1 /* 2 * Marvell Wireless LAN device driver: CFG80211 3 * 4 * Copyright (C) 2011-2014, Marvell International Ltd. 5 * 6 * This software file (the "File") is distributed by Marvell International 7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991 8 * (the "License"). You may use, redistribute and/or modify this File in 9 * accordance with the terms and conditions of the License, a copy of which 10 * is available by writing to the Free Software Foundation, Inc., 11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 13 * 14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 17 * this warranty disclaimer. 18 */ 19 20 #include "cfg80211.h" 21 #include "main.h" 22 #include "11n.h" 23 #include "wmm.h" 24 25 static char *reg_alpha2; 26 module_param(reg_alpha2, charp, 0); 27 28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { 29 { 30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) | 31 BIT(NL80211_IFTYPE_P2P_GO) | 32 BIT(NL80211_IFTYPE_P2P_CLIENT) | 33 BIT(NL80211_IFTYPE_AP), 34 }, 35 }; 36 37 static const struct ieee80211_iface_combination 38 mwifiex_iface_comb_ap_sta = { 39 .limits = mwifiex_ap_sta_limits, 40 .num_different_channels = 1, 41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 42 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 43 .beacon_int_infra_match = true, 44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 45 BIT(NL80211_CHAN_WIDTH_20) | 46 BIT(NL80211_CHAN_WIDTH_40), 47 }; 48 49 static const struct ieee80211_iface_combination 50 mwifiex_iface_comb_ap_sta_vht = { 51 .limits = mwifiex_ap_sta_limits, 52 .num_different_channels = 1, 53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 54 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 55 .beacon_int_infra_match = true, 56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 57 BIT(NL80211_CHAN_WIDTH_20) | 58 BIT(NL80211_CHAN_WIDTH_40) | 59 BIT(NL80211_CHAN_WIDTH_80), 60 }; 61 62 static const struct 63 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { 64 .limits = mwifiex_ap_sta_limits, 65 .num_different_channels = 2, 66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 67 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 68 .beacon_int_infra_match = true, 69 }; 70 71 /* 72 * This function maps the nl802.11 channel type into driver channel type. 73 * 74 * The mapping is as follows - 75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE 76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE 77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE 78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW 79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE 80 */ 81 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) 82 { 83 switch (chan_type) { 84 case NL80211_CHAN_NO_HT: 85 case NL80211_CHAN_HT20: 86 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 87 case NL80211_CHAN_HT40PLUS: 88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; 89 case NL80211_CHAN_HT40MINUS: 90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW; 91 default: 92 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 93 } 94 } 95 96 /* This function maps IEEE HT secondary channel type to NL80211 channel type 97 */ 98 u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset) 99 { 100 switch (second_chan_offset) { 101 case IEEE80211_HT_PARAM_CHA_SEC_NONE: 102 return NL80211_CHAN_HT20; 103 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: 104 return NL80211_CHAN_HT40PLUS; 105 case IEEE80211_HT_PARAM_CHA_SEC_BELOW: 106 return NL80211_CHAN_HT40MINUS; 107 default: 108 return NL80211_CHAN_HT20; 109 } 110 } 111 112 /* 113 * This function checks whether WEP is set. 114 */ 115 static int 116 mwifiex_is_alg_wep(u32 cipher) 117 { 118 switch (cipher) { 119 case WLAN_CIPHER_SUITE_WEP40: 120 case WLAN_CIPHER_SUITE_WEP104: 121 return 1; 122 default: 123 break; 124 } 125 126 return 0; 127 } 128 129 /* 130 * This function retrieves the private structure from kernel wiphy structure. 131 */ 132 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) 133 { 134 return (void *) (*(unsigned long *) wiphy_priv(wiphy)); 135 } 136 137 /* 138 * CFG802.11 operation handler to delete a network key. 139 */ 140 static int 141 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, 142 u8 key_index, bool pairwise, const u8 *mac_addr) 143 { 144 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 145 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 146 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 147 148 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { 149 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 150 return -EFAULT; 151 } 152 153 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); 154 return 0; 155 } 156 157 /* 158 * This function forms an skb for management frame. 159 */ 160 static int 161 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) 162 { 163 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; 164 u16 pkt_len; 165 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 166 167 pkt_len = len + ETH_ALEN; 168 169 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 170 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 171 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 172 173 memcpy(skb_push(skb, sizeof(tx_control)), 174 &tx_control, sizeof(tx_control)); 175 176 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 177 178 /* Add packet data and address4 */ 179 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf, 180 sizeof(struct ieee80211_hdr_3addr)); 181 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN); 182 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)), 183 buf + sizeof(struct ieee80211_hdr_3addr), 184 len - sizeof(struct ieee80211_hdr_3addr)); 185 186 skb->priority = LOW_PRIO_TID; 187 __net_timestamp(skb); 188 189 return 0; 190 } 191 192 /* 193 * CFG802.11 operation handler to transmit a management frame. 194 */ 195 static int 196 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 197 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 198 { 199 const u8 *buf = params->buf; 200 size_t len = params->len; 201 struct sk_buff *skb; 202 u16 pkt_len; 203 const struct ieee80211_mgmt *mgmt; 204 struct mwifiex_txinfo *tx_info; 205 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 206 207 if (!buf || !len) { 208 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); 209 return -EFAULT; 210 } 211 212 mgmt = (const struct ieee80211_mgmt *)buf; 213 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && 214 ieee80211_is_probe_resp(mgmt->frame_control)) { 215 /* Since we support offload probe resp, we need to skip probe 216 * resp in AP or GO mode */ 217 mwifiex_dbg(priv->adapter, INFO, 218 "info: skip to send probe resp in AP or GO mode\n"); 219 return 0; 220 } 221 222 pkt_len = len + ETH_ALEN; 223 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 224 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 225 pkt_len + sizeof(pkt_len)); 226 227 if (!skb) { 228 mwifiex_dbg(priv->adapter, ERROR, 229 "allocate skb failed for management frame\n"); 230 return -ENOMEM; 231 } 232 233 tx_info = MWIFIEX_SKB_TXCB(skb); 234 memset(tx_info, 0, sizeof(*tx_info)); 235 tx_info->bss_num = priv->bss_num; 236 tx_info->bss_type = priv->bss_type; 237 tx_info->pkt_len = pkt_len; 238 239 mwifiex_form_mgmt_frame(skb, buf, len); 240 *cookie = prandom_u32() | 1; 241 242 if (ieee80211_is_action(mgmt->frame_control)) 243 skb = mwifiex_clone_skb_for_tx_status(priv, 244 skb, 245 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); 246 else 247 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 248 GFP_ATOMIC); 249 250 mwifiex_queue_tx_pkt(priv, skb); 251 252 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 253 return 0; 254 } 255 256 /* 257 * CFG802.11 operation handler to register a mgmt frame. 258 */ 259 static void 260 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, 261 struct wireless_dev *wdev, 262 u16 frame_type, bool reg) 263 { 264 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 265 u32 mask; 266 267 if (reg) 268 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); 269 else 270 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); 271 272 if (mask != priv->mgmt_frame_mask) { 273 priv->mgmt_frame_mask = mask; 274 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 275 HostCmd_ACT_GEN_SET, 0, 276 &priv->mgmt_frame_mask, false); 277 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 278 } 279 } 280 281 /* 282 * CFG802.11 operation handler to remain on channel. 283 */ 284 static int 285 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 286 struct wireless_dev *wdev, 287 struct ieee80211_channel *chan, 288 unsigned int duration, u64 *cookie) 289 { 290 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 291 int ret; 292 293 if (!chan || !cookie) { 294 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); 295 return -EINVAL; 296 } 297 298 if (priv->roc_cfg.cookie) { 299 mwifiex_dbg(priv->adapter, INFO, 300 "info: ongoing ROC, cookie = 0x%llx\n", 301 priv->roc_cfg.cookie); 302 return -EBUSY; 303 } 304 305 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, 306 duration); 307 308 if (!ret) { 309 *cookie = prandom_u32() | 1; 310 priv->roc_cfg.cookie = *cookie; 311 priv->roc_cfg.chan = *chan; 312 313 cfg80211_ready_on_channel(wdev, *cookie, chan, 314 duration, GFP_ATOMIC); 315 316 mwifiex_dbg(priv->adapter, INFO, 317 "info: ROC, cookie = 0x%llx\n", *cookie); 318 } 319 320 return ret; 321 } 322 323 /* 324 * CFG802.11 operation handler to cancel remain on channel. 325 */ 326 static int 327 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 328 struct wireless_dev *wdev, u64 cookie) 329 { 330 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 331 int ret; 332 333 if (cookie != priv->roc_cfg.cookie) 334 return -ENOENT; 335 336 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 337 &priv->roc_cfg.chan, 0); 338 339 if (!ret) { 340 cfg80211_remain_on_channel_expired(wdev, cookie, 341 &priv->roc_cfg.chan, 342 GFP_ATOMIC); 343 344 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 345 346 mwifiex_dbg(priv->adapter, INFO, 347 "info: cancel ROC, cookie = 0x%llx\n", cookie); 348 } 349 350 return ret; 351 } 352 353 /* 354 * CFG802.11 operation handler to set Tx power. 355 */ 356 static int 357 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 358 struct wireless_dev *wdev, 359 enum nl80211_tx_power_setting type, 360 int mbm) 361 { 362 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 363 struct mwifiex_private *priv; 364 struct mwifiex_power_cfg power_cfg; 365 int dbm = MBM_TO_DBM(mbm); 366 367 if (type == NL80211_TX_POWER_FIXED) { 368 power_cfg.is_power_auto = 0; 369 power_cfg.power_level = dbm; 370 } else { 371 power_cfg.is_power_auto = 1; 372 } 373 374 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 375 376 return mwifiex_set_tx_power(priv, &power_cfg); 377 } 378 379 /* 380 * CFG802.11 operation handler to get Tx power. 381 */ 382 static int 383 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, 384 struct wireless_dev *wdev, 385 int *dbm) 386 { 387 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 388 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 389 MWIFIEX_BSS_ROLE_ANY); 390 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 391 HostCmd_ACT_GEN_GET, 0, NULL, true); 392 393 if (ret < 0) 394 return ret; 395 396 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 397 *dbm = priv->tx_power_level; 398 399 return 0; 400 } 401 402 /* 403 * CFG802.11 operation handler to set Power Save option. 404 * 405 * The timeout value, if provided, is currently ignored. 406 */ 407 static int 408 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 409 struct net_device *dev, 410 bool enabled, int timeout) 411 { 412 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 413 u32 ps_mode; 414 415 if (timeout) 416 mwifiex_dbg(priv->adapter, INFO, 417 "info: ignore timeout value for IEEE Power Save\n"); 418 419 ps_mode = enabled; 420 421 return mwifiex_drv_set_power(priv, &ps_mode); 422 } 423 424 /* 425 * CFG802.11 operation handler to set the default network key. 426 */ 427 static int 428 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 429 u8 key_index, bool unicast, 430 bool multicast) 431 { 432 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 433 434 /* Return if WEP key not configured */ 435 if (!priv->sec_info.wep_enabled) 436 return 0; 437 438 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 439 priv->wep_key_curr_index = key_index; 440 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 441 NULL, 0)) { 442 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 443 return -EFAULT; 444 } 445 446 return 0; 447 } 448 449 /* 450 * CFG802.11 operation handler to add a network key. 451 */ 452 static int 453 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 454 u8 key_index, bool pairwise, const u8 *mac_addr, 455 struct key_params *params) 456 { 457 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 458 struct mwifiex_wep_key *wep_key; 459 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 460 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 461 462 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 463 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 464 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 465 if (params->key && params->key_len) { 466 wep_key = &priv->wep_key[key_index]; 467 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 468 memcpy(wep_key->key_material, params->key, 469 params->key_len); 470 wep_key->key_index = key_index; 471 wep_key->key_length = params->key_len; 472 priv->sec_info.wep_enabled = 1; 473 } 474 return 0; 475 } 476 477 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 478 key_index, peer_mac, 0)) { 479 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 480 return -EFAULT; 481 } 482 483 return 0; 484 } 485 486 /* 487 * This function sends domain information to the firmware. 488 * 489 * The following information are passed to the firmware - 490 * - Country codes 491 * - Sub bands (first channel, number of channels, maximum Tx power) 492 */ 493 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 494 { 495 u8 no_of_triplet = 0; 496 struct ieee80211_country_ie_triplet *t; 497 u8 no_of_parsed_chan = 0; 498 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 499 u8 i, flag = 0; 500 enum nl80211_band band; 501 struct ieee80211_supported_band *sband; 502 struct ieee80211_channel *ch; 503 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 504 struct mwifiex_private *priv; 505 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 506 507 /* Set country code */ 508 domain_info->country_code[0] = adapter->country_code[0]; 509 domain_info->country_code[1] = adapter->country_code[1]; 510 domain_info->country_code[2] = ' '; 511 512 band = mwifiex_band_to_radio_type(adapter->config_bands); 513 if (!wiphy->bands[band]) { 514 mwifiex_dbg(adapter, ERROR, 515 "11D: setting domain info in FW\n"); 516 return -1; 517 } 518 519 sband = wiphy->bands[band]; 520 521 for (i = 0; i < sband->n_channels ; i++) { 522 ch = &sband->channels[i]; 523 if (ch->flags & IEEE80211_CHAN_DISABLED) 524 continue; 525 526 if (!flag) { 527 flag = 1; 528 first_chan = (u32) ch->hw_value; 529 next_chan = first_chan; 530 max_pwr = ch->max_power; 531 no_of_parsed_chan = 1; 532 continue; 533 } 534 535 if (ch->hw_value == next_chan + 1 && 536 ch->max_power == max_pwr) { 537 next_chan++; 538 no_of_parsed_chan++; 539 } else { 540 t = &domain_info->triplet[no_of_triplet]; 541 t->chans.first_channel = first_chan; 542 t->chans.num_channels = no_of_parsed_chan; 543 t->chans.max_power = max_pwr; 544 no_of_triplet++; 545 first_chan = (u32) ch->hw_value; 546 next_chan = first_chan; 547 max_pwr = ch->max_power; 548 no_of_parsed_chan = 1; 549 } 550 } 551 552 if (flag) { 553 t = &domain_info->triplet[no_of_triplet]; 554 t->chans.first_channel = first_chan; 555 t->chans.num_channels = no_of_parsed_chan; 556 t->chans.max_power = max_pwr; 557 no_of_triplet++; 558 } 559 560 domain_info->no_of_triplet = no_of_triplet; 561 562 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 563 564 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 565 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 566 mwifiex_dbg(adapter, INFO, 567 "11D: setting domain info in FW\n"); 568 return -1; 569 } 570 571 return 0; 572 } 573 574 /* 575 * CFG802.11 regulatory domain callback function. 576 * 577 * This function is called when the regulatory domain is changed due to the 578 * following reasons - 579 * - Set by driver 580 * - Set by system core 581 * - Set by user 582 * - Set bt Country IE 583 */ 584 static void mwifiex_reg_notifier(struct wiphy *wiphy, 585 struct regulatory_request *request) 586 { 587 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 588 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 589 MWIFIEX_BSS_ROLE_ANY); 590 mwifiex_dbg(adapter, INFO, 591 "info: cfg80211 regulatory domain callback for %c%c\n", 592 request->alpha2[0], request->alpha2[1]); 593 594 switch (request->initiator) { 595 case NL80211_REGDOM_SET_BY_DRIVER: 596 case NL80211_REGDOM_SET_BY_CORE: 597 case NL80211_REGDOM_SET_BY_USER: 598 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 599 break; 600 default: 601 mwifiex_dbg(adapter, ERROR, 602 "unknown regdom initiator: %d\n", 603 request->initiator); 604 return; 605 } 606 607 /* Don't send world or same regdom info to firmware */ 608 if (strncmp(request->alpha2, "00", 2) && 609 strncmp(request->alpha2, adapter->country_code, 610 sizeof(request->alpha2))) { 611 memcpy(adapter->country_code, request->alpha2, 612 sizeof(request->alpha2)); 613 mwifiex_send_domain_info_cmd_fw(wiphy); 614 mwifiex_dnld_txpwr_table(priv); 615 } 616 } 617 618 /* 619 * This function sets the fragmentation threshold. 620 * 621 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 622 * and MWIFIEX_FRAG_MAX_VALUE. 623 */ 624 static int 625 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 626 { 627 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 628 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 629 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 630 631 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 632 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 633 &frag_thr, true); 634 } 635 636 /* 637 * This function sets the RTS threshold. 638 639 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 640 * and MWIFIEX_RTS_MAX_VALUE. 641 */ 642 static int 643 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 644 { 645 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 646 rts_thr = MWIFIEX_RTS_MAX_VALUE; 647 648 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 649 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 650 &rts_thr, true); 651 } 652 653 /* 654 * CFG802.11 operation handler to set wiphy parameters. 655 * 656 * This function can be used to set the RTS threshold and the 657 * Fragmentation threshold of the driver. 658 */ 659 static int 660 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 661 { 662 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 663 struct mwifiex_private *priv; 664 struct mwifiex_uap_bss_param *bss_cfg; 665 int ret; 666 667 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 668 669 switch (priv->bss_role) { 670 case MWIFIEX_BSS_ROLE_UAP: 671 if (priv->bss_started) { 672 mwifiex_dbg(adapter, ERROR, 673 "cannot change wiphy params when bss started"); 674 return -EINVAL; 675 } 676 677 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 678 if (!bss_cfg) 679 return -ENOMEM; 680 681 mwifiex_set_sys_config_invalid_data(bss_cfg); 682 683 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 684 bss_cfg->rts_threshold = wiphy->rts_threshold; 685 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 686 bss_cfg->frag_threshold = wiphy->frag_threshold; 687 if (changed & WIPHY_PARAM_RETRY_LONG) 688 bss_cfg->retry_limit = wiphy->retry_long; 689 690 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 691 HostCmd_ACT_GEN_SET, 692 UAP_BSS_PARAMS_I, bss_cfg, 693 false); 694 695 kfree(bss_cfg); 696 if (ret) { 697 mwifiex_dbg(adapter, ERROR, 698 "Failed to set wiphy phy params\n"); 699 return ret; 700 } 701 break; 702 703 case MWIFIEX_BSS_ROLE_STA: 704 if (priv->media_connected) { 705 mwifiex_dbg(adapter, ERROR, 706 "cannot change wiphy params when connected"); 707 return -EINVAL; 708 } 709 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 710 ret = mwifiex_set_rts(priv, 711 wiphy->rts_threshold); 712 if (ret) 713 return ret; 714 } 715 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 716 ret = mwifiex_set_frag(priv, 717 wiphy->frag_threshold); 718 if (ret) 719 return ret; 720 } 721 break; 722 } 723 724 return 0; 725 } 726 727 static int 728 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 729 { 730 u16 mode = P2P_MODE_DISABLE; 731 732 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 733 HostCmd_ACT_GEN_SET, 0, &mode, true)) 734 return -1; 735 736 return 0; 737 } 738 739 /* 740 * This function initializes the functionalities for P2P client. 741 * The P2P client initialization sequence is: 742 * disable -> device -> client 743 */ 744 static int 745 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 746 { 747 u16 mode; 748 749 if (mwifiex_cfg80211_deinit_p2p(priv)) 750 return -1; 751 752 mode = P2P_MODE_DEVICE; 753 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 754 HostCmd_ACT_GEN_SET, 0, &mode, true)) 755 return -1; 756 757 mode = P2P_MODE_CLIENT; 758 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 759 HostCmd_ACT_GEN_SET, 0, &mode, true)) 760 return -1; 761 762 return 0; 763 } 764 765 /* 766 * This function initializes the functionalities for P2P GO. 767 * The P2P GO initialization sequence is: 768 * disable -> device -> GO 769 */ 770 static int 771 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 772 { 773 u16 mode; 774 775 if (mwifiex_cfg80211_deinit_p2p(priv)) 776 return -1; 777 778 mode = P2P_MODE_DEVICE; 779 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 780 HostCmd_ACT_GEN_SET, 0, &mode, true)) 781 return -1; 782 783 mode = P2P_MODE_GO; 784 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 785 HostCmd_ACT_GEN_SET, 0, &mode, true)) 786 return -1; 787 788 return 0; 789 } 790 791 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 792 { 793 struct mwifiex_adapter *adapter = priv->adapter; 794 unsigned long flags; 795 796 priv->mgmt_frame_mask = 0; 797 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 798 HostCmd_ACT_GEN_SET, 0, 799 &priv->mgmt_frame_mask, false)) { 800 mwifiex_dbg(adapter, ERROR, 801 "could not unregister mgmt frame rx\n"); 802 return -1; 803 } 804 805 mwifiex_deauthenticate(priv, NULL); 806 807 spin_lock_irqsave(&adapter->main_proc_lock, flags); 808 adapter->main_locked = true; 809 if (adapter->mwifiex_processing) { 810 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 811 flush_workqueue(adapter->workqueue); 812 } else { 813 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 814 } 815 816 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 817 adapter->rx_locked = true; 818 if (adapter->rx_processing) { 819 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 820 flush_workqueue(adapter->rx_workqueue); 821 } else { 822 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 823 } 824 825 mwifiex_free_priv(priv); 826 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 827 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 828 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 829 830 return 0; 831 } 832 833 static int 834 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 835 struct net_device *dev, 836 enum nl80211_iftype type) 837 { 838 struct mwifiex_adapter *adapter = priv->adapter; 839 unsigned long flags; 840 841 mwifiex_init_priv(priv); 842 843 priv->bss_mode = type; 844 priv->wdev.iftype = type; 845 846 mwifiex_init_priv_params(priv, priv->netdev); 847 priv->bss_started = 0; 848 849 switch (type) { 850 case NL80211_IFTYPE_STATION: 851 case NL80211_IFTYPE_ADHOC: 852 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 853 MWIFIEX_BSS_TYPE_STA); 854 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 855 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 856 break; 857 case NL80211_IFTYPE_P2P_CLIENT: 858 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 859 MWIFIEX_BSS_TYPE_P2P); 860 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 861 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 862 break; 863 case NL80211_IFTYPE_P2P_GO: 864 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 865 MWIFIEX_BSS_TYPE_P2P); 866 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 867 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 868 break; 869 case NL80211_IFTYPE_AP: 870 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 871 MWIFIEX_BSS_TYPE_UAP); 872 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 873 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 874 break; 875 default: 876 mwifiex_dbg(adapter, ERROR, 877 "%s: changing to %d not supported\n", 878 dev->name, type); 879 return -EOPNOTSUPP; 880 } 881 882 spin_lock_irqsave(&adapter->main_proc_lock, flags); 883 adapter->main_locked = false; 884 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 885 886 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 887 adapter->rx_locked = false; 888 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 889 890 return 0; 891 } 892 893 static int 894 mwifiex_change_vif_to_p2p(struct net_device *dev, 895 enum nl80211_iftype curr_iftype, 896 enum nl80211_iftype type, u32 *flags, 897 struct vif_params *params) 898 { 899 struct mwifiex_private *priv; 900 struct mwifiex_adapter *adapter; 901 902 priv = mwifiex_netdev_get_priv(dev); 903 904 if (!priv) 905 return -1; 906 907 adapter = priv->adapter; 908 909 if (adapter->curr_iface_comb.p2p_intf == 910 adapter->iface_limit.p2p_intf) { 911 mwifiex_dbg(adapter, ERROR, 912 "cannot create multiple P2P ifaces\n"); 913 return -1; 914 } 915 916 mwifiex_dbg(adapter, INFO, 917 "%s: changing role to p2p\n", dev->name); 918 919 if (mwifiex_deinit_priv_params(priv)) 920 return -1; 921 if (mwifiex_init_new_priv_params(priv, dev, type)) 922 return -1; 923 924 switch (type) { 925 case NL80211_IFTYPE_P2P_CLIENT: 926 if (mwifiex_cfg80211_init_p2p_client(priv)) 927 return -EFAULT; 928 break; 929 case NL80211_IFTYPE_P2P_GO: 930 if (mwifiex_cfg80211_init_p2p_go(priv)) 931 return -EFAULT; 932 break; 933 default: 934 mwifiex_dbg(adapter, ERROR, 935 "%s: changing to %d not supported\n", 936 dev->name, type); 937 return -EOPNOTSUPP; 938 } 939 940 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 941 HostCmd_ACT_GEN_SET, 0, NULL, true)) 942 return -1; 943 944 if (mwifiex_sta_init_cmd(priv, false, false)) 945 return -1; 946 947 switch (curr_iftype) { 948 case NL80211_IFTYPE_STATION: 949 case NL80211_IFTYPE_ADHOC: 950 adapter->curr_iface_comb.sta_intf--; 951 break; 952 case NL80211_IFTYPE_AP: 953 adapter->curr_iface_comb.uap_intf--; 954 break; 955 default: 956 break; 957 } 958 959 adapter->curr_iface_comb.p2p_intf++; 960 dev->ieee80211_ptr->iftype = type; 961 962 return 0; 963 } 964 965 static int 966 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 967 enum nl80211_iftype curr_iftype, 968 enum nl80211_iftype type, u32 *flags, 969 struct vif_params *params) 970 { 971 struct mwifiex_private *priv; 972 struct mwifiex_adapter *adapter; 973 974 priv = mwifiex_netdev_get_priv(dev); 975 976 if (!priv) 977 return -1; 978 979 adapter = priv->adapter; 980 981 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && 982 curr_iftype != NL80211_IFTYPE_P2P_GO) && 983 (adapter->curr_iface_comb.sta_intf == 984 adapter->iface_limit.sta_intf)) { 985 mwifiex_dbg(adapter, ERROR, 986 "cannot create multiple station/adhoc ifaces\n"); 987 return -1; 988 } 989 990 if (type == NL80211_IFTYPE_STATION) 991 mwifiex_dbg(adapter, INFO, 992 "%s: changing role to station\n", dev->name); 993 else 994 mwifiex_dbg(adapter, INFO, 995 "%s: changing role to adhoc\n", dev->name); 996 997 if (mwifiex_deinit_priv_params(priv)) 998 return -1; 999 if (mwifiex_init_new_priv_params(priv, dev, type)) 1000 return -1; 1001 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1002 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1003 return -1; 1004 if (mwifiex_sta_init_cmd(priv, false, false)) 1005 return -1; 1006 1007 switch (curr_iftype) { 1008 case NL80211_IFTYPE_P2P_CLIENT: 1009 case NL80211_IFTYPE_P2P_GO: 1010 adapter->curr_iface_comb.p2p_intf--; 1011 break; 1012 case NL80211_IFTYPE_AP: 1013 adapter->curr_iface_comb.uap_intf--; 1014 break; 1015 default: 1016 break; 1017 } 1018 1019 adapter->curr_iface_comb.sta_intf++; 1020 dev->ieee80211_ptr->iftype = type; 1021 return 0; 1022 } 1023 1024 static int 1025 mwifiex_change_vif_to_ap(struct net_device *dev, 1026 enum nl80211_iftype curr_iftype, 1027 enum nl80211_iftype type, u32 *flags, 1028 struct vif_params *params) 1029 { 1030 struct mwifiex_private *priv; 1031 struct mwifiex_adapter *adapter; 1032 1033 priv = mwifiex_netdev_get_priv(dev); 1034 1035 if (!priv) 1036 return -1; 1037 1038 adapter = priv->adapter; 1039 1040 if (adapter->curr_iface_comb.uap_intf == 1041 adapter->iface_limit.uap_intf) { 1042 mwifiex_dbg(adapter, ERROR, 1043 "cannot create multiple AP ifaces\n"); 1044 return -1; 1045 } 1046 1047 mwifiex_dbg(adapter, INFO, 1048 "%s: changing role to AP\n", dev->name); 1049 1050 if (mwifiex_deinit_priv_params(priv)) 1051 return -1; 1052 if (mwifiex_init_new_priv_params(priv, dev, type)) 1053 return -1; 1054 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1055 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1056 return -1; 1057 if (mwifiex_sta_init_cmd(priv, false, false)) 1058 return -1; 1059 1060 switch (curr_iftype) { 1061 case NL80211_IFTYPE_P2P_CLIENT: 1062 case NL80211_IFTYPE_P2P_GO: 1063 adapter->curr_iface_comb.p2p_intf--; 1064 break; 1065 case NL80211_IFTYPE_STATION: 1066 case NL80211_IFTYPE_ADHOC: 1067 adapter->curr_iface_comb.sta_intf--; 1068 break; 1069 default: 1070 break; 1071 } 1072 1073 adapter->curr_iface_comb.uap_intf++; 1074 dev->ieee80211_ptr->iftype = type; 1075 return 0; 1076 } 1077 /* 1078 * CFG802.11 operation handler to change interface type. 1079 */ 1080 static int 1081 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1082 struct net_device *dev, 1083 enum nl80211_iftype type, u32 *flags, 1084 struct vif_params *params) 1085 { 1086 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1087 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1088 1089 switch (curr_iftype) { 1090 case NL80211_IFTYPE_ADHOC: 1091 switch (type) { 1092 case NL80211_IFTYPE_STATION: 1093 priv->bss_mode = type; 1094 priv->sec_info.authentication_mode = 1095 NL80211_AUTHTYPE_OPEN_SYSTEM; 1096 dev->ieee80211_ptr->iftype = type; 1097 mwifiex_deauthenticate(priv, NULL); 1098 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1099 HostCmd_ACT_GEN_SET, 0, NULL, 1100 true); 1101 case NL80211_IFTYPE_P2P_CLIENT: 1102 case NL80211_IFTYPE_P2P_GO: 1103 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1104 type, flags, params); 1105 case NL80211_IFTYPE_AP: 1106 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1107 flags, params); 1108 case NL80211_IFTYPE_UNSPECIFIED: 1109 mwifiex_dbg(priv->adapter, INFO, 1110 "%s: kept type as IBSS\n", dev->name); 1111 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ 1112 return 0; 1113 default: 1114 mwifiex_dbg(priv->adapter, ERROR, 1115 "%s: changing to %d not supported\n", 1116 dev->name, type); 1117 return -EOPNOTSUPP; 1118 } 1119 break; 1120 case NL80211_IFTYPE_STATION: 1121 switch (type) { 1122 case NL80211_IFTYPE_ADHOC: 1123 priv->bss_mode = type; 1124 priv->sec_info.authentication_mode = 1125 NL80211_AUTHTYPE_OPEN_SYSTEM; 1126 dev->ieee80211_ptr->iftype = type; 1127 mwifiex_deauthenticate(priv, NULL); 1128 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1129 HostCmd_ACT_GEN_SET, 0, NULL, 1130 true); 1131 case NL80211_IFTYPE_P2P_CLIENT: 1132 case NL80211_IFTYPE_P2P_GO: 1133 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1134 type, flags, params); 1135 case NL80211_IFTYPE_AP: 1136 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1137 flags, params); 1138 case NL80211_IFTYPE_UNSPECIFIED: 1139 mwifiex_dbg(priv->adapter, INFO, 1140 "%s: kept type as STA\n", dev->name); 1141 case NL80211_IFTYPE_STATION: /* This shouldn't happen */ 1142 return 0; 1143 default: 1144 mwifiex_dbg(priv->adapter, ERROR, 1145 "%s: changing to %d not supported\n", 1146 dev->name, type); 1147 return -EOPNOTSUPP; 1148 } 1149 break; 1150 case NL80211_IFTYPE_AP: 1151 switch (type) { 1152 case NL80211_IFTYPE_ADHOC: 1153 case NL80211_IFTYPE_STATION: 1154 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1155 type, flags, 1156 params); 1157 break; 1158 case NL80211_IFTYPE_P2P_CLIENT: 1159 case NL80211_IFTYPE_P2P_GO: 1160 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1161 type, flags, params); 1162 case NL80211_IFTYPE_UNSPECIFIED: 1163 mwifiex_dbg(priv->adapter, INFO, 1164 "%s: kept type as AP\n", dev->name); 1165 case NL80211_IFTYPE_AP: /* This shouldn't happen */ 1166 return 0; 1167 default: 1168 mwifiex_dbg(priv->adapter, ERROR, 1169 "%s: changing to %d not supported\n", 1170 dev->name, type); 1171 return -EOPNOTSUPP; 1172 } 1173 break; 1174 case NL80211_IFTYPE_P2P_CLIENT: 1175 case NL80211_IFTYPE_P2P_GO: 1176 switch (type) { 1177 case NL80211_IFTYPE_STATION: 1178 if (mwifiex_cfg80211_deinit_p2p(priv)) 1179 return -EFAULT; 1180 priv->adapter->curr_iface_comb.p2p_intf--; 1181 priv->adapter->curr_iface_comb.sta_intf++; 1182 dev->ieee80211_ptr->iftype = type; 1183 break; 1184 case NL80211_IFTYPE_ADHOC: 1185 if (mwifiex_cfg80211_deinit_p2p(priv)) 1186 return -EFAULT; 1187 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1188 type, flags, 1189 params); 1190 break; 1191 case NL80211_IFTYPE_AP: 1192 if (mwifiex_cfg80211_deinit_p2p(priv)) 1193 return -EFAULT; 1194 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1195 flags, params); 1196 case NL80211_IFTYPE_UNSPECIFIED: 1197 mwifiex_dbg(priv->adapter, INFO, 1198 "%s: kept type as P2P\n", dev->name); 1199 case NL80211_IFTYPE_P2P_CLIENT: 1200 case NL80211_IFTYPE_P2P_GO: 1201 return 0; 1202 default: 1203 mwifiex_dbg(priv->adapter, ERROR, 1204 "%s: changing to %d not supported\n", 1205 dev->name, type); 1206 return -EOPNOTSUPP; 1207 } 1208 break; 1209 default: 1210 mwifiex_dbg(priv->adapter, ERROR, 1211 "%s: unknown iftype: %d\n", 1212 dev->name, dev->ieee80211_ptr->iftype); 1213 return -EOPNOTSUPP; 1214 } 1215 1216 1217 return 0; 1218 } 1219 1220 static void 1221 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, 1222 struct rate_info *rate) 1223 { 1224 struct mwifiex_adapter *adapter = priv->adapter; 1225 1226 if (adapter->is_hw_11ac_capable) { 1227 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1228 if (tx_htinfo & BIT(0)) { 1229 /* HT */ 1230 rate->mcs = priv->tx_rate; 1231 rate->flags |= RATE_INFO_FLAGS_MCS; 1232 } 1233 if (tx_htinfo & BIT(1)) { 1234 /* VHT */ 1235 rate->mcs = priv->tx_rate & 0x0F; 1236 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1237 } 1238 1239 if (tx_htinfo & (BIT(1) | BIT(0))) { 1240 /* HT or VHT */ 1241 switch (tx_htinfo & (BIT(3) | BIT(2))) { 1242 case 0: 1243 rate->bw = RATE_INFO_BW_20; 1244 break; 1245 case (BIT(2)): 1246 rate->bw = RATE_INFO_BW_40; 1247 break; 1248 case (BIT(3)): 1249 rate->bw = RATE_INFO_BW_80; 1250 break; 1251 case (BIT(3) | BIT(2)): 1252 rate->bw = RATE_INFO_BW_160; 1253 break; 1254 } 1255 1256 if (tx_htinfo & BIT(4)) 1257 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1258 1259 if ((priv->tx_rate >> 4) == 1) 1260 rate->nss = 2; 1261 else 1262 rate->nss = 1; 1263 } 1264 } else { 1265 /* 1266 * Bit 0 in tx_htinfo indicates that current Tx rate 1267 * is 11n rate. Valid MCS index values for us are 0 to 15. 1268 */ 1269 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { 1270 rate->mcs = priv->tx_rate; 1271 rate->flags |= RATE_INFO_FLAGS_MCS; 1272 rate->bw = RATE_INFO_BW_20; 1273 if (tx_htinfo & BIT(1)) 1274 rate->bw = RATE_INFO_BW_40; 1275 if (tx_htinfo & BIT(2)) 1276 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1277 } 1278 } 1279 } 1280 1281 /* 1282 * This function dumps the station information on a buffer. 1283 * 1284 * The following information are shown - 1285 * - Total bytes transmitted 1286 * - Total bytes received 1287 * - Total packets transmitted 1288 * - Total packets received 1289 * - Signal quality level 1290 * - Transmission rate 1291 */ 1292 static int 1293 mwifiex_dump_station_info(struct mwifiex_private *priv, 1294 struct mwifiex_sta_node *node, 1295 struct station_info *sinfo) 1296 { 1297 u32 rate; 1298 1299 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | 1300 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | 1301 BIT(NL80211_STA_INFO_TX_BITRATE) | 1302 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); 1303 1304 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1305 if (!node) 1306 return -ENOENT; 1307 1308 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | 1309 BIT(NL80211_STA_INFO_TX_FAILED); 1310 sinfo->inactive_time = 1311 jiffies_to_msecs(jiffies - node->stats.last_rx); 1312 1313 sinfo->signal = node->stats.rssi; 1314 sinfo->signal_avg = node->stats.rssi; 1315 sinfo->rx_bytes = node->stats.rx_bytes; 1316 sinfo->tx_bytes = node->stats.tx_bytes; 1317 sinfo->rx_packets = node->stats.rx_packets; 1318 sinfo->tx_packets = node->stats.tx_packets; 1319 sinfo->tx_failed = node->stats.tx_failed; 1320 1321 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, 1322 &sinfo->txrate); 1323 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1324 1325 return 0; 1326 } 1327 1328 /* Get signal information from the firmware */ 1329 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1330 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1331 mwifiex_dbg(priv->adapter, ERROR, 1332 "failed to get signal information\n"); 1333 return -EFAULT; 1334 } 1335 1336 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1337 mwifiex_dbg(priv->adapter, ERROR, 1338 "getting data rate error\n"); 1339 return -EFAULT; 1340 } 1341 1342 /* Get DTIM period information from firmware */ 1343 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1344 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1345 &priv->dtim_period, true); 1346 1347 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); 1348 1349 sinfo->signal_avg = priv->bcn_rssi_avg; 1350 sinfo->rx_bytes = priv->stats.rx_bytes; 1351 sinfo->tx_bytes = priv->stats.tx_bytes; 1352 sinfo->rx_packets = priv->stats.rx_packets; 1353 sinfo->tx_packets = priv->stats.tx_packets; 1354 sinfo->signal = priv->bcn_rssi_avg; 1355 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1356 sinfo->txrate.legacy = rate * 5; 1357 1358 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1359 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); 1360 sinfo->bss_param.flags = 0; 1361 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1362 WLAN_CAPABILITY_SHORT_PREAMBLE) 1363 sinfo->bss_param.flags |= 1364 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1365 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1366 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1367 sinfo->bss_param.flags |= 1368 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1369 sinfo->bss_param.dtim_period = priv->dtim_period; 1370 sinfo->bss_param.beacon_interval = 1371 priv->curr_bss_params.bss_descriptor.beacon_period; 1372 } 1373 1374 return 0; 1375 } 1376 1377 /* 1378 * CFG802.11 operation handler to get station information. 1379 * 1380 * This function only works in connected mode, and dumps the 1381 * requested station information, if available. 1382 */ 1383 static int 1384 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1385 const u8 *mac, struct station_info *sinfo) 1386 { 1387 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1388 1389 if (!priv->media_connected) 1390 return -ENOENT; 1391 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1392 return -ENOENT; 1393 1394 return mwifiex_dump_station_info(priv, NULL, sinfo); 1395 } 1396 1397 /* 1398 * CFG802.11 operation handler to dump station information. 1399 */ 1400 static int 1401 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1402 int idx, u8 *mac, struct station_info *sinfo) 1403 { 1404 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1405 static struct mwifiex_sta_node *node; 1406 1407 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1408 priv->media_connected && idx == 0) { 1409 ether_addr_copy(mac, priv->cfg_bssid); 1410 return mwifiex_dump_station_info(priv, NULL, sinfo); 1411 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1412 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1413 HostCmd_ACT_GEN_GET, 0, NULL, true); 1414 1415 if (node && (&node->list == &priv->sta_list)) { 1416 node = NULL; 1417 return -ENOENT; 1418 } 1419 1420 node = list_prepare_entry(node, &priv->sta_list, list); 1421 list_for_each_entry_continue(node, &priv->sta_list, list) { 1422 ether_addr_copy(mac, node->mac_addr); 1423 return mwifiex_dump_station_info(priv, node, sinfo); 1424 } 1425 } 1426 1427 return -ENOENT; 1428 } 1429 1430 static int 1431 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1432 int idx, struct survey_info *survey) 1433 { 1434 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1435 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1436 enum nl80211_band band; 1437 1438 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1439 1440 memset(survey, 0, sizeof(struct survey_info)); 1441 1442 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1443 priv->media_connected && idx == 0) { 1444 u8 curr_bss_band = priv->curr_bss_params.band; 1445 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1446 1447 band = mwifiex_band_to_radio_type(curr_bss_band); 1448 survey->channel = ieee80211_get_channel(wiphy, 1449 ieee80211_channel_to_frequency(chan, band)); 1450 1451 if (priv->bcn_nf_last) { 1452 survey->filled = SURVEY_INFO_NOISE_DBM; 1453 survey->noise = priv->bcn_nf_last; 1454 } 1455 return 0; 1456 } 1457 1458 if (idx >= priv->adapter->num_in_chan_stats) 1459 return -ENOENT; 1460 1461 if (!pchan_stats[idx].cca_scan_dur) 1462 return 0; 1463 1464 band = pchan_stats[idx].bandcfg; 1465 survey->channel = ieee80211_get_channel(wiphy, 1466 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1467 survey->filled = SURVEY_INFO_NOISE_DBM | 1468 SURVEY_INFO_TIME | 1469 SURVEY_INFO_TIME_BUSY; 1470 survey->noise = pchan_stats[idx].noise; 1471 survey->time = pchan_stats[idx].cca_scan_dur; 1472 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1473 1474 return 0; 1475 } 1476 1477 /* Supported rates to be advertised to the cfg80211 */ 1478 static struct ieee80211_rate mwifiex_rates[] = { 1479 {.bitrate = 10, .hw_value = 2, }, 1480 {.bitrate = 20, .hw_value = 4, }, 1481 {.bitrate = 55, .hw_value = 11, }, 1482 {.bitrate = 110, .hw_value = 22, }, 1483 {.bitrate = 60, .hw_value = 12, }, 1484 {.bitrate = 90, .hw_value = 18, }, 1485 {.bitrate = 120, .hw_value = 24, }, 1486 {.bitrate = 180, .hw_value = 36, }, 1487 {.bitrate = 240, .hw_value = 48, }, 1488 {.bitrate = 360, .hw_value = 72, }, 1489 {.bitrate = 480, .hw_value = 96, }, 1490 {.bitrate = 540, .hw_value = 108, }, 1491 }; 1492 1493 /* Channel definitions to be advertised to cfg80211 */ 1494 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1495 {.center_freq = 2412, .hw_value = 1, }, 1496 {.center_freq = 2417, .hw_value = 2, }, 1497 {.center_freq = 2422, .hw_value = 3, }, 1498 {.center_freq = 2427, .hw_value = 4, }, 1499 {.center_freq = 2432, .hw_value = 5, }, 1500 {.center_freq = 2437, .hw_value = 6, }, 1501 {.center_freq = 2442, .hw_value = 7, }, 1502 {.center_freq = 2447, .hw_value = 8, }, 1503 {.center_freq = 2452, .hw_value = 9, }, 1504 {.center_freq = 2457, .hw_value = 10, }, 1505 {.center_freq = 2462, .hw_value = 11, }, 1506 {.center_freq = 2467, .hw_value = 12, }, 1507 {.center_freq = 2472, .hw_value = 13, }, 1508 {.center_freq = 2484, .hw_value = 14, }, 1509 }; 1510 1511 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1512 .channels = mwifiex_channels_2ghz, 1513 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1514 .bitrates = mwifiex_rates, 1515 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1516 }; 1517 1518 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1519 {.center_freq = 5040, .hw_value = 8, }, 1520 {.center_freq = 5060, .hw_value = 12, }, 1521 {.center_freq = 5080, .hw_value = 16, }, 1522 {.center_freq = 5170, .hw_value = 34, }, 1523 {.center_freq = 5190, .hw_value = 38, }, 1524 {.center_freq = 5210, .hw_value = 42, }, 1525 {.center_freq = 5230, .hw_value = 46, }, 1526 {.center_freq = 5180, .hw_value = 36, }, 1527 {.center_freq = 5200, .hw_value = 40, }, 1528 {.center_freq = 5220, .hw_value = 44, }, 1529 {.center_freq = 5240, .hw_value = 48, }, 1530 {.center_freq = 5260, .hw_value = 52, }, 1531 {.center_freq = 5280, .hw_value = 56, }, 1532 {.center_freq = 5300, .hw_value = 60, }, 1533 {.center_freq = 5320, .hw_value = 64, }, 1534 {.center_freq = 5500, .hw_value = 100, }, 1535 {.center_freq = 5520, .hw_value = 104, }, 1536 {.center_freq = 5540, .hw_value = 108, }, 1537 {.center_freq = 5560, .hw_value = 112, }, 1538 {.center_freq = 5580, .hw_value = 116, }, 1539 {.center_freq = 5600, .hw_value = 120, }, 1540 {.center_freq = 5620, .hw_value = 124, }, 1541 {.center_freq = 5640, .hw_value = 128, }, 1542 {.center_freq = 5660, .hw_value = 132, }, 1543 {.center_freq = 5680, .hw_value = 136, }, 1544 {.center_freq = 5700, .hw_value = 140, }, 1545 {.center_freq = 5745, .hw_value = 149, }, 1546 {.center_freq = 5765, .hw_value = 153, }, 1547 {.center_freq = 5785, .hw_value = 157, }, 1548 {.center_freq = 5805, .hw_value = 161, }, 1549 {.center_freq = 5825, .hw_value = 165, }, 1550 }; 1551 1552 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1553 .channels = mwifiex_channels_5ghz, 1554 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1555 .bitrates = mwifiex_rates + 4, 1556 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1557 }; 1558 1559 1560 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1561 static const u32 mwifiex_cipher_suites[] = { 1562 WLAN_CIPHER_SUITE_WEP40, 1563 WLAN_CIPHER_SUITE_WEP104, 1564 WLAN_CIPHER_SUITE_TKIP, 1565 WLAN_CIPHER_SUITE_CCMP, 1566 WLAN_CIPHER_SUITE_SMS4, 1567 WLAN_CIPHER_SUITE_AES_CMAC, 1568 }; 1569 1570 /* Supported mgmt frame types to be advertised to cfg80211 */ 1571 static const struct ieee80211_txrx_stypes 1572 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1573 [NL80211_IFTYPE_STATION] = { 1574 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1575 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1576 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1577 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1578 }, 1579 [NL80211_IFTYPE_AP] = { 1580 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1581 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1582 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1583 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1584 }, 1585 [NL80211_IFTYPE_P2P_CLIENT] = { 1586 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1587 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1588 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1589 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1590 }, 1591 [NL80211_IFTYPE_P2P_GO] = { 1592 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1593 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1594 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1595 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1596 }, 1597 }; 1598 1599 /* 1600 * CFG802.11 operation handler for setting bit rates. 1601 * 1602 * Function configures data rates to firmware using bitrate mask 1603 * provided by cfg80211. 1604 */ 1605 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1606 struct net_device *dev, 1607 const u8 *peer, 1608 const struct cfg80211_bitrate_mask *mask) 1609 { 1610 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1611 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1612 enum nl80211_band band; 1613 struct mwifiex_adapter *adapter = priv->adapter; 1614 1615 if (!priv->media_connected) { 1616 mwifiex_dbg(adapter, ERROR, 1617 "Can not set Tx data rate in disconnected state\n"); 1618 return -EINVAL; 1619 } 1620 1621 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1622 1623 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1624 1625 /* Fill HR/DSSS rates. */ 1626 if (band == NL80211_BAND_2GHZ) 1627 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1628 1629 /* Fill OFDM rates */ 1630 if (band == NL80211_BAND_2GHZ) 1631 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1632 else 1633 bitmap_rates[1] = mask->control[band].legacy; 1634 1635 /* Fill HT MCS rates */ 1636 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1637 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1638 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1639 1640 /* Fill VHT MCS rates */ 1641 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1642 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1643 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1644 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1645 } 1646 1647 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1648 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1649 } 1650 1651 /* 1652 * CFG802.11 operation handler for connection quality monitoring. 1653 * 1654 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1655 * events to FW. 1656 */ 1657 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1658 struct net_device *dev, 1659 s32 rssi_thold, u32 rssi_hyst) 1660 { 1661 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1662 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1663 1664 priv->cqm_rssi_thold = rssi_thold; 1665 priv->cqm_rssi_hyst = rssi_hyst; 1666 1667 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1668 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1669 1670 /* Subscribe/unsubscribe low and high rssi events */ 1671 if (rssi_thold && rssi_hyst) { 1672 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1673 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1674 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1675 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1676 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1677 return mwifiex_send_cmd(priv, 1678 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1679 0, 0, &subsc_evt, true); 1680 } else { 1681 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1682 return mwifiex_send_cmd(priv, 1683 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1684 0, 0, &subsc_evt, true); 1685 } 1686 1687 return 0; 1688 } 1689 1690 /* cfg80211 operation handler for change_beacon. 1691 * Function retrieves and sets modified management IEs to FW. 1692 */ 1693 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1694 struct net_device *dev, 1695 struct cfg80211_beacon_data *data) 1696 { 1697 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1698 struct mwifiex_adapter *adapter = priv->adapter; 1699 1700 mwifiex_cancel_scan(adapter); 1701 1702 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1703 mwifiex_dbg(priv->adapter, ERROR, 1704 "%s: bss_type mismatched\n", __func__); 1705 return -EINVAL; 1706 } 1707 1708 if (!priv->bss_started) { 1709 mwifiex_dbg(priv->adapter, ERROR, 1710 "%s: bss not started\n", __func__); 1711 return -EINVAL; 1712 } 1713 1714 if (mwifiex_set_mgmt_ies(priv, data)) { 1715 mwifiex_dbg(priv->adapter, ERROR, 1716 "%s: setting mgmt ies failed\n", __func__); 1717 return -EFAULT; 1718 } 1719 1720 return 0; 1721 } 1722 1723 /* cfg80211 operation handler for del_station. 1724 * Function deauthenticates station which value is provided in mac parameter. 1725 * If mac is NULL/broadcast, all stations in associated station list are 1726 * deauthenticated. If bss is not started or there are no stations in 1727 * associated stations list, no action is taken. 1728 */ 1729 static int 1730 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1731 struct station_del_parameters *params) 1732 { 1733 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1734 struct mwifiex_sta_node *sta_node; 1735 u8 deauth_mac[ETH_ALEN]; 1736 unsigned long flags; 1737 1738 if (!priv->bss_started && priv->wdev.cac_started) { 1739 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1740 mwifiex_abort_cac(priv); 1741 } 1742 1743 if (list_empty(&priv->sta_list) || !priv->bss_started) 1744 return 0; 1745 1746 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1747 return 0; 1748 1749 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1750 __func__, params->mac); 1751 1752 eth_zero_addr(deauth_mac); 1753 1754 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 1755 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1756 if (sta_node) 1757 ether_addr_copy(deauth_mac, params->mac); 1758 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 1759 1760 if (is_valid_ether_addr(deauth_mac)) { 1761 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1762 HostCmd_ACT_GEN_SET, 0, 1763 deauth_mac, true)) 1764 return -1; 1765 } 1766 1767 return 0; 1768 } 1769 1770 static int 1771 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1772 { 1773 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1774 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1775 MWIFIEX_BSS_ROLE_ANY); 1776 struct mwifiex_ds_ant_cfg ant_cfg; 1777 1778 if (!tx_ant || !rx_ant) 1779 return -EOPNOTSUPP; 1780 1781 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1782 /* Not a MIMO chip. User should provide specific antenna number 1783 * for Tx/Rx path or enable all antennas for diversity 1784 */ 1785 if (tx_ant != rx_ant) 1786 return -EOPNOTSUPP; 1787 1788 if ((tx_ant & (tx_ant - 1)) && 1789 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1790 return -EOPNOTSUPP; 1791 1792 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1793 (priv->adapter->number_of_antenna > 1)) { 1794 tx_ant = RF_ANTENNA_AUTO; 1795 rx_ant = RF_ANTENNA_AUTO; 1796 } 1797 } else { 1798 struct ieee80211_sta_ht_cap *ht_info; 1799 int rx_mcs_supp; 1800 enum nl80211_band band; 1801 1802 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1803 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1804 if (adapter->is_hw_11ac_capable) 1805 adapter->usr_dot_11ac_mcs_support = 1806 MWIFIEX_11AC_MCS_MAP_1X1; 1807 } else { 1808 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1809 if (adapter->is_hw_11ac_capable) 1810 adapter->usr_dot_11ac_mcs_support = 1811 MWIFIEX_11AC_MCS_MAP_2X2; 1812 } 1813 1814 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1815 if (!adapter->wiphy->bands[band]) 1816 continue; 1817 1818 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1819 rx_mcs_supp = 1820 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1821 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1822 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1823 } 1824 } 1825 1826 ant_cfg.tx_ant = tx_ant; 1827 ant_cfg.rx_ant = rx_ant; 1828 1829 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1830 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 1831 } 1832 1833 static int 1834 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 1835 { 1836 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1837 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1838 MWIFIEX_BSS_ROLE_ANY); 1839 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1840 HostCmd_ACT_GEN_GET, 0, NULL, true); 1841 1842 *tx_ant = priv->tx_ant; 1843 *rx_ant = priv->rx_ant; 1844 1845 return 0; 1846 } 1847 1848 /* cfg80211 operation handler for stop ap. 1849 * Function stops BSS running at uAP interface. 1850 */ 1851 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1852 { 1853 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1854 1855 mwifiex_abort_cac(priv); 1856 1857 if (mwifiex_del_mgmt_ies(priv)) 1858 mwifiex_dbg(priv->adapter, ERROR, 1859 "Failed to delete mgmt IEs!\n"); 1860 1861 priv->ap_11n_enabled = 0; 1862 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 1863 1864 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 1865 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1866 mwifiex_dbg(priv->adapter, ERROR, 1867 "Failed to stop the BSS\n"); 1868 return -1; 1869 } 1870 1871 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 1872 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1873 mwifiex_dbg(priv->adapter, ERROR, 1874 "Failed to reset BSS\n"); 1875 return -1; 1876 } 1877 1878 if (netif_carrier_ok(priv->netdev)) 1879 netif_carrier_off(priv->netdev); 1880 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 1881 1882 return 0; 1883 } 1884 1885 /* cfg80211 operation handler for start_ap. 1886 * Function sets beacon period, DTIM period, SSID and security into 1887 * AP config structure. 1888 * AP is configured with these settings and BSS is started. 1889 */ 1890 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 1891 struct net_device *dev, 1892 struct cfg80211_ap_settings *params) 1893 { 1894 struct mwifiex_uap_bss_param *bss_cfg; 1895 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1896 1897 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 1898 return -1; 1899 1900 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 1901 if (!bss_cfg) 1902 return -ENOMEM; 1903 1904 mwifiex_set_sys_config_invalid_data(bss_cfg); 1905 1906 if (params->beacon_interval) 1907 bss_cfg->beacon_period = params->beacon_interval; 1908 if (params->dtim_period) 1909 bss_cfg->dtim_period = params->dtim_period; 1910 1911 if (params->ssid && params->ssid_len) { 1912 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 1913 bss_cfg->ssid.ssid_len = params->ssid_len; 1914 } 1915 if (params->inactivity_timeout > 0) { 1916 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 1917 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 1918 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 1919 } 1920 1921 switch (params->hidden_ssid) { 1922 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1923 bss_cfg->bcast_ssid_ctl = 1; 1924 break; 1925 case NL80211_HIDDEN_SSID_ZERO_LEN: 1926 bss_cfg->bcast_ssid_ctl = 0; 1927 break; 1928 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1929 /* firmware doesn't support this type of hidden SSID */ 1930 default: 1931 kfree(bss_cfg); 1932 return -EINVAL; 1933 } 1934 1935 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 1936 mwifiex_set_uap_rates(bss_cfg, params); 1937 1938 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 1939 mwifiex_dbg(priv->adapter, ERROR, 1940 "Failed to parse secuirty parameters!\n"); 1941 goto out; 1942 } 1943 1944 mwifiex_set_ht_params(priv, bss_cfg, params); 1945 1946 if (priv->adapter->is_hw_11ac_capable) { 1947 mwifiex_set_vht_params(priv, bss_cfg, params); 1948 mwifiex_set_vht_width(priv, params->chandef.width, 1949 priv->ap_11ac_enabled); 1950 } 1951 1952 if (priv->ap_11ac_enabled) 1953 mwifiex_set_11ac_ba_params(priv); 1954 else 1955 mwifiex_set_ba_params(priv); 1956 1957 mwifiex_set_wmm_params(priv, bss_cfg, params); 1958 1959 if (mwifiex_is_11h_active(priv)) 1960 mwifiex_set_tpc_params(priv, bss_cfg, params); 1961 1962 if (mwifiex_is_11h_active(priv) && 1963 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 1964 priv->bss_mode)) { 1965 mwifiex_dbg(priv->adapter, INFO, 1966 "Disable 11h extensions in FW\n"); 1967 if (mwifiex_11h_activate(priv, false)) { 1968 mwifiex_dbg(priv->adapter, ERROR, 1969 "Failed to disable 11h extensions!!"); 1970 goto out; 1971 } 1972 priv->state_11h.is_11h_active = false; 1973 } 1974 1975 if (mwifiex_config_start_uap(priv, bss_cfg)) { 1976 mwifiex_dbg(priv->adapter, ERROR, 1977 "Failed to start AP\n"); 1978 goto out; 1979 } 1980 1981 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 1982 goto out; 1983 1984 if (!netif_carrier_ok(priv->netdev)) 1985 netif_carrier_on(priv->netdev); 1986 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 1987 1988 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 1989 kfree(bss_cfg); 1990 return 0; 1991 1992 out: 1993 kfree(bss_cfg); 1994 return -1; 1995 } 1996 1997 /* 1998 * CFG802.11 operation handler for disconnection request. 1999 * 2000 * This function does not work when there is already a disconnection 2001 * procedure going on. 2002 */ 2003 static int 2004 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2005 u16 reason_code) 2006 { 2007 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2008 2009 if (!mwifiex_stop_bg_scan(priv)) 2010 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2011 2012 if (mwifiex_deauthenticate(priv, NULL)) 2013 return -EFAULT; 2014 2015 mwifiex_dbg(priv->adapter, MSG, 2016 "info: successfully disconnected from %pM:\t" 2017 "reason code %d\n", priv->cfg_bssid, reason_code); 2018 2019 eth_zero_addr(priv->cfg_bssid); 2020 priv->hs2_enabled = false; 2021 2022 return 0; 2023 } 2024 2025 /* 2026 * This function informs the CFG802.11 subsystem of a new IBSS. 2027 * 2028 * The following information are sent to the CFG802.11 subsystem 2029 * to register the new IBSS. If we do not register the new IBSS, 2030 * a kernel panic will result. 2031 * - SSID 2032 * - SSID length 2033 * - BSSID 2034 * - Channel 2035 */ 2036 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2037 { 2038 struct ieee80211_channel *chan; 2039 struct mwifiex_bss_info bss_info; 2040 struct cfg80211_bss *bss; 2041 int ie_len; 2042 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2043 enum nl80211_band band; 2044 2045 if (mwifiex_get_bss_info(priv, &bss_info)) 2046 return -1; 2047 2048 ie_buf[0] = WLAN_EID_SSID; 2049 ie_buf[1] = bss_info.ssid.ssid_len; 2050 2051 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2052 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2053 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2054 2055 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2056 chan = __ieee80211_get_channel(priv->wdev.wiphy, 2057 ieee80211_channel_to_frequency(bss_info.bss_chan, 2058 band)); 2059 2060 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2061 CFG80211_BSS_FTYPE_UNKNOWN, 2062 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2063 0, ie_buf, ie_len, 0, GFP_KERNEL); 2064 if (bss) { 2065 cfg80211_put_bss(priv->wdev.wiphy, bss); 2066 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2067 } 2068 2069 return 0; 2070 } 2071 2072 /* 2073 * This function connects with a BSS. 2074 * 2075 * This function handles both Infra and Ad-Hoc modes. It also performs 2076 * validity checking on the provided parameters, disconnects from the 2077 * current BSS (if any), sets up the association/scan parameters, 2078 * including security settings, and performs specific SSID scan before 2079 * trying to connect. 2080 * 2081 * For Infra mode, the function returns failure if the specified SSID 2082 * is not found in scan table. However, for Ad-Hoc mode, it can create 2083 * the IBSS if it does not exist. On successful completion in either case, 2084 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2085 */ 2086 static int 2087 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2088 const u8 *ssid, const u8 *bssid, int mode, 2089 struct ieee80211_channel *channel, 2090 struct cfg80211_connect_params *sme, bool privacy) 2091 { 2092 struct cfg80211_ssid req_ssid; 2093 int ret, auth_type = 0; 2094 struct cfg80211_bss *bss = NULL; 2095 u8 is_scanning_required = 0; 2096 2097 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2098 2099 req_ssid.ssid_len = ssid_len; 2100 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2101 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2102 return -EINVAL; 2103 } 2104 2105 memcpy(req_ssid.ssid, ssid, ssid_len); 2106 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2107 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2108 return -EINVAL; 2109 } 2110 2111 /* As this is new association, clear locally stored 2112 * keys and security related flags */ 2113 priv->sec_info.wpa_enabled = false; 2114 priv->sec_info.wpa2_enabled = false; 2115 priv->wep_key_curr_index = 0; 2116 priv->sec_info.encryption_mode = 0; 2117 priv->sec_info.is_authtype_auto = 0; 2118 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2119 2120 if (mode == NL80211_IFTYPE_ADHOC) { 2121 /* "privacy" is set only for ad-hoc mode */ 2122 if (privacy) { 2123 /* 2124 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2125 * the firmware can find a matching network from the 2126 * scan. The cfg80211 does not give us the encryption 2127 * mode at this stage so just setting it to WEP here. 2128 */ 2129 priv->sec_info.encryption_mode = 2130 WLAN_CIPHER_SUITE_WEP104; 2131 priv->sec_info.authentication_mode = 2132 NL80211_AUTHTYPE_OPEN_SYSTEM; 2133 } 2134 2135 goto done; 2136 } 2137 2138 /* Now handle infra mode. "sme" is valid for infra mode only */ 2139 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2140 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2141 priv->sec_info.is_authtype_auto = 1; 2142 } else { 2143 auth_type = sme->auth_type; 2144 } 2145 2146 if (sme->crypto.n_ciphers_pairwise) { 2147 priv->sec_info.encryption_mode = 2148 sme->crypto.ciphers_pairwise[0]; 2149 priv->sec_info.authentication_mode = auth_type; 2150 } 2151 2152 if (sme->crypto.cipher_group) { 2153 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2154 priv->sec_info.authentication_mode = auth_type; 2155 } 2156 if (sme->ie) 2157 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2158 2159 if (sme->key) { 2160 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2161 mwifiex_dbg(priv->adapter, INFO, 2162 "info: setting wep encryption\t" 2163 "with key len %d\n", sme->key_len); 2164 priv->wep_key_curr_index = sme->key_idx; 2165 ret = mwifiex_set_encode(priv, NULL, sme->key, 2166 sme->key_len, sme->key_idx, 2167 NULL, 0); 2168 } 2169 } 2170 done: 2171 /* 2172 * Scan entries are valid for some time (15 sec). So we can save one 2173 * active scan time if we just try cfg80211_get_bss first. If it fails 2174 * then request scan and cfg80211_get_bss() again for final output. 2175 */ 2176 while (1) { 2177 if (is_scanning_required) { 2178 /* Do specific SSID scanning */ 2179 if (mwifiex_request_scan(priv, &req_ssid)) { 2180 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2181 return -EFAULT; 2182 } 2183 } 2184 2185 /* Find the BSS we want using available scan results */ 2186 if (mode == NL80211_IFTYPE_ADHOC) 2187 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2188 bssid, ssid, ssid_len, 2189 IEEE80211_BSS_TYPE_IBSS, 2190 IEEE80211_PRIVACY_ANY); 2191 else 2192 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2193 bssid, ssid, ssid_len, 2194 IEEE80211_BSS_TYPE_ESS, 2195 IEEE80211_PRIVACY_ANY); 2196 2197 if (!bss) { 2198 if (is_scanning_required) { 2199 mwifiex_dbg(priv->adapter, WARN, 2200 "assoc: requested bss not found in scan results\n"); 2201 break; 2202 } 2203 is_scanning_required = 1; 2204 } else { 2205 mwifiex_dbg(priv->adapter, MSG, 2206 "info: trying to associate to '%s' bssid %pM\n", 2207 (char *)req_ssid.ssid, bss->bssid); 2208 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2209 break; 2210 } 2211 } 2212 2213 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2214 if (ret) 2215 return ret; 2216 2217 if (mode == NL80211_IFTYPE_ADHOC) { 2218 /* Inform the BSS information to kernel, otherwise 2219 * kernel will give a panic after successful assoc */ 2220 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2221 return -EFAULT; 2222 } 2223 2224 return ret; 2225 } 2226 2227 /* 2228 * CFG802.11 operation handler for association request. 2229 * 2230 * This function does not work when the current mode is set to Ad-Hoc, or 2231 * when there is already an association procedure going on. The given BSS 2232 * information is used to associate. 2233 */ 2234 static int 2235 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2236 struct cfg80211_connect_params *sme) 2237 { 2238 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2239 struct mwifiex_adapter *adapter = priv->adapter; 2240 int ret; 2241 2242 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2243 mwifiex_dbg(adapter, ERROR, 2244 "%s: reject infra assoc request in non-STA role\n", 2245 dev->name); 2246 return -EINVAL; 2247 } 2248 2249 if (priv->wdev.current_bss) { 2250 mwifiex_dbg(adapter, ERROR, 2251 "%s: already connected\n", dev->name); 2252 return -EALREADY; 2253 } 2254 2255 if (priv->scan_block) 2256 priv->scan_block = false; 2257 2258 if (adapter->surprise_removed || adapter->is_cmd_timedout) { 2259 mwifiex_dbg(adapter, ERROR, 2260 "%s: Ignore connection.\t" 2261 "Card removed or FW in bad state\n", 2262 dev->name); 2263 return -EFAULT; 2264 } 2265 2266 mwifiex_dbg(adapter, INFO, 2267 "info: Trying to associate to %s and bssid %pM\n", 2268 (char *)sme->ssid, sme->bssid); 2269 2270 if (!mwifiex_stop_bg_scan(priv)) 2271 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2272 2273 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2274 priv->bss_mode, sme->channel, sme, 0); 2275 if (!ret) { 2276 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2277 NULL, 0, WLAN_STATUS_SUCCESS, 2278 GFP_KERNEL); 2279 mwifiex_dbg(priv->adapter, MSG, 2280 "info: associated to bssid %pM successfully\n", 2281 priv->cfg_bssid); 2282 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2283 priv->adapter->auto_tdls && 2284 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2285 mwifiex_setup_auto_tdls_timer(priv); 2286 } else { 2287 mwifiex_dbg(priv->adapter, ERROR, 2288 "info: association to bssid %pM failed\n", 2289 priv->cfg_bssid); 2290 eth_zero_addr(priv->cfg_bssid); 2291 2292 if (ret > 0) 2293 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2294 NULL, 0, NULL, 0, ret, 2295 GFP_KERNEL); 2296 else 2297 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2298 NULL, 0, NULL, 0, 2299 WLAN_STATUS_UNSPECIFIED_FAILURE, 2300 GFP_KERNEL); 2301 } 2302 2303 return 0; 2304 } 2305 2306 /* 2307 * This function sets following parameters for ibss network. 2308 * - channel 2309 * - start band 2310 * - 11n flag 2311 * - secondary channel offset 2312 */ 2313 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2314 struct cfg80211_ibss_params *params) 2315 { 2316 struct mwifiex_adapter *adapter = priv->adapter; 2317 int index = 0, i; 2318 u8 config_bands = 0; 2319 2320 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2321 if (!params->basic_rates) { 2322 config_bands = BAND_B | BAND_G; 2323 } else { 2324 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2325 /* 2326 * Rates below 6 Mbps in the table are CCK 2327 * rates; 802.11b and from 6 they are OFDM; 2328 * 802.11G 2329 */ 2330 if (mwifiex_rates[i].bitrate == 60) { 2331 index = 1 << i; 2332 break; 2333 } 2334 } 2335 2336 if (params->basic_rates < index) { 2337 config_bands = BAND_B; 2338 } else { 2339 config_bands = BAND_G; 2340 if (params->basic_rates % index) 2341 config_bands |= BAND_B; 2342 } 2343 } 2344 2345 if (cfg80211_get_chandef_type(¶ms->chandef) != 2346 NL80211_CHAN_NO_HT) 2347 config_bands |= BAND_G | BAND_GN; 2348 } else { 2349 if (cfg80211_get_chandef_type(¶ms->chandef) == 2350 NL80211_CHAN_NO_HT) 2351 config_bands = BAND_A; 2352 else 2353 config_bands = BAND_AN | BAND_A; 2354 } 2355 2356 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2357 adapter->config_bands = config_bands; 2358 adapter->adhoc_start_band = config_bands; 2359 2360 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2361 adapter->adhoc_11n_enabled = true; 2362 else 2363 adapter->adhoc_11n_enabled = false; 2364 } 2365 2366 adapter->sec_chan_offset = 2367 mwifiex_chan_type_to_sec_chan_offset( 2368 cfg80211_get_chandef_type(¶ms->chandef)); 2369 priv->adhoc_channel = ieee80211_frequency_to_channel( 2370 params->chandef.chan->center_freq); 2371 2372 mwifiex_dbg(adapter, INFO, 2373 "info: set ibss band %d, chan %d, chan offset %d\n", 2374 config_bands, priv->adhoc_channel, 2375 adapter->sec_chan_offset); 2376 2377 return 0; 2378 } 2379 2380 /* 2381 * CFG802.11 operation handler to join an IBSS. 2382 * 2383 * This function does not work in any mode other than Ad-Hoc, or if 2384 * a join operation is already in progress. 2385 */ 2386 static int 2387 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2388 struct cfg80211_ibss_params *params) 2389 { 2390 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2391 int ret = 0; 2392 2393 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2394 mwifiex_dbg(priv->adapter, ERROR, 2395 "request to join ibss received\t" 2396 "when station is not in ibss mode\n"); 2397 goto done; 2398 } 2399 2400 mwifiex_dbg(priv->adapter, MSG, 2401 "info: trying to join to %s and bssid %pM\n", 2402 (char *)params->ssid, params->bssid); 2403 2404 mwifiex_set_ibss_params(priv, params); 2405 2406 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2407 params->bssid, priv->bss_mode, 2408 params->chandef.chan, NULL, 2409 params->privacy); 2410 done: 2411 if (!ret) { 2412 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2413 params->chandef.chan, GFP_KERNEL); 2414 mwifiex_dbg(priv->adapter, MSG, 2415 "info: joined/created adhoc network with bssid\t" 2416 "%pM successfully\n", priv->cfg_bssid); 2417 } else { 2418 mwifiex_dbg(priv->adapter, ERROR, 2419 "info: failed creating/joining adhoc network\n"); 2420 } 2421 2422 return ret; 2423 } 2424 2425 /* 2426 * CFG802.11 operation handler to leave an IBSS. 2427 * 2428 * This function does not work if a leave operation is 2429 * already in progress. 2430 */ 2431 static int 2432 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2433 { 2434 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2435 2436 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2437 priv->cfg_bssid); 2438 if (mwifiex_deauthenticate(priv, NULL)) 2439 return -EFAULT; 2440 2441 eth_zero_addr(priv->cfg_bssid); 2442 2443 return 0; 2444 } 2445 2446 /* 2447 * CFG802.11 operation handler for scan request. 2448 * 2449 * This function issues a scan request to the firmware based upon 2450 * the user specified scan configuration. On successful completion, 2451 * it also informs the results. 2452 */ 2453 static int 2454 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2455 struct cfg80211_scan_request *request) 2456 { 2457 struct net_device *dev = request->wdev->netdev; 2458 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2459 int i, offset, ret; 2460 struct ieee80211_channel *chan; 2461 struct ieee_types_header *ie; 2462 struct mwifiex_user_scan_cfg *user_scan_cfg; 2463 2464 mwifiex_dbg(priv->adapter, CMD, 2465 "info: received scan request on %s\n", dev->name); 2466 2467 /* Block scan request if scan operation or scan cleanup when interface 2468 * is disabled is in process 2469 */ 2470 if (priv->scan_request || priv->scan_aborting) { 2471 mwifiex_dbg(priv->adapter, WARN, 2472 "cmd: Scan already in process..\n"); 2473 return -EBUSY; 2474 } 2475 2476 if (!priv->wdev.current_bss && priv->scan_block) 2477 priv->scan_block = false; 2478 2479 if (!mwifiex_stop_bg_scan(priv)) 2480 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2481 2482 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2483 if (!user_scan_cfg) 2484 return -ENOMEM; 2485 2486 priv->scan_request = request; 2487 2488 user_scan_cfg->num_ssids = request->n_ssids; 2489 user_scan_cfg->ssid_list = request->ssids; 2490 2491 if (request->ie && request->ie_len) { 2492 offset = 0; 2493 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2494 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2495 continue; 2496 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2497 ie = (struct ieee_types_header *)(request->ie + offset); 2498 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2499 offset += sizeof(*ie) + ie->len; 2500 2501 if (offset >= request->ie_len) 2502 break; 2503 } 2504 } 2505 2506 for (i = 0; i < min_t(u32, request->n_channels, 2507 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2508 chan = request->channels[i]; 2509 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2510 user_scan_cfg->chan_list[i].radio_type = chan->band; 2511 2512 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2513 user_scan_cfg->chan_list[i].scan_type = 2514 MWIFIEX_SCAN_TYPE_PASSIVE; 2515 else 2516 user_scan_cfg->chan_list[i].scan_type = 2517 MWIFIEX_SCAN_TYPE_ACTIVE; 2518 2519 user_scan_cfg->chan_list[i].scan_time = 0; 2520 } 2521 2522 if (priv->adapter->scan_chan_gap_enabled && 2523 mwifiex_is_any_intf_active(priv)) 2524 user_scan_cfg->scan_chan_gap = 2525 priv->adapter->scan_chan_gap_time; 2526 2527 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2528 kfree(user_scan_cfg); 2529 if (ret) { 2530 mwifiex_dbg(priv->adapter, ERROR, 2531 "scan failed: %d\n", ret); 2532 priv->scan_aborting = false; 2533 priv->scan_request = NULL; 2534 return ret; 2535 } 2536 2537 if (request->ie && request->ie_len) { 2538 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2539 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2540 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2541 memset(&priv->vs_ie[i].ie, 0, 2542 MWIFIEX_MAX_VSIE_LEN); 2543 } 2544 } 2545 } 2546 return 0; 2547 } 2548 2549 /* CFG802.11 operation handler for sched_scan_start. 2550 * 2551 * This function issues a bgscan config request to the firmware based upon 2552 * the user specified sched_scan configuration. On successful completion, 2553 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2554 * query command to get sched_scan results from firmware. 2555 */ 2556 static int 2557 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2558 struct net_device *dev, 2559 struct cfg80211_sched_scan_request *request) 2560 { 2561 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2562 int i, offset; 2563 struct ieee80211_channel *chan; 2564 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2565 struct ieee_types_header *ie; 2566 2567 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2568 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2569 __func__); 2570 return -EINVAL; 2571 } 2572 2573 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2574 request->n_ssids, request->n_match_sets); 2575 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2576 request->n_channels, request->scan_plans->interval, 2577 (int)request->ie_len); 2578 2579 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2580 if (!bgscan_cfg) 2581 return -ENOMEM; 2582 2583 if (priv->scan_request || priv->scan_aborting) 2584 bgscan_cfg->start_later = true; 2585 2586 bgscan_cfg->num_ssids = request->n_match_sets; 2587 bgscan_cfg->ssid_list = request->match_sets; 2588 2589 if (request->ie && request->ie_len) { 2590 offset = 0; 2591 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2592 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2593 continue; 2594 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2595 ie = (struct ieee_types_header *)(request->ie + offset); 2596 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2597 offset += sizeof(*ie) + ie->len; 2598 2599 if (offset >= request->ie_len) 2600 break; 2601 } 2602 } 2603 2604 for (i = 0; i < min_t(u32, request->n_channels, 2605 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2606 chan = request->channels[i]; 2607 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2608 bgscan_cfg->chan_list[i].radio_type = chan->band; 2609 2610 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2611 bgscan_cfg->chan_list[i].scan_type = 2612 MWIFIEX_SCAN_TYPE_PASSIVE; 2613 else 2614 bgscan_cfg->chan_list[i].scan_type = 2615 MWIFIEX_SCAN_TYPE_ACTIVE; 2616 2617 bgscan_cfg->chan_list[i].scan_time = 0; 2618 } 2619 2620 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2621 MWIFIEX_BG_SCAN_CHAN_MAX); 2622 2623 /* Use at least 15 second for per scan cycle */ 2624 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2625 MWIFIEX_BGSCAN_INTERVAL) ? 2626 request->scan_plans->interval : 2627 MWIFIEX_BGSCAN_INTERVAL; 2628 2629 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2630 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2631 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2632 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2633 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2634 bgscan_cfg->enable = true; 2635 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2636 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2637 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2638 } 2639 2640 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2641 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2642 kfree(bgscan_cfg); 2643 return -EFAULT; 2644 } 2645 2646 priv->sched_scanning = true; 2647 2648 kfree(bgscan_cfg); 2649 return 0; 2650 } 2651 2652 /* CFG802.11 operation handler for sched_scan_stop. 2653 * 2654 * This function issues a bgscan config command to disable 2655 * previous bgscan configuration in the firmware 2656 */ 2657 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2658 struct net_device *dev) 2659 { 2660 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2661 2662 wiphy_info(wiphy, "sched scan stop!"); 2663 mwifiex_stop_bg_scan(priv); 2664 2665 return 0; 2666 } 2667 2668 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2669 struct mwifiex_private *priv) 2670 { 2671 struct mwifiex_adapter *adapter = priv->adapter; 2672 2673 vht_info->vht_supported = true; 2674 2675 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2676 /* Update MCS support for VHT */ 2677 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2678 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2679 vht_info->vht_mcs.rx_highest = 0; 2680 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2681 adapter->hw_dot_11ac_mcs_support >> 16); 2682 vht_info->vht_mcs.tx_highest = 0; 2683 } 2684 2685 /* 2686 * This function sets up the CFG802.11 specific HT capability fields 2687 * with default values. 2688 * 2689 * The following default values are set - 2690 * - HT Supported = True 2691 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2692 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2693 * - HT Capabilities supported by firmware 2694 * - MCS information, Rx mask = 0xff 2695 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2696 */ 2697 static void 2698 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2699 struct mwifiex_private *priv) 2700 { 2701 int rx_mcs_supp; 2702 struct ieee80211_mcs_info mcs_set; 2703 u8 *mcs = (u8 *)&mcs_set; 2704 struct mwifiex_adapter *adapter = priv->adapter; 2705 2706 ht_info->ht_supported = true; 2707 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2708 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2709 2710 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2711 2712 /* Fill HT capability information */ 2713 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2714 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2715 else 2716 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2717 2718 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2719 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2720 else 2721 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2722 2723 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2724 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2725 else 2726 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2727 2728 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2729 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2730 else 2731 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2732 2733 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2734 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2735 else 2736 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2737 2738 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2739 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2740 else 2741 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2742 2743 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2744 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2745 else 2746 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2747 2748 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2749 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2750 else 2751 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2752 2753 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2754 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2755 2756 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2757 /* Set MCS for 1x1/2x2 */ 2758 memset(mcs, 0xff, rx_mcs_supp); 2759 /* Clear all the other values */ 2760 memset(&mcs[rx_mcs_supp], 0, 2761 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2762 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2763 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2764 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2765 SETHT_MCS32(mcs_set.rx_mask); 2766 2767 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2768 2769 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2770 } 2771 2772 /* 2773 * create a new virtual interface with the given name and name assign type 2774 */ 2775 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2776 const char *name, 2777 unsigned char name_assign_type, 2778 enum nl80211_iftype type, 2779 u32 *flags, 2780 struct vif_params *params) 2781 { 2782 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2783 struct mwifiex_private *priv; 2784 struct net_device *dev; 2785 void *mdev_priv; 2786 int ret; 2787 2788 if (!adapter) 2789 return ERR_PTR(-EFAULT); 2790 2791 switch (type) { 2792 case NL80211_IFTYPE_UNSPECIFIED: 2793 case NL80211_IFTYPE_STATION: 2794 case NL80211_IFTYPE_ADHOC: 2795 if (adapter->curr_iface_comb.sta_intf == 2796 adapter->iface_limit.sta_intf) { 2797 mwifiex_dbg(adapter, ERROR, 2798 "cannot create multiple sta/adhoc ifaces\n"); 2799 return ERR_PTR(-EINVAL); 2800 } 2801 2802 priv = mwifiex_get_unused_priv_by_bss_type( 2803 adapter, MWIFIEX_BSS_TYPE_STA); 2804 if (!priv) { 2805 mwifiex_dbg(adapter, ERROR, 2806 "could not get free private struct\n"); 2807 return ERR_PTR(-EFAULT); 2808 } 2809 2810 priv->wdev.wiphy = wiphy; 2811 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2812 2813 if (type == NL80211_IFTYPE_UNSPECIFIED) 2814 priv->bss_mode = NL80211_IFTYPE_STATION; 2815 else 2816 priv->bss_mode = type; 2817 2818 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2819 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2820 priv->bss_priority = 0; 2821 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2822 2823 break; 2824 case NL80211_IFTYPE_AP: 2825 if (adapter->curr_iface_comb.uap_intf == 2826 adapter->iface_limit.uap_intf) { 2827 mwifiex_dbg(adapter, ERROR, 2828 "cannot create multiple AP ifaces\n"); 2829 return ERR_PTR(-EINVAL); 2830 } 2831 2832 priv = mwifiex_get_unused_priv_by_bss_type( 2833 adapter, MWIFIEX_BSS_TYPE_UAP); 2834 if (!priv) { 2835 mwifiex_dbg(adapter, ERROR, 2836 "could not get free private struct\n"); 2837 return ERR_PTR(-EFAULT); 2838 } 2839 2840 priv->wdev.wiphy = wiphy; 2841 priv->wdev.iftype = NL80211_IFTYPE_AP; 2842 2843 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2844 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2845 priv->bss_priority = 0; 2846 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2847 priv->bss_started = 0; 2848 priv->bss_mode = type; 2849 2850 break; 2851 case NL80211_IFTYPE_P2P_CLIENT: 2852 if (adapter->curr_iface_comb.p2p_intf == 2853 adapter->iface_limit.p2p_intf) { 2854 mwifiex_dbg(adapter, ERROR, 2855 "cannot create multiple P2P ifaces\n"); 2856 return ERR_PTR(-EINVAL); 2857 } 2858 2859 priv = mwifiex_get_unused_priv_by_bss_type( 2860 adapter, MWIFIEX_BSS_TYPE_P2P); 2861 if (!priv) { 2862 mwifiex_dbg(adapter, ERROR, 2863 "could not get free private struct\n"); 2864 return ERR_PTR(-EFAULT); 2865 } 2866 2867 priv->wdev.wiphy = wiphy; 2868 /* At start-up, wpa_supplicant tries to change the interface 2869 * to NL80211_IFTYPE_STATION if it is not managed mode. 2870 */ 2871 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2872 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2873 2874 /* Setting bss_type to P2P tells firmware that this interface 2875 * is receiving P2P peers found during find phase and doing 2876 * action frame handshake. 2877 */ 2878 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2879 2880 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2881 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2882 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2883 priv->bss_started = 0; 2884 2885 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2886 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2887 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2888 return ERR_PTR(-EFAULT); 2889 } 2890 2891 break; 2892 default: 2893 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2894 return ERR_PTR(-EINVAL); 2895 } 2896 2897 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 2898 name_assign_type, ether_setup, 2899 IEEE80211_NUM_ACS, 1); 2900 if (!dev) { 2901 mwifiex_dbg(adapter, ERROR, 2902 "no memory available for netdevice\n"); 2903 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2904 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2905 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2906 return ERR_PTR(-ENOMEM); 2907 } 2908 2909 mwifiex_init_priv_params(priv, dev); 2910 priv->netdev = dev; 2911 2912 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 2913 HostCmd_ACT_GEN_SET, 0, NULL, true); 2914 if (ret) 2915 return ERR_PTR(ret); 2916 2917 ret = mwifiex_sta_init_cmd(priv, false, false); 2918 if (ret) 2919 return ERR_PTR(ret); 2920 2921 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 2922 if (adapter->is_hw_11ac_capable) 2923 mwifiex_setup_vht_caps( 2924 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 2925 2926 if (adapter->config_bands & BAND_A) 2927 mwifiex_setup_ht_caps( 2928 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 2929 2930 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 2931 mwifiex_setup_vht_caps( 2932 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 2933 2934 dev_net_set(dev, wiphy_net(wiphy)); 2935 dev->ieee80211_ptr = &priv->wdev; 2936 dev->ieee80211_ptr->iftype = priv->bss_mode; 2937 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); 2938 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 2939 2940 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 2941 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 2942 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 2943 dev->ethtool_ops = &mwifiex_ethtool_ops; 2944 2945 mdev_priv = netdev_priv(dev); 2946 *((unsigned long *) mdev_priv) = (unsigned long) priv; 2947 2948 SET_NETDEV_DEV(dev, adapter->dev); 2949 2950 /* Register network device */ 2951 if (register_netdevice(dev)) { 2952 mwifiex_dbg(adapter, ERROR, 2953 "cannot register virtual network device\n"); 2954 free_netdev(dev); 2955 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2956 priv->netdev = NULL; 2957 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2958 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2959 return ERR_PTR(-EFAULT); 2960 } 2961 2962 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 2963 WQ_HIGHPRI | 2964 WQ_MEM_RECLAIM | 2965 WQ_UNBOUND, 1, name); 2966 if (!priv->dfs_cac_workqueue) { 2967 mwifiex_dbg(adapter, ERROR, 2968 "cannot register virtual network device\n"); 2969 free_netdev(dev); 2970 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2971 priv->netdev = NULL; 2972 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2973 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2974 return ERR_PTR(-ENOMEM); 2975 } 2976 2977 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 2978 2979 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 2980 WQ_HIGHPRI | WQ_UNBOUND | 2981 WQ_MEM_RECLAIM, 1, name); 2982 if (!priv->dfs_chan_sw_workqueue) { 2983 mwifiex_dbg(adapter, ERROR, 2984 "cannot register virtual network device\n"); 2985 free_netdev(dev); 2986 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2987 priv->netdev = NULL; 2988 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2989 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2990 return ERR_PTR(-ENOMEM); 2991 } 2992 2993 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 2994 mwifiex_dfs_chan_sw_work_queue); 2995 2996 sema_init(&priv->async_sem, 1); 2997 2998 mwifiex_dbg(adapter, INFO, 2999 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3000 3001 #ifdef CONFIG_DEBUG_FS 3002 mwifiex_dev_debugfs_init(priv); 3003 #endif 3004 3005 switch (type) { 3006 case NL80211_IFTYPE_UNSPECIFIED: 3007 case NL80211_IFTYPE_STATION: 3008 case NL80211_IFTYPE_ADHOC: 3009 adapter->curr_iface_comb.sta_intf++; 3010 break; 3011 case NL80211_IFTYPE_AP: 3012 adapter->curr_iface_comb.uap_intf++; 3013 break; 3014 case NL80211_IFTYPE_P2P_CLIENT: 3015 adapter->curr_iface_comb.p2p_intf++; 3016 break; 3017 default: 3018 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3019 return ERR_PTR(-EINVAL); 3020 } 3021 3022 return &priv->wdev; 3023 } 3024 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3025 3026 /* 3027 * del_virtual_intf: remove the virtual interface determined by dev 3028 */ 3029 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3030 { 3031 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3032 struct mwifiex_adapter *adapter = priv->adapter; 3033 struct sk_buff *skb, *tmp; 3034 3035 #ifdef CONFIG_DEBUG_FS 3036 mwifiex_dev_debugfs_remove(priv); 3037 #endif 3038 3039 if (priv->sched_scanning) 3040 priv->sched_scanning = false; 3041 3042 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3043 3044 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) 3045 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3046 3047 if (netif_carrier_ok(priv->netdev)) 3048 netif_carrier_off(priv->netdev); 3049 3050 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3051 unregister_netdevice(wdev->netdev); 3052 3053 if (priv->dfs_cac_workqueue) { 3054 flush_workqueue(priv->dfs_cac_workqueue); 3055 destroy_workqueue(priv->dfs_cac_workqueue); 3056 priv->dfs_cac_workqueue = NULL; 3057 } 3058 3059 if (priv->dfs_chan_sw_workqueue) { 3060 flush_workqueue(priv->dfs_chan_sw_workqueue); 3061 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3062 priv->dfs_chan_sw_workqueue = NULL; 3063 } 3064 /* Clear the priv in adapter */ 3065 priv->netdev->ieee80211_ptr = NULL; 3066 priv->netdev = NULL; 3067 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3068 3069 priv->media_connected = false; 3070 3071 switch (priv->bss_mode) { 3072 case NL80211_IFTYPE_UNSPECIFIED: 3073 case NL80211_IFTYPE_STATION: 3074 case NL80211_IFTYPE_ADHOC: 3075 adapter->curr_iface_comb.sta_intf--; 3076 break; 3077 case NL80211_IFTYPE_AP: 3078 adapter->curr_iface_comb.uap_intf--; 3079 break; 3080 case NL80211_IFTYPE_P2P_CLIENT: 3081 case NL80211_IFTYPE_P2P_GO: 3082 adapter->curr_iface_comb.p2p_intf--; 3083 break; 3084 default: 3085 mwifiex_dbg(adapter, ERROR, 3086 "del_virtual_intf: type not supported\n"); 3087 break; 3088 } 3089 3090 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3091 3092 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3093 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3094 kfree(priv->hist_data); 3095 3096 return 0; 3097 } 3098 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3099 3100 static bool 3101 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3102 u8 max_byte_seq) 3103 { 3104 int j, k, valid_byte_cnt = 0; 3105 bool dont_care_byte = false; 3106 3107 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3108 for (k = 0; k < 8; k++) { 3109 if (pat->mask[j] & 1 << k) { 3110 memcpy(byte_seq + valid_byte_cnt, 3111 &pat->pattern[j * 8 + k], 1); 3112 valid_byte_cnt++; 3113 if (dont_care_byte) 3114 return false; 3115 } else { 3116 if (valid_byte_cnt) 3117 dont_care_byte = true; 3118 } 3119 3120 /* wildcard bytes record as the offset 3121 * before the valid byte 3122 */ 3123 if (!valid_byte_cnt && !dont_care_byte) 3124 pat->pkt_offset++; 3125 3126 if (valid_byte_cnt > max_byte_seq) 3127 return false; 3128 } 3129 } 3130 3131 byte_seq[max_byte_seq] = valid_byte_cnt; 3132 3133 return true; 3134 } 3135 3136 #ifdef CONFIG_PM 3137 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3138 struct mwifiex_mef_entry *mef_entry) 3139 { 3140 int i, filt_num = 0, num_ipv4 = 0; 3141 struct in_device *in_dev; 3142 struct in_ifaddr *ifa; 3143 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3144 struct mwifiex_adapter *adapter = priv->adapter; 3145 3146 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3147 mef_entry->action = MEF_ACTION_AUTO_ARP; 3148 3149 /* Enable ARP offload feature */ 3150 memset(ips, 0, sizeof(ips)); 3151 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3152 if (adapter->priv[i]->netdev) { 3153 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3154 if (!in_dev) 3155 continue; 3156 ifa = in_dev->ifa_list; 3157 if (!ifa || !ifa->ifa_local) 3158 continue; 3159 ips[i] = ifa->ifa_local; 3160 num_ipv4++; 3161 } 3162 } 3163 3164 for (i = 0; i < num_ipv4; i++) { 3165 if (!ips[i]) 3166 continue; 3167 mef_entry->filter[filt_num].repeat = 1; 3168 memcpy(mef_entry->filter[filt_num].byte_seq, 3169 (u8 *)&ips[i], sizeof(ips[i])); 3170 mef_entry->filter[filt_num]. 3171 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3172 sizeof(ips[i]); 3173 mef_entry->filter[filt_num].offset = 46; 3174 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3175 if (filt_num) { 3176 mef_entry->filter[filt_num].filt_action = 3177 TYPE_OR; 3178 } 3179 filt_num++; 3180 } 3181 3182 mef_entry->filter[filt_num].repeat = 1; 3183 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3184 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3185 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3186 mef_entry->filter[filt_num].offset = 20; 3187 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3188 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3189 } 3190 3191 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3192 struct mwifiex_ds_mef_cfg *mef_cfg, 3193 struct mwifiex_mef_entry *mef_entry, 3194 struct cfg80211_wowlan *wowlan) 3195 { 3196 int i, filt_num = 0, ret = 0; 3197 bool first_pat = true; 3198 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3199 const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3200 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3201 3202 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3203 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3204 3205 for (i = 0; i < wowlan->n_patterns; i++) { 3206 memset(byte_seq, 0, sizeof(byte_seq)); 3207 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3208 byte_seq, 3209 MWIFIEX_MEF_MAX_BYTESEQ)) { 3210 mwifiex_dbg(priv->adapter, ERROR, 3211 "Pattern not supported\n"); 3212 return -EOPNOTSUPP; 3213 } 3214 3215 if (!wowlan->patterns[i].pkt_offset) { 3216 if (!(byte_seq[0] & 0x01) && 3217 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3218 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3219 continue; 3220 } else if (is_broadcast_ether_addr(byte_seq)) { 3221 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3222 continue; 3223 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3224 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3225 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3226 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3227 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3228 continue; 3229 } 3230 } 3231 mef_entry->filter[filt_num].repeat = 1; 3232 mef_entry->filter[filt_num].offset = 3233 wowlan->patterns[i].pkt_offset; 3234 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3235 sizeof(byte_seq)); 3236 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3237 3238 if (first_pat) { 3239 first_pat = false; 3240 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3241 } else { 3242 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3243 } 3244 3245 filt_num++; 3246 } 3247 3248 if (wowlan->magic_pkt) { 3249 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3250 mef_entry->filter[filt_num].repeat = 16; 3251 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3252 ETH_ALEN); 3253 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3254 ETH_ALEN; 3255 mef_entry->filter[filt_num].offset = 28; 3256 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3257 if (filt_num) 3258 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3259 3260 filt_num++; 3261 mef_entry->filter[filt_num].repeat = 16; 3262 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3263 ETH_ALEN); 3264 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3265 ETH_ALEN; 3266 mef_entry->filter[filt_num].offset = 56; 3267 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3268 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3269 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3270 } 3271 return ret; 3272 } 3273 3274 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3275 struct cfg80211_wowlan *wowlan) 3276 { 3277 int ret = 0, num_entries = 1; 3278 struct mwifiex_ds_mef_cfg mef_cfg; 3279 struct mwifiex_mef_entry *mef_entry; 3280 3281 if (wowlan->n_patterns || wowlan->magic_pkt) 3282 num_entries++; 3283 3284 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3285 if (!mef_entry) 3286 return -ENOMEM; 3287 3288 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3289 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3290 MWIFIEX_CRITERIA_UNICAST; 3291 mef_cfg.num_entries = num_entries; 3292 mef_cfg.mef_entry = mef_entry; 3293 3294 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3295 3296 if (wowlan->n_patterns || wowlan->magic_pkt) { 3297 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3298 &mef_entry[1], wowlan); 3299 if (ret) 3300 goto err; 3301 } 3302 3303 if (!mef_cfg.criteria) 3304 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3305 MWIFIEX_CRITERIA_UNICAST | 3306 MWIFIEX_CRITERIA_MULTICAST; 3307 3308 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3309 HostCmd_ACT_GEN_SET, 0, 3310 &mef_cfg, true); 3311 3312 err: 3313 kfree(mef_entry); 3314 return ret; 3315 } 3316 3317 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3318 struct cfg80211_wowlan *wowlan) 3319 { 3320 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3321 struct mwifiex_ds_hs_cfg hs_cfg; 3322 int i, ret = 0, retry_num = 10; 3323 struct mwifiex_private *priv; 3324 struct mwifiex_private *sta_priv = 3325 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3326 3327 sta_priv->scan_aborting = true; 3328 for (i = 0; i < adapter->priv_num; i++) { 3329 priv = adapter->priv[i]; 3330 mwifiex_abort_cac(priv); 3331 } 3332 3333 mwifiex_cancel_all_pending_cmd(adapter); 3334 3335 for (i = 0; i < adapter->priv_num; i++) { 3336 priv = adapter->priv[i]; 3337 if (priv && priv->netdev) { 3338 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3339 if (netif_carrier_ok(priv->netdev)) 3340 netif_carrier_off(priv->netdev); 3341 } 3342 } 3343 3344 for (i = 0; i < retry_num; i++) { 3345 if (!mwifiex_wmm_lists_empty(adapter) || 3346 !mwifiex_bypass_txlist_empty(adapter) || 3347 !skb_queue_empty(&adapter->tx_data_q)) 3348 usleep_range(10000, 15000); 3349 else 3350 break; 3351 } 3352 3353 if (!wowlan) { 3354 mwifiex_dbg(adapter, ERROR, 3355 "None of the WOWLAN triggers enabled\n"); 3356 ret = 0; 3357 goto done; 3358 } 3359 3360 if (!sta_priv->media_connected && !wowlan->nd_config) { 3361 mwifiex_dbg(adapter, ERROR, 3362 "Can not configure WOWLAN in disconnected state\n"); 3363 ret = 0; 3364 goto done; 3365 } 3366 3367 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3368 if (ret) { 3369 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3370 goto done; 3371 } 3372 3373 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3374 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3375 3376 if (wowlan->nd_config) { 3377 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3378 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3379 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3380 wowlan->nd_config); 3381 } 3382 3383 if (wowlan->disconnect) { 3384 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3385 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3386 } 3387 3388 hs_cfg.is_invoke_hostcmd = false; 3389 hs_cfg.gpio = adapter->hs_cfg.gpio; 3390 hs_cfg.gap = adapter->hs_cfg.gap; 3391 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3392 MWIFIEX_SYNC_CMD, &hs_cfg); 3393 if (ret) 3394 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3395 3396 done: 3397 sta_priv->scan_aborting = false; 3398 return ret; 3399 } 3400 3401 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3402 { 3403 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3404 struct mwifiex_private *priv; 3405 struct mwifiex_ds_wakeup_reason wakeup_reason; 3406 struct cfg80211_wowlan_wakeup wakeup_report; 3407 int i; 3408 bool report_wakeup_reason = true; 3409 3410 for (i = 0; i < adapter->priv_num; i++) { 3411 priv = adapter->priv[i]; 3412 if (priv && priv->netdev) { 3413 if (!netif_carrier_ok(priv->netdev)) 3414 netif_carrier_on(priv->netdev); 3415 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); 3416 } 3417 } 3418 3419 if (!wiphy->wowlan_config) 3420 goto done; 3421 3422 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3423 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3424 &wakeup_reason); 3425 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3426 3427 wakeup_report.pattern_idx = -1; 3428 3429 switch (wakeup_reason.hs_wakeup_reason) { 3430 case NO_HSWAKEUP_REASON: 3431 break; 3432 case BCAST_DATA_MATCHED: 3433 break; 3434 case MCAST_DATA_MATCHED: 3435 break; 3436 case UCAST_DATA_MATCHED: 3437 break; 3438 case MASKTABLE_EVENT_MATCHED: 3439 break; 3440 case NON_MASKABLE_EVENT_MATCHED: 3441 if (wiphy->wowlan_config->disconnect) 3442 wakeup_report.disconnect = true; 3443 if (wiphy->wowlan_config->nd_config) 3444 wakeup_report.net_detect = adapter->nd_info; 3445 break; 3446 case NON_MASKABLE_CONDITION_MATCHED: 3447 break; 3448 case MAGIC_PATTERN_MATCHED: 3449 if (wiphy->wowlan_config->magic_pkt) 3450 wakeup_report.magic_pkt = true; 3451 if (wiphy->wowlan_config->n_patterns) 3452 wakeup_report.pattern_idx = 1; 3453 break; 3454 case GTK_REKEY_FAILURE: 3455 if (wiphy->wowlan_config->gtk_rekey_failure) 3456 wakeup_report.gtk_rekey_failure = true; 3457 break; 3458 default: 3459 report_wakeup_reason = false; 3460 break; 3461 } 3462 3463 if (report_wakeup_reason) 3464 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3465 GFP_KERNEL); 3466 3467 done: 3468 if (adapter->nd_info) { 3469 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3470 kfree(adapter->nd_info->matches[i]); 3471 kfree(adapter->nd_info); 3472 adapter->nd_info = NULL; 3473 } 3474 3475 return 0; 3476 } 3477 3478 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3479 bool enabled) 3480 { 3481 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3482 3483 device_set_wakeup_enable(adapter->dev, enabled); 3484 } 3485 3486 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3487 struct cfg80211_gtk_rekey_data *data) 3488 { 3489 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3490 3491 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3492 HostCmd_ACT_GEN_SET, 0, data, true); 3493 } 3494 3495 #endif 3496 3497 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3498 { 3499 const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3500 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3501 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3502 3503 if ((byte_seq[0] & 0x01) && 3504 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3505 return PACKET_TYPE_UNICAST; 3506 else if (!memcmp(byte_seq, bc_mac, 4)) 3507 return PACKET_TYPE_BROADCAST; 3508 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3509 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3510 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3511 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3512 return PACKET_TYPE_MULTICAST; 3513 3514 return 0; 3515 } 3516 3517 static int 3518 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3519 struct cfg80211_coalesce_rules *crule, 3520 struct mwifiex_coalesce_rule *mrule) 3521 { 3522 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3523 struct filt_field_param *param; 3524 int i; 3525 3526 mrule->max_coalescing_delay = crule->delay; 3527 3528 param = mrule->params; 3529 3530 for (i = 0; i < crule->n_patterns; i++) { 3531 memset(byte_seq, 0, sizeof(byte_seq)); 3532 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3533 byte_seq, 3534 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3535 mwifiex_dbg(priv->adapter, ERROR, 3536 "Pattern not supported\n"); 3537 return -EOPNOTSUPP; 3538 } 3539 3540 if (!crule->patterns[i].pkt_offset) { 3541 u8 pkt_type; 3542 3543 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3544 if (pkt_type && mrule->pkt_type) { 3545 mwifiex_dbg(priv->adapter, ERROR, 3546 "Multiple packet types not allowed\n"); 3547 return -EOPNOTSUPP; 3548 } else if (pkt_type) { 3549 mrule->pkt_type = pkt_type; 3550 continue; 3551 } 3552 } 3553 3554 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3555 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3556 else 3557 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3558 3559 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3560 memcpy(param->operand_byte_stream, byte_seq, 3561 param->operand_len); 3562 param->offset = crule->patterns[i].pkt_offset; 3563 param++; 3564 3565 mrule->num_of_fields++; 3566 } 3567 3568 if (!mrule->pkt_type) { 3569 mwifiex_dbg(priv->adapter, ERROR, 3570 "Packet type can not be determined\n"); 3571 return -EOPNOTSUPP; 3572 } 3573 3574 return 0; 3575 } 3576 3577 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3578 struct cfg80211_coalesce *coalesce) 3579 { 3580 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3581 int i, ret; 3582 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3583 struct mwifiex_private *priv = 3584 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3585 3586 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3587 if (!coalesce) { 3588 mwifiex_dbg(adapter, WARN, 3589 "Disable coalesce and reset all previous rules\n"); 3590 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3591 HostCmd_ACT_GEN_SET, 0, 3592 &coalesce_cfg, true); 3593 } 3594 3595 coalesce_cfg.num_of_rules = coalesce->n_rules; 3596 for (i = 0; i < coalesce->n_rules; i++) { 3597 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3598 &coalesce_cfg.rule[i]); 3599 if (ret) { 3600 mwifiex_dbg(adapter, ERROR, 3601 "Recheck the patterns provided for rule %d\n", 3602 i + 1); 3603 return ret; 3604 } 3605 } 3606 3607 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3608 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3609 } 3610 3611 /* cfg80211 ops handler for tdls_mgmt. 3612 * Function prepares TDLS action frame packets and forwards them to FW 3613 */ 3614 static int 3615 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3616 const u8 *peer, u8 action_code, u8 dialog_token, 3617 u16 status_code, u32 peer_capability, 3618 bool initiator, const u8 *extra_ies, 3619 size_t extra_ies_len) 3620 { 3621 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3622 int ret; 3623 3624 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3625 return -ENOTSUPP; 3626 3627 /* make sure we are in station mode and connected */ 3628 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3629 return -ENOTSUPP; 3630 3631 switch (action_code) { 3632 case WLAN_TDLS_SETUP_REQUEST: 3633 mwifiex_dbg(priv->adapter, MSG, 3634 "Send TDLS Setup Request to %pM status_code=%d\n", 3635 peer, status_code); 3636 mwifiex_add_auto_tdls_peer(priv, peer); 3637 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3638 dialog_token, status_code, 3639 extra_ies, extra_ies_len); 3640 break; 3641 case WLAN_TDLS_SETUP_RESPONSE: 3642 mwifiex_add_auto_tdls_peer(priv, peer); 3643 mwifiex_dbg(priv->adapter, MSG, 3644 "Send TDLS Setup Response to %pM status_code=%d\n", 3645 peer, status_code); 3646 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3647 dialog_token, status_code, 3648 extra_ies, extra_ies_len); 3649 break; 3650 case WLAN_TDLS_SETUP_CONFIRM: 3651 mwifiex_dbg(priv->adapter, MSG, 3652 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3653 status_code); 3654 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3655 dialog_token, status_code, 3656 extra_ies, extra_ies_len); 3657 break; 3658 case WLAN_TDLS_TEARDOWN: 3659 mwifiex_dbg(priv->adapter, MSG, 3660 "Send TDLS Tear down to %pM\n", peer); 3661 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3662 dialog_token, status_code, 3663 extra_ies, extra_ies_len); 3664 break; 3665 case WLAN_TDLS_DISCOVERY_REQUEST: 3666 mwifiex_dbg(priv->adapter, MSG, 3667 "Send TDLS Discovery Request to %pM\n", peer); 3668 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3669 dialog_token, status_code, 3670 extra_ies, extra_ies_len); 3671 break; 3672 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3673 mwifiex_dbg(priv->adapter, MSG, 3674 "Send TDLS Discovery Response to %pM\n", peer); 3675 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3676 dialog_token, status_code, 3677 extra_ies, extra_ies_len); 3678 break; 3679 default: 3680 mwifiex_dbg(priv->adapter, ERROR, 3681 "Unknown TDLS mgmt/action frame %pM\n", peer); 3682 ret = -EINVAL; 3683 break; 3684 } 3685 3686 return ret; 3687 } 3688 3689 static int 3690 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3691 const u8 *peer, enum nl80211_tdls_operation action) 3692 { 3693 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3694 3695 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3696 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3697 return -ENOTSUPP; 3698 3699 /* make sure we are in station mode and connected */ 3700 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3701 return -ENOTSUPP; 3702 3703 mwifiex_dbg(priv->adapter, MSG, 3704 "TDLS peer=%pM, oper=%d\n", peer, action); 3705 3706 switch (action) { 3707 case NL80211_TDLS_ENABLE_LINK: 3708 action = MWIFIEX_TDLS_ENABLE_LINK; 3709 break; 3710 case NL80211_TDLS_DISABLE_LINK: 3711 action = MWIFIEX_TDLS_DISABLE_LINK; 3712 break; 3713 case NL80211_TDLS_TEARDOWN: 3714 /* shouldn't happen!*/ 3715 mwifiex_dbg(priv->adapter, ERROR, 3716 "tdls_oper: teardown from driver not supported\n"); 3717 return -EINVAL; 3718 case NL80211_TDLS_SETUP: 3719 /* shouldn't happen!*/ 3720 mwifiex_dbg(priv->adapter, ERROR, 3721 "tdls_oper: setup from driver not supported\n"); 3722 return -EINVAL; 3723 case NL80211_TDLS_DISCOVERY_REQ: 3724 /* shouldn't happen!*/ 3725 mwifiex_dbg(priv->adapter, ERROR, 3726 "tdls_oper: discovery from driver not supported\n"); 3727 return -EINVAL; 3728 default: 3729 mwifiex_dbg(priv->adapter, ERROR, 3730 "tdls_oper: operation not supported\n"); 3731 return -ENOTSUPP; 3732 } 3733 3734 return mwifiex_tdls_oper(priv, peer, action); 3735 } 3736 3737 static int 3738 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3739 const u8 *addr, u8 oper_class, 3740 struct cfg80211_chan_def *chandef) 3741 { 3742 struct mwifiex_sta_node *sta_ptr; 3743 unsigned long flags; 3744 u16 chan; 3745 u8 second_chan_offset, band; 3746 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3747 3748 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3749 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3750 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3751 3752 if (!sta_ptr) { 3753 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3754 __func__, addr); 3755 return -ENOENT; 3756 } 3757 3758 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3759 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3760 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3761 return -ENOENT; 3762 } 3763 3764 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3765 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3766 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3767 return -EALREADY; 3768 } 3769 3770 chan = chandef->chan->hw_value; 3771 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3772 band = chandef->chan->band; 3773 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3774 3775 return 0; 3776 } 3777 3778 static void 3779 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3780 struct net_device *dev, 3781 const u8 *addr) 3782 { 3783 struct mwifiex_sta_node *sta_ptr; 3784 unsigned long flags; 3785 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3786 3787 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3788 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3789 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3790 3791 if (!sta_ptr) { 3792 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3793 __func__, addr); 3794 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3795 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3796 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3797 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3798 addr); 3799 } else 3800 mwifiex_stop_tdls_cs(priv, addr); 3801 } 3802 3803 static int 3804 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3805 const u8 *mac, struct station_parameters *params) 3806 { 3807 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3808 3809 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3810 return -ENOTSUPP; 3811 3812 /* make sure we are in station mode and connected */ 3813 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3814 return -ENOTSUPP; 3815 3816 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3817 } 3818 3819 static int 3820 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3821 struct cfg80211_csa_settings *params) 3822 { 3823 struct ieee_types_header *chsw_ie; 3824 struct ieee80211_channel_sw_ie *channel_sw; 3825 int chsw_msec; 3826 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3827 3828 if (priv->adapter->scan_processing) { 3829 mwifiex_dbg(priv->adapter, ERROR, 3830 "radar detection: scan in process...\n"); 3831 return -EBUSY; 3832 } 3833 3834 if (priv->wdev.cac_started) 3835 return -EBUSY; 3836 3837 if (cfg80211_chandef_identical(¶ms->chandef, 3838 &priv->dfs_chandef)) 3839 return -EINVAL; 3840 3841 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3842 params->beacon_csa.tail, 3843 params->beacon_csa.tail_len); 3844 if (!chsw_ie) { 3845 mwifiex_dbg(priv->adapter, ERROR, 3846 "Could not parse channel switch announcement IE\n"); 3847 return -EINVAL; 3848 } 3849 3850 channel_sw = (void *)(chsw_ie + 1); 3851 if (channel_sw->mode) { 3852 if (netif_carrier_ok(priv->netdev)) 3853 netif_carrier_off(priv->netdev); 3854 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3855 } 3856 3857 if (mwifiex_del_mgmt_ies(priv)) 3858 mwifiex_dbg(priv->adapter, ERROR, 3859 "Failed to delete mgmt IEs!\n"); 3860 3861 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3862 mwifiex_dbg(priv->adapter, ERROR, 3863 "%s: setting mgmt ies failed\n", __func__); 3864 return -EFAULT; 3865 } 3866 3867 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3868 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3869 sizeof(priv->beacon_after)); 3870 3871 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3872 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3873 msecs_to_jiffies(chsw_msec)); 3874 return 0; 3875 } 3876 3877 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3878 struct wireless_dev *wdev, 3879 struct cfg80211_chan_def *chandef) 3880 { 3881 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3882 struct mwifiex_bssdescriptor *curr_bss; 3883 struct ieee80211_channel *chan; 3884 u8 second_chan_offset; 3885 enum nl80211_channel_type chan_type; 3886 enum nl80211_band band; 3887 int freq; 3888 int ret = -ENODATA; 3889 3890 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 3891 cfg80211_chandef_valid(&priv->bss_chandef)) { 3892 *chandef = priv->bss_chandef; 3893 ret = 0; 3894 } else if (priv->media_connected) { 3895 curr_bss = &priv->curr_bss_params.bss_descriptor; 3896 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 3897 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 3898 chan = ieee80211_get_channel(wiphy, freq); 3899 3900 if (priv->ht_param_present) { 3901 second_chan_offset = priv->assoc_resp_ht_param & 3902 IEEE80211_HT_PARAM_CHA_SEC_OFFSET; 3903 chan_type = mwifiex_sec_chan_offset_to_chan_type 3904 (second_chan_offset); 3905 cfg80211_chandef_create(chandef, chan, chan_type); 3906 } else { 3907 cfg80211_chandef_create(chandef, chan, 3908 NL80211_CHAN_NO_HT); 3909 } 3910 ret = 0; 3911 } 3912 3913 return ret; 3914 } 3915 3916 static int 3917 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 3918 struct net_device *dev, 3919 struct cfg80211_chan_def *chandef, 3920 u32 cac_time_ms) 3921 { 3922 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3923 struct mwifiex_radar_params radar_params; 3924 3925 if (priv->adapter->scan_processing) { 3926 mwifiex_dbg(priv->adapter, ERROR, 3927 "radar detection: scan already in process...\n"); 3928 return -EBUSY; 3929 } 3930 3931 if (!mwifiex_is_11h_active(priv)) { 3932 mwifiex_dbg(priv->adapter, INFO, 3933 "Enable 11h extensions in FW\n"); 3934 if (mwifiex_11h_activate(priv, true)) { 3935 mwifiex_dbg(priv->adapter, ERROR, 3936 "Failed to activate 11h extensions!!"); 3937 return -1; 3938 } 3939 priv->state_11h.is_11h_active = true; 3940 } 3941 3942 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 3943 radar_params.chandef = chandef; 3944 radar_params.cac_time_ms = cac_time_ms; 3945 3946 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 3947 3948 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 3949 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 3950 return -1; 3951 3952 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 3953 msecs_to_jiffies(cac_time_ms)); 3954 return 0; 3955 } 3956 3957 static int 3958 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 3959 const u8 *mac, 3960 struct station_parameters *params) 3961 { 3962 int ret; 3963 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3964 3965 /* we support change_station handler only for TDLS peers*/ 3966 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3967 return -ENOTSUPP; 3968 3969 /* make sure we are in station mode and connected */ 3970 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3971 return -ENOTSUPP; 3972 3973 priv->sta_params = params; 3974 3975 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 3976 priv->sta_params = NULL; 3977 3978 return ret; 3979 } 3980 3981 /* station cfg80211 operations */ 3982 static struct cfg80211_ops mwifiex_cfg80211_ops = { 3983 .add_virtual_intf = mwifiex_add_virtual_intf, 3984 .del_virtual_intf = mwifiex_del_virtual_intf, 3985 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 3986 .scan = mwifiex_cfg80211_scan, 3987 .connect = mwifiex_cfg80211_connect, 3988 .disconnect = mwifiex_cfg80211_disconnect, 3989 .get_station = mwifiex_cfg80211_get_station, 3990 .dump_station = mwifiex_cfg80211_dump_station, 3991 .dump_survey = mwifiex_cfg80211_dump_survey, 3992 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 3993 .join_ibss = mwifiex_cfg80211_join_ibss, 3994 .leave_ibss = mwifiex_cfg80211_leave_ibss, 3995 .add_key = mwifiex_cfg80211_add_key, 3996 .del_key = mwifiex_cfg80211_del_key, 3997 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 3998 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 3999 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4000 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4001 .set_default_key = mwifiex_cfg80211_set_default_key, 4002 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4003 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4004 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4005 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4006 .start_ap = mwifiex_cfg80211_start_ap, 4007 .stop_ap = mwifiex_cfg80211_stop_ap, 4008 .change_beacon = mwifiex_cfg80211_change_beacon, 4009 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4010 .set_antenna = mwifiex_cfg80211_set_antenna, 4011 .get_antenna = mwifiex_cfg80211_get_antenna, 4012 .del_station = mwifiex_cfg80211_del_station, 4013 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4014 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4015 #ifdef CONFIG_PM 4016 .suspend = mwifiex_cfg80211_suspend, 4017 .resume = mwifiex_cfg80211_resume, 4018 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4019 .set_rekey_data = mwifiex_set_rekey_data, 4020 #endif 4021 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4022 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4023 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4024 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4025 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4026 .add_station = mwifiex_cfg80211_add_station, 4027 .change_station = mwifiex_cfg80211_change_station, 4028 .get_channel = mwifiex_cfg80211_get_channel, 4029 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4030 .channel_switch = mwifiex_cfg80211_channel_switch, 4031 }; 4032 4033 #ifdef CONFIG_PM 4034 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4035 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4036 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4037 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4038 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4039 .pattern_min_len = 1, 4040 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4041 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4042 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4043 }; 4044 #endif 4045 4046 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4047 { 4048 if (!alpha2 || strlen(alpha2) != 2) 4049 return false; 4050 4051 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4052 return true; 4053 4054 return false; 4055 } 4056 4057 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4058 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4059 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4060 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4061 .pattern_min_len = 1, 4062 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4063 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4064 }; 4065 4066 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4067 { 4068 u32 n_channels_bg, n_channels_a = 0; 4069 4070 n_channels_bg = mwifiex_band_2ghz.n_channels; 4071 4072 if (adapter->config_bands & BAND_A) 4073 n_channels_a = mwifiex_band_5ghz.n_channels; 4074 4075 adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a); 4076 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * 4077 adapter->num_in_chan_stats); 4078 4079 if (!adapter->chan_stats) 4080 return -ENOMEM; 4081 4082 return 0; 4083 } 4084 4085 /* 4086 * This function registers the device with CFG802.11 subsystem. 4087 * 4088 * The function creates the wireless device/wiphy, populates it with 4089 * default parameters and handler function pointers, and finally 4090 * registers the device. 4091 */ 4092 4093 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4094 { 4095 int ret; 4096 void *wdev_priv; 4097 struct wiphy *wiphy; 4098 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4099 u8 *country_code; 4100 u32 thr, retry; 4101 4102 /* create a new wiphy for use with cfg80211 */ 4103 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4104 sizeof(struct mwifiex_adapter *)); 4105 if (!wiphy) { 4106 mwifiex_dbg(adapter, ERROR, 4107 "%s: creating new wiphy\n", __func__); 4108 return -ENOMEM; 4109 } 4110 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4111 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4112 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4113 wiphy->max_remain_on_channel_duration = 5000; 4114 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4115 BIT(NL80211_IFTYPE_ADHOC) | 4116 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4117 BIT(NL80211_IFTYPE_P2P_GO) | 4118 BIT(NL80211_IFTYPE_AP); 4119 4120 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4121 if (adapter->config_bands & BAND_A) 4122 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4123 else 4124 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4125 4126 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4127 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4128 else if (adapter->is_hw_11ac_capable) 4129 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4130 else 4131 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4132 wiphy->n_iface_combinations = 1; 4133 4134 /* Initialize cipher suits */ 4135 wiphy->cipher_suites = mwifiex_cipher_suites; 4136 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4137 4138 if (adapter->region_code) 4139 wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS | 4140 REGULATORY_COUNTRY_IE_IGNORE; 4141 4142 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4143 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4144 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4145 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4146 WIPHY_FLAG_AP_UAPSD | 4147 WIPHY_FLAG_SUPPORTS_SCHED_SCAN | 4148 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4149 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4150 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4151 4152 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4153 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4154 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4155 4156 #ifdef CONFIG_PM 4157 wiphy->wowlan = &mwifiex_wowlan_support; 4158 #endif 4159 4160 wiphy->coalesce = &mwifiex_coalesce_support; 4161 4162 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4163 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4164 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4165 4166 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4167 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4168 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4169 4170 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4171 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4172 4173 wiphy->features |= NL80211_FEATURE_HT_IBSS | 4174 NL80211_FEATURE_INACTIVITY_TIMER | 4175 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4176 NL80211_FEATURE_NEED_OBSS_SCAN; 4177 4178 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4179 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4180 4181 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4182 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4183 4184 /* Reserve space for mwifiex specific private data for BSS */ 4185 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4186 4187 wiphy->reg_notifier = mwifiex_reg_notifier; 4188 4189 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4190 wdev_priv = wiphy_priv(wiphy); 4191 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4192 4193 set_wiphy_dev(wiphy, priv->adapter->dev); 4194 4195 ret = wiphy_register(wiphy); 4196 if (ret < 0) { 4197 mwifiex_dbg(adapter, ERROR, 4198 "%s: wiphy_register failed: %d\n", __func__, ret); 4199 wiphy_free(wiphy); 4200 return ret; 4201 } 4202 4203 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4204 mwifiex_dbg(adapter, INFO, 4205 "driver hint alpha2: %2.2s\n", reg_alpha2); 4206 regulatory_hint(wiphy, reg_alpha2); 4207 } else { 4208 if (adapter->region_code == 0x00) { 4209 mwifiex_dbg(adapter, WARN, "Ignore world regulatory domain\n"); 4210 } else { 4211 country_code = 4212 mwifiex_11d_code_2_region(adapter->region_code); 4213 if (country_code && 4214 regulatory_hint(wiphy, country_code)) 4215 mwifiex_dbg(priv->adapter, ERROR, "regulatory_hint() failed\n"); 4216 } 4217 } 4218 4219 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4220 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4221 wiphy->frag_threshold = thr; 4222 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4223 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4224 wiphy->rts_threshold = thr; 4225 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4226 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4227 wiphy->retry_short = (u8) retry; 4228 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4229 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4230 wiphy->retry_long = (u8) retry; 4231 4232 adapter->wiphy = wiphy; 4233 return ret; 4234 } 4235