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 parses BSS related parameters from structure 448 * and prepares TLVs. These TLVs are appended to command buffer. 449 */ 450 static int 451 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) 452 { 453 struct host_cmd_tlv_dtim_period *dtim_period; 454 struct host_cmd_tlv_beacon_period *beacon_period; 455 struct host_cmd_tlv_ssid *ssid; 456 struct host_cmd_tlv_bcast_ssid *bcast_ssid; 457 struct host_cmd_tlv_channel_band *chan_band; 458 struct host_cmd_tlv_frag_threshold *frag_threshold; 459 struct host_cmd_tlv_rts_threshold *rts_threshold; 460 struct host_cmd_tlv_retry_limit *retry_limit; 461 struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; 462 struct host_cmd_tlv_auth_type *auth_type; 463 struct host_cmd_tlv_rates *tlv_rates; 464 struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer; 465 struct host_cmd_tlv_power_constraint *pwr_ct; 466 struct mwifiex_ie_types_htcap *htcap; 467 struct mwifiex_ie_types_wmmcap *wmm_cap; 468 struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; 469 int i; 470 u16 cmd_size = *param_size; 471 472 if (bss_cfg->ssid.ssid_len) { 473 ssid = (struct host_cmd_tlv_ssid *)tlv; 474 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID); 475 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); 476 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); 477 cmd_size += sizeof(struct mwifiex_ie_types_header) + 478 bss_cfg->ssid.ssid_len; 479 tlv += sizeof(struct mwifiex_ie_types_header) + 480 bss_cfg->ssid.ssid_len; 481 482 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv; 483 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID); 484 bcast_ssid->header.len = 485 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl)); 486 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl; 487 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid); 488 tlv += sizeof(struct host_cmd_tlv_bcast_ssid); 489 } 490 if (bss_cfg->rates[0]) { 491 tlv_rates = (struct host_cmd_tlv_rates *)tlv; 492 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES); 493 494 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i]; 495 i++) 496 tlv_rates->rates[i] = bss_cfg->rates[i]; 497 498 tlv_rates->header.len = cpu_to_le16(i); 499 cmd_size += sizeof(struct host_cmd_tlv_rates) + i; 500 tlv += sizeof(struct host_cmd_tlv_rates) + i; 501 } 502 if (bss_cfg->channel && 503 (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG && 504 bss_cfg->channel <= MAX_CHANNEL_BAND_BG) || 505 ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A && 506 bss_cfg->channel <= MAX_CHANNEL_BAND_A))) { 507 chan_band = (struct host_cmd_tlv_channel_band *)tlv; 508 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); 509 chan_band->header.len = 510 cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - 511 sizeof(struct mwifiex_ie_types_header)); 512 chan_band->band_config = bss_cfg->band_cfg; 513 chan_band->channel = bss_cfg->channel; 514 cmd_size += sizeof(struct host_cmd_tlv_channel_band); 515 tlv += sizeof(struct host_cmd_tlv_channel_band); 516 } 517 if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD && 518 bss_cfg->beacon_period <= MAX_BEACON_PERIOD) { 519 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; 520 beacon_period->header.type = 521 cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); 522 beacon_period->header.len = 523 cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - 524 sizeof(struct mwifiex_ie_types_header)); 525 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); 526 cmd_size += sizeof(struct host_cmd_tlv_beacon_period); 527 tlv += sizeof(struct host_cmd_tlv_beacon_period); 528 } 529 if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD && 530 bss_cfg->dtim_period <= MAX_DTIM_PERIOD) { 531 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; 532 dtim_period->header.type = 533 cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); 534 dtim_period->header.len = 535 cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - 536 sizeof(struct mwifiex_ie_types_header)); 537 dtim_period->period = bss_cfg->dtim_period; 538 cmd_size += sizeof(struct host_cmd_tlv_dtim_period); 539 tlv += sizeof(struct host_cmd_tlv_dtim_period); 540 } 541 if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) { 542 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; 543 rts_threshold->header.type = 544 cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD); 545 rts_threshold->header.len = 546 cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) - 547 sizeof(struct mwifiex_ie_types_header)); 548 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold); 549 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 550 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 551 } 552 if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) && 553 (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) { 554 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv; 555 frag_threshold->header.type = 556 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD); 557 frag_threshold->header.len = 558 cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) - 559 sizeof(struct mwifiex_ie_types_header)); 560 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold); 561 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); 562 tlv += sizeof(struct host_cmd_tlv_frag_threshold); 563 } 564 if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) { 565 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv; 566 retry_limit->header.type = 567 cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT); 568 retry_limit->header.len = 569 cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) - 570 sizeof(struct mwifiex_ie_types_header)); 571 retry_limit->limit = (u8)bss_cfg->retry_limit; 572 cmd_size += sizeof(struct host_cmd_tlv_retry_limit); 573 tlv += sizeof(struct host_cmd_tlv_retry_limit); 574 } 575 if ((bss_cfg->protocol & PROTOCOL_WPA) || 576 (bss_cfg->protocol & PROTOCOL_WPA2) || 577 (bss_cfg->protocol & PROTOCOL_EAP)) 578 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size); 579 else 580 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size); 581 582 if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) || 583 (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) { 584 auth_type = (struct host_cmd_tlv_auth_type *)tlv; 585 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); 586 auth_type->header.len = 587 cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) - 588 sizeof(struct mwifiex_ie_types_header)); 589 auth_type->auth_type = (u8)bss_cfg->auth_mode; 590 cmd_size += sizeof(struct host_cmd_tlv_auth_type); 591 tlv += sizeof(struct host_cmd_tlv_auth_type); 592 } 593 if (bss_cfg->protocol) { 594 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv; 595 encrypt_protocol->header.type = 596 cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL); 597 encrypt_protocol->header.len = 598 cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol) 599 - sizeof(struct mwifiex_ie_types_header)); 600 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol); 601 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol); 602 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); 603 } 604 605 if (bss_cfg->ht_cap.cap_info) { 606 htcap = (struct mwifiex_ie_types_htcap *)tlv; 607 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); 608 htcap->header.len = 609 cpu_to_le16(sizeof(struct ieee80211_ht_cap)); 610 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info; 611 htcap->ht_cap.ampdu_params_info = 612 bss_cfg->ht_cap.ampdu_params_info; 613 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs, 614 sizeof(struct ieee80211_mcs_info)); 615 htcap->ht_cap.extended_ht_cap_info = 616 bss_cfg->ht_cap.extended_ht_cap_info; 617 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info; 618 htcap->ht_cap.antenna_selection_info = 619 bss_cfg->ht_cap.antenna_selection_info; 620 cmd_size += sizeof(struct mwifiex_ie_types_htcap); 621 tlv += sizeof(struct mwifiex_ie_types_htcap); 622 } 623 624 if (bss_cfg->wmm_info.qos_info != 0xFF) { 625 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv; 626 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC); 627 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info)); 628 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info, 629 sizeof(wmm_cap->wmm_info)); 630 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap); 631 tlv += sizeof(struct mwifiex_ie_types_wmmcap); 632 } 633 634 if (bss_cfg->sta_ao_timer) { 635 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 636 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER); 637 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) - 638 sizeof(struct mwifiex_ie_types_header)); 639 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer); 640 cmd_size += sizeof(*ao_timer); 641 tlv += sizeof(*ao_timer); 642 } 643 644 if (bss_cfg->power_constraint) { 645 pwr_ct = (void *)tlv; 646 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT); 647 pwr_ct->header.len = cpu_to_le16(sizeof(u8)); 648 pwr_ct->constraint = bss_cfg->power_constraint; 649 cmd_size += sizeof(*pwr_ct); 650 tlv += sizeof(*pwr_ct); 651 } 652 653 if (bss_cfg->ps_sta_ao_timer) { 654 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; 655 ps_ao_timer->header.type = 656 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER); 657 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) - 658 sizeof(struct mwifiex_ie_types_header)); 659 ps_ao_timer->sta_ao_timer = 660 cpu_to_le32(bss_cfg->ps_sta_ao_timer); 661 cmd_size += sizeof(*ps_ao_timer); 662 tlv += sizeof(*ps_ao_timer); 663 } 664 665 *param_size = cmd_size; 666 667 return 0; 668 } 669 670 /* This function parses custom IEs from IE list and prepares command buffer */ 671 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size) 672 { 673 struct mwifiex_ie_list *ap_ie = cmd_buf; 674 struct mwifiex_ie_types_header *tlv_ie = (void *)tlv; 675 676 if (!ap_ie || !ap_ie->len) 677 return -1; 678 679 *ie_size += le16_to_cpu(ap_ie->len) + 680 sizeof(struct mwifiex_ie_types_header); 681 682 tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); 683 tlv_ie->len = ap_ie->len; 684 tlv += sizeof(struct mwifiex_ie_types_header); 685 686 memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len)); 687 688 return 0; 689 } 690 691 /* Parse AP config structure and prepare TLV based command structure 692 * to be sent to FW for uAP configuration 693 */ 694 static int 695 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, 696 u32 type, void *cmd_buf) 697 { 698 u8 *tlv; 699 u16 cmd_size, param_size, ie_size; 700 struct host_cmd_ds_sys_config *sys_cfg; 701 702 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG); 703 cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); 704 sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config; 705 sys_cfg->action = cpu_to_le16(cmd_action); 706 tlv = sys_cfg->tlv; 707 708 switch (type) { 709 case UAP_BSS_PARAMS_I: 710 param_size = cmd_size; 711 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size)) 712 return -1; 713 cmd->size = cpu_to_le16(param_size); 714 break; 715 case UAP_CUSTOM_IE_I: 716 ie_size = cmd_size; 717 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size)) 718 return -1; 719 cmd->size = cpu_to_le16(ie_size); 720 break; 721 default: 722 return -1; 723 } 724 725 return 0; 726 } 727 728 /* This function prepares AP specific deauth command with mac supplied in 729 * function parameter. 730 */ 731 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv, 732 struct host_cmd_ds_command *cmd, u8 *mac) 733 { 734 struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth; 735 736 cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH); 737 memcpy(sta_deauth->mac, mac, ETH_ALEN); 738 sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); 739 740 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) + 741 S_DS_GEN); 742 return 0; 743 } 744 745 /* This function prepares the AP specific commands before sending them 746 * to the firmware. 747 * This is a generic function which calls specific command preparation 748 * routines based upon the command number. 749 */ 750 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, 751 u16 cmd_action, u32 type, 752 void *data_buf, void *cmd_buf) 753 { 754 struct host_cmd_ds_command *cmd = cmd_buf; 755 756 switch (cmd_no) { 757 case HostCmd_CMD_UAP_SYS_CONFIG: 758 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf)) 759 return -1; 760 break; 761 case HostCmd_CMD_UAP_BSS_START: 762 case HostCmd_CMD_UAP_BSS_STOP: 763 case HOST_CMD_APCMD_SYS_RESET: 764 case HOST_CMD_APCMD_STA_LIST: 765 cmd->command = cpu_to_le16(cmd_no); 766 cmd->size = cpu_to_le16(S_DS_GEN); 767 break; 768 case HostCmd_CMD_UAP_STA_DEAUTH: 769 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf)) 770 return -1; 771 break; 772 case HostCmd_CMD_CHAN_REPORT_REQUEST: 773 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf, 774 data_buf)) 775 return -1; 776 break; 777 default: 778 mwifiex_dbg(priv->adapter, ERROR, 779 "PREP_CMD: unknown cmd %#x\n", cmd_no); 780 return -1; 781 } 782 783 return 0; 784 } 785 786 void mwifiex_uap_set_channel(struct mwifiex_private *priv, 787 struct mwifiex_uap_bss_param *bss_cfg, 788 struct cfg80211_chan_def chandef) 789 { 790 u8 config_bands = 0, old_bands = priv->adapter->config_bands; 791 792 priv->bss_chandef = chandef; 793 794 bss_cfg->channel = ieee80211_frequency_to_channel( 795 chandef.chan->center_freq); 796 797 /* Set appropriate bands */ 798 if (chandef.chan->band == NL80211_BAND_2GHZ) { 799 bss_cfg->band_cfg = BAND_CONFIG_BG; 800 config_bands = BAND_B | BAND_G; 801 802 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) 803 config_bands |= BAND_GN; 804 } else { 805 bss_cfg->band_cfg = BAND_CONFIG_A; 806 config_bands = BAND_A; 807 808 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) 809 config_bands |= BAND_AN; 810 811 if (chandef.width > NL80211_CHAN_WIDTH_40) 812 config_bands |= BAND_AAC; 813 } 814 815 switch (chandef.width) { 816 case NL80211_CHAN_WIDTH_5: 817 case NL80211_CHAN_WIDTH_10: 818 case NL80211_CHAN_WIDTH_20_NOHT: 819 case NL80211_CHAN_WIDTH_20: 820 break; 821 case NL80211_CHAN_WIDTH_40: 822 if (chandef.center_freq1 < chandef.chan->center_freq) 823 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW; 824 else 825 bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE; 826 break; 827 case NL80211_CHAN_WIDTH_80: 828 case NL80211_CHAN_WIDTH_80P80: 829 case NL80211_CHAN_WIDTH_160: 830 bss_cfg->band_cfg |= 831 mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4; 832 break; 833 default: 834 mwifiex_dbg(priv->adapter, 835 WARN, "Unknown channel width: %d\n", 836 chandef.width); 837 break; 838 } 839 840 priv->adapter->config_bands = config_bands; 841 842 if (old_bands != config_bands) { 843 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy); 844 mwifiex_dnld_txpwr_table(priv); 845 } 846 } 847 848 int mwifiex_config_start_uap(struct mwifiex_private *priv, 849 struct mwifiex_uap_bss_param *bss_cfg) 850 { 851 enum state_11d_t state_11d; 852 853 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 854 HostCmd_ACT_GEN_SET, 855 UAP_BSS_PARAMS_I, bss_cfg, true)) { 856 mwifiex_dbg(priv->adapter, ERROR, 857 "Failed to set AP configuration\n"); 858 return -1; 859 } 860 861 /* Send cmd to FW to enable 11D function */ 862 state_11d = ENABLE_11D; 863 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 864 HostCmd_ACT_GEN_SET, DOT11D_I, 865 &state_11d, true)) { 866 mwifiex_dbg(priv->adapter, ERROR, 867 "11D: failed to enable 11D\n"); 868 return -1; 869 } 870 871 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START, 872 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 873 mwifiex_dbg(priv->adapter, ERROR, 874 "Failed to start the BSS\n"); 875 return -1; 876 } 877 878 if (priv->sec_info.wep_enabled) 879 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; 880 else 881 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; 882 883 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, 884 HostCmd_ACT_GEN_SET, 0, 885 &priv->curr_pkt_filter, true)) 886 return -1; 887 888 return 0; 889 } 890