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 wireless_dev *wdev, 145 int link_id, u8 key_index, bool pairwise, 146 const u8 *mac_addr) 147 { 148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->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); 262 263 if (ieee80211_is_action(mgmt->frame_control)) 264 skb = mwifiex_clone_skb_for_tx_status(priv, 265 skb, 266 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, &cookie); 267 else 268 cfg80211_mgmt_tx_status(wdev, cookie, buf, len, true, 269 GFP_ATOMIC); 270 271 mwifiex_queue_tx_pkt(priv, skb); 272 273 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 274 return 0; 275 } 276 277 /* 278 * CFG802.11 operation handler to register a mgmt frame. 279 */ 280 static void 281 mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 282 struct wireless_dev *wdev, 283 struct mgmt_frame_regs *upd) 284 { 285 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 286 u32 mask = upd->interface_stypes; 287 288 if (mask != priv->mgmt_frame_mask) { 289 priv->mgmt_frame_mask = mask; 290 if (priv->host_mlme_reg) 291 priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; 292 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 293 HostCmd_ACT_GEN_SET, 0, 294 &priv->mgmt_frame_mask, false); 295 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 296 } 297 } 298 299 /* 300 * CFG802.11 operation handler to remain on channel. 301 */ 302 static int 303 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 304 struct wireless_dev *wdev, 305 struct ieee80211_channel *chan, 306 unsigned int duration, u64 cookie, 307 const u8 *rx_addr) 308 { 309 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 310 int ret; 311 312 if (!chan) { 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 priv->roc_cfg.cookie = cookie; 329 priv->roc_cfg.chan = *chan; 330 331 cfg80211_ready_on_channel(wdev, cookie, chan, 332 duration, GFP_ATOMIC); 333 334 mwifiex_dbg(priv->adapter, INFO, 335 "info: ROC, cookie = 0x%llx\n", cookie); 336 } 337 338 return ret; 339 } 340 341 /* 342 * CFG802.11 operation handler to cancel remain on channel. 343 */ 344 static int 345 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 346 struct wireless_dev *wdev, u64 cookie) 347 { 348 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 349 int ret; 350 351 if (cookie != priv->roc_cfg.cookie) 352 return -ENOENT; 353 354 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 355 &priv->roc_cfg.chan, 0); 356 357 if (!ret) { 358 cfg80211_remain_on_channel_expired(wdev, cookie, 359 &priv->roc_cfg.chan, 360 GFP_ATOMIC); 361 362 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 363 364 mwifiex_dbg(priv->adapter, INFO, 365 "info: cancel ROC, cookie = 0x%llx\n", cookie); 366 } 367 368 return ret; 369 } 370 371 /* 372 * CFG802.11 operation handler to set Tx power. 373 */ 374 static int 375 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 376 struct wireless_dev *wdev, 377 int radio_idx, 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 int radio_idx, 414 unsigned int link_id, int *dbm) 415 { 416 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 417 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 418 MWIFIEX_BSS_ROLE_ANY); 419 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 420 HostCmd_ACT_GEN_GET, 0, NULL, true); 421 422 if (ret < 0) 423 return ret; 424 425 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 426 *dbm = priv->tx_power_level; 427 428 return 0; 429 } 430 431 /* 432 * CFG802.11 operation handler to set Power Save option. 433 * 434 * The timeout value, if provided, is currently ignored. 435 */ 436 static int 437 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 438 struct net_device *dev, 439 bool enabled, int timeout) 440 { 441 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 442 u32 ps_mode; 443 444 if (timeout) 445 mwifiex_dbg(priv->adapter, INFO, 446 "info: ignore timeout value for IEEE Power Save\n"); 447 448 ps_mode = enabled; 449 450 return mwifiex_drv_set_power(priv, &ps_mode); 451 } 452 453 /* 454 * CFG802.11 operation handler to set the default network key. 455 */ 456 static int 457 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 458 int link_id, u8 key_index, bool unicast, 459 bool multicast) 460 { 461 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 462 463 /* Return if WEP key not configured */ 464 if (!priv->sec_info.wep_enabled) 465 return 0; 466 467 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 468 priv->wep_key_curr_index = key_index; 469 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 470 NULL, 0)) { 471 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 472 return -EFAULT; 473 } 474 475 return 0; 476 } 477 478 /* 479 * CFG802.11 operation handler to add a network key. 480 */ 481 static int 482 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct wireless_dev *wdev, 483 int link_id, u8 key_index, bool pairwise, 484 const u8 *mac_addr, struct key_params *params) 485 { 486 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 487 struct mwifiex_wep_key *wep_key; 488 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 489 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 490 491 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 492 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 493 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 494 if (params->key && params->key_len) { 495 wep_key = &priv->wep_key[key_index]; 496 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 497 memcpy(wep_key->key_material, params->key, 498 params->key_len); 499 wep_key->key_index = key_index; 500 wep_key->key_length = params->key_len; 501 priv->sec_info.wep_enabled = 1; 502 } 503 return 0; 504 } 505 506 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 507 key_index, peer_mac, 0)) { 508 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 509 return -EFAULT; 510 } 511 512 return 0; 513 } 514 515 /* 516 * CFG802.11 operation handler to set default mgmt key. 517 */ 518 static int 519 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, 520 struct wireless_dev *wdev, 521 int link_id, 522 u8 key_index) 523 { 524 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 525 struct mwifiex_ds_encrypt_key encrypt_key; 526 527 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); 528 529 if (priv->adapter->host_mlme_enabled) 530 return 0; 531 532 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); 533 encrypt_key.key_len = WLAN_KEY_LEN_CCMP; 534 encrypt_key.key_index = key_index; 535 encrypt_key.is_igtk_def_key = true; 536 eth_broadcast_addr(encrypt_key.mac_addr); 537 538 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 539 HostCmd_ACT_GEN_SET, true, &encrypt_key, true)) { 540 mwifiex_dbg(priv->adapter, ERROR, 541 "Sending KEY_MATERIAL command failed\n"); 542 return -1; 543 } 544 545 return 0; 546 } 547 548 /* 549 * This function sends domain information to the firmware. 550 * 551 * The following information are passed to the firmware - 552 * - Country codes 553 * - Sub bands (first channel, number of channels, maximum Tx power) 554 */ 555 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 556 { 557 u8 no_of_triplet = 0; 558 struct ieee80211_country_ie_triplet *t; 559 u8 no_of_parsed_chan = 0; 560 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 561 u8 i, flag = 0; 562 enum nl80211_band band; 563 struct ieee80211_supported_band *sband; 564 struct ieee80211_channel *ch; 565 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 566 struct mwifiex_private *priv; 567 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 568 569 /* Set country code */ 570 domain_info->country_code[0] = adapter->country_code[0]; 571 domain_info->country_code[1] = adapter->country_code[1]; 572 domain_info->country_code[2] = ' '; 573 574 band = mwifiex_band_to_radio_type(adapter->config_bands); 575 if (!wiphy->bands[band]) { 576 mwifiex_dbg(adapter, ERROR, 577 "11D: setting domain info in FW\n"); 578 return -1; 579 } 580 581 sband = wiphy->bands[band]; 582 583 for (i = 0; i < sband->n_channels ; i++) { 584 ch = &sband->channels[i]; 585 if (ch->flags & IEEE80211_CHAN_DISABLED) 586 continue; 587 588 if (!flag) { 589 flag = 1; 590 first_chan = (u32) ch->hw_value; 591 next_chan = first_chan; 592 max_pwr = ch->max_power; 593 no_of_parsed_chan = 1; 594 continue; 595 } 596 597 if (ch->hw_value == next_chan + 1 && 598 ch->max_power == max_pwr) { 599 next_chan++; 600 no_of_parsed_chan++; 601 } else { 602 t = &domain_info->triplet[no_of_triplet]; 603 t->chans.first_channel = first_chan; 604 t->chans.num_channels = no_of_parsed_chan; 605 t->chans.max_power = max_pwr; 606 no_of_triplet++; 607 first_chan = (u32) ch->hw_value; 608 next_chan = first_chan; 609 max_pwr = ch->max_power; 610 no_of_parsed_chan = 1; 611 } 612 } 613 614 if (flag) { 615 t = &domain_info->triplet[no_of_triplet]; 616 t->chans.first_channel = first_chan; 617 t->chans.num_channels = no_of_parsed_chan; 618 t->chans.max_power = max_pwr; 619 no_of_triplet++; 620 } 621 622 domain_info->no_of_triplet = no_of_triplet; 623 624 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 625 626 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 627 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 628 mwifiex_dbg(adapter, INFO, 629 "11D: setting domain info in FW\n"); 630 return -1; 631 } 632 633 return 0; 634 } 635 636 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy) 637 { 638 struct ieee80211_supported_band *sband; 639 struct ieee80211_channel *chan; 640 unsigned int i; 641 642 if (!wiphy->bands[NL80211_BAND_5GHZ]) 643 return; 644 sband = wiphy->bands[NL80211_BAND_5GHZ]; 645 646 for (i = 0; i < sband->n_channels; i++) { 647 chan = &sband->channels[i]; 648 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && 649 (chan->flags & IEEE80211_CHAN_RADAR)) 650 chan->flags |= IEEE80211_CHAN_NO_IR; 651 } 652 } 653 654 /* 655 * CFG802.11 regulatory domain callback function. 656 * 657 * This function is called when the regulatory domain is changed due to the 658 * following reasons - 659 * - Set by driver 660 * - Set by system core 661 * - Set by user 662 * - Set bt Country IE 663 */ 664 static void mwifiex_reg_notifier(struct wiphy *wiphy, 665 struct regulatory_request *request) 666 { 667 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 668 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 669 MWIFIEX_BSS_ROLE_ANY); 670 mwifiex_dbg(adapter, INFO, 671 "info: cfg80211 regulatory domain callback for %c%c\n", 672 request->alpha2[0], request->alpha2[1]); 673 mwifiex_reg_apply_radar_flags(wiphy); 674 675 switch (request->initiator) { 676 case NL80211_REGDOM_SET_BY_DRIVER: 677 case NL80211_REGDOM_SET_BY_CORE: 678 case NL80211_REGDOM_SET_BY_USER: 679 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 680 break; 681 default: 682 mwifiex_dbg(adapter, ERROR, 683 "unknown regdom initiator: %d\n", 684 request->initiator); 685 return; 686 } 687 688 /* Don't send same regdom info to firmware */ 689 if (strncmp(request->alpha2, adapter->country_code, 690 sizeof(request->alpha2)) != 0) { 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, int radio_idx, 741 u32 changed) 742 { 743 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 744 struct mwifiex_private *priv; 745 struct mwifiex_uap_bss_param *bss_cfg; 746 int ret; 747 748 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 749 750 switch (priv->bss_role) { 751 case MWIFIEX_BSS_ROLE_UAP: 752 if (priv->bss_started) { 753 mwifiex_dbg(adapter, ERROR, 754 "cannot change wiphy params when bss started"); 755 return -EINVAL; 756 } 757 758 bss_cfg = kzalloc_obj(*bss_cfg); 759 if (!bss_cfg) 760 return -ENOMEM; 761 762 mwifiex_set_sys_config_invalid_data(bss_cfg); 763 764 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 765 bss_cfg->rts_threshold = wiphy->rts_threshold; 766 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 767 bss_cfg->frag_threshold = wiphy->frag_threshold; 768 if (changed & WIPHY_PARAM_RETRY_LONG) 769 bss_cfg->retry_limit = wiphy->retry_long; 770 771 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 772 HostCmd_ACT_GEN_SET, 773 UAP_BSS_PARAMS_I, bss_cfg, 774 false); 775 776 kfree(bss_cfg); 777 if (ret) { 778 mwifiex_dbg(adapter, ERROR, 779 "Failed to set wiphy phy params\n"); 780 return ret; 781 } 782 break; 783 784 case MWIFIEX_BSS_ROLE_STA: 785 if (priv->media_connected) { 786 mwifiex_dbg(adapter, ERROR, 787 "cannot change wiphy params when connected"); 788 return -EINVAL; 789 } 790 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 791 ret = mwifiex_set_rts(priv, 792 wiphy->rts_threshold); 793 if (ret) 794 return ret; 795 } 796 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 797 ret = mwifiex_set_frag(priv, 798 wiphy->frag_threshold); 799 if (ret) 800 return ret; 801 } 802 break; 803 } 804 805 return 0; 806 } 807 808 static int 809 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 810 { 811 u16 mode = P2P_MODE_DISABLE; 812 813 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 814 HostCmd_ACT_GEN_SET, 0, &mode, true)) 815 return -1; 816 817 return 0; 818 } 819 820 /* 821 * This function initializes the functionalities for P2P client. 822 * The P2P client initialization sequence is: 823 * disable -> device -> client 824 */ 825 static int 826 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 827 { 828 u16 mode; 829 830 if (mwifiex_cfg80211_deinit_p2p(priv)) 831 return -1; 832 833 mode = P2P_MODE_DEVICE; 834 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 835 HostCmd_ACT_GEN_SET, 0, &mode, true)) 836 return -1; 837 838 mode = P2P_MODE_CLIENT; 839 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 840 HostCmd_ACT_GEN_SET, 0, &mode, true)) 841 return -1; 842 843 return 0; 844 } 845 846 /* 847 * This function initializes the functionalities for P2P GO. 848 * The P2P GO initialization sequence is: 849 * disable -> device -> GO 850 */ 851 static int 852 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 853 { 854 u16 mode; 855 856 if (mwifiex_cfg80211_deinit_p2p(priv)) 857 return -1; 858 859 mode = P2P_MODE_DEVICE; 860 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 861 HostCmd_ACT_GEN_SET, 0, &mode, true)) 862 return -1; 863 864 mode = P2P_MODE_GO; 865 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 866 HostCmd_ACT_GEN_SET, 0, &mode, true)) 867 return -1; 868 869 return 0; 870 } 871 872 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 873 { 874 struct mwifiex_adapter *adapter = priv->adapter; 875 unsigned long flags; 876 877 priv->host_mlme_reg = false; 878 priv->mgmt_frame_mask = 0; 879 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 880 HostCmd_ACT_GEN_SET, 0, 881 &priv->mgmt_frame_mask, false)) { 882 mwifiex_dbg(adapter, ERROR, 883 "could not unregister mgmt frame rx\n"); 884 return -1; 885 } 886 887 mwifiex_deauthenticate(priv, NULL); 888 889 spin_lock_irqsave(&adapter->main_proc_lock, flags); 890 adapter->main_locked = true; 891 if (adapter->mwifiex_processing) { 892 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 893 flush_workqueue(adapter->workqueue); 894 } else { 895 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 896 } 897 898 spin_lock_bh(&adapter->rx_proc_lock); 899 adapter->rx_locked = true; 900 if (adapter->rx_processing) { 901 spin_unlock_bh(&adapter->rx_proc_lock); 902 flush_workqueue(adapter->rx_workqueue); 903 } else { 904 spin_unlock_bh(&adapter->rx_proc_lock); 905 } 906 907 mwifiex_free_priv(priv); 908 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 909 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 910 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 911 912 return 0; 913 } 914 915 static int 916 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 917 struct net_device *dev, 918 enum nl80211_iftype type) 919 { 920 struct mwifiex_adapter *adapter = priv->adapter; 921 unsigned long flags; 922 923 mwifiex_init_priv(priv); 924 925 priv->bss_mode = type; 926 priv->wdev.iftype = type; 927 928 mwifiex_init_priv_params(priv, priv->netdev); 929 priv->bss_started = 0; 930 931 switch (type) { 932 case NL80211_IFTYPE_STATION: 933 case NL80211_IFTYPE_ADHOC: 934 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 935 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 936 break; 937 case NL80211_IFTYPE_P2P_CLIENT: 938 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 939 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 940 break; 941 case NL80211_IFTYPE_P2P_GO: 942 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 943 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 944 break; 945 case NL80211_IFTYPE_AP: 946 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 947 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 948 break; 949 default: 950 mwifiex_dbg(adapter, ERROR, 951 "%s: changing to %d not supported\n", 952 dev->name, type); 953 return -EOPNOTSUPP; 954 } 955 956 priv->bss_num = mwifiex_get_unused_bss_num(adapter, priv->bss_type); 957 958 spin_lock_irqsave(&adapter->main_proc_lock, flags); 959 adapter->main_locked = false; 960 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 961 962 spin_lock_bh(&adapter->rx_proc_lock); 963 adapter->rx_locked = false; 964 spin_unlock_bh(&adapter->rx_proc_lock); 965 966 mwifiex_set_mac_address(priv, dev, false, NULL); 967 968 return 0; 969 } 970 971 static bool 972 is_vif_type_change_allowed(struct mwifiex_adapter *adapter, 973 enum nl80211_iftype old_iftype, 974 enum nl80211_iftype new_iftype) 975 { 976 switch (old_iftype) { 977 case NL80211_IFTYPE_ADHOC: 978 switch (new_iftype) { 979 case NL80211_IFTYPE_STATION: 980 return true; 981 case NL80211_IFTYPE_P2P_CLIENT: 982 case NL80211_IFTYPE_P2P_GO: 983 return adapter->curr_iface_comb.p2p_intf != 984 adapter->iface_limit.p2p_intf; 985 case NL80211_IFTYPE_AP: 986 return adapter->curr_iface_comb.uap_intf != 987 adapter->iface_limit.uap_intf; 988 default: 989 return false; 990 } 991 992 case NL80211_IFTYPE_STATION: 993 switch (new_iftype) { 994 case NL80211_IFTYPE_ADHOC: 995 return true; 996 case NL80211_IFTYPE_P2P_CLIENT: 997 case NL80211_IFTYPE_P2P_GO: 998 return adapter->curr_iface_comb.p2p_intf != 999 adapter->iface_limit.p2p_intf; 1000 case NL80211_IFTYPE_AP: 1001 return adapter->curr_iface_comb.uap_intf != 1002 adapter->iface_limit.uap_intf; 1003 default: 1004 return false; 1005 } 1006 1007 case NL80211_IFTYPE_AP: 1008 switch (new_iftype) { 1009 case NL80211_IFTYPE_ADHOC: 1010 case NL80211_IFTYPE_STATION: 1011 return adapter->curr_iface_comb.sta_intf != 1012 adapter->iface_limit.sta_intf; 1013 case NL80211_IFTYPE_P2P_CLIENT: 1014 case NL80211_IFTYPE_P2P_GO: 1015 return adapter->curr_iface_comb.p2p_intf != 1016 adapter->iface_limit.p2p_intf; 1017 default: 1018 return false; 1019 } 1020 1021 case NL80211_IFTYPE_P2P_CLIENT: 1022 switch (new_iftype) { 1023 case NL80211_IFTYPE_ADHOC: 1024 case NL80211_IFTYPE_STATION: 1025 return true; 1026 case NL80211_IFTYPE_P2P_GO: 1027 return true; 1028 case NL80211_IFTYPE_AP: 1029 return adapter->curr_iface_comb.uap_intf != 1030 adapter->iface_limit.uap_intf; 1031 default: 1032 return false; 1033 } 1034 1035 case NL80211_IFTYPE_P2P_GO: 1036 switch (new_iftype) { 1037 case NL80211_IFTYPE_ADHOC: 1038 case NL80211_IFTYPE_STATION: 1039 return true; 1040 case NL80211_IFTYPE_P2P_CLIENT: 1041 return true; 1042 case NL80211_IFTYPE_AP: 1043 return adapter->curr_iface_comb.uap_intf != 1044 adapter->iface_limit.uap_intf; 1045 default: 1046 return false; 1047 } 1048 1049 default: 1050 break; 1051 } 1052 1053 return false; 1054 } 1055 1056 static void 1057 update_vif_type_counter(struct mwifiex_adapter *adapter, 1058 enum nl80211_iftype iftype, 1059 int change) 1060 { 1061 switch (iftype) { 1062 case NL80211_IFTYPE_UNSPECIFIED: 1063 case NL80211_IFTYPE_ADHOC: 1064 case NL80211_IFTYPE_STATION: 1065 adapter->curr_iface_comb.sta_intf += change; 1066 break; 1067 case NL80211_IFTYPE_AP: 1068 adapter->curr_iface_comb.uap_intf += change; 1069 break; 1070 case NL80211_IFTYPE_P2P_CLIENT: 1071 case NL80211_IFTYPE_P2P_GO: 1072 adapter->curr_iface_comb.p2p_intf += change; 1073 break; 1074 default: 1075 mwifiex_dbg(adapter, ERROR, 1076 "%s: Unsupported iftype passed: %d\n", 1077 __func__, iftype); 1078 break; 1079 } 1080 } 1081 1082 static int 1083 mwifiex_change_vif_to_p2p(struct net_device *dev, 1084 enum nl80211_iftype curr_iftype, 1085 enum nl80211_iftype type, 1086 struct vif_params *params) 1087 { 1088 struct mwifiex_private *priv; 1089 struct mwifiex_adapter *adapter; 1090 1091 priv = mwifiex_netdev_get_priv(dev); 1092 1093 if (!priv) 1094 return -1; 1095 1096 adapter = priv->adapter; 1097 1098 mwifiex_dbg(adapter, INFO, 1099 "%s: changing role to p2p\n", dev->name); 1100 1101 if (mwifiex_deinit_priv_params(priv)) 1102 return -1; 1103 if (mwifiex_init_new_priv_params(priv, dev, type)) 1104 return -1; 1105 1106 update_vif_type_counter(adapter, curr_iftype, -1); 1107 update_vif_type_counter(adapter, type, +1); 1108 dev->ieee80211_ptr->iftype = type; 1109 1110 switch (type) { 1111 case NL80211_IFTYPE_P2P_CLIENT: 1112 if (mwifiex_cfg80211_init_p2p_client(priv)) 1113 return -EFAULT; 1114 break; 1115 case NL80211_IFTYPE_P2P_GO: 1116 if (mwifiex_cfg80211_init_p2p_go(priv)) 1117 return -EFAULT; 1118 break; 1119 default: 1120 mwifiex_dbg(adapter, ERROR, 1121 "%s: changing to %d not supported\n", 1122 dev->name, type); 1123 return -EOPNOTSUPP; 1124 } 1125 1126 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1127 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1128 return -1; 1129 1130 if (mwifiex_sta_init_cmd(priv, false)) 1131 return -1; 1132 1133 return 0; 1134 } 1135 1136 static int 1137 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 1138 enum nl80211_iftype curr_iftype, 1139 enum nl80211_iftype type, 1140 struct vif_params *params) 1141 { 1142 struct mwifiex_private *priv; 1143 struct mwifiex_adapter *adapter; 1144 1145 priv = mwifiex_netdev_get_priv(dev); 1146 1147 if (!priv) 1148 return -1; 1149 1150 adapter = priv->adapter; 1151 1152 if (type == NL80211_IFTYPE_STATION) 1153 mwifiex_dbg(adapter, INFO, 1154 "%s: changing role to station\n", dev->name); 1155 else 1156 mwifiex_dbg(adapter, INFO, 1157 "%s: changing role to adhoc\n", dev->name); 1158 1159 if (mwifiex_deinit_priv_params(priv)) 1160 return -1; 1161 if (mwifiex_init_new_priv_params(priv, dev, type)) 1162 return -1; 1163 1164 update_vif_type_counter(adapter, curr_iftype, -1); 1165 update_vif_type_counter(adapter, type, +1); 1166 dev->ieee80211_ptr->iftype = type; 1167 1168 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1169 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1170 return -1; 1171 if (mwifiex_sta_init_cmd(priv, false)) 1172 return -1; 1173 1174 return 0; 1175 } 1176 1177 static int 1178 mwifiex_change_vif_to_ap(struct net_device *dev, 1179 enum nl80211_iftype curr_iftype, 1180 enum nl80211_iftype type, 1181 struct vif_params *params) 1182 { 1183 struct mwifiex_private *priv; 1184 struct mwifiex_adapter *adapter; 1185 1186 priv = mwifiex_netdev_get_priv(dev); 1187 1188 if (!priv) 1189 return -1; 1190 1191 adapter = priv->adapter; 1192 1193 mwifiex_dbg(adapter, INFO, 1194 "%s: changing role to AP\n", dev->name); 1195 1196 if (mwifiex_deinit_priv_params(priv)) 1197 return -1; 1198 if (mwifiex_init_new_priv_params(priv, dev, type)) 1199 return -1; 1200 1201 update_vif_type_counter(adapter, curr_iftype, -1); 1202 update_vif_type_counter(adapter, type, +1); 1203 dev->ieee80211_ptr->iftype = type; 1204 1205 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1206 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1207 return -1; 1208 if (mwifiex_sta_init_cmd(priv, false)) 1209 return -1; 1210 1211 return 0; 1212 } 1213 /* 1214 * CFG802.11 operation handler to change interface type. 1215 */ 1216 static int 1217 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1218 struct net_device *dev, 1219 enum nl80211_iftype type, 1220 struct vif_params *params) 1221 { 1222 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1223 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1224 1225 if (priv->scan_request) { 1226 mwifiex_dbg(priv->adapter, ERROR, 1227 "change virtual interface: scan in process\n"); 1228 return -EBUSY; 1229 } 1230 1231 if (type == NL80211_IFTYPE_UNSPECIFIED) { 1232 mwifiex_dbg(priv->adapter, INFO, 1233 "%s: no new type specified, keeping old type %d\n", 1234 dev->name, curr_iftype); 1235 return 0; 1236 } 1237 1238 if (curr_iftype == type) { 1239 mwifiex_dbg(priv->adapter, INFO, 1240 "%s: interface already is of type %d\n", 1241 dev->name, curr_iftype); 1242 return 0; 1243 } 1244 1245 if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) { 1246 mwifiex_dbg(priv->adapter, ERROR, 1247 "%s: change from type %d to %d is not allowed\n", 1248 dev->name, curr_iftype, type); 1249 return -EOPNOTSUPP; 1250 } 1251 1252 switch (curr_iftype) { 1253 case NL80211_IFTYPE_ADHOC: 1254 switch (type) { 1255 case NL80211_IFTYPE_STATION: 1256 priv->bss_mode = type; 1257 priv->sec_info.authentication_mode = 1258 NL80211_AUTHTYPE_OPEN_SYSTEM; 1259 dev->ieee80211_ptr->iftype = type; 1260 mwifiex_deauthenticate(priv, NULL); 1261 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1262 HostCmd_ACT_GEN_SET, 0, NULL, 1263 true); 1264 case NL80211_IFTYPE_P2P_CLIENT: 1265 case NL80211_IFTYPE_P2P_GO: 1266 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1267 type, params); 1268 case NL80211_IFTYPE_AP: 1269 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1270 params); 1271 default: 1272 goto errnotsupp; 1273 } 1274 1275 case NL80211_IFTYPE_STATION: 1276 switch (type) { 1277 case NL80211_IFTYPE_ADHOC: 1278 priv->bss_mode = type; 1279 priv->sec_info.authentication_mode = 1280 NL80211_AUTHTYPE_OPEN_SYSTEM; 1281 dev->ieee80211_ptr->iftype = type; 1282 mwifiex_deauthenticate(priv, NULL); 1283 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1284 HostCmd_ACT_GEN_SET, 0, NULL, 1285 true); 1286 case NL80211_IFTYPE_P2P_CLIENT: 1287 case NL80211_IFTYPE_P2P_GO: 1288 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1289 type, params); 1290 case NL80211_IFTYPE_AP: 1291 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1292 params); 1293 default: 1294 goto errnotsupp; 1295 } 1296 1297 case NL80211_IFTYPE_AP: 1298 switch (type) { 1299 case NL80211_IFTYPE_ADHOC: 1300 case NL80211_IFTYPE_STATION: 1301 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1302 type, params); 1303 break; 1304 case NL80211_IFTYPE_P2P_CLIENT: 1305 case NL80211_IFTYPE_P2P_GO: 1306 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1307 type, params); 1308 default: 1309 goto errnotsupp; 1310 } 1311 1312 case NL80211_IFTYPE_P2P_CLIENT: 1313 if (mwifiex_cfg80211_deinit_p2p(priv)) 1314 return -EFAULT; 1315 1316 switch (type) { 1317 case NL80211_IFTYPE_ADHOC: 1318 case NL80211_IFTYPE_STATION: 1319 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1320 type, params); 1321 case NL80211_IFTYPE_P2P_GO: 1322 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1323 type, params); 1324 case NL80211_IFTYPE_AP: 1325 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1326 params); 1327 default: 1328 goto errnotsupp; 1329 } 1330 1331 case NL80211_IFTYPE_P2P_GO: 1332 if (mwifiex_cfg80211_deinit_p2p(priv)) 1333 return -EFAULT; 1334 1335 switch (type) { 1336 case NL80211_IFTYPE_ADHOC: 1337 case NL80211_IFTYPE_STATION: 1338 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1339 type, params); 1340 case NL80211_IFTYPE_P2P_CLIENT: 1341 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1342 type, params); 1343 case NL80211_IFTYPE_AP: 1344 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1345 params); 1346 default: 1347 goto errnotsupp; 1348 } 1349 1350 default: 1351 goto errnotsupp; 1352 } 1353 1354 1355 return 0; 1356 1357 errnotsupp: 1358 mwifiex_dbg(priv->adapter, ERROR, 1359 "unsupported interface type transition: %d to %d\n", 1360 curr_iftype, type); 1361 return -EOPNOTSUPP; 1362 } 1363 1364 static void 1365 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo, 1366 struct rate_info *rate) 1367 { 1368 struct mwifiex_adapter *adapter = priv->adapter; 1369 1370 if (adapter->is_hw_11ac_capable) { 1371 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1372 if (htinfo & BIT(0)) { 1373 /* HT */ 1374 rate->mcs = rateinfo; 1375 rate->flags |= RATE_INFO_FLAGS_MCS; 1376 } 1377 if (htinfo & BIT(1)) { 1378 /* VHT */ 1379 rate->mcs = rateinfo & 0x0F; 1380 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1381 } 1382 1383 if (htinfo & (BIT(1) | BIT(0))) { 1384 /* HT or VHT */ 1385 switch (htinfo & (BIT(3) | BIT(2))) { 1386 case 0: 1387 rate->bw = RATE_INFO_BW_20; 1388 break; 1389 case (BIT(2)): 1390 rate->bw = RATE_INFO_BW_40; 1391 break; 1392 case (BIT(3)): 1393 rate->bw = RATE_INFO_BW_80; 1394 break; 1395 case (BIT(3) | BIT(2)): 1396 rate->bw = RATE_INFO_BW_160; 1397 break; 1398 } 1399 1400 if (htinfo & BIT(4)) 1401 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1402 1403 if ((rateinfo >> 4) == 1) 1404 rate->nss = 2; 1405 else 1406 rate->nss = 1; 1407 } 1408 } else { 1409 /* 1410 * Bit 0 in htinfo indicates that current rate is 11n. Valid 1411 * MCS index values for us are 0 to 15. 1412 */ 1413 if ((htinfo & BIT(0)) && (rateinfo < 16)) { 1414 rate->mcs = rateinfo; 1415 rate->flags |= RATE_INFO_FLAGS_MCS; 1416 rate->bw = RATE_INFO_BW_20; 1417 if (htinfo & BIT(1)) 1418 rate->bw = RATE_INFO_BW_40; 1419 if (htinfo & BIT(2)) 1420 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1421 } 1422 } 1423 1424 /* Decode legacy rates for non-HT. */ 1425 if (!(htinfo & (BIT(0) | BIT(1)))) { 1426 /* Bitrates in multiples of 100kb/s. */ 1427 static const int legacy_rates[] = { 1428 [0] = 10, 1429 [1] = 20, 1430 [2] = 55, 1431 [3] = 110, 1432 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */ 1433 [5] = 60, 1434 [6] = 90, 1435 [7] = 120, 1436 [8] = 180, 1437 [9] = 240, 1438 [10] = 360, 1439 [11] = 480, 1440 [12] = 540, 1441 }; 1442 if (rateinfo < ARRAY_SIZE(legacy_rates)) 1443 rate->legacy = legacy_rates[rateinfo]; 1444 } 1445 } 1446 1447 /* 1448 * This function dumps the station information on a buffer. 1449 * 1450 * The following information are shown - 1451 * - Total bytes transmitted 1452 * - Total bytes received 1453 * - Total packets transmitted 1454 * - Total packets received 1455 * - Signal quality level 1456 * - Transmission rate 1457 */ 1458 static int 1459 mwifiex_dump_station_info(struct mwifiex_private *priv, 1460 struct mwifiex_sta_node *node, 1461 struct station_info *sinfo) 1462 { 1463 u32 rate; 1464 1465 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) | 1466 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | 1467 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | 1468 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 1469 1470 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1471 if (!node) 1472 return -ENOENT; 1473 1474 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | 1475 BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1476 sinfo->inactive_time = 1477 jiffies_to_msecs(jiffies - node->stats.last_rx); 1478 1479 sinfo->signal = node->stats.rssi; 1480 sinfo->signal_avg = node->stats.rssi; 1481 sinfo->rx_bytes = node->stats.rx_bytes; 1482 sinfo->tx_bytes = node->stats.tx_bytes; 1483 sinfo->rx_packets = node->stats.rx_packets; 1484 sinfo->tx_packets = node->stats.tx_packets; 1485 sinfo->tx_failed = node->stats.tx_failed; 1486 1487 mwifiex_parse_htinfo(priv, priv->tx_rate, 1488 node->stats.last_tx_htinfo, 1489 &sinfo->txrate); 1490 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1491 1492 return 0; 1493 } 1494 1495 /* Get signal information from the firmware */ 1496 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1497 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1498 mwifiex_dbg(priv->adapter, ERROR, 1499 "failed to get signal information\n"); 1500 return -EFAULT; 1501 } 1502 1503 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1504 mwifiex_dbg(priv->adapter, ERROR, 1505 "getting data rate error\n"); 1506 return -EFAULT; 1507 } 1508 1509 /* Get DTIM period information from firmware */ 1510 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1511 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1512 &priv->dtim_period, true); 1513 1514 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo, 1515 &sinfo->txrate); 1516 1517 sinfo->signal_avg = priv->bcn_rssi_avg; 1518 sinfo->rx_bytes = priv->stats.rx_bytes; 1519 sinfo->tx_bytes = priv->stats.tx_bytes; 1520 sinfo->rx_packets = priv->stats.rx_packets; 1521 sinfo->tx_packets = priv->stats.tx_packets; 1522 sinfo->signal = priv->bcn_rssi_avg; 1523 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1524 sinfo->txrate.legacy = rate * 5; 1525 1526 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); 1527 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo, 1528 &sinfo->rxrate); 1529 1530 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1531 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); 1532 sinfo->bss_param.flags = 0; 1533 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1534 WLAN_CAPABILITY_SHORT_PREAMBLE) 1535 sinfo->bss_param.flags |= 1536 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1537 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1538 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1539 sinfo->bss_param.flags |= 1540 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1541 sinfo->bss_param.dtim_period = priv->dtim_period; 1542 sinfo->bss_param.beacon_interval = 1543 priv->curr_bss_params.bss_descriptor.beacon_period; 1544 } 1545 1546 return 0; 1547 } 1548 1549 /* 1550 * CFG802.11 operation handler to get station information. 1551 * 1552 * This function only works in connected mode, and dumps the 1553 * requested station information, if available. 1554 */ 1555 static int 1556 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct wireless_dev *wdev, 1557 const u8 *mac, struct station_info *sinfo) 1558 { 1559 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 1560 1561 if (!priv->media_connected) 1562 return -ENOENT; 1563 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1564 return -ENOENT; 1565 1566 return mwifiex_dump_station_info(priv, NULL, sinfo); 1567 } 1568 1569 /* 1570 * CFG802.11 operation handler to dump station information. 1571 */ 1572 static int 1573 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct wireless_dev *wdev, 1574 int idx, u8 *mac, struct station_info *sinfo) 1575 { 1576 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 1577 struct mwifiex_sta_node *node; 1578 int i; 1579 1580 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1581 priv->media_connected && idx == 0) { 1582 ether_addr_copy(mac, priv->cfg_bssid); 1583 return mwifiex_dump_station_info(priv, NULL, sinfo); 1584 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1585 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1586 HostCmd_ACT_GEN_GET, 0, NULL, true); 1587 1588 i = 0; 1589 list_for_each_entry(node, &priv->sta_list, list) { 1590 if (i++ != idx) 1591 continue; 1592 ether_addr_copy(mac, node->mac_addr); 1593 return mwifiex_dump_station_info(priv, node, sinfo); 1594 } 1595 } 1596 1597 return -ENOENT; 1598 } 1599 1600 static int 1601 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1602 int idx, struct survey_info *survey) 1603 { 1604 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1605 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1606 enum nl80211_band band; 1607 1608 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1609 1610 memset(survey, 0, sizeof(struct survey_info)); 1611 1612 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1613 priv->media_connected && idx == 0) { 1614 u8 curr_bss_band = priv->curr_bss_params.band; 1615 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1616 1617 band = mwifiex_band_to_radio_type(curr_bss_band); 1618 survey->channel = ieee80211_get_channel(wiphy, 1619 ieee80211_channel_to_frequency(chan, band)); 1620 1621 if (priv->bcn_nf_last) { 1622 survey->filled = SURVEY_INFO_NOISE_DBM; 1623 survey->noise = priv->bcn_nf_last; 1624 } 1625 return 0; 1626 } 1627 1628 if (idx >= priv->adapter->num_in_chan_stats) 1629 return -ENOENT; 1630 1631 if (!pchan_stats[idx].cca_scan_dur) 1632 return 0; 1633 1634 band = pchan_stats[idx].bandcfg; 1635 survey->channel = ieee80211_get_channel(wiphy, 1636 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1637 survey->filled = SURVEY_INFO_NOISE_DBM | 1638 SURVEY_INFO_TIME | 1639 SURVEY_INFO_TIME_BUSY; 1640 survey->noise = pchan_stats[idx].noise; 1641 survey->time = pchan_stats[idx].cca_scan_dur; 1642 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1643 1644 return 0; 1645 } 1646 1647 /* Supported rates to be advertised to the cfg80211 */ 1648 static struct ieee80211_rate mwifiex_rates[] = { 1649 {.bitrate = 10, .hw_value = 2, }, 1650 {.bitrate = 20, .hw_value = 4, }, 1651 {.bitrate = 55, .hw_value = 11, }, 1652 {.bitrate = 110, .hw_value = 22, }, 1653 {.bitrate = 60, .hw_value = 12, }, 1654 {.bitrate = 90, .hw_value = 18, }, 1655 {.bitrate = 120, .hw_value = 24, }, 1656 {.bitrate = 180, .hw_value = 36, }, 1657 {.bitrate = 240, .hw_value = 48, }, 1658 {.bitrate = 360, .hw_value = 72, }, 1659 {.bitrate = 480, .hw_value = 96, }, 1660 {.bitrate = 540, .hw_value = 108, }, 1661 }; 1662 1663 /* Channel definitions to be advertised to cfg80211 */ 1664 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1665 {.center_freq = 2412, .hw_value = 1, }, 1666 {.center_freq = 2417, .hw_value = 2, }, 1667 {.center_freq = 2422, .hw_value = 3, }, 1668 {.center_freq = 2427, .hw_value = 4, }, 1669 {.center_freq = 2432, .hw_value = 5, }, 1670 {.center_freq = 2437, .hw_value = 6, }, 1671 {.center_freq = 2442, .hw_value = 7, }, 1672 {.center_freq = 2447, .hw_value = 8, }, 1673 {.center_freq = 2452, .hw_value = 9, }, 1674 {.center_freq = 2457, .hw_value = 10, }, 1675 {.center_freq = 2462, .hw_value = 11, }, 1676 {.center_freq = 2467, .hw_value = 12, }, 1677 {.center_freq = 2472, .hw_value = 13, }, 1678 {.center_freq = 2484, .hw_value = 14, }, 1679 }; 1680 1681 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1682 .channels = mwifiex_channels_2ghz, 1683 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1684 .bitrates = mwifiex_rates, 1685 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1686 }; 1687 1688 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1689 {.center_freq = 5040, .hw_value = 8, }, 1690 {.center_freq = 5060, .hw_value = 12, }, 1691 {.center_freq = 5080, .hw_value = 16, }, 1692 {.center_freq = 5170, .hw_value = 34, }, 1693 {.center_freq = 5190, .hw_value = 38, }, 1694 {.center_freq = 5210, .hw_value = 42, }, 1695 {.center_freq = 5230, .hw_value = 46, }, 1696 {.center_freq = 5180, .hw_value = 36, }, 1697 {.center_freq = 5200, .hw_value = 40, }, 1698 {.center_freq = 5220, .hw_value = 44, }, 1699 {.center_freq = 5240, .hw_value = 48, }, 1700 {.center_freq = 5260, .hw_value = 52, }, 1701 {.center_freq = 5280, .hw_value = 56, }, 1702 {.center_freq = 5300, .hw_value = 60, }, 1703 {.center_freq = 5320, .hw_value = 64, }, 1704 {.center_freq = 5500, .hw_value = 100, }, 1705 {.center_freq = 5520, .hw_value = 104, }, 1706 {.center_freq = 5540, .hw_value = 108, }, 1707 {.center_freq = 5560, .hw_value = 112, }, 1708 {.center_freq = 5580, .hw_value = 116, }, 1709 {.center_freq = 5600, .hw_value = 120, }, 1710 {.center_freq = 5620, .hw_value = 124, }, 1711 {.center_freq = 5640, .hw_value = 128, }, 1712 {.center_freq = 5660, .hw_value = 132, }, 1713 {.center_freq = 5680, .hw_value = 136, }, 1714 {.center_freq = 5700, .hw_value = 140, }, 1715 {.center_freq = 5745, .hw_value = 149, }, 1716 {.center_freq = 5765, .hw_value = 153, }, 1717 {.center_freq = 5785, .hw_value = 157, }, 1718 {.center_freq = 5805, .hw_value = 161, }, 1719 {.center_freq = 5825, .hw_value = 165, }, 1720 }; 1721 1722 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1723 .channels = mwifiex_channels_5ghz, 1724 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1725 .bitrates = mwifiex_rates + 4, 1726 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1727 }; 1728 1729 1730 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1731 static const u32 mwifiex_cipher_suites[] = { 1732 WLAN_CIPHER_SUITE_WEP40, 1733 WLAN_CIPHER_SUITE_WEP104, 1734 WLAN_CIPHER_SUITE_TKIP, 1735 WLAN_CIPHER_SUITE_CCMP, 1736 WLAN_CIPHER_SUITE_SMS4, 1737 WLAN_CIPHER_SUITE_AES_CMAC, 1738 }; 1739 1740 /* Supported mgmt frame types to be advertised to cfg80211 */ 1741 static const struct ieee80211_txrx_stypes 1742 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1743 [NL80211_IFTYPE_STATION] = { 1744 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1745 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1746 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1747 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1748 }, 1749 [NL80211_IFTYPE_AP] = { 1750 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1751 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1752 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1753 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1754 }, 1755 [NL80211_IFTYPE_P2P_CLIENT] = { 1756 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1757 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1758 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1759 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1760 }, 1761 [NL80211_IFTYPE_P2P_GO] = { 1762 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1763 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1764 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1765 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1766 }, 1767 }; 1768 1769 /* 1770 * CFG802.11 operation handler for setting bit rates. 1771 * 1772 * Function configures data rates to firmware using bitrate mask 1773 * provided by cfg80211. 1774 */ 1775 static int 1776 mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1777 struct net_device *dev, 1778 unsigned int link_id, 1779 const u8 *peer, 1780 const struct cfg80211_bitrate_mask *mask) 1781 { 1782 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1783 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1784 enum nl80211_band band; 1785 struct mwifiex_adapter *adapter = priv->adapter; 1786 1787 if (!priv->media_connected) { 1788 mwifiex_dbg(adapter, ERROR, 1789 "Can not set Tx data rate in disconnected state\n"); 1790 return -EINVAL; 1791 } 1792 1793 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1794 1795 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1796 1797 /* Fill HR/DSSS rates. */ 1798 if (band == NL80211_BAND_2GHZ) 1799 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1800 1801 /* Fill OFDM rates */ 1802 if (band == NL80211_BAND_2GHZ) 1803 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1804 else 1805 bitmap_rates[1] = mask->control[band].legacy; 1806 1807 /* Fill HT MCS rates */ 1808 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1809 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1810 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1811 1812 /* Fill VHT MCS rates */ 1813 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1814 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1815 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1816 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1817 } 1818 1819 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1820 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1821 } 1822 1823 /* 1824 * CFG802.11 operation handler for connection quality monitoring. 1825 * 1826 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1827 * events to FW. 1828 */ 1829 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1830 struct net_device *dev, 1831 s32 rssi_thold, u32 rssi_hyst) 1832 { 1833 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1834 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1835 1836 priv->cqm_rssi_thold = rssi_thold; 1837 priv->cqm_rssi_hyst = rssi_hyst; 1838 1839 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1840 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1841 1842 /* Subscribe/unsubscribe low and high rssi events */ 1843 if (rssi_thold && rssi_hyst) { 1844 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1845 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1846 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1847 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1848 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1849 return mwifiex_send_cmd(priv, 1850 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1851 0, 0, &subsc_evt, true); 1852 } else { 1853 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1854 return mwifiex_send_cmd(priv, 1855 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1856 0, 0, &subsc_evt, true); 1857 } 1858 1859 return 0; 1860 } 1861 1862 /* cfg80211 operation handler for change_beacon. 1863 * Function retrieves and sets modified management IEs to FW. 1864 */ 1865 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1866 struct net_device *dev, 1867 struct cfg80211_ap_update *params) 1868 { 1869 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1870 struct mwifiex_adapter *adapter = priv->adapter; 1871 struct cfg80211_beacon_data *data = ¶ms->beacon; 1872 1873 mwifiex_cancel_scan(adapter); 1874 1875 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1876 mwifiex_dbg(priv->adapter, ERROR, 1877 "%s: bss_type mismatched\n", __func__); 1878 return -EINVAL; 1879 } 1880 1881 if (!priv->bss_started) { 1882 mwifiex_dbg(priv->adapter, ERROR, 1883 "%s: bss not started\n", __func__); 1884 return -EINVAL; 1885 } 1886 1887 if (mwifiex_set_mgmt_ies(priv, data)) { 1888 mwifiex_dbg(priv->adapter, ERROR, 1889 "%s: setting mgmt ies failed\n", __func__); 1890 return -EFAULT; 1891 } 1892 1893 return 0; 1894 } 1895 1896 /* cfg80211 operation handler for del_station. 1897 * Function deauthenticates station which value is provided in mac parameter. 1898 * If mac is NULL/broadcast, all stations in associated station list are 1899 * deauthenticated. If bss is not started or there are no stations in 1900 * associated stations list, no action is taken. 1901 */ 1902 static int 1903 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct wireless_dev *wdev, 1904 struct station_del_parameters *params) 1905 { 1906 struct mwifiex_private *priv = 1907 mwifiex_netdev_get_priv(wdev->netdev); 1908 struct mwifiex_sta_node *sta_node; 1909 u8 deauth_mac[ETH_ALEN]; 1910 1911 if (!priv->bss_started && priv->wdev.links[0].cac_started) { 1912 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1913 mwifiex_abort_cac(priv); 1914 } 1915 1916 if (list_empty(&priv->sta_list) || !priv->bss_started) 1917 return 0; 1918 1919 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1920 return 0; 1921 1922 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1923 __func__, params->mac); 1924 1925 eth_zero_addr(deauth_mac); 1926 1927 spin_lock_bh(&priv->sta_list_spinlock); 1928 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1929 if (sta_node) 1930 ether_addr_copy(deauth_mac, params->mac); 1931 spin_unlock_bh(&priv->sta_list_spinlock); 1932 1933 if (is_valid_ether_addr(deauth_mac)) { 1934 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1935 HostCmd_ACT_GEN_SET, 0, 1936 deauth_mac, true)) 1937 return -1; 1938 } 1939 1940 return 0; 1941 } 1942 1943 static int 1944 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, int radio_idx, u32 tx_ant, 1945 u32 rx_ant) 1946 { 1947 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1948 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1949 MWIFIEX_BSS_ROLE_ANY); 1950 struct mwifiex_ds_ant_cfg ant_cfg; 1951 1952 if (!tx_ant || !rx_ant) 1953 return -EOPNOTSUPP; 1954 1955 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1956 /* Not a MIMO chip. User should provide specific antenna number 1957 * for Tx/Rx path or enable all antennas for diversity 1958 */ 1959 if (tx_ant != rx_ant) 1960 return -EOPNOTSUPP; 1961 1962 if ((tx_ant & (tx_ant - 1)) && 1963 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1964 return -EOPNOTSUPP; 1965 1966 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1967 (priv->adapter->number_of_antenna > 1)) { 1968 tx_ant = RF_ANTENNA_AUTO; 1969 rx_ant = RF_ANTENNA_AUTO; 1970 } 1971 } else { 1972 struct ieee80211_sta_ht_cap *ht_info; 1973 int rx_mcs_supp; 1974 enum nl80211_band band; 1975 1976 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1977 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1978 if (adapter->is_hw_11ac_capable) 1979 adapter->usr_dot_11ac_mcs_support = 1980 MWIFIEX_11AC_MCS_MAP_1X1; 1981 } else { 1982 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1983 if (adapter->is_hw_11ac_capable) 1984 adapter->usr_dot_11ac_mcs_support = 1985 MWIFIEX_11AC_MCS_MAP_2X2; 1986 } 1987 1988 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1989 if (!adapter->wiphy->bands[band]) 1990 continue; 1991 1992 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1993 rx_mcs_supp = 1994 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1995 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1996 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1997 } 1998 } 1999 2000 ant_cfg.tx_ant = tx_ant; 2001 ant_cfg.rx_ant = rx_ant; 2002 2003 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 2004 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 2005 } 2006 2007 static int 2008 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, int radio_idx, u32 *tx_ant, 2009 u32 *rx_ant) 2010 { 2011 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2012 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 2013 MWIFIEX_BSS_ROLE_ANY); 2014 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 2015 HostCmd_ACT_GEN_GET, 0, NULL, true); 2016 2017 *tx_ant = priv->tx_ant; 2018 *rx_ant = priv->rx_ant; 2019 2020 return 0; 2021 } 2022 2023 /* cfg80211 operation handler for stop ap. 2024 * Function stops BSS running at uAP interface. 2025 */ 2026 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, 2027 unsigned int link_id) 2028 { 2029 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2030 2031 mwifiex_abort_cac(priv); 2032 2033 if (mwifiex_del_mgmt_ies(priv)) 2034 mwifiex_dbg(priv->adapter, ERROR, 2035 "Failed to delete mgmt IEs!\n"); 2036 2037 priv->ap_11n_enabled = 0; 2038 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 2039 2040 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 2041 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 2042 mwifiex_dbg(priv->adapter, ERROR, 2043 "Failed to stop the BSS\n"); 2044 return -1; 2045 } 2046 2047 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 2048 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 2049 mwifiex_dbg(priv->adapter, ERROR, 2050 "Failed to reset BSS\n"); 2051 return -1; 2052 } 2053 2054 if (netif_carrier_ok(priv->netdev)) 2055 netif_carrier_off(priv->netdev); 2056 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 2057 2058 return 0; 2059 } 2060 2061 /* cfg80211 operation handler for start_ap. 2062 * Function sets beacon period, DTIM period, SSID and security into 2063 * AP config structure. 2064 * AP is configured with these settings and BSS is started. 2065 */ 2066 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 2067 struct net_device *dev, 2068 struct cfg80211_ap_settings *params) 2069 { 2070 struct mwifiex_uap_bss_param *bss_cfg; 2071 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2072 2073 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 2074 return -1; 2075 2076 bss_cfg = kzalloc_obj(struct mwifiex_uap_bss_param); 2077 if (!bss_cfg) 2078 return -ENOMEM; 2079 2080 mwifiex_set_sys_config_invalid_data(bss_cfg); 2081 2082 memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN); 2083 2084 if (params->beacon_interval) 2085 bss_cfg->beacon_period = params->beacon_interval; 2086 if (params->dtim_period) 2087 bss_cfg->dtim_period = params->dtim_period; 2088 2089 if (params->ssid && params->ssid_len) { 2090 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 2091 bss_cfg->ssid.ssid_len = params->ssid_len; 2092 } 2093 if (params->inactivity_timeout > 0) { 2094 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 2095 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 2096 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 2097 } 2098 2099 switch (params->hidden_ssid) { 2100 case NL80211_HIDDEN_SSID_NOT_IN_USE: 2101 bss_cfg->bcast_ssid_ctl = 1; 2102 break; 2103 case NL80211_HIDDEN_SSID_ZERO_LEN: 2104 bss_cfg->bcast_ssid_ctl = 0; 2105 break; 2106 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 2107 bss_cfg->bcast_ssid_ctl = 2; 2108 break; 2109 default: 2110 kfree(bss_cfg); 2111 return -EINVAL; 2112 } 2113 2114 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 2115 mwifiex_set_uap_rates(bss_cfg, params); 2116 2117 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 2118 mwifiex_dbg(priv->adapter, ERROR, 2119 "Failed to parse security parameters!\n"); 2120 goto out; 2121 } 2122 2123 mwifiex_set_ht_params(priv, bss_cfg, params); 2124 2125 if (priv->adapter->is_hw_11ac_capable) { 2126 mwifiex_set_vht_params(priv, bss_cfg, params); 2127 mwifiex_set_vht_width(priv, params->chandef.width, 2128 priv->ap_11ac_enabled); 2129 } 2130 2131 if (priv->ap_11ac_enabled) 2132 mwifiex_set_11ac_ba_params(priv); 2133 else 2134 mwifiex_set_ba_params(priv); 2135 2136 mwifiex_set_wmm_params(priv, bss_cfg, params); 2137 2138 if (mwifiex_is_11h_active(priv)) 2139 mwifiex_set_tpc_params(priv, bss_cfg, params); 2140 2141 if (mwifiex_is_11h_active(priv) && 2142 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 2143 priv->bss_mode)) { 2144 mwifiex_dbg(priv->adapter, INFO, 2145 "Disable 11h extensions in FW\n"); 2146 if (mwifiex_11h_activate(priv, false)) { 2147 mwifiex_dbg(priv->adapter, ERROR, 2148 "Failed to disable 11h extensions!!"); 2149 goto out; 2150 } 2151 priv->state_11h.is_11h_active = false; 2152 } 2153 2154 mwifiex_config_uap_11d(priv, ¶ms->beacon); 2155 2156 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2157 mwifiex_dbg(priv->adapter, ERROR, 2158 "Failed to start AP\n"); 2159 goto out; 2160 } 2161 2162 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2163 goto out; 2164 2165 if (!netif_carrier_ok(priv->netdev)) 2166 netif_carrier_on(priv->netdev); 2167 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2168 2169 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2170 kfree(bss_cfg); 2171 return 0; 2172 2173 out: 2174 kfree(bss_cfg); 2175 return -1; 2176 } 2177 2178 /* 2179 * CFG802.11 operation handler for disconnection request. 2180 * 2181 * This function does not work when there is already a disconnection 2182 * procedure going on. 2183 */ 2184 static int 2185 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2186 u16 reason_code) 2187 { 2188 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2189 2190 if (!mwifiex_stop_bg_scan(priv)) 2191 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 2192 2193 if (mwifiex_deauthenticate(priv, NULL)) 2194 return -EFAULT; 2195 2196 eth_zero_addr(priv->cfg_bssid); 2197 priv->hs2_enabled = false; 2198 2199 return 0; 2200 } 2201 2202 /* 2203 * This function informs the CFG802.11 subsystem of a new IBSS. 2204 * 2205 * The following information are sent to the CFG802.11 subsystem 2206 * to register the new IBSS. If we do not register the new IBSS, 2207 * a kernel panic will result. 2208 * - SSID 2209 * - SSID length 2210 * - BSSID 2211 * - Channel 2212 */ 2213 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2214 { 2215 struct ieee80211_channel *chan; 2216 struct mwifiex_bss_info bss_info; 2217 struct cfg80211_bss *bss; 2218 int ie_len; 2219 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2220 enum nl80211_band band; 2221 2222 if (mwifiex_get_bss_info(priv, &bss_info)) 2223 return -1; 2224 2225 ie_buf[0] = WLAN_EID_SSID; 2226 ie_buf[1] = bss_info.ssid.ssid_len; 2227 2228 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2229 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2230 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2231 2232 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2233 chan = ieee80211_get_channel(priv->wdev.wiphy, 2234 ieee80211_channel_to_frequency(bss_info.bss_chan, 2235 band)); 2236 2237 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2238 CFG80211_BSS_FTYPE_UNKNOWN, 2239 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2240 0, ie_buf, ie_len, 0, GFP_KERNEL); 2241 if (bss) { 2242 cfg80211_put_bss(priv->wdev.wiphy, bss); 2243 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2244 } 2245 2246 return 0; 2247 } 2248 2249 /* 2250 * This function connects with a BSS. 2251 * 2252 * This function handles both Infra and Ad-Hoc modes. It also performs 2253 * validity checking on the provided parameters, disconnects from the 2254 * current BSS (if any), sets up the association/scan parameters, 2255 * including security settings, and performs specific SSID scan before 2256 * trying to connect. 2257 * 2258 * For Infra mode, the function returns failure if the specified SSID 2259 * is not found in scan table. However, for Ad-Hoc mode, it can create 2260 * the IBSS if it does not exist. On successful completion in either case, 2261 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2262 */ 2263 static int 2264 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2265 const u8 *ssid, const u8 *bssid, int mode, 2266 struct ieee80211_channel *channel, 2267 struct cfg80211_connect_params *sme, bool privacy, 2268 struct cfg80211_bss **sel_bss) 2269 { 2270 struct cfg80211_ssid req_ssid; 2271 int ret, auth_type = 0; 2272 struct cfg80211_bss *bss = NULL; 2273 u8 is_scanning_required = 0; 2274 2275 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2276 2277 req_ssid.ssid_len = ssid_len; 2278 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2279 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2280 return -EINVAL; 2281 } 2282 2283 memcpy(req_ssid.ssid, ssid, ssid_len); 2284 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2285 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2286 return -EINVAL; 2287 } 2288 2289 /* As this is new association, clear locally stored 2290 * keys and security related flags */ 2291 priv->sec_info.wpa_enabled = false; 2292 priv->sec_info.wpa2_enabled = false; 2293 priv->wep_key_curr_index = 0; 2294 priv->sec_info.encryption_mode = 0; 2295 priv->sec_info.is_authtype_auto = 0; 2296 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2297 2298 if (mode == NL80211_IFTYPE_ADHOC) { 2299 u16 enable = true; 2300 2301 /* set ibss coalescing_status */ 2302 ret = mwifiex_send_cmd( 2303 priv, 2304 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2305 HostCmd_ACT_GEN_SET, 0, &enable, true); 2306 if (ret) 2307 return ret; 2308 2309 /* "privacy" is set only for ad-hoc mode */ 2310 if (privacy) { 2311 /* 2312 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2313 * the firmware can find a matching network from the 2314 * scan. The cfg80211 does not give us the encryption 2315 * mode at this stage so just setting it to WEP here. 2316 */ 2317 priv->sec_info.encryption_mode = 2318 WLAN_CIPHER_SUITE_WEP104; 2319 priv->sec_info.authentication_mode = 2320 NL80211_AUTHTYPE_OPEN_SYSTEM; 2321 } 2322 2323 goto done; 2324 } 2325 2326 /* Now handle infra mode. "sme" is valid for infra mode only */ 2327 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2328 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2329 priv->sec_info.is_authtype_auto = 1; 2330 } else { 2331 auth_type = sme->auth_type; 2332 } 2333 2334 if (sme->crypto.n_ciphers_pairwise) { 2335 priv->sec_info.encryption_mode = 2336 sme->crypto.ciphers_pairwise[0]; 2337 priv->sec_info.authentication_mode = auth_type; 2338 } 2339 2340 if (sme->crypto.cipher_group) { 2341 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2342 priv->sec_info.authentication_mode = auth_type; 2343 } 2344 if (sme->ie) 2345 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2346 2347 if (sme->key) { 2348 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2349 mwifiex_dbg(priv->adapter, INFO, 2350 "info: setting wep encryption\t" 2351 "with key len %d\n", sme->key_len); 2352 priv->wep_key_curr_index = sme->key_idx; 2353 ret = mwifiex_set_encode(priv, NULL, sme->key, 2354 sme->key_len, sme->key_idx, 2355 NULL, 0); 2356 } 2357 } 2358 done: 2359 /* 2360 * Scan entries are valid for some time (15 sec). So we can save one 2361 * active scan time if we just try cfg80211_get_bss first. If it fails 2362 * then request scan and cfg80211_get_bss() again for final output. 2363 */ 2364 while (1) { 2365 if (is_scanning_required) { 2366 /* Do specific SSID scanning */ 2367 if (mwifiex_request_scan(priv, &req_ssid)) { 2368 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2369 return -EFAULT; 2370 } 2371 } 2372 2373 /* Find the BSS we want using available scan results */ 2374 if (mode == NL80211_IFTYPE_ADHOC) 2375 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2376 bssid, ssid, ssid_len, 2377 IEEE80211_BSS_TYPE_IBSS, 2378 IEEE80211_PRIVACY_ANY); 2379 else 2380 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2381 bssid, ssid, ssid_len, 2382 IEEE80211_BSS_TYPE_ESS, 2383 IEEE80211_PRIVACY_ANY); 2384 2385 if (!bss) { 2386 if (is_scanning_required) { 2387 mwifiex_dbg(priv->adapter, MSG, 2388 "assoc: requested bss not found in scan results\n"); 2389 break; 2390 } 2391 is_scanning_required = 1; 2392 } else { 2393 mwifiex_dbg(priv->adapter, MSG, 2394 "info: trying to associate to bssid %pM\n", 2395 bss->bssid); 2396 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2397 break; 2398 } 2399 } 2400 2401 if (bss) 2402 cfg80211_ref_bss(priv->adapter->wiphy, bss); 2403 2404 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2405 if (ret) 2406 goto cleanup; 2407 2408 if (mode == NL80211_IFTYPE_ADHOC) { 2409 /* Inform the BSS information to kernel, otherwise 2410 * kernel will give a panic after successful assoc */ 2411 if (mwifiex_cfg80211_inform_ibss_bss(priv)) { 2412 ret = -EFAULT; 2413 goto cleanup; 2414 } 2415 } 2416 2417 /* Pass the selected BSS entry to caller. */ 2418 if (sel_bss) { 2419 *sel_bss = bss; 2420 bss = NULL; 2421 } 2422 2423 cleanup: 2424 if (bss) 2425 cfg80211_put_bss(priv->adapter->wiphy, bss); 2426 return ret; 2427 } 2428 2429 /* 2430 * CFG802.11 operation handler for association request. 2431 * 2432 * This function does not work when the current mode is set to Ad-Hoc, or 2433 * when there is already an association procedure going on. The given BSS 2434 * information is used to associate. 2435 */ 2436 static int 2437 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2438 struct cfg80211_connect_params *sme) 2439 { 2440 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2441 struct mwifiex_adapter *adapter = priv->adapter; 2442 struct cfg80211_bss *bss = NULL; 2443 int ret; 2444 2445 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2446 mwifiex_dbg(adapter, ERROR, 2447 "%s: reject infra assoc request in non-STA role\n", 2448 dev->name); 2449 return -EINVAL; 2450 } 2451 2452 if (priv->wdev.connected) { 2453 mwifiex_dbg(adapter, ERROR, 2454 "%s: already connected\n", dev->name); 2455 return -EALREADY; 2456 } 2457 2458 if (priv->scan_block) 2459 priv->scan_block = false; 2460 2461 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) || 2462 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { 2463 mwifiex_dbg(adapter, ERROR, 2464 "%s: Ignore connection.\t" 2465 "Card removed or FW in bad state\n", 2466 dev->name); 2467 return -EFAULT; 2468 } 2469 2470 mwifiex_dbg(adapter, INFO, 2471 "info: Trying to associate to bssid %pM\n", sme->bssid); 2472 2473 if (!mwifiex_stop_bg_scan(priv)) 2474 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 2475 2476 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2477 priv->bss_mode, sme->channel, sme, 0, 2478 &bss); 2479 if (!ret) { 2480 cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL, 2481 0, NULL, 0, WLAN_STATUS_SUCCESS, 2482 GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED); 2483 mwifiex_dbg(priv->adapter, MSG, 2484 "info: associated to bssid %pM successfully\n", 2485 priv->cfg_bssid); 2486 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2487 priv->adapter->auto_tdls && 2488 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2489 mwifiex_setup_auto_tdls_timer(priv); 2490 } else { 2491 mwifiex_dbg(priv->adapter, ERROR, 2492 "info: association to bssid %pM failed\n", 2493 priv->cfg_bssid); 2494 eth_zero_addr(priv->cfg_bssid); 2495 2496 if (ret > 0) 2497 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2498 NULL, 0, NULL, 0, ret, 2499 GFP_KERNEL); 2500 else 2501 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2502 NULL, 0, NULL, 0, 2503 WLAN_STATUS_UNSPECIFIED_FAILURE, 2504 GFP_KERNEL); 2505 } 2506 2507 return 0; 2508 } 2509 2510 /* 2511 * This function sets following parameters for ibss network. 2512 * - channel 2513 * - start band 2514 * - 11n flag 2515 * - secondary channel offset 2516 */ 2517 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2518 struct cfg80211_ibss_params *params) 2519 { 2520 struct mwifiex_adapter *adapter = priv->adapter; 2521 int index = 0, i; 2522 u8 config_bands = 0; 2523 2524 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2525 if (!params->basic_rates) { 2526 config_bands = BAND_B | BAND_G; 2527 } else { 2528 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2529 /* 2530 * Rates below 6 Mbps in the table are CCK 2531 * rates; 802.11b and from 6 they are OFDM; 2532 * 802.11G 2533 */ 2534 if (mwifiex_rates[i].bitrate == 60) { 2535 index = 1 << i; 2536 break; 2537 } 2538 } 2539 2540 if (params->basic_rates < index) { 2541 config_bands = BAND_B; 2542 } else { 2543 config_bands = BAND_G; 2544 if (params->basic_rates % index) 2545 config_bands |= BAND_B; 2546 } 2547 } 2548 2549 if (cfg80211_get_chandef_type(¶ms->chandef) != 2550 NL80211_CHAN_NO_HT) 2551 config_bands |= BAND_G | BAND_GN; 2552 } else { 2553 if (cfg80211_get_chandef_type(¶ms->chandef) == 2554 NL80211_CHAN_NO_HT) 2555 config_bands = BAND_A; 2556 else 2557 config_bands = BAND_AN | BAND_A; 2558 } 2559 2560 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2561 adapter->config_bands = config_bands; 2562 adapter->adhoc_start_band = config_bands; 2563 2564 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2565 adapter->adhoc_11n_enabled = true; 2566 else 2567 adapter->adhoc_11n_enabled = false; 2568 } 2569 2570 adapter->sec_chan_offset = 2571 mwifiex_chan_type_to_sec_chan_offset( 2572 cfg80211_get_chandef_type(¶ms->chandef)); 2573 priv->adhoc_channel = ieee80211_frequency_to_channel( 2574 params->chandef.chan->center_freq); 2575 2576 mwifiex_dbg(adapter, INFO, 2577 "info: set ibss band %d, chan %d, chan offset %d\n", 2578 config_bands, priv->adhoc_channel, 2579 adapter->sec_chan_offset); 2580 2581 return 0; 2582 } 2583 2584 /* 2585 * CFG802.11 operation handler to join an IBSS. 2586 * 2587 * This function does not work in any mode other than Ad-Hoc, or if 2588 * a join operation is already in progress. 2589 */ 2590 static int 2591 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2592 struct cfg80211_ibss_params *params) 2593 { 2594 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2595 int ret = 0; 2596 2597 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2598 mwifiex_dbg(priv->adapter, ERROR, 2599 "request to join ibss received\t" 2600 "when station is not in ibss mode\n"); 2601 goto done; 2602 } 2603 2604 mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n", 2605 params->bssid); 2606 2607 mwifiex_set_ibss_params(priv, params); 2608 2609 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2610 params->bssid, priv->bss_mode, 2611 params->chandef.chan, NULL, 2612 params->privacy, NULL); 2613 done: 2614 if (!ret) { 2615 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2616 params->chandef.chan, GFP_KERNEL); 2617 mwifiex_dbg(priv->adapter, MSG, 2618 "info: joined/created adhoc network with bssid\t" 2619 "%pM successfully\n", priv->cfg_bssid); 2620 } else { 2621 mwifiex_dbg(priv->adapter, ERROR, 2622 "info: failed creating/joining adhoc network\n"); 2623 } 2624 2625 return ret; 2626 } 2627 2628 /* 2629 * CFG802.11 operation handler to leave an IBSS. 2630 * 2631 * This function does not work if a leave operation is 2632 * already in progress. 2633 */ 2634 static int 2635 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2636 { 2637 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2638 2639 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2640 priv->cfg_bssid); 2641 if (mwifiex_deauthenticate(priv, NULL)) 2642 return -EFAULT; 2643 2644 eth_zero_addr(priv->cfg_bssid); 2645 2646 return 0; 2647 } 2648 2649 /* 2650 * CFG802.11 operation handler for scan request. 2651 * 2652 * This function issues a scan request to the firmware based upon 2653 * the user specified scan configuration. On successful completion, 2654 * it also informs the results. 2655 */ 2656 static int 2657 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2658 struct cfg80211_scan_request *request) 2659 { 2660 struct net_device *dev = request->wdev->netdev; 2661 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2662 int i, offset, ret; 2663 struct ieee80211_channel *chan; 2664 struct ieee_types_header *ie; 2665 struct mwifiex_user_scan_cfg *user_scan_cfg; 2666 u8 mac_addr[ETH_ALEN]; 2667 2668 mwifiex_dbg(priv->adapter, CMD, 2669 "info: received scan request on %s\n", dev->name); 2670 2671 /* Block scan request if scan operation or scan cleanup when interface 2672 * is disabled is in process 2673 */ 2674 if (priv->scan_request || priv->scan_aborting) { 2675 mwifiex_dbg(priv->adapter, WARN, 2676 "cmd: Scan already in process..\n"); 2677 return -EBUSY; 2678 } 2679 2680 if (!priv->wdev.connected && priv->scan_block) 2681 priv->scan_block = false; 2682 2683 if (!mwifiex_stop_bg_scan(priv)) 2684 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 2685 2686 user_scan_cfg = kzalloc_obj(*user_scan_cfg); 2687 if (!user_scan_cfg) 2688 return -ENOMEM; 2689 2690 priv->scan_request = request; 2691 2692 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2693 get_random_mask_addr(mac_addr, request->mac_addr, 2694 request->mac_addr_mask); 2695 ether_addr_copy(request->mac_addr, mac_addr); 2696 ether_addr_copy(user_scan_cfg->random_mac, mac_addr); 2697 } 2698 2699 user_scan_cfg->num_ssids = request->n_ssids; 2700 user_scan_cfg->ssid_list = request->ssids; 2701 2702 if (request->ie && request->ie_len) { 2703 offset = 0; 2704 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2705 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2706 continue; 2707 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2708 ie = (struct ieee_types_header *)(request->ie + offset); 2709 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2710 offset += sizeof(*ie) + ie->len; 2711 2712 if (offset >= request->ie_len) 2713 break; 2714 } 2715 } 2716 2717 for (i = 0; i < min_t(u32, request->n_channels, 2718 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2719 chan = request->channels[i]; 2720 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2721 user_scan_cfg->chan_list[i].radio_type = chan->band; 2722 2723 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2724 user_scan_cfg->chan_list[i].scan_type = 2725 MWIFIEX_SCAN_TYPE_PASSIVE; 2726 else 2727 user_scan_cfg->chan_list[i].scan_type = 2728 MWIFIEX_SCAN_TYPE_ACTIVE; 2729 2730 user_scan_cfg->chan_list[i].scan_time = 0; 2731 } 2732 2733 if (priv->adapter->scan_chan_gap_enabled && 2734 mwifiex_is_any_intf_active(priv)) 2735 user_scan_cfg->scan_chan_gap = 2736 priv->adapter->scan_chan_gap_time; 2737 2738 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2739 kfree(user_scan_cfg); 2740 if (ret) { 2741 mwifiex_dbg(priv->adapter, ERROR, 2742 "scan failed: %d\n", ret); 2743 priv->scan_aborting = false; 2744 priv->scan_request = NULL; 2745 return ret; 2746 } 2747 2748 if (request->ie && request->ie_len) { 2749 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2750 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2751 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2752 memset(&priv->vs_ie[i].ie, 0, 2753 MWIFIEX_MAX_VSIE_LEN); 2754 } 2755 } 2756 } 2757 return 0; 2758 } 2759 2760 /* CFG802.11 operation handler for sched_scan_start. 2761 * 2762 * This function issues a bgscan config request to the firmware based upon 2763 * the user specified sched_scan configuration. On successful completion, 2764 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2765 * query command to get sched_scan results from firmware. 2766 */ 2767 static int 2768 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2769 struct net_device *dev, 2770 struct cfg80211_sched_scan_request *request) 2771 { 2772 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2773 int i, offset; 2774 struct ieee80211_channel *chan; 2775 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2776 struct ieee_types_header *ie; 2777 2778 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2779 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2780 __func__); 2781 return -EINVAL; 2782 } 2783 2784 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2785 request->n_ssids, request->n_match_sets); 2786 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2787 request->n_channels, request->scan_plans->interval, 2788 (int)request->ie_len); 2789 2790 bgscan_cfg = kzalloc_obj(*bgscan_cfg); 2791 if (!bgscan_cfg) 2792 return -ENOMEM; 2793 2794 if (priv->scan_request || priv->scan_aborting) 2795 bgscan_cfg->start_later = true; 2796 2797 bgscan_cfg->num_ssids = request->n_match_sets; 2798 bgscan_cfg->ssid_list = request->match_sets; 2799 2800 if (request->ie && request->ie_len) { 2801 offset = 0; 2802 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2803 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2804 continue; 2805 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2806 ie = (struct ieee_types_header *)(request->ie + offset); 2807 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2808 offset += sizeof(*ie) + ie->len; 2809 2810 if (offset >= request->ie_len) 2811 break; 2812 } 2813 } 2814 2815 for (i = 0; i < min_t(u32, request->n_channels, 2816 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2817 chan = request->channels[i]; 2818 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2819 bgscan_cfg->chan_list[i].radio_type = chan->band; 2820 2821 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2822 bgscan_cfg->chan_list[i].scan_type = 2823 MWIFIEX_SCAN_TYPE_PASSIVE; 2824 else 2825 bgscan_cfg->chan_list[i].scan_type = 2826 MWIFIEX_SCAN_TYPE_ACTIVE; 2827 2828 bgscan_cfg->chan_list[i].scan_time = 0; 2829 } 2830 2831 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2832 MWIFIEX_BG_SCAN_CHAN_MAX); 2833 2834 /* Use at least 15 second for per scan cycle */ 2835 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2836 MWIFIEX_BGSCAN_INTERVAL) ? 2837 request->scan_plans->interval : 2838 MWIFIEX_BGSCAN_INTERVAL; 2839 2840 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2841 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2842 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2843 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2844 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2845 bgscan_cfg->enable = true; 2846 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2847 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2848 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2849 } 2850 2851 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2852 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2853 kfree(bgscan_cfg); 2854 return -EFAULT; 2855 } 2856 2857 priv->sched_scanning = true; 2858 2859 kfree(bgscan_cfg); 2860 return 0; 2861 } 2862 2863 /* CFG802.11 operation handler for sched_scan_stop. 2864 * 2865 * This function issues a bgscan config command to disable 2866 * previous bgscan configuration in the firmware 2867 */ 2868 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2869 struct net_device *dev, u64 reqid) 2870 { 2871 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2872 2873 wiphy_info(wiphy, "sched scan stop!"); 2874 mwifiex_stop_bg_scan(priv); 2875 2876 return 0; 2877 } 2878 2879 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2880 struct mwifiex_private *priv) 2881 { 2882 struct mwifiex_adapter *adapter = priv->adapter; 2883 2884 vht_info->vht_supported = true; 2885 2886 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2887 /* Update MCS support for VHT */ 2888 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2889 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2890 vht_info->vht_mcs.rx_highest = 0; 2891 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2892 adapter->hw_dot_11ac_mcs_support >> 16); 2893 vht_info->vht_mcs.tx_highest = 0; 2894 } 2895 2896 /* 2897 * This function sets up the CFG802.11 specific HT capability fields 2898 * with default values. 2899 * 2900 * The following default values are set - 2901 * - HT Supported = True 2902 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2903 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2904 * - HT Capabilities supported by firmware 2905 * - MCS information, Rx mask = 0xff 2906 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2907 */ 2908 static void 2909 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2910 struct mwifiex_private *priv) 2911 { 2912 int rx_mcs_supp; 2913 struct mwifiex_adapter *adapter = priv->adapter; 2914 2915 ht_info->ht_supported = true; 2916 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2917 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2918 2919 /* Fill HT capability information */ 2920 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2921 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2922 else 2923 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2924 2925 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2926 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2927 else 2928 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2929 2930 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2931 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2932 else 2933 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2934 2935 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2936 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2937 else 2938 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2939 2940 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2941 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2942 else 2943 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2944 2945 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2946 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2947 else 2948 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2949 2950 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2951 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2952 else 2953 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2954 2955 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2956 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2957 else 2958 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2959 2960 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2961 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2962 2963 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2964 2965 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2966 /* Set MCS for 1x1/2x2 */ 2967 memset(ht_info->mcs.rx_mask, 0xff, rx_mcs_supp); 2968 2969 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2970 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2971 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2972 SETHT_MCS32(ht_info->mcs.rx_mask); 2973 2974 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2975 } 2976 2977 /* 2978 * create a new virtual interface with the given name and name assign type 2979 */ 2980 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2981 const char *name, 2982 unsigned char name_assign_type, 2983 enum nl80211_iftype type, 2984 struct vif_params *params) 2985 { 2986 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2987 struct mwifiex_private *priv; 2988 struct net_device *dev; 2989 void *mdev_priv; 2990 int ret; 2991 2992 if (!adapter) 2993 return ERR_PTR(-EFAULT); 2994 2995 switch (type) { 2996 case NL80211_IFTYPE_UNSPECIFIED: 2997 case NL80211_IFTYPE_STATION: 2998 case NL80211_IFTYPE_ADHOC: 2999 if (adapter->curr_iface_comb.sta_intf == 3000 adapter->iface_limit.sta_intf) { 3001 mwifiex_dbg(adapter, ERROR, 3002 "cannot create multiple sta/adhoc ifaces\n"); 3003 return ERR_PTR(-EINVAL); 3004 } 3005 3006 priv = mwifiex_get_unused_priv_by_bss_type( 3007 adapter, MWIFIEX_BSS_TYPE_STA); 3008 if (!priv) { 3009 mwifiex_dbg(adapter, ERROR, 3010 "could not get free private struct\n"); 3011 return ERR_PTR(-EFAULT); 3012 } 3013 3014 priv->wdev.iftype = NL80211_IFTYPE_STATION; 3015 3016 if (type == NL80211_IFTYPE_UNSPECIFIED) 3017 priv->bss_mode = NL80211_IFTYPE_STATION; 3018 else 3019 priv->bss_mode = type; 3020 3021 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 3022 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 3023 3024 break; 3025 case NL80211_IFTYPE_AP: 3026 if (adapter->curr_iface_comb.uap_intf == 3027 adapter->iface_limit.uap_intf) { 3028 mwifiex_dbg(adapter, ERROR, 3029 "cannot create multiple AP ifaces\n"); 3030 return ERR_PTR(-EINVAL); 3031 } 3032 3033 priv = mwifiex_get_unused_priv_by_bss_type( 3034 adapter, MWIFIEX_BSS_TYPE_UAP); 3035 if (!priv) { 3036 mwifiex_dbg(adapter, ERROR, 3037 "could not get free private struct\n"); 3038 return ERR_PTR(-EFAULT); 3039 } 3040 3041 priv->wdev.iftype = NL80211_IFTYPE_AP; 3042 3043 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 3044 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 3045 priv->bss_mode = type; 3046 3047 break; 3048 case NL80211_IFTYPE_P2P_CLIENT: 3049 if (adapter->curr_iface_comb.p2p_intf == 3050 adapter->iface_limit.p2p_intf) { 3051 mwifiex_dbg(adapter, ERROR, 3052 "cannot create multiple P2P ifaces\n"); 3053 return ERR_PTR(-EINVAL); 3054 } 3055 3056 priv = mwifiex_get_unused_priv_by_bss_type( 3057 adapter, MWIFIEX_BSS_TYPE_P2P); 3058 if (!priv) { 3059 mwifiex_dbg(adapter, ERROR, 3060 "could not get free private struct\n"); 3061 return ERR_PTR(-EFAULT); 3062 } 3063 3064 /* At start-up, wpa_supplicant tries to change the interface 3065 * to NL80211_IFTYPE_STATION if it is not managed mode. 3066 */ 3067 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 3068 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 3069 3070 /* Setting bss_type to P2P tells firmware that this interface 3071 * is receiving P2P peers found during find phase and doing 3072 * action frame handshake. 3073 */ 3074 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 3075 3076 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 3077 3078 if (mwifiex_cfg80211_init_p2p_client(priv)) { 3079 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3080 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3081 return ERR_PTR(-EFAULT); 3082 } 3083 3084 break; 3085 default: 3086 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3087 return ERR_PTR(-EINVAL); 3088 } 3089 3090 priv->wdev.wiphy = wiphy; 3091 priv->bss_priority = 0; 3092 priv->bss_started = 0; 3093 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 3094 3095 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 3096 name_assign_type, ether_setup, 3097 IEEE80211_NUM_ACS, 1); 3098 if (!dev) { 3099 mwifiex_dbg(adapter, ERROR, 3100 "no memory available for netdevice\n"); 3101 ret = -ENOMEM; 3102 goto err_alloc_netdev; 3103 } 3104 3105 mwifiex_init_priv_params(priv, dev); 3106 3107 priv->netdev = dev; 3108 3109 if (!adapter->mfg_mode) { 3110 mwifiex_set_mac_address(priv, dev, false, NULL); 3111 3112 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 3113 HostCmd_ACT_GEN_SET, 0, NULL, true); 3114 if (ret) 3115 goto err_set_bss_mode; 3116 3117 ret = mwifiex_sta_init_cmd(priv, false); 3118 if (ret) 3119 goto err_sta_init; 3120 } 3121 3122 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 3123 if (adapter->is_hw_11ac_capable) 3124 mwifiex_setup_vht_caps( 3125 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 3126 3127 if (adapter->config_bands & BAND_A) 3128 mwifiex_setup_ht_caps( 3129 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 3130 3131 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 3132 mwifiex_setup_vht_caps( 3133 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 3134 3135 dev_net_set(dev, wiphy_net(wiphy)); 3136 dev->ieee80211_ptr = &priv->wdev; 3137 dev->ieee80211_ptr->iftype = priv->bss_mode; 3138 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 3139 3140 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 3141 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 3142 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN; 3143 dev->ethtool_ops = &mwifiex_ethtool_ops; 3144 3145 mdev_priv = netdev_priv(dev); 3146 *((unsigned long *) mdev_priv) = (unsigned long) priv; 3147 3148 SET_NETDEV_DEV(dev, adapter->dev); 3149 3150 ret = dev_alloc_name(dev, name); 3151 if (ret < 0) 3152 goto err_alloc_name; 3153 3154 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC-%s", 3155 WQ_HIGHPRI | 3156 WQ_MEM_RECLAIM | 3157 WQ_UNBOUND, 0, dev->name); 3158 if (!priv->dfs_cac_workqueue) { 3159 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); 3160 ret = -ENOMEM; 3161 goto err_alloc_cac; 3162 } 3163 3164 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3165 3166 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW-%s", 3167 WQ_HIGHPRI | WQ_UNBOUND | 3168 WQ_MEM_RECLAIM, 0, dev->name); 3169 if (!priv->dfs_chan_sw_workqueue) { 3170 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); 3171 ret = -ENOMEM; 3172 goto err_alloc_chsw; 3173 } 3174 3175 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3176 mwifiex_dfs_chan_sw_work_queue); 3177 3178 mutex_init(&priv->async_mutex); 3179 3180 /* Register network device */ 3181 if (cfg80211_register_netdevice(dev)) { 3182 mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); 3183 ret = -EFAULT; 3184 goto err_reg_netdev; 3185 } 3186 3187 mwifiex_dbg(adapter, INFO, 3188 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3189 3190 #ifdef CONFIG_DEBUG_FS 3191 mwifiex_dev_debugfs_init(priv); 3192 #endif 3193 3194 update_vif_type_counter(adapter, type, +1); 3195 3196 return &priv->wdev; 3197 3198 err_reg_netdev: 3199 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3200 priv->dfs_chan_sw_workqueue = NULL; 3201 err_alloc_chsw: 3202 destroy_workqueue(priv->dfs_cac_workqueue); 3203 priv->dfs_cac_workqueue = NULL; 3204 err_alloc_cac: 3205 err_alloc_name: 3206 free_netdev(dev); 3207 priv->netdev = NULL; 3208 err_sta_init: 3209 err_set_bss_mode: 3210 err_alloc_netdev: 3211 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3212 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3213 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3214 return ERR_PTR(ret); 3215 } 3216 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3217 3218 /* 3219 * del_virtual_intf: remove the virtual interface determined by dev 3220 */ 3221 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3222 { 3223 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3224 struct mwifiex_adapter *adapter = priv->adapter; 3225 struct sk_buff *skb, *tmp; 3226 3227 #ifdef CONFIG_DEBUG_FS 3228 mwifiex_dev_debugfs_remove(priv); 3229 #endif 3230 3231 if (priv->sched_scanning) 3232 priv->sched_scanning = false; 3233 3234 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3235 3236 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3237 skb_unlink(skb, &priv->bypass_txq); 3238 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3239 } 3240 3241 if (netif_carrier_ok(priv->netdev)) 3242 netif_carrier_off(priv->netdev); 3243 3244 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3245 cfg80211_unregister_netdevice(wdev->netdev); 3246 3247 if (priv->dfs_cac_workqueue) { 3248 destroy_workqueue(priv->dfs_cac_workqueue); 3249 priv->dfs_cac_workqueue = NULL; 3250 } 3251 3252 if (priv->dfs_chan_sw_workqueue) { 3253 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3254 priv->dfs_chan_sw_workqueue = NULL; 3255 } 3256 /* Clear the priv in adapter */ 3257 priv->netdev = NULL; 3258 3259 update_vif_type_counter(adapter, priv->bss_mode, -1); 3260 3261 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3262 3263 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3264 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3265 kfree(priv->hist_data); 3266 3267 return 0; 3268 } 3269 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3270 3271 static bool 3272 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3273 u8 max_byte_seq) 3274 { 3275 int j, k, valid_byte_cnt = 0; 3276 bool dont_care_byte = false; 3277 3278 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3279 for (k = 0; k < 8; k++) { 3280 if (pat->mask[j] & 1 << k) { 3281 memcpy(byte_seq + valid_byte_cnt, 3282 &pat->pattern[j * 8 + k], 1); 3283 valid_byte_cnt++; 3284 if (dont_care_byte) 3285 return false; 3286 } else { 3287 if (valid_byte_cnt) 3288 dont_care_byte = true; 3289 } 3290 3291 /* wildcard bytes record as the offset 3292 * before the valid byte 3293 */ 3294 if (!valid_byte_cnt && !dont_care_byte) 3295 pat->pkt_offset++; 3296 3297 if (valid_byte_cnt > max_byte_seq) 3298 return false; 3299 } 3300 } 3301 3302 byte_seq[max_byte_seq] = valid_byte_cnt; 3303 3304 return true; 3305 } 3306 3307 #ifdef CONFIG_PM 3308 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3309 struct mwifiex_mef_entry *mef_entry) 3310 { 3311 int i, filt_num = 0, num_ipv4 = 0; 3312 struct in_device *in_dev; 3313 struct in_ifaddr *ifa; 3314 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3315 struct mwifiex_adapter *adapter = priv->adapter; 3316 3317 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3318 mef_entry->action = MEF_ACTION_AUTO_ARP; 3319 3320 /* Enable ARP offload feature */ 3321 memset(ips, 0, sizeof(ips)); 3322 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3323 if (adapter->priv[i]->netdev) { 3324 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3325 if (!in_dev) 3326 continue; 3327 ifa = rtnl_dereference(in_dev->ifa_list); 3328 if (!ifa || !ifa->ifa_local) 3329 continue; 3330 ips[i] = ifa->ifa_local; 3331 num_ipv4++; 3332 } 3333 } 3334 3335 for (i = 0; i < num_ipv4; i++) { 3336 if (!ips[i]) 3337 continue; 3338 mef_entry->filter[filt_num].repeat = 1; 3339 memcpy(mef_entry->filter[filt_num].byte_seq, 3340 (u8 *)&ips[i], sizeof(ips[i])); 3341 mef_entry->filter[filt_num]. 3342 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3343 sizeof(ips[i]); 3344 mef_entry->filter[filt_num].offset = 46; 3345 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3346 if (filt_num) { 3347 mef_entry->filter[filt_num].filt_action = 3348 TYPE_OR; 3349 } 3350 filt_num++; 3351 } 3352 3353 mef_entry->filter[filt_num].repeat = 1; 3354 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3355 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3356 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3357 mef_entry->filter[filt_num].offset = 20; 3358 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3359 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3360 } 3361 3362 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3363 struct mwifiex_ds_mef_cfg *mef_cfg, 3364 struct mwifiex_mef_entry *mef_entry, 3365 struct cfg80211_wowlan *wowlan) 3366 { 3367 int i, filt_num = 0, ret = 0; 3368 bool first_pat = true; 3369 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3370 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3371 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3372 3373 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3374 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3375 3376 for (i = 0; i < wowlan->n_patterns; i++) { 3377 memset(byte_seq, 0, sizeof(byte_seq)); 3378 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3379 byte_seq, 3380 MWIFIEX_MEF_MAX_BYTESEQ)) { 3381 mwifiex_dbg(priv->adapter, ERROR, 3382 "Pattern not supported\n"); 3383 return -EOPNOTSUPP; 3384 } 3385 3386 if (!wowlan->patterns[i].pkt_offset) { 3387 if (is_unicast_ether_addr(byte_seq) && 3388 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3389 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3390 continue; 3391 } else if (is_broadcast_ether_addr(byte_seq)) { 3392 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3393 continue; 3394 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3395 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3396 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3397 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3398 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3399 continue; 3400 } 3401 } 3402 mef_entry->filter[filt_num].repeat = 1; 3403 mef_entry->filter[filt_num].offset = 3404 wowlan->patterns[i].pkt_offset; 3405 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3406 sizeof(byte_seq)); 3407 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3408 3409 if (first_pat) { 3410 first_pat = false; 3411 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3412 } else { 3413 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3414 } 3415 3416 filt_num++; 3417 } 3418 3419 if (wowlan->magic_pkt) { 3420 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3421 mef_entry->filter[filt_num].repeat = 16; 3422 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3423 ETH_ALEN); 3424 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3425 ETH_ALEN; 3426 mef_entry->filter[filt_num].offset = 28; 3427 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3428 if (filt_num) 3429 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3430 3431 filt_num++; 3432 mef_entry->filter[filt_num].repeat = 16; 3433 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3434 ETH_ALEN); 3435 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3436 ETH_ALEN; 3437 mef_entry->filter[filt_num].offset = 56; 3438 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3439 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3440 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3441 } 3442 return ret; 3443 } 3444 3445 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3446 struct cfg80211_wowlan *wowlan) 3447 { 3448 int ret = 0, num_entries = 1; 3449 struct mwifiex_ds_mef_cfg mef_cfg; 3450 struct mwifiex_mef_entry *mef_entry; 3451 3452 if (wowlan->n_patterns || wowlan->magic_pkt) 3453 num_entries++; 3454 3455 mef_entry = kzalloc_objs(*mef_entry, num_entries); 3456 if (!mef_entry) 3457 return -ENOMEM; 3458 3459 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3460 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3461 MWIFIEX_CRITERIA_UNICAST; 3462 mef_cfg.num_entries = num_entries; 3463 mef_cfg.mef_entry = mef_entry; 3464 3465 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3466 3467 if (wowlan->n_patterns || wowlan->magic_pkt) { 3468 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3469 &mef_entry[1], wowlan); 3470 if (ret) 3471 goto err; 3472 } 3473 3474 if (!mef_cfg.criteria) 3475 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3476 MWIFIEX_CRITERIA_UNICAST | 3477 MWIFIEX_CRITERIA_MULTICAST; 3478 3479 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3480 HostCmd_ACT_GEN_SET, 0, 3481 &mef_cfg, true); 3482 3483 err: 3484 kfree(mef_entry); 3485 return ret; 3486 } 3487 3488 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3489 struct cfg80211_wowlan *wowlan) 3490 { 3491 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3492 struct mwifiex_ds_hs_cfg hs_cfg; 3493 int i, ret = 0, retry_num = 10; 3494 struct mwifiex_private *priv; 3495 struct mwifiex_private *sta_priv = 3496 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3497 3498 sta_priv->scan_aborting = true; 3499 for (i = 0; i < adapter->priv_num; i++) { 3500 priv = adapter->priv[i]; 3501 mwifiex_abort_cac(priv); 3502 } 3503 3504 mwifiex_cancel_all_pending_cmd(adapter); 3505 3506 for (i = 0; i < adapter->priv_num; i++) { 3507 priv = adapter->priv[i]; 3508 if (priv->netdev) 3509 netif_device_detach(priv->netdev); 3510 } 3511 3512 for (i = 0; i < retry_num; i++) { 3513 if (!mwifiex_wmm_lists_empty(adapter) || 3514 !mwifiex_bypass_txlist_empty(adapter) || 3515 !skb_queue_empty(&adapter->tx_data_q)) 3516 usleep_range(10000, 15000); 3517 else 3518 break; 3519 } 3520 3521 if (!wowlan) { 3522 mwifiex_dbg(adapter, INFO, 3523 "None of the WOWLAN triggers enabled\n"); 3524 ret = 0; 3525 goto done; 3526 } 3527 3528 if (!sta_priv->media_connected && !wowlan->nd_config) { 3529 mwifiex_dbg(adapter, ERROR, 3530 "Can not configure WOWLAN in disconnected state\n"); 3531 ret = 0; 3532 goto done; 3533 } 3534 3535 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3536 if (ret) { 3537 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3538 goto done; 3539 } 3540 3541 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3542 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3543 3544 if (wowlan->nd_config) { 3545 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3546 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3547 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3548 wowlan->nd_config); 3549 } 3550 3551 if (wowlan->disconnect) { 3552 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3553 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3554 } 3555 3556 hs_cfg.is_invoke_hostcmd = false; 3557 hs_cfg.gpio = adapter->hs_cfg.gpio; 3558 hs_cfg.gap = adapter->hs_cfg.gap; 3559 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3560 MWIFIEX_SYNC_CMD, &hs_cfg); 3561 if (ret) 3562 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3563 3564 done: 3565 sta_priv->scan_aborting = false; 3566 return ret; 3567 } 3568 3569 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3570 { 3571 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3572 struct mwifiex_private *priv; 3573 struct mwifiex_ds_wakeup_reason wakeup_reason; 3574 struct cfg80211_wowlan_wakeup wakeup_report; 3575 int i; 3576 bool report_wakeup_reason = true; 3577 3578 for (i = 0; i < adapter->priv_num; i++) { 3579 priv = adapter->priv[i]; 3580 if (priv->netdev) 3581 netif_device_attach(priv->netdev); 3582 } 3583 3584 if (!wiphy->wowlan_config) 3585 goto done; 3586 3587 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3588 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3589 &wakeup_reason); 3590 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3591 3592 wakeup_report.pattern_idx = -1; 3593 3594 switch (wakeup_reason.hs_wakeup_reason) { 3595 case NO_HSWAKEUP_REASON: 3596 break; 3597 case BCAST_DATA_MATCHED: 3598 break; 3599 case MCAST_DATA_MATCHED: 3600 break; 3601 case UCAST_DATA_MATCHED: 3602 break; 3603 case MASKTABLE_EVENT_MATCHED: 3604 break; 3605 case NON_MASKABLE_EVENT_MATCHED: 3606 if (wiphy->wowlan_config->disconnect) 3607 wakeup_report.disconnect = true; 3608 if (wiphy->wowlan_config->nd_config) 3609 wakeup_report.net_detect = adapter->nd_info; 3610 break; 3611 case NON_MASKABLE_CONDITION_MATCHED: 3612 break; 3613 case MAGIC_PATTERN_MATCHED: 3614 if (wiphy->wowlan_config->magic_pkt) 3615 wakeup_report.magic_pkt = true; 3616 if (wiphy->wowlan_config->n_patterns) 3617 wakeup_report.pattern_idx = 1; 3618 break; 3619 case GTK_REKEY_FAILURE: 3620 if (wiphy->wowlan_config->gtk_rekey_failure) 3621 wakeup_report.gtk_rekey_failure = true; 3622 break; 3623 default: 3624 report_wakeup_reason = false; 3625 break; 3626 } 3627 3628 if (report_wakeup_reason) 3629 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3630 GFP_KERNEL); 3631 3632 done: 3633 if (adapter->nd_info) { 3634 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3635 kfree(adapter->nd_info->matches[i]); 3636 kfree(adapter->nd_info); 3637 adapter->nd_info = NULL; 3638 } 3639 3640 return 0; 3641 } 3642 3643 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3644 bool enabled) 3645 { 3646 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3647 3648 device_set_wakeup_enable(adapter->dev, enabled); 3649 } 3650 3651 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3652 struct cfg80211_gtk_rekey_data *data) 3653 { 3654 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3655 3656 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 3657 return -EOPNOTSUPP; 3658 3659 if (priv->adapter->host_mlme_enabled) 3660 return 0; 3661 3662 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3663 HostCmd_ACT_GEN_SET, 0, data, true); 3664 } 3665 3666 #endif 3667 3668 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3669 { 3670 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3671 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3672 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3673 3674 if ((byte_seq[0] & 0x01) && 3675 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3676 return PACKET_TYPE_UNICAST; 3677 else if (!memcmp(byte_seq, bc_mac, 4)) 3678 return PACKET_TYPE_BROADCAST; 3679 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3680 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3681 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3682 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3683 return PACKET_TYPE_MULTICAST; 3684 3685 return 0; 3686 } 3687 3688 static int 3689 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3690 struct cfg80211_coalesce_rules *crule, 3691 struct mwifiex_coalesce_rule *mrule) 3692 { 3693 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3694 struct filt_field_param *param; 3695 int i; 3696 3697 mrule->max_coalescing_delay = crule->delay; 3698 3699 param = mrule->params; 3700 3701 for (i = 0; i < crule->n_patterns; i++) { 3702 memset(byte_seq, 0, sizeof(byte_seq)); 3703 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3704 byte_seq, 3705 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3706 mwifiex_dbg(priv->adapter, ERROR, 3707 "Pattern not supported\n"); 3708 return -EOPNOTSUPP; 3709 } 3710 3711 if (!crule->patterns[i].pkt_offset) { 3712 u8 pkt_type; 3713 3714 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3715 if (pkt_type && mrule->pkt_type) { 3716 mwifiex_dbg(priv->adapter, ERROR, 3717 "Multiple packet types not allowed\n"); 3718 return -EOPNOTSUPP; 3719 } else if (pkt_type) { 3720 mrule->pkt_type = pkt_type; 3721 continue; 3722 } 3723 } 3724 3725 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3726 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3727 else 3728 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3729 3730 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3731 memcpy(param->operand_byte_stream, byte_seq, 3732 param->operand_len); 3733 param->offset = crule->patterns[i].pkt_offset; 3734 param++; 3735 3736 mrule->num_of_fields++; 3737 } 3738 3739 if (!mrule->pkt_type) { 3740 mwifiex_dbg(priv->adapter, ERROR, 3741 "Packet type can not be determined\n"); 3742 return -EOPNOTSUPP; 3743 } 3744 3745 return 0; 3746 } 3747 3748 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3749 struct cfg80211_coalesce *coalesce) 3750 { 3751 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3752 int i, ret; 3753 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3754 struct mwifiex_private *priv = 3755 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3756 3757 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3758 if (!coalesce) { 3759 mwifiex_dbg(adapter, WARN, 3760 "Disable coalesce and reset all previous rules\n"); 3761 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3762 HostCmd_ACT_GEN_SET, 0, 3763 &coalesce_cfg, true); 3764 } 3765 3766 coalesce_cfg.num_of_rules = coalesce->n_rules; 3767 for (i = 0; i < coalesce->n_rules; i++) { 3768 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3769 &coalesce_cfg.rule[i]); 3770 if (ret) { 3771 mwifiex_dbg(adapter, ERROR, 3772 "Recheck the patterns provided for rule %d\n", 3773 i + 1); 3774 return ret; 3775 } 3776 } 3777 3778 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3779 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3780 } 3781 3782 /* cfg80211 ops handler for tdls_mgmt. 3783 * Function prepares TDLS action frame packets and forwards them to FW 3784 */ 3785 static int 3786 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3787 const u8 *peer, int link_id, u8 action_code, 3788 u8 dialog_token, u16 status_code, 3789 u32 peer_capability, bool initiator, 3790 const u8 *extra_ies, size_t extra_ies_len) 3791 { 3792 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3793 int ret; 3794 3795 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3796 return -EOPNOTSUPP; 3797 3798 /* make sure we are in station mode and connected */ 3799 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3800 return -EOPNOTSUPP; 3801 3802 switch (action_code) { 3803 case WLAN_TDLS_SETUP_REQUEST: 3804 mwifiex_dbg(priv->adapter, MSG, 3805 "Send TDLS Setup Request to %pM status_code=%d\n", 3806 peer, status_code); 3807 mwifiex_add_auto_tdls_peer(priv, peer); 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_RESPONSE: 3813 mwifiex_add_auto_tdls_peer(priv, peer); 3814 mwifiex_dbg(priv->adapter, MSG, 3815 "Send TDLS Setup Response to %pM status_code=%d\n", 3816 peer, status_code); 3817 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3818 dialog_token, status_code, 3819 extra_ies, extra_ies_len); 3820 break; 3821 case WLAN_TDLS_SETUP_CONFIRM: 3822 mwifiex_dbg(priv->adapter, MSG, 3823 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3824 status_code); 3825 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3826 dialog_token, status_code, 3827 extra_ies, extra_ies_len); 3828 break; 3829 case WLAN_TDLS_TEARDOWN: 3830 mwifiex_dbg(priv->adapter, MSG, 3831 "Send TDLS Tear down to %pM\n", peer); 3832 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3833 dialog_token, status_code, 3834 extra_ies, extra_ies_len); 3835 break; 3836 case WLAN_TDLS_DISCOVERY_REQUEST: 3837 mwifiex_dbg(priv->adapter, MSG, 3838 "Send TDLS Discovery Request to %pM\n", peer); 3839 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3840 dialog_token, status_code, 3841 extra_ies, extra_ies_len); 3842 break; 3843 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3844 mwifiex_dbg(priv->adapter, MSG, 3845 "Send TDLS Discovery Response to %pM\n", peer); 3846 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3847 dialog_token, status_code, 3848 extra_ies, extra_ies_len); 3849 break; 3850 default: 3851 mwifiex_dbg(priv->adapter, ERROR, 3852 "Unknown TDLS mgmt/action frame %pM\n", peer); 3853 ret = -EINVAL; 3854 break; 3855 } 3856 3857 return ret; 3858 } 3859 3860 static int 3861 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3862 const u8 *peer, enum nl80211_tdls_operation action) 3863 { 3864 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3865 3866 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3867 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3868 return -EOPNOTSUPP; 3869 3870 /* make sure we are in station mode and connected */ 3871 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3872 return -EOPNOTSUPP; 3873 3874 mwifiex_dbg(priv->adapter, MSG, 3875 "TDLS peer=%pM, oper=%d\n", peer, action); 3876 3877 switch (action) { 3878 case NL80211_TDLS_ENABLE_LINK: 3879 action = MWIFIEX_TDLS_ENABLE_LINK; 3880 break; 3881 case NL80211_TDLS_DISABLE_LINK: 3882 action = MWIFIEX_TDLS_DISABLE_LINK; 3883 break; 3884 case NL80211_TDLS_TEARDOWN: 3885 /* shouldn't happen!*/ 3886 mwifiex_dbg(priv->adapter, ERROR, 3887 "tdls_oper: teardown from driver not supported\n"); 3888 return -EINVAL; 3889 case NL80211_TDLS_SETUP: 3890 /* shouldn't happen!*/ 3891 mwifiex_dbg(priv->adapter, ERROR, 3892 "tdls_oper: setup from driver not supported\n"); 3893 return -EINVAL; 3894 case NL80211_TDLS_DISCOVERY_REQ: 3895 /* shouldn't happen!*/ 3896 mwifiex_dbg(priv->adapter, ERROR, 3897 "tdls_oper: discovery from driver not supported\n"); 3898 return -EINVAL; 3899 default: 3900 mwifiex_dbg(priv->adapter, ERROR, 3901 "tdls_oper: operation not supported\n"); 3902 return -EOPNOTSUPP; 3903 } 3904 3905 return mwifiex_tdls_oper(priv, peer, action); 3906 } 3907 3908 static int 3909 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3910 const u8 *addr, u8 oper_class, 3911 struct cfg80211_chan_def *chandef) 3912 { 3913 struct mwifiex_sta_node *sta_ptr; 3914 u16 chan; 3915 u8 second_chan_offset, band; 3916 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3917 3918 spin_lock_bh(&priv->sta_list_spinlock); 3919 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3920 if (!sta_ptr) { 3921 spin_unlock_bh(&priv->sta_list_spinlock); 3922 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3923 __func__, addr); 3924 return -ENOENT; 3925 } 3926 3927 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3928 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3929 spin_unlock_bh(&priv->sta_list_spinlock); 3930 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3931 return -ENOENT; 3932 } 3933 3934 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3935 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3936 spin_unlock_bh(&priv->sta_list_spinlock); 3937 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3938 return -EALREADY; 3939 } 3940 spin_unlock_bh(&priv->sta_list_spinlock); 3941 3942 chan = chandef->chan->hw_value; 3943 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3944 band = chandef->chan->band; 3945 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3946 3947 return 0; 3948 } 3949 3950 static void 3951 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3952 struct net_device *dev, 3953 const u8 *addr) 3954 { 3955 struct mwifiex_sta_node *sta_ptr; 3956 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3957 3958 spin_lock_bh(&priv->sta_list_spinlock); 3959 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3960 if (!sta_ptr) { 3961 spin_unlock_bh(&priv->sta_list_spinlock); 3962 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3963 __func__, addr); 3964 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3965 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3966 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3967 spin_unlock_bh(&priv->sta_list_spinlock); 3968 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3969 addr); 3970 } else { 3971 spin_unlock_bh(&priv->sta_list_spinlock); 3972 mwifiex_stop_tdls_cs(priv, addr); 3973 } 3974 } 3975 3976 static int 3977 mwifiex_cfg80211_uap_add_station(struct mwifiex_private *priv, const u8 *mac, 3978 struct station_parameters *params) 3979 { 3980 struct mwifiex_sta_info add_sta; 3981 int ret; 3982 3983 memcpy(add_sta.peer_mac, mac, ETH_ALEN); 3984 add_sta.params = params; 3985 3986 ret = mwifiex_send_cmd(priv, HostCmd_CMD_ADD_NEW_STATION, 3987 HostCmd_ACT_ADD_STA, 0, (void *)&add_sta, true); 3988 3989 if (!ret) { 3990 struct station_info *sinfo; 3991 3992 sinfo = kzalloc_obj(*sinfo); 3993 if (!sinfo) 3994 return -ENOMEM; 3995 3996 cfg80211_new_sta(priv->netdev->ieee80211_ptr, mac, sinfo, 3997 GFP_KERNEL); 3998 kfree(sinfo); 3999 } 4000 4001 return ret; 4002 } 4003 4004 static int 4005 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct wireless_dev *wdev, 4006 const u8 *mac, struct station_parameters *params) 4007 { 4008 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4009 4010 if (priv->adapter->host_mlme_enabled && 4011 (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)) 4012 return mwifiex_cfg80211_uap_add_station(priv, mac, params); 4013 4014 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4015 return -EOPNOTSUPP; 4016 4017 /* make sure we are in station mode and connected */ 4018 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4019 return -EOPNOTSUPP; 4020 4021 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 4022 } 4023 4024 static int 4025 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4026 struct cfg80211_csa_settings *params) 4027 { 4028 struct ieee_types_header *chsw_ie; 4029 struct ieee80211_channel_sw_ie *channel_sw; 4030 int chsw_msec; 4031 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4032 4033 if (priv->adapter->scan_processing) { 4034 mwifiex_dbg(priv->adapter, ERROR, 4035 "radar detection: scan in process...\n"); 4036 return -EBUSY; 4037 } 4038 4039 if (priv->wdev.links[0].cac_started) 4040 return -EBUSY; 4041 4042 if (cfg80211_chandef_identical(¶ms->chandef, 4043 &priv->dfs_chandef)) 4044 return -EINVAL; 4045 4046 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 4047 params->beacon_csa.tail, 4048 params->beacon_csa.tail_len); 4049 if (!chsw_ie) { 4050 mwifiex_dbg(priv->adapter, ERROR, 4051 "Could not parse channel switch announcement IE\n"); 4052 return -EINVAL; 4053 } 4054 4055 channel_sw = (void *)(chsw_ie + 1); 4056 if (channel_sw->mode) { 4057 if (netif_carrier_ok(priv->netdev)) 4058 netif_carrier_off(priv->netdev); 4059 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 4060 } 4061 4062 if (mwifiex_del_mgmt_ies(priv)) 4063 mwifiex_dbg(priv->adapter, ERROR, 4064 "Failed to delete mgmt IEs!\n"); 4065 4066 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 4067 mwifiex_dbg(priv->adapter, ERROR, 4068 "%s: setting mgmt ies failed\n", __func__); 4069 return -EFAULT; 4070 } 4071 4072 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 4073 memcpy(&priv->beacon_after, ¶ms->beacon_after, 4074 sizeof(priv->beacon_after)); 4075 4076 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 4077 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 4078 msecs_to_jiffies(chsw_msec)); 4079 return 0; 4080 } 4081 4082 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 4083 struct wireless_dev *wdev, 4084 unsigned int link_id, 4085 struct cfg80211_chan_def *chandef) 4086 { 4087 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4088 struct mwifiex_bssdescriptor *curr_bss; 4089 struct ieee80211_channel *chan; 4090 enum nl80211_channel_type chan_type; 4091 enum nl80211_band band; 4092 int freq; 4093 int ret = -ENODATA; 4094 4095 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 4096 cfg80211_chandef_valid(&priv->bss_chandef)) { 4097 *chandef = priv->bss_chandef; 4098 ret = 0; 4099 } else if (priv->media_connected) { 4100 curr_bss = &priv->curr_bss_params.bss_descriptor; 4101 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 4102 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 4103 chan = ieee80211_get_channel(wiphy, freq); 4104 4105 if (priv->ht_param_present) { 4106 chan_type = mwifiex_get_chan_type(priv); 4107 cfg80211_chandef_create(chandef, chan, chan_type); 4108 } else { 4109 cfg80211_chandef_create(chandef, chan, 4110 NL80211_CHAN_NO_HT); 4111 } 4112 ret = 0; 4113 } 4114 4115 return ret; 4116 } 4117 4118 #ifdef CONFIG_NL80211_TESTMODE 4119 4120 enum mwifiex_tm_attr { 4121 __MWIFIEX_TM_ATTR_INVALID = 0, 4122 MWIFIEX_TM_ATTR_CMD = 1, 4123 MWIFIEX_TM_ATTR_DATA = 2, 4124 4125 /* keep last */ 4126 __MWIFIEX_TM_ATTR_AFTER_LAST, 4127 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 4128 }; 4129 4130 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 4131 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 4132 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 4133 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 4134 }; 4135 4136 enum mwifiex_tm_command { 4137 MWIFIEX_TM_CMD_HOSTCMD = 0, 4138 }; 4139 4140 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 4141 void *data, int len) 4142 { 4143 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4144 struct mwifiex_ds_misc_cmd *hostcmd; 4145 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 4146 struct sk_buff *skb; 4147 int err; 4148 4149 if (!priv) 4150 return -EINVAL; 4151 4152 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len, 4153 mwifiex_tm_policy, NULL); 4154 if (err) 4155 return err; 4156 4157 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4158 return -EINVAL; 4159 4160 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4161 case MWIFIEX_TM_CMD_HOSTCMD: 4162 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4163 return -EINVAL; 4164 4165 hostcmd = kzalloc_obj(*hostcmd); 4166 if (!hostcmd) 4167 return -ENOMEM; 4168 4169 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4170 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4171 hostcmd->len); 4172 4173 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4174 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4175 kfree(hostcmd); 4176 return -EFAULT; 4177 } 4178 4179 /* process hostcmd response*/ 4180 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4181 if (!skb) { 4182 kfree(hostcmd); 4183 return -ENOMEM; 4184 } 4185 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4186 hostcmd->len, hostcmd->cmd); 4187 if (err) { 4188 kfree(hostcmd); 4189 kfree_skb(skb); 4190 return -EMSGSIZE; 4191 } 4192 4193 err = cfg80211_testmode_reply(skb); 4194 kfree(hostcmd); 4195 return err; 4196 default: 4197 return -EOPNOTSUPP; 4198 } 4199 } 4200 #endif 4201 4202 static int 4203 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4204 struct net_device *dev, 4205 struct cfg80211_chan_def *chandef, 4206 u32 cac_time_ms, int link_id) 4207 { 4208 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4209 struct mwifiex_radar_params radar_params; 4210 4211 if (priv->adapter->scan_processing) { 4212 mwifiex_dbg(priv->adapter, ERROR, 4213 "radar detection: scan already in process...\n"); 4214 return -EBUSY; 4215 } 4216 4217 if (!mwifiex_is_11h_active(priv)) { 4218 mwifiex_dbg(priv->adapter, INFO, 4219 "Enable 11h extensions in FW\n"); 4220 if (mwifiex_11h_activate(priv, true)) { 4221 mwifiex_dbg(priv->adapter, ERROR, 4222 "Failed to activate 11h extensions!!"); 4223 return -1; 4224 } 4225 priv->state_11h.is_11h_active = true; 4226 } 4227 4228 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4229 radar_params.chandef = chandef; 4230 radar_params.cac_time_ms = cac_time_ms; 4231 4232 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4233 4234 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4235 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4236 return -1; 4237 4238 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4239 msecs_to_jiffies(cac_time_ms)); 4240 return 0; 4241 } 4242 4243 static int 4244 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct wireless_dev *wdev, 4245 const u8 *mac, 4246 struct station_parameters *params) 4247 { 4248 int ret; 4249 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4250 4251 if (priv->adapter->host_mlme_enabled && 4252 (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)) 4253 return 0; 4254 4255 /* we support change_station handler only for TDLS peers*/ 4256 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4257 return -EOPNOTSUPP; 4258 4259 /* make sure we are in station mode and connected */ 4260 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4261 return -EOPNOTSUPP; 4262 4263 priv->sta_params = params; 4264 4265 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4266 priv->sta_params = NULL; 4267 4268 return ret; 4269 } 4270 4271 static int 4272 mwifiex_cfg80211_authenticate(struct wiphy *wiphy, 4273 struct net_device *dev, 4274 struct cfg80211_auth_request *req) 4275 { 4276 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4277 struct mwifiex_adapter *adapter = priv->adapter; 4278 struct sk_buff *skb; 4279 u16 pkt_len, auth_alg; 4280 size_t frame_len; 4281 int ret; 4282 struct mwifiex_ieee80211_mgmt *mgmt; 4283 struct mwifiex_txinfo *tx_info; 4284 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 4285 u8 trans = 1, status_code = 0; 4286 u8 *varptr = NULL; 4287 4288 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 4289 mwifiex_dbg(priv->adapter, ERROR, "Interface role is AP\n"); 4290 return -EFAULT; 4291 } 4292 4293 if (priv->wdev.iftype != NL80211_IFTYPE_STATION) { 4294 mwifiex_dbg(priv->adapter, ERROR, 4295 "Interface type is not correct (type %d)\n", 4296 priv->wdev.iftype); 4297 return -EINVAL; 4298 } 4299 4300 if (priv->auth_alg != WLAN_AUTH_SAE && 4301 (priv->auth_flag & HOST_MLME_AUTH_PENDING)) { 4302 mwifiex_dbg(priv->adapter, ERROR, "Pending auth on going\n"); 4303 return -EBUSY; 4304 } 4305 4306 if (!priv->host_mlme_reg) { 4307 priv->host_mlme_reg = true; 4308 priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; 4309 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 4310 HostCmd_ACT_GEN_SET, 0, 4311 &priv->mgmt_frame_mask, false); 4312 } 4313 4314 switch (req->auth_type) { 4315 case NL80211_AUTHTYPE_OPEN_SYSTEM: 4316 auth_alg = WLAN_AUTH_OPEN; 4317 break; 4318 case NL80211_AUTHTYPE_SHARED_KEY: 4319 auth_alg = WLAN_AUTH_SHARED_KEY; 4320 break; 4321 case NL80211_AUTHTYPE_FT: 4322 auth_alg = WLAN_AUTH_FT; 4323 break; 4324 case NL80211_AUTHTYPE_NETWORK_EAP: 4325 auth_alg = WLAN_AUTH_LEAP; 4326 break; 4327 case NL80211_AUTHTYPE_SAE: 4328 auth_alg = WLAN_AUTH_SAE; 4329 break; 4330 default: 4331 mwifiex_dbg(priv->adapter, ERROR, 4332 "unsupported auth type=%d\n", req->auth_type); 4333 return -EOPNOTSUPP; 4334 } 4335 4336 if (!(priv->auth_flag & HOST_MLME_AUTH_PENDING)) { 4337 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, 4338 req->bss->channel, 4339 AUTH_TX_DEFAULT_WAIT_TIME); 4340 4341 if (!ret) { 4342 priv->roc_cfg.cookie = get_random_u32() | 1; 4343 priv->roc_cfg.chan = *req->bss->channel; 4344 } else { 4345 return -EFAULT; 4346 } 4347 } 4348 4349 priv->sec_info.authentication_mode = auth_alg; 4350 4351 mwifiex_cancel_scan(adapter); 4352 4353 frame_len = req->ie_len + req->auth_data_len + 4354 MWIFIEX_MGMT_HEADER_LEN + MWIFIEX_AUTH_BODY_LEN; 4355 if (req->auth_data_len >= 4) 4356 frame_len -= 4; 4357 4358 if (frame_len > U16_MAX) { 4359 mwifiex_dbg(priv->adapter, ERROR, 4360 "auth frame too long: %zu bytes\n", frame_len); 4361 return -EINVAL; 4362 } 4363 pkt_len = frame_len; 4364 4365 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 4366 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 4367 pkt_len + sizeof(pkt_len)); 4368 if (!skb) { 4369 mwifiex_dbg(priv->adapter, ERROR, 4370 "allocate skb failed for management frame\n"); 4371 return -ENOMEM; 4372 } 4373 4374 tx_info = MWIFIEX_SKB_TXCB(skb); 4375 memset(tx_info, 0, sizeof(*tx_info)); 4376 tx_info->bss_num = priv->bss_num; 4377 tx_info->bss_type = priv->bss_type; 4378 tx_info->pkt_len = pkt_len; 4379 4380 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 4381 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 4382 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 4383 memcpy(skb_push(skb, sizeof(tx_control)), 4384 &tx_control, sizeof(tx_control)); 4385 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 4386 4387 mgmt = (struct mwifiex_ieee80211_mgmt *)skb_put(skb, pkt_len); 4388 memset(mgmt, 0, pkt_len); 4389 mgmt->frame_control = 4390 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 4391 memcpy(mgmt->da, req->bss->bssid, ETH_ALEN); 4392 memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN); 4393 memcpy(mgmt->bssid, req->bss->bssid, ETH_ALEN); 4394 eth_broadcast_addr(mgmt->addr4); 4395 4396 if (req->auth_data_len >= 4) { 4397 if (req->auth_type == NL80211_AUTHTYPE_SAE) { 4398 __le16 *pos = (__le16 *)req->auth_data; 4399 4400 trans = le16_to_cpu(pos[0]); 4401 status_code = le16_to_cpu(pos[1]); 4402 } 4403 memcpy((u8 *)(&mgmt->auth.variable), req->auth_data + 4, 4404 req->auth_data_len - 4); 4405 varptr = (u8 *)&mgmt->auth.variable + 4406 (req->auth_data_len - 4); 4407 } 4408 4409 mgmt->auth.auth_alg = cpu_to_le16(auth_alg); 4410 mgmt->auth.auth_transaction = cpu_to_le16(trans); 4411 mgmt->auth.status_code = cpu_to_le16(status_code); 4412 4413 if (req->ie && req->ie_len) { 4414 if (!varptr) 4415 varptr = (u8 *)&mgmt->auth.variable; 4416 memcpy((u8 *)varptr, req->ie, req->ie_len); 4417 } 4418 4419 priv->auth_flag = HOST_MLME_AUTH_PENDING; 4420 priv->auth_alg = auth_alg; 4421 4422 skb->priority = WMM_HIGHEST_PRIORITY; 4423 __net_timestamp(skb); 4424 4425 mwifiex_dbg(priv->adapter, MSG, 4426 "auth: send authentication to %pM\n", req->bss->bssid); 4427 4428 mwifiex_queue_tx_pkt(priv, skb); 4429 4430 return 0; 4431 } 4432 4433 static int 4434 mwifiex_cfg80211_associate(struct wiphy *wiphy, struct net_device *dev, 4435 struct cfg80211_assoc_request *req) 4436 { 4437 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4438 struct mwifiex_adapter *adapter = priv->adapter; 4439 int ret; 4440 struct cfg80211_ssid req_ssid; 4441 const u8 *ssid_ie; 4442 4443 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 4444 mwifiex_dbg(adapter, ERROR, 4445 "%s: reject infra assoc request in non-STA role\n", 4446 dev->name); 4447 return -EINVAL; 4448 } 4449 4450 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) || 4451 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { 4452 mwifiex_dbg(adapter, ERROR, 4453 "%s: Ignore association.\t" 4454 "Card removed or FW in bad state\n", 4455 dev->name); 4456 return -EFAULT; 4457 } 4458 4459 if (priv->auth_alg == WLAN_AUTH_SAE) 4460 priv->auth_flag = HOST_MLME_AUTH_DONE; 4461 4462 if (priv->auth_flag && !(priv->auth_flag & HOST_MLME_AUTH_DONE)) 4463 return -EBUSY; 4464 4465 if (priv->roc_cfg.cookie) { 4466 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 4467 &priv->roc_cfg.chan, 0); 4468 if (!ret) 4469 memset(&priv->roc_cfg, 0, 4470 sizeof(struct mwifiex_roc_cfg)); 4471 else 4472 return -EFAULT; 4473 } 4474 4475 if (!mwifiex_stop_bg_scan(priv)) 4476 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); 4477 4478 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 4479 rcu_read_lock(); 4480 ssid_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID); 4481 4482 if (!ssid_ie) 4483 goto ssid_err; 4484 4485 req_ssid.ssid_len = ssid_ie[1]; 4486 if (req_ssid.ssid_len > IEEE80211_MAX_SSID_LEN) { 4487 mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n"); 4488 goto ssid_err; 4489 } 4490 4491 memcpy(req_ssid.ssid, ssid_ie + 2, req_ssid.ssid_len); 4492 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 4493 mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n"); 4494 goto ssid_err; 4495 } 4496 rcu_read_unlock(); 4497 4498 /* As this is new association, clear locally stored 4499 * keys and security related flags 4500 */ 4501 priv->sec_info.wpa_enabled = false; 4502 priv->sec_info.wpa2_enabled = false; 4503 priv->wep_key_curr_index = 0; 4504 priv->sec_info.encryption_mode = 0; 4505 priv->sec_info.is_authtype_auto = 0; 4506 if (mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1)) { 4507 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 4508 return -EFAULT; 4509 } 4510 4511 if (req->crypto.n_ciphers_pairwise) 4512 priv->sec_info.encryption_mode = 4513 req->crypto.ciphers_pairwise[0]; 4514 4515 if (req->crypto.cipher_group) 4516 priv->sec_info.encryption_mode = req->crypto.cipher_group; 4517 4518 if (req->ie) 4519 mwifiex_set_gen_ie(priv, req->ie, req->ie_len); 4520 4521 memcpy(priv->cfg_bssid, req->bss->bssid, ETH_ALEN); 4522 4523 mwifiex_dbg(adapter, MSG, 4524 "assoc: send association to %pM\n", req->bss->bssid); 4525 4526 cfg80211_ref_bss(adapter->wiphy, req->bss); 4527 ret = mwifiex_bss_start(priv, req->bss, &req_ssid); 4528 if (ret) { 4529 priv->auth_flag = 0; 4530 priv->auth_alg = WLAN_AUTH_NONE; 4531 eth_zero_addr(priv->cfg_bssid); 4532 } 4533 4534 if (priv->assoc_rsp_size) { 4535 priv->req_bss = req->bss; 4536 adapter->assoc_resp_received = true; 4537 queue_work(adapter->host_mlme_workqueue, 4538 &adapter->host_mlme_work); 4539 } 4540 4541 cfg80211_put_bss(priv->adapter->wiphy, req->bss); 4542 4543 return 0; 4544 4545 ssid_err: 4546 rcu_read_unlock(); 4547 return -EFAULT; 4548 } 4549 4550 static int 4551 mwifiex_cfg80211_deauthenticate(struct wiphy *wiphy, 4552 struct net_device *dev, 4553 struct cfg80211_deauth_request *req) 4554 { 4555 return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code); 4556 } 4557 4558 static int 4559 mwifiex_cfg80211_disassociate(struct wiphy *wiphy, 4560 struct net_device *dev, 4561 struct cfg80211_disassoc_request *req) 4562 { 4563 return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code); 4564 } 4565 4566 static int 4567 mwifiex_cfg80211_probe_peer(struct wiphy *wiphy, 4568 struct net_device *dev, const u8 *peer, 4569 u64 cookie) 4570 { 4571 /* hostapd looks for NL80211_CMD_PROBE_CLIENT support; otherwise, 4572 * it requires monitor-mode support (which mwifiex doesn't support). 4573 * Provide fake probe_client support to work around this. 4574 */ 4575 return -EOPNOTSUPP; 4576 } 4577 4578 /* station cfg80211 operations */ 4579 static const struct cfg80211_ops mwifiex_cfg80211_ops = { 4580 .add_virtual_intf = mwifiex_add_virtual_intf, 4581 .del_virtual_intf = mwifiex_del_virtual_intf, 4582 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4583 .scan = mwifiex_cfg80211_scan, 4584 .connect = mwifiex_cfg80211_connect, 4585 .disconnect = mwifiex_cfg80211_disconnect, 4586 .get_station = mwifiex_cfg80211_get_station, 4587 .dump_station = mwifiex_cfg80211_dump_station, 4588 .dump_survey = mwifiex_cfg80211_dump_survey, 4589 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4590 .join_ibss = mwifiex_cfg80211_join_ibss, 4591 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4592 .add_key = mwifiex_cfg80211_add_key, 4593 .del_key = mwifiex_cfg80211_del_key, 4594 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4595 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4596 .update_mgmt_frame_registrations = 4597 mwifiex_cfg80211_update_mgmt_frame_registrations, 4598 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4599 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4600 .set_default_key = mwifiex_cfg80211_set_default_key, 4601 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4602 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4603 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4604 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4605 .start_ap = mwifiex_cfg80211_start_ap, 4606 .stop_ap = mwifiex_cfg80211_stop_ap, 4607 .change_beacon = mwifiex_cfg80211_change_beacon, 4608 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4609 .set_antenna = mwifiex_cfg80211_set_antenna, 4610 .get_antenna = mwifiex_cfg80211_get_antenna, 4611 .del_station = mwifiex_cfg80211_del_station, 4612 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4613 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4614 #ifdef CONFIG_PM 4615 .suspend = mwifiex_cfg80211_suspend, 4616 .resume = mwifiex_cfg80211_resume, 4617 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4618 .set_rekey_data = mwifiex_set_rekey_data, 4619 #endif 4620 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4621 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4622 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4623 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4624 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4625 .add_station = mwifiex_cfg80211_add_station, 4626 .change_station = mwifiex_cfg80211_change_station, 4627 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4628 .get_channel = mwifiex_cfg80211_get_channel, 4629 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4630 .channel_switch = mwifiex_cfg80211_channel_switch, 4631 }; 4632 4633 #ifdef CONFIG_PM 4634 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4635 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4636 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4637 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4638 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4639 .pattern_min_len = 1, 4640 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4641 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4642 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4643 }; 4644 4645 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = { 4646 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4647 WIPHY_WOWLAN_NET_DETECT, 4648 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4649 .pattern_min_len = 1, 4650 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4651 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4652 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4653 }; 4654 #endif 4655 4656 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4657 { 4658 if (!alpha2 || strlen(alpha2) != 2) 4659 return false; 4660 4661 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4662 return true; 4663 4664 return false; 4665 } 4666 4667 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4668 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4669 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4670 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4671 .pattern_min_len = 1, 4672 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4673 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4674 }; 4675 4676 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4677 { 4678 u32 n_channels_bg, n_channels_a = 0; 4679 4680 n_channels_bg = mwifiex_band_2ghz.n_channels; 4681 4682 if (adapter->config_bands & BAND_A) 4683 n_channels_a = mwifiex_band_5ghz.n_channels; 4684 4685 /* allocate twice the number total channels, since the driver issues an 4686 * additional active scan request for hidden SSIDs on passive channels. 4687 */ 4688 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); 4689 adapter->chan_stats = kzalloc_objs(*adapter->chan_stats, 4690 adapter->num_in_chan_stats); 4691 4692 if (!adapter->chan_stats) 4693 return -ENOMEM; 4694 4695 return 0; 4696 } 4697 4698 /* 4699 * This function registers the device with CFG802.11 subsystem. 4700 * 4701 * The function creates the wireless device/wiphy, populates it with 4702 * default parameters and handler function pointers, and finally 4703 * registers the device. 4704 */ 4705 4706 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4707 { 4708 int ret; 4709 void *wdev_priv; 4710 struct wiphy *wiphy; 4711 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4712 const u8 *country_code; 4713 u32 thr, retry; 4714 struct cfg80211_ops *ops; 4715 4716 ops = devm_kmemdup(adapter->dev, &mwifiex_cfg80211_ops, 4717 sizeof(mwifiex_cfg80211_ops), GFP_KERNEL); 4718 if (!ops) 4719 return -ENOMEM; 4720 4721 /* create a new wiphy for use with cfg80211 */ 4722 wiphy = wiphy_new(ops, sizeof(struct mwifiex_adapter *)); 4723 if (!wiphy) { 4724 mwifiex_dbg(adapter, ERROR, 4725 "%s: creating new wiphy\n", __func__); 4726 return -ENOMEM; 4727 } 4728 if (adapter->host_mlme_enabled) { 4729 ops->auth = mwifiex_cfg80211_authenticate; 4730 ops->assoc = mwifiex_cfg80211_associate; 4731 ops->deauth = mwifiex_cfg80211_deauthenticate; 4732 ops->disassoc = mwifiex_cfg80211_disassociate; 4733 ops->disconnect = NULL; 4734 ops->connect = NULL; 4735 ops->probe_peer = mwifiex_cfg80211_probe_peer; 4736 } 4737 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4738 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4739 if (adapter->host_mlme_enabled) { 4740 memcpy(adapter->mwifiex_mgmt_stypes, 4741 mwifiex_mgmt_stypes, 4742 NUM_NL80211_IFTYPES * 4743 sizeof(struct ieee80211_txrx_stypes)); 4744 4745 adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].tx = 0xffff; 4746 adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].rx = 4747 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4748 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4749 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4750 BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4751 BIT(IEEE80211_STYPE_AUTH >> 4) | 4752 BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4753 BIT(IEEE80211_STYPE_ACTION >> 4); 4754 wiphy->mgmt_stypes = adapter->mwifiex_mgmt_stypes; 4755 } else { 4756 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4757 } 4758 wiphy->max_remain_on_channel_duration = 5000; 4759 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4760 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4761 BIT(NL80211_IFTYPE_P2P_GO) | 4762 BIT(NL80211_IFTYPE_AP); 4763 4764 wiphy->max_num_akm_suites = CFG80211_MAX_NUM_AKM_SUITES; 4765 4766 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) 4767 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); 4768 4769 wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev, 4770 &mwifiex_band_2ghz, 4771 sizeof(mwifiex_band_2ghz), 4772 GFP_KERNEL); 4773 if (!wiphy->bands[NL80211_BAND_2GHZ]) { 4774 ret = -ENOMEM; 4775 goto err; 4776 } 4777 4778 if (adapter->config_bands & BAND_A) { 4779 wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev, 4780 &mwifiex_band_5ghz, 4781 sizeof(mwifiex_band_5ghz), 4782 GFP_KERNEL); 4783 if (!wiphy->bands[NL80211_BAND_5GHZ]) { 4784 ret = -ENOMEM; 4785 goto err; 4786 } 4787 } else { 4788 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4789 } 4790 4791 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4792 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4793 else if (adapter->is_hw_11ac_capable) 4794 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4795 else 4796 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4797 wiphy->n_iface_combinations = 1; 4798 4799 wiphy->max_ap_assoc_sta = max_t(typeof(wiphy->max_ap_assoc_sta), 4800 adapter->max_sta_conn, 4801 adapter->max_p2p_conn); 4802 4803 /* Initialize cipher suits */ 4804 wiphy->cipher_suites = mwifiex_cipher_suites; 4805 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4806 4807 if (adapter->regd) { 4808 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4809 REGULATORY_DISABLE_BEACON_HINTS | 4810 REGULATORY_COUNTRY_IE_IGNORE; 4811 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4812 } 4813 4814 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4815 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4816 wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4817 WIPHY_FLAG_AP_UAPSD | 4818 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4819 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4820 WIPHY_FLAG_NETNS_OK | 4821 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4822 4823 if (adapter->host_mlme_enabled) 4824 wiphy->flags |= WIPHY_FLAG_REPORTS_OBSS; 4825 else 4826 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 4827 4828 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4829 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4830 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4831 4832 #ifdef CONFIG_PM 4833 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 4834 wiphy->wowlan = &mwifiex_wowlan_support; 4835 else 4836 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk; 4837 #endif 4838 4839 wiphy->coalesce = &mwifiex_coalesce_support; 4840 4841 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4842 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4843 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4844 4845 wiphy->max_sched_scan_reqs = 1; 4846 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4847 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4848 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4849 4850 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4851 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4852 4853 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER | 4854 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4855 NL80211_FEATURE_NEED_OBSS_SCAN; 4856 4857 if (adapter->host_mlme_enabled) 4858 wiphy->features |= NL80211_FEATURE_SAE; 4859 4860 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) 4861 wiphy->features |= NL80211_FEATURE_HT_IBSS; 4862 4863 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) 4864 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4865 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4866 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4867 4868 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4869 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4870 4871 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4872 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4873 4874 /* Reserve space for mwifiex specific private data for BSS */ 4875 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4876 4877 wiphy->reg_notifier = mwifiex_reg_notifier; 4878 4879 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4880 wdev_priv = wiphy_priv(wiphy); 4881 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4882 4883 set_wiphy_dev(wiphy, priv->adapter->dev); 4884 4885 ret = wiphy_register(wiphy); 4886 if (ret < 0) { 4887 mwifiex_dbg(adapter, ERROR, 4888 "%s: wiphy_register failed: %d\n", __func__, ret); 4889 goto err; 4890 } 4891 4892 if (!adapter->regd) { 4893 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4894 mwifiex_dbg(adapter, INFO, 4895 "driver hint alpha2: %2.2s\n", reg_alpha2); 4896 regulatory_hint(wiphy, reg_alpha2); 4897 } else { 4898 if (adapter->region_code == 0x00) { 4899 mwifiex_dbg(adapter, WARN, 4900 "Ignore world regulatory domain\n"); 4901 } else { 4902 wiphy->regulatory_flags |= 4903 REGULATORY_DISABLE_BEACON_HINTS | 4904 REGULATORY_COUNTRY_IE_IGNORE; 4905 country_code = 4906 mwifiex_11d_code_2_region( 4907 adapter->region_code); 4908 if (country_code && 4909 regulatory_hint(wiphy, country_code)) 4910 mwifiex_dbg(priv->adapter, ERROR, 4911 "regulatory_hint() failed\n"); 4912 } 4913 } 4914 } 4915 4916 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4917 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4918 wiphy->frag_threshold = thr; 4919 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4920 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4921 wiphy->rts_threshold = thr; 4922 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4923 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4924 wiphy->retry_short = (u8) retry; 4925 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4926 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4927 wiphy->retry_long = (u8) retry; 4928 4929 adapter->wiphy = wiphy; 4930 return ret; 4931 4932 err: 4933 wiphy_free(wiphy); 4934 4935 return ret; 4936 } 4937