1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * NXP Wireless LAN device driver: CFG80211 4 * 5 * Copyright 2011-2020 NXP 6 */ 7 8 #include "cfg80211.h" 9 #include "main.h" 10 #include "11n.h" 11 #include "wmm.h" 12 13 static char *reg_alpha2; 14 module_param(reg_alpha2, charp, 0); 15 16 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { 17 { 18 .max = MWIFIEX_MAX_BSS_NUM, 19 .types = BIT(NL80211_IFTYPE_STATION) | 20 BIT(NL80211_IFTYPE_P2P_GO) | 21 BIT(NL80211_IFTYPE_P2P_CLIENT) | 22 BIT(NL80211_IFTYPE_AP), 23 }, 24 }; 25 26 static const struct ieee80211_iface_combination 27 mwifiex_iface_comb_ap_sta = { 28 .limits = mwifiex_ap_sta_limits, 29 .num_different_channels = 1, 30 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 31 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 32 .beacon_int_infra_match = true, 33 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 34 BIT(NL80211_CHAN_WIDTH_20) | 35 BIT(NL80211_CHAN_WIDTH_40), 36 }; 37 38 static const struct ieee80211_iface_combination 39 mwifiex_iface_comb_ap_sta_vht = { 40 .limits = mwifiex_ap_sta_limits, 41 .num_different_channels = 1, 42 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 43 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 44 .beacon_int_infra_match = true, 45 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 46 BIT(NL80211_CHAN_WIDTH_20) | 47 BIT(NL80211_CHAN_WIDTH_40) | 48 BIT(NL80211_CHAN_WIDTH_80), 49 }; 50 51 static const struct 52 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { 53 .limits = mwifiex_ap_sta_limits, 54 .num_different_channels = 2, 55 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 56 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 57 .beacon_int_infra_match = true, 58 }; 59 60 /* 61 * This function maps the nl802.11 channel type into driver channel type. 62 * 63 * The mapping is as follows - 64 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE 65 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE 66 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE 67 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW 68 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE 69 */ 70 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) 71 { 72 switch (chan_type) { 73 case NL80211_CHAN_NO_HT: 74 case NL80211_CHAN_HT20: 75 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 76 case NL80211_CHAN_HT40PLUS: 77 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; 78 case NL80211_CHAN_HT40MINUS: 79 return IEEE80211_HT_PARAM_CHA_SEC_BELOW; 80 default: 81 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 82 } 83 } 84 85 /* This function maps IEEE HT secondary channel type to NL80211 channel type 86 */ 87 u8 mwifiex_get_chan_type(struct mwifiex_private *priv) 88 { 89 struct mwifiex_channel_band channel_band; 90 int ret; 91 92 ret = mwifiex_get_chan_info(priv, &channel_band); 93 94 if (!ret) { 95 switch (channel_band.band_config.chan_width) { 96 case CHAN_BW_20MHZ: 97 if (IS_11N_ENABLED(priv)) 98 return NL80211_CHAN_HT20; 99 else 100 return NL80211_CHAN_NO_HT; 101 case CHAN_BW_40MHZ: 102 if (channel_band.band_config.chan2_offset == 103 SEC_CHAN_ABOVE) 104 return NL80211_CHAN_HT40PLUS; 105 else 106 return NL80211_CHAN_HT40MINUS; 107 default: 108 return NL80211_CHAN_HT20; 109 } 110 } 111 112 return NL80211_CHAN_HT20; 113 } 114 115 /* 116 * This function checks whether WEP is set. 117 */ 118 static int 119 mwifiex_is_alg_wep(u32 cipher) 120 { 121 switch (cipher) { 122 case WLAN_CIPHER_SUITE_WEP40: 123 case WLAN_CIPHER_SUITE_WEP104: 124 return 1; 125 default: 126 break; 127 } 128 129 return 0; 130 } 131 132 /* 133 * This function retrieves the private structure from kernel wiphy structure. 134 */ 135 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) 136 { 137 return (void *) (*(unsigned long *) wiphy_priv(wiphy)); 138 } 139 140 /* 141 * CFG802.11 operation handler to delete a network key. 142 */ 143 static int 144 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, 145 int link_id, u8 key_index, bool pairwise, 146 const u8 *mac_addr) 147 { 148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 149 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 150 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 151 152 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { 153 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 154 return -EFAULT; 155 } 156 157 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); 158 return 0; 159 } 160 161 /* 162 * This function forms an skb for management frame. 163 */ 164 static int 165 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) 166 { 167 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; 168 u16 pkt_len; 169 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 170 171 pkt_len = len + ETH_ALEN; 172 173 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 174 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 175 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 176 177 memcpy(skb_push(skb, sizeof(tx_control)), 178 &tx_control, sizeof(tx_control)); 179 180 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 181 182 /* Add packet data and address4 */ 183 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr)); 184 skb_put_data(skb, addr, ETH_ALEN); 185 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr), 186 len - sizeof(struct ieee80211_hdr_3addr)); 187 188 skb->priority = LOW_PRIO_TID; 189 __net_timestamp(skb); 190 191 return 0; 192 } 193 194 /* 195 * CFG802.11 operation handler to transmit a management frame. 196 */ 197 static int 198 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 199 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 200 { 201 const u8 *buf = params->buf; 202 size_t len = params->len; 203 struct sk_buff *skb; 204 u16 pkt_len; 205 const struct ieee80211_mgmt *mgmt; 206 struct mwifiex_txinfo *tx_info; 207 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 208 209 if (!buf || !len) { 210 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); 211 return -EFAULT; 212 } 213 214 mgmt = (const struct ieee80211_mgmt *)buf; 215 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && 216 ieee80211_is_probe_resp(mgmt->frame_control)) { 217 /* Since we support offload probe resp, we need to skip probe 218 * resp in AP or GO mode */ 219 mwifiex_dbg(priv->adapter, INFO, 220 "info: skip to send probe resp in AP or GO mode\n"); 221 return 0; 222 } 223 224 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 225 if (ieee80211_is_auth(mgmt->frame_control)) 226 mwifiex_dbg(priv->adapter, MSG, 227 "auth: send auth to %pM\n", mgmt->da); 228 if (ieee80211_is_deauth(mgmt->frame_control)) 229 mwifiex_dbg(priv->adapter, MSG, 230 "auth: send deauth to %pM\n", mgmt->da); 231 if (ieee80211_is_disassoc(mgmt->frame_control)) 232 mwifiex_dbg(priv->adapter, MSG, 233 "assoc: send disassoc to %pM\n", mgmt->da); 234 if (ieee80211_is_assoc_resp(mgmt->frame_control)) 235 mwifiex_dbg(priv->adapter, MSG, 236 "assoc: send assoc resp to %pM\n", 237 mgmt->da); 238 if (ieee80211_is_reassoc_resp(mgmt->frame_control)) 239 mwifiex_dbg(priv->adapter, MSG, 240 "assoc: send reassoc resp to %pM\n", 241 mgmt->da); 242 } 243 244 pkt_len = len + ETH_ALEN; 245 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 246 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 247 pkt_len + sizeof(pkt_len)); 248 249 if (!skb) { 250 mwifiex_dbg(priv->adapter, ERROR, 251 "allocate skb failed for management frame\n"); 252 return -ENOMEM; 253 } 254 255 tx_info = MWIFIEX_SKB_TXCB(skb); 256 memset(tx_info, 0, sizeof(*tx_info)); 257 tx_info->bss_num = priv->bss_num; 258 tx_info->bss_type = priv->bss_type; 259 tx_info->pkt_len = pkt_len; 260 261 mwifiex_form_mgmt_frame(skb, buf, len); 262 *cookie = get_random_u32() | 1; 263 264 if (ieee80211_is_action(mgmt->frame_control)) 265 skb = mwifiex_clone_skb_for_tx_status(priv, 266 skb, 267 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); 268 else 269 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 270 GFP_ATOMIC); 271 272 mwifiex_queue_tx_pkt(priv, skb); 273 274 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 275 return 0; 276 } 277 278 /* 279 * CFG802.11 operation handler to register a mgmt frame. 280 */ 281 static void 282 mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 283 struct wireless_dev *wdev, 284 struct mgmt_frame_regs *upd) 285 { 286 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 287 u32 mask = upd->interface_stypes; 288 289 if (mask != priv->mgmt_frame_mask) { 290 priv->mgmt_frame_mask = mask; 291 if (priv->host_mlme_reg) 292 priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; 293 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 294 HostCmd_ACT_GEN_SET, 0, 295 &priv->mgmt_frame_mask, false); 296 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 297 } 298 } 299 300 /* 301 * CFG802.11 operation handler to remain on channel. 302 */ 303 static int 304 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 305 struct wireless_dev *wdev, 306 struct ieee80211_channel *chan, 307 unsigned int duration, u64 *cookie) 308 { 309 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 310 int ret; 311 312 if (!chan || !cookie) { 313 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); 314 return -EINVAL; 315 } 316 317 if (priv->roc_cfg.cookie) { 318 mwifiex_dbg(priv->adapter, INFO, 319 "info: ongoing ROC, cookie = 0x%llx\n", 320 priv->roc_cfg.cookie); 321 return -EBUSY; 322 } 323 324 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, 325 duration); 326 327 if (!ret) { 328 *cookie = get_random_u32() | 1; 329 priv->roc_cfg.cookie = *cookie; 330 priv->roc_cfg.chan = *chan; 331 332 cfg80211_ready_on_channel(wdev, *cookie, chan, 333 duration, GFP_ATOMIC); 334 335 mwifiex_dbg(priv->adapter, INFO, 336 "info: ROC, cookie = 0x%llx\n", *cookie); 337 } 338 339 return ret; 340 } 341 342 /* 343 * CFG802.11 operation handler to cancel remain on channel. 344 */ 345 static int 346 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 347 struct wireless_dev *wdev, u64 cookie) 348 { 349 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 350 int ret; 351 352 if (cookie != priv->roc_cfg.cookie) 353 return -ENOENT; 354 355 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 356 &priv->roc_cfg.chan, 0); 357 358 if (!ret) { 359 cfg80211_remain_on_channel_expired(wdev, cookie, 360 &priv->roc_cfg.chan, 361 GFP_ATOMIC); 362 363 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 364 365 mwifiex_dbg(priv->adapter, INFO, 366 "info: cancel ROC, cookie = 0x%llx\n", cookie); 367 } 368 369 return ret; 370 } 371 372 /* 373 * CFG802.11 operation handler to set Tx power. 374 */ 375 static int 376 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 377 struct wireless_dev *wdev, 378 enum nl80211_tx_power_setting type, 379 int mbm) 380 { 381 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 382 struct mwifiex_private *priv; 383 struct mwifiex_power_cfg power_cfg; 384 int dbm = MBM_TO_DBM(mbm); 385 386 switch (type) { 387 case NL80211_TX_POWER_FIXED: 388 power_cfg.is_power_auto = 0; 389 power_cfg.is_power_fixed = 1; 390 power_cfg.power_level = dbm; 391 break; 392 case NL80211_TX_POWER_LIMITED: 393 power_cfg.is_power_auto = 0; 394 power_cfg.is_power_fixed = 0; 395 power_cfg.power_level = dbm; 396 break; 397 case NL80211_TX_POWER_AUTOMATIC: 398 power_cfg.is_power_auto = 1; 399 break; 400 } 401 402 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 403 404 return mwifiex_set_tx_power(priv, &power_cfg); 405 } 406 407 /* 408 * CFG802.11 operation handler to get Tx power. 409 */ 410 static int 411 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, 412 struct wireless_dev *wdev, 413 unsigned int link_id, int *dbm) 414 { 415 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 416 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 417 MWIFIEX_BSS_ROLE_ANY); 418 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 419 HostCmd_ACT_GEN_GET, 0, NULL, true); 420 421 if (ret < 0) 422 return ret; 423 424 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 425 *dbm = priv->tx_power_level; 426 427 return 0; 428 } 429 430 /* 431 * CFG802.11 operation handler to set Power Save option. 432 * 433 * The timeout value, if provided, is currently ignored. 434 */ 435 static int 436 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 437 struct net_device *dev, 438 bool enabled, int timeout) 439 { 440 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 441 u32 ps_mode; 442 443 if (timeout) 444 mwifiex_dbg(priv->adapter, INFO, 445 "info: ignore timeout value for IEEE Power Save\n"); 446 447 ps_mode = enabled; 448 449 return mwifiex_drv_set_power(priv, &ps_mode); 450 } 451 452 /* 453 * CFG802.11 operation handler to set the default network key. 454 */ 455 static int 456 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 457 int link_id, u8 key_index, bool unicast, 458 bool multicast) 459 { 460 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 461 462 /* Return if WEP key not configured */ 463 if (!priv->sec_info.wep_enabled) 464 return 0; 465 466 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 467 priv->wep_key_curr_index = key_index; 468 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 469 NULL, 0)) { 470 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 471 return -EFAULT; 472 } 473 474 return 0; 475 } 476 477 /* 478 * CFG802.11 operation handler to add a network key. 479 */ 480 static int 481 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 482 int link_id, u8 key_index, bool pairwise, 483 const u8 *mac_addr, struct key_params *params) 484 { 485 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 486 struct mwifiex_wep_key *wep_key; 487 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 488 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 489 490 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 491 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 492 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 493 if (params->key && params->key_len) { 494 wep_key = &priv->wep_key[key_index]; 495 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 496 memcpy(wep_key->key_material, params->key, 497 params->key_len); 498 wep_key->key_index = key_index; 499 wep_key->key_length = params->key_len; 500 priv->sec_info.wep_enabled = 1; 501 } 502 return 0; 503 } 504 505 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 506 key_index, peer_mac, 0)) { 507 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 508 return -EFAULT; 509 } 510 511 return 0; 512 } 513 514 /* 515 * CFG802.11 operation handler to set default mgmt key. 516 */ 517 static int 518 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, 519 struct net_device *netdev, 520 int link_id, 521 u8 key_index) 522 { 523 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 524 struct mwifiex_ds_encrypt_key encrypt_key; 525 526 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); 527 528 if (priv->adapter->host_mlme_enabled) 529 return 0; 530 531 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); 532 encrypt_key.key_len = WLAN_KEY_LEN_CCMP; 533 encrypt_key.key_index = key_index; 534 encrypt_key.is_igtk_def_key = true; 535 eth_broadcast_addr(encrypt_key.mac_addr); 536 537 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 538 HostCmd_ACT_GEN_SET, true, &encrypt_key, true)) { 539 mwifiex_dbg(priv->adapter, ERROR, 540 "Sending KEY_MATERIAL command failed\n"); 541 return -1; 542 } 543 544 return 0; 545 } 546 547 /* 548 * This function sends domain information to the firmware. 549 * 550 * The following information are passed to the firmware - 551 * - Country codes 552 * - Sub bands (first channel, number of channels, maximum Tx power) 553 */ 554 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 555 { 556 u8 no_of_triplet = 0; 557 struct ieee80211_country_ie_triplet *t; 558 u8 no_of_parsed_chan = 0; 559 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 560 u8 i, flag = 0; 561 enum nl80211_band band; 562 struct ieee80211_supported_band *sband; 563 struct ieee80211_channel *ch; 564 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 565 struct mwifiex_private *priv; 566 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 567 568 /* Set country code */ 569 domain_info->country_code[0] = adapter->country_code[0]; 570 domain_info->country_code[1] = adapter->country_code[1]; 571 domain_info->country_code[2] = ' '; 572 573 band = mwifiex_band_to_radio_type(adapter->config_bands); 574 if (!wiphy->bands[band]) { 575 mwifiex_dbg(adapter, ERROR, 576 "11D: setting domain info in FW\n"); 577 return -1; 578 } 579 580 sband = wiphy->bands[band]; 581 582 for (i = 0; i < sband->n_channels ; i++) { 583 ch = &sband->channels[i]; 584 if (ch->flags & IEEE80211_CHAN_DISABLED) 585 continue; 586 587 if (!flag) { 588 flag = 1; 589 first_chan = (u32) ch->hw_value; 590 next_chan = first_chan; 591 max_pwr = ch->max_power; 592 no_of_parsed_chan = 1; 593 continue; 594 } 595 596 if (ch->hw_value == next_chan + 1 && 597 ch->max_power == max_pwr) { 598 next_chan++; 599 no_of_parsed_chan++; 600 } else { 601 t = &domain_info->triplet[no_of_triplet]; 602 t->chans.first_channel = first_chan; 603 t->chans.num_channels = no_of_parsed_chan; 604 t->chans.max_power = max_pwr; 605 no_of_triplet++; 606 first_chan = (u32) ch->hw_value; 607 next_chan = first_chan; 608 max_pwr = ch->max_power; 609 no_of_parsed_chan = 1; 610 } 611 } 612 613 if (flag) { 614 t = &domain_info->triplet[no_of_triplet]; 615 t->chans.first_channel = first_chan; 616 t->chans.num_channels = no_of_parsed_chan; 617 t->chans.max_power = max_pwr; 618 no_of_triplet++; 619 } 620 621 domain_info->no_of_triplet = no_of_triplet; 622 623 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 624 625 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 626 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 627 mwifiex_dbg(adapter, INFO, 628 "11D: setting domain info in FW\n"); 629 return -1; 630 } 631 632 return 0; 633 } 634 635 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy) 636 { 637 struct ieee80211_supported_band *sband; 638 struct ieee80211_channel *chan; 639 unsigned int i; 640 641 if (!wiphy->bands[NL80211_BAND_5GHZ]) 642 return; 643 sband = wiphy->bands[NL80211_BAND_5GHZ]; 644 645 for (i = 0; i < sband->n_channels; i++) { 646 chan = &sband->channels[i]; 647 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && 648 (chan->flags & IEEE80211_CHAN_RADAR)) 649 chan->flags |= IEEE80211_CHAN_NO_IR; 650 } 651 } 652 653 /* 654 * CFG802.11 regulatory domain callback function. 655 * 656 * This function is called when the regulatory domain is changed due to the 657 * following reasons - 658 * - Set by driver 659 * - Set by system core 660 * - Set by user 661 * - Set bt Country IE 662 */ 663 static void mwifiex_reg_notifier(struct wiphy *wiphy, 664 struct regulatory_request *request) 665 { 666 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 667 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 668 MWIFIEX_BSS_ROLE_ANY); 669 mwifiex_dbg(adapter, INFO, 670 "info: cfg80211 regulatory domain callback for %c%c\n", 671 request->alpha2[0], request->alpha2[1]); 672 mwifiex_reg_apply_radar_flags(wiphy); 673 674 switch (request->initiator) { 675 case NL80211_REGDOM_SET_BY_DRIVER: 676 case NL80211_REGDOM_SET_BY_CORE: 677 case NL80211_REGDOM_SET_BY_USER: 678 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 679 break; 680 default: 681 mwifiex_dbg(adapter, ERROR, 682 "unknown regdom initiator: %d\n", 683 request->initiator); 684 return; 685 } 686 687 /* Don't send world or same regdom info to firmware */ 688 if (strncmp(request->alpha2, "00", 2) && 689 strncmp(request->alpha2, adapter->country_code, 690 sizeof(request->alpha2))) { 691 memcpy(adapter->country_code, request->alpha2, 692 sizeof(request->alpha2)); 693 mwifiex_send_domain_info_cmd_fw(wiphy); 694 mwifiex_dnld_txpwr_table(priv); 695 } 696 } 697 698 /* 699 * This function sets the fragmentation threshold. 700 * 701 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 702 * and MWIFIEX_FRAG_MAX_VALUE. 703 */ 704 static int 705 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 706 { 707 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 708 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 709 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 710 711 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 712 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 713 &frag_thr, true); 714 } 715 716 /* 717 * This function sets the RTS threshold. 718 719 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 720 * and MWIFIEX_RTS_MAX_VALUE. 721 */ 722 static int 723 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 724 { 725 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 726 rts_thr = MWIFIEX_RTS_MAX_VALUE; 727 728 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 729 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 730 &rts_thr, true); 731 } 732 733 /* 734 * CFG802.11 operation handler to set wiphy parameters. 735 * 736 * This function can be used to set the RTS threshold and the 737 * Fragmentation threshold of the driver. 738 */ 739 static int 740 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 741 { 742 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 743 struct mwifiex_private *priv; 744 struct mwifiex_uap_bss_param *bss_cfg; 745 int ret; 746 747 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 748 749 switch (priv->bss_role) { 750 case MWIFIEX_BSS_ROLE_UAP: 751 if (priv->bss_started) { 752 mwifiex_dbg(adapter, ERROR, 753 "cannot change wiphy params when bss started"); 754 return -EINVAL; 755 } 756 757 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 758 if (!bss_cfg) 759 return -ENOMEM; 760 761 mwifiex_set_sys_config_invalid_data(bss_cfg); 762 763 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 764 bss_cfg->rts_threshold = wiphy->rts_threshold; 765 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 766 bss_cfg->frag_threshold = wiphy->frag_threshold; 767 if (changed & WIPHY_PARAM_RETRY_LONG) 768 bss_cfg->retry_limit = wiphy->retry_long; 769 770 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 771 HostCmd_ACT_GEN_SET, 772 UAP_BSS_PARAMS_I, bss_cfg, 773 false); 774 775 kfree(bss_cfg); 776 if (ret) { 777 mwifiex_dbg(adapter, ERROR, 778 "Failed to set wiphy phy params\n"); 779 return ret; 780 } 781 break; 782 783 case MWIFIEX_BSS_ROLE_STA: 784 if (priv->media_connected) { 785 mwifiex_dbg(adapter, ERROR, 786 "cannot change wiphy params when connected"); 787 return -EINVAL; 788 } 789 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 790 ret = mwifiex_set_rts(priv, 791 wiphy->rts_threshold); 792 if (ret) 793 return ret; 794 } 795 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 796 ret = mwifiex_set_frag(priv, 797 wiphy->frag_threshold); 798 if (ret) 799 return ret; 800 } 801 break; 802 } 803 804 return 0; 805 } 806 807 static int 808 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 809 { 810 u16 mode = P2P_MODE_DISABLE; 811 812 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 813 HostCmd_ACT_GEN_SET, 0, &mode, true)) 814 return -1; 815 816 return 0; 817 } 818 819 /* 820 * This function initializes the functionalities for P2P client. 821 * The P2P client initialization sequence is: 822 * disable -> device -> client 823 */ 824 static int 825 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 826 { 827 u16 mode; 828 829 if (mwifiex_cfg80211_deinit_p2p(priv)) 830 return -1; 831 832 mode = P2P_MODE_DEVICE; 833 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 834 HostCmd_ACT_GEN_SET, 0, &mode, true)) 835 return -1; 836 837 mode = P2P_MODE_CLIENT; 838 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 839 HostCmd_ACT_GEN_SET, 0, &mode, true)) 840 return -1; 841 842 return 0; 843 } 844 845 /* 846 * This function initializes the functionalities for P2P GO. 847 * The P2P GO initialization sequence is: 848 * disable -> device -> GO 849 */ 850 static int 851 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 852 { 853 u16 mode; 854 855 if (mwifiex_cfg80211_deinit_p2p(priv)) 856 return -1; 857 858 mode = P2P_MODE_DEVICE; 859 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 860 HostCmd_ACT_GEN_SET, 0, &mode, true)) 861 return -1; 862 863 mode = P2P_MODE_GO; 864 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 865 HostCmd_ACT_GEN_SET, 0, &mode, true)) 866 return -1; 867 868 return 0; 869 } 870 871 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 872 { 873 struct mwifiex_adapter *adapter = priv->adapter; 874 unsigned long flags; 875 876 priv->host_mlme_reg = false; 877 priv->mgmt_frame_mask = 0; 878 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 879 HostCmd_ACT_GEN_SET, 0, 880 &priv->mgmt_frame_mask, false)) { 881 mwifiex_dbg(adapter, ERROR, 882 "could not unregister mgmt frame rx\n"); 883 return -1; 884 } 885 886 mwifiex_deauthenticate(priv, NULL); 887 888 spin_lock_irqsave(&adapter->main_proc_lock, flags); 889 adapter->main_locked = true; 890 if (adapter->mwifiex_processing) { 891 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 892 flush_workqueue(adapter->workqueue); 893 } else { 894 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 895 } 896 897 spin_lock_bh(&adapter->rx_proc_lock); 898 adapter->rx_locked = true; 899 if (adapter->rx_processing) { 900 spin_unlock_bh(&adapter->rx_proc_lock); 901 flush_workqueue(adapter->rx_workqueue); 902 } else { 903 spin_unlock_bh(&adapter->rx_proc_lock); 904 } 905 906 mwifiex_free_priv(priv); 907 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 908 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 909 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 910 911 return 0; 912 } 913 914 static int 915 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 916 struct net_device *dev, 917 enum nl80211_iftype type) 918 { 919 struct mwifiex_adapter *adapter = priv->adapter; 920 unsigned long flags; 921 922 mwifiex_init_priv(priv); 923 924 priv->bss_mode = type; 925 priv->wdev.iftype = type; 926 927 mwifiex_init_priv_params(priv, priv->netdev); 928 priv->bss_started = 0; 929 930 switch (type) { 931 case NL80211_IFTYPE_STATION: 932 case NL80211_IFTYPE_ADHOC: 933 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 934 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 935 break; 936 case NL80211_IFTYPE_P2P_CLIENT: 937 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 938 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 939 break; 940 case NL80211_IFTYPE_P2P_GO: 941 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 942 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 943 break; 944 case NL80211_IFTYPE_AP: 945 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 946 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 947 break; 948 default: 949 mwifiex_dbg(adapter, ERROR, 950 "%s: changing to %d not supported\n", 951 dev->name, type); 952 return -EOPNOTSUPP; 953 } 954 955 priv->bss_num = mwifiex_get_unused_bss_num(adapter, priv->bss_type); 956 957 spin_lock_irqsave(&adapter->main_proc_lock, flags); 958 adapter->main_locked = false; 959 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 960 961 spin_lock_bh(&adapter->rx_proc_lock); 962 adapter->rx_locked = false; 963 spin_unlock_bh(&adapter->rx_proc_lock); 964 965 mwifiex_set_mac_address(priv, dev, false, NULL); 966 967 return 0; 968 } 969 970 static bool 971 is_vif_type_change_allowed(struct mwifiex_adapter *adapter, 972 enum nl80211_iftype old_iftype, 973 enum nl80211_iftype new_iftype) 974 { 975 switch (old_iftype) { 976 case NL80211_IFTYPE_ADHOC: 977 switch (new_iftype) { 978 case NL80211_IFTYPE_STATION: 979 return true; 980 case NL80211_IFTYPE_P2P_CLIENT: 981 case NL80211_IFTYPE_P2P_GO: 982 return adapter->curr_iface_comb.p2p_intf != 983 adapter->iface_limit.p2p_intf; 984 case NL80211_IFTYPE_AP: 985 return adapter->curr_iface_comb.uap_intf != 986 adapter->iface_limit.uap_intf; 987 default: 988 return false; 989 } 990 991 case NL80211_IFTYPE_STATION: 992 switch (new_iftype) { 993 case NL80211_IFTYPE_ADHOC: 994 return true; 995 case NL80211_IFTYPE_P2P_CLIENT: 996 case NL80211_IFTYPE_P2P_GO: 997 return adapter->curr_iface_comb.p2p_intf != 998 adapter->iface_limit.p2p_intf; 999 case NL80211_IFTYPE_AP: 1000 return adapter->curr_iface_comb.uap_intf != 1001 adapter->iface_limit.uap_intf; 1002 default: 1003 return false; 1004 } 1005 1006 case NL80211_IFTYPE_AP: 1007 switch (new_iftype) { 1008 case NL80211_IFTYPE_ADHOC: 1009 case NL80211_IFTYPE_STATION: 1010 return adapter->curr_iface_comb.sta_intf != 1011 adapter->iface_limit.sta_intf; 1012 case NL80211_IFTYPE_P2P_CLIENT: 1013 case NL80211_IFTYPE_P2P_GO: 1014 return adapter->curr_iface_comb.p2p_intf != 1015 adapter->iface_limit.p2p_intf; 1016 default: 1017 return false; 1018 } 1019 1020 case NL80211_IFTYPE_P2P_CLIENT: 1021 switch (new_iftype) { 1022 case NL80211_IFTYPE_ADHOC: 1023 case NL80211_IFTYPE_STATION: 1024 return true; 1025 case NL80211_IFTYPE_P2P_GO: 1026 return true; 1027 case NL80211_IFTYPE_AP: 1028 return adapter->curr_iface_comb.uap_intf != 1029 adapter->iface_limit.uap_intf; 1030 default: 1031 return false; 1032 } 1033 1034 case NL80211_IFTYPE_P2P_GO: 1035 switch (new_iftype) { 1036 case NL80211_IFTYPE_ADHOC: 1037 case NL80211_IFTYPE_STATION: 1038 return true; 1039 case NL80211_IFTYPE_P2P_CLIENT: 1040 return true; 1041 case NL80211_IFTYPE_AP: 1042 return adapter->curr_iface_comb.uap_intf != 1043 adapter->iface_limit.uap_intf; 1044 default: 1045 return false; 1046 } 1047 1048 default: 1049 break; 1050 } 1051 1052 return false; 1053 } 1054 1055 static void 1056 update_vif_type_counter(struct mwifiex_adapter *adapter, 1057 enum nl80211_iftype iftype, 1058 int change) 1059 { 1060 switch (iftype) { 1061 case NL80211_IFTYPE_UNSPECIFIED: 1062 case NL80211_IFTYPE_ADHOC: 1063 case NL80211_IFTYPE_STATION: 1064 adapter->curr_iface_comb.sta_intf += change; 1065 break; 1066 case NL80211_IFTYPE_AP: 1067 adapter->curr_iface_comb.uap_intf += change; 1068 break; 1069 case NL80211_IFTYPE_P2P_CLIENT: 1070 case NL80211_IFTYPE_P2P_GO: 1071 adapter->curr_iface_comb.p2p_intf += change; 1072 break; 1073 default: 1074 mwifiex_dbg(adapter, ERROR, 1075 "%s: Unsupported iftype passed: %d\n", 1076 __func__, iftype); 1077 break; 1078 } 1079 } 1080 1081 static int 1082 mwifiex_change_vif_to_p2p(struct net_device *dev, 1083 enum nl80211_iftype curr_iftype, 1084 enum nl80211_iftype type, 1085 struct vif_params *params) 1086 { 1087 struct mwifiex_private *priv; 1088 struct mwifiex_adapter *adapter; 1089 1090 priv = mwifiex_netdev_get_priv(dev); 1091 1092 if (!priv) 1093 return -1; 1094 1095 adapter = priv->adapter; 1096 1097 mwifiex_dbg(adapter, INFO, 1098 "%s: changing role to p2p\n", dev->name); 1099 1100 if (mwifiex_deinit_priv_params(priv)) 1101 return -1; 1102 if (mwifiex_init_new_priv_params(priv, dev, type)) 1103 return -1; 1104 1105 update_vif_type_counter(adapter, curr_iftype, -1); 1106 update_vif_type_counter(adapter, type, +1); 1107 dev->ieee80211_ptr->iftype = type; 1108 1109 switch (type) { 1110 case NL80211_IFTYPE_P2P_CLIENT: 1111 if (mwifiex_cfg80211_init_p2p_client(priv)) 1112 return -EFAULT; 1113 break; 1114 case NL80211_IFTYPE_P2P_GO: 1115 if (mwifiex_cfg80211_init_p2p_go(priv)) 1116 return -EFAULT; 1117 break; 1118 default: 1119 mwifiex_dbg(adapter, ERROR, 1120 "%s: changing to %d not supported\n", 1121 dev->name, type); 1122 return -EOPNOTSUPP; 1123 } 1124 1125 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1126 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1127 return -1; 1128 1129 if (mwifiex_sta_init_cmd(priv, false)) 1130 return -1; 1131 1132 return 0; 1133 } 1134 1135 static int 1136 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 1137 enum nl80211_iftype curr_iftype, 1138 enum nl80211_iftype type, 1139 struct vif_params *params) 1140 { 1141 struct mwifiex_private *priv; 1142 struct mwifiex_adapter *adapter; 1143 1144 priv = mwifiex_netdev_get_priv(dev); 1145 1146 if (!priv) 1147 return -1; 1148 1149 adapter = priv->adapter; 1150 1151 if (type == NL80211_IFTYPE_STATION) 1152 mwifiex_dbg(adapter, INFO, 1153 "%s: changing role to station\n", dev->name); 1154 else 1155 mwifiex_dbg(adapter, INFO, 1156 "%s: changing role to adhoc\n", dev->name); 1157 1158 if (mwifiex_deinit_priv_params(priv)) 1159 return -1; 1160 if (mwifiex_init_new_priv_params(priv, dev, type)) 1161 return -1; 1162 1163 update_vif_type_counter(adapter, curr_iftype, -1); 1164 update_vif_type_counter(adapter, type, +1); 1165 dev->ieee80211_ptr->iftype = type; 1166 1167 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1168 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1169 return -1; 1170 if (mwifiex_sta_init_cmd(priv, false)) 1171 return -1; 1172 1173 return 0; 1174 } 1175 1176 static int 1177 mwifiex_change_vif_to_ap(struct net_device *dev, 1178 enum nl80211_iftype curr_iftype, 1179 enum nl80211_iftype type, 1180 struct vif_params *params) 1181 { 1182 struct mwifiex_private *priv; 1183 struct mwifiex_adapter *adapter; 1184 1185 priv = mwifiex_netdev_get_priv(dev); 1186 1187 if (!priv) 1188 return -1; 1189 1190 adapter = priv->adapter; 1191 1192 mwifiex_dbg(adapter, INFO, 1193 "%s: changing role to AP\n", dev->name); 1194 1195 if (mwifiex_deinit_priv_params(priv)) 1196 return -1; 1197 if (mwifiex_init_new_priv_params(priv, dev, type)) 1198 return -1; 1199 1200 update_vif_type_counter(adapter, curr_iftype, -1); 1201 update_vif_type_counter(adapter, type, +1); 1202 dev->ieee80211_ptr->iftype = type; 1203 1204 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1205 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1206 return -1; 1207 if (mwifiex_sta_init_cmd(priv, false)) 1208 return -1; 1209 1210 return 0; 1211 } 1212 /* 1213 * CFG802.11 operation handler to change interface type. 1214 */ 1215 static int 1216 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1217 struct net_device *dev, 1218 enum nl80211_iftype type, 1219 struct vif_params *params) 1220 { 1221 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1222 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1223 1224 if (priv->scan_request) { 1225 mwifiex_dbg(priv->adapter, ERROR, 1226 "change virtual interface: scan in process\n"); 1227 return -EBUSY; 1228 } 1229 1230 if (type == NL80211_IFTYPE_UNSPECIFIED) { 1231 mwifiex_dbg(priv->adapter, INFO, 1232 "%s: no new type specified, keeping old type %d\n", 1233 dev->name, curr_iftype); 1234 return 0; 1235 } 1236 1237 if (curr_iftype == type) { 1238 mwifiex_dbg(priv->adapter, INFO, 1239 "%s: interface already is of type %d\n", 1240 dev->name, curr_iftype); 1241 return 0; 1242 } 1243 1244 if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) { 1245 mwifiex_dbg(priv->adapter, ERROR, 1246 "%s: change from type %d to %d is not allowed\n", 1247 dev->name, curr_iftype, type); 1248 return -EOPNOTSUPP; 1249 } 1250 1251 switch (curr_iftype) { 1252 case NL80211_IFTYPE_ADHOC: 1253 switch (type) { 1254 case NL80211_IFTYPE_STATION: 1255 priv->bss_mode = type; 1256 priv->sec_info.authentication_mode = 1257 NL80211_AUTHTYPE_OPEN_SYSTEM; 1258 dev->ieee80211_ptr->iftype = type; 1259 mwifiex_deauthenticate(priv, NULL); 1260 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1261 HostCmd_ACT_GEN_SET, 0, NULL, 1262 true); 1263 case NL80211_IFTYPE_P2P_CLIENT: 1264 case NL80211_IFTYPE_P2P_GO: 1265 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1266 type, params); 1267 case NL80211_IFTYPE_AP: 1268 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1269 params); 1270 default: 1271 goto errnotsupp; 1272 } 1273 1274 case NL80211_IFTYPE_STATION: 1275 switch (type) { 1276 case NL80211_IFTYPE_ADHOC: 1277 priv->bss_mode = type; 1278 priv->sec_info.authentication_mode = 1279 NL80211_AUTHTYPE_OPEN_SYSTEM; 1280 dev->ieee80211_ptr->iftype = type; 1281 mwifiex_deauthenticate(priv, NULL); 1282 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1283 HostCmd_ACT_GEN_SET, 0, NULL, 1284 true); 1285 case NL80211_IFTYPE_P2P_CLIENT: 1286 case NL80211_IFTYPE_P2P_GO: 1287 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1288 type, params); 1289 case NL80211_IFTYPE_AP: 1290 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1291 params); 1292 default: 1293 goto errnotsupp; 1294 } 1295 1296 case NL80211_IFTYPE_AP: 1297 switch (type) { 1298 case NL80211_IFTYPE_ADHOC: 1299 case NL80211_IFTYPE_STATION: 1300 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1301 type, params); 1302 break; 1303 case NL80211_IFTYPE_P2P_CLIENT: 1304 case NL80211_IFTYPE_P2P_GO: 1305 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1306 type, params); 1307 default: 1308 goto errnotsupp; 1309 } 1310 1311 case NL80211_IFTYPE_P2P_CLIENT: 1312 if (mwifiex_cfg80211_deinit_p2p(priv)) 1313 return -EFAULT; 1314 1315 switch (type) { 1316 case NL80211_IFTYPE_ADHOC: 1317 case NL80211_IFTYPE_STATION: 1318 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1319 type, params); 1320 case NL80211_IFTYPE_P2P_GO: 1321 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1322 type, params); 1323 case NL80211_IFTYPE_AP: 1324 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1325 params); 1326 default: 1327 goto errnotsupp; 1328 } 1329 1330 case NL80211_IFTYPE_P2P_GO: 1331 if (mwifiex_cfg80211_deinit_p2p(priv)) 1332 return -EFAULT; 1333 1334 switch (type) { 1335 case NL80211_IFTYPE_ADHOC: 1336 case NL80211_IFTYPE_STATION: 1337 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1338 type, params); 1339 case NL80211_IFTYPE_P2P_CLIENT: 1340 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1341 type, params); 1342 case NL80211_IFTYPE_AP: 1343 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1344 params); 1345 default: 1346 goto errnotsupp; 1347 } 1348 1349 default: 1350 goto errnotsupp; 1351 } 1352 1353 1354 return 0; 1355 1356 errnotsupp: 1357 mwifiex_dbg(priv->adapter, ERROR, 1358 "unsupported interface type transition: %d to %d\n", 1359 curr_iftype, type); 1360 return -EOPNOTSUPP; 1361 } 1362 1363 static void 1364 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo, 1365 struct rate_info *rate) 1366 { 1367 struct mwifiex_adapter *adapter = priv->adapter; 1368 1369 if (adapter->is_hw_11ac_capable) { 1370 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1371 if (htinfo & BIT(0)) { 1372 /* HT */ 1373 rate->mcs = rateinfo; 1374 rate->flags |= RATE_INFO_FLAGS_MCS; 1375 } 1376 if (htinfo & BIT(1)) { 1377 /* VHT */ 1378 rate->mcs = rateinfo & 0x0F; 1379 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1380 } 1381 1382 if (htinfo & (BIT(1) | BIT(0))) { 1383 /* HT or VHT */ 1384 switch (htinfo & (BIT(3) | BIT(2))) { 1385 case 0: 1386 rate->bw = RATE_INFO_BW_20; 1387 break; 1388 case (BIT(2)): 1389 rate->bw = RATE_INFO_BW_40; 1390 break; 1391 case (BIT(3)): 1392 rate->bw = RATE_INFO_BW_80; 1393 break; 1394 case (BIT(3) | BIT(2)): 1395 rate->bw = RATE_INFO_BW_160; 1396 break; 1397 } 1398 1399 if (htinfo & BIT(4)) 1400 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1401 1402 if ((rateinfo >> 4) == 1) 1403 rate->nss = 2; 1404 else 1405 rate->nss = 1; 1406 } 1407 } else { 1408 /* 1409 * Bit 0 in htinfo indicates that current rate is 11n. Valid 1410 * MCS index values for us are 0 to 15. 1411 */ 1412 if ((htinfo & BIT(0)) && (rateinfo < 16)) { 1413 rate->mcs = rateinfo; 1414 rate->flags |= RATE_INFO_FLAGS_MCS; 1415 rate->bw = RATE_INFO_BW_20; 1416 if (htinfo & BIT(1)) 1417 rate->bw = RATE_INFO_BW_40; 1418 if (htinfo & BIT(2)) 1419 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1420 } 1421 } 1422 1423 /* Decode legacy rates for non-HT. */ 1424 if (!(htinfo & (BIT(0) | BIT(1)))) { 1425 /* Bitrates in multiples of 100kb/s. */ 1426 static const int legacy_rates[] = { 1427 [0] = 10, 1428 [1] = 20, 1429 [2] = 55, 1430 [3] = 110, 1431 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */ 1432 [5] = 60, 1433 [6] = 90, 1434 [7] = 120, 1435 [8] = 180, 1436 [9] = 240, 1437 [10] = 360, 1438 [11] = 480, 1439 [12] = 540, 1440 }; 1441 if (rateinfo < ARRAY_SIZE(legacy_rates)) 1442 rate->legacy = legacy_rates[rateinfo]; 1443 } 1444 } 1445 1446 /* 1447 * This function dumps the station information on a buffer. 1448 * 1449 * The following information are shown - 1450 * - Total bytes transmitted 1451 * - Total bytes received 1452 * - Total packets transmitted 1453 * - Total packets received 1454 * - Signal quality level 1455 * - Transmission rate 1456 */ 1457 static int 1458 mwifiex_dump_station_info(struct mwifiex_private *priv, 1459 struct mwifiex_sta_node *node, 1460 struct station_info *sinfo) 1461 { 1462 u32 rate; 1463 1464 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) | 1465 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | 1466 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | 1467 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 1468 1469 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1470 if (!node) 1471 return -ENOENT; 1472 1473 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | 1474 BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1475 sinfo->inactive_time = 1476 jiffies_to_msecs(jiffies - node->stats.last_rx); 1477 1478 sinfo->signal = node->stats.rssi; 1479 sinfo->signal_avg = node->stats.rssi; 1480 sinfo->rx_bytes = node->stats.rx_bytes; 1481 sinfo->tx_bytes = node->stats.tx_bytes; 1482 sinfo->rx_packets = node->stats.rx_packets; 1483 sinfo->tx_packets = node->stats.tx_packets; 1484 sinfo->tx_failed = node->stats.tx_failed; 1485 1486 mwifiex_parse_htinfo(priv, priv->tx_rate, 1487 node->stats.last_tx_htinfo, 1488 &sinfo->txrate); 1489 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1490 1491 return 0; 1492 } 1493 1494 /* Get signal information from the firmware */ 1495 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1496 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1497 mwifiex_dbg(priv->adapter, ERROR, 1498 "failed to get signal information\n"); 1499 return -EFAULT; 1500 } 1501 1502 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1503 mwifiex_dbg(priv->adapter, ERROR, 1504 "getting data rate error\n"); 1505 return -EFAULT; 1506 } 1507 1508 /* Get DTIM period information from firmware */ 1509 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1510 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1511 &priv->dtim_period, true); 1512 1513 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo, 1514 &sinfo->txrate); 1515 1516 sinfo->signal_avg = priv->bcn_rssi_avg; 1517 sinfo->rx_bytes = priv->stats.rx_bytes; 1518 sinfo->tx_bytes = priv->stats.tx_bytes; 1519 sinfo->rx_packets = priv->stats.rx_packets; 1520 sinfo->tx_packets = priv->stats.tx_packets; 1521 sinfo->signal = priv->bcn_rssi_avg; 1522 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1523 sinfo->txrate.legacy = rate * 5; 1524 1525 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); 1526 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo, 1527 &sinfo->rxrate); 1528 1529 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1530 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); 1531 sinfo->bss_param.flags = 0; 1532 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1533 WLAN_CAPABILITY_SHORT_PREAMBLE) 1534 sinfo->bss_param.flags |= 1535 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1536 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1537 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1538 sinfo->bss_param.flags |= 1539 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1540 sinfo->bss_param.dtim_period = priv->dtim_period; 1541 sinfo->bss_param.beacon_interval = 1542 priv->curr_bss_params.bss_descriptor.beacon_period; 1543 } 1544 1545 return 0; 1546 } 1547 1548 /* 1549 * CFG802.11 operation handler to get station information. 1550 * 1551 * This function only works in connected mode, and dumps the 1552 * requested station information, if available. 1553 */ 1554 static int 1555 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1556 const u8 *mac, struct station_info *sinfo) 1557 { 1558 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1559 1560 if (!priv->media_connected) 1561 return -ENOENT; 1562 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1563 return -ENOENT; 1564 1565 return mwifiex_dump_station_info(priv, NULL, sinfo); 1566 } 1567 1568 /* 1569 * CFG802.11 operation handler to dump station information. 1570 */ 1571 static int 1572 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1573 int idx, u8 *mac, struct station_info *sinfo) 1574 { 1575 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1576 struct mwifiex_sta_node *node; 1577 int i; 1578 1579 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1580 priv->media_connected && idx == 0) { 1581 ether_addr_copy(mac, priv->cfg_bssid); 1582 return mwifiex_dump_station_info(priv, NULL, sinfo); 1583 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1584 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1585 HostCmd_ACT_GEN_GET, 0, NULL, true); 1586 1587 i = 0; 1588 list_for_each_entry(node, &priv->sta_list, list) { 1589 if (i++ != idx) 1590 continue; 1591 ether_addr_copy(mac, node->mac_addr); 1592 return mwifiex_dump_station_info(priv, node, sinfo); 1593 } 1594 } 1595 1596 return -ENOENT; 1597 } 1598 1599 static int 1600 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1601 int idx, struct survey_info *survey) 1602 { 1603 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1604 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1605 enum nl80211_band band; 1606 1607 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1608 1609 memset(survey, 0, sizeof(struct survey_info)); 1610 1611 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1612 priv->media_connected && idx == 0) { 1613 u8 curr_bss_band = priv->curr_bss_params.band; 1614 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1615 1616 band = mwifiex_band_to_radio_type(curr_bss_band); 1617 survey->channel = ieee80211_get_channel(wiphy, 1618 ieee80211_channel_to_frequency(chan, band)); 1619 1620 if (priv->bcn_nf_last) { 1621 survey->filled = SURVEY_INFO_NOISE_DBM; 1622 survey->noise = priv->bcn_nf_last; 1623 } 1624 return 0; 1625 } 1626 1627 if (idx >= priv->adapter->num_in_chan_stats) 1628 return -ENOENT; 1629 1630 if (!pchan_stats[idx].cca_scan_dur) 1631 return 0; 1632 1633 band = pchan_stats[idx].bandcfg; 1634 survey->channel = ieee80211_get_channel(wiphy, 1635 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1636 survey->filled = SURVEY_INFO_NOISE_DBM | 1637 SURVEY_INFO_TIME | 1638 SURVEY_INFO_TIME_BUSY; 1639 survey->noise = pchan_stats[idx].noise; 1640 survey->time = pchan_stats[idx].cca_scan_dur; 1641 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1642 1643 return 0; 1644 } 1645 1646 /* Supported rates to be advertised to the cfg80211 */ 1647 static struct ieee80211_rate mwifiex_rates[] = { 1648 {.bitrate = 10, .hw_value = 2, }, 1649 {.bitrate = 20, .hw_value = 4, }, 1650 {.bitrate = 55, .hw_value = 11, }, 1651 {.bitrate = 110, .hw_value = 22, }, 1652 {.bitrate = 60, .hw_value = 12, }, 1653 {.bitrate = 90, .hw_value = 18, }, 1654 {.bitrate = 120, .hw_value = 24, }, 1655 {.bitrate = 180, .hw_value = 36, }, 1656 {.bitrate = 240, .hw_value = 48, }, 1657 {.bitrate = 360, .hw_value = 72, }, 1658 {.bitrate = 480, .hw_value = 96, }, 1659 {.bitrate = 540, .hw_value = 108, }, 1660 }; 1661 1662 /* Channel definitions to be advertised to cfg80211 */ 1663 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1664 {.center_freq = 2412, .hw_value = 1, }, 1665 {.center_freq = 2417, .hw_value = 2, }, 1666 {.center_freq = 2422, .hw_value = 3, }, 1667 {.center_freq = 2427, .hw_value = 4, }, 1668 {.center_freq = 2432, .hw_value = 5, }, 1669 {.center_freq = 2437, .hw_value = 6, }, 1670 {.center_freq = 2442, .hw_value = 7, }, 1671 {.center_freq = 2447, .hw_value = 8, }, 1672 {.center_freq = 2452, .hw_value = 9, }, 1673 {.center_freq = 2457, .hw_value = 10, }, 1674 {.center_freq = 2462, .hw_value = 11, }, 1675 {.center_freq = 2467, .hw_value = 12, }, 1676 {.center_freq = 2472, .hw_value = 13, }, 1677 {.center_freq = 2484, .hw_value = 14, }, 1678 }; 1679 1680 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1681 .channels = mwifiex_channels_2ghz, 1682 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1683 .bitrates = mwifiex_rates, 1684 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1685 }; 1686 1687 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1688 {.center_freq = 5040, .hw_value = 8, }, 1689 {.center_freq = 5060, .hw_value = 12, }, 1690 {.center_freq = 5080, .hw_value = 16, }, 1691 {.center_freq = 5170, .hw_value = 34, }, 1692 {.center_freq = 5190, .hw_value = 38, }, 1693 {.center_freq = 5210, .hw_value = 42, }, 1694 {.center_freq = 5230, .hw_value = 46, }, 1695 {.center_freq = 5180, .hw_value = 36, }, 1696 {.center_freq = 5200, .hw_value = 40, }, 1697 {.center_freq = 5220, .hw_value = 44, }, 1698 {.center_freq = 5240, .hw_value = 48, }, 1699 {.center_freq = 5260, .hw_value = 52, }, 1700 {.center_freq = 5280, .hw_value = 56, }, 1701 {.center_freq = 5300, .hw_value = 60, }, 1702 {.center_freq = 5320, .hw_value = 64, }, 1703 {.center_freq = 5500, .hw_value = 100, }, 1704 {.center_freq = 5520, .hw_value = 104, }, 1705 {.center_freq = 5540, .hw_value = 108, }, 1706 {.center_freq = 5560, .hw_value = 112, }, 1707 {.center_freq = 5580, .hw_value = 116, }, 1708 {.center_freq = 5600, .hw_value = 120, }, 1709 {.center_freq = 5620, .hw_value = 124, }, 1710 {.center_freq = 5640, .hw_value = 128, }, 1711 {.center_freq = 5660, .hw_value = 132, }, 1712 {.center_freq = 5680, .hw_value = 136, }, 1713 {.center_freq = 5700, .hw_value = 140, }, 1714 {.center_freq = 5745, .hw_value = 149, }, 1715 {.center_freq = 5765, .hw_value = 153, }, 1716 {.center_freq = 5785, .hw_value = 157, }, 1717 {.center_freq = 5805, .hw_value = 161, }, 1718 {.center_freq = 5825, .hw_value = 165, }, 1719 }; 1720 1721 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1722 .channels = mwifiex_channels_5ghz, 1723 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1724 .bitrates = mwifiex_rates + 4, 1725 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1726 }; 1727 1728 1729 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1730 static const u32 mwifiex_cipher_suites[] = { 1731 WLAN_CIPHER_SUITE_WEP40, 1732 WLAN_CIPHER_SUITE_WEP104, 1733 WLAN_CIPHER_SUITE_TKIP, 1734 WLAN_CIPHER_SUITE_CCMP, 1735 WLAN_CIPHER_SUITE_SMS4, 1736 WLAN_CIPHER_SUITE_AES_CMAC, 1737 }; 1738 1739 /* Supported mgmt frame types to be advertised to cfg80211 */ 1740 static const struct ieee80211_txrx_stypes 1741 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1742 [NL80211_IFTYPE_STATION] = { 1743 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1744 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1745 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1746 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1747 }, 1748 [NL80211_IFTYPE_AP] = { 1749 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1750 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1751 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1752 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1753 }, 1754 [NL80211_IFTYPE_P2P_CLIENT] = { 1755 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1756 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1757 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1758 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1759 }, 1760 [NL80211_IFTYPE_P2P_GO] = { 1761 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1762 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1763 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1764 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1765 }, 1766 }; 1767 1768 /* 1769 * CFG802.11 operation handler for setting bit rates. 1770 * 1771 * Function configures data rates to firmware using bitrate mask 1772 * provided by cfg80211. 1773 */ 1774 static int 1775 mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1776 struct net_device *dev, 1777 unsigned int link_id, 1778 const u8 *peer, 1779 const struct cfg80211_bitrate_mask *mask) 1780 { 1781 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1782 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1783 enum nl80211_band band; 1784 struct mwifiex_adapter *adapter = priv->adapter; 1785 1786 if (!priv->media_connected) { 1787 mwifiex_dbg(adapter, ERROR, 1788 "Can not set Tx data rate in disconnected state\n"); 1789 return -EINVAL; 1790 } 1791 1792 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1793 1794 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1795 1796 /* Fill HR/DSSS rates. */ 1797 if (band == NL80211_BAND_2GHZ) 1798 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1799 1800 /* Fill OFDM rates */ 1801 if (band == NL80211_BAND_2GHZ) 1802 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1803 else 1804 bitmap_rates[1] = mask->control[band].legacy; 1805 1806 /* Fill HT MCS rates */ 1807 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1808 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1809 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1810 1811 /* Fill VHT MCS rates */ 1812 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1813 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1814 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1815 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1816 } 1817 1818 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1819 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1820 } 1821 1822 /* 1823 * CFG802.11 operation handler for connection quality monitoring. 1824 * 1825 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1826 * events to FW. 1827 */ 1828 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1829 struct net_device *dev, 1830 s32 rssi_thold, u32 rssi_hyst) 1831 { 1832 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1833 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1834 1835 priv->cqm_rssi_thold = rssi_thold; 1836 priv->cqm_rssi_hyst = rssi_hyst; 1837 1838 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1839 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1840 1841 /* Subscribe/unsubscribe low and high rssi events */ 1842 if (rssi_thold && rssi_hyst) { 1843 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1844 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1845 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1846 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1847 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1848 return mwifiex_send_cmd(priv, 1849 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1850 0, 0, &subsc_evt, true); 1851 } else { 1852 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1853 return mwifiex_send_cmd(priv, 1854 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1855 0, 0, &subsc_evt, true); 1856 } 1857 1858 return 0; 1859 } 1860 1861 /* cfg80211 operation handler for change_beacon. 1862 * Function retrieves and sets modified management IEs to FW. 1863 */ 1864 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1865 struct net_device *dev, 1866 struct cfg80211_ap_update *params) 1867 { 1868 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1869 struct mwifiex_adapter *adapter = priv->adapter; 1870 struct cfg80211_beacon_data *data = ¶ms->beacon; 1871 1872 mwifiex_cancel_scan(adapter); 1873 1874 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1875 mwifiex_dbg(priv->adapter, ERROR, 1876 "%s: bss_type mismatched\n", __func__); 1877 return -EINVAL; 1878 } 1879 1880 if (!priv->bss_started) { 1881 mwifiex_dbg(priv->adapter, ERROR, 1882 "%s: bss not started\n", __func__); 1883 return -EINVAL; 1884 } 1885 1886 if (mwifiex_set_mgmt_ies(priv, data)) { 1887 mwifiex_dbg(priv->adapter, ERROR, 1888 "%s: setting mgmt ies failed\n", __func__); 1889 return -EFAULT; 1890 } 1891 1892 return 0; 1893 } 1894 1895 /* cfg80211 operation handler for del_station. 1896 * Function deauthenticates station which value is provided in mac parameter. 1897 * If mac is NULL/broadcast, all stations in associated station list are 1898 * deauthenticated. If bss is not started or there are no stations in 1899 * associated stations list, no action is taken. 1900 */ 1901 static int 1902 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1903 struct station_del_parameters *params) 1904 { 1905 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1906 struct mwifiex_sta_node *sta_node; 1907 u8 deauth_mac[ETH_ALEN]; 1908 1909 if (!priv->bss_started && priv->wdev.links[0].cac_started) { 1910 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1911 mwifiex_abort_cac(priv); 1912 } 1913 1914 if (list_empty(&priv->sta_list) || !priv->bss_started) 1915 return 0; 1916 1917 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1918 return 0; 1919 1920 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1921 __func__, params->mac); 1922 1923 eth_zero_addr(deauth_mac); 1924 1925 spin_lock_bh(&priv->sta_list_spinlock); 1926 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1927 if (sta_node) 1928 ether_addr_copy(deauth_mac, params->mac); 1929 spin_unlock_bh(&priv->sta_list_spinlock); 1930 1931 if (is_valid_ether_addr(deauth_mac)) { 1932 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1933 HostCmd_ACT_GEN_SET, 0, 1934 deauth_mac, true)) 1935 return -1; 1936 } 1937 1938 return 0; 1939 } 1940 1941 static int 1942 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1943 { 1944 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1945 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1946 MWIFIEX_BSS_ROLE_ANY); 1947 struct mwifiex_ds_ant_cfg ant_cfg; 1948 1949 if (!tx_ant || !rx_ant) 1950 return -EOPNOTSUPP; 1951 1952 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1953 /* Not a MIMO chip. User should provide specific antenna number 1954 * for Tx/Rx path or enable all antennas for diversity 1955 */ 1956 if (tx_ant != rx_ant) 1957 return -EOPNOTSUPP; 1958 1959 if ((tx_ant & (tx_ant - 1)) && 1960 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1961 return -EOPNOTSUPP; 1962 1963 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1964 (priv->adapter->number_of_antenna > 1)) { 1965 tx_ant = RF_ANTENNA_AUTO; 1966 rx_ant = RF_ANTENNA_AUTO; 1967 } 1968 } else { 1969 struct ieee80211_sta_ht_cap *ht_info; 1970 int rx_mcs_supp; 1971 enum nl80211_band band; 1972 1973 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1974 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1975 if (adapter->is_hw_11ac_capable) 1976 adapter->usr_dot_11ac_mcs_support = 1977 MWIFIEX_11AC_MCS_MAP_1X1; 1978 } else { 1979 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1980 if (adapter->is_hw_11ac_capable) 1981 adapter->usr_dot_11ac_mcs_support = 1982 MWIFIEX_11AC_MCS_MAP_2X2; 1983 } 1984 1985 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1986 if (!adapter->wiphy->bands[band]) 1987 continue; 1988 1989 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1990 rx_mcs_supp = 1991 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1992 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1993 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1994 } 1995 } 1996 1997 ant_cfg.tx_ant = tx_ant; 1998 ant_cfg.rx_ant = rx_ant; 1999 2000 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 2001 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 2002 } 2003 2004 static int 2005 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 2006 { 2007 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2008 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 2009 MWIFIEX_BSS_ROLE_ANY); 2010 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 2011 HostCmd_ACT_GEN_GET, 0, NULL, true); 2012 2013 *tx_ant = priv->tx_ant; 2014 *rx_ant = priv->rx_ant; 2015 2016 return 0; 2017 } 2018 2019 /* cfg80211 operation handler for stop ap. 2020 * Function stops BSS running at uAP interface. 2021 */ 2022 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, 2023 unsigned int link_id) 2024 { 2025 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2026 2027 mwifiex_abort_cac(priv); 2028 2029 if (mwifiex_del_mgmt_ies(priv)) 2030 mwifiex_dbg(priv->adapter, ERROR, 2031 "Failed to delete mgmt IEs!\n"); 2032 2033 priv->ap_11n_enabled = 0; 2034 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 2035 2036 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 2037 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 2038 mwifiex_dbg(priv->adapter, ERROR, 2039 "Failed to stop the BSS\n"); 2040 return -1; 2041 } 2042 2043 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 2044 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 2045 mwifiex_dbg(priv->adapter, ERROR, 2046 "Failed to reset BSS\n"); 2047 return -1; 2048 } 2049 2050 if (netif_carrier_ok(priv->netdev)) 2051 netif_carrier_off(priv->netdev); 2052 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 2053 2054 return 0; 2055 } 2056 2057 /* cfg80211 operation handler for start_ap. 2058 * Function sets beacon period, DTIM period, SSID and security into 2059 * AP config structure. 2060 * AP is configured with these settings and BSS is started. 2061 */ 2062 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 2063 struct net_device *dev, 2064 struct cfg80211_ap_settings *params) 2065 { 2066 struct mwifiex_uap_bss_param *bss_cfg; 2067 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2068 2069 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 2070 return -1; 2071 2072 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 2073 if (!bss_cfg) 2074 return -ENOMEM; 2075 2076 mwifiex_set_sys_config_invalid_data(bss_cfg); 2077 2078 memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN); 2079 2080 if (params->beacon_interval) 2081 bss_cfg->beacon_period = params->beacon_interval; 2082 if (params->dtim_period) 2083 bss_cfg->dtim_period = params->dtim_period; 2084 2085 if (params->ssid && params->ssid_len) { 2086 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 2087 bss_cfg->ssid.ssid_len = params->ssid_len; 2088 } 2089 if (params->inactivity_timeout > 0) { 2090 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 2091 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 2092 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 2093 } 2094 2095 switch (params->hidden_ssid) { 2096 case NL80211_HIDDEN_SSID_NOT_IN_USE: 2097 bss_cfg->bcast_ssid_ctl = 1; 2098 break; 2099 case NL80211_HIDDEN_SSID_ZERO_LEN: 2100 bss_cfg->bcast_ssid_ctl = 0; 2101 break; 2102 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 2103 bss_cfg->bcast_ssid_ctl = 2; 2104 break; 2105 default: 2106 kfree(bss_cfg); 2107 return -EINVAL; 2108 } 2109 2110 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 2111 mwifiex_set_uap_rates(bss_cfg, params); 2112 2113 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 2114 mwifiex_dbg(priv->adapter, ERROR, 2115 "Failed to parse security parameters!\n"); 2116 goto out; 2117 } 2118 2119 mwifiex_set_ht_params(priv, bss_cfg, params); 2120 2121 if (priv->adapter->is_hw_11ac_capable) { 2122 mwifiex_set_vht_params(priv, bss_cfg, params); 2123 mwifiex_set_vht_width(priv, params->chandef.width, 2124 priv->ap_11ac_enabled); 2125 } 2126 2127 if (priv->ap_11ac_enabled) 2128 mwifiex_set_11ac_ba_params(priv); 2129 else 2130 mwifiex_set_ba_params(priv); 2131 2132 mwifiex_set_wmm_params(priv, bss_cfg, params); 2133 2134 if (mwifiex_is_11h_active(priv)) 2135 mwifiex_set_tpc_params(priv, bss_cfg, params); 2136 2137 if (mwifiex_is_11h_active(priv) && 2138 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 2139 priv->bss_mode)) { 2140 mwifiex_dbg(priv->adapter, INFO, 2141 "Disable 11h extensions in FW\n"); 2142 if (mwifiex_11h_activate(priv, false)) { 2143 mwifiex_dbg(priv->adapter, ERROR, 2144 "Failed to disable 11h extensions!!"); 2145 goto out; 2146 } 2147 priv->state_11h.is_11h_active = false; 2148 } 2149 2150 mwifiex_config_uap_11d(priv, ¶ms->beacon); 2151 2152 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2153 mwifiex_dbg(priv->adapter, ERROR, 2154 "Failed to start AP\n"); 2155 goto out; 2156 } 2157 2158 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2159 goto out; 2160 2161 if (!netif_carrier_ok(priv->netdev)) 2162 netif_carrier_on(priv->netdev); 2163 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2164 2165 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2166 kfree(bss_cfg); 2167 return 0; 2168 2169 out: 2170 kfree(bss_cfg); 2171 return -1; 2172 } 2173 2174 /* 2175 * CFG802.11 operation handler for disconnection request. 2176 * 2177 * This function does not work when there is already a disconnection 2178 * procedure going on. 2179 */ 2180 static int 2181 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2182 u16 reason_code) 2183 { 2184 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2185 2186 if (!mwifiex_stop_bg_scan(priv)) 2187 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 2188 2189 if (mwifiex_deauthenticate(priv, NULL)) 2190 return -EFAULT; 2191 2192 eth_zero_addr(priv->cfg_bssid); 2193 priv->hs2_enabled = false; 2194 2195 return 0; 2196 } 2197 2198 /* 2199 * This function informs the CFG802.11 subsystem of a new IBSS. 2200 * 2201 * The following information are sent to the CFG802.11 subsystem 2202 * to register the new IBSS. If we do not register the new IBSS, 2203 * a kernel panic will result. 2204 * - SSID 2205 * - SSID length 2206 * - BSSID 2207 * - Channel 2208 */ 2209 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2210 { 2211 struct ieee80211_channel *chan; 2212 struct mwifiex_bss_info bss_info; 2213 struct cfg80211_bss *bss; 2214 int ie_len; 2215 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2216 enum nl80211_band band; 2217 2218 if (mwifiex_get_bss_info(priv, &bss_info)) 2219 return -1; 2220 2221 ie_buf[0] = WLAN_EID_SSID; 2222 ie_buf[1] = bss_info.ssid.ssid_len; 2223 2224 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2225 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2226 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2227 2228 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2229 chan = ieee80211_get_channel(priv->wdev.wiphy, 2230 ieee80211_channel_to_frequency(bss_info.bss_chan, 2231 band)); 2232 2233 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2234 CFG80211_BSS_FTYPE_UNKNOWN, 2235 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2236 0, ie_buf, ie_len, 0, GFP_KERNEL); 2237 if (bss) { 2238 cfg80211_put_bss(priv->wdev.wiphy, bss); 2239 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2240 } 2241 2242 return 0; 2243 } 2244 2245 /* 2246 * This function connects with a BSS. 2247 * 2248 * This function handles both Infra and Ad-Hoc modes. It also performs 2249 * validity checking on the provided parameters, disconnects from the 2250 * current BSS (if any), sets up the association/scan parameters, 2251 * including security settings, and performs specific SSID scan before 2252 * trying to connect. 2253 * 2254 * For Infra mode, the function returns failure if the specified SSID 2255 * is not found in scan table. However, for Ad-Hoc mode, it can create 2256 * the IBSS if it does not exist. On successful completion in either case, 2257 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2258 */ 2259 static int 2260 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2261 const u8 *ssid, const u8 *bssid, int mode, 2262 struct ieee80211_channel *channel, 2263 struct cfg80211_connect_params *sme, bool privacy, 2264 struct cfg80211_bss **sel_bss) 2265 { 2266 struct cfg80211_ssid req_ssid; 2267 int ret, auth_type = 0; 2268 struct cfg80211_bss *bss = NULL; 2269 u8 is_scanning_required = 0; 2270 2271 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2272 2273 req_ssid.ssid_len = ssid_len; 2274 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2275 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2276 return -EINVAL; 2277 } 2278 2279 memcpy(req_ssid.ssid, ssid, ssid_len); 2280 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2281 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2282 return -EINVAL; 2283 } 2284 2285 /* As this is new association, clear locally stored 2286 * keys and security related flags */ 2287 priv->sec_info.wpa_enabled = false; 2288 priv->sec_info.wpa2_enabled = false; 2289 priv->wep_key_curr_index = 0; 2290 priv->sec_info.encryption_mode = 0; 2291 priv->sec_info.is_authtype_auto = 0; 2292 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2293 2294 if (mode == NL80211_IFTYPE_ADHOC) { 2295 u16 enable = true; 2296 2297 /* set ibss coalescing_status */ 2298 ret = mwifiex_send_cmd( 2299 priv, 2300 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2301 HostCmd_ACT_GEN_SET, 0, &enable, true); 2302 if (ret) 2303 return ret; 2304 2305 /* "privacy" is set only for ad-hoc mode */ 2306 if (privacy) { 2307 /* 2308 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2309 * the firmware can find a matching network from the 2310 * scan. The cfg80211 does not give us the encryption 2311 * mode at this stage so just setting it to WEP here. 2312 */ 2313 priv->sec_info.encryption_mode = 2314 WLAN_CIPHER_SUITE_WEP104; 2315 priv->sec_info.authentication_mode = 2316 NL80211_AUTHTYPE_OPEN_SYSTEM; 2317 } 2318 2319 goto done; 2320 } 2321 2322 /* Now handle infra mode. "sme" is valid for infra mode only */ 2323 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2324 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2325 priv->sec_info.is_authtype_auto = 1; 2326 } else { 2327 auth_type = sme->auth_type; 2328 } 2329 2330 if (sme->crypto.n_ciphers_pairwise) { 2331 priv->sec_info.encryption_mode = 2332 sme->crypto.ciphers_pairwise[0]; 2333 priv->sec_info.authentication_mode = auth_type; 2334 } 2335 2336 if (sme->crypto.cipher_group) { 2337 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2338 priv->sec_info.authentication_mode = auth_type; 2339 } 2340 if (sme->ie) 2341 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2342 2343 if (sme->key) { 2344 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2345 mwifiex_dbg(priv->adapter, INFO, 2346 "info: setting wep encryption\t" 2347 "with key len %d\n", sme->key_len); 2348 priv->wep_key_curr_index = sme->key_idx; 2349 ret = mwifiex_set_encode(priv, NULL, sme->key, 2350 sme->key_len, sme->key_idx, 2351 NULL, 0); 2352 } 2353 } 2354 done: 2355 /* 2356 * Scan entries are valid for some time (15 sec). So we can save one 2357 * active scan time if we just try cfg80211_get_bss first. If it fails 2358 * then request scan and cfg80211_get_bss() again for final output. 2359 */ 2360 while (1) { 2361 if (is_scanning_required) { 2362 /* Do specific SSID scanning */ 2363 if (mwifiex_request_scan(priv, &req_ssid)) { 2364 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2365 return -EFAULT; 2366 } 2367 } 2368 2369 /* Find the BSS we want using available scan results */ 2370 if (mode == NL80211_IFTYPE_ADHOC) 2371 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2372 bssid, ssid, ssid_len, 2373 IEEE80211_BSS_TYPE_IBSS, 2374 IEEE80211_PRIVACY_ANY); 2375 else 2376 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2377 bssid, ssid, ssid_len, 2378 IEEE80211_BSS_TYPE_ESS, 2379 IEEE80211_PRIVACY_ANY); 2380 2381 if (!bss) { 2382 if (is_scanning_required) { 2383 mwifiex_dbg(priv->adapter, MSG, 2384 "assoc: requested bss not found in scan results\n"); 2385 break; 2386 } 2387 is_scanning_required = 1; 2388 } else { 2389 mwifiex_dbg(priv->adapter, MSG, 2390 "info: trying to associate to bssid %pM\n", 2391 bss->bssid); 2392 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2393 break; 2394 } 2395 } 2396 2397 if (bss) 2398 cfg80211_ref_bss(priv->adapter->wiphy, bss); 2399 2400 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2401 if (ret) 2402 goto cleanup; 2403 2404 if (mode == NL80211_IFTYPE_ADHOC) { 2405 /* Inform the BSS information to kernel, otherwise 2406 * kernel will give a panic after successful assoc */ 2407 if (mwifiex_cfg80211_inform_ibss_bss(priv)) { 2408 ret = -EFAULT; 2409 goto cleanup; 2410 } 2411 } 2412 2413 /* Pass the selected BSS entry to caller. */ 2414 if (sel_bss) { 2415 *sel_bss = bss; 2416 bss = NULL; 2417 } 2418 2419 cleanup: 2420 if (bss) 2421 cfg80211_put_bss(priv->adapter->wiphy, bss); 2422 return ret; 2423 } 2424 2425 /* 2426 * CFG802.11 operation handler for association request. 2427 * 2428 * This function does not work when the current mode is set to Ad-Hoc, or 2429 * when there is already an association procedure going on. The given BSS 2430 * information is used to associate. 2431 */ 2432 static int 2433 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2434 struct cfg80211_connect_params *sme) 2435 { 2436 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2437 struct mwifiex_adapter *adapter = priv->adapter; 2438 struct cfg80211_bss *bss = NULL; 2439 int ret; 2440 2441 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2442 mwifiex_dbg(adapter, ERROR, 2443 "%s: reject infra assoc request in non-STA role\n", 2444 dev->name); 2445 return -EINVAL; 2446 } 2447 2448 if (priv->wdev.connected) { 2449 mwifiex_dbg(adapter, ERROR, 2450 "%s: already connected\n", dev->name); 2451 return -EALREADY; 2452 } 2453 2454 if (priv->scan_block) 2455 priv->scan_block = false; 2456 2457 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) || 2458 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { 2459 mwifiex_dbg(adapter, ERROR, 2460 "%s: Ignore connection.\t" 2461 "Card removed or FW in bad state\n", 2462 dev->name); 2463 return -EFAULT; 2464 } 2465 2466 mwifiex_dbg(adapter, INFO, 2467 "info: Trying to associate to bssid %pM\n", sme->bssid); 2468 2469 if (!mwifiex_stop_bg_scan(priv)) 2470 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 2471 2472 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2473 priv->bss_mode, sme->channel, sme, 0, 2474 &bss); 2475 if (!ret) { 2476 cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL, 2477 0, NULL, 0, WLAN_STATUS_SUCCESS, 2478 GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED); 2479 mwifiex_dbg(priv->adapter, MSG, 2480 "info: associated to bssid %pM successfully\n", 2481 priv->cfg_bssid); 2482 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2483 priv->adapter->auto_tdls && 2484 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2485 mwifiex_setup_auto_tdls_timer(priv); 2486 } else { 2487 mwifiex_dbg(priv->adapter, ERROR, 2488 "info: association to bssid %pM failed\n", 2489 priv->cfg_bssid); 2490 eth_zero_addr(priv->cfg_bssid); 2491 2492 if (ret > 0) 2493 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2494 NULL, 0, NULL, 0, ret, 2495 GFP_KERNEL); 2496 else 2497 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2498 NULL, 0, NULL, 0, 2499 WLAN_STATUS_UNSPECIFIED_FAILURE, 2500 GFP_KERNEL); 2501 } 2502 2503 return 0; 2504 } 2505 2506 /* 2507 * This function sets following parameters for ibss network. 2508 * - channel 2509 * - start band 2510 * - 11n flag 2511 * - secondary channel offset 2512 */ 2513 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2514 struct cfg80211_ibss_params *params) 2515 { 2516 struct mwifiex_adapter *adapter = priv->adapter; 2517 int index = 0, i; 2518 u8 config_bands = 0; 2519 2520 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2521 if (!params->basic_rates) { 2522 config_bands = BAND_B | BAND_G; 2523 } else { 2524 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2525 /* 2526 * Rates below 6 Mbps in the table are CCK 2527 * rates; 802.11b and from 6 they are OFDM; 2528 * 802.11G 2529 */ 2530 if (mwifiex_rates[i].bitrate == 60) { 2531 index = 1 << i; 2532 break; 2533 } 2534 } 2535 2536 if (params->basic_rates < index) { 2537 config_bands = BAND_B; 2538 } else { 2539 config_bands = BAND_G; 2540 if (params->basic_rates % index) 2541 config_bands |= BAND_B; 2542 } 2543 } 2544 2545 if (cfg80211_get_chandef_type(¶ms->chandef) != 2546 NL80211_CHAN_NO_HT) 2547 config_bands |= BAND_G | BAND_GN; 2548 } else { 2549 if (cfg80211_get_chandef_type(¶ms->chandef) == 2550 NL80211_CHAN_NO_HT) 2551 config_bands = BAND_A; 2552 else 2553 config_bands = BAND_AN | BAND_A; 2554 } 2555 2556 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2557 adapter->config_bands = config_bands; 2558 adapter->adhoc_start_band = config_bands; 2559 2560 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2561 adapter->adhoc_11n_enabled = true; 2562 else 2563 adapter->adhoc_11n_enabled = false; 2564 } 2565 2566 adapter->sec_chan_offset = 2567 mwifiex_chan_type_to_sec_chan_offset( 2568 cfg80211_get_chandef_type(¶ms->chandef)); 2569 priv->adhoc_channel = ieee80211_frequency_to_channel( 2570 params->chandef.chan->center_freq); 2571 2572 mwifiex_dbg(adapter, INFO, 2573 "info: set ibss band %d, chan %d, chan offset %d\n", 2574 config_bands, priv->adhoc_channel, 2575 adapter->sec_chan_offset); 2576 2577 return 0; 2578 } 2579 2580 /* 2581 * CFG802.11 operation handler to join an IBSS. 2582 * 2583 * This function does not work in any mode other than Ad-Hoc, or if 2584 * a join operation is already in progress. 2585 */ 2586 static int 2587 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2588 struct cfg80211_ibss_params *params) 2589 { 2590 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2591 int ret = 0; 2592 2593 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2594 mwifiex_dbg(priv->adapter, ERROR, 2595 "request to join ibss received\t" 2596 "when station is not in ibss mode\n"); 2597 goto done; 2598 } 2599 2600 mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n", 2601 params->bssid); 2602 2603 mwifiex_set_ibss_params(priv, params); 2604 2605 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2606 params->bssid, priv->bss_mode, 2607 params->chandef.chan, NULL, 2608 params->privacy, NULL); 2609 done: 2610 if (!ret) { 2611 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2612 params->chandef.chan, GFP_KERNEL); 2613 mwifiex_dbg(priv->adapter, MSG, 2614 "info: joined/created adhoc network with bssid\t" 2615 "%pM successfully\n", priv->cfg_bssid); 2616 } else { 2617 mwifiex_dbg(priv->adapter, ERROR, 2618 "info: failed creating/joining adhoc network\n"); 2619 } 2620 2621 return ret; 2622 } 2623 2624 /* 2625 * CFG802.11 operation handler to leave an IBSS. 2626 * 2627 * This function does not work if a leave operation is 2628 * already in progress. 2629 */ 2630 static int 2631 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2632 { 2633 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2634 2635 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2636 priv->cfg_bssid); 2637 if (mwifiex_deauthenticate(priv, NULL)) 2638 return -EFAULT; 2639 2640 eth_zero_addr(priv->cfg_bssid); 2641 2642 return 0; 2643 } 2644 2645 /* 2646 * CFG802.11 operation handler for scan request. 2647 * 2648 * This function issues a scan request to the firmware based upon 2649 * the user specified scan configuration. On successful completion, 2650 * it also informs the results. 2651 */ 2652 static int 2653 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2654 struct cfg80211_scan_request *request) 2655 { 2656 struct net_device *dev = request->wdev->netdev; 2657 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2658 int i, offset, ret; 2659 struct ieee80211_channel *chan; 2660 struct ieee_types_header *ie; 2661 struct mwifiex_user_scan_cfg *user_scan_cfg; 2662 u8 mac_addr[ETH_ALEN]; 2663 2664 mwifiex_dbg(priv->adapter, CMD, 2665 "info: received scan request on %s\n", dev->name); 2666 2667 /* Block scan request if scan operation or scan cleanup when interface 2668 * is disabled is in process 2669 */ 2670 if (priv->scan_request || priv->scan_aborting) { 2671 mwifiex_dbg(priv->adapter, WARN, 2672 "cmd: Scan already in process..\n"); 2673 return -EBUSY; 2674 } 2675 2676 if (!priv->wdev.connected && priv->scan_block) 2677 priv->scan_block = false; 2678 2679 if (!mwifiex_stop_bg_scan(priv)) 2680 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 2681 2682 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2683 if (!user_scan_cfg) 2684 return -ENOMEM; 2685 2686 priv->scan_request = request; 2687 2688 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2689 get_random_mask_addr(mac_addr, request->mac_addr, 2690 request->mac_addr_mask); 2691 ether_addr_copy(request->mac_addr, mac_addr); 2692 ether_addr_copy(user_scan_cfg->random_mac, mac_addr); 2693 } 2694 2695 user_scan_cfg->num_ssids = request->n_ssids; 2696 user_scan_cfg->ssid_list = request->ssids; 2697 2698 if (request->ie && request->ie_len) { 2699 offset = 0; 2700 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2701 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2702 continue; 2703 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2704 ie = (struct ieee_types_header *)(request->ie + offset); 2705 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2706 offset += sizeof(*ie) + ie->len; 2707 2708 if (offset >= request->ie_len) 2709 break; 2710 } 2711 } 2712 2713 for (i = 0; i < min_t(u32, request->n_channels, 2714 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2715 chan = request->channels[i]; 2716 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2717 user_scan_cfg->chan_list[i].radio_type = chan->band; 2718 2719 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2720 user_scan_cfg->chan_list[i].scan_type = 2721 MWIFIEX_SCAN_TYPE_PASSIVE; 2722 else 2723 user_scan_cfg->chan_list[i].scan_type = 2724 MWIFIEX_SCAN_TYPE_ACTIVE; 2725 2726 user_scan_cfg->chan_list[i].scan_time = 0; 2727 } 2728 2729 if (priv->adapter->scan_chan_gap_enabled && 2730 mwifiex_is_any_intf_active(priv)) 2731 user_scan_cfg->scan_chan_gap = 2732 priv->adapter->scan_chan_gap_time; 2733 2734 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2735 kfree(user_scan_cfg); 2736 if (ret) { 2737 mwifiex_dbg(priv->adapter, ERROR, 2738 "scan failed: %d\n", ret); 2739 priv->scan_aborting = false; 2740 priv->scan_request = NULL; 2741 return ret; 2742 } 2743 2744 if (request->ie && request->ie_len) { 2745 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2746 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2747 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2748 memset(&priv->vs_ie[i].ie, 0, 2749 MWIFIEX_MAX_VSIE_LEN); 2750 } 2751 } 2752 } 2753 return 0; 2754 } 2755 2756 /* CFG802.11 operation handler for sched_scan_start. 2757 * 2758 * This function issues a bgscan config request to the firmware based upon 2759 * the user specified sched_scan configuration. On successful completion, 2760 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2761 * query command to get sched_scan results from firmware. 2762 */ 2763 static int 2764 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2765 struct net_device *dev, 2766 struct cfg80211_sched_scan_request *request) 2767 { 2768 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2769 int i, offset; 2770 struct ieee80211_channel *chan; 2771 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2772 struct ieee_types_header *ie; 2773 2774 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2775 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2776 __func__); 2777 return -EINVAL; 2778 } 2779 2780 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2781 request->n_ssids, request->n_match_sets); 2782 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2783 request->n_channels, request->scan_plans->interval, 2784 (int)request->ie_len); 2785 2786 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2787 if (!bgscan_cfg) 2788 return -ENOMEM; 2789 2790 if (priv->scan_request || priv->scan_aborting) 2791 bgscan_cfg->start_later = true; 2792 2793 bgscan_cfg->num_ssids = request->n_match_sets; 2794 bgscan_cfg->ssid_list = request->match_sets; 2795 2796 if (request->ie && request->ie_len) { 2797 offset = 0; 2798 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2799 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2800 continue; 2801 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2802 ie = (struct ieee_types_header *)(request->ie + offset); 2803 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2804 offset += sizeof(*ie) + ie->len; 2805 2806 if (offset >= request->ie_len) 2807 break; 2808 } 2809 } 2810 2811 for (i = 0; i < min_t(u32, request->n_channels, 2812 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2813 chan = request->channels[i]; 2814 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2815 bgscan_cfg->chan_list[i].radio_type = chan->band; 2816 2817 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2818 bgscan_cfg->chan_list[i].scan_type = 2819 MWIFIEX_SCAN_TYPE_PASSIVE; 2820 else 2821 bgscan_cfg->chan_list[i].scan_type = 2822 MWIFIEX_SCAN_TYPE_ACTIVE; 2823 2824 bgscan_cfg->chan_list[i].scan_time = 0; 2825 } 2826 2827 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2828 MWIFIEX_BG_SCAN_CHAN_MAX); 2829 2830 /* Use at least 15 second for per scan cycle */ 2831 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2832 MWIFIEX_BGSCAN_INTERVAL) ? 2833 request->scan_plans->interval : 2834 MWIFIEX_BGSCAN_INTERVAL; 2835 2836 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2837 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2838 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2839 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2840 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2841 bgscan_cfg->enable = true; 2842 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2843 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2844 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2845 } 2846 2847 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2848 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2849 kfree(bgscan_cfg); 2850 return -EFAULT; 2851 } 2852 2853 priv->sched_scanning = true; 2854 2855 kfree(bgscan_cfg); 2856 return 0; 2857 } 2858 2859 /* CFG802.11 operation handler for sched_scan_stop. 2860 * 2861 * This function issues a bgscan config command to disable 2862 * previous bgscan configuration in the firmware 2863 */ 2864 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2865 struct net_device *dev, u64 reqid) 2866 { 2867 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2868 2869 wiphy_info(wiphy, "sched scan stop!"); 2870 mwifiex_stop_bg_scan(priv); 2871 2872 return 0; 2873 } 2874 2875 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2876 struct mwifiex_private *priv) 2877 { 2878 struct mwifiex_adapter *adapter = priv->adapter; 2879 2880 vht_info->vht_supported = true; 2881 2882 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2883 /* Update MCS support for VHT */ 2884 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2885 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2886 vht_info->vht_mcs.rx_highest = 0; 2887 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2888 adapter->hw_dot_11ac_mcs_support >> 16); 2889 vht_info->vht_mcs.tx_highest = 0; 2890 } 2891 2892 /* 2893 * This function sets up the CFG802.11 specific HT capability fields 2894 * with default values. 2895 * 2896 * The following default values are set - 2897 * - HT Supported = True 2898 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2899 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2900 * - HT Capabilities supported by firmware 2901 * - MCS information, Rx mask = 0xff 2902 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2903 */ 2904 static void 2905 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2906 struct mwifiex_private *priv) 2907 { 2908 int rx_mcs_supp; 2909 struct mwifiex_adapter *adapter = priv->adapter; 2910 2911 ht_info->ht_supported = true; 2912 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2913 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2914 2915 /* Fill HT capability information */ 2916 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2917 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2918 else 2919 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2920 2921 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2922 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2923 else 2924 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2925 2926 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2927 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2928 else 2929 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2930 2931 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2932 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2933 else 2934 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2935 2936 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2937 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2938 else 2939 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2940 2941 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2942 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2943 else 2944 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2945 2946 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2947 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2948 else 2949 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2950 2951 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2952 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2953 else 2954 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2955 2956 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2957 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2958 2959 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2960 2961 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2962 /* Set MCS for 1x1/2x2 */ 2963 memset(ht_info->mcs.rx_mask, 0xff, rx_mcs_supp); 2964 2965 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2966 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2967 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2968 SETHT_MCS32(ht_info->mcs.rx_mask); 2969 2970 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2971 } 2972 2973 /* 2974 * create a new virtual interface with the given name and name assign type 2975 */ 2976 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2977 const char *name, 2978 unsigned char name_assign_type, 2979 enum nl80211_iftype type, 2980 struct vif_params *params) 2981 { 2982 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2983 struct mwifiex_private *priv; 2984 struct net_device *dev; 2985 void *mdev_priv; 2986 int ret; 2987 2988 if (!adapter) 2989 return ERR_PTR(-EFAULT); 2990 2991 switch (type) { 2992 case NL80211_IFTYPE_UNSPECIFIED: 2993 case NL80211_IFTYPE_STATION: 2994 case NL80211_IFTYPE_ADHOC: 2995 if (adapter->curr_iface_comb.sta_intf == 2996 adapter->iface_limit.sta_intf) { 2997 mwifiex_dbg(adapter, ERROR, 2998 "cannot create multiple sta/adhoc ifaces\n"); 2999 return ERR_PTR(-EINVAL); 3000 } 3001 3002 priv = mwifiex_get_unused_priv_by_bss_type( 3003 adapter, MWIFIEX_BSS_TYPE_STA); 3004 if (!priv) { 3005 mwifiex_dbg(adapter, ERROR, 3006 "could not get free private struct\n"); 3007 return ERR_PTR(-EFAULT); 3008 } 3009 3010 priv->wdev.iftype = NL80211_IFTYPE_STATION; 3011 3012 if (type == NL80211_IFTYPE_UNSPECIFIED) 3013 priv->bss_mode = NL80211_IFTYPE_STATION; 3014 else 3015 priv->bss_mode = type; 3016 3017 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 3018 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 3019 3020 break; 3021 case NL80211_IFTYPE_AP: 3022 if (adapter->curr_iface_comb.uap_intf == 3023 adapter->iface_limit.uap_intf) { 3024 mwifiex_dbg(adapter, ERROR, 3025 "cannot create multiple AP ifaces\n"); 3026 return ERR_PTR(-EINVAL); 3027 } 3028 3029 priv = mwifiex_get_unused_priv_by_bss_type( 3030 adapter, MWIFIEX_BSS_TYPE_UAP); 3031 if (!priv) { 3032 mwifiex_dbg(adapter, ERROR, 3033 "could not get free private struct\n"); 3034 return ERR_PTR(-EFAULT); 3035 } 3036 3037 priv->wdev.iftype = NL80211_IFTYPE_AP; 3038 3039 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 3040 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 3041 priv->bss_mode = type; 3042 3043 break; 3044 case NL80211_IFTYPE_P2P_CLIENT: 3045 if (adapter->curr_iface_comb.p2p_intf == 3046 adapter->iface_limit.p2p_intf) { 3047 mwifiex_dbg(adapter, ERROR, 3048 "cannot create multiple P2P ifaces\n"); 3049 return ERR_PTR(-EINVAL); 3050 } 3051 3052 priv = mwifiex_get_unused_priv_by_bss_type( 3053 adapter, MWIFIEX_BSS_TYPE_P2P); 3054 if (!priv) { 3055 mwifiex_dbg(adapter, ERROR, 3056 "could not get free private struct\n"); 3057 return ERR_PTR(-EFAULT); 3058 } 3059 3060 /* At start-up, wpa_supplicant tries to change the interface 3061 * to NL80211_IFTYPE_STATION if it is not managed mode. 3062 */ 3063 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 3064 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 3065 3066 /* Setting bss_type to P2P tells firmware that this interface 3067 * is receiving P2P peers found during find phase and doing 3068 * action frame handshake. 3069 */ 3070 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 3071 3072 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 3073 3074 if (mwifiex_cfg80211_init_p2p_client(priv)) { 3075 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3076 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3077 return ERR_PTR(-EFAULT); 3078 } 3079 3080 break; 3081 default: 3082 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3083 return ERR_PTR(-EINVAL); 3084 } 3085 3086 priv->wdev.wiphy = wiphy; 3087 priv->bss_priority = 0; 3088 priv->bss_started = 0; 3089 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 3090 3091 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 3092 name_assign_type, ether_setup, 3093 IEEE80211_NUM_ACS, 1); 3094 if (!dev) { 3095 mwifiex_dbg(adapter, ERROR, 3096 "no memory available for netdevice\n"); 3097 ret = -ENOMEM; 3098 goto err_alloc_netdev; 3099 } 3100 3101 mwifiex_init_priv_params(priv, dev); 3102 3103 priv->netdev = dev; 3104 3105 if (!adapter->mfg_mode) { 3106 mwifiex_set_mac_address(priv, dev, false, NULL); 3107 3108 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 3109 HostCmd_ACT_GEN_SET, 0, NULL, true); 3110 if (ret) 3111 goto err_set_bss_mode; 3112 3113 ret = mwifiex_sta_init_cmd(priv, false); 3114 if (ret) 3115 goto err_sta_init; 3116 } 3117 3118 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 3119 if (adapter->is_hw_11ac_capable) 3120 mwifiex_setup_vht_caps( 3121 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 3122 3123 if (adapter->config_bands & BAND_A) 3124 mwifiex_setup_ht_caps( 3125 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 3126 3127 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 3128 mwifiex_setup_vht_caps( 3129 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 3130 3131 dev_net_set(dev, wiphy_net(wiphy)); 3132 dev->ieee80211_ptr = &priv->wdev; 3133 dev->ieee80211_ptr->iftype = priv->bss_mode; 3134 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 3135 3136 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 3137 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 3138 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN; 3139 dev->ethtool_ops = &mwifiex_ethtool_ops; 3140 3141 mdev_priv = netdev_priv(dev); 3142 *((unsigned long *) mdev_priv) = (unsigned long) priv; 3143 3144 SET_NETDEV_DEV(dev, adapter->dev); 3145 3146 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 3147 WQ_HIGHPRI | 3148 WQ_MEM_RECLAIM | 3149 WQ_UNBOUND, 0, name); 3150 if (!priv->dfs_cac_workqueue) { 3151 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); 3152 ret = -ENOMEM; 3153 goto err_alloc_cac; 3154 } 3155 3156 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3157 3158 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 3159 WQ_HIGHPRI | WQ_UNBOUND | 3160 WQ_MEM_RECLAIM, 0, name); 3161 if (!priv->dfs_chan_sw_workqueue) { 3162 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); 3163 ret = -ENOMEM; 3164 goto err_alloc_chsw; 3165 } 3166 3167 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3168 mwifiex_dfs_chan_sw_work_queue); 3169 3170 mutex_init(&priv->async_mutex); 3171 3172 /* Register network device */ 3173 if (cfg80211_register_netdevice(dev)) { 3174 mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); 3175 ret = -EFAULT; 3176 goto err_reg_netdev; 3177 } 3178 3179 mwifiex_dbg(adapter, INFO, 3180 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3181 3182 #ifdef CONFIG_DEBUG_FS 3183 mwifiex_dev_debugfs_init(priv); 3184 #endif 3185 3186 update_vif_type_counter(adapter, type, +1); 3187 3188 return &priv->wdev; 3189 3190 err_reg_netdev: 3191 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3192 priv->dfs_chan_sw_workqueue = NULL; 3193 err_alloc_chsw: 3194 destroy_workqueue(priv->dfs_cac_workqueue); 3195 priv->dfs_cac_workqueue = NULL; 3196 err_alloc_cac: 3197 free_netdev(dev); 3198 priv->netdev = NULL; 3199 err_sta_init: 3200 err_set_bss_mode: 3201 err_alloc_netdev: 3202 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3203 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3204 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3205 return ERR_PTR(ret); 3206 } 3207 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3208 3209 /* 3210 * del_virtual_intf: remove the virtual interface determined by dev 3211 */ 3212 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3213 { 3214 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3215 struct mwifiex_adapter *adapter = priv->adapter; 3216 struct sk_buff *skb, *tmp; 3217 3218 #ifdef CONFIG_DEBUG_FS 3219 mwifiex_dev_debugfs_remove(priv); 3220 #endif 3221 3222 if (priv->sched_scanning) 3223 priv->sched_scanning = false; 3224 3225 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3226 3227 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3228 skb_unlink(skb, &priv->bypass_txq); 3229 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3230 } 3231 3232 if (netif_carrier_ok(priv->netdev)) 3233 netif_carrier_off(priv->netdev); 3234 3235 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3236 cfg80211_unregister_netdevice(wdev->netdev); 3237 3238 if (priv->dfs_cac_workqueue) { 3239 destroy_workqueue(priv->dfs_cac_workqueue); 3240 priv->dfs_cac_workqueue = NULL; 3241 } 3242 3243 if (priv->dfs_chan_sw_workqueue) { 3244 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3245 priv->dfs_chan_sw_workqueue = NULL; 3246 } 3247 /* Clear the priv in adapter */ 3248 priv->netdev = NULL; 3249 3250 update_vif_type_counter(adapter, priv->bss_mode, -1); 3251 3252 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3253 3254 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3255 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3256 kfree(priv->hist_data); 3257 3258 return 0; 3259 } 3260 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3261 3262 static bool 3263 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3264 u8 max_byte_seq) 3265 { 3266 int j, k, valid_byte_cnt = 0; 3267 bool dont_care_byte = false; 3268 3269 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3270 for (k = 0; k < 8; k++) { 3271 if (pat->mask[j] & 1 << k) { 3272 memcpy(byte_seq + valid_byte_cnt, 3273 &pat->pattern[j * 8 + k], 1); 3274 valid_byte_cnt++; 3275 if (dont_care_byte) 3276 return false; 3277 } else { 3278 if (valid_byte_cnt) 3279 dont_care_byte = true; 3280 } 3281 3282 /* wildcard bytes record as the offset 3283 * before the valid byte 3284 */ 3285 if (!valid_byte_cnt && !dont_care_byte) 3286 pat->pkt_offset++; 3287 3288 if (valid_byte_cnt > max_byte_seq) 3289 return false; 3290 } 3291 } 3292 3293 byte_seq[max_byte_seq] = valid_byte_cnt; 3294 3295 return true; 3296 } 3297 3298 #ifdef CONFIG_PM 3299 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3300 struct mwifiex_mef_entry *mef_entry) 3301 { 3302 int i, filt_num = 0, num_ipv4 = 0; 3303 struct in_device *in_dev; 3304 struct in_ifaddr *ifa; 3305 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3306 struct mwifiex_adapter *adapter = priv->adapter; 3307 3308 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3309 mef_entry->action = MEF_ACTION_AUTO_ARP; 3310 3311 /* Enable ARP offload feature */ 3312 memset(ips, 0, sizeof(ips)); 3313 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3314 if (adapter->priv[i]->netdev) { 3315 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3316 if (!in_dev) 3317 continue; 3318 ifa = rtnl_dereference(in_dev->ifa_list); 3319 if (!ifa || !ifa->ifa_local) 3320 continue; 3321 ips[i] = ifa->ifa_local; 3322 num_ipv4++; 3323 } 3324 } 3325 3326 for (i = 0; i < num_ipv4; i++) { 3327 if (!ips[i]) 3328 continue; 3329 mef_entry->filter[filt_num].repeat = 1; 3330 memcpy(mef_entry->filter[filt_num].byte_seq, 3331 (u8 *)&ips[i], sizeof(ips[i])); 3332 mef_entry->filter[filt_num]. 3333 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3334 sizeof(ips[i]); 3335 mef_entry->filter[filt_num].offset = 46; 3336 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3337 if (filt_num) { 3338 mef_entry->filter[filt_num].filt_action = 3339 TYPE_OR; 3340 } 3341 filt_num++; 3342 } 3343 3344 mef_entry->filter[filt_num].repeat = 1; 3345 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3346 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3347 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3348 mef_entry->filter[filt_num].offset = 20; 3349 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3350 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3351 } 3352 3353 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3354 struct mwifiex_ds_mef_cfg *mef_cfg, 3355 struct mwifiex_mef_entry *mef_entry, 3356 struct cfg80211_wowlan *wowlan) 3357 { 3358 int i, filt_num = 0, ret = 0; 3359 bool first_pat = true; 3360 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3361 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3362 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3363 3364 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3365 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3366 3367 for (i = 0; i < wowlan->n_patterns; i++) { 3368 memset(byte_seq, 0, sizeof(byte_seq)); 3369 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3370 byte_seq, 3371 MWIFIEX_MEF_MAX_BYTESEQ)) { 3372 mwifiex_dbg(priv->adapter, ERROR, 3373 "Pattern not supported\n"); 3374 return -EOPNOTSUPP; 3375 } 3376 3377 if (!wowlan->patterns[i].pkt_offset) { 3378 if (is_unicast_ether_addr(byte_seq) && 3379 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3380 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3381 continue; 3382 } else if (is_broadcast_ether_addr(byte_seq)) { 3383 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3384 continue; 3385 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3386 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3387 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3388 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3389 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3390 continue; 3391 } 3392 } 3393 mef_entry->filter[filt_num].repeat = 1; 3394 mef_entry->filter[filt_num].offset = 3395 wowlan->patterns[i].pkt_offset; 3396 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3397 sizeof(byte_seq)); 3398 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3399 3400 if (first_pat) { 3401 first_pat = false; 3402 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3403 } else { 3404 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3405 } 3406 3407 filt_num++; 3408 } 3409 3410 if (wowlan->magic_pkt) { 3411 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3412 mef_entry->filter[filt_num].repeat = 16; 3413 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3414 ETH_ALEN); 3415 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3416 ETH_ALEN; 3417 mef_entry->filter[filt_num].offset = 28; 3418 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3419 if (filt_num) 3420 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3421 3422 filt_num++; 3423 mef_entry->filter[filt_num].repeat = 16; 3424 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3425 ETH_ALEN); 3426 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3427 ETH_ALEN; 3428 mef_entry->filter[filt_num].offset = 56; 3429 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3430 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3431 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3432 } 3433 return ret; 3434 } 3435 3436 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3437 struct cfg80211_wowlan *wowlan) 3438 { 3439 int ret = 0, num_entries = 1; 3440 struct mwifiex_ds_mef_cfg mef_cfg; 3441 struct mwifiex_mef_entry *mef_entry; 3442 3443 if (wowlan->n_patterns || wowlan->magic_pkt) 3444 num_entries++; 3445 3446 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3447 if (!mef_entry) 3448 return -ENOMEM; 3449 3450 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3451 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3452 MWIFIEX_CRITERIA_UNICAST; 3453 mef_cfg.num_entries = num_entries; 3454 mef_cfg.mef_entry = mef_entry; 3455 3456 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3457 3458 if (wowlan->n_patterns || wowlan->magic_pkt) { 3459 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3460 &mef_entry[1], wowlan); 3461 if (ret) 3462 goto err; 3463 } 3464 3465 if (!mef_cfg.criteria) 3466 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3467 MWIFIEX_CRITERIA_UNICAST | 3468 MWIFIEX_CRITERIA_MULTICAST; 3469 3470 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3471 HostCmd_ACT_GEN_SET, 0, 3472 &mef_cfg, true); 3473 3474 err: 3475 kfree(mef_entry); 3476 return ret; 3477 } 3478 3479 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3480 struct cfg80211_wowlan *wowlan) 3481 { 3482 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3483 struct mwifiex_ds_hs_cfg hs_cfg; 3484 int i, ret = 0, retry_num = 10; 3485 struct mwifiex_private *priv; 3486 struct mwifiex_private *sta_priv = 3487 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3488 3489 sta_priv->scan_aborting = true; 3490 for (i = 0; i < adapter->priv_num; i++) { 3491 priv = adapter->priv[i]; 3492 mwifiex_abort_cac(priv); 3493 } 3494 3495 mwifiex_cancel_all_pending_cmd(adapter); 3496 3497 for (i = 0; i < adapter->priv_num; i++) { 3498 priv = adapter->priv[i]; 3499 if (priv->netdev) 3500 netif_device_detach(priv->netdev); 3501 } 3502 3503 for (i = 0; i < retry_num; i++) { 3504 if (!mwifiex_wmm_lists_empty(adapter) || 3505 !mwifiex_bypass_txlist_empty(adapter) || 3506 !skb_queue_empty(&adapter->tx_data_q)) 3507 usleep_range(10000, 15000); 3508 else 3509 break; 3510 } 3511 3512 if (!wowlan) { 3513 mwifiex_dbg(adapter, INFO, 3514 "None of the WOWLAN triggers enabled\n"); 3515 ret = 0; 3516 goto done; 3517 } 3518 3519 if (!sta_priv->media_connected && !wowlan->nd_config) { 3520 mwifiex_dbg(adapter, ERROR, 3521 "Can not configure WOWLAN in disconnected state\n"); 3522 ret = 0; 3523 goto done; 3524 } 3525 3526 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3527 if (ret) { 3528 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3529 goto done; 3530 } 3531 3532 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3533 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3534 3535 if (wowlan->nd_config) { 3536 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3537 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3538 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3539 wowlan->nd_config); 3540 } 3541 3542 if (wowlan->disconnect) { 3543 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3544 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3545 } 3546 3547 hs_cfg.is_invoke_hostcmd = false; 3548 hs_cfg.gpio = adapter->hs_cfg.gpio; 3549 hs_cfg.gap = adapter->hs_cfg.gap; 3550 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3551 MWIFIEX_SYNC_CMD, &hs_cfg); 3552 if (ret) 3553 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3554 3555 done: 3556 sta_priv->scan_aborting = false; 3557 return ret; 3558 } 3559 3560 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3561 { 3562 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3563 struct mwifiex_private *priv; 3564 struct mwifiex_ds_wakeup_reason wakeup_reason; 3565 struct cfg80211_wowlan_wakeup wakeup_report; 3566 int i; 3567 bool report_wakeup_reason = true; 3568 3569 for (i = 0; i < adapter->priv_num; i++) { 3570 priv = adapter->priv[i]; 3571 if (priv->netdev) 3572 netif_device_attach(priv->netdev); 3573 } 3574 3575 if (!wiphy->wowlan_config) 3576 goto done; 3577 3578 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3579 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3580 &wakeup_reason); 3581 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3582 3583 wakeup_report.pattern_idx = -1; 3584 3585 switch (wakeup_reason.hs_wakeup_reason) { 3586 case NO_HSWAKEUP_REASON: 3587 break; 3588 case BCAST_DATA_MATCHED: 3589 break; 3590 case MCAST_DATA_MATCHED: 3591 break; 3592 case UCAST_DATA_MATCHED: 3593 break; 3594 case MASKTABLE_EVENT_MATCHED: 3595 break; 3596 case NON_MASKABLE_EVENT_MATCHED: 3597 if (wiphy->wowlan_config->disconnect) 3598 wakeup_report.disconnect = true; 3599 if (wiphy->wowlan_config->nd_config) 3600 wakeup_report.net_detect = adapter->nd_info; 3601 break; 3602 case NON_MASKABLE_CONDITION_MATCHED: 3603 break; 3604 case MAGIC_PATTERN_MATCHED: 3605 if (wiphy->wowlan_config->magic_pkt) 3606 wakeup_report.magic_pkt = true; 3607 if (wiphy->wowlan_config->n_patterns) 3608 wakeup_report.pattern_idx = 1; 3609 break; 3610 case GTK_REKEY_FAILURE: 3611 if (wiphy->wowlan_config->gtk_rekey_failure) 3612 wakeup_report.gtk_rekey_failure = true; 3613 break; 3614 default: 3615 report_wakeup_reason = false; 3616 break; 3617 } 3618 3619 if (report_wakeup_reason) 3620 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3621 GFP_KERNEL); 3622 3623 done: 3624 if (adapter->nd_info) { 3625 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3626 kfree(adapter->nd_info->matches[i]); 3627 kfree(adapter->nd_info); 3628 adapter->nd_info = NULL; 3629 } 3630 3631 return 0; 3632 } 3633 3634 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3635 bool enabled) 3636 { 3637 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3638 3639 device_set_wakeup_enable(adapter->dev, enabled); 3640 } 3641 3642 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3643 struct cfg80211_gtk_rekey_data *data) 3644 { 3645 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3646 3647 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 3648 return -EOPNOTSUPP; 3649 3650 if (priv->adapter->host_mlme_enabled) 3651 return 0; 3652 3653 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3654 HostCmd_ACT_GEN_SET, 0, data, true); 3655 } 3656 3657 #endif 3658 3659 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3660 { 3661 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3662 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3663 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3664 3665 if ((byte_seq[0] & 0x01) && 3666 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3667 return PACKET_TYPE_UNICAST; 3668 else if (!memcmp(byte_seq, bc_mac, 4)) 3669 return PACKET_TYPE_BROADCAST; 3670 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3671 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3672 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3673 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3674 return PACKET_TYPE_MULTICAST; 3675 3676 return 0; 3677 } 3678 3679 static int 3680 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3681 struct cfg80211_coalesce_rules *crule, 3682 struct mwifiex_coalesce_rule *mrule) 3683 { 3684 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3685 struct filt_field_param *param; 3686 int i; 3687 3688 mrule->max_coalescing_delay = crule->delay; 3689 3690 param = mrule->params; 3691 3692 for (i = 0; i < crule->n_patterns; i++) { 3693 memset(byte_seq, 0, sizeof(byte_seq)); 3694 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3695 byte_seq, 3696 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3697 mwifiex_dbg(priv->adapter, ERROR, 3698 "Pattern not supported\n"); 3699 return -EOPNOTSUPP; 3700 } 3701 3702 if (!crule->patterns[i].pkt_offset) { 3703 u8 pkt_type; 3704 3705 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3706 if (pkt_type && mrule->pkt_type) { 3707 mwifiex_dbg(priv->adapter, ERROR, 3708 "Multiple packet types not allowed\n"); 3709 return -EOPNOTSUPP; 3710 } else if (pkt_type) { 3711 mrule->pkt_type = pkt_type; 3712 continue; 3713 } 3714 } 3715 3716 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3717 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3718 else 3719 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3720 3721 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3722 memcpy(param->operand_byte_stream, byte_seq, 3723 param->operand_len); 3724 param->offset = crule->patterns[i].pkt_offset; 3725 param++; 3726 3727 mrule->num_of_fields++; 3728 } 3729 3730 if (!mrule->pkt_type) { 3731 mwifiex_dbg(priv->adapter, ERROR, 3732 "Packet type can not be determined\n"); 3733 return -EOPNOTSUPP; 3734 } 3735 3736 return 0; 3737 } 3738 3739 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3740 struct cfg80211_coalesce *coalesce) 3741 { 3742 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3743 int i, ret; 3744 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3745 struct mwifiex_private *priv = 3746 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3747 3748 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3749 if (!coalesce) { 3750 mwifiex_dbg(adapter, WARN, 3751 "Disable coalesce and reset all previous rules\n"); 3752 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3753 HostCmd_ACT_GEN_SET, 0, 3754 &coalesce_cfg, true); 3755 } 3756 3757 coalesce_cfg.num_of_rules = coalesce->n_rules; 3758 for (i = 0; i < coalesce->n_rules; i++) { 3759 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3760 &coalesce_cfg.rule[i]); 3761 if (ret) { 3762 mwifiex_dbg(adapter, ERROR, 3763 "Recheck the patterns provided for rule %d\n", 3764 i + 1); 3765 return ret; 3766 } 3767 } 3768 3769 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3770 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3771 } 3772 3773 /* cfg80211 ops handler for tdls_mgmt. 3774 * Function prepares TDLS action frame packets and forwards them to FW 3775 */ 3776 static int 3777 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3778 const u8 *peer, int link_id, u8 action_code, 3779 u8 dialog_token, u16 status_code, 3780 u32 peer_capability, bool initiator, 3781 const u8 *extra_ies, size_t extra_ies_len) 3782 { 3783 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3784 int ret; 3785 3786 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3787 return -EOPNOTSUPP; 3788 3789 /* make sure we are in station mode and connected */ 3790 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3791 return -EOPNOTSUPP; 3792 3793 switch (action_code) { 3794 case WLAN_TDLS_SETUP_REQUEST: 3795 mwifiex_dbg(priv->adapter, MSG, 3796 "Send TDLS Setup Request to %pM status_code=%d\n", 3797 peer, status_code); 3798 mwifiex_add_auto_tdls_peer(priv, peer); 3799 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3800 dialog_token, status_code, 3801 extra_ies, extra_ies_len); 3802 break; 3803 case WLAN_TDLS_SETUP_RESPONSE: 3804 mwifiex_add_auto_tdls_peer(priv, peer); 3805 mwifiex_dbg(priv->adapter, MSG, 3806 "Send TDLS Setup Response to %pM status_code=%d\n", 3807 peer, status_code); 3808 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3809 dialog_token, status_code, 3810 extra_ies, extra_ies_len); 3811 break; 3812 case WLAN_TDLS_SETUP_CONFIRM: 3813 mwifiex_dbg(priv->adapter, MSG, 3814 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3815 status_code); 3816 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3817 dialog_token, status_code, 3818 extra_ies, extra_ies_len); 3819 break; 3820 case WLAN_TDLS_TEARDOWN: 3821 mwifiex_dbg(priv->adapter, MSG, 3822 "Send TDLS Tear down to %pM\n", peer); 3823 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3824 dialog_token, status_code, 3825 extra_ies, extra_ies_len); 3826 break; 3827 case WLAN_TDLS_DISCOVERY_REQUEST: 3828 mwifiex_dbg(priv->adapter, MSG, 3829 "Send TDLS Discovery Request to %pM\n", peer); 3830 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3831 dialog_token, status_code, 3832 extra_ies, extra_ies_len); 3833 break; 3834 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3835 mwifiex_dbg(priv->adapter, MSG, 3836 "Send TDLS Discovery Response to %pM\n", peer); 3837 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3838 dialog_token, status_code, 3839 extra_ies, extra_ies_len); 3840 break; 3841 default: 3842 mwifiex_dbg(priv->adapter, ERROR, 3843 "Unknown TDLS mgmt/action frame %pM\n", peer); 3844 ret = -EINVAL; 3845 break; 3846 } 3847 3848 return ret; 3849 } 3850 3851 static int 3852 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3853 const u8 *peer, enum nl80211_tdls_operation action) 3854 { 3855 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3856 3857 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3858 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3859 return -EOPNOTSUPP; 3860 3861 /* make sure we are in station mode and connected */ 3862 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3863 return -EOPNOTSUPP; 3864 3865 mwifiex_dbg(priv->adapter, MSG, 3866 "TDLS peer=%pM, oper=%d\n", peer, action); 3867 3868 switch (action) { 3869 case NL80211_TDLS_ENABLE_LINK: 3870 action = MWIFIEX_TDLS_ENABLE_LINK; 3871 break; 3872 case NL80211_TDLS_DISABLE_LINK: 3873 action = MWIFIEX_TDLS_DISABLE_LINK; 3874 break; 3875 case NL80211_TDLS_TEARDOWN: 3876 /* shouldn't happen!*/ 3877 mwifiex_dbg(priv->adapter, ERROR, 3878 "tdls_oper: teardown from driver not supported\n"); 3879 return -EINVAL; 3880 case NL80211_TDLS_SETUP: 3881 /* shouldn't happen!*/ 3882 mwifiex_dbg(priv->adapter, ERROR, 3883 "tdls_oper: setup from driver not supported\n"); 3884 return -EINVAL; 3885 case NL80211_TDLS_DISCOVERY_REQ: 3886 /* shouldn't happen!*/ 3887 mwifiex_dbg(priv->adapter, ERROR, 3888 "tdls_oper: discovery from driver not supported\n"); 3889 return -EINVAL; 3890 default: 3891 mwifiex_dbg(priv->adapter, ERROR, 3892 "tdls_oper: operation not supported\n"); 3893 return -EOPNOTSUPP; 3894 } 3895 3896 return mwifiex_tdls_oper(priv, peer, action); 3897 } 3898 3899 static int 3900 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3901 const u8 *addr, u8 oper_class, 3902 struct cfg80211_chan_def *chandef) 3903 { 3904 struct mwifiex_sta_node *sta_ptr; 3905 u16 chan; 3906 u8 second_chan_offset, band; 3907 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3908 3909 spin_lock_bh(&priv->sta_list_spinlock); 3910 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3911 if (!sta_ptr) { 3912 spin_unlock_bh(&priv->sta_list_spinlock); 3913 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3914 __func__, addr); 3915 return -ENOENT; 3916 } 3917 3918 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3919 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3920 spin_unlock_bh(&priv->sta_list_spinlock); 3921 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3922 return -ENOENT; 3923 } 3924 3925 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3926 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3927 spin_unlock_bh(&priv->sta_list_spinlock); 3928 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3929 return -EALREADY; 3930 } 3931 spin_unlock_bh(&priv->sta_list_spinlock); 3932 3933 chan = chandef->chan->hw_value; 3934 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3935 band = chandef->chan->band; 3936 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3937 3938 return 0; 3939 } 3940 3941 static void 3942 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3943 struct net_device *dev, 3944 const u8 *addr) 3945 { 3946 struct mwifiex_sta_node *sta_ptr; 3947 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3948 3949 spin_lock_bh(&priv->sta_list_spinlock); 3950 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3951 if (!sta_ptr) { 3952 spin_unlock_bh(&priv->sta_list_spinlock); 3953 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3954 __func__, addr); 3955 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3956 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3957 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3958 spin_unlock_bh(&priv->sta_list_spinlock); 3959 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3960 addr); 3961 } else { 3962 spin_unlock_bh(&priv->sta_list_spinlock); 3963 mwifiex_stop_tdls_cs(priv, addr); 3964 } 3965 } 3966 3967 static int 3968 mwifiex_cfg80211_uap_add_station(struct mwifiex_private *priv, const u8 *mac, 3969 struct station_parameters *params) 3970 { 3971 struct mwifiex_sta_info add_sta; 3972 int ret; 3973 3974 memcpy(add_sta.peer_mac, mac, ETH_ALEN); 3975 add_sta.params = params; 3976 3977 ret = mwifiex_send_cmd(priv, HostCmd_CMD_ADD_NEW_STATION, 3978 HostCmd_ACT_ADD_STA, 0, (void *)&add_sta, true); 3979 3980 if (!ret) { 3981 struct station_info *sinfo; 3982 3983 sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL); 3984 if (!sinfo) 3985 return -ENOMEM; 3986 3987 cfg80211_new_sta(priv->netdev, mac, sinfo, GFP_KERNEL); 3988 kfree(sinfo); 3989 } 3990 3991 return ret; 3992 } 3993 3994 static int 3995 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3996 const u8 *mac, struct station_parameters *params) 3997 { 3998 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3999 4000 if (priv->adapter->host_mlme_enabled && 4001 (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)) 4002 return mwifiex_cfg80211_uap_add_station(priv, mac, params); 4003 4004 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4005 return -EOPNOTSUPP; 4006 4007 /* make sure we are in station mode and connected */ 4008 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4009 return -EOPNOTSUPP; 4010 4011 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 4012 } 4013 4014 static int 4015 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4016 struct cfg80211_csa_settings *params) 4017 { 4018 struct ieee_types_header *chsw_ie; 4019 struct ieee80211_channel_sw_ie *channel_sw; 4020 int chsw_msec; 4021 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4022 4023 if (priv->adapter->scan_processing) { 4024 mwifiex_dbg(priv->adapter, ERROR, 4025 "radar detection: scan in process...\n"); 4026 return -EBUSY; 4027 } 4028 4029 if (priv->wdev.links[0].cac_started) 4030 return -EBUSY; 4031 4032 if (cfg80211_chandef_identical(¶ms->chandef, 4033 &priv->dfs_chandef)) 4034 return -EINVAL; 4035 4036 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 4037 params->beacon_csa.tail, 4038 params->beacon_csa.tail_len); 4039 if (!chsw_ie) { 4040 mwifiex_dbg(priv->adapter, ERROR, 4041 "Could not parse channel switch announcement IE\n"); 4042 return -EINVAL; 4043 } 4044 4045 channel_sw = (void *)(chsw_ie + 1); 4046 if (channel_sw->mode) { 4047 if (netif_carrier_ok(priv->netdev)) 4048 netif_carrier_off(priv->netdev); 4049 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 4050 } 4051 4052 if (mwifiex_del_mgmt_ies(priv)) 4053 mwifiex_dbg(priv->adapter, ERROR, 4054 "Failed to delete mgmt IEs!\n"); 4055 4056 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 4057 mwifiex_dbg(priv->adapter, ERROR, 4058 "%s: setting mgmt ies failed\n", __func__); 4059 return -EFAULT; 4060 } 4061 4062 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 4063 memcpy(&priv->beacon_after, ¶ms->beacon_after, 4064 sizeof(priv->beacon_after)); 4065 4066 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 4067 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 4068 msecs_to_jiffies(chsw_msec)); 4069 return 0; 4070 } 4071 4072 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 4073 struct wireless_dev *wdev, 4074 unsigned int link_id, 4075 struct cfg80211_chan_def *chandef) 4076 { 4077 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4078 struct mwifiex_bssdescriptor *curr_bss; 4079 struct ieee80211_channel *chan; 4080 enum nl80211_channel_type chan_type; 4081 enum nl80211_band band; 4082 int freq; 4083 int ret = -ENODATA; 4084 4085 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 4086 cfg80211_chandef_valid(&priv->bss_chandef)) { 4087 *chandef = priv->bss_chandef; 4088 ret = 0; 4089 } else if (priv->media_connected) { 4090 curr_bss = &priv->curr_bss_params.bss_descriptor; 4091 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 4092 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 4093 chan = ieee80211_get_channel(wiphy, freq); 4094 4095 if (priv->ht_param_present) { 4096 chan_type = mwifiex_get_chan_type(priv); 4097 cfg80211_chandef_create(chandef, chan, chan_type); 4098 } else { 4099 cfg80211_chandef_create(chandef, chan, 4100 NL80211_CHAN_NO_HT); 4101 } 4102 ret = 0; 4103 } 4104 4105 return ret; 4106 } 4107 4108 #ifdef CONFIG_NL80211_TESTMODE 4109 4110 enum mwifiex_tm_attr { 4111 __MWIFIEX_TM_ATTR_INVALID = 0, 4112 MWIFIEX_TM_ATTR_CMD = 1, 4113 MWIFIEX_TM_ATTR_DATA = 2, 4114 4115 /* keep last */ 4116 __MWIFIEX_TM_ATTR_AFTER_LAST, 4117 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 4118 }; 4119 4120 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 4121 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 4122 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 4123 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 4124 }; 4125 4126 enum mwifiex_tm_command { 4127 MWIFIEX_TM_CMD_HOSTCMD = 0, 4128 }; 4129 4130 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 4131 void *data, int len) 4132 { 4133 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4134 struct mwifiex_ds_misc_cmd *hostcmd; 4135 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 4136 struct sk_buff *skb; 4137 int err; 4138 4139 if (!priv) 4140 return -EINVAL; 4141 4142 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len, 4143 mwifiex_tm_policy, NULL); 4144 if (err) 4145 return err; 4146 4147 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4148 return -EINVAL; 4149 4150 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4151 case MWIFIEX_TM_CMD_HOSTCMD: 4152 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4153 return -EINVAL; 4154 4155 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); 4156 if (!hostcmd) 4157 return -ENOMEM; 4158 4159 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4160 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4161 hostcmd->len); 4162 4163 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4164 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4165 kfree(hostcmd); 4166 return -EFAULT; 4167 } 4168 4169 /* process hostcmd response*/ 4170 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4171 if (!skb) { 4172 kfree(hostcmd); 4173 return -ENOMEM; 4174 } 4175 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4176 hostcmd->len, hostcmd->cmd); 4177 if (err) { 4178 kfree(hostcmd); 4179 kfree_skb(skb); 4180 return -EMSGSIZE; 4181 } 4182 4183 err = cfg80211_testmode_reply(skb); 4184 kfree(hostcmd); 4185 return err; 4186 default: 4187 return -EOPNOTSUPP; 4188 } 4189 } 4190 #endif 4191 4192 static int 4193 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4194 struct net_device *dev, 4195 struct cfg80211_chan_def *chandef, 4196 u32 cac_time_ms, int link_id) 4197 { 4198 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4199 struct mwifiex_radar_params radar_params; 4200 4201 if (priv->adapter->scan_processing) { 4202 mwifiex_dbg(priv->adapter, ERROR, 4203 "radar detection: scan already in process...\n"); 4204 return -EBUSY; 4205 } 4206 4207 if (!mwifiex_is_11h_active(priv)) { 4208 mwifiex_dbg(priv->adapter, INFO, 4209 "Enable 11h extensions in FW\n"); 4210 if (mwifiex_11h_activate(priv, true)) { 4211 mwifiex_dbg(priv->adapter, ERROR, 4212 "Failed to activate 11h extensions!!"); 4213 return -1; 4214 } 4215 priv->state_11h.is_11h_active = true; 4216 } 4217 4218 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4219 radar_params.chandef = chandef; 4220 radar_params.cac_time_ms = cac_time_ms; 4221 4222 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4223 4224 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4225 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4226 return -1; 4227 4228 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4229 msecs_to_jiffies(cac_time_ms)); 4230 return 0; 4231 } 4232 4233 static int 4234 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 4235 const u8 *mac, 4236 struct station_parameters *params) 4237 { 4238 int ret; 4239 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4240 4241 if (priv->adapter->host_mlme_enabled && 4242 (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)) 4243 return 0; 4244 4245 /* we support change_station handler only for TDLS peers*/ 4246 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4247 return -EOPNOTSUPP; 4248 4249 /* make sure we are in station mode and connected */ 4250 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4251 return -EOPNOTSUPP; 4252 4253 priv->sta_params = params; 4254 4255 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4256 priv->sta_params = NULL; 4257 4258 return ret; 4259 } 4260 4261 static int 4262 mwifiex_cfg80211_authenticate(struct wiphy *wiphy, 4263 struct net_device *dev, 4264 struct cfg80211_auth_request *req) 4265 { 4266 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4267 struct mwifiex_adapter *adapter = priv->adapter; 4268 struct sk_buff *skb; 4269 u16 pkt_len, auth_alg; 4270 int ret; 4271 struct mwifiex_ieee80211_mgmt *mgmt; 4272 struct mwifiex_txinfo *tx_info; 4273 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 4274 u8 trans = 1, status_code = 0; 4275 u8 *varptr = NULL; 4276 4277 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 4278 mwifiex_dbg(priv->adapter, ERROR, "Interface role is AP\n"); 4279 return -EFAULT; 4280 } 4281 4282 if (priv->wdev.iftype != NL80211_IFTYPE_STATION) { 4283 mwifiex_dbg(priv->adapter, ERROR, 4284 "Interface type is not correct (type %d)\n", 4285 priv->wdev.iftype); 4286 return -EINVAL; 4287 } 4288 4289 if (priv->auth_alg != WLAN_AUTH_SAE && 4290 (priv->auth_flag & HOST_MLME_AUTH_PENDING)) { 4291 mwifiex_dbg(priv->adapter, ERROR, "Pending auth on going\n"); 4292 return -EBUSY; 4293 } 4294 4295 if (!priv->host_mlme_reg) { 4296 priv->host_mlme_reg = true; 4297 priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; 4298 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 4299 HostCmd_ACT_GEN_SET, 0, 4300 &priv->mgmt_frame_mask, false); 4301 } 4302 4303 switch (req->auth_type) { 4304 case NL80211_AUTHTYPE_OPEN_SYSTEM: 4305 auth_alg = WLAN_AUTH_OPEN; 4306 break; 4307 case NL80211_AUTHTYPE_SHARED_KEY: 4308 auth_alg = WLAN_AUTH_SHARED_KEY; 4309 break; 4310 case NL80211_AUTHTYPE_FT: 4311 auth_alg = WLAN_AUTH_FT; 4312 break; 4313 case NL80211_AUTHTYPE_NETWORK_EAP: 4314 auth_alg = WLAN_AUTH_LEAP; 4315 break; 4316 case NL80211_AUTHTYPE_SAE: 4317 auth_alg = WLAN_AUTH_SAE; 4318 break; 4319 default: 4320 mwifiex_dbg(priv->adapter, ERROR, 4321 "unsupported auth type=%d\n", req->auth_type); 4322 return -EOPNOTSUPP; 4323 } 4324 4325 if (!priv->auth_flag) { 4326 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, 4327 req->bss->channel, 4328 AUTH_TX_DEFAULT_WAIT_TIME); 4329 4330 if (!ret) { 4331 priv->roc_cfg.cookie = get_random_u32() | 1; 4332 priv->roc_cfg.chan = *req->bss->channel; 4333 } else { 4334 return -EFAULT; 4335 } 4336 } 4337 4338 priv->sec_info.authentication_mode = auth_alg; 4339 4340 mwifiex_cancel_scan(adapter); 4341 4342 pkt_len = (u16)req->ie_len + req->auth_data_len + 4343 MWIFIEX_MGMT_HEADER_LEN + MWIFIEX_AUTH_BODY_LEN; 4344 if (req->auth_data_len >= 4) 4345 pkt_len -= 4; 4346 4347 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 4348 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 4349 pkt_len + sizeof(pkt_len)); 4350 if (!skb) { 4351 mwifiex_dbg(priv->adapter, ERROR, 4352 "allocate skb failed for management frame\n"); 4353 return -ENOMEM; 4354 } 4355 4356 tx_info = MWIFIEX_SKB_TXCB(skb); 4357 memset(tx_info, 0, sizeof(*tx_info)); 4358 tx_info->bss_num = priv->bss_num; 4359 tx_info->bss_type = priv->bss_type; 4360 tx_info->pkt_len = pkt_len; 4361 4362 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 4363 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 4364 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 4365 memcpy(skb_push(skb, sizeof(tx_control)), 4366 &tx_control, sizeof(tx_control)); 4367 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 4368 4369 mgmt = (struct mwifiex_ieee80211_mgmt *)skb_put(skb, pkt_len); 4370 memset(mgmt, 0, pkt_len); 4371 mgmt->frame_control = 4372 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 4373 memcpy(mgmt->da, req->bss->bssid, ETH_ALEN); 4374 memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN); 4375 memcpy(mgmt->bssid, req->bss->bssid, ETH_ALEN); 4376 eth_broadcast_addr(mgmt->addr4); 4377 4378 if (req->auth_data_len >= 4) { 4379 if (req->auth_type == NL80211_AUTHTYPE_SAE) { 4380 __le16 *pos = (__le16 *)req->auth_data; 4381 4382 trans = le16_to_cpu(pos[0]); 4383 status_code = le16_to_cpu(pos[1]); 4384 } 4385 memcpy((u8 *)(&mgmt->auth.variable), req->auth_data + 4, 4386 req->auth_data_len - 4); 4387 varptr = (u8 *)&mgmt->auth.variable + 4388 (req->auth_data_len - 4); 4389 } 4390 4391 mgmt->auth.auth_alg = cpu_to_le16(auth_alg); 4392 mgmt->auth.auth_transaction = cpu_to_le16(trans); 4393 mgmt->auth.status_code = cpu_to_le16(status_code); 4394 4395 if (req->ie && req->ie_len) { 4396 if (!varptr) 4397 varptr = (u8 *)&mgmt->auth.variable; 4398 memcpy((u8 *)varptr, req->ie, req->ie_len); 4399 } 4400 4401 priv->auth_flag = HOST_MLME_AUTH_PENDING; 4402 priv->auth_alg = auth_alg; 4403 4404 skb->priority = WMM_HIGHEST_PRIORITY; 4405 __net_timestamp(skb); 4406 4407 mwifiex_dbg(priv->adapter, MSG, 4408 "auth: send authentication to %pM\n", req->bss->bssid); 4409 4410 mwifiex_queue_tx_pkt(priv, skb); 4411 4412 return 0; 4413 } 4414 4415 static int 4416 mwifiex_cfg80211_associate(struct wiphy *wiphy, struct net_device *dev, 4417 struct cfg80211_assoc_request *req) 4418 { 4419 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4420 struct mwifiex_adapter *adapter = priv->adapter; 4421 int ret; 4422 struct cfg80211_ssid req_ssid; 4423 const u8 *ssid_ie; 4424 4425 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 4426 mwifiex_dbg(adapter, ERROR, 4427 "%s: reject infra assoc request in non-STA role\n", 4428 dev->name); 4429 return -EINVAL; 4430 } 4431 4432 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) || 4433 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { 4434 mwifiex_dbg(adapter, ERROR, 4435 "%s: Ignore association.\t" 4436 "Card removed or FW in bad state\n", 4437 dev->name); 4438 return -EFAULT; 4439 } 4440 4441 if (priv->auth_alg == WLAN_AUTH_SAE) 4442 priv->auth_flag = HOST_MLME_AUTH_DONE; 4443 4444 if (priv->auth_flag && !(priv->auth_flag & HOST_MLME_AUTH_DONE)) 4445 return -EBUSY; 4446 4447 if (priv->roc_cfg.cookie) { 4448 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 4449 &priv->roc_cfg.chan, 0); 4450 if (!ret) 4451 memset(&priv->roc_cfg, 0, 4452 sizeof(struct mwifiex_roc_cfg)); 4453 else 4454 return -EFAULT; 4455 } 4456 4457 if (!mwifiex_stop_bg_scan(priv)) 4458 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 4459 4460 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 4461 rcu_read_lock(); 4462 ssid_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID); 4463 4464 if (!ssid_ie) 4465 goto ssid_err; 4466 4467 req_ssid.ssid_len = ssid_ie[1]; 4468 if (req_ssid.ssid_len > IEEE80211_MAX_SSID_LEN) { 4469 mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n"); 4470 goto ssid_err; 4471 } 4472 4473 memcpy(req_ssid.ssid, ssid_ie + 2, req_ssid.ssid_len); 4474 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 4475 mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n"); 4476 goto ssid_err; 4477 } 4478 rcu_read_unlock(); 4479 4480 /* As this is new association, clear locally stored 4481 * keys and security related flags 4482 */ 4483 priv->sec_info.wpa_enabled = false; 4484 priv->sec_info.wpa2_enabled = false; 4485 priv->wep_key_curr_index = 0; 4486 priv->sec_info.encryption_mode = 0; 4487 priv->sec_info.is_authtype_auto = 0; 4488 if (mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1)) { 4489 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 4490 return -EFAULT; 4491 } 4492 4493 if (req->crypto.n_ciphers_pairwise) 4494 priv->sec_info.encryption_mode = 4495 req->crypto.ciphers_pairwise[0]; 4496 4497 if (req->crypto.cipher_group) 4498 priv->sec_info.encryption_mode = req->crypto.cipher_group; 4499 4500 if (req->ie) 4501 mwifiex_set_gen_ie(priv, req->ie, req->ie_len); 4502 4503 memcpy(priv->cfg_bssid, req->bss->bssid, ETH_ALEN); 4504 4505 mwifiex_dbg(adapter, MSG, 4506 "assoc: send association to %pM\n", req->bss->bssid); 4507 4508 cfg80211_ref_bss(adapter->wiphy, req->bss); 4509 ret = mwifiex_bss_start(priv, req->bss, &req_ssid); 4510 if (ret) { 4511 priv->auth_flag = 0; 4512 priv->auth_alg = WLAN_AUTH_NONE; 4513 eth_zero_addr(priv->cfg_bssid); 4514 } 4515 4516 if (priv->assoc_rsp_size) { 4517 priv->req_bss = req->bss; 4518 adapter->assoc_resp_received = true; 4519 queue_work(adapter->host_mlme_workqueue, 4520 &adapter->host_mlme_work); 4521 } 4522 4523 cfg80211_put_bss(priv->adapter->wiphy, req->bss); 4524 4525 return 0; 4526 4527 ssid_err: 4528 rcu_read_unlock(); 4529 return -EFAULT; 4530 } 4531 4532 static int 4533 mwifiex_cfg80211_deauthenticate(struct wiphy *wiphy, 4534 struct net_device *dev, 4535 struct cfg80211_deauth_request *req) 4536 { 4537 return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code); 4538 } 4539 4540 static int 4541 mwifiex_cfg80211_disassociate(struct wiphy *wiphy, 4542 struct net_device *dev, 4543 struct cfg80211_disassoc_request *req) 4544 { 4545 return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code); 4546 } 4547 4548 static int 4549 mwifiex_cfg80211_probe_client(struct wiphy *wiphy, 4550 struct net_device *dev, const u8 *peer, 4551 u64 *cookie) 4552 { 4553 /* hostapd looks for NL80211_CMD_PROBE_CLIENT support; otherwise, 4554 * it requires monitor-mode support (which mwifiex doesn't support). 4555 * Provide fake probe_client support to work around this. 4556 */ 4557 return -EOPNOTSUPP; 4558 } 4559 4560 /* station cfg80211 operations */ 4561 static const struct cfg80211_ops mwifiex_cfg80211_ops = { 4562 .add_virtual_intf = mwifiex_add_virtual_intf, 4563 .del_virtual_intf = mwifiex_del_virtual_intf, 4564 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4565 .scan = mwifiex_cfg80211_scan, 4566 .connect = mwifiex_cfg80211_connect, 4567 .disconnect = mwifiex_cfg80211_disconnect, 4568 .get_station = mwifiex_cfg80211_get_station, 4569 .dump_station = mwifiex_cfg80211_dump_station, 4570 .dump_survey = mwifiex_cfg80211_dump_survey, 4571 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4572 .join_ibss = mwifiex_cfg80211_join_ibss, 4573 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4574 .add_key = mwifiex_cfg80211_add_key, 4575 .del_key = mwifiex_cfg80211_del_key, 4576 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4577 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4578 .update_mgmt_frame_registrations = 4579 mwifiex_cfg80211_update_mgmt_frame_registrations, 4580 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4581 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4582 .set_default_key = mwifiex_cfg80211_set_default_key, 4583 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4584 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4585 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4586 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4587 .start_ap = mwifiex_cfg80211_start_ap, 4588 .stop_ap = mwifiex_cfg80211_stop_ap, 4589 .change_beacon = mwifiex_cfg80211_change_beacon, 4590 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4591 .set_antenna = mwifiex_cfg80211_set_antenna, 4592 .get_antenna = mwifiex_cfg80211_get_antenna, 4593 .del_station = mwifiex_cfg80211_del_station, 4594 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4595 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4596 #ifdef CONFIG_PM 4597 .suspend = mwifiex_cfg80211_suspend, 4598 .resume = mwifiex_cfg80211_resume, 4599 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4600 .set_rekey_data = mwifiex_set_rekey_data, 4601 #endif 4602 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4603 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4604 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4605 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4606 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4607 .add_station = mwifiex_cfg80211_add_station, 4608 .change_station = mwifiex_cfg80211_change_station, 4609 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4610 .get_channel = mwifiex_cfg80211_get_channel, 4611 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4612 .channel_switch = mwifiex_cfg80211_channel_switch, 4613 }; 4614 4615 #ifdef CONFIG_PM 4616 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4617 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4618 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4619 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4620 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4621 .pattern_min_len = 1, 4622 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4623 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4624 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4625 }; 4626 4627 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = { 4628 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4629 WIPHY_WOWLAN_NET_DETECT, 4630 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4631 .pattern_min_len = 1, 4632 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4633 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4634 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4635 }; 4636 #endif 4637 4638 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4639 { 4640 if (!alpha2 || strlen(alpha2) != 2) 4641 return false; 4642 4643 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4644 return true; 4645 4646 return false; 4647 } 4648 4649 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4650 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4651 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4652 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4653 .pattern_min_len = 1, 4654 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4655 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4656 }; 4657 4658 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4659 { 4660 u32 n_channels_bg, n_channels_a = 0; 4661 4662 n_channels_bg = mwifiex_band_2ghz.n_channels; 4663 4664 if (adapter->config_bands & BAND_A) 4665 n_channels_a = mwifiex_band_5ghz.n_channels; 4666 4667 /* allocate twice the number total channels, since the driver issues an 4668 * additional active scan request for hidden SSIDs on passive channels. 4669 */ 4670 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); 4671 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats), 4672 adapter->num_in_chan_stats)); 4673 4674 if (!adapter->chan_stats) 4675 return -ENOMEM; 4676 4677 return 0; 4678 } 4679 4680 /* 4681 * This function registers the device with CFG802.11 subsystem. 4682 * 4683 * The function creates the wireless device/wiphy, populates it with 4684 * default parameters and handler function pointers, and finally 4685 * registers the device. 4686 */ 4687 4688 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4689 { 4690 int ret; 4691 void *wdev_priv; 4692 struct wiphy *wiphy; 4693 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4694 const u8 *country_code; 4695 u32 thr, retry; 4696 struct cfg80211_ops *ops; 4697 4698 ops = devm_kmemdup(adapter->dev, &mwifiex_cfg80211_ops, 4699 sizeof(mwifiex_cfg80211_ops), GFP_KERNEL); 4700 if (!ops) 4701 return -ENOMEM; 4702 4703 /* create a new wiphy for use with cfg80211 */ 4704 wiphy = wiphy_new(ops, sizeof(struct mwifiex_adapter *)); 4705 if (!wiphy) { 4706 mwifiex_dbg(adapter, ERROR, 4707 "%s: creating new wiphy\n", __func__); 4708 return -ENOMEM; 4709 } 4710 if (adapter->host_mlme_enabled) { 4711 ops->auth = mwifiex_cfg80211_authenticate; 4712 ops->assoc = mwifiex_cfg80211_associate; 4713 ops->deauth = mwifiex_cfg80211_deauthenticate; 4714 ops->disassoc = mwifiex_cfg80211_disassociate; 4715 ops->disconnect = NULL; 4716 ops->connect = NULL; 4717 ops->probe_client = mwifiex_cfg80211_probe_client; 4718 } 4719 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4720 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4721 if (adapter->host_mlme_enabled) { 4722 memcpy(adapter->mwifiex_mgmt_stypes, 4723 mwifiex_mgmt_stypes, 4724 NUM_NL80211_IFTYPES * 4725 sizeof(struct ieee80211_txrx_stypes)); 4726 4727 adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].tx = 0xffff; 4728 adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].rx = 4729 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4730 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4731 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4732 BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4733 BIT(IEEE80211_STYPE_AUTH >> 4) | 4734 BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4735 BIT(IEEE80211_STYPE_ACTION >> 4); 4736 wiphy->mgmt_stypes = adapter->mwifiex_mgmt_stypes; 4737 } else { 4738 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4739 } 4740 wiphy->max_remain_on_channel_duration = 5000; 4741 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4742 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4743 BIT(NL80211_IFTYPE_P2P_GO) | 4744 BIT(NL80211_IFTYPE_AP); 4745 4746 wiphy->max_num_akm_suites = CFG80211_MAX_NUM_AKM_SUITES; 4747 4748 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) 4749 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); 4750 4751 wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev, 4752 &mwifiex_band_2ghz, 4753 sizeof(mwifiex_band_2ghz), 4754 GFP_KERNEL); 4755 if (!wiphy->bands[NL80211_BAND_2GHZ]) { 4756 ret = -ENOMEM; 4757 goto err; 4758 } 4759 4760 if (adapter->config_bands & BAND_A) { 4761 wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev, 4762 &mwifiex_band_5ghz, 4763 sizeof(mwifiex_band_5ghz), 4764 GFP_KERNEL); 4765 if (!wiphy->bands[NL80211_BAND_5GHZ]) { 4766 ret = -ENOMEM; 4767 goto err; 4768 } 4769 } else { 4770 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4771 } 4772 4773 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4774 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4775 else if (adapter->is_hw_11ac_capable) 4776 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4777 else 4778 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4779 wiphy->n_iface_combinations = 1; 4780 4781 if (adapter->max_sta_conn > adapter->max_p2p_conn) 4782 wiphy->max_ap_assoc_sta = adapter->max_sta_conn; 4783 else 4784 wiphy->max_ap_assoc_sta = adapter->max_p2p_conn; 4785 4786 /* Initialize cipher suits */ 4787 wiphy->cipher_suites = mwifiex_cipher_suites; 4788 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4789 4790 if (adapter->regd) { 4791 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4792 REGULATORY_DISABLE_BEACON_HINTS | 4793 REGULATORY_COUNTRY_IE_IGNORE; 4794 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4795 } 4796 4797 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4798 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4799 wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4800 WIPHY_FLAG_AP_UAPSD | 4801 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4802 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4803 WIPHY_FLAG_NETNS_OK | 4804 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4805 4806 if (adapter->host_mlme_enabled) 4807 wiphy->flags |= WIPHY_FLAG_REPORTS_OBSS; 4808 else 4809 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 4810 4811 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4812 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4813 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4814 4815 #ifdef CONFIG_PM 4816 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 4817 wiphy->wowlan = &mwifiex_wowlan_support; 4818 else 4819 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk; 4820 #endif 4821 4822 wiphy->coalesce = &mwifiex_coalesce_support; 4823 4824 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4825 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4826 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4827 4828 wiphy->max_sched_scan_reqs = 1; 4829 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4830 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4831 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4832 4833 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4834 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4835 4836 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER | 4837 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4838 NL80211_FEATURE_NEED_OBSS_SCAN; 4839 4840 if (adapter->host_mlme_enabled) 4841 wiphy->features |= NL80211_FEATURE_SAE; 4842 4843 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) 4844 wiphy->features |= NL80211_FEATURE_HT_IBSS; 4845 4846 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) 4847 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4848 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4849 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4850 4851 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4852 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4853 4854 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4855 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4856 4857 /* Reserve space for mwifiex specific private data for BSS */ 4858 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4859 4860 wiphy->reg_notifier = mwifiex_reg_notifier; 4861 4862 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4863 wdev_priv = wiphy_priv(wiphy); 4864 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4865 4866 set_wiphy_dev(wiphy, priv->adapter->dev); 4867 4868 ret = wiphy_register(wiphy); 4869 if (ret < 0) { 4870 mwifiex_dbg(adapter, ERROR, 4871 "%s: wiphy_register failed: %d\n", __func__, ret); 4872 goto err; 4873 } 4874 4875 if (!adapter->regd) { 4876 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4877 mwifiex_dbg(adapter, INFO, 4878 "driver hint alpha2: %2.2s\n", reg_alpha2); 4879 regulatory_hint(wiphy, reg_alpha2); 4880 } else { 4881 if (adapter->region_code == 0x00) { 4882 mwifiex_dbg(adapter, WARN, 4883 "Ignore world regulatory domain\n"); 4884 } else { 4885 wiphy->regulatory_flags |= 4886 REGULATORY_DISABLE_BEACON_HINTS | 4887 REGULATORY_COUNTRY_IE_IGNORE; 4888 country_code = 4889 mwifiex_11d_code_2_region( 4890 adapter->region_code); 4891 if (country_code && 4892 regulatory_hint(wiphy, country_code)) 4893 mwifiex_dbg(priv->adapter, ERROR, 4894 "regulatory_hint() failed\n"); 4895 } 4896 } 4897 } 4898 4899 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4900 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4901 wiphy->frag_threshold = thr; 4902 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4903 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4904 wiphy->rts_threshold = thr; 4905 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4906 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4907 wiphy->retry_short = (u8) retry; 4908 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4909 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4910 wiphy->retry_long = (u8) retry; 4911 4912 adapter->wiphy = wiphy; 4913 return ret; 4914 4915 err: 4916 wiphy_free(wiphy); 4917 4918 return ret; 4919 } 4920