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 static 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 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr)); 180 skb_put_data(skb, addr, ETH_ALEN); 181 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr), 182 len - sizeof(struct ieee80211_hdr_3addr)); 183 184 skb->priority = LOW_PRIO_TID; 185 __net_timestamp(skb); 186 187 return 0; 188 } 189 190 /* 191 * CFG802.11 operation handler to transmit a management frame. 192 */ 193 static int 194 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 195 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 196 { 197 const u8 *buf = params->buf; 198 size_t len = params->len; 199 struct sk_buff *skb; 200 u16 pkt_len; 201 const struct ieee80211_mgmt *mgmt; 202 struct mwifiex_txinfo *tx_info; 203 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 204 205 if (!buf || !len) { 206 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); 207 return -EFAULT; 208 } 209 210 mgmt = (const struct ieee80211_mgmt *)buf; 211 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && 212 ieee80211_is_probe_resp(mgmt->frame_control)) { 213 /* Since we support offload probe resp, we need to skip probe 214 * resp in AP or GO mode */ 215 mwifiex_dbg(priv->adapter, INFO, 216 "info: skip to send probe resp in AP or GO mode\n"); 217 return 0; 218 } 219 220 pkt_len = len + ETH_ALEN; 221 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 222 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 223 pkt_len + sizeof(pkt_len)); 224 225 if (!skb) { 226 mwifiex_dbg(priv->adapter, ERROR, 227 "allocate skb failed for management frame\n"); 228 return -ENOMEM; 229 } 230 231 tx_info = MWIFIEX_SKB_TXCB(skb); 232 memset(tx_info, 0, sizeof(*tx_info)); 233 tx_info->bss_num = priv->bss_num; 234 tx_info->bss_type = priv->bss_type; 235 tx_info->pkt_len = pkt_len; 236 237 mwifiex_form_mgmt_frame(skb, buf, len); 238 *cookie = prandom_u32() | 1; 239 240 if (ieee80211_is_action(mgmt->frame_control)) 241 skb = mwifiex_clone_skb_for_tx_status(priv, 242 skb, 243 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); 244 else 245 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 246 GFP_ATOMIC); 247 248 mwifiex_queue_tx_pkt(priv, skb); 249 250 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 251 return 0; 252 } 253 254 /* 255 * CFG802.11 operation handler to register a mgmt frame. 256 */ 257 static void 258 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, 259 struct wireless_dev *wdev, 260 u16 frame_type, bool reg) 261 { 262 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 263 u32 mask; 264 265 if (reg) 266 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); 267 else 268 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); 269 270 if (mask != priv->mgmt_frame_mask) { 271 priv->mgmt_frame_mask = mask; 272 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 273 HostCmd_ACT_GEN_SET, 0, 274 &priv->mgmt_frame_mask, false); 275 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 276 } 277 } 278 279 /* 280 * CFG802.11 operation handler to remain on channel. 281 */ 282 static int 283 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 284 struct wireless_dev *wdev, 285 struct ieee80211_channel *chan, 286 unsigned int duration, u64 *cookie) 287 { 288 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 289 int ret; 290 291 if (!chan || !cookie) { 292 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); 293 return -EINVAL; 294 } 295 296 if (priv->roc_cfg.cookie) { 297 mwifiex_dbg(priv->adapter, INFO, 298 "info: ongoing ROC, cookie = 0x%llx\n", 299 priv->roc_cfg.cookie); 300 return -EBUSY; 301 } 302 303 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, 304 duration); 305 306 if (!ret) { 307 *cookie = prandom_u32() | 1; 308 priv->roc_cfg.cookie = *cookie; 309 priv->roc_cfg.chan = *chan; 310 311 cfg80211_ready_on_channel(wdev, *cookie, chan, 312 duration, GFP_ATOMIC); 313 314 mwifiex_dbg(priv->adapter, INFO, 315 "info: ROC, cookie = 0x%llx\n", *cookie); 316 } 317 318 return ret; 319 } 320 321 /* 322 * CFG802.11 operation handler to cancel remain on channel. 323 */ 324 static int 325 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 326 struct wireless_dev *wdev, u64 cookie) 327 { 328 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 329 int ret; 330 331 if (cookie != priv->roc_cfg.cookie) 332 return -ENOENT; 333 334 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 335 &priv->roc_cfg.chan, 0); 336 337 if (!ret) { 338 cfg80211_remain_on_channel_expired(wdev, cookie, 339 &priv->roc_cfg.chan, 340 GFP_ATOMIC); 341 342 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 343 344 mwifiex_dbg(priv->adapter, INFO, 345 "info: cancel ROC, cookie = 0x%llx\n", cookie); 346 } 347 348 return ret; 349 } 350 351 /* 352 * CFG802.11 operation handler to set Tx power. 353 */ 354 static int 355 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 356 struct wireless_dev *wdev, 357 enum nl80211_tx_power_setting type, 358 int mbm) 359 { 360 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 361 struct mwifiex_private *priv; 362 struct mwifiex_power_cfg power_cfg; 363 int dbm = MBM_TO_DBM(mbm); 364 365 if (type == NL80211_TX_POWER_FIXED) { 366 power_cfg.is_power_auto = 0; 367 power_cfg.power_level = dbm; 368 } else { 369 power_cfg.is_power_auto = 1; 370 } 371 372 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 373 374 return mwifiex_set_tx_power(priv, &power_cfg); 375 } 376 377 /* 378 * CFG802.11 operation handler to get Tx power. 379 */ 380 static int 381 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, 382 struct wireless_dev *wdev, 383 int *dbm) 384 { 385 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 386 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 387 MWIFIEX_BSS_ROLE_ANY); 388 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 389 HostCmd_ACT_GEN_GET, 0, NULL, true); 390 391 if (ret < 0) 392 return ret; 393 394 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 395 *dbm = priv->tx_power_level; 396 397 return 0; 398 } 399 400 /* 401 * CFG802.11 operation handler to set Power Save option. 402 * 403 * The timeout value, if provided, is currently ignored. 404 */ 405 static int 406 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 407 struct net_device *dev, 408 bool enabled, int timeout) 409 { 410 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 411 u32 ps_mode; 412 413 if (timeout) 414 mwifiex_dbg(priv->adapter, INFO, 415 "info: ignore timeout value for IEEE Power Save\n"); 416 417 ps_mode = enabled; 418 419 return mwifiex_drv_set_power(priv, &ps_mode); 420 } 421 422 /* 423 * CFG802.11 operation handler to set the default network key. 424 */ 425 static int 426 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 427 u8 key_index, bool unicast, 428 bool multicast) 429 { 430 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 431 432 /* Return if WEP key not configured */ 433 if (!priv->sec_info.wep_enabled) 434 return 0; 435 436 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 437 priv->wep_key_curr_index = key_index; 438 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 439 NULL, 0)) { 440 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 441 return -EFAULT; 442 } 443 444 return 0; 445 } 446 447 /* 448 * CFG802.11 operation handler to add a network key. 449 */ 450 static int 451 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 452 u8 key_index, bool pairwise, const u8 *mac_addr, 453 struct key_params *params) 454 { 455 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 456 struct mwifiex_wep_key *wep_key; 457 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 458 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 459 460 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 461 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 462 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 463 if (params->key && params->key_len) { 464 wep_key = &priv->wep_key[key_index]; 465 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 466 memcpy(wep_key->key_material, params->key, 467 params->key_len); 468 wep_key->key_index = key_index; 469 wep_key->key_length = params->key_len; 470 priv->sec_info.wep_enabled = 1; 471 } 472 return 0; 473 } 474 475 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 476 key_index, peer_mac, 0)) { 477 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 478 return -EFAULT; 479 } 480 481 return 0; 482 } 483 484 /* 485 * CFG802.11 operation handler to set default mgmt key. 486 */ 487 static int 488 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, 489 struct net_device *netdev, 490 u8 key_index) 491 { 492 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 493 struct mwifiex_ds_encrypt_key encrypt_key; 494 495 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); 496 497 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); 498 encrypt_key.key_len = WLAN_KEY_LEN_CCMP; 499 encrypt_key.key_index = key_index; 500 encrypt_key.is_igtk_def_key = true; 501 eth_broadcast_addr(encrypt_key.mac_addr); 502 503 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 504 HostCmd_ACT_GEN_SET, true, &encrypt_key, true); 505 } 506 507 /* 508 * This function sends domain information to the firmware. 509 * 510 * The following information are passed to the firmware - 511 * - Country codes 512 * - Sub bands (first channel, number of channels, maximum Tx power) 513 */ 514 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 515 { 516 u8 no_of_triplet = 0; 517 struct ieee80211_country_ie_triplet *t; 518 u8 no_of_parsed_chan = 0; 519 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 520 u8 i, flag = 0; 521 enum nl80211_band band; 522 struct ieee80211_supported_band *sband; 523 struct ieee80211_channel *ch; 524 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 525 struct mwifiex_private *priv; 526 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 527 528 /* Set country code */ 529 domain_info->country_code[0] = adapter->country_code[0]; 530 domain_info->country_code[1] = adapter->country_code[1]; 531 domain_info->country_code[2] = ' '; 532 533 band = mwifiex_band_to_radio_type(adapter->config_bands); 534 if (!wiphy->bands[band]) { 535 mwifiex_dbg(adapter, ERROR, 536 "11D: setting domain info in FW\n"); 537 return -1; 538 } 539 540 sband = wiphy->bands[band]; 541 542 for (i = 0; i < sband->n_channels ; i++) { 543 ch = &sband->channels[i]; 544 if (ch->flags & IEEE80211_CHAN_DISABLED) 545 continue; 546 547 if (!flag) { 548 flag = 1; 549 first_chan = (u32) ch->hw_value; 550 next_chan = first_chan; 551 max_pwr = ch->max_power; 552 no_of_parsed_chan = 1; 553 continue; 554 } 555 556 if (ch->hw_value == next_chan + 1 && 557 ch->max_power == max_pwr) { 558 next_chan++; 559 no_of_parsed_chan++; 560 } else { 561 t = &domain_info->triplet[no_of_triplet]; 562 t->chans.first_channel = first_chan; 563 t->chans.num_channels = no_of_parsed_chan; 564 t->chans.max_power = max_pwr; 565 no_of_triplet++; 566 first_chan = (u32) ch->hw_value; 567 next_chan = first_chan; 568 max_pwr = ch->max_power; 569 no_of_parsed_chan = 1; 570 } 571 } 572 573 if (flag) { 574 t = &domain_info->triplet[no_of_triplet]; 575 t->chans.first_channel = first_chan; 576 t->chans.num_channels = no_of_parsed_chan; 577 t->chans.max_power = max_pwr; 578 no_of_triplet++; 579 } 580 581 domain_info->no_of_triplet = no_of_triplet; 582 583 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 584 585 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 586 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 587 mwifiex_dbg(adapter, INFO, 588 "11D: setting domain info in FW\n"); 589 return -1; 590 } 591 592 return 0; 593 } 594 595 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy) 596 { 597 struct ieee80211_supported_band *sband; 598 struct ieee80211_channel *chan; 599 unsigned int i; 600 601 if (!wiphy->bands[NL80211_BAND_5GHZ]) 602 return; 603 sband = wiphy->bands[NL80211_BAND_5GHZ]; 604 605 for (i = 0; i < sband->n_channels; i++) { 606 chan = &sband->channels[i]; 607 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && 608 (chan->flags & IEEE80211_CHAN_RADAR)) 609 chan->flags |= IEEE80211_CHAN_NO_IR; 610 } 611 } 612 613 /* 614 * CFG802.11 regulatory domain callback function. 615 * 616 * This function is called when the regulatory domain is changed due to the 617 * following reasons - 618 * - Set by driver 619 * - Set by system core 620 * - Set by user 621 * - Set bt Country IE 622 */ 623 static void mwifiex_reg_notifier(struct wiphy *wiphy, 624 struct regulatory_request *request) 625 { 626 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 627 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 628 MWIFIEX_BSS_ROLE_ANY); 629 mwifiex_dbg(adapter, INFO, 630 "info: cfg80211 regulatory domain callback for %c%c\n", 631 request->alpha2[0], request->alpha2[1]); 632 mwifiex_reg_apply_radar_flags(wiphy); 633 634 switch (request->initiator) { 635 case NL80211_REGDOM_SET_BY_DRIVER: 636 case NL80211_REGDOM_SET_BY_CORE: 637 case NL80211_REGDOM_SET_BY_USER: 638 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 639 break; 640 default: 641 mwifiex_dbg(adapter, ERROR, 642 "unknown regdom initiator: %d\n", 643 request->initiator); 644 return; 645 } 646 647 /* Don't send world or same regdom info to firmware */ 648 if (strncmp(request->alpha2, "00", 2) && 649 strncmp(request->alpha2, adapter->country_code, 650 sizeof(request->alpha2))) { 651 memcpy(adapter->country_code, request->alpha2, 652 sizeof(request->alpha2)); 653 mwifiex_send_domain_info_cmd_fw(wiphy); 654 mwifiex_dnld_txpwr_table(priv); 655 } 656 } 657 658 /* 659 * This function sets the fragmentation threshold. 660 * 661 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 662 * and MWIFIEX_FRAG_MAX_VALUE. 663 */ 664 static int 665 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 666 { 667 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 668 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 669 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 670 671 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 672 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 673 &frag_thr, true); 674 } 675 676 /* 677 * This function sets the RTS threshold. 678 679 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 680 * and MWIFIEX_RTS_MAX_VALUE. 681 */ 682 static int 683 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 684 { 685 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 686 rts_thr = MWIFIEX_RTS_MAX_VALUE; 687 688 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 689 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 690 &rts_thr, true); 691 } 692 693 /* 694 * CFG802.11 operation handler to set wiphy parameters. 695 * 696 * This function can be used to set the RTS threshold and the 697 * Fragmentation threshold of the driver. 698 */ 699 static int 700 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 701 { 702 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 703 struct mwifiex_private *priv; 704 struct mwifiex_uap_bss_param *bss_cfg; 705 int ret; 706 707 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 708 709 switch (priv->bss_role) { 710 case MWIFIEX_BSS_ROLE_UAP: 711 if (priv->bss_started) { 712 mwifiex_dbg(adapter, ERROR, 713 "cannot change wiphy params when bss started"); 714 return -EINVAL; 715 } 716 717 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 718 if (!bss_cfg) 719 return -ENOMEM; 720 721 mwifiex_set_sys_config_invalid_data(bss_cfg); 722 723 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 724 bss_cfg->rts_threshold = wiphy->rts_threshold; 725 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 726 bss_cfg->frag_threshold = wiphy->frag_threshold; 727 if (changed & WIPHY_PARAM_RETRY_LONG) 728 bss_cfg->retry_limit = wiphy->retry_long; 729 730 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 731 HostCmd_ACT_GEN_SET, 732 UAP_BSS_PARAMS_I, bss_cfg, 733 false); 734 735 kfree(bss_cfg); 736 if (ret) { 737 mwifiex_dbg(adapter, ERROR, 738 "Failed to set wiphy phy params\n"); 739 return ret; 740 } 741 break; 742 743 case MWIFIEX_BSS_ROLE_STA: 744 if (priv->media_connected) { 745 mwifiex_dbg(adapter, ERROR, 746 "cannot change wiphy params when connected"); 747 return -EINVAL; 748 } 749 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 750 ret = mwifiex_set_rts(priv, 751 wiphy->rts_threshold); 752 if (ret) 753 return ret; 754 } 755 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 756 ret = mwifiex_set_frag(priv, 757 wiphy->frag_threshold); 758 if (ret) 759 return ret; 760 } 761 break; 762 } 763 764 return 0; 765 } 766 767 static int 768 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 769 { 770 u16 mode = P2P_MODE_DISABLE; 771 772 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 773 HostCmd_ACT_GEN_SET, 0, &mode, true)) 774 return -1; 775 776 return 0; 777 } 778 779 /* 780 * This function initializes the functionalities for P2P client. 781 * The P2P client initialization sequence is: 782 * disable -> device -> client 783 */ 784 static int 785 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 786 { 787 u16 mode; 788 789 if (mwifiex_cfg80211_deinit_p2p(priv)) 790 return -1; 791 792 mode = P2P_MODE_DEVICE; 793 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 794 HostCmd_ACT_GEN_SET, 0, &mode, true)) 795 return -1; 796 797 mode = P2P_MODE_CLIENT; 798 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 799 HostCmd_ACT_GEN_SET, 0, &mode, true)) 800 return -1; 801 802 return 0; 803 } 804 805 /* 806 * This function initializes the functionalities for P2P GO. 807 * The P2P GO initialization sequence is: 808 * disable -> device -> GO 809 */ 810 static int 811 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 812 { 813 u16 mode; 814 815 if (mwifiex_cfg80211_deinit_p2p(priv)) 816 return -1; 817 818 mode = P2P_MODE_DEVICE; 819 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 820 HostCmd_ACT_GEN_SET, 0, &mode, true)) 821 return -1; 822 823 mode = P2P_MODE_GO; 824 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 825 HostCmd_ACT_GEN_SET, 0, &mode, true)) 826 return -1; 827 828 return 0; 829 } 830 831 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 832 { 833 struct mwifiex_adapter *adapter = priv->adapter; 834 unsigned long flags; 835 836 priv->mgmt_frame_mask = 0; 837 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 838 HostCmd_ACT_GEN_SET, 0, 839 &priv->mgmt_frame_mask, false)) { 840 mwifiex_dbg(adapter, ERROR, 841 "could not unregister mgmt frame rx\n"); 842 return -1; 843 } 844 845 mwifiex_deauthenticate(priv, NULL); 846 847 spin_lock_irqsave(&adapter->main_proc_lock, flags); 848 adapter->main_locked = true; 849 if (adapter->mwifiex_processing) { 850 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 851 flush_workqueue(adapter->workqueue); 852 } else { 853 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 854 } 855 856 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 857 adapter->rx_locked = true; 858 if (adapter->rx_processing) { 859 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 860 flush_workqueue(adapter->rx_workqueue); 861 } else { 862 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 863 } 864 865 mwifiex_free_priv(priv); 866 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 867 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 868 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 869 870 return 0; 871 } 872 873 static int 874 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 875 struct net_device *dev, 876 enum nl80211_iftype type) 877 { 878 struct mwifiex_adapter *adapter = priv->adapter; 879 unsigned long flags; 880 881 mwifiex_init_priv(priv); 882 883 priv->bss_mode = type; 884 priv->wdev.iftype = type; 885 886 mwifiex_init_priv_params(priv, priv->netdev); 887 priv->bss_started = 0; 888 889 switch (type) { 890 case NL80211_IFTYPE_STATION: 891 case NL80211_IFTYPE_ADHOC: 892 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 893 break; 894 case NL80211_IFTYPE_P2P_CLIENT: 895 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 896 break; 897 case NL80211_IFTYPE_P2P_GO: 898 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 899 break; 900 case NL80211_IFTYPE_AP: 901 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 902 break; 903 default: 904 mwifiex_dbg(adapter, ERROR, 905 "%s: changing to %d not supported\n", 906 dev->name, type); 907 return -EOPNOTSUPP; 908 } 909 910 spin_lock_irqsave(&adapter->main_proc_lock, flags); 911 adapter->main_locked = false; 912 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 913 914 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 915 adapter->rx_locked = false; 916 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 917 918 mwifiex_set_mac_address(priv, dev); 919 920 return 0; 921 } 922 923 static int 924 mwifiex_change_vif_to_p2p(struct net_device *dev, 925 enum nl80211_iftype curr_iftype, 926 enum nl80211_iftype type, 927 struct vif_params *params) 928 { 929 struct mwifiex_private *priv; 930 struct mwifiex_adapter *adapter; 931 932 priv = mwifiex_netdev_get_priv(dev); 933 934 if (!priv) 935 return -1; 936 937 adapter = priv->adapter; 938 939 if (adapter->curr_iface_comb.p2p_intf == 940 adapter->iface_limit.p2p_intf) { 941 mwifiex_dbg(adapter, ERROR, 942 "cannot create multiple P2P ifaces\n"); 943 return -1; 944 } 945 946 mwifiex_dbg(adapter, INFO, 947 "%s: changing role to p2p\n", dev->name); 948 949 if (mwifiex_deinit_priv_params(priv)) 950 return -1; 951 if (mwifiex_init_new_priv_params(priv, dev, type)) 952 return -1; 953 954 switch (type) { 955 case NL80211_IFTYPE_P2P_CLIENT: 956 if (mwifiex_cfg80211_init_p2p_client(priv)) 957 return -EFAULT; 958 break; 959 case NL80211_IFTYPE_P2P_GO: 960 if (mwifiex_cfg80211_init_p2p_go(priv)) 961 return -EFAULT; 962 break; 963 default: 964 mwifiex_dbg(adapter, ERROR, 965 "%s: changing to %d not supported\n", 966 dev->name, type); 967 return -EOPNOTSUPP; 968 } 969 970 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 971 HostCmd_ACT_GEN_SET, 0, NULL, true)) 972 return -1; 973 974 if (mwifiex_sta_init_cmd(priv, false, false)) 975 return -1; 976 977 switch (curr_iftype) { 978 case NL80211_IFTYPE_STATION: 979 case NL80211_IFTYPE_ADHOC: 980 adapter->curr_iface_comb.sta_intf--; 981 break; 982 case NL80211_IFTYPE_AP: 983 adapter->curr_iface_comb.uap_intf--; 984 break; 985 default: 986 break; 987 } 988 989 adapter->curr_iface_comb.p2p_intf++; 990 dev->ieee80211_ptr->iftype = type; 991 992 return 0; 993 } 994 995 static int 996 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 997 enum nl80211_iftype curr_iftype, 998 enum nl80211_iftype type, 999 struct vif_params *params) 1000 { 1001 struct mwifiex_private *priv; 1002 struct mwifiex_adapter *adapter; 1003 1004 priv = mwifiex_netdev_get_priv(dev); 1005 1006 if (!priv) 1007 return -1; 1008 1009 adapter = priv->adapter; 1010 1011 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && 1012 curr_iftype != NL80211_IFTYPE_P2P_GO) && 1013 (adapter->curr_iface_comb.sta_intf == 1014 adapter->iface_limit.sta_intf)) { 1015 mwifiex_dbg(adapter, ERROR, 1016 "cannot create multiple station/adhoc ifaces\n"); 1017 return -1; 1018 } 1019 1020 if (type == NL80211_IFTYPE_STATION) 1021 mwifiex_dbg(adapter, INFO, 1022 "%s: changing role to station\n", dev->name); 1023 else 1024 mwifiex_dbg(adapter, INFO, 1025 "%s: changing role to adhoc\n", dev->name); 1026 1027 if (mwifiex_deinit_priv_params(priv)) 1028 return -1; 1029 if (mwifiex_init_new_priv_params(priv, dev, type)) 1030 return -1; 1031 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1032 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1033 return -1; 1034 if (mwifiex_sta_init_cmd(priv, false, false)) 1035 return -1; 1036 1037 switch (curr_iftype) { 1038 case NL80211_IFTYPE_P2P_CLIENT: 1039 case NL80211_IFTYPE_P2P_GO: 1040 adapter->curr_iface_comb.p2p_intf--; 1041 break; 1042 case NL80211_IFTYPE_AP: 1043 adapter->curr_iface_comb.uap_intf--; 1044 break; 1045 default: 1046 break; 1047 } 1048 1049 adapter->curr_iface_comb.sta_intf++; 1050 dev->ieee80211_ptr->iftype = type; 1051 return 0; 1052 } 1053 1054 static int 1055 mwifiex_change_vif_to_ap(struct net_device *dev, 1056 enum nl80211_iftype curr_iftype, 1057 enum nl80211_iftype type, 1058 struct vif_params *params) 1059 { 1060 struct mwifiex_private *priv; 1061 struct mwifiex_adapter *adapter; 1062 1063 priv = mwifiex_netdev_get_priv(dev); 1064 1065 if (!priv) 1066 return -1; 1067 1068 adapter = priv->adapter; 1069 1070 if (adapter->curr_iface_comb.uap_intf == 1071 adapter->iface_limit.uap_intf) { 1072 mwifiex_dbg(adapter, ERROR, 1073 "cannot create multiple AP ifaces\n"); 1074 return -1; 1075 } 1076 1077 mwifiex_dbg(adapter, INFO, 1078 "%s: changing role to AP\n", dev->name); 1079 1080 if (mwifiex_deinit_priv_params(priv)) 1081 return -1; 1082 if (mwifiex_init_new_priv_params(priv, dev, type)) 1083 return -1; 1084 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1085 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1086 return -1; 1087 if (mwifiex_sta_init_cmd(priv, false, false)) 1088 return -1; 1089 1090 switch (curr_iftype) { 1091 case NL80211_IFTYPE_P2P_CLIENT: 1092 case NL80211_IFTYPE_P2P_GO: 1093 adapter->curr_iface_comb.p2p_intf--; 1094 break; 1095 case NL80211_IFTYPE_STATION: 1096 case NL80211_IFTYPE_ADHOC: 1097 adapter->curr_iface_comb.sta_intf--; 1098 break; 1099 default: 1100 break; 1101 } 1102 1103 adapter->curr_iface_comb.uap_intf++; 1104 dev->ieee80211_ptr->iftype = type; 1105 return 0; 1106 } 1107 /* 1108 * CFG802.11 operation handler to change interface type. 1109 */ 1110 static int 1111 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1112 struct net_device *dev, 1113 enum nl80211_iftype type, 1114 struct vif_params *params) 1115 { 1116 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1117 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1118 1119 if (priv->scan_request) { 1120 mwifiex_dbg(priv->adapter, ERROR, 1121 "change virtual interface: scan in process\n"); 1122 return -EBUSY; 1123 } 1124 1125 switch (curr_iftype) { 1126 case NL80211_IFTYPE_ADHOC: 1127 switch (type) { 1128 case NL80211_IFTYPE_STATION: 1129 priv->bss_mode = type; 1130 priv->sec_info.authentication_mode = 1131 NL80211_AUTHTYPE_OPEN_SYSTEM; 1132 dev->ieee80211_ptr->iftype = type; 1133 mwifiex_deauthenticate(priv, NULL); 1134 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1135 HostCmd_ACT_GEN_SET, 0, NULL, 1136 true); 1137 case NL80211_IFTYPE_P2P_CLIENT: 1138 case NL80211_IFTYPE_P2P_GO: 1139 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1140 type, params); 1141 case NL80211_IFTYPE_AP: 1142 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1143 params); 1144 case NL80211_IFTYPE_UNSPECIFIED: 1145 mwifiex_dbg(priv->adapter, INFO, 1146 "%s: kept type as IBSS\n", dev->name); 1147 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ 1148 return 0; 1149 default: 1150 mwifiex_dbg(priv->adapter, ERROR, 1151 "%s: changing to %d not supported\n", 1152 dev->name, type); 1153 return -EOPNOTSUPP; 1154 } 1155 break; 1156 case NL80211_IFTYPE_STATION: 1157 switch (type) { 1158 case NL80211_IFTYPE_ADHOC: 1159 priv->bss_mode = type; 1160 priv->sec_info.authentication_mode = 1161 NL80211_AUTHTYPE_OPEN_SYSTEM; 1162 dev->ieee80211_ptr->iftype = type; 1163 mwifiex_deauthenticate(priv, NULL); 1164 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1165 HostCmd_ACT_GEN_SET, 0, NULL, 1166 true); 1167 case NL80211_IFTYPE_P2P_CLIENT: 1168 case NL80211_IFTYPE_P2P_GO: 1169 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1170 type, params); 1171 case NL80211_IFTYPE_AP: 1172 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1173 params); 1174 case NL80211_IFTYPE_UNSPECIFIED: 1175 mwifiex_dbg(priv->adapter, INFO, 1176 "%s: kept type as STA\n", dev->name); 1177 case NL80211_IFTYPE_STATION: /* This shouldn't happen */ 1178 return 0; 1179 default: 1180 mwifiex_dbg(priv->adapter, ERROR, 1181 "%s: changing to %d not supported\n", 1182 dev->name, type); 1183 return -EOPNOTSUPP; 1184 } 1185 break; 1186 case NL80211_IFTYPE_AP: 1187 switch (type) { 1188 case NL80211_IFTYPE_ADHOC: 1189 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1190 type, params); 1191 break; 1192 case NL80211_IFTYPE_P2P_CLIENT: 1193 case NL80211_IFTYPE_P2P_GO: 1194 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1195 type, params); 1196 case NL80211_IFTYPE_UNSPECIFIED: 1197 mwifiex_dbg(priv->adapter, INFO, 1198 "%s: kept type as AP\n", dev->name); 1199 case NL80211_IFTYPE_AP: /* This shouldn't happen */ 1200 return 0; 1201 default: 1202 mwifiex_dbg(priv->adapter, ERROR, 1203 "%s: changing to %d not supported\n", 1204 dev->name, type); 1205 return -EOPNOTSUPP; 1206 } 1207 break; 1208 case NL80211_IFTYPE_P2P_CLIENT: 1209 case NL80211_IFTYPE_P2P_GO: 1210 switch (type) { 1211 case NL80211_IFTYPE_STATION: 1212 if (mwifiex_cfg80211_deinit_p2p(priv)) 1213 return -EFAULT; 1214 priv->adapter->curr_iface_comb.p2p_intf--; 1215 priv->adapter->curr_iface_comb.sta_intf++; 1216 dev->ieee80211_ptr->iftype = type; 1217 if (mwifiex_deinit_priv_params(priv)) 1218 return -1; 1219 if (mwifiex_init_new_priv_params(priv, dev, type)) 1220 return -1; 1221 if (mwifiex_sta_init_cmd(priv, false, false)) 1222 return -1; 1223 break; 1224 case NL80211_IFTYPE_ADHOC: 1225 if (mwifiex_cfg80211_deinit_p2p(priv)) 1226 return -EFAULT; 1227 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1228 type, params); 1229 break; 1230 case NL80211_IFTYPE_AP: 1231 if (mwifiex_cfg80211_deinit_p2p(priv)) 1232 return -EFAULT; 1233 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1234 params); 1235 case NL80211_IFTYPE_UNSPECIFIED: 1236 mwifiex_dbg(priv->adapter, INFO, 1237 "%s: kept type as P2P\n", dev->name); 1238 case NL80211_IFTYPE_P2P_CLIENT: 1239 case NL80211_IFTYPE_P2P_GO: 1240 return 0; 1241 default: 1242 mwifiex_dbg(priv->adapter, ERROR, 1243 "%s: changing to %d not supported\n", 1244 dev->name, type); 1245 return -EOPNOTSUPP; 1246 } 1247 break; 1248 default: 1249 mwifiex_dbg(priv->adapter, ERROR, 1250 "%s: unknown iftype: %d\n", 1251 dev->name, dev->ieee80211_ptr->iftype); 1252 return -EOPNOTSUPP; 1253 } 1254 1255 1256 return 0; 1257 } 1258 1259 static void 1260 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, 1261 struct rate_info *rate) 1262 { 1263 struct mwifiex_adapter *adapter = priv->adapter; 1264 1265 if (adapter->is_hw_11ac_capable) { 1266 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1267 if (tx_htinfo & BIT(0)) { 1268 /* HT */ 1269 rate->mcs = priv->tx_rate; 1270 rate->flags |= RATE_INFO_FLAGS_MCS; 1271 } 1272 if (tx_htinfo & BIT(1)) { 1273 /* VHT */ 1274 rate->mcs = priv->tx_rate & 0x0F; 1275 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1276 } 1277 1278 if (tx_htinfo & (BIT(1) | BIT(0))) { 1279 /* HT or VHT */ 1280 switch (tx_htinfo & (BIT(3) | BIT(2))) { 1281 case 0: 1282 rate->bw = RATE_INFO_BW_20; 1283 break; 1284 case (BIT(2)): 1285 rate->bw = RATE_INFO_BW_40; 1286 break; 1287 case (BIT(3)): 1288 rate->bw = RATE_INFO_BW_80; 1289 break; 1290 case (BIT(3) | BIT(2)): 1291 rate->bw = RATE_INFO_BW_160; 1292 break; 1293 } 1294 1295 if (tx_htinfo & BIT(4)) 1296 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1297 1298 if ((priv->tx_rate >> 4) == 1) 1299 rate->nss = 2; 1300 else 1301 rate->nss = 1; 1302 } 1303 } else { 1304 /* 1305 * Bit 0 in tx_htinfo indicates that current Tx rate 1306 * is 11n rate. Valid MCS index values for us are 0 to 15. 1307 */ 1308 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { 1309 rate->mcs = priv->tx_rate; 1310 rate->flags |= RATE_INFO_FLAGS_MCS; 1311 rate->bw = RATE_INFO_BW_20; 1312 if (tx_htinfo & BIT(1)) 1313 rate->bw = RATE_INFO_BW_40; 1314 if (tx_htinfo & BIT(2)) 1315 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1316 } 1317 } 1318 } 1319 1320 /* 1321 * This function dumps the station information on a buffer. 1322 * 1323 * The following information are shown - 1324 * - Total bytes transmitted 1325 * - Total bytes received 1326 * - Total packets transmitted 1327 * - Total packets received 1328 * - Signal quality level 1329 * - Transmission rate 1330 */ 1331 static int 1332 mwifiex_dump_station_info(struct mwifiex_private *priv, 1333 struct mwifiex_sta_node *node, 1334 struct station_info *sinfo) 1335 { 1336 u32 rate; 1337 1338 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | 1339 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | 1340 BIT(NL80211_STA_INFO_TX_BITRATE) | 1341 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); 1342 1343 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1344 if (!node) 1345 return -ENOENT; 1346 1347 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | 1348 BIT(NL80211_STA_INFO_TX_FAILED); 1349 sinfo->inactive_time = 1350 jiffies_to_msecs(jiffies - node->stats.last_rx); 1351 1352 sinfo->signal = node->stats.rssi; 1353 sinfo->signal_avg = node->stats.rssi; 1354 sinfo->rx_bytes = node->stats.rx_bytes; 1355 sinfo->tx_bytes = node->stats.tx_bytes; 1356 sinfo->rx_packets = node->stats.rx_packets; 1357 sinfo->tx_packets = node->stats.tx_packets; 1358 sinfo->tx_failed = node->stats.tx_failed; 1359 1360 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, 1361 &sinfo->txrate); 1362 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1363 1364 return 0; 1365 } 1366 1367 /* Get signal information from the firmware */ 1368 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1369 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1370 mwifiex_dbg(priv->adapter, ERROR, 1371 "failed to get signal information\n"); 1372 return -EFAULT; 1373 } 1374 1375 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1376 mwifiex_dbg(priv->adapter, ERROR, 1377 "getting data rate error\n"); 1378 return -EFAULT; 1379 } 1380 1381 /* Get DTIM period information from firmware */ 1382 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1383 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1384 &priv->dtim_period, true); 1385 1386 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); 1387 1388 sinfo->signal_avg = priv->bcn_rssi_avg; 1389 sinfo->rx_bytes = priv->stats.rx_bytes; 1390 sinfo->tx_bytes = priv->stats.tx_bytes; 1391 sinfo->rx_packets = priv->stats.rx_packets; 1392 sinfo->tx_packets = priv->stats.tx_packets; 1393 sinfo->signal = priv->bcn_rssi_avg; 1394 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1395 sinfo->txrate.legacy = rate * 5; 1396 1397 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1398 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); 1399 sinfo->bss_param.flags = 0; 1400 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1401 WLAN_CAPABILITY_SHORT_PREAMBLE) 1402 sinfo->bss_param.flags |= 1403 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1404 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1405 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1406 sinfo->bss_param.flags |= 1407 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1408 sinfo->bss_param.dtim_period = priv->dtim_period; 1409 sinfo->bss_param.beacon_interval = 1410 priv->curr_bss_params.bss_descriptor.beacon_period; 1411 } 1412 1413 return 0; 1414 } 1415 1416 /* 1417 * CFG802.11 operation handler to get station information. 1418 * 1419 * This function only works in connected mode, and dumps the 1420 * requested station information, if available. 1421 */ 1422 static int 1423 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1424 const u8 *mac, struct station_info *sinfo) 1425 { 1426 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1427 1428 if (!priv->media_connected) 1429 return -ENOENT; 1430 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1431 return -ENOENT; 1432 1433 return mwifiex_dump_station_info(priv, NULL, sinfo); 1434 } 1435 1436 /* 1437 * CFG802.11 operation handler to dump station information. 1438 */ 1439 static int 1440 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1441 int idx, u8 *mac, struct station_info *sinfo) 1442 { 1443 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1444 static struct mwifiex_sta_node *node; 1445 1446 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1447 priv->media_connected && idx == 0) { 1448 ether_addr_copy(mac, priv->cfg_bssid); 1449 return mwifiex_dump_station_info(priv, NULL, sinfo); 1450 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1451 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1452 HostCmd_ACT_GEN_GET, 0, NULL, true); 1453 1454 if (node && (&node->list == &priv->sta_list)) { 1455 node = NULL; 1456 return -ENOENT; 1457 } 1458 1459 node = list_prepare_entry(node, &priv->sta_list, list); 1460 list_for_each_entry_continue(node, &priv->sta_list, list) { 1461 ether_addr_copy(mac, node->mac_addr); 1462 return mwifiex_dump_station_info(priv, node, sinfo); 1463 } 1464 } 1465 1466 return -ENOENT; 1467 } 1468 1469 static int 1470 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1471 int idx, struct survey_info *survey) 1472 { 1473 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1474 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1475 enum nl80211_band band; 1476 1477 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1478 1479 memset(survey, 0, sizeof(struct survey_info)); 1480 1481 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1482 priv->media_connected && idx == 0) { 1483 u8 curr_bss_band = priv->curr_bss_params.band; 1484 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1485 1486 band = mwifiex_band_to_radio_type(curr_bss_band); 1487 survey->channel = ieee80211_get_channel(wiphy, 1488 ieee80211_channel_to_frequency(chan, band)); 1489 1490 if (priv->bcn_nf_last) { 1491 survey->filled = SURVEY_INFO_NOISE_DBM; 1492 survey->noise = priv->bcn_nf_last; 1493 } 1494 return 0; 1495 } 1496 1497 if (idx >= priv->adapter->num_in_chan_stats) 1498 return -ENOENT; 1499 1500 if (!pchan_stats[idx].cca_scan_dur) 1501 return 0; 1502 1503 band = pchan_stats[idx].bandcfg; 1504 survey->channel = ieee80211_get_channel(wiphy, 1505 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1506 survey->filled = SURVEY_INFO_NOISE_DBM | 1507 SURVEY_INFO_TIME | 1508 SURVEY_INFO_TIME_BUSY; 1509 survey->noise = pchan_stats[idx].noise; 1510 survey->time = pchan_stats[idx].cca_scan_dur; 1511 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1512 1513 return 0; 1514 } 1515 1516 /* Supported rates to be advertised to the cfg80211 */ 1517 static struct ieee80211_rate mwifiex_rates[] = { 1518 {.bitrate = 10, .hw_value = 2, }, 1519 {.bitrate = 20, .hw_value = 4, }, 1520 {.bitrate = 55, .hw_value = 11, }, 1521 {.bitrate = 110, .hw_value = 22, }, 1522 {.bitrate = 60, .hw_value = 12, }, 1523 {.bitrate = 90, .hw_value = 18, }, 1524 {.bitrate = 120, .hw_value = 24, }, 1525 {.bitrate = 180, .hw_value = 36, }, 1526 {.bitrate = 240, .hw_value = 48, }, 1527 {.bitrate = 360, .hw_value = 72, }, 1528 {.bitrate = 480, .hw_value = 96, }, 1529 {.bitrate = 540, .hw_value = 108, }, 1530 }; 1531 1532 /* Channel definitions to be advertised to cfg80211 */ 1533 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1534 {.center_freq = 2412, .hw_value = 1, }, 1535 {.center_freq = 2417, .hw_value = 2, }, 1536 {.center_freq = 2422, .hw_value = 3, }, 1537 {.center_freq = 2427, .hw_value = 4, }, 1538 {.center_freq = 2432, .hw_value = 5, }, 1539 {.center_freq = 2437, .hw_value = 6, }, 1540 {.center_freq = 2442, .hw_value = 7, }, 1541 {.center_freq = 2447, .hw_value = 8, }, 1542 {.center_freq = 2452, .hw_value = 9, }, 1543 {.center_freq = 2457, .hw_value = 10, }, 1544 {.center_freq = 2462, .hw_value = 11, }, 1545 {.center_freq = 2467, .hw_value = 12, }, 1546 {.center_freq = 2472, .hw_value = 13, }, 1547 {.center_freq = 2484, .hw_value = 14, }, 1548 }; 1549 1550 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1551 .channels = mwifiex_channels_2ghz, 1552 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1553 .bitrates = mwifiex_rates, 1554 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1555 }; 1556 1557 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1558 {.center_freq = 5040, .hw_value = 8, }, 1559 {.center_freq = 5060, .hw_value = 12, }, 1560 {.center_freq = 5080, .hw_value = 16, }, 1561 {.center_freq = 5170, .hw_value = 34, }, 1562 {.center_freq = 5190, .hw_value = 38, }, 1563 {.center_freq = 5210, .hw_value = 42, }, 1564 {.center_freq = 5230, .hw_value = 46, }, 1565 {.center_freq = 5180, .hw_value = 36, }, 1566 {.center_freq = 5200, .hw_value = 40, }, 1567 {.center_freq = 5220, .hw_value = 44, }, 1568 {.center_freq = 5240, .hw_value = 48, }, 1569 {.center_freq = 5260, .hw_value = 52, }, 1570 {.center_freq = 5280, .hw_value = 56, }, 1571 {.center_freq = 5300, .hw_value = 60, }, 1572 {.center_freq = 5320, .hw_value = 64, }, 1573 {.center_freq = 5500, .hw_value = 100, }, 1574 {.center_freq = 5520, .hw_value = 104, }, 1575 {.center_freq = 5540, .hw_value = 108, }, 1576 {.center_freq = 5560, .hw_value = 112, }, 1577 {.center_freq = 5580, .hw_value = 116, }, 1578 {.center_freq = 5600, .hw_value = 120, }, 1579 {.center_freq = 5620, .hw_value = 124, }, 1580 {.center_freq = 5640, .hw_value = 128, }, 1581 {.center_freq = 5660, .hw_value = 132, }, 1582 {.center_freq = 5680, .hw_value = 136, }, 1583 {.center_freq = 5700, .hw_value = 140, }, 1584 {.center_freq = 5745, .hw_value = 149, }, 1585 {.center_freq = 5765, .hw_value = 153, }, 1586 {.center_freq = 5785, .hw_value = 157, }, 1587 {.center_freq = 5805, .hw_value = 161, }, 1588 {.center_freq = 5825, .hw_value = 165, }, 1589 }; 1590 1591 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1592 .channels = mwifiex_channels_5ghz, 1593 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1594 .bitrates = mwifiex_rates + 4, 1595 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1596 }; 1597 1598 1599 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1600 static const u32 mwifiex_cipher_suites[] = { 1601 WLAN_CIPHER_SUITE_WEP40, 1602 WLAN_CIPHER_SUITE_WEP104, 1603 WLAN_CIPHER_SUITE_TKIP, 1604 WLAN_CIPHER_SUITE_CCMP, 1605 WLAN_CIPHER_SUITE_SMS4, 1606 WLAN_CIPHER_SUITE_AES_CMAC, 1607 }; 1608 1609 /* Supported mgmt frame types to be advertised to cfg80211 */ 1610 static const struct ieee80211_txrx_stypes 1611 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1612 [NL80211_IFTYPE_STATION] = { 1613 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1614 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1615 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1616 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1617 }, 1618 [NL80211_IFTYPE_AP] = { 1619 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1620 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1621 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1622 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1623 }, 1624 [NL80211_IFTYPE_P2P_CLIENT] = { 1625 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1626 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1627 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1628 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1629 }, 1630 [NL80211_IFTYPE_P2P_GO] = { 1631 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1632 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1633 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1634 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1635 }, 1636 }; 1637 1638 /* 1639 * CFG802.11 operation handler for setting bit rates. 1640 * 1641 * Function configures data rates to firmware using bitrate mask 1642 * provided by cfg80211. 1643 */ 1644 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1645 struct net_device *dev, 1646 const u8 *peer, 1647 const struct cfg80211_bitrate_mask *mask) 1648 { 1649 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1650 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1651 enum nl80211_band band; 1652 struct mwifiex_adapter *adapter = priv->adapter; 1653 1654 if (!priv->media_connected) { 1655 mwifiex_dbg(adapter, ERROR, 1656 "Can not set Tx data rate in disconnected state\n"); 1657 return -EINVAL; 1658 } 1659 1660 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1661 1662 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1663 1664 /* Fill HR/DSSS rates. */ 1665 if (band == NL80211_BAND_2GHZ) 1666 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1667 1668 /* Fill OFDM rates */ 1669 if (band == NL80211_BAND_2GHZ) 1670 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1671 else 1672 bitmap_rates[1] = mask->control[band].legacy; 1673 1674 /* Fill HT MCS rates */ 1675 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1676 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1677 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1678 1679 /* Fill VHT MCS rates */ 1680 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1681 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1682 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1683 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1684 } 1685 1686 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1687 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1688 } 1689 1690 /* 1691 * CFG802.11 operation handler for connection quality monitoring. 1692 * 1693 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1694 * events to FW. 1695 */ 1696 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1697 struct net_device *dev, 1698 s32 rssi_thold, u32 rssi_hyst) 1699 { 1700 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1701 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1702 1703 priv->cqm_rssi_thold = rssi_thold; 1704 priv->cqm_rssi_hyst = rssi_hyst; 1705 1706 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1707 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1708 1709 /* Subscribe/unsubscribe low and high rssi events */ 1710 if (rssi_thold && rssi_hyst) { 1711 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1712 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1713 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1714 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1715 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1716 return mwifiex_send_cmd(priv, 1717 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1718 0, 0, &subsc_evt, true); 1719 } else { 1720 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1721 return mwifiex_send_cmd(priv, 1722 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1723 0, 0, &subsc_evt, true); 1724 } 1725 1726 return 0; 1727 } 1728 1729 /* cfg80211 operation handler for change_beacon. 1730 * Function retrieves and sets modified management IEs to FW. 1731 */ 1732 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1733 struct net_device *dev, 1734 struct cfg80211_beacon_data *data) 1735 { 1736 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1737 struct mwifiex_adapter *adapter = priv->adapter; 1738 1739 mwifiex_cancel_scan(adapter); 1740 1741 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1742 mwifiex_dbg(priv->adapter, ERROR, 1743 "%s: bss_type mismatched\n", __func__); 1744 return -EINVAL; 1745 } 1746 1747 if (!priv->bss_started) { 1748 mwifiex_dbg(priv->adapter, ERROR, 1749 "%s: bss not started\n", __func__); 1750 return -EINVAL; 1751 } 1752 1753 if (mwifiex_set_mgmt_ies(priv, data)) { 1754 mwifiex_dbg(priv->adapter, ERROR, 1755 "%s: setting mgmt ies failed\n", __func__); 1756 return -EFAULT; 1757 } 1758 1759 return 0; 1760 } 1761 1762 /* cfg80211 operation handler for del_station. 1763 * Function deauthenticates station which value is provided in mac parameter. 1764 * If mac is NULL/broadcast, all stations in associated station list are 1765 * deauthenticated. If bss is not started or there are no stations in 1766 * associated stations list, no action is taken. 1767 */ 1768 static int 1769 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1770 struct station_del_parameters *params) 1771 { 1772 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1773 struct mwifiex_sta_node *sta_node; 1774 u8 deauth_mac[ETH_ALEN]; 1775 unsigned long flags; 1776 1777 if (!priv->bss_started && priv->wdev.cac_started) { 1778 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1779 mwifiex_abort_cac(priv); 1780 } 1781 1782 if (list_empty(&priv->sta_list) || !priv->bss_started) 1783 return 0; 1784 1785 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1786 return 0; 1787 1788 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1789 __func__, params->mac); 1790 1791 eth_zero_addr(deauth_mac); 1792 1793 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 1794 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1795 if (sta_node) 1796 ether_addr_copy(deauth_mac, params->mac); 1797 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 1798 1799 if (is_valid_ether_addr(deauth_mac)) { 1800 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1801 HostCmd_ACT_GEN_SET, 0, 1802 deauth_mac, true)) 1803 return -1; 1804 } 1805 1806 return 0; 1807 } 1808 1809 static int 1810 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1811 { 1812 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1813 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1814 MWIFIEX_BSS_ROLE_ANY); 1815 struct mwifiex_ds_ant_cfg ant_cfg; 1816 1817 if (!tx_ant || !rx_ant) 1818 return -EOPNOTSUPP; 1819 1820 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1821 /* Not a MIMO chip. User should provide specific antenna number 1822 * for Tx/Rx path or enable all antennas for diversity 1823 */ 1824 if (tx_ant != rx_ant) 1825 return -EOPNOTSUPP; 1826 1827 if ((tx_ant & (tx_ant - 1)) && 1828 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1829 return -EOPNOTSUPP; 1830 1831 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1832 (priv->adapter->number_of_antenna > 1)) { 1833 tx_ant = RF_ANTENNA_AUTO; 1834 rx_ant = RF_ANTENNA_AUTO; 1835 } 1836 } else { 1837 struct ieee80211_sta_ht_cap *ht_info; 1838 int rx_mcs_supp; 1839 enum nl80211_band band; 1840 1841 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1842 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1843 if (adapter->is_hw_11ac_capable) 1844 adapter->usr_dot_11ac_mcs_support = 1845 MWIFIEX_11AC_MCS_MAP_1X1; 1846 } else { 1847 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1848 if (adapter->is_hw_11ac_capable) 1849 adapter->usr_dot_11ac_mcs_support = 1850 MWIFIEX_11AC_MCS_MAP_2X2; 1851 } 1852 1853 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1854 if (!adapter->wiphy->bands[band]) 1855 continue; 1856 1857 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1858 rx_mcs_supp = 1859 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1860 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1861 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1862 } 1863 } 1864 1865 ant_cfg.tx_ant = tx_ant; 1866 ant_cfg.rx_ant = rx_ant; 1867 1868 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1869 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 1870 } 1871 1872 static int 1873 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 1874 { 1875 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1876 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1877 MWIFIEX_BSS_ROLE_ANY); 1878 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1879 HostCmd_ACT_GEN_GET, 0, NULL, true); 1880 1881 *tx_ant = priv->tx_ant; 1882 *rx_ant = priv->rx_ant; 1883 1884 return 0; 1885 } 1886 1887 /* cfg80211 operation handler for stop ap. 1888 * Function stops BSS running at uAP interface. 1889 */ 1890 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1891 { 1892 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1893 1894 mwifiex_abort_cac(priv); 1895 1896 if (mwifiex_del_mgmt_ies(priv)) 1897 mwifiex_dbg(priv->adapter, ERROR, 1898 "Failed to delete mgmt IEs!\n"); 1899 1900 priv->ap_11n_enabled = 0; 1901 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 1902 1903 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 1904 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1905 mwifiex_dbg(priv->adapter, ERROR, 1906 "Failed to stop the BSS\n"); 1907 return -1; 1908 } 1909 1910 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 1911 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1912 mwifiex_dbg(priv->adapter, ERROR, 1913 "Failed to reset BSS\n"); 1914 return -1; 1915 } 1916 1917 if (netif_carrier_ok(priv->netdev)) 1918 netif_carrier_off(priv->netdev); 1919 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 1920 1921 return 0; 1922 } 1923 1924 /* cfg80211 operation handler for start_ap. 1925 * Function sets beacon period, DTIM period, SSID and security into 1926 * AP config structure. 1927 * AP is configured with these settings and BSS is started. 1928 */ 1929 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 1930 struct net_device *dev, 1931 struct cfg80211_ap_settings *params) 1932 { 1933 struct mwifiex_uap_bss_param *bss_cfg; 1934 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1935 1936 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 1937 return -1; 1938 1939 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 1940 if (!bss_cfg) 1941 return -ENOMEM; 1942 1943 mwifiex_set_sys_config_invalid_data(bss_cfg); 1944 1945 if (params->beacon_interval) 1946 bss_cfg->beacon_period = params->beacon_interval; 1947 if (params->dtim_period) 1948 bss_cfg->dtim_period = params->dtim_period; 1949 1950 if (params->ssid && params->ssid_len) { 1951 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 1952 bss_cfg->ssid.ssid_len = params->ssid_len; 1953 } 1954 if (params->inactivity_timeout > 0) { 1955 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 1956 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 1957 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 1958 } 1959 1960 switch (params->hidden_ssid) { 1961 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1962 bss_cfg->bcast_ssid_ctl = 1; 1963 break; 1964 case NL80211_HIDDEN_SSID_ZERO_LEN: 1965 bss_cfg->bcast_ssid_ctl = 0; 1966 break; 1967 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1968 /* firmware doesn't support this type of hidden SSID */ 1969 default: 1970 kfree(bss_cfg); 1971 return -EINVAL; 1972 } 1973 1974 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 1975 mwifiex_set_uap_rates(bss_cfg, params); 1976 1977 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 1978 mwifiex_dbg(priv->adapter, ERROR, 1979 "Failed to parse security parameters!\n"); 1980 goto out; 1981 } 1982 1983 mwifiex_set_ht_params(priv, bss_cfg, params); 1984 1985 if (priv->adapter->is_hw_11ac_capable) { 1986 mwifiex_set_vht_params(priv, bss_cfg, params); 1987 mwifiex_set_vht_width(priv, params->chandef.width, 1988 priv->ap_11ac_enabled); 1989 } 1990 1991 if (priv->ap_11ac_enabled) 1992 mwifiex_set_11ac_ba_params(priv); 1993 else 1994 mwifiex_set_ba_params(priv); 1995 1996 mwifiex_set_wmm_params(priv, bss_cfg, params); 1997 1998 if (mwifiex_is_11h_active(priv)) 1999 mwifiex_set_tpc_params(priv, bss_cfg, params); 2000 2001 if (mwifiex_is_11h_active(priv) && 2002 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 2003 priv->bss_mode)) { 2004 mwifiex_dbg(priv->adapter, INFO, 2005 "Disable 11h extensions in FW\n"); 2006 if (mwifiex_11h_activate(priv, false)) { 2007 mwifiex_dbg(priv->adapter, ERROR, 2008 "Failed to disable 11h extensions!!"); 2009 goto out; 2010 } 2011 priv->state_11h.is_11h_active = false; 2012 } 2013 2014 mwifiex_config_uap_11d(priv, ¶ms->beacon); 2015 2016 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2017 mwifiex_dbg(priv->adapter, ERROR, 2018 "Failed to start AP\n"); 2019 goto out; 2020 } 2021 2022 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2023 goto out; 2024 2025 if (!netif_carrier_ok(priv->netdev)) 2026 netif_carrier_on(priv->netdev); 2027 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2028 2029 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2030 kfree(bss_cfg); 2031 return 0; 2032 2033 out: 2034 kfree(bss_cfg); 2035 return -1; 2036 } 2037 2038 /* 2039 * CFG802.11 operation handler for disconnection request. 2040 * 2041 * This function does not work when there is already a disconnection 2042 * procedure going on. 2043 */ 2044 static int 2045 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2046 u16 reason_code) 2047 { 2048 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2049 2050 if (!mwifiex_stop_bg_scan(priv)) 2051 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2052 2053 if (mwifiex_deauthenticate(priv, NULL)) 2054 return -EFAULT; 2055 2056 eth_zero_addr(priv->cfg_bssid); 2057 priv->hs2_enabled = false; 2058 2059 return 0; 2060 } 2061 2062 /* 2063 * This function informs the CFG802.11 subsystem of a new IBSS. 2064 * 2065 * The following information are sent to the CFG802.11 subsystem 2066 * to register the new IBSS. If we do not register the new IBSS, 2067 * a kernel panic will result. 2068 * - SSID 2069 * - SSID length 2070 * - BSSID 2071 * - Channel 2072 */ 2073 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2074 { 2075 struct ieee80211_channel *chan; 2076 struct mwifiex_bss_info bss_info; 2077 struct cfg80211_bss *bss; 2078 int ie_len; 2079 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2080 enum nl80211_band band; 2081 2082 if (mwifiex_get_bss_info(priv, &bss_info)) 2083 return -1; 2084 2085 ie_buf[0] = WLAN_EID_SSID; 2086 ie_buf[1] = bss_info.ssid.ssid_len; 2087 2088 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2089 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2090 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2091 2092 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2093 chan = ieee80211_get_channel(priv->wdev.wiphy, 2094 ieee80211_channel_to_frequency(bss_info.bss_chan, 2095 band)); 2096 2097 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2098 CFG80211_BSS_FTYPE_UNKNOWN, 2099 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2100 0, ie_buf, ie_len, 0, GFP_KERNEL); 2101 if (bss) { 2102 cfg80211_put_bss(priv->wdev.wiphy, bss); 2103 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2104 } 2105 2106 return 0; 2107 } 2108 2109 /* 2110 * This function connects with a BSS. 2111 * 2112 * This function handles both Infra and Ad-Hoc modes. It also performs 2113 * validity checking on the provided parameters, disconnects from the 2114 * current BSS (if any), sets up the association/scan parameters, 2115 * including security settings, and performs specific SSID scan before 2116 * trying to connect. 2117 * 2118 * For Infra mode, the function returns failure if the specified SSID 2119 * is not found in scan table. However, for Ad-Hoc mode, it can create 2120 * the IBSS if it does not exist. On successful completion in either case, 2121 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2122 */ 2123 static int 2124 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2125 const u8 *ssid, const u8 *bssid, int mode, 2126 struct ieee80211_channel *channel, 2127 struct cfg80211_connect_params *sme, bool privacy) 2128 { 2129 struct cfg80211_ssid req_ssid; 2130 int ret, auth_type = 0; 2131 struct cfg80211_bss *bss = NULL; 2132 u8 is_scanning_required = 0; 2133 2134 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2135 2136 req_ssid.ssid_len = ssid_len; 2137 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2138 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2139 return -EINVAL; 2140 } 2141 2142 memcpy(req_ssid.ssid, ssid, ssid_len); 2143 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2144 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2145 return -EINVAL; 2146 } 2147 2148 /* As this is new association, clear locally stored 2149 * keys and security related flags */ 2150 priv->sec_info.wpa_enabled = false; 2151 priv->sec_info.wpa2_enabled = false; 2152 priv->wep_key_curr_index = 0; 2153 priv->sec_info.encryption_mode = 0; 2154 priv->sec_info.is_authtype_auto = 0; 2155 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2156 2157 if (mode == NL80211_IFTYPE_ADHOC) { 2158 u16 enable = true; 2159 2160 /* set ibss coalescing_status */ 2161 ret = mwifiex_send_cmd( 2162 priv, 2163 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2164 HostCmd_ACT_GEN_SET, 0, &enable, true); 2165 if (ret) 2166 return ret; 2167 2168 /* "privacy" is set only for ad-hoc mode */ 2169 if (privacy) { 2170 /* 2171 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2172 * the firmware can find a matching network from the 2173 * scan. The cfg80211 does not give us the encryption 2174 * mode at this stage so just setting it to WEP here. 2175 */ 2176 priv->sec_info.encryption_mode = 2177 WLAN_CIPHER_SUITE_WEP104; 2178 priv->sec_info.authentication_mode = 2179 NL80211_AUTHTYPE_OPEN_SYSTEM; 2180 } 2181 2182 goto done; 2183 } 2184 2185 /* Now handle infra mode. "sme" is valid for infra mode only */ 2186 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2187 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2188 priv->sec_info.is_authtype_auto = 1; 2189 } else { 2190 auth_type = sme->auth_type; 2191 } 2192 2193 if (sme->crypto.n_ciphers_pairwise) { 2194 priv->sec_info.encryption_mode = 2195 sme->crypto.ciphers_pairwise[0]; 2196 priv->sec_info.authentication_mode = auth_type; 2197 } 2198 2199 if (sme->crypto.cipher_group) { 2200 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2201 priv->sec_info.authentication_mode = auth_type; 2202 } 2203 if (sme->ie) 2204 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2205 2206 if (sme->key) { 2207 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2208 mwifiex_dbg(priv->adapter, INFO, 2209 "info: setting wep encryption\t" 2210 "with key len %d\n", sme->key_len); 2211 priv->wep_key_curr_index = sme->key_idx; 2212 ret = mwifiex_set_encode(priv, NULL, sme->key, 2213 sme->key_len, sme->key_idx, 2214 NULL, 0); 2215 } 2216 } 2217 done: 2218 /* 2219 * Scan entries are valid for some time (15 sec). So we can save one 2220 * active scan time if we just try cfg80211_get_bss first. If it fails 2221 * then request scan and cfg80211_get_bss() again for final output. 2222 */ 2223 while (1) { 2224 if (is_scanning_required) { 2225 /* Do specific SSID scanning */ 2226 if (mwifiex_request_scan(priv, &req_ssid)) { 2227 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2228 return -EFAULT; 2229 } 2230 } 2231 2232 /* Find the BSS we want using available scan results */ 2233 if (mode == NL80211_IFTYPE_ADHOC) 2234 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2235 bssid, ssid, ssid_len, 2236 IEEE80211_BSS_TYPE_IBSS, 2237 IEEE80211_PRIVACY_ANY); 2238 else 2239 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2240 bssid, ssid, ssid_len, 2241 IEEE80211_BSS_TYPE_ESS, 2242 IEEE80211_PRIVACY_ANY); 2243 2244 if (!bss) { 2245 if (is_scanning_required) { 2246 mwifiex_dbg(priv->adapter, WARN, 2247 "assoc: requested bss not found in scan results\n"); 2248 break; 2249 } 2250 is_scanning_required = 1; 2251 } else { 2252 mwifiex_dbg(priv->adapter, MSG, 2253 "info: trying to associate to '%.*s' bssid %pM\n", 2254 req_ssid.ssid_len, (char *)req_ssid.ssid, 2255 bss->bssid); 2256 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2257 break; 2258 } 2259 } 2260 2261 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2262 if (ret) 2263 return ret; 2264 2265 if (mode == NL80211_IFTYPE_ADHOC) { 2266 /* Inform the BSS information to kernel, otherwise 2267 * kernel will give a panic after successful assoc */ 2268 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2269 return -EFAULT; 2270 } 2271 2272 return ret; 2273 } 2274 2275 /* 2276 * CFG802.11 operation handler for association request. 2277 * 2278 * This function does not work when the current mode is set to Ad-Hoc, or 2279 * when there is already an association procedure going on. The given BSS 2280 * information is used to associate. 2281 */ 2282 static int 2283 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2284 struct cfg80211_connect_params *sme) 2285 { 2286 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2287 struct mwifiex_adapter *adapter = priv->adapter; 2288 int ret; 2289 2290 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2291 mwifiex_dbg(adapter, ERROR, 2292 "%s: reject infra assoc request in non-STA role\n", 2293 dev->name); 2294 return -EINVAL; 2295 } 2296 2297 if (priv->wdev.current_bss) { 2298 mwifiex_dbg(adapter, ERROR, 2299 "%s: already connected\n", dev->name); 2300 return -EALREADY; 2301 } 2302 2303 if (priv->scan_block) 2304 priv->scan_block = false; 2305 2306 if (adapter->surprise_removed || adapter->is_cmd_timedout) { 2307 mwifiex_dbg(adapter, ERROR, 2308 "%s: Ignore connection.\t" 2309 "Card removed or FW in bad state\n", 2310 dev->name); 2311 return -EFAULT; 2312 } 2313 2314 mwifiex_dbg(adapter, INFO, 2315 "info: Trying to associate to %.*s and bssid %pM\n", 2316 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid); 2317 2318 if (!mwifiex_stop_bg_scan(priv)) 2319 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2320 2321 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2322 priv->bss_mode, sme->channel, sme, 0); 2323 if (!ret) { 2324 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2325 NULL, 0, WLAN_STATUS_SUCCESS, 2326 GFP_KERNEL); 2327 mwifiex_dbg(priv->adapter, MSG, 2328 "info: associated to bssid %pM successfully\n", 2329 priv->cfg_bssid); 2330 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2331 priv->adapter->auto_tdls && 2332 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2333 mwifiex_setup_auto_tdls_timer(priv); 2334 } else { 2335 mwifiex_dbg(priv->adapter, ERROR, 2336 "info: association to bssid %pM failed\n", 2337 priv->cfg_bssid); 2338 eth_zero_addr(priv->cfg_bssid); 2339 2340 if (ret > 0) 2341 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2342 NULL, 0, NULL, 0, ret, 2343 GFP_KERNEL); 2344 else 2345 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2346 NULL, 0, NULL, 0, 2347 WLAN_STATUS_UNSPECIFIED_FAILURE, 2348 GFP_KERNEL); 2349 } 2350 2351 return 0; 2352 } 2353 2354 /* 2355 * This function sets following parameters for ibss network. 2356 * - channel 2357 * - start band 2358 * - 11n flag 2359 * - secondary channel offset 2360 */ 2361 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2362 struct cfg80211_ibss_params *params) 2363 { 2364 struct mwifiex_adapter *adapter = priv->adapter; 2365 int index = 0, i; 2366 u8 config_bands = 0; 2367 2368 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2369 if (!params->basic_rates) { 2370 config_bands = BAND_B | BAND_G; 2371 } else { 2372 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2373 /* 2374 * Rates below 6 Mbps in the table are CCK 2375 * rates; 802.11b and from 6 they are OFDM; 2376 * 802.11G 2377 */ 2378 if (mwifiex_rates[i].bitrate == 60) { 2379 index = 1 << i; 2380 break; 2381 } 2382 } 2383 2384 if (params->basic_rates < index) { 2385 config_bands = BAND_B; 2386 } else { 2387 config_bands = BAND_G; 2388 if (params->basic_rates % index) 2389 config_bands |= BAND_B; 2390 } 2391 } 2392 2393 if (cfg80211_get_chandef_type(¶ms->chandef) != 2394 NL80211_CHAN_NO_HT) 2395 config_bands |= BAND_G | BAND_GN; 2396 } else { 2397 if (cfg80211_get_chandef_type(¶ms->chandef) == 2398 NL80211_CHAN_NO_HT) 2399 config_bands = BAND_A; 2400 else 2401 config_bands = BAND_AN | BAND_A; 2402 } 2403 2404 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2405 adapter->config_bands = config_bands; 2406 adapter->adhoc_start_band = config_bands; 2407 2408 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2409 adapter->adhoc_11n_enabled = true; 2410 else 2411 adapter->adhoc_11n_enabled = false; 2412 } 2413 2414 adapter->sec_chan_offset = 2415 mwifiex_chan_type_to_sec_chan_offset( 2416 cfg80211_get_chandef_type(¶ms->chandef)); 2417 priv->adhoc_channel = ieee80211_frequency_to_channel( 2418 params->chandef.chan->center_freq); 2419 2420 mwifiex_dbg(adapter, INFO, 2421 "info: set ibss band %d, chan %d, chan offset %d\n", 2422 config_bands, priv->adhoc_channel, 2423 adapter->sec_chan_offset); 2424 2425 return 0; 2426 } 2427 2428 /* 2429 * CFG802.11 operation handler to join an IBSS. 2430 * 2431 * This function does not work in any mode other than Ad-Hoc, or if 2432 * a join operation is already in progress. 2433 */ 2434 static int 2435 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2436 struct cfg80211_ibss_params *params) 2437 { 2438 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2439 int ret = 0; 2440 2441 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2442 mwifiex_dbg(priv->adapter, ERROR, 2443 "request to join ibss received\t" 2444 "when station is not in ibss mode\n"); 2445 goto done; 2446 } 2447 2448 mwifiex_dbg(priv->adapter, MSG, 2449 "info: trying to join to %.*s and bssid %pM\n", 2450 params->ssid_len, (char *)params->ssid, params->bssid); 2451 2452 mwifiex_set_ibss_params(priv, params); 2453 2454 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2455 params->bssid, priv->bss_mode, 2456 params->chandef.chan, NULL, 2457 params->privacy); 2458 done: 2459 if (!ret) { 2460 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2461 params->chandef.chan, GFP_KERNEL); 2462 mwifiex_dbg(priv->adapter, MSG, 2463 "info: joined/created adhoc network with bssid\t" 2464 "%pM successfully\n", priv->cfg_bssid); 2465 } else { 2466 mwifiex_dbg(priv->adapter, ERROR, 2467 "info: failed creating/joining adhoc network\n"); 2468 } 2469 2470 return ret; 2471 } 2472 2473 /* 2474 * CFG802.11 operation handler to leave an IBSS. 2475 * 2476 * This function does not work if a leave operation is 2477 * already in progress. 2478 */ 2479 static int 2480 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2481 { 2482 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2483 2484 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2485 priv->cfg_bssid); 2486 if (mwifiex_deauthenticate(priv, NULL)) 2487 return -EFAULT; 2488 2489 eth_zero_addr(priv->cfg_bssid); 2490 2491 return 0; 2492 } 2493 2494 /* 2495 * CFG802.11 operation handler for scan request. 2496 * 2497 * This function issues a scan request to the firmware based upon 2498 * the user specified scan configuration. On successful completion, 2499 * it also informs the results. 2500 */ 2501 static int 2502 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2503 struct cfg80211_scan_request *request) 2504 { 2505 struct net_device *dev = request->wdev->netdev; 2506 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2507 int i, offset, ret; 2508 struct ieee80211_channel *chan; 2509 struct ieee_types_header *ie; 2510 struct mwifiex_user_scan_cfg *user_scan_cfg; 2511 u8 mac_addr[ETH_ALEN]; 2512 2513 mwifiex_dbg(priv->adapter, CMD, 2514 "info: received scan request on %s\n", dev->name); 2515 2516 /* Block scan request if scan operation or scan cleanup when interface 2517 * is disabled is in process 2518 */ 2519 if (priv->scan_request || priv->scan_aborting) { 2520 mwifiex_dbg(priv->adapter, WARN, 2521 "cmd: Scan already in process..\n"); 2522 return -EBUSY; 2523 } 2524 2525 if (!priv->wdev.current_bss && priv->scan_block) 2526 priv->scan_block = false; 2527 2528 if (!mwifiex_stop_bg_scan(priv)) 2529 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2530 2531 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2532 if (!user_scan_cfg) 2533 return -ENOMEM; 2534 2535 priv->scan_request = request; 2536 2537 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2538 get_random_mask_addr(mac_addr, request->mac_addr, 2539 request->mac_addr_mask); 2540 ether_addr_copy(request->mac_addr, mac_addr); 2541 ether_addr_copy(user_scan_cfg->random_mac, mac_addr); 2542 } 2543 2544 user_scan_cfg->num_ssids = request->n_ssids; 2545 user_scan_cfg->ssid_list = request->ssids; 2546 2547 if (request->ie && request->ie_len) { 2548 offset = 0; 2549 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2550 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2551 continue; 2552 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2553 ie = (struct ieee_types_header *)(request->ie + offset); 2554 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2555 offset += sizeof(*ie) + ie->len; 2556 2557 if (offset >= request->ie_len) 2558 break; 2559 } 2560 } 2561 2562 for (i = 0; i < min_t(u32, request->n_channels, 2563 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2564 chan = request->channels[i]; 2565 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2566 user_scan_cfg->chan_list[i].radio_type = chan->band; 2567 2568 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2569 user_scan_cfg->chan_list[i].scan_type = 2570 MWIFIEX_SCAN_TYPE_PASSIVE; 2571 else 2572 user_scan_cfg->chan_list[i].scan_type = 2573 MWIFIEX_SCAN_TYPE_ACTIVE; 2574 2575 user_scan_cfg->chan_list[i].scan_time = 0; 2576 } 2577 2578 if (priv->adapter->scan_chan_gap_enabled && 2579 mwifiex_is_any_intf_active(priv)) 2580 user_scan_cfg->scan_chan_gap = 2581 priv->adapter->scan_chan_gap_time; 2582 2583 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2584 kfree(user_scan_cfg); 2585 if (ret) { 2586 mwifiex_dbg(priv->adapter, ERROR, 2587 "scan failed: %d\n", ret); 2588 priv->scan_aborting = false; 2589 priv->scan_request = NULL; 2590 return ret; 2591 } 2592 2593 if (request->ie && request->ie_len) { 2594 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2595 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2596 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2597 memset(&priv->vs_ie[i].ie, 0, 2598 MWIFIEX_MAX_VSIE_LEN); 2599 } 2600 } 2601 } 2602 return 0; 2603 } 2604 2605 /* CFG802.11 operation handler for sched_scan_start. 2606 * 2607 * This function issues a bgscan config request to the firmware based upon 2608 * the user specified sched_scan configuration. On successful completion, 2609 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2610 * query command to get sched_scan results from firmware. 2611 */ 2612 static int 2613 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2614 struct net_device *dev, 2615 struct cfg80211_sched_scan_request *request) 2616 { 2617 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2618 int i, offset; 2619 struct ieee80211_channel *chan; 2620 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2621 struct ieee_types_header *ie; 2622 2623 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2624 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2625 __func__); 2626 return -EINVAL; 2627 } 2628 2629 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2630 request->n_ssids, request->n_match_sets); 2631 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2632 request->n_channels, request->scan_plans->interval, 2633 (int)request->ie_len); 2634 2635 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2636 if (!bgscan_cfg) 2637 return -ENOMEM; 2638 2639 if (priv->scan_request || priv->scan_aborting) 2640 bgscan_cfg->start_later = true; 2641 2642 bgscan_cfg->num_ssids = request->n_match_sets; 2643 bgscan_cfg->ssid_list = request->match_sets; 2644 2645 if (request->ie && request->ie_len) { 2646 offset = 0; 2647 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2648 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2649 continue; 2650 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2651 ie = (struct ieee_types_header *)(request->ie + offset); 2652 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2653 offset += sizeof(*ie) + ie->len; 2654 2655 if (offset >= request->ie_len) 2656 break; 2657 } 2658 } 2659 2660 for (i = 0; i < min_t(u32, request->n_channels, 2661 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2662 chan = request->channels[i]; 2663 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2664 bgscan_cfg->chan_list[i].radio_type = chan->band; 2665 2666 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2667 bgscan_cfg->chan_list[i].scan_type = 2668 MWIFIEX_SCAN_TYPE_PASSIVE; 2669 else 2670 bgscan_cfg->chan_list[i].scan_type = 2671 MWIFIEX_SCAN_TYPE_ACTIVE; 2672 2673 bgscan_cfg->chan_list[i].scan_time = 0; 2674 } 2675 2676 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2677 MWIFIEX_BG_SCAN_CHAN_MAX); 2678 2679 /* Use at least 15 second for per scan cycle */ 2680 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2681 MWIFIEX_BGSCAN_INTERVAL) ? 2682 request->scan_plans->interval : 2683 MWIFIEX_BGSCAN_INTERVAL; 2684 2685 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2686 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2687 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2688 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2689 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2690 bgscan_cfg->enable = true; 2691 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2692 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2693 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2694 } 2695 2696 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2697 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2698 kfree(bgscan_cfg); 2699 return -EFAULT; 2700 } 2701 2702 priv->sched_scanning = true; 2703 2704 kfree(bgscan_cfg); 2705 return 0; 2706 } 2707 2708 /* CFG802.11 operation handler for sched_scan_stop. 2709 * 2710 * This function issues a bgscan config command to disable 2711 * previous bgscan configuration in the firmware 2712 */ 2713 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2714 struct net_device *dev, u64 reqid) 2715 { 2716 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2717 2718 wiphy_info(wiphy, "sched scan stop!"); 2719 mwifiex_stop_bg_scan(priv); 2720 2721 return 0; 2722 } 2723 2724 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2725 struct mwifiex_private *priv) 2726 { 2727 struct mwifiex_adapter *adapter = priv->adapter; 2728 2729 vht_info->vht_supported = true; 2730 2731 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2732 /* Update MCS support for VHT */ 2733 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2734 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2735 vht_info->vht_mcs.rx_highest = 0; 2736 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2737 adapter->hw_dot_11ac_mcs_support >> 16); 2738 vht_info->vht_mcs.tx_highest = 0; 2739 } 2740 2741 /* 2742 * This function sets up the CFG802.11 specific HT capability fields 2743 * with default values. 2744 * 2745 * The following default values are set - 2746 * - HT Supported = True 2747 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2748 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2749 * - HT Capabilities supported by firmware 2750 * - MCS information, Rx mask = 0xff 2751 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2752 */ 2753 static void 2754 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2755 struct mwifiex_private *priv) 2756 { 2757 int rx_mcs_supp; 2758 struct ieee80211_mcs_info mcs_set; 2759 u8 *mcs = (u8 *)&mcs_set; 2760 struct mwifiex_adapter *adapter = priv->adapter; 2761 2762 ht_info->ht_supported = true; 2763 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2764 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2765 2766 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2767 2768 /* Fill HT capability information */ 2769 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2770 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2771 else 2772 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2773 2774 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2775 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2776 else 2777 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2778 2779 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2780 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2781 else 2782 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2783 2784 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2785 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2786 else 2787 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2788 2789 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2790 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2791 else 2792 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2793 2794 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2795 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2796 else 2797 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2798 2799 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2800 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2801 else 2802 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2803 2804 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2805 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2806 else 2807 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2808 2809 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2810 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2811 2812 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2813 /* Set MCS for 1x1/2x2 */ 2814 memset(mcs, 0xff, rx_mcs_supp); 2815 /* Clear all the other values */ 2816 memset(&mcs[rx_mcs_supp], 0, 2817 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2818 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2819 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2820 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2821 SETHT_MCS32(mcs_set.rx_mask); 2822 2823 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2824 2825 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2826 } 2827 2828 /* 2829 * create a new virtual interface with the given name and name assign type 2830 */ 2831 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2832 const char *name, 2833 unsigned char name_assign_type, 2834 enum nl80211_iftype type, 2835 struct vif_params *params) 2836 { 2837 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2838 struct mwifiex_private *priv; 2839 struct net_device *dev; 2840 void *mdev_priv; 2841 int ret; 2842 2843 if (!adapter) 2844 return ERR_PTR(-EFAULT); 2845 2846 switch (type) { 2847 case NL80211_IFTYPE_UNSPECIFIED: 2848 case NL80211_IFTYPE_STATION: 2849 case NL80211_IFTYPE_ADHOC: 2850 if (adapter->curr_iface_comb.sta_intf == 2851 adapter->iface_limit.sta_intf) { 2852 mwifiex_dbg(adapter, ERROR, 2853 "cannot create multiple sta/adhoc ifaces\n"); 2854 return ERR_PTR(-EINVAL); 2855 } 2856 2857 priv = mwifiex_get_unused_priv_by_bss_type( 2858 adapter, MWIFIEX_BSS_TYPE_STA); 2859 if (!priv) { 2860 mwifiex_dbg(adapter, ERROR, 2861 "could not get free private struct\n"); 2862 return ERR_PTR(-EFAULT); 2863 } 2864 2865 priv->wdev.wiphy = wiphy; 2866 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2867 2868 if (type == NL80211_IFTYPE_UNSPECIFIED) 2869 priv->bss_mode = NL80211_IFTYPE_STATION; 2870 else 2871 priv->bss_mode = type; 2872 2873 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2874 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2875 priv->bss_priority = 0; 2876 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2877 2878 break; 2879 case NL80211_IFTYPE_AP: 2880 if (adapter->curr_iface_comb.uap_intf == 2881 adapter->iface_limit.uap_intf) { 2882 mwifiex_dbg(adapter, ERROR, 2883 "cannot create multiple AP ifaces\n"); 2884 return ERR_PTR(-EINVAL); 2885 } 2886 2887 priv = mwifiex_get_unused_priv_by_bss_type( 2888 adapter, MWIFIEX_BSS_TYPE_UAP); 2889 if (!priv) { 2890 mwifiex_dbg(adapter, ERROR, 2891 "could not get free private struct\n"); 2892 return ERR_PTR(-EFAULT); 2893 } 2894 2895 priv->wdev.wiphy = wiphy; 2896 priv->wdev.iftype = NL80211_IFTYPE_AP; 2897 2898 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2899 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2900 priv->bss_priority = 0; 2901 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2902 priv->bss_started = 0; 2903 priv->bss_mode = type; 2904 2905 break; 2906 case NL80211_IFTYPE_P2P_CLIENT: 2907 if (adapter->curr_iface_comb.p2p_intf == 2908 adapter->iface_limit.p2p_intf) { 2909 mwifiex_dbg(adapter, ERROR, 2910 "cannot create multiple P2P ifaces\n"); 2911 return ERR_PTR(-EINVAL); 2912 } 2913 2914 priv = mwifiex_get_unused_priv_by_bss_type( 2915 adapter, MWIFIEX_BSS_TYPE_P2P); 2916 if (!priv) { 2917 mwifiex_dbg(adapter, ERROR, 2918 "could not get free private struct\n"); 2919 return ERR_PTR(-EFAULT); 2920 } 2921 2922 priv->wdev.wiphy = wiphy; 2923 /* At start-up, wpa_supplicant tries to change the interface 2924 * to NL80211_IFTYPE_STATION if it is not managed mode. 2925 */ 2926 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2927 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2928 2929 /* Setting bss_type to P2P tells firmware that this interface 2930 * is receiving P2P peers found during find phase and doing 2931 * action frame handshake. 2932 */ 2933 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2934 2935 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2936 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2937 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2938 priv->bss_started = 0; 2939 2940 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2941 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2942 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2943 return ERR_PTR(-EFAULT); 2944 } 2945 2946 break; 2947 default: 2948 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2949 return ERR_PTR(-EINVAL); 2950 } 2951 2952 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 2953 name_assign_type, ether_setup, 2954 IEEE80211_NUM_ACS, 1); 2955 if (!dev) { 2956 mwifiex_dbg(adapter, ERROR, 2957 "no memory available for netdevice\n"); 2958 ret = -ENOMEM; 2959 goto err_alloc_netdev; 2960 } 2961 2962 mwifiex_init_priv_params(priv, dev); 2963 2964 priv->netdev = dev; 2965 2966 if (!adapter->mfg_mode) { 2967 mwifiex_set_mac_address(priv, dev); 2968 2969 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 2970 HostCmd_ACT_GEN_SET, 0, NULL, true); 2971 if (ret) 2972 goto err_set_bss_mode; 2973 2974 ret = mwifiex_sta_init_cmd(priv, false, false); 2975 if (ret) 2976 goto err_sta_init; 2977 } 2978 2979 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 2980 if (adapter->is_hw_11ac_capable) 2981 mwifiex_setup_vht_caps( 2982 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 2983 2984 if (adapter->config_bands & BAND_A) 2985 mwifiex_setup_ht_caps( 2986 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 2987 2988 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 2989 mwifiex_setup_vht_caps( 2990 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 2991 2992 dev_net_set(dev, wiphy_net(wiphy)); 2993 dev->ieee80211_ptr = &priv->wdev; 2994 dev->ieee80211_ptr->iftype = priv->bss_mode; 2995 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 2996 2997 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 2998 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 2999 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 3000 dev->ethtool_ops = &mwifiex_ethtool_ops; 3001 3002 mdev_priv = netdev_priv(dev); 3003 *((unsigned long *) mdev_priv) = (unsigned long) priv; 3004 3005 SET_NETDEV_DEV(dev, adapter->dev); 3006 3007 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 3008 WQ_HIGHPRI | 3009 WQ_MEM_RECLAIM | 3010 WQ_UNBOUND, 1, name); 3011 if (!priv->dfs_cac_workqueue) { 3012 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); 3013 ret = -ENOMEM; 3014 goto err_alloc_cac; 3015 } 3016 3017 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3018 3019 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 3020 WQ_HIGHPRI | WQ_UNBOUND | 3021 WQ_MEM_RECLAIM, 1, name); 3022 if (!priv->dfs_chan_sw_workqueue) { 3023 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); 3024 ret = -ENOMEM; 3025 goto err_alloc_chsw; 3026 } 3027 3028 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3029 mwifiex_dfs_chan_sw_work_queue); 3030 3031 mutex_init(&priv->async_mutex); 3032 3033 /* Register network device */ 3034 if (register_netdevice(dev)) { 3035 mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); 3036 ret = -EFAULT; 3037 goto err_reg_netdev; 3038 } 3039 3040 mwifiex_dbg(adapter, INFO, 3041 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3042 3043 #ifdef CONFIG_DEBUG_FS 3044 mwifiex_dev_debugfs_init(priv); 3045 #endif 3046 3047 switch (type) { 3048 case NL80211_IFTYPE_UNSPECIFIED: 3049 case NL80211_IFTYPE_STATION: 3050 case NL80211_IFTYPE_ADHOC: 3051 adapter->curr_iface_comb.sta_intf++; 3052 break; 3053 case NL80211_IFTYPE_AP: 3054 adapter->curr_iface_comb.uap_intf++; 3055 break; 3056 case NL80211_IFTYPE_P2P_CLIENT: 3057 adapter->curr_iface_comb.p2p_intf++; 3058 break; 3059 default: 3060 /* This should be dead code; checked above */ 3061 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3062 return ERR_PTR(-EINVAL); 3063 } 3064 3065 return &priv->wdev; 3066 3067 err_reg_netdev: 3068 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3069 priv->dfs_chan_sw_workqueue = NULL; 3070 err_alloc_chsw: 3071 destroy_workqueue(priv->dfs_cac_workqueue); 3072 priv->dfs_cac_workqueue = NULL; 3073 err_alloc_cac: 3074 free_netdev(dev); 3075 priv->netdev = NULL; 3076 err_sta_init: 3077 err_set_bss_mode: 3078 err_alloc_netdev: 3079 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3080 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3081 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3082 return ERR_PTR(ret); 3083 } 3084 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3085 3086 /* 3087 * del_virtual_intf: remove the virtual interface determined by dev 3088 */ 3089 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3090 { 3091 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3092 struct mwifiex_adapter *adapter = priv->adapter; 3093 struct sk_buff *skb, *tmp; 3094 3095 #ifdef CONFIG_DEBUG_FS 3096 mwifiex_dev_debugfs_remove(priv); 3097 #endif 3098 3099 if (priv->sched_scanning) 3100 priv->sched_scanning = false; 3101 3102 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3103 3104 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3105 skb_unlink(skb, &priv->bypass_txq); 3106 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3107 } 3108 3109 if (netif_carrier_ok(priv->netdev)) 3110 netif_carrier_off(priv->netdev); 3111 3112 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3113 unregister_netdevice(wdev->netdev); 3114 3115 if (priv->dfs_cac_workqueue) { 3116 flush_workqueue(priv->dfs_cac_workqueue); 3117 destroy_workqueue(priv->dfs_cac_workqueue); 3118 priv->dfs_cac_workqueue = NULL; 3119 } 3120 3121 if (priv->dfs_chan_sw_workqueue) { 3122 flush_workqueue(priv->dfs_chan_sw_workqueue); 3123 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3124 priv->dfs_chan_sw_workqueue = NULL; 3125 } 3126 /* Clear the priv in adapter */ 3127 priv->netdev = NULL; 3128 3129 switch (priv->bss_mode) { 3130 case NL80211_IFTYPE_UNSPECIFIED: 3131 case NL80211_IFTYPE_STATION: 3132 case NL80211_IFTYPE_ADHOC: 3133 adapter->curr_iface_comb.sta_intf--; 3134 break; 3135 case NL80211_IFTYPE_AP: 3136 adapter->curr_iface_comb.uap_intf--; 3137 break; 3138 case NL80211_IFTYPE_P2P_CLIENT: 3139 case NL80211_IFTYPE_P2P_GO: 3140 adapter->curr_iface_comb.p2p_intf--; 3141 break; 3142 default: 3143 mwifiex_dbg(adapter, ERROR, 3144 "del_virtual_intf: type not supported\n"); 3145 break; 3146 } 3147 3148 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3149 3150 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3151 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3152 kfree(priv->hist_data); 3153 3154 return 0; 3155 } 3156 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3157 3158 static bool 3159 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3160 u8 max_byte_seq) 3161 { 3162 int j, k, valid_byte_cnt = 0; 3163 bool dont_care_byte = false; 3164 3165 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3166 for (k = 0; k < 8; k++) { 3167 if (pat->mask[j] & 1 << k) { 3168 memcpy(byte_seq + valid_byte_cnt, 3169 &pat->pattern[j * 8 + k], 1); 3170 valid_byte_cnt++; 3171 if (dont_care_byte) 3172 return false; 3173 } else { 3174 if (valid_byte_cnt) 3175 dont_care_byte = true; 3176 } 3177 3178 /* wildcard bytes record as the offset 3179 * before the valid byte 3180 */ 3181 if (!valid_byte_cnt && !dont_care_byte) 3182 pat->pkt_offset++; 3183 3184 if (valid_byte_cnt > max_byte_seq) 3185 return false; 3186 } 3187 } 3188 3189 byte_seq[max_byte_seq] = valid_byte_cnt; 3190 3191 return true; 3192 } 3193 3194 #ifdef CONFIG_PM 3195 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3196 struct mwifiex_mef_entry *mef_entry) 3197 { 3198 int i, filt_num = 0, num_ipv4 = 0; 3199 struct in_device *in_dev; 3200 struct in_ifaddr *ifa; 3201 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3202 struct mwifiex_adapter *adapter = priv->adapter; 3203 3204 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3205 mef_entry->action = MEF_ACTION_AUTO_ARP; 3206 3207 /* Enable ARP offload feature */ 3208 memset(ips, 0, sizeof(ips)); 3209 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3210 if (adapter->priv[i]->netdev) { 3211 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3212 if (!in_dev) 3213 continue; 3214 ifa = in_dev->ifa_list; 3215 if (!ifa || !ifa->ifa_local) 3216 continue; 3217 ips[i] = ifa->ifa_local; 3218 num_ipv4++; 3219 } 3220 } 3221 3222 for (i = 0; i < num_ipv4; i++) { 3223 if (!ips[i]) 3224 continue; 3225 mef_entry->filter[filt_num].repeat = 1; 3226 memcpy(mef_entry->filter[filt_num].byte_seq, 3227 (u8 *)&ips[i], sizeof(ips[i])); 3228 mef_entry->filter[filt_num]. 3229 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3230 sizeof(ips[i]); 3231 mef_entry->filter[filt_num].offset = 46; 3232 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3233 if (filt_num) { 3234 mef_entry->filter[filt_num].filt_action = 3235 TYPE_OR; 3236 } 3237 filt_num++; 3238 } 3239 3240 mef_entry->filter[filt_num].repeat = 1; 3241 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3242 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3243 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3244 mef_entry->filter[filt_num].offset = 20; 3245 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3246 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3247 } 3248 3249 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3250 struct mwifiex_ds_mef_cfg *mef_cfg, 3251 struct mwifiex_mef_entry *mef_entry, 3252 struct cfg80211_wowlan *wowlan) 3253 { 3254 int i, filt_num = 0, ret = 0; 3255 bool first_pat = true; 3256 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3257 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3258 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3259 3260 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3261 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3262 3263 for (i = 0; i < wowlan->n_patterns; i++) { 3264 memset(byte_seq, 0, sizeof(byte_seq)); 3265 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3266 byte_seq, 3267 MWIFIEX_MEF_MAX_BYTESEQ)) { 3268 mwifiex_dbg(priv->adapter, ERROR, 3269 "Pattern not supported\n"); 3270 return -EOPNOTSUPP; 3271 } 3272 3273 if (!wowlan->patterns[i].pkt_offset) { 3274 if (!(byte_seq[0] & 0x01) && 3275 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3276 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3277 continue; 3278 } else if (is_broadcast_ether_addr(byte_seq)) { 3279 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3280 continue; 3281 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3282 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3283 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3284 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3285 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3286 continue; 3287 } 3288 } 3289 mef_entry->filter[filt_num].repeat = 1; 3290 mef_entry->filter[filt_num].offset = 3291 wowlan->patterns[i].pkt_offset; 3292 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3293 sizeof(byte_seq)); 3294 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3295 3296 if (first_pat) { 3297 first_pat = false; 3298 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3299 } else { 3300 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3301 } 3302 3303 filt_num++; 3304 } 3305 3306 if (wowlan->magic_pkt) { 3307 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3308 mef_entry->filter[filt_num].repeat = 16; 3309 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3310 ETH_ALEN); 3311 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3312 ETH_ALEN; 3313 mef_entry->filter[filt_num].offset = 28; 3314 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3315 if (filt_num) 3316 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3317 3318 filt_num++; 3319 mef_entry->filter[filt_num].repeat = 16; 3320 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3321 ETH_ALEN); 3322 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3323 ETH_ALEN; 3324 mef_entry->filter[filt_num].offset = 56; 3325 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3326 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3327 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3328 } 3329 return ret; 3330 } 3331 3332 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3333 struct cfg80211_wowlan *wowlan) 3334 { 3335 int ret = 0, num_entries = 1; 3336 struct mwifiex_ds_mef_cfg mef_cfg; 3337 struct mwifiex_mef_entry *mef_entry; 3338 3339 if (wowlan->n_patterns || wowlan->magic_pkt) 3340 num_entries++; 3341 3342 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3343 if (!mef_entry) 3344 return -ENOMEM; 3345 3346 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3347 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3348 MWIFIEX_CRITERIA_UNICAST; 3349 mef_cfg.num_entries = num_entries; 3350 mef_cfg.mef_entry = mef_entry; 3351 3352 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3353 3354 if (wowlan->n_patterns || wowlan->magic_pkt) { 3355 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3356 &mef_entry[1], wowlan); 3357 if (ret) 3358 goto err; 3359 } 3360 3361 if (!mef_cfg.criteria) 3362 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3363 MWIFIEX_CRITERIA_UNICAST | 3364 MWIFIEX_CRITERIA_MULTICAST; 3365 3366 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3367 HostCmd_ACT_GEN_SET, 0, 3368 &mef_cfg, true); 3369 3370 err: 3371 kfree(mef_entry); 3372 return ret; 3373 } 3374 3375 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3376 struct cfg80211_wowlan *wowlan) 3377 { 3378 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3379 struct mwifiex_ds_hs_cfg hs_cfg; 3380 int i, ret = 0, retry_num = 10; 3381 struct mwifiex_private *priv; 3382 struct mwifiex_private *sta_priv = 3383 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3384 3385 sta_priv->scan_aborting = true; 3386 for (i = 0; i < adapter->priv_num; i++) { 3387 priv = adapter->priv[i]; 3388 mwifiex_abort_cac(priv); 3389 } 3390 3391 mwifiex_cancel_all_pending_cmd(adapter); 3392 3393 for (i = 0; i < adapter->priv_num; i++) { 3394 priv = adapter->priv[i]; 3395 if (priv && priv->netdev) 3396 netif_device_detach(priv->netdev); 3397 } 3398 3399 for (i = 0; i < retry_num; i++) { 3400 if (!mwifiex_wmm_lists_empty(adapter) || 3401 !mwifiex_bypass_txlist_empty(adapter) || 3402 !skb_queue_empty(&adapter->tx_data_q)) 3403 usleep_range(10000, 15000); 3404 else 3405 break; 3406 } 3407 3408 if (!wowlan) { 3409 mwifiex_dbg(adapter, ERROR, 3410 "None of the WOWLAN triggers enabled\n"); 3411 ret = 0; 3412 goto done; 3413 } 3414 3415 if (!sta_priv->media_connected && !wowlan->nd_config) { 3416 mwifiex_dbg(adapter, ERROR, 3417 "Can not configure WOWLAN in disconnected state\n"); 3418 ret = 0; 3419 goto done; 3420 } 3421 3422 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3423 if (ret) { 3424 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3425 goto done; 3426 } 3427 3428 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3429 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3430 3431 if (wowlan->nd_config) { 3432 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3433 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3434 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3435 wowlan->nd_config); 3436 } 3437 3438 if (wowlan->disconnect) { 3439 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3440 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3441 } 3442 3443 hs_cfg.is_invoke_hostcmd = false; 3444 hs_cfg.gpio = adapter->hs_cfg.gpio; 3445 hs_cfg.gap = adapter->hs_cfg.gap; 3446 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3447 MWIFIEX_SYNC_CMD, &hs_cfg); 3448 if (ret) 3449 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3450 3451 done: 3452 sta_priv->scan_aborting = false; 3453 return ret; 3454 } 3455 3456 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3457 { 3458 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3459 struct mwifiex_private *priv; 3460 struct mwifiex_ds_wakeup_reason wakeup_reason; 3461 struct cfg80211_wowlan_wakeup wakeup_report; 3462 int i; 3463 bool report_wakeup_reason = true; 3464 3465 for (i = 0; i < adapter->priv_num; i++) { 3466 priv = adapter->priv[i]; 3467 if (priv && priv->netdev) 3468 netif_device_attach(priv->netdev); 3469 } 3470 3471 if (!wiphy->wowlan_config) 3472 goto done; 3473 3474 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3475 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3476 &wakeup_reason); 3477 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3478 3479 wakeup_report.pattern_idx = -1; 3480 3481 switch (wakeup_reason.hs_wakeup_reason) { 3482 case NO_HSWAKEUP_REASON: 3483 break; 3484 case BCAST_DATA_MATCHED: 3485 break; 3486 case MCAST_DATA_MATCHED: 3487 break; 3488 case UCAST_DATA_MATCHED: 3489 break; 3490 case MASKTABLE_EVENT_MATCHED: 3491 break; 3492 case NON_MASKABLE_EVENT_MATCHED: 3493 if (wiphy->wowlan_config->disconnect) 3494 wakeup_report.disconnect = true; 3495 if (wiphy->wowlan_config->nd_config) 3496 wakeup_report.net_detect = adapter->nd_info; 3497 break; 3498 case NON_MASKABLE_CONDITION_MATCHED: 3499 break; 3500 case MAGIC_PATTERN_MATCHED: 3501 if (wiphy->wowlan_config->magic_pkt) 3502 wakeup_report.magic_pkt = true; 3503 if (wiphy->wowlan_config->n_patterns) 3504 wakeup_report.pattern_idx = 1; 3505 break; 3506 case GTK_REKEY_FAILURE: 3507 if (wiphy->wowlan_config->gtk_rekey_failure) 3508 wakeup_report.gtk_rekey_failure = true; 3509 break; 3510 default: 3511 report_wakeup_reason = false; 3512 break; 3513 } 3514 3515 if (report_wakeup_reason) 3516 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3517 GFP_KERNEL); 3518 3519 done: 3520 if (adapter->nd_info) { 3521 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3522 kfree(adapter->nd_info->matches[i]); 3523 kfree(adapter->nd_info); 3524 adapter->nd_info = NULL; 3525 } 3526 3527 return 0; 3528 } 3529 3530 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3531 bool enabled) 3532 { 3533 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3534 3535 device_set_wakeup_enable(adapter->dev, enabled); 3536 } 3537 3538 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3539 struct cfg80211_gtk_rekey_data *data) 3540 { 3541 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3542 3543 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3544 HostCmd_ACT_GEN_SET, 0, data, true); 3545 } 3546 3547 #endif 3548 3549 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3550 { 3551 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3552 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3553 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3554 3555 if ((byte_seq[0] & 0x01) && 3556 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3557 return PACKET_TYPE_UNICAST; 3558 else if (!memcmp(byte_seq, bc_mac, 4)) 3559 return PACKET_TYPE_BROADCAST; 3560 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3561 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3562 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3563 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3564 return PACKET_TYPE_MULTICAST; 3565 3566 return 0; 3567 } 3568 3569 static int 3570 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3571 struct cfg80211_coalesce_rules *crule, 3572 struct mwifiex_coalesce_rule *mrule) 3573 { 3574 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3575 struct filt_field_param *param; 3576 int i; 3577 3578 mrule->max_coalescing_delay = crule->delay; 3579 3580 param = mrule->params; 3581 3582 for (i = 0; i < crule->n_patterns; i++) { 3583 memset(byte_seq, 0, sizeof(byte_seq)); 3584 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3585 byte_seq, 3586 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3587 mwifiex_dbg(priv->adapter, ERROR, 3588 "Pattern not supported\n"); 3589 return -EOPNOTSUPP; 3590 } 3591 3592 if (!crule->patterns[i].pkt_offset) { 3593 u8 pkt_type; 3594 3595 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3596 if (pkt_type && mrule->pkt_type) { 3597 mwifiex_dbg(priv->adapter, ERROR, 3598 "Multiple packet types not allowed\n"); 3599 return -EOPNOTSUPP; 3600 } else if (pkt_type) { 3601 mrule->pkt_type = pkt_type; 3602 continue; 3603 } 3604 } 3605 3606 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3607 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3608 else 3609 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3610 3611 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3612 memcpy(param->operand_byte_stream, byte_seq, 3613 param->operand_len); 3614 param->offset = crule->patterns[i].pkt_offset; 3615 param++; 3616 3617 mrule->num_of_fields++; 3618 } 3619 3620 if (!mrule->pkt_type) { 3621 mwifiex_dbg(priv->adapter, ERROR, 3622 "Packet type can not be determined\n"); 3623 return -EOPNOTSUPP; 3624 } 3625 3626 return 0; 3627 } 3628 3629 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3630 struct cfg80211_coalesce *coalesce) 3631 { 3632 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3633 int i, ret; 3634 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3635 struct mwifiex_private *priv = 3636 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3637 3638 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3639 if (!coalesce) { 3640 mwifiex_dbg(adapter, WARN, 3641 "Disable coalesce and reset all previous rules\n"); 3642 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3643 HostCmd_ACT_GEN_SET, 0, 3644 &coalesce_cfg, true); 3645 } 3646 3647 coalesce_cfg.num_of_rules = coalesce->n_rules; 3648 for (i = 0; i < coalesce->n_rules; i++) { 3649 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3650 &coalesce_cfg.rule[i]); 3651 if (ret) { 3652 mwifiex_dbg(adapter, ERROR, 3653 "Recheck the patterns provided for rule %d\n", 3654 i + 1); 3655 return ret; 3656 } 3657 } 3658 3659 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3660 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3661 } 3662 3663 /* cfg80211 ops handler for tdls_mgmt. 3664 * Function prepares TDLS action frame packets and forwards them to FW 3665 */ 3666 static int 3667 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3668 const u8 *peer, u8 action_code, u8 dialog_token, 3669 u16 status_code, u32 peer_capability, 3670 bool initiator, const u8 *extra_ies, 3671 size_t extra_ies_len) 3672 { 3673 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3674 int ret; 3675 3676 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3677 return -ENOTSUPP; 3678 3679 /* make sure we are in station mode and connected */ 3680 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3681 return -ENOTSUPP; 3682 3683 switch (action_code) { 3684 case WLAN_TDLS_SETUP_REQUEST: 3685 mwifiex_dbg(priv->adapter, MSG, 3686 "Send TDLS Setup Request to %pM status_code=%d\n", 3687 peer, status_code); 3688 mwifiex_add_auto_tdls_peer(priv, peer); 3689 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3690 dialog_token, status_code, 3691 extra_ies, extra_ies_len); 3692 break; 3693 case WLAN_TDLS_SETUP_RESPONSE: 3694 mwifiex_add_auto_tdls_peer(priv, peer); 3695 mwifiex_dbg(priv->adapter, MSG, 3696 "Send TDLS Setup Response to %pM status_code=%d\n", 3697 peer, status_code); 3698 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3699 dialog_token, status_code, 3700 extra_ies, extra_ies_len); 3701 break; 3702 case WLAN_TDLS_SETUP_CONFIRM: 3703 mwifiex_dbg(priv->adapter, MSG, 3704 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3705 status_code); 3706 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3707 dialog_token, status_code, 3708 extra_ies, extra_ies_len); 3709 break; 3710 case WLAN_TDLS_TEARDOWN: 3711 mwifiex_dbg(priv->adapter, MSG, 3712 "Send TDLS Tear down to %pM\n", peer); 3713 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3714 dialog_token, status_code, 3715 extra_ies, extra_ies_len); 3716 break; 3717 case WLAN_TDLS_DISCOVERY_REQUEST: 3718 mwifiex_dbg(priv->adapter, MSG, 3719 "Send TDLS Discovery Request to %pM\n", peer); 3720 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3721 dialog_token, status_code, 3722 extra_ies, extra_ies_len); 3723 break; 3724 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3725 mwifiex_dbg(priv->adapter, MSG, 3726 "Send TDLS Discovery Response to %pM\n", peer); 3727 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3728 dialog_token, status_code, 3729 extra_ies, extra_ies_len); 3730 break; 3731 default: 3732 mwifiex_dbg(priv->adapter, ERROR, 3733 "Unknown TDLS mgmt/action frame %pM\n", peer); 3734 ret = -EINVAL; 3735 break; 3736 } 3737 3738 return ret; 3739 } 3740 3741 static int 3742 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3743 const u8 *peer, enum nl80211_tdls_operation action) 3744 { 3745 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3746 3747 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3748 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3749 return -ENOTSUPP; 3750 3751 /* make sure we are in station mode and connected */ 3752 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3753 return -ENOTSUPP; 3754 3755 mwifiex_dbg(priv->adapter, MSG, 3756 "TDLS peer=%pM, oper=%d\n", peer, action); 3757 3758 switch (action) { 3759 case NL80211_TDLS_ENABLE_LINK: 3760 action = MWIFIEX_TDLS_ENABLE_LINK; 3761 break; 3762 case NL80211_TDLS_DISABLE_LINK: 3763 action = MWIFIEX_TDLS_DISABLE_LINK; 3764 break; 3765 case NL80211_TDLS_TEARDOWN: 3766 /* shouldn't happen!*/ 3767 mwifiex_dbg(priv->adapter, ERROR, 3768 "tdls_oper: teardown from driver not supported\n"); 3769 return -EINVAL; 3770 case NL80211_TDLS_SETUP: 3771 /* shouldn't happen!*/ 3772 mwifiex_dbg(priv->adapter, ERROR, 3773 "tdls_oper: setup from driver not supported\n"); 3774 return -EINVAL; 3775 case NL80211_TDLS_DISCOVERY_REQ: 3776 /* shouldn't happen!*/ 3777 mwifiex_dbg(priv->adapter, ERROR, 3778 "tdls_oper: discovery from driver not supported\n"); 3779 return -EINVAL; 3780 default: 3781 mwifiex_dbg(priv->adapter, ERROR, 3782 "tdls_oper: operation not supported\n"); 3783 return -ENOTSUPP; 3784 } 3785 3786 return mwifiex_tdls_oper(priv, peer, action); 3787 } 3788 3789 static int 3790 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3791 const u8 *addr, u8 oper_class, 3792 struct cfg80211_chan_def *chandef) 3793 { 3794 struct mwifiex_sta_node *sta_ptr; 3795 unsigned long flags; 3796 u16 chan; 3797 u8 second_chan_offset, band; 3798 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3799 3800 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3801 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3802 if (!sta_ptr) { 3803 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3804 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3805 __func__, addr); 3806 return -ENOENT; 3807 } 3808 3809 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3810 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3811 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3812 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3813 return -ENOENT; 3814 } 3815 3816 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3817 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3818 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3819 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3820 return -EALREADY; 3821 } 3822 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3823 3824 chan = chandef->chan->hw_value; 3825 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3826 band = chandef->chan->band; 3827 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3828 3829 return 0; 3830 } 3831 3832 static void 3833 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3834 struct net_device *dev, 3835 const u8 *addr) 3836 { 3837 struct mwifiex_sta_node *sta_ptr; 3838 unsigned long flags; 3839 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3840 3841 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3842 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3843 if (!sta_ptr) { 3844 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3845 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3846 __func__, addr); 3847 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3848 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3849 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3850 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3851 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3852 addr); 3853 } else { 3854 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3855 mwifiex_stop_tdls_cs(priv, addr); 3856 } 3857 } 3858 3859 static int 3860 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3861 const u8 *mac, struct station_parameters *params) 3862 { 3863 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3864 3865 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3866 return -ENOTSUPP; 3867 3868 /* make sure we are in station mode and connected */ 3869 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3870 return -ENOTSUPP; 3871 3872 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3873 } 3874 3875 static int 3876 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3877 struct cfg80211_csa_settings *params) 3878 { 3879 struct ieee_types_header *chsw_ie; 3880 struct ieee80211_channel_sw_ie *channel_sw; 3881 int chsw_msec; 3882 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3883 3884 if (priv->adapter->scan_processing) { 3885 mwifiex_dbg(priv->adapter, ERROR, 3886 "radar detection: scan in process...\n"); 3887 return -EBUSY; 3888 } 3889 3890 if (priv->wdev.cac_started) 3891 return -EBUSY; 3892 3893 if (cfg80211_chandef_identical(¶ms->chandef, 3894 &priv->dfs_chandef)) 3895 return -EINVAL; 3896 3897 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3898 params->beacon_csa.tail, 3899 params->beacon_csa.tail_len); 3900 if (!chsw_ie) { 3901 mwifiex_dbg(priv->adapter, ERROR, 3902 "Could not parse channel switch announcement IE\n"); 3903 return -EINVAL; 3904 } 3905 3906 channel_sw = (void *)(chsw_ie + 1); 3907 if (channel_sw->mode) { 3908 if (netif_carrier_ok(priv->netdev)) 3909 netif_carrier_off(priv->netdev); 3910 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3911 } 3912 3913 if (mwifiex_del_mgmt_ies(priv)) 3914 mwifiex_dbg(priv->adapter, ERROR, 3915 "Failed to delete mgmt IEs!\n"); 3916 3917 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3918 mwifiex_dbg(priv->adapter, ERROR, 3919 "%s: setting mgmt ies failed\n", __func__); 3920 return -EFAULT; 3921 } 3922 3923 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3924 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3925 sizeof(priv->beacon_after)); 3926 3927 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3928 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3929 msecs_to_jiffies(chsw_msec)); 3930 return 0; 3931 } 3932 3933 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3934 struct wireless_dev *wdev, 3935 struct cfg80211_chan_def *chandef) 3936 { 3937 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3938 struct mwifiex_bssdescriptor *curr_bss; 3939 struct ieee80211_channel *chan; 3940 u8 second_chan_offset; 3941 enum nl80211_channel_type chan_type; 3942 enum nl80211_band band; 3943 int freq; 3944 int ret = -ENODATA; 3945 3946 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 3947 cfg80211_chandef_valid(&priv->bss_chandef)) { 3948 *chandef = priv->bss_chandef; 3949 ret = 0; 3950 } else if (priv->media_connected) { 3951 curr_bss = &priv->curr_bss_params.bss_descriptor; 3952 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 3953 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 3954 chan = ieee80211_get_channel(wiphy, freq); 3955 3956 if (priv->ht_param_present) { 3957 second_chan_offset = priv->assoc_resp_ht_param & 3958 IEEE80211_HT_PARAM_CHA_SEC_OFFSET; 3959 chan_type = mwifiex_sec_chan_offset_to_chan_type 3960 (second_chan_offset); 3961 cfg80211_chandef_create(chandef, chan, chan_type); 3962 } else { 3963 cfg80211_chandef_create(chandef, chan, 3964 NL80211_CHAN_NO_HT); 3965 } 3966 ret = 0; 3967 } 3968 3969 return ret; 3970 } 3971 3972 #ifdef CONFIG_NL80211_TESTMODE 3973 3974 enum mwifiex_tm_attr { 3975 __MWIFIEX_TM_ATTR_INVALID = 0, 3976 MWIFIEX_TM_ATTR_CMD = 1, 3977 MWIFIEX_TM_ATTR_DATA = 2, 3978 3979 /* keep last */ 3980 __MWIFIEX_TM_ATTR_AFTER_LAST, 3981 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 3982 }; 3983 3984 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 3985 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 3986 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 3987 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 3988 }; 3989 3990 enum mwifiex_tm_command { 3991 MWIFIEX_TM_CMD_HOSTCMD = 0, 3992 }; 3993 3994 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 3995 void *data, int len) 3996 { 3997 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3998 struct mwifiex_ds_misc_cmd *hostcmd; 3999 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 4000 struct sk_buff *skb; 4001 int err; 4002 4003 if (!priv) 4004 return -EINVAL; 4005 4006 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy, 4007 NULL); 4008 if (err) 4009 return err; 4010 4011 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4012 return -EINVAL; 4013 4014 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4015 case MWIFIEX_TM_CMD_HOSTCMD: 4016 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4017 return -EINVAL; 4018 4019 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); 4020 if (!hostcmd) 4021 return -ENOMEM; 4022 4023 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4024 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4025 hostcmd->len); 4026 4027 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4028 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4029 return -EFAULT; 4030 } 4031 4032 /* process hostcmd response*/ 4033 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4034 if (!skb) 4035 return -ENOMEM; 4036 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4037 hostcmd->len, hostcmd->cmd); 4038 if (err) { 4039 kfree_skb(skb); 4040 return -EMSGSIZE; 4041 } 4042 4043 err = cfg80211_testmode_reply(skb); 4044 kfree(hostcmd); 4045 return err; 4046 default: 4047 return -EOPNOTSUPP; 4048 } 4049 } 4050 #endif 4051 4052 static int 4053 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4054 struct net_device *dev, 4055 struct cfg80211_chan_def *chandef, 4056 u32 cac_time_ms) 4057 { 4058 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4059 struct mwifiex_radar_params radar_params; 4060 4061 if (priv->adapter->scan_processing) { 4062 mwifiex_dbg(priv->adapter, ERROR, 4063 "radar detection: scan already in process...\n"); 4064 return -EBUSY; 4065 } 4066 4067 if (!mwifiex_is_11h_active(priv)) { 4068 mwifiex_dbg(priv->adapter, INFO, 4069 "Enable 11h extensions in FW\n"); 4070 if (mwifiex_11h_activate(priv, true)) { 4071 mwifiex_dbg(priv->adapter, ERROR, 4072 "Failed to activate 11h extensions!!"); 4073 return -1; 4074 } 4075 priv->state_11h.is_11h_active = true; 4076 } 4077 4078 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4079 radar_params.chandef = chandef; 4080 radar_params.cac_time_ms = cac_time_ms; 4081 4082 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4083 4084 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4085 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4086 return -1; 4087 4088 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4089 msecs_to_jiffies(cac_time_ms)); 4090 return 0; 4091 } 4092 4093 static int 4094 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 4095 const u8 *mac, 4096 struct station_parameters *params) 4097 { 4098 int ret; 4099 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4100 4101 /* we support change_station handler only for TDLS peers*/ 4102 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4103 return -ENOTSUPP; 4104 4105 /* make sure we are in station mode and connected */ 4106 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4107 return -ENOTSUPP; 4108 4109 priv->sta_params = params; 4110 4111 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4112 priv->sta_params = NULL; 4113 4114 return ret; 4115 } 4116 4117 /* station cfg80211 operations */ 4118 static struct cfg80211_ops mwifiex_cfg80211_ops = { 4119 .add_virtual_intf = mwifiex_add_virtual_intf, 4120 .del_virtual_intf = mwifiex_del_virtual_intf, 4121 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4122 .scan = mwifiex_cfg80211_scan, 4123 .connect = mwifiex_cfg80211_connect, 4124 .disconnect = mwifiex_cfg80211_disconnect, 4125 .get_station = mwifiex_cfg80211_get_station, 4126 .dump_station = mwifiex_cfg80211_dump_station, 4127 .dump_survey = mwifiex_cfg80211_dump_survey, 4128 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4129 .join_ibss = mwifiex_cfg80211_join_ibss, 4130 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4131 .add_key = mwifiex_cfg80211_add_key, 4132 .del_key = mwifiex_cfg80211_del_key, 4133 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4134 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4135 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 4136 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4137 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4138 .set_default_key = mwifiex_cfg80211_set_default_key, 4139 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4140 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4141 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4142 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4143 .start_ap = mwifiex_cfg80211_start_ap, 4144 .stop_ap = mwifiex_cfg80211_stop_ap, 4145 .change_beacon = mwifiex_cfg80211_change_beacon, 4146 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4147 .set_antenna = mwifiex_cfg80211_set_antenna, 4148 .get_antenna = mwifiex_cfg80211_get_antenna, 4149 .del_station = mwifiex_cfg80211_del_station, 4150 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4151 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4152 #ifdef CONFIG_PM 4153 .suspend = mwifiex_cfg80211_suspend, 4154 .resume = mwifiex_cfg80211_resume, 4155 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4156 .set_rekey_data = mwifiex_set_rekey_data, 4157 #endif 4158 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4159 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4160 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4161 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4162 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4163 .add_station = mwifiex_cfg80211_add_station, 4164 .change_station = mwifiex_cfg80211_change_station, 4165 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4166 .get_channel = mwifiex_cfg80211_get_channel, 4167 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4168 .channel_switch = mwifiex_cfg80211_channel_switch, 4169 }; 4170 4171 #ifdef CONFIG_PM 4172 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4173 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4174 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4175 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4176 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4177 .pattern_min_len = 1, 4178 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4179 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4180 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4181 }; 4182 #endif 4183 4184 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4185 { 4186 if (!alpha2 || strlen(alpha2) != 2) 4187 return false; 4188 4189 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4190 return true; 4191 4192 return false; 4193 } 4194 4195 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4196 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4197 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4198 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4199 .pattern_min_len = 1, 4200 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4201 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4202 }; 4203 4204 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4205 { 4206 u32 n_channels_bg, n_channels_a = 0; 4207 4208 n_channels_bg = mwifiex_band_2ghz.n_channels; 4209 4210 if (adapter->config_bands & BAND_A) 4211 n_channels_a = mwifiex_band_5ghz.n_channels; 4212 4213 /* allocate twice the number total channels, since the driver issues an 4214 * additional active scan request for hidden SSIDs on passive channels. 4215 */ 4216 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); 4217 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * 4218 adapter->num_in_chan_stats); 4219 4220 if (!adapter->chan_stats) 4221 return -ENOMEM; 4222 4223 return 0; 4224 } 4225 4226 /* 4227 * This function registers the device with CFG802.11 subsystem. 4228 * 4229 * The function creates the wireless device/wiphy, populates it with 4230 * default parameters and handler function pointers, and finally 4231 * registers the device. 4232 */ 4233 4234 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4235 { 4236 int ret; 4237 void *wdev_priv; 4238 struct wiphy *wiphy; 4239 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4240 u8 *country_code; 4241 u32 thr, retry; 4242 4243 /* create a new wiphy for use with cfg80211 */ 4244 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4245 sizeof(struct mwifiex_adapter *)); 4246 if (!wiphy) { 4247 mwifiex_dbg(adapter, ERROR, 4248 "%s: creating new wiphy\n", __func__); 4249 return -ENOMEM; 4250 } 4251 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4252 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4253 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4254 wiphy->max_remain_on_channel_duration = 5000; 4255 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4256 BIT(NL80211_IFTYPE_ADHOC) | 4257 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4258 BIT(NL80211_IFTYPE_P2P_GO) | 4259 BIT(NL80211_IFTYPE_AP); 4260 4261 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4262 if (adapter->config_bands & BAND_A) 4263 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4264 else 4265 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4266 4267 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4268 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4269 else if (adapter->is_hw_11ac_capable) 4270 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4271 else 4272 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4273 wiphy->n_iface_combinations = 1; 4274 4275 /* Initialize cipher suits */ 4276 wiphy->cipher_suites = mwifiex_cipher_suites; 4277 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4278 4279 if (adapter->regd) { 4280 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4281 REGULATORY_DISABLE_BEACON_HINTS | 4282 REGULATORY_COUNTRY_IE_IGNORE; 4283 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4284 } 4285 4286 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4287 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4288 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4289 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4290 WIPHY_FLAG_AP_UAPSD | 4291 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4292 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4293 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4294 4295 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4296 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4297 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4298 4299 #ifdef CONFIG_PM 4300 wiphy->wowlan = &mwifiex_wowlan_support; 4301 #endif 4302 4303 wiphy->coalesce = &mwifiex_coalesce_support; 4304 4305 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4306 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4307 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4308 4309 wiphy->max_sched_scan_reqs = 1; 4310 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4311 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4312 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4313 4314 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4315 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4316 4317 wiphy->features |= NL80211_FEATURE_HT_IBSS | 4318 NL80211_FEATURE_INACTIVITY_TIMER | 4319 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4320 NL80211_FEATURE_NEED_OBSS_SCAN; 4321 4322 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) 4323 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4324 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4325 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4326 4327 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4328 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4329 4330 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4331 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4332 4333 /* Reserve space for mwifiex specific private data for BSS */ 4334 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4335 4336 wiphy->reg_notifier = mwifiex_reg_notifier; 4337 4338 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4339 wdev_priv = wiphy_priv(wiphy); 4340 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4341 4342 set_wiphy_dev(wiphy, priv->adapter->dev); 4343 4344 ret = wiphy_register(wiphy); 4345 if (ret < 0) { 4346 mwifiex_dbg(adapter, ERROR, 4347 "%s: wiphy_register failed: %d\n", __func__, ret); 4348 wiphy_free(wiphy); 4349 return ret; 4350 } 4351 4352 if (!adapter->regd) { 4353 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4354 mwifiex_dbg(adapter, INFO, 4355 "driver hint alpha2: %2.2s\n", reg_alpha2); 4356 regulatory_hint(wiphy, reg_alpha2); 4357 } else { 4358 if (adapter->region_code == 0x00) { 4359 mwifiex_dbg(adapter, WARN, 4360 "Ignore world regulatory domain\n"); 4361 } else { 4362 wiphy->regulatory_flags |= 4363 REGULATORY_DISABLE_BEACON_HINTS | 4364 REGULATORY_COUNTRY_IE_IGNORE; 4365 country_code = 4366 mwifiex_11d_code_2_region( 4367 adapter->region_code); 4368 if (country_code && 4369 regulatory_hint(wiphy, country_code)) 4370 mwifiex_dbg(priv->adapter, ERROR, 4371 "regulatory_hint() failed\n"); 4372 } 4373 } 4374 } 4375 4376 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4377 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4378 wiphy->frag_threshold = thr; 4379 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4380 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4381 wiphy->rts_threshold = thr; 4382 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4383 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4384 wiphy->retry_short = (u8) retry; 4385 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4386 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4387 wiphy->retry_long = (u8) retry; 4388 4389 adapter->wiphy = wiphy; 4390 return ret; 4391 } 4392