ie; 212 213 tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail, 214 params->beacon.tail_len); 215 if (tpc_ie) 216 bss_cfg->power_constraint = *(tpc_ie + 2); 217 else 218 bss_cfg->power_constraint = 0; 219 } 220 221 /* Enable VHT only when cfg80211_ap_settings has VHT IE. 222 * Otherwise disable VHT. 223 */ 224 void mwifiex_set_vht_width(struct mwifiex_private *priv, 225 enum nl80211_chan_width width, 226 bool ap_11ac_enable) 227 { 228 struct mwifiex_adapter *adapter = priv->adapter; 229 struct mwifiex_11ac_vht_cfg vht_cfg; 230 231 vht_cfg.band_config = VHT_CFG_5GHZ; 232 vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap; 233 234 if (!ap_11ac_enable) { 235 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET; 236 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET; 237 } else { 238 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET; 239 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET; 240 } 241 242 vht_cfg.misc_config = VHT_CAP_UAP_ONLY; 243 244 if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80) 245 vht_cfg.misc_config |= VHT_BW_80_160_80P80; 246 247 mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG, 248 HostCmd_ACT_GEN_SET, 0, &vht_cfg, true); 249 250 return; 251 } 252 253 /* This function finds supported rates IE from beacon parameter and sets 254 * these rates into bss_config structure. 255 */ 256 void 257 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg, 258 struct cfg80211_ap_settings *params) 259 { 260 struct ieee_types_header *rate_ie; 261 int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); 262 const u8 *var_pos = params->beacon.head + var_offset; 263 int len = params->beacon.head_len - var_offset; 264 u8 rate_len = 0; 265 266 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len); 267 if (rate_ie) { 268 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES) 269 return; 270 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len); 271 rate_len = rate_ie->len; 272 } 273 274 rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, 275 params->beacon.tail, 276 params->beacon.tail_len); 277 if (rate_ie) { 278 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len) 279 return; 280 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len); 281 } 282 283 return; 284 } 285 286 /* This function initializes some of mwifiex_uap_bss_param variables. 287 * This helps FW in ignoring invalid values. These values may or may not 288 * be get updated to valid ones at later stage. 289 */ 290 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config) 291 { 292 config->bcast_ssid_ctl = 0x7F; 293 config->radio_ctl = 0x7F; 294 config->dtim_period = 0x7F; 295 config->beacon_period = 0x7FFF; 296 config->auth_mode = 0x7F; 297 config->rts_threshold = 0x7FFF; 298 config->frag_threshold = 0x7FFF; 299 config->retry_limit = 0x7F; 300 config->qos_info = 0xFF; 301 } 302 303 /* This function parses BSS related parameters from structure 304 * and prepares TLVs specific to WPA/WPA2 security. 305 * These TLVs are appended to command buffer. 306 */ 307 static void 308 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size) 309 { 310 struct host_cmd_tlv_pwk_cipher *pwk_cipher; 311 struct host_cmd_tlv_gwk_cipher *gwk_cipher; 312 struct host_cmd_tlv_passphrase *passphrase; 313 struct host_cmd_tlv_akmp *tlv_akmp; 314 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 315 u16 cmd_size = *param_size; 316 u8 *tlv = *tlv_buf; 317 318 tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; 319 tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); 320 tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - 321 sizeof(struct mwifiex_ie_types_header)); 322 tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation); 323 tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); 324 cmd_size += sizeof(struct host_cmd_tlv_akmp); 325 tlv += sizeof(struct host_cmd_tlv_akmp); 326 327 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) { 328 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; 329 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); 330 pwk_cipher->header.len = 331 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - 332 sizeof(struct mwifiex_ie_types_header)); 333 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); 334 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa; 335 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); 336 tlv += sizeof(struct host_cmd_tlv_pwk_cipher); 337 } 338 339 if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) { 340 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; 341 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); 342 pwk_cipher->header.len = 343 cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - 344 sizeof(struct mwifiex_ie_types_header)); 345 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2); 346 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2; 347 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); 348 tlv += sizeof(struct host_cmd_tlv_pwk_cipher); 349 } 350 351 if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) { 352 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; 353 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); 354 gwk_cipher->header.len = 355 cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) - 356 sizeof(struct mwifiex_ie_types_header)); 357 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; 358 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); 359 tlv += sizeof(struct host_cmd_tlv_gwk_cipher); 360 } 361 362 if (bss_cfg->wpa_cfg.length) { 363 passphrase = (struct host_cmd_tlv_passphrase *)tlv; 364 passphrase->header.type = 365 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); 366 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length); 367 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase, 368 bss_cfg->wpa_cfg.length); 369 cmd_size += sizeof(struct mwifiex_ie_types_header) + 370 bss_cfg->wpa_cfg.length; 371 tlv += sizeof(struct mwifiex_ie_types_header) + 372 bss_cfg->wpa_cfg.length; 373 } 374 375 *param_size = cmd_size; 376 *tlv_buf = tlv; 377 378 return; 379 } 380 381 /* This function parses WMM related parameters from cfg80211_ap_settings 382 * structure and updates bss_config structure. 383 */ 384 void 385 mwifiex_set_wmm_params(struct mwifiex_private *priv, 386 struct mwifiex_uap_bss_param *bss_cfg, 387 struct cfg80211_ap_settings *params) 388 { 389 const u8 *vendor_ie; 390 const u8 *wmm_ie; 391 u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02}; 392 393 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, 394 WLAN_OUI_TYPE_MICROSOFT_WMM, 395 params->beacon.tail, 396 params->beacon.tail_len); 397 if (vendor_ie) { 398 wmm_ie = vendor_ie; 399 if (*(wmm_ie + 1) > sizeof(struct mwifiex_types_wmm_info)) 400 return; 401 memcpy(&bss_cfg->wmm_info, wmm_ie + 402 sizeof(struct ieee_types_header), *(wmm_ie + 1)); 403 priv->wmm_enabled = 1; 404 } else { 405 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info)); 406 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui)); 407 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE; 408 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION; 409 priv->wmm_enabled = 0; 410 } 411 412 bss_cfg->qos_info = 0x00; 413 return; 414 } 415 /* This function parses BSS related parameters from structure 416 * and prepares TLVs specific to WEP encryption. 417 * These TLVs are appended to command buffer. 418 */ 419 static void 420 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size) 421 { 422 struct host_cmd_tlv_wep_key *wep_key; 423 u16 cmd_size = *param_size; 424 int i; 425 u8 *tlv = *tlv_buf; 426 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 427 428 for (i = 0; i < NUM_WEP_KEYS; i++) { 429 if (bss_cfg->wep_cfg[i].length && 430 (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 || 431 bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) { 432 wep_key = (struct host_cmd_tlv_wep_key *)tlv; 433 wep_key->header.type = 434 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY); 435 wep_key->header.len = 436 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2); 437 wep_key->key_index = bss_cfg->wep_cfg[i].key_index; 438 wep_key->is_default = bss_cfg->wep_cfg[i].is_default; 439 memcpy(wep_key->key, bss_cfg->wep_cfg[i].key, 440 bss_cfg->wep_cfg[i].length); 441 cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 + 442 bss_cfg->wep_cfg[i].length; 443 tlv += sizeof(struct mwifiex_ie_types_header) + 2 + 444 bss_cfg->wep_cfg[i].length; 445 } 446 } 447 448 *param_size = cmd_size; 449 *tlv_buf = tlv; 450 451 return; 452 } 453 454 /* This function enable 11D if userspace set the country IE. 455 */ 456 void mwifiex_config_uap_11d(struct mwifiex_private *priv, 457 struct cfg80211_beacon_data *beacon_data) 458 { 459 enum state_11d_t state_11d; 460 const u8 *country_ie; 461 462 country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail, 463 beacon_data->tail_len); 464 if (country_ie) { 465 /* Send cmd to FW to enable 11D function */ 466 state_11d = ENABLE_11D; 467 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 468 HostCmd_ACT_GEN_SET, DOT11D_I, 469 &state_11d, true)) { 470 mwifiex_dbg(priv->adapter, ERROR, 471 "11D: failed to enable 11D\n"); 472 } 473 } 474 } 475 476 /* This function parses BSS related parameters from structure 477 * and prepares TLVs. These TLVs are appended to command buffer. 478 */ 479 static int 480 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) 481 { 482 struct host_cmd_tlv_dtim_period *dtim_period; 483 struct host_cmd_tlv_beacon_period *beacon_period; 484 struct host_cmd_tlv_ssid *ssid; 485 struct host_cmd_tlv_bcast_ssid *bcast_ssid; 486 struct host_cmd_tlv_channel_band *chan_band; 487 struct host_cmd_tlv_frag_threshold *frag_threshold; 488 struct host_cmd_tlv_rts_threshold *rts_threshold; 489 struct host_cmd_tlv_retry_limit *retry_limit; 490 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; 491 struct host_cmd_tlv_auth_type *auth_type; 492 struct host_cmd_tlv_rates *tlv_rates; 493 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer; 494 struct host_cmd_tlv_power_constraint *pwr_ct; 495 struct mwifiex_ie_types_htcap *htcap; 496 struct mwifiex_ie_types_wmmcap *wmm_cap; 497 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 498 int i; 499 u16 cmd_size = *param_size; 500 501 if (bss_cfg->ssid.ssid_len) { 502 ssid = (struct host_cmd_tlv_ssid *)tlv; 503 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID); 504 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); 505 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); 506 cmd_size += sizeof(struct mwifiex_ie_types_header) + 507 bss_cfg->ssid.ssid_len; 508 tlv += sizeof(struct mwifiex_ie_types_header) + 509 bss_cfg->ssid.ssid_len; 510 511 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv; 512 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID); 513 bcast_ssid->header.len = 514 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl)); 515 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl; 516 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid); 517 tlv += sizeof(struct host_cmd_tlv_bcast_ssid); 518 } 519 if (bss_cfg->rates[0]) { 520 tlv_rates = (struct host_cmd_tlv_rates *)tlv; 521 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES); 522 523 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i]; 524 i++) 525 tlv_rates->rates[i] = bss_cfg->rates[i]; 526 527 tlv_rates->header.len = cpu_to_le16(i); 528 cmd_size += sizeof(struct host_cmd_tlv_rates) + i; 529 tlv += sizeof(struct host_cmd_tlv_rates) + i; 530 } 531 if (bss_cfg->channel && 532 (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG && 533 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) || 534 ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A && 535 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) { 536 chan_band = (struct host_cmd_tlv_channel_band *)tlv; 537 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); 538 chan_band->header.len = 539 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - 540 sizeof(struct mwifiex_ie_types_header)); 541 chan_band->band_config = bss_cfg->band_cfg; 542 chan_band->channel = bss_cfg->channel; 543 cmd_size += sizeof(struct host_cmd_tlv_channel_band); 544 tlv += sizeof(struct host_cmd_tlv_channel_band); 545 } 546 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD && 547 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) { 548 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; 549 beacon_period->header.type = 550 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); 551 beacon_period->header.len = 552 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - 553 sizeof(struct mwifiex_ie_types_header)); 554 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); 555 cmd_size += sizeof(struct host_cmd_tlv_beacon_period); 556 tlv += sizeof(struct host_cmd_tlv_beacon_period); 557 } 558 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD && 559 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) { 560 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; 561 dtim_period->header.type = 562 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); 563 dtim_period->header.len = 564 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - 565 sizeof(struct mwifiex_ie_types_header)); 566 dtim_period->period = bss_cfg->dtim_period; 567 cmd_size += sizeof(struct host_cmd_tlv_dtim_period); 568 tlv += sizeof(struct host_cmd_tlv_dtim_period); 569 } 570 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) { 571 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; 572 rts_threshold->header.type = 573 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD); 574 rts_threshold->header.len = 575 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) - 576 sizeof(struct mwifiex_ie_types_header)); 577 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold); 578 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 579 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 580 } 581 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) && 582 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) { 583 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv; 584 frag_threshold->header.type = 585 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD); 586 frag_threshold->header.len = 587 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) - 588 sizeof(struct mwifiex_ie_types_header)); 589 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold); 590 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 591 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 592 } 593 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) { 594 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv; 595 retry_limit->header.type = 596 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT); 597 retry_limit->header.len = 598 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) - 599 sizeof(struct mwifiex_ie_types_header)); 600 retry_limit->limit = (u8)bss_cfg->retry_limit; 601 cmd_size += sizeof(struct host_cmd_tlv_retry_limit); 602 tlv += sizeof(struct host_cmd_tlv_retry_limit); 603 } 604 if ((bss_cfg->protocol & PROTOCOL_WPA) || 605 (bss_cfg->protocol & PROTOCOL_WPA2) || 606 (bss_cfg->protocol & PROTOCOL_EAP)) 607 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size); 608 else 609 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size); 610 611 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) || 612 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) { 613 auth_type = (struct host_cmd_tlv_auth_type *)tlv; 614 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); 615 auth_type->header.len = 616 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) - 617 sizeof(struct mwifiex_ie_types_header)); 618 auth_type->auth_type = (u8)bss_cfg->auth_mode; 619 cmd_size += sizeof(struct host_cmd_tlv_auth_type); 620 tlv += sizeof(struct host_cmd_tlv_auth_type); 621 } 622 if (bss_cfg->protocol) { 623 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv; 624 encrypt_protocol->header.type = 625 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL); 626 encrypt_protocol->header.len = 627 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol) 628 - sizeof(struct mwifiex_ie_types_header)); 629 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol); 630 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol); 631 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); 632 } 633 634 if (bss_cfg->ht_cap.cap_info) { 635 htcap = (struct mwifiex_ie_types_htcap *)tlv; 636 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); 637 htcap->header.len = 638 cpu_to_le16(sizeof(struct ieee80211_ht_cap)); 639 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info; 640 htcap->ht_cap.ampdu_params_info = 641 bss_cfg->ht_cap.ampdu_params_info; 642 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs, 643 sizeof(struct ieee80211_mcs_info)); 644 htcap->ht_cap.extended_ht_cap_info = 645 bss_cfg->ht_cap.extended_ht_cap_info; 646 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info; 647 htcap->ht_cap.antenna_selection_info = 648 bss_cfg->ht_cap.antenna_selection_info; 649 cmd_size += sizeof(struct mwifiex_ie_types_htcap); 650 tlv += sizeof(struct mwifiex_ie_types_htcap); 651 } 652 653 if (bss_cfg->wmm_info.qos_info != 0xFF) { 654 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv; 655 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC); 656 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info)); 657 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info, 658 sizeof(wmm_cap->wmm_info)); 659 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap); 660 tlv += sizeof(struct mwifiex_ie_types_wmmcap); 661 } 662 663 if (bss_cfg->sta_ao_timer) { 664 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 665 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER); 666 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) - 667 sizeof(struct mwifiex_ie_types_header)); 668 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer); 669 cmd_size += sizeof(*ao_timer); 670 tlv += sizeof(*ao_timer); 671 } 672 673 if (bss_cfg->power_constraint) { 674 pwr_ct = (void *)tlv; 675 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT); 676 pwr_ct->header.len = cpu_to_le16(sizeof(u8)); 677 pwr_ct->constraint = bss_cfg->power_constraint; 678 cmd_size += sizeof(*pwr_ct); 679 tlv += sizeof(*pwr_ct); 680 } 681 682 if (bss_cfg->ps_sta_ao_timer) { 683 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 684 ps_ao_timer->header.type = 685 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER); 686 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) - 687 sizeof(struct mwifiex_ie_types_header)); 688 ps_ao_timer->sta_ao_timer = 689 cpu_to_le32(bss_cfg->ps_sta_ao_timer); 690 cmd_size += sizeof(*ps_ao_timer); 691 tlv += sizeof(*ps_ao_timer); 692 } 693 694 *param_size = cmd_size; 695 696 return 0; 697 } 698 699 /* This function parses custom IEs from IE list and prepares command buffer */ 700 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size) 701 { 702 struct mwifiex_ie_list *ap_ie = cmd_buf; 703 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv; 704 705 if (!ap_ie || !ap_ie->len) 706 return -1; 707 708 *ie_size += le16_to_cpu(ap_ie->len) + 709 sizeof(struct mwifiex_ie_types_header); 710 711 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); 712 tlv_ie->len = ap_ie->len; 713 tlv += sizeof(struct mwifiex_ie_types_header); 714 715 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len)); 716 717 return 0; 718 } 719 720 /* Parse AP config structure and prepare TLV based command structure 721 * to be sent to FW for uAP configuration 722 */ 723 static int 724 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, 725 u32 type, void *cmd_buf) 726 { 727 u8 *tlv; 728 u16 cmd_size, param_size, ie_size; 729 struct host_cmd_ds_sys_config *sys_cfg; 730 731 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG); 732 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); 733 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config; 734 sys_cfg->action = cpu_to_le16(cmd_action); 735 tlv = sys_cfg->tlv; 736 737 switch (type) { 738 case UAP_BSS_PARAMS_I: 739 param_size = cmd_size; 740 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size)) 741 return -1; 742 cmd->size = cpu_to_le16(param_size); 743 break; 744 case UAP_CUSTOM_IE_I: 745 ie_size = cmd_size; 746 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size)) 747 return -1; 748 cmd->size = cpu_to_le16(ie_size); 749 break; 750 default: 751 return -1; 752 } 753 754 return 0; 755 } 756 757 /* This function prepares AP specific deauth command with mac supplied in 758 * function parameter. 759 */ 760 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv, 761 struct host_cmd_ds_command *cmd, u8 *mac) 762 { 763 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth; 764 765 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH); 766 memcpy(sta_deauth->mac, mac, ETH_ALEN); 767 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); 768 769 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) + 770 S_DS_GEN); 771 return 0; 772 } 773 774 /* This function prepares the AP specific commands before sending them 775 * to the firmware. 776 * This is a generic function which calls specific command preparation 777 * routines based upon the command number. 778 */ 779 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, 780 u16 cmd_action, u32 type, 781 void *data_buf, void *cmd_buf) 782 { 783 struct host_cmd_ds_command *cmd = cmd_buf; 784 785 switch (cmd_no) { 786 case HostCmd_CMD_UAP_SYS_CONFIG: 787 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf)) 788 return -1; 789 break; 790 case HostCmd_CMD_UAP_BSS_START: 791 case HostCmd_CMD_UAP_BSS_STOP: 792 case HOST_CMD_APCMD_SYS_RESET: 793 case HOST_CMD_APCMD_STA_LIST: 794 cmd->command = cpu_to_le16(cmd_no); 795 cmd->size = cpu_to_le16(S_DS_GEN); 796 break; 797 case HostCmd_CMD_UAP_STA_DEAUTH: 798 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf)) 799 return -1; 800 break; 801 case HostCmd_CMD_CHAN_REPORT_REQUEST: 802 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf, 803 data_buf)) 804 return -1; 805 break; 806 default: 807 mwifiex_dbg(priv->adapter, ERROR, 808 "PREP_CMD: unknown cmd %#x\n", cmd_no); 809 return -1; 810 } 811 812 return 0; 813 } 814 815 void mwifiex_uap_set_channel(struct mwifiex_private *priv, 816 struct mwifiex_uap_bss_param *bss_cfg, 817 struct cfg80211_chan_def chandef) 818 { 819 u8 config_bands = 0, old_bands = priv->adapter->config_bands; 820 821 priv->bss_chandef = chandef; 822 823 bss_cfg->channel = ieee80211_frequency_to_channel( 824 chandef.chan->center_freq); 825 826 /* Set appropriate bands */ 827 if (chandef.chan->band == NL80211_BAND_2GHZ) { 828 bss_cfg->band_cfg = BAND_CONFIG_BG; 829 config_bands = BAND_B | BAND_G; 830 831 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) 832 config_bands |= BAND_GN; 833 } else { 834 bss_cfg->band_cfg = BAND_CONFIG_A; 835 config_bands = BAND_A; 836 837 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) 838 config_bands |= BAND_AN; 839 840 if (chandef.width > NL80211_CHAN_WIDTH_40) 841 config_bands |= BAND_AAC; 842 } 843 844 switch (chandef.width) { 845 case NL80211_CHAN_WIDTH_5: 846 case NL80211_CHAN_WIDTH_10: 847 case NL80211_CHAN_WIDTH_20_NOHT: 848 case NL80211_CHAN_WIDTH_20: 849 break; 850 case NL80211_CHAN_WIDTH_40: 851 if (chandef.center_freq1 < chandef.chan->center_freq) 852 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW; 853 else 854 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE; 855 break; 856 case NL80211_CHAN_WIDTH_80: 857 case NL80211_CHAN_WIDTH_80P80: 858 case NL80211_CHAN_WIDTH_160: 859 bss_cfg->band_cfg |= 860 mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4; 861 break; 862 default: 863 mwifiex_dbg(priv->adapter, 864 WARN, "Unknown channel width: %d\n", 865 chandef.width); 866 break; 867 } 868 869 priv->adapter->config_bands = config_bands; 870 871 if (old_bands != config_bands) { 872 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy); 873 mwifiex_dnld_txpwr_table(priv); 874 } 875 } 876 877 int mwifiex_config_start_uap(struct mwifiex_private *priv, 878 struct mwifiex_uap_bss_param *bss_cfg) 879 { 880 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 881 HostCmd_ACT_GEN_SET, 882 UAP_BSS_PARAMS_I, bss_cfg, true)) { 883 mwifiex_dbg(priv->adapter, ERROR, 884 "Failed to set AP configuration\n"); 885 return -1; 886 } 887 888 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START, 889 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 890 mwifiex_dbg(priv->adapter, ERROR, 891 "Failed to start the BSS\n"); 892 return -1; 893 } 894 895 if (priv->sec_info.wep_enabled) 896 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; 897 else 898 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; 899 900 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, 901 HostCmd_ACT_GEN_SET, 0, 902 &priv->curr_pkt_filter, true)) 903 return -1; 904 905 return 0; 906 } 907