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