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_get_chan_type(struct mwifiex_private *priv) 99 { 100 struct mwifiex_channel_band channel_band; 101 int ret; 102 103 ret = mwifiex_get_chan_info(priv, &channel_band); 104 105 if (!ret) { 106 switch (channel_band.band_config.chan_width) { 107 case CHAN_BW_20MHZ: 108 if (IS_11N_ENABLED(priv)) 109 return NL80211_CHAN_HT20; 110 else 111 return NL80211_CHAN_NO_HT; 112 case CHAN_BW_40MHZ: 113 if (channel_band.band_config.chan2_offset == 114 SEC_CHAN_ABOVE) 115 return NL80211_CHAN_HT40PLUS; 116 else 117 return NL80211_CHAN_HT40MINUS; 118 default: 119 return NL80211_CHAN_HT20; 120 } 121 } 122 123 return NL80211_CHAN_HT20; 124 } 125 126 /* 127 * This function checks whether WEP is set. 128 */ 129 static int 130 mwifiex_is_alg_wep(u32 cipher) 131 { 132 switch (cipher) { 133 case WLAN_CIPHER_SUITE_WEP40: 134 case WLAN_CIPHER_SUITE_WEP104: 135 return 1; 136 default: 137 break; 138 } 139 140 return 0; 141 } 142 143 /* 144 * This function retrieves the private structure from kernel wiphy structure. 145 */ 146 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) 147 { 148 return (void *) (*(unsigned long *) wiphy_priv(wiphy)); 149 } 150 151 /* 152 * CFG802.11 operation handler to delete a network key. 153 */ 154 static int 155 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, 156 u8 key_index, bool pairwise, const u8 *mac_addr) 157 { 158 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 159 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 160 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 161 162 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { 163 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 164 return -EFAULT; 165 } 166 167 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); 168 return 0; 169 } 170 171 /* 172 * This function forms an skb for management frame. 173 */ 174 static int 175 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) 176 { 177 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; 178 u16 pkt_len; 179 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 180 181 pkt_len = len + ETH_ALEN; 182 183 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 184 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 185 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 186 187 memcpy(skb_push(skb, sizeof(tx_control)), 188 &tx_control, sizeof(tx_control)); 189 190 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 191 192 /* Add packet data and address4 */ 193 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr)); 194 skb_put_data(skb, addr, ETH_ALEN); 195 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr), 196 len - sizeof(struct ieee80211_hdr_3addr)); 197 198 skb->priority = LOW_PRIO_TID; 199 __net_timestamp(skb); 200 201 return 0; 202 } 203 204 /* 205 * CFG802.11 operation handler to transmit a management frame. 206 */ 207 static int 208 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 209 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 210 { 211 const u8 *buf = params->buf; 212 size_t len = params->len; 213 struct sk_buff *skb; 214 u16 pkt_len; 215 const struct ieee80211_mgmt *mgmt; 216 struct mwifiex_txinfo *tx_info; 217 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 218 219 if (!buf || !len) { 220 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); 221 return -EFAULT; 222 } 223 224 mgmt = (const struct ieee80211_mgmt *)buf; 225 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && 226 ieee80211_is_probe_resp(mgmt->frame_control)) { 227 /* Since we support offload probe resp, we need to skip probe 228 * resp in AP or GO mode */ 229 mwifiex_dbg(priv->adapter, INFO, 230 "info: skip to send probe resp in AP or GO mode\n"); 231 return 0; 232 } 233 234 pkt_len = len + ETH_ALEN; 235 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 236 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 237 pkt_len + sizeof(pkt_len)); 238 239 if (!skb) { 240 mwifiex_dbg(priv->adapter, ERROR, 241 "allocate skb failed for management frame\n"); 242 return -ENOMEM; 243 } 244 245 tx_info = MWIFIEX_SKB_TXCB(skb); 246 memset(tx_info, 0, sizeof(*tx_info)); 247 tx_info->bss_num = priv->bss_num; 248 tx_info->bss_type = priv->bss_type; 249 tx_info->pkt_len = pkt_len; 250 251 mwifiex_form_mgmt_frame(skb, buf, len); 252 *cookie = prandom_u32() | 1; 253 254 if (ieee80211_is_action(mgmt->frame_control)) 255 skb = mwifiex_clone_skb_for_tx_status(priv, 256 skb, 257 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); 258 else 259 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 260 GFP_ATOMIC); 261 262 mwifiex_queue_tx_pkt(priv, skb); 263 264 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 265 return 0; 266 } 267 268 /* 269 * CFG802.11 operation handler to register a mgmt frame. 270 */ 271 static void 272 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, 273 struct wireless_dev *wdev, 274 u16 frame_type, bool reg) 275 { 276 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 277 u32 mask; 278 279 if (reg) 280 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); 281 else 282 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); 283 284 if (mask != priv->mgmt_frame_mask) { 285 priv->mgmt_frame_mask = mask; 286 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 287 HostCmd_ACT_GEN_SET, 0, 288 &priv->mgmt_frame_mask, false); 289 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 290 } 291 } 292 293 /* 294 * CFG802.11 operation handler to remain on channel. 295 */ 296 static int 297 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 298 struct wireless_dev *wdev, 299 struct ieee80211_channel *chan, 300 unsigned int duration, u64 *cookie) 301 { 302 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 303 int ret; 304 305 if (!chan || !cookie) { 306 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); 307 return -EINVAL; 308 } 309 310 if (priv->roc_cfg.cookie) { 311 mwifiex_dbg(priv->adapter, INFO, 312 "info: ongoing ROC, cookie = 0x%llx\n", 313 priv->roc_cfg.cookie); 314 return -EBUSY; 315 } 316 317 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, 318 duration); 319 320 if (!ret) { 321 *cookie = prandom_u32() | 1; 322 priv->roc_cfg.cookie = *cookie; 323 priv->roc_cfg.chan = *chan; 324 325 cfg80211_ready_on_channel(wdev, *cookie, chan, 326 duration, GFP_ATOMIC); 327 328 mwifiex_dbg(priv->adapter, INFO, 329 "info: ROC, cookie = 0x%llx\n", *cookie); 330 } 331 332 return ret; 333 } 334 335 /* 336 * CFG802.11 operation handler to cancel remain on channel. 337 */ 338 static int 339 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 340 struct wireless_dev *wdev, u64 cookie) 341 { 342 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 343 int ret; 344 345 if (cookie != priv->roc_cfg.cookie) 346 return -ENOENT; 347 348 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 349 &priv->roc_cfg.chan, 0); 350 351 if (!ret) { 352 cfg80211_remain_on_channel_expired(wdev, cookie, 353 &priv->roc_cfg.chan, 354 GFP_ATOMIC); 355 356 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 357 358 mwifiex_dbg(priv->adapter, INFO, 359 "info: cancel ROC, cookie = 0x%llx\n", cookie); 360 } 361 362 return ret; 363 } 364 365 /* 366 * CFG802.11 operation handler to set Tx power. 367 */ 368 static int 369 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 370 struct wireless_dev *wdev, 371 enum nl80211_tx_power_setting type, 372 int mbm) 373 { 374 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 375 struct mwifiex_private *priv; 376 struct mwifiex_power_cfg power_cfg; 377 int dbm = MBM_TO_DBM(mbm); 378 379 if (type == NL80211_TX_POWER_FIXED) { 380 power_cfg.is_power_auto = 0; 381 power_cfg.power_level = dbm; 382 } else { 383 power_cfg.is_power_auto = 1; 384 } 385 386 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 387 388 return mwifiex_set_tx_power(priv, &power_cfg); 389 } 390 391 /* 392 * CFG802.11 operation handler to get Tx power. 393 */ 394 static int 395 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, 396 struct wireless_dev *wdev, 397 int *dbm) 398 { 399 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 400 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 401 MWIFIEX_BSS_ROLE_ANY); 402 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 403 HostCmd_ACT_GEN_GET, 0, NULL, true); 404 405 if (ret < 0) 406 return ret; 407 408 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 409 *dbm = priv->tx_power_level; 410 411 return 0; 412 } 413 414 /* 415 * CFG802.11 operation handler to set Power Save option. 416 * 417 * The timeout value, if provided, is currently ignored. 418 */ 419 static int 420 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 421 struct net_device *dev, 422 bool enabled, int timeout) 423 { 424 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 425 u32 ps_mode; 426 427 if (timeout) 428 mwifiex_dbg(priv->adapter, INFO, 429 "info: ignore timeout value for IEEE Power Save\n"); 430 431 ps_mode = enabled; 432 433 return mwifiex_drv_set_power(priv, &ps_mode); 434 } 435 436 /* 437 * CFG802.11 operation handler to set the default network key. 438 */ 439 static int 440 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 441 u8 key_index, bool unicast, 442 bool multicast) 443 { 444 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 445 446 /* Return if WEP key not configured */ 447 if (!priv->sec_info.wep_enabled) 448 return 0; 449 450 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 451 priv->wep_key_curr_index = key_index; 452 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 453 NULL, 0)) { 454 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 455 return -EFAULT; 456 } 457 458 return 0; 459 } 460 461 /* 462 * CFG802.11 operation handler to add a network key. 463 */ 464 static int 465 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 466 u8 key_index, bool pairwise, const u8 *mac_addr, 467 struct key_params *params) 468 { 469 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 470 struct mwifiex_wep_key *wep_key; 471 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 472 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 473 474 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 475 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 476 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 477 if (params->key && params->key_len) { 478 wep_key = &priv->wep_key[key_index]; 479 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 480 memcpy(wep_key->key_material, params->key, 481 params->key_len); 482 wep_key->key_index = key_index; 483 wep_key->key_length = params->key_len; 484 priv->sec_info.wep_enabled = 1; 485 } 486 return 0; 487 } 488 489 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 490 key_index, peer_mac, 0)) { 491 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 492 return -EFAULT; 493 } 494 495 return 0; 496 } 497 498 /* 499 * CFG802.11 operation handler to set default mgmt key. 500 */ 501 static int 502 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, 503 struct net_device *netdev, 504 u8 key_index) 505 { 506 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 507 struct mwifiex_ds_encrypt_key encrypt_key; 508 509 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); 510 511 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); 512 encrypt_key.key_len = WLAN_KEY_LEN_CCMP; 513 encrypt_key.key_index = key_index; 514 encrypt_key.is_igtk_def_key = true; 515 eth_broadcast_addr(encrypt_key.mac_addr); 516 517 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 518 HostCmd_ACT_GEN_SET, true, &encrypt_key, true); 519 } 520 521 /* 522 * This function sends domain information to the firmware. 523 * 524 * The following information are passed to the firmware - 525 * - Country codes 526 * - Sub bands (first channel, number of channels, maximum Tx power) 527 */ 528 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 529 { 530 u8 no_of_triplet = 0; 531 struct ieee80211_country_ie_triplet *t; 532 u8 no_of_parsed_chan = 0; 533 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 534 u8 i, flag = 0; 535 enum nl80211_band band; 536 struct ieee80211_supported_band *sband; 537 struct ieee80211_channel *ch; 538 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 539 struct mwifiex_private *priv; 540 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 541 542 /* Set country code */ 543 domain_info->country_code[0] = adapter->country_code[0]; 544 domain_info->country_code[1] = adapter->country_code[1]; 545 domain_info->country_code[2] = ' '; 546 547 band = mwifiex_band_to_radio_type(adapter->config_bands); 548 if (!wiphy->bands[band]) { 549 mwifiex_dbg(adapter, ERROR, 550 "11D: setting domain info in FW\n"); 551 return -1; 552 } 553 554 sband = wiphy->bands[band]; 555 556 for (i = 0; i < sband->n_channels ; i++) { 557 ch = &sband->channels[i]; 558 if (ch->flags & IEEE80211_CHAN_DISABLED) 559 continue; 560 561 if (!flag) { 562 flag = 1; 563 first_chan = (u32) ch->hw_value; 564 next_chan = first_chan; 565 max_pwr = ch->max_power; 566 no_of_parsed_chan = 1; 567 continue; 568 } 569 570 if (ch->hw_value == next_chan + 1 && 571 ch->max_power == max_pwr) { 572 next_chan++; 573 no_of_parsed_chan++; 574 } else { 575 t = &domain_info->triplet[no_of_triplet]; 576 t->chans.first_channel = first_chan; 577 t->chans.num_channels = no_of_parsed_chan; 578 t->chans.max_power = max_pwr; 579 no_of_triplet++; 580 first_chan = (u32) ch->hw_value; 581 next_chan = first_chan; 582 max_pwr = ch->max_power; 583 no_of_parsed_chan = 1; 584 } 585 } 586 587 if (flag) { 588 t = &domain_info->triplet[no_of_triplet]; 589 t->chans.first_channel = first_chan; 590 t->chans.num_channels = no_of_parsed_chan; 591 t->chans.max_power = max_pwr; 592 no_of_triplet++; 593 } 594 595 domain_info->no_of_triplet = no_of_triplet; 596 597 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 598 599 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 600 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 601 mwifiex_dbg(adapter, INFO, 602 "11D: setting domain info in FW\n"); 603 return -1; 604 } 605 606 return 0; 607 } 608 609 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy) 610 { 611 struct ieee80211_supported_band *sband; 612 struct ieee80211_channel *chan; 613 unsigned int i; 614 615 if (!wiphy->bands[NL80211_BAND_5GHZ]) 616 return; 617 sband = wiphy->bands[NL80211_BAND_5GHZ]; 618 619 for (i = 0; i < sband->n_channels; i++) { 620 chan = &sband->channels[i]; 621 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && 622 (chan->flags & IEEE80211_CHAN_RADAR)) 623 chan->flags |= IEEE80211_CHAN_NO_IR; 624 } 625 } 626 627 /* 628 * CFG802.11 regulatory domain callback function. 629 * 630 * This function is called when the regulatory domain is changed due to the 631 * following reasons - 632 * - Set by driver 633 * - Set by system core 634 * - Set by user 635 * - Set bt Country IE 636 */ 637 static void mwifiex_reg_notifier(struct wiphy *wiphy, 638 struct regulatory_request *request) 639 { 640 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 641 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 642 MWIFIEX_BSS_ROLE_ANY); 643 mwifiex_dbg(adapter, INFO, 644 "info: cfg80211 regulatory domain callback for %c%c\n", 645 request->alpha2[0], request->alpha2[1]); 646 mwifiex_reg_apply_radar_flags(wiphy); 647 648 switch (request->initiator) { 649 case NL80211_REGDOM_SET_BY_DRIVER: 650 case NL80211_REGDOM_SET_BY_CORE: 651 case NL80211_REGDOM_SET_BY_USER: 652 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 653 break; 654 default: 655 mwifiex_dbg(adapter, ERROR, 656 "unknown regdom initiator: %d\n", 657 request->initiator); 658 return; 659 } 660 661 /* Don't send world or same regdom info to firmware */ 662 if (strncmp(request->alpha2, "00", 2) && 663 strncmp(request->alpha2, adapter->country_code, 664 sizeof(request->alpha2))) { 665 memcpy(adapter->country_code, request->alpha2, 666 sizeof(request->alpha2)); 667 mwifiex_send_domain_info_cmd_fw(wiphy); 668 mwifiex_dnld_txpwr_table(priv); 669 } 670 } 671 672 /* 673 * This function sets the fragmentation threshold. 674 * 675 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 676 * and MWIFIEX_FRAG_MAX_VALUE. 677 */ 678 static int 679 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 680 { 681 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 682 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 683 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 684 685 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 686 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 687 &frag_thr, true); 688 } 689 690 /* 691 * This function sets the RTS threshold. 692 693 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 694 * and MWIFIEX_RTS_MAX_VALUE. 695 */ 696 static int 697 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 698 { 699 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 700 rts_thr = MWIFIEX_RTS_MAX_VALUE; 701 702 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 703 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 704 &rts_thr, true); 705 } 706 707 /* 708 * CFG802.11 operation handler to set wiphy parameters. 709 * 710 * This function can be used to set the RTS threshold and the 711 * Fragmentation threshold of the driver. 712 */ 713 static int 714 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 715 { 716 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 717 struct mwifiex_private *priv; 718 struct mwifiex_uap_bss_param *bss_cfg; 719 int ret; 720 721 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 722 723 switch (priv->bss_role) { 724 case MWIFIEX_BSS_ROLE_UAP: 725 if (priv->bss_started) { 726 mwifiex_dbg(adapter, ERROR, 727 "cannot change wiphy params when bss started"); 728 return -EINVAL; 729 } 730 731 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 732 if (!bss_cfg) 733 return -ENOMEM; 734 735 mwifiex_set_sys_config_invalid_data(bss_cfg); 736 737 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 738 bss_cfg->rts_threshold = wiphy->rts_threshold; 739 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 740 bss_cfg->frag_threshold = wiphy->frag_threshold; 741 if (changed & WIPHY_PARAM_RETRY_LONG) 742 bss_cfg->retry_limit = wiphy->retry_long; 743 744 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 745 HostCmd_ACT_GEN_SET, 746 UAP_BSS_PARAMS_I, bss_cfg, 747 false); 748 749 kfree(bss_cfg); 750 if (ret) { 751 mwifiex_dbg(adapter, ERROR, 752 "Failed to set wiphy phy params\n"); 753 return ret; 754 } 755 break; 756 757 case MWIFIEX_BSS_ROLE_STA: 758 if (priv->media_connected) { 759 mwifiex_dbg(adapter, ERROR, 760 "cannot change wiphy params when connected"); 761 return -EINVAL; 762 } 763 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 764 ret = mwifiex_set_rts(priv, 765 wiphy->rts_threshold); 766 if (ret) 767 return ret; 768 } 769 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 770 ret = mwifiex_set_frag(priv, 771 wiphy->frag_threshold); 772 if (ret) 773 return ret; 774 } 775 break; 776 } 777 778 return 0; 779 } 780 781 static int 782 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 783 { 784 u16 mode = P2P_MODE_DISABLE; 785 786 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 787 HostCmd_ACT_GEN_SET, 0, &mode, true)) 788 return -1; 789 790 return 0; 791 } 792 793 /* 794 * This function initializes the functionalities for P2P client. 795 * The P2P client initialization sequence is: 796 * disable -> device -> client 797 */ 798 static int 799 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 800 { 801 u16 mode; 802 803 if (mwifiex_cfg80211_deinit_p2p(priv)) 804 return -1; 805 806 mode = P2P_MODE_DEVICE; 807 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 808 HostCmd_ACT_GEN_SET, 0, &mode, true)) 809 return -1; 810 811 mode = P2P_MODE_CLIENT; 812 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 813 HostCmd_ACT_GEN_SET, 0, &mode, true)) 814 return -1; 815 816 return 0; 817 } 818 819 /* 820 * This function initializes the functionalities for P2P GO. 821 * The P2P GO initialization sequence is: 822 * disable -> device -> GO 823 */ 824 static int 825 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 826 { 827 u16 mode; 828 829 if (mwifiex_cfg80211_deinit_p2p(priv)) 830 return -1; 831 832 mode = P2P_MODE_DEVICE; 833 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 834 HostCmd_ACT_GEN_SET, 0, &mode, true)) 835 return -1; 836 837 mode = P2P_MODE_GO; 838 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 839 HostCmd_ACT_GEN_SET, 0, &mode, true)) 840 return -1; 841 842 return 0; 843 } 844 845 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 846 { 847 struct mwifiex_adapter *adapter = priv->adapter; 848 unsigned long flags; 849 850 priv->mgmt_frame_mask = 0; 851 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 852 HostCmd_ACT_GEN_SET, 0, 853 &priv->mgmt_frame_mask, false)) { 854 mwifiex_dbg(adapter, ERROR, 855 "could not unregister mgmt frame rx\n"); 856 return -1; 857 } 858 859 mwifiex_deauthenticate(priv, NULL); 860 861 spin_lock_irqsave(&adapter->main_proc_lock, flags); 862 adapter->main_locked = true; 863 if (adapter->mwifiex_processing) { 864 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 865 flush_workqueue(adapter->workqueue); 866 } else { 867 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 868 } 869 870 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 871 adapter->rx_locked = true; 872 if (adapter->rx_processing) { 873 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 874 flush_workqueue(adapter->rx_workqueue); 875 } else { 876 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 877 } 878 879 mwifiex_free_priv(priv); 880 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 881 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 882 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 883 884 return 0; 885 } 886 887 static int 888 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 889 struct net_device *dev, 890 enum nl80211_iftype type) 891 { 892 struct mwifiex_adapter *adapter = priv->adapter; 893 unsigned long flags; 894 895 mwifiex_init_priv(priv); 896 897 priv->bss_mode = type; 898 priv->wdev.iftype = type; 899 900 mwifiex_init_priv_params(priv, priv->netdev); 901 priv->bss_started = 0; 902 903 switch (type) { 904 case NL80211_IFTYPE_STATION: 905 case NL80211_IFTYPE_ADHOC: 906 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 907 break; 908 case NL80211_IFTYPE_P2P_CLIENT: 909 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 910 break; 911 case NL80211_IFTYPE_P2P_GO: 912 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 913 break; 914 case NL80211_IFTYPE_AP: 915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 916 break; 917 default: 918 mwifiex_dbg(adapter, ERROR, 919 "%s: changing to %d not supported\n", 920 dev->name, type); 921 return -EOPNOTSUPP; 922 } 923 924 spin_lock_irqsave(&adapter->main_proc_lock, flags); 925 adapter->main_locked = false; 926 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 927 928 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 929 adapter->rx_locked = false; 930 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 931 932 mwifiex_set_mac_address(priv, dev, false, NULL); 933 934 return 0; 935 } 936 937 static int 938 mwifiex_change_vif_to_p2p(struct net_device *dev, 939 enum nl80211_iftype curr_iftype, 940 enum nl80211_iftype type, 941 struct vif_params *params) 942 { 943 struct mwifiex_private *priv; 944 struct mwifiex_adapter *adapter; 945 946 priv = mwifiex_netdev_get_priv(dev); 947 948 if (!priv) 949 return -1; 950 951 adapter = priv->adapter; 952 953 if (adapter->curr_iface_comb.p2p_intf == 954 adapter->iface_limit.p2p_intf) { 955 mwifiex_dbg(adapter, ERROR, 956 "cannot create multiple P2P ifaces\n"); 957 return -1; 958 } 959 960 mwifiex_dbg(adapter, INFO, 961 "%s: changing role to p2p\n", dev->name); 962 963 if (mwifiex_deinit_priv_params(priv)) 964 return -1; 965 if (mwifiex_init_new_priv_params(priv, dev, type)) 966 return -1; 967 968 switch (type) { 969 case NL80211_IFTYPE_P2P_CLIENT: 970 if (mwifiex_cfg80211_init_p2p_client(priv)) 971 return -EFAULT; 972 break; 973 case NL80211_IFTYPE_P2P_GO: 974 if (mwifiex_cfg80211_init_p2p_go(priv)) 975 return -EFAULT; 976 break; 977 default: 978 mwifiex_dbg(adapter, ERROR, 979 "%s: changing to %d not supported\n", 980 dev->name, type); 981 return -EOPNOTSUPP; 982 } 983 984 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 985 HostCmd_ACT_GEN_SET, 0, NULL, true)) 986 return -1; 987 988 if (mwifiex_sta_init_cmd(priv, false, false)) 989 return -1; 990 991 switch (curr_iftype) { 992 case NL80211_IFTYPE_STATION: 993 case NL80211_IFTYPE_ADHOC: 994 adapter->curr_iface_comb.sta_intf--; 995 break; 996 case NL80211_IFTYPE_AP: 997 adapter->curr_iface_comb.uap_intf--; 998 break; 999 default: 1000 break; 1001 } 1002 1003 adapter->curr_iface_comb.p2p_intf++; 1004 dev->ieee80211_ptr->iftype = type; 1005 1006 return 0; 1007 } 1008 1009 static int 1010 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 1011 enum nl80211_iftype curr_iftype, 1012 enum nl80211_iftype type, 1013 struct vif_params *params) 1014 { 1015 struct mwifiex_private *priv; 1016 struct mwifiex_adapter *adapter; 1017 1018 priv = mwifiex_netdev_get_priv(dev); 1019 1020 if (!priv) 1021 return -1; 1022 1023 adapter = priv->adapter; 1024 1025 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && 1026 curr_iftype != NL80211_IFTYPE_P2P_GO) && 1027 (adapter->curr_iface_comb.sta_intf == 1028 adapter->iface_limit.sta_intf)) { 1029 mwifiex_dbg(adapter, ERROR, 1030 "cannot create multiple station/adhoc ifaces\n"); 1031 return -1; 1032 } 1033 1034 if (type == NL80211_IFTYPE_STATION) 1035 mwifiex_dbg(adapter, INFO, 1036 "%s: changing role to station\n", dev->name); 1037 else 1038 mwifiex_dbg(adapter, INFO, 1039 "%s: changing role to adhoc\n", dev->name); 1040 1041 if (mwifiex_deinit_priv_params(priv)) 1042 return -1; 1043 if (mwifiex_init_new_priv_params(priv, dev, type)) 1044 return -1; 1045 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1046 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1047 return -1; 1048 if (mwifiex_sta_init_cmd(priv, false, false)) 1049 return -1; 1050 1051 switch (curr_iftype) { 1052 case NL80211_IFTYPE_P2P_CLIENT: 1053 case NL80211_IFTYPE_P2P_GO: 1054 adapter->curr_iface_comb.p2p_intf--; 1055 break; 1056 case NL80211_IFTYPE_AP: 1057 adapter->curr_iface_comb.uap_intf--; 1058 break; 1059 default: 1060 break; 1061 } 1062 1063 adapter->curr_iface_comb.sta_intf++; 1064 dev->ieee80211_ptr->iftype = type; 1065 return 0; 1066 } 1067 1068 static int 1069 mwifiex_change_vif_to_ap(struct net_device *dev, 1070 enum nl80211_iftype curr_iftype, 1071 enum nl80211_iftype type, 1072 struct vif_params *params) 1073 { 1074 struct mwifiex_private *priv; 1075 struct mwifiex_adapter *adapter; 1076 1077 priv = mwifiex_netdev_get_priv(dev); 1078 1079 if (!priv) 1080 return -1; 1081 1082 adapter = priv->adapter; 1083 1084 if (adapter->curr_iface_comb.uap_intf == 1085 adapter->iface_limit.uap_intf) { 1086 mwifiex_dbg(adapter, ERROR, 1087 "cannot create multiple AP ifaces\n"); 1088 return -1; 1089 } 1090 1091 mwifiex_dbg(adapter, INFO, 1092 "%s: changing role to AP\n", dev->name); 1093 1094 if (mwifiex_deinit_priv_params(priv)) 1095 return -1; 1096 if (mwifiex_init_new_priv_params(priv, dev, type)) 1097 return -1; 1098 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1099 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1100 return -1; 1101 if (mwifiex_sta_init_cmd(priv, false, false)) 1102 return -1; 1103 1104 switch (curr_iftype) { 1105 case NL80211_IFTYPE_P2P_CLIENT: 1106 case NL80211_IFTYPE_P2P_GO: 1107 adapter->curr_iface_comb.p2p_intf--; 1108 break; 1109 case NL80211_IFTYPE_STATION: 1110 case NL80211_IFTYPE_ADHOC: 1111 adapter->curr_iface_comb.sta_intf--; 1112 break; 1113 default: 1114 break; 1115 } 1116 1117 adapter->curr_iface_comb.uap_intf++; 1118 dev->ieee80211_ptr->iftype = type; 1119 return 0; 1120 } 1121 /* 1122 * CFG802.11 operation handler to change interface type. 1123 */ 1124 static int 1125 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1126 struct net_device *dev, 1127 enum nl80211_iftype type, 1128 struct vif_params *params) 1129 { 1130 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1131 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1132 1133 if (priv->scan_request) { 1134 mwifiex_dbg(priv->adapter, ERROR, 1135 "change virtual interface: scan in process\n"); 1136 return -EBUSY; 1137 } 1138 1139 switch (curr_iftype) { 1140 case NL80211_IFTYPE_ADHOC: 1141 switch (type) { 1142 case NL80211_IFTYPE_STATION: 1143 priv->bss_mode = type; 1144 priv->sec_info.authentication_mode = 1145 NL80211_AUTHTYPE_OPEN_SYSTEM; 1146 dev->ieee80211_ptr->iftype = type; 1147 mwifiex_deauthenticate(priv, NULL); 1148 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1149 HostCmd_ACT_GEN_SET, 0, NULL, 1150 true); 1151 case NL80211_IFTYPE_P2P_CLIENT: 1152 case NL80211_IFTYPE_P2P_GO: 1153 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1154 type, params); 1155 case NL80211_IFTYPE_AP: 1156 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1157 params); 1158 case NL80211_IFTYPE_UNSPECIFIED: 1159 mwifiex_dbg(priv->adapter, INFO, 1160 "%s: kept type as IBSS\n", dev->name); 1161 /* fall through */ 1162 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ 1163 return 0; 1164 default: 1165 mwifiex_dbg(priv->adapter, ERROR, 1166 "%s: changing to %d not supported\n", 1167 dev->name, type); 1168 return -EOPNOTSUPP; 1169 } 1170 break; 1171 case NL80211_IFTYPE_STATION: 1172 switch (type) { 1173 case NL80211_IFTYPE_ADHOC: 1174 priv->bss_mode = type; 1175 priv->sec_info.authentication_mode = 1176 NL80211_AUTHTYPE_OPEN_SYSTEM; 1177 dev->ieee80211_ptr->iftype = type; 1178 mwifiex_deauthenticate(priv, NULL); 1179 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1180 HostCmd_ACT_GEN_SET, 0, NULL, 1181 true); 1182 case NL80211_IFTYPE_P2P_CLIENT: 1183 case NL80211_IFTYPE_P2P_GO: 1184 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1185 type, params); 1186 case NL80211_IFTYPE_AP: 1187 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1188 params); 1189 case NL80211_IFTYPE_UNSPECIFIED: 1190 mwifiex_dbg(priv->adapter, INFO, 1191 "%s: kept type as STA\n", dev->name); 1192 /* fall through */ 1193 case NL80211_IFTYPE_STATION: /* This shouldn't happen */ 1194 return 0; 1195 default: 1196 mwifiex_dbg(priv->adapter, ERROR, 1197 "%s: changing to %d not supported\n", 1198 dev->name, type); 1199 return -EOPNOTSUPP; 1200 } 1201 break; 1202 case NL80211_IFTYPE_AP: 1203 switch (type) { 1204 case NL80211_IFTYPE_ADHOC: 1205 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1206 type, params); 1207 break; 1208 case NL80211_IFTYPE_P2P_CLIENT: 1209 case NL80211_IFTYPE_P2P_GO: 1210 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1211 type, params); 1212 case NL80211_IFTYPE_UNSPECIFIED: 1213 mwifiex_dbg(priv->adapter, INFO, 1214 "%s: kept type as AP\n", dev->name); 1215 /* fall through */ 1216 case NL80211_IFTYPE_AP: /* This shouldn't happen */ 1217 return 0; 1218 default: 1219 mwifiex_dbg(priv->adapter, ERROR, 1220 "%s: changing to %d not supported\n", 1221 dev->name, type); 1222 return -EOPNOTSUPP; 1223 } 1224 break; 1225 case NL80211_IFTYPE_P2P_CLIENT: 1226 case NL80211_IFTYPE_P2P_GO: 1227 switch (type) { 1228 case NL80211_IFTYPE_STATION: 1229 if (mwifiex_cfg80211_deinit_p2p(priv)) 1230 return -EFAULT; 1231 priv->adapter->curr_iface_comb.p2p_intf--; 1232 priv->adapter->curr_iface_comb.sta_intf++; 1233 dev->ieee80211_ptr->iftype = type; 1234 if (mwifiex_deinit_priv_params(priv)) 1235 return -1; 1236 if (mwifiex_init_new_priv_params(priv, dev, type)) 1237 return -1; 1238 if (mwifiex_sta_init_cmd(priv, false, false)) 1239 return -1; 1240 break; 1241 case NL80211_IFTYPE_ADHOC: 1242 if (mwifiex_cfg80211_deinit_p2p(priv)) 1243 return -EFAULT; 1244 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1245 type, params); 1246 break; 1247 case NL80211_IFTYPE_AP: 1248 if (mwifiex_cfg80211_deinit_p2p(priv)) 1249 return -EFAULT; 1250 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1251 params); 1252 case NL80211_IFTYPE_UNSPECIFIED: 1253 mwifiex_dbg(priv->adapter, INFO, 1254 "%s: kept type as P2P\n", dev->name); 1255 /* fall through */ 1256 case NL80211_IFTYPE_P2P_CLIENT: 1257 case NL80211_IFTYPE_P2P_GO: 1258 return 0; 1259 default: 1260 mwifiex_dbg(priv->adapter, ERROR, 1261 "%s: changing to %d not supported\n", 1262 dev->name, type); 1263 return -EOPNOTSUPP; 1264 } 1265 break; 1266 default: 1267 mwifiex_dbg(priv->adapter, ERROR, 1268 "%s: unknown iftype: %d\n", 1269 dev->name, dev->ieee80211_ptr->iftype); 1270 return -EOPNOTSUPP; 1271 } 1272 1273 1274 return 0; 1275 } 1276 1277 static void 1278 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, 1279 struct rate_info *rate) 1280 { 1281 struct mwifiex_adapter *adapter = priv->adapter; 1282 1283 if (adapter->is_hw_11ac_capable) { 1284 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1285 if (tx_htinfo & BIT(0)) { 1286 /* HT */ 1287 rate->mcs = priv->tx_rate; 1288 rate->flags |= RATE_INFO_FLAGS_MCS; 1289 } 1290 if (tx_htinfo & BIT(1)) { 1291 /* VHT */ 1292 rate->mcs = priv->tx_rate & 0x0F; 1293 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1294 } 1295 1296 if (tx_htinfo & (BIT(1) | BIT(0))) { 1297 /* HT or VHT */ 1298 switch (tx_htinfo & (BIT(3) | BIT(2))) { 1299 case 0: 1300 rate->bw = RATE_INFO_BW_20; 1301 break; 1302 case (BIT(2)): 1303 rate->bw = RATE_INFO_BW_40; 1304 break; 1305 case (BIT(3)): 1306 rate->bw = RATE_INFO_BW_80; 1307 break; 1308 case (BIT(3) | BIT(2)): 1309 rate->bw = RATE_INFO_BW_160; 1310 break; 1311 } 1312 1313 if (tx_htinfo & BIT(4)) 1314 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1315 1316 if ((priv->tx_rate >> 4) == 1) 1317 rate->nss = 2; 1318 else 1319 rate->nss = 1; 1320 } 1321 } else { 1322 /* 1323 * Bit 0 in tx_htinfo indicates that current Tx rate 1324 * is 11n rate. Valid MCS index values for us are 0 to 15. 1325 */ 1326 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { 1327 rate->mcs = priv->tx_rate; 1328 rate->flags |= RATE_INFO_FLAGS_MCS; 1329 rate->bw = RATE_INFO_BW_20; 1330 if (tx_htinfo & BIT(1)) 1331 rate->bw = RATE_INFO_BW_40; 1332 if (tx_htinfo & BIT(2)) 1333 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1334 } 1335 } 1336 } 1337 1338 /* 1339 * This function dumps the station information on a buffer. 1340 * 1341 * The following information are shown - 1342 * - Total bytes transmitted 1343 * - Total bytes received 1344 * - Total packets transmitted 1345 * - Total packets received 1346 * - Signal quality level 1347 * - Transmission rate 1348 */ 1349 static int 1350 mwifiex_dump_station_info(struct mwifiex_private *priv, 1351 struct mwifiex_sta_node *node, 1352 struct station_info *sinfo) 1353 { 1354 u32 rate; 1355 1356 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) | 1357 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | 1358 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | 1359 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 1360 1361 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1362 if (!node) 1363 return -ENOENT; 1364 1365 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | 1366 BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1367 sinfo->inactive_time = 1368 jiffies_to_msecs(jiffies - node->stats.last_rx); 1369 1370 sinfo->signal = node->stats.rssi; 1371 sinfo->signal_avg = node->stats.rssi; 1372 sinfo->rx_bytes = node->stats.rx_bytes; 1373 sinfo->tx_bytes = node->stats.tx_bytes; 1374 sinfo->rx_packets = node->stats.rx_packets; 1375 sinfo->tx_packets = node->stats.tx_packets; 1376 sinfo->tx_failed = node->stats.tx_failed; 1377 1378 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, 1379 &sinfo->txrate); 1380 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1381 1382 return 0; 1383 } 1384 1385 /* Get signal information from the firmware */ 1386 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1387 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1388 mwifiex_dbg(priv->adapter, ERROR, 1389 "failed to get signal information\n"); 1390 return -EFAULT; 1391 } 1392 1393 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1394 mwifiex_dbg(priv->adapter, ERROR, 1395 "getting data rate error\n"); 1396 return -EFAULT; 1397 } 1398 1399 /* Get DTIM period information from firmware */ 1400 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1401 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1402 &priv->dtim_period, true); 1403 1404 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); 1405 1406 sinfo->signal_avg = priv->bcn_rssi_avg; 1407 sinfo->rx_bytes = priv->stats.rx_bytes; 1408 sinfo->tx_bytes = priv->stats.tx_bytes; 1409 sinfo->rx_packets = priv->stats.rx_packets; 1410 sinfo->tx_packets = priv->stats.tx_packets; 1411 sinfo->signal = priv->bcn_rssi_avg; 1412 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1413 sinfo->txrate.legacy = rate * 5; 1414 1415 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1416 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); 1417 sinfo->bss_param.flags = 0; 1418 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1419 WLAN_CAPABILITY_SHORT_PREAMBLE) 1420 sinfo->bss_param.flags |= 1421 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1422 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1423 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1424 sinfo->bss_param.flags |= 1425 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1426 sinfo->bss_param.dtim_period = priv->dtim_period; 1427 sinfo->bss_param.beacon_interval = 1428 priv->curr_bss_params.bss_descriptor.beacon_period; 1429 } 1430 1431 return 0; 1432 } 1433 1434 /* 1435 * CFG802.11 operation handler to get station information. 1436 * 1437 * This function only works in connected mode, and dumps the 1438 * requested station information, if available. 1439 */ 1440 static int 1441 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1442 const u8 *mac, struct station_info *sinfo) 1443 { 1444 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1445 1446 if (!priv->media_connected) 1447 return -ENOENT; 1448 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1449 return -ENOENT; 1450 1451 return mwifiex_dump_station_info(priv, NULL, sinfo); 1452 } 1453 1454 /* 1455 * CFG802.11 operation handler to dump station information. 1456 */ 1457 static int 1458 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1459 int idx, u8 *mac, struct station_info *sinfo) 1460 { 1461 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1462 static struct mwifiex_sta_node *node; 1463 1464 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1465 priv->media_connected && idx == 0) { 1466 ether_addr_copy(mac, priv->cfg_bssid); 1467 return mwifiex_dump_station_info(priv, NULL, sinfo); 1468 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1469 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1470 HostCmd_ACT_GEN_GET, 0, NULL, true); 1471 1472 if (node && (&node->list == &priv->sta_list)) { 1473 node = NULL; 1474 return -ENOENT; 1475 } 1476 1477 node = list_prepare_entry(node, &priv->sta_list, list); 1478 list_for_each_entry_continue(node, &priv->sta_list, list) { 1479 ether_addr_copy(mac, node->mac_addr); 1480 return mwifiex_dump_station_info(priv, node, sinfo); 1481 } 1482 } 1483 1484 return -ENOENT; 1485 } 1486 1487 static int 1488 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1489 int idx, struct survey_info *survey) 1490 { 1491 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1492 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1493 enum nl80211_band band; 1494 1495 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1496 1497 memset(survey, 0, sizeof(struct survey_info)); 1498 1499 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1500 priv->media_connected && idx == 0) { 1501 u8 curr_bss_band = priv->curr_bss_params.band; 1502 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1503 1504 band = mwifiex_band_to_radio_type(curr_bss_band); 1505 survey->channel = ieee80211_get_channel(wiphy, 1506 ieee80211_channel_to_frequency(chan, band)); 1507 1508 if (priv->bcn_nf_last) { 1509 survey->filled = SURVEY_INFO_NOISE_DBM; 1510 survey->noise = priv->bcn_nf_last; 1511 } 1512 return 0; 1513 } 1514 1515 if (idx >= priv->adapter->num_in_chan_stats) 1516 return -ENOENT; 1517 1518 if (!pchan_stats[idx].cca_scan_dur) 1519 return 0; 1520 1521 band = pchan_stats[idx].bandcfg; 1522 survey->channel = ieee80211_get_channel(wiphy, 1523 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1524 survey->filled = SURVEY_INFO_NOISE_DBM | 1525 SURVEY_INFO_TIME | 1526 SURVEY_INFO_TIME_BUSY; 1527 survey->noise = pchan_stats[idx].noise; 1528 survey->time = pchan_stats[idx].cca_scan_dur; 1529 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1530 1531 return 0; 1532 } 1533 1534 /* Supported rates to be advertised to the cfg80211 */ 1535 static struct ieee80211_rate mwifiex_rates[] = { 1536 {.bitrate = 10, .hw_value = 2, }, 1537 {.bitrate = 20, .hw_value = 4, }, 1538 {.bitrate = 55, .hw_value = 11, }, 1539 {.bitrate = 110, .hw_value = 22, }, 1540 {.bitrate = 60, .hw_value = 12, }, 1541 {.bitrate = 90, .hw_value = 18, }, 1542 {.bitrate = 120, .hw_value = 24, }, 1543 {.bitrate = 180, .hw_value = 36, }, 1544 {.bitrate = 240, .hw_value = 48, }, 1545 {.bitrate = 360, .hw_value = 72, }, 1546 {.bitrate = 480, .hw_value = 96, }, 1547 {.bitrate = 540, .hw_value = 108, }, 1548 }; 1549 1550 /* Channel definitions to be advertised to cfg80211 */ 1551 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1552 {.center_freq = 2412, .hw_value = 1, }, 1553 {.center_freq = 2417, .hw_value = 2, }, 1554 {.center_freq = 2422, .hw_value = 3, }, 1555 {.center_freq = 2427, .hw_value = 4, }, 1556 {.center_freq = 2432, .hw_value = 5, }, 1557 {.center_freq = 2437, .hw_value = 6, }, 1558 {.center_freq = 2442, .hw_value = 7, }, 1559 {.center_freq = 2447, .hw_value = 8, }, 1560 {.center_freq = 2452, .hw_value = 9, }, 1561 {.center_freq = 2457, .hw_value = 10, }, 1562 {.center_freq = 2462, .hw_value = 11, }, 1563 {.center_freq = 2467, .hw_value = 12, }, 1564 {.center_freq = 2472, .hw_value = 13, }, 1565 {.center_freq = 2484, .hw_value = 14, }, 1566 }; 1567 1568 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1569 .channels = mwifiex_channels_2ghz, 1570 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1571 .bitrates = mwifiex_rates, 1572 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1573 }; 1574 1575 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1576 {.center_freq = 5040, .hw_value = 8, }, 1577 {.center_freq = 5060, .hw_value = 12, }, 1578 {.center_freq = 5080, .hw_value = 16, }, 1579 {.center_freq = 5170, .hw_value = 34, }, 1580 {.center_freq = 5190, .hw_value = 38, }, 1581 {.center_freq = 5210, .hw_value = 42, }, 1582 {.center_freq = 5230, .hw_value = 46, }, 1583 {.center_freq = 5180, .hw_value = 36, }, 1584 {.center_freq = 5200, .hw_value = 40, }, 1585 {.center_freq = 5220, .hw_value = 44, }, 1586 {.center_freq = 5240, .hw_value = 48, }, 1587 {.center_freq = 5260, .hw_value = 52, }, 1588 {.center_freq = 5280, .hw_value = 56, }, 1589 {.center_freq = 5300, .hw_value = 60, }, 1590 {.center_freq = 5320, .hw_value = 64, }, 1591 {.center_freq = 5500, .hw_value = 100, }, 1592 {.center_freq = 5520, .hw_value = 104, }, 1593 {.center_freq = 5540, .hw_value = 108, }, 1594 {.center_freq = 5560, .hw_value = 112, }, 1595 {.center_freq = 5580, .hw_value = 116, }, 1596 {.center_freq = 5600, .hw_value = 120, }, 1597 {.center_freq = 5620, .hw_value = 124, }, 1598 {.center_freq = 5640, .hw_value = 128, }, 1599 {.center_freq = 5660, .hw_value = 132, }, 1600 {.center_freq = 5680, .hw_value = 136, }, 1601 {.center_freq = 5700, .hw_value = 140, }, 1602 {.center_freq = 5745, .hw_value = 149, }, 1603 {.center_freq = 5765, .hw_value = 153, }, 1604 {.center_freq = 5785, .hw_value = 157, }, 1605 {.center_freq = 5805, .hw_value = 161, }, 1606 {.center_freq = 5825, .hw_value = 165, }, 1607 }; 1608 1609 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1610 .channels = mwifiex_channels_5ghz, 1611 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1612 .bitrates = mwifiex_rates + 4, 1613 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1614 }; 1615 1616 1617 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1618 static const u32 mwifiex_cipher_suites[] = { 1619 WLAN_CIPHER_SUITE_WEP40, 1620 WLAN_CIPHER_SUITE_WEP104, 1621 WLAN_CIPHER_SUITE_TKIP, 1622 WLAN_CIPHER_SUITE_CCMP, 1623 WLAN_CIPHER_SUITE_SMS4, 1624 WLAN_CIPHER_SUITE_AES_CMAC, 1625 }; 1626 1627 /* Supported mgmt frame types to be advertised to cfg80211 */ 1628 static const struct ieee80211_txrx_stypes 1629 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1630 [NL80211_IFTYPE_STATION] = { 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 [NL80211_IFTYPE_AP] = { 1637 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1638 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1639 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1640 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1641 }, 1642 [NL80211_IFTYPE_P2P_CLIENT] = { 1643 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1644 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1645 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1646 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1647 }, 1648 [NL80211_IFTYPE_P2P_GO] = { 1649 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1650 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1651 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1652 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1653 }, 1654 }; 1655 1656 /* 1657 * CFG802.11 operation handler for setting bit rates. 1658 * 1659 * Function configures data rates to firmware using bitrate mask 1660 * provided by cfg80211. 1661 */ 1662 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1663 struct net_device *dev, 1664 const u8 *peer, 1665 const struct cfg80211_bitrate_mask *mask) 1666 { 1667 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1668 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1669 enum nl80211_band band; 1670 struct mwifiex_adapter *adapter = priv->adapter; 1671 1672 if (!priv->media_connected) { 1673 mwifiex_dbg(adapter, ERROR, 1674 "Can not set Tx data rate in disconnected state\n"); 1675 return -EINVAL; 1676 } 1677 1678 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1679 1680 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1681 1682 /* Fill HR/DSSS rates. */ 1683 if (band == NL80211_BAND_2GHZ) 1684 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1685 1686 /* Fill OFDM rates */ 1687 if (band == NL80211_BAND_2GHZ) 1688 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1689 else 1690 bitmap_rates[1] = mask->control[band].legacy; 1691 1692 /* Fill HT MCS rates */ 1693 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1694 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1695 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1696 1697 /* Fill VHT MCS rates */ 1698 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1699 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1700 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1701 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1702 } 1703 1704 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1705 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1706 } 1707 1708 /* 1709 * CFG802.11 operation handler for connection quality monitoring. 1710 * 1711 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1712 * events to FW. 1713 */ 1714 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1715 struct net_device *dev, 1716 s32 rssi_thold, u32 rssi_hyst) 1717 { 1718 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1719 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1720 1721 priv->cqm_rssi_thold = rssi_thold; 1722 priv->cqm_rssi_hyst = rssi_hyst; 1723 1724 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1725 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1726 1727 /* Subscribe/unsubscribe low and high rssi events */ 1728 if (rssi_thold && rssi_hyst) { 1729 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1730 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1731 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1732 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1733 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1734 return mwifiex_send_cmd(priv, 1735 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1736 0, 0, &subsc_evt, true); 1737 } else { 1738 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1739 return mwifiex_send_cmd(priv, 1740 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1741 0, 0, &subsc_evt, true); 1742 } 1743 1744 return 0; 1745 } 1746 1747 /* cfg80211 operation handler for change_beacon. 1748 * Function retrieves and sets modified management IEs to FW. 1749 */ 1750 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1751 struct net_device *dev, 1752 struct cfg80211_beacon_data *data) 1753 { 1754 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1755 struct mwifiex_adapter *adapter = priv->adapter; 1756 1757 mwifiex_cancel_scan(adapter); 1758 1759 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1760 mwifiex_dbg(priv->adapter, ERROR, 1761 "%s: bss_type mismatched\n", __func__); 1762 return -EINVAL; 1763 } 1764 1765 if (!priv->bss_started) { 1766 mwifiex_dbg(priv->adapter, ERROR, 1767 "%s: bss not started\n", __func__); 1768 return -EINVAL; 1769 } 1770 1771 if (mwifiex_set_mgmt_ies(priv, data)) { 1772 mwifiex_dbg(priv->adapter, ERROR, 1773 "%s: setting mgmt ies failed\n", __func__); 1774 return -EFAULT; 1775 } 1776 1777 return 0; 1778 } 1779 1780 /* cfg80211 operation handler for del_station. 1781 * Function deauthenticates station which value is provided in mac parameter. 1782 * If mac is NULL/broadcast, all stations in associated station list are 1783 * deauthenticated. If bss is not started or there are no stations in 1784 * associated stations list, no action is taken. 1785 */ 1786 static int 1787 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1788 struct station_del_parameters *params) 1789 { 1790 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1791 struct mwifiex_sta_node *sta_node; 1792 u8 deauth_mac[ETH_ALEN]; 1793 unsigned long flags; 1794 1795 if (!priv->bss_started && priv->wdev.cac_started) { 1796 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1797 mwifiex_abort_cac(priv); 1798 } 1799 1800 if (list_empty(&priv->sta_list) || !priv->bss_started) 1801 return 0; 1802 1803 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1804 return 0; 1805 1806 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1807 __func__, params->mac); 1808 1809 eth_zero_addr(deauth_mac); 1810 1811 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 1812 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1813 if (sta_node) 1814 ether_addr_copy(deauth_mac, params->mac); 1815 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 1816 1817 if (is_valid_ether_addr(deauth_mac)) { 1818 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1819 HostCmd_ACT_GEN_SET, 0, 1820 deauth_mac, true)) 1821 return -1; 1822 } 1823 1824 return 0; 1825 } 1826 1827 static int 1828 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1829 { 1830 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1831 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1832 MWIFIEX_BSS_ROLE_ANY); 1833 struct mwifiex_ds_ant_cfg ant_cfg; 1834 1835 if (!tx_ant || !rx_ant) 1836 return -EOPNOTSUPP; 1837 1838 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1839 /* Not a MIMO chip. User should provide specific antenna number 1840 * for Tx/Rx path or enable all antennas for diversity 1841 */ 1842 if (tx_ant != rx_ant) 1843 return -EOPNOTSUPP; 1844 1845 if ((tx_ant & (tx_ant - 1)) && 1846 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1847 return -EOPNOTSUPP; 1848 1849 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1850 (priv->adapter->number_of_antenna > 1)) { 1851 tx_ant = RF_ANTENNA_AUTO; 1852 rx_ant = RF_ANTENNA_AUTO; 1853 } 1854 } else { 1855 struct ieee80211_sta_ht_cap *ht_info; 1856 int rx_mcs_supp; 1857 enum nl80211_band band; 1858 1859 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1860 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1861 if (adapter->is_hw_11ac_capable) 1862 adapter->usr_dot_11ac_mcs_support = 1863 MWIFIEX_11AC_MCS_MAP_1X1; 1864 } else { 1865 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1866 if (adapter->is_hw_11ac_capable) 1867 adapter->usr_dot_11ac_mcs_support = 1868 MWIFIEX_11AC_MCS_MAP_2X2; 1869 } 1870 1871 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1872 if (!adapter->wiphy->bands[band]) 1873 continue; 1874 1875 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1876 rx_mcs_supp = 1877 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1878 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1879 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1880 } 1881 } 1882 1883 ant_cfg.tx_ant = tx_ant; 1884 ant_cfg.rx_ant = rx_ant; 1885 1886 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1887 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 1888 } 1889 1890 static int 1891 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 1892 { 1893 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1894 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1895 MWIFIEX_BSS_ROLE_ANY); 1896 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1897 HostCmd_ACT_GEN_GET, 0, NULL, true); 1898 1899 *tx_ant = priv->tx_ant; 1900 *rx_ant = priv->rx_ant; 1901 1902 return 0; 1903 } 1904 1905 /* cfg80211 operation handler for stop ap. 1906 * Function stops BSS running at uAP interface. 1907 */ 1908 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1909 { 1910 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1911 1912 mwifiex_abort_cac(priv); 1913 1914 if (mwifiex_del_mgmt_ies(priv)) 1915 mwifiex_dbg(priv->adapter, ERROR, 1916 "Failed to delete mgmt IEs!\n"); 1917 1918 priv->ap_11n_enabled = 0; 1919 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 1920 1921 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 1922 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1923 mwifiex_dbg(priv->adapter, ERROR, 1924 "Failed to stop the BSS\n"); 1925 return -1; 1926 } 1927 1928 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 1929 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1930 mwifiex_dbg(priv->adapter, ERROR, 1931 "Failed to reset BSS\n"); 1932 return -1; 1933 } 1934 1935 if (netif_carrier_ok(priv->netdev)) 1936 netif_carrier_off(priv->netdev); 1937 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 1938 1939 return 0; 1940 } 1941 1942 /* cfg80211 operation handler for start_ap. 1943 * Function sets beacon period, DTIM period, SSID and security into 1944 * AP config structure. 1945 * AP is configured with these settings and BSS is started. 1946 */ 1947 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 1948 struct net_device *dev, 1949 struct cfg80211_ap_settings *params) 1950 { 1951 struct mwifiex_uap_bss_param *bss_cfg; 1952 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1953 1954 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 1955 return -1; 1956 1957 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 1958 if (!bss_cfg) 1959 return -ENOMEM; 1960 1961 mwifiex_set_sys_config_invalid_data(bss_cfg); 1962 1963 if (params->beacon_interval) 1964 bss_cfg->beacon_period = params->beacon_interval; 1965 if (params->dtim_period) 1966 bss_cfg->dtim_period = params->dtim_period; 1967 1968 if (params->ssid && params->ssid_len) { 1969 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 1970 bss_cfg->ssid.ssid_len = params->ssid_len; 1971 } 1972 if (params->inactivity_timeout > 0) { 1973 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 1974 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 1975 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 1976 } 1977 1978 switch (params->hidden_ssid) { 1979 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1980 bss_cfg->bcast_ssid_ctl = 1; 1981 break; 1982 case NL80211_HIDDEN_SSID_ZERO_LEN: 1983 bss_cfg->bcast_ssid_ctl = 0; 1984 break; 1985 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1986 bss_cfg->bcast_ssid_ctl = 2; 1987 break; 1988 default: 1989 kfree(bss_cfg); 1990 return -EINVAL; 1991 } 1992 1993 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 1994 mwifiex_set_uap_rates(bss_cfg, params); 1995 1996 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 1997 mwifiex_dbg(priv->adapter, ERROR, 1998 "Failed to parse security parameters!\n"); 1999 goto out; 2000 } 2001 2002 mwifiex_set_ht_params(priv, bss_cfg, params); 2003 2004 if (priv->adapter->is_hw_11ac_capable) { 2005 mwifiex_set_vht_params(priv, bss_cfg, params); 2006 mwifiex_set_vht_width(priv, params->chandef.width, 2007 priv->ap_11ac_enabled); 2008 } 2009 2010 if (priv->ap_11ac_enabled) 2011 mwifiex_set_11ac_ba_params(priv); 2012 else 2013 mwifiex_set_ba_params(priv); 2014 2015 mwifiex_set_wmm_params(priv, bss_cfg, params); 2016 2017 if (mwifiex_is_11h_active(priv)) 2018 mwifiex_set_tpc_params(priv, bss_cfg, params); 2019 2020 if (mwifiex_is_11h_active(priv) && 2021 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 2022 priv->bss_mode)) { 2023 mwifiex_dbg(priv->adapter, INFO, 2024 "Disable 11h extensions in FW\n"); 2025 if (mwifiex_11h_activate(priv, false)) { 2026 mwifiex_dbg(priv->adapter, ERROR, 2027 "Failed to disable 11h extensions!!"); 2028 goto out; 2029 } 2030 priv->state_11h.is_11h_active = false; 2031 } 2032 2033 mwifiex_config_uap_11d(priv, ¶ms->beacon); 2034 2035 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2036 mwifiex_dbg(priv->adapter, ERROR, 2037 "Failed to start AP\n"); 2038 goto out; 2039 } 2040 2041 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2042 goto out; 2043 2044 if (!netif_carrier_ok(priv->netdev)) 2045 netif_carrier_on(priv->netdev); 2046 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2047 2048 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2049 kfree(bss_cfg); 2050 return 0; 2051 2052 out: 2053 kfree(bss_cfg); 2054 return -1; 2055 } 2056 2057 /* 2058 * CFG802.11 operation handler for disconnection request. 2059 * 2060 * This function does not work when there is already a disconnection 2061 * procedure going on. 2062 */ 2063 static int 2064 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2065 u16 reason_code) 2066 { 2067 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2068 2069 if (!mwifiex_stop_bg_scan(priv)) 2070 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2071 2072 if (mwifiex_deauthenticate(priv, NULL)) 2073 return -EFAULT; 2074 2075 eth_zero_addr(priv->cfg_bssid); 2076 priv->hs2_enabled = false; 2077 2078 return 0; 2079 } 2080 2081 /* 2082 * This function informs the CFG802.11 subsystem of a new IBSS. 2083 * 2084 * The following information are sent to the CFG802.11 subsystem 2085 * to register the new IBSS. If we do not register the new IBSS, 2086 * a kernel panic will result. 2087 * - SSID 2088 * - SSID length 2089 * - BSSID 2090 * - Channel 2091 */ 2092 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2093 { 2094 struct ieee80211_channel *chan; 2095 struct mwifiex_bss_info bss_info; 2096 struct cfg80211_bss *bss; 2097 int ie_len; 2098 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2099 enum nl80211_band band; 2100 2101 if (mwifiex_get_bss_info(priv, &bss_info)) 2102 return -1; 2103 2104 ie_buf[0] = WLAN_EID_SSID; 2105 ie_buf[1] = bss_info.ssid.ssid_len; 2106 2107 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2108 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2109 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2110 2111 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2112 chan = ieee80211_get_channel(priv->wdev.wiphy, 2113 ieee80211_channel_to_frequency(bss_info.bss_chan, 2114 band)); 2115 2116 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2117 CFG80211_BSS_FTYPE_UNKNOWN, 2118 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2119 0, ie_buf, ie_len, 0, GFP_KERNEL); 2120 if (bss) { 2121 cfg80211_put_bss(priv->wdev.wiphy, bss); 2122 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2123 } 2124 2125 return 0; 2126 } 2127 2128 /* 2129 * This function connects with a BSS. 2130 * 2131 * This function handles both Infra and Ad-Hoc modes. It also performs 2132 * validity checking on the provided parameters, disconnects from the 2133 * current BSS (if any), sets up the association/scan parameters, 2134 * including security settings, and performs specific SSID scan before 2135 * trying to connect. 2136 * 2137 * For Infra mode, the function returns failure if the specified SSID 2138 * is not found in scan table. However, for Ad-Hoc mode, it can create 2139 * the IBSS if it does not exist. On successful completion in either case, 2140 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2141 */ 2142 static int 2143 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2144 const u8 *ssid, const u8 *bssid, int mode, 2145 struct ieee80211_channel *channel, 2146 struct cfg80211_connect_params *sme, bool privacy) 2147 { 2148 struct cfg80211_ssid req_ssid; 2149 int ret, auth_type = 0; 2150 struct cfg80211_bss *bss = NULL; 2151 u8 is_scanning_required = 0; 2152 2153 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2154 2155 req_ssid.ssid_len = ssid_len; 2156 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2157 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2158 return -EINVAL; 2159 } 2160 2161 memcpy(req_ssid.ssid, ssid, ssid_len); 2162 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2163 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2164 return -EINVAL; 2165 } 2166 2167 /* As this is new association, clear locally stored 2168 * keys and security related flags */ 2169 priv->sec_info.wpa_enabled = false; 2170 priv->sec_info.wpa2_enabled = false; 2171 priv->wep_key_curr_index = 0; 2172 priv->sec_info.encryption_mode = 0; 2173 priv->sec_info.is_authtype_auto = 0; 2174 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2175 2176 if (mode == NL80211_IFTYPE_ADHOC) { 2177 u16 enable = true; 2178 2179 /* set ibss coalescing_status */ 2180 ret = mwifiex_send_cmd( 2181 priv, 2182 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2183 HostCmd_ACT_GEN_SET, 0, &enable, true); 2184 if (ret) 2185 return ret; 2186 2187 /* "privacy" is set only for ad-hoc mode */ 2188 if (privacy) { 2189 /* 2190 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2191 * the firmware can find a matching network from the 2192 * scan. The cfg80211 does not give us the encryption 2193 * mode at this stage so just setting it to WEP here. 2194 */ 2195 priv->sec_info.encryption_mode = 2196 WLAN_CIPHER_SUITE_WEP104; 2197 priv->sec_info.authentication_mode = 2198 NL80211_AUTHTYPE_OPEN_SYSTEM; 2199 } 2200 2201 goto done; 2202 } 2203 2204 /* Now handle infra mode. "sme" is valid for infra mode only */ 2205 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2206 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2207 priv->sec_info.is_authtype_auto = 1; 2208 } else { 2209 auth_type = sme->auth_type; 2210 } 2211 2212 if (sme->crypto.n_ciphers_pairwise) { 2213 priv->sec_info.encryption_mode = 2214 sme->crypto.ciphers_pairwise[0]; 2215 priv->sec_info.authentication_mode = auth_type; 2216 } 2217 2218 if (sme->crypto.cipher_group) { 2219 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2220 priv->sec_info.authentication_mode = auth_type; 2221 } 2222 if (sme->ie) 2223 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2224 2225 if (sme->key) { 2226 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2227 mwifiex_dbg(priv->adapter, INFO, 2228 "info: setting wep encryption\t" 2229 "with key len %d\n", sme->key_len); 2230 priv->wep_key_curr_index = sme->key_idx; 2231 ret = mwifiex_set_encode(priv, NULL, sme->key, 2232 sme->key_len, sme->key_idx, 2233 NULL, 0); 2234 } 2235 } 2236 done: 2237 /* 2238 * Scan entries are valid for some time (15 sec). So we can save one 2239 * active scan time if we just try cfg80211_get_bss first. If it fails 2240 * then request scan and cfg80211_get_bss() again for final output. 2241 */ 2242 while (1) { 2243 if (is_scanning_required) { 2244 /* Do specific SSID scanning */ 2245 if (mwifiex_request_scan(priv, &req_ssid)) { 2246 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2247 return -EFAULT; 2248 } 2249 } 2250 2251 /* Find the BSS we want using available scan results */ 2252 if (mode == NL80211_IFTYPE_ADHOC) 2253 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2254 bssid, ssid, ssid_len, 2255 IEEE80211_BSS_TYPE_IBSS, 2256 IEEE80211_PRIVACY_ANY); 2257 else 2258 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2259 bssid, ssid, ssid_len, 2260 IEEE80211_BSS_TYPE_ESS, 2261 IEEE80211_PRIVACY_ANY); 2262 2263 if (!bss) { 2264 if (is_scanning_required) { 2265 mwifiex_dbg(priv->adapter, MSG, 2266 "assoc: requested bss not found in scan results\n"); 2267 break; 2268 } 2269 is_scanning_required = 1; 2270 } else { 2271 mwifiex_dbg(priv->adapter, MSG, 2272 "info: trying to associate to '%.*s' bssid %pM\n", 2273 req_ssid.ssid_len, (char *)req_ssid.ssid, 2274 bss->bssid); 2275 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2276 break; 2277 } 2278 } 2279 2280 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2281 if (ret) 2282 return ret; 2283 2284 if (mode == NL80211_IFTYPE_ADHOC) { 2285 /* Inform the BSS information to kernel, otherwise 2286 * kernel will give a panic after successful assoc */ 2287 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2288 return -EFAULT; 2289 } 2290 2291 return ret; 2292 } 2293 2294 /* 2295 * CFG802.11 operation handler for association request. 2296 * 2297 * This function does not work when the current mode is set to Ad-Hoc, or 2298 * when there is already an association procedure going on. The given BSS 2299 * information is used to associate. 2300 */ 2301 static int 2302 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2303 struct cfg80211_connect_params *sme) 2304 { 2305 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2306 struct mwifiex_adapter *adapter = priv->adapter; 2307 int ret; 2308 2309 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2310 mwifiex_dbg(adapter, ERROR, 2311 "%s: reject infra assoc request in non-STA role\n", 2312 dev->name); 2313 return -EINVAL; 2314 } 2315 2316 if (priv->wdev.current_bss) { 2317 mwifiex_dbg(adapter, ERROR, 2318 "%s: already connected\n", dev->name); 2319 return -EALREADY; 2320 } 2321 2322 if (priv->scan_block) 2323 priv->scan_block = false; 2324 2325 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) || 2326 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { 2327 mwifiex_dbg(adapter, ERROR, 2328 "%s: Ignore connection.\t" 2329 "Card removed or FW in bad state\n", 2330 dev->name); 2331 return -EFAULT; 2332 } 2333 2334 mwifiex_dbg(adapter, INFO, 2335 "info: Trying to associate to %.*s and bssid %pM\n", 2336 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid); 2337 2338 if (!mwifiex_stop_bg_scan(priv)) 2339 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2340 2341 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2342 priv->bss_mode, sme->channel, sme, 0); 2343 if (!ret) { 2344 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2345 NULL, 0, WLAN_STATUS_SUCCESS, 2346 GFP_KERNEL); 2347 mwifiex_dbg(priv->adapter, MSG, 2348 "info: associated to bssid %pM successfully\n", 2349 priv->cfg_bssid); 2350 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2351 priv->adapter->auto_tdls && 2352 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2353 mwifiex_setup_auto_tdls_timer(priv); 2354 } else { 2355 mwifiex_dbg(priv->adapter, ERROR, 2356 "info: association to bssid %pM failed\n", 2357 priv->cfg_bssid); 2358 eth_zero_addr(priv->cfg_bssid); 2359 2360 if (ret > 0) 2361 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2362 NULL, 0, NULL, 0, ret, 2363 GFP_KERNEL); 2364 else 2365 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2366 NULL, 0, NULL, 0, 2367 WLAN_STATUS_UNSPECIFIED_FAILURE, 2368 GFP_KERNEL); 2369 } 2370 2371 return 0; 2372 } 2373 2374 /* 2375 * This function sets following parameters for ibss network. 2376 * - channel 2377 * - start band 2378 * - 11n flag 2379 * - secondary channel offset 2380 */ 2381 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2382 struct cfg80211_ibss_params *params) 2383 { 2384 struct mwifiex_adapter *adapter = priv->adapter; 2385 int index = 0, i; 2386 u8 config_bands = 0; 2387 2388 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2389 if (!params->basic_rates) { 2390 config_bands = BAND_B | BAND_G; 2391 } else { 2392 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2393 /* 2394 * Rates below 6 Mbps in the table are CCK 2395 * rates; 802.11b and from 6 they are OFDM; 2396 * 802.11G 2397 */ 2398 if (mwifiex_rates[i].bitrate == 60) { 2399 index = 1 << i; 2400 break; 2401 } 2402 } 2403 2404 if (params->basic_rates < index) { 2405 config_bands = BAND_B; 2406 } else { 2407 config_bands = BAND_G; 2408 if (params->basic_rates % index) 2409 config_bands |= BAND_B; 2410 } 2411 } 2412 2413 if (cfg80211_get_chandef_type(¶ms->chandef) != 2414 NL80211_CHAN_NO_HT) 2415 config_bands |= BAND_G | BAND_GN; 2416 } else { 2417 if (cfg80211_get_chandef_type(¶ms->chandef) == 2418 NL80211_CHAN_NO_HT) 2419 config_bands = BAND_A; 2420 else 2421 config_bands = BAND_AN | BAND_A; 2422 } 2423 2424 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2425 adapter->config_bands = config_bands; 2426 adapter->adhoc_start_band = config_bands; 2427 2428 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2429 adapter->adhoc_11n_enabled = true; 2430 else 2431 adapter->adhoc_11n_enabled = false; 2432 } 2433 2434 adapter->sec_chan_offset = 2435 mwifiex_chan_type_to_sec_chan_offset( 2436 cfg80211_get_chandef_type(¶ms->chandef)); 2437 priv->adhoc_channel = ieee80211_frequency_to_channel( 2438 params->chandef.chan->center_freq); 2439 2440 mwifiex_dbg(adapter, INFO, 2441 "info: set ibss band %d, chan %d, chan offset %d\n", 2442 config_bands, priv->adhoc_channel, 2443 adapter->sec_chan_offset); 2444 2445 return 0; 2446 } 2447 2448 /* 2449 * CFG802.11 operation handler to join an IBSS. 2450 * 2451 * This function does not work in any mode other than Ad-Hoc, or if 2452 * a join operation is already in progress. 2453 */ 2454 static int 2455 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2456 struct cfg80211_ibss_params *params) 2457 { 2458 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2459 int ret = 0; 2460 2461 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2462 mwifiex_dbg(priv->adapter, ERROR, 2463 "request to join ibss received\t" 2464 "when station is not in ibss mode\n"); 2465 goto done; 2466 } 2467 2468 mwifiex_dbg(priv->adapter, MSG, 2469 "info: trying to join to %.*s and bssid %pM\n", 2470 params->ssid_len, (char *)params->ssid, params->bssid); 2471 2472 mwifiex_set_ibss_params(priv, params); 2473 2474 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2475 params->bssid, priv->bss_mode, 2476 params->chandef.chan, NULL, 2477 params->privacy); 2478 done: 2479 if (!ret) { 2480 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2481 params->chandef.chan, GFP_KERNEL); 2482 mwifiex_dbg(priv->adapter, MSG, 2483 "info: joined/created adhoc network with bssid\t" 2484 "%pM successfully\n", priv->cfg_bssid); 2485 } else { 2486 mwifiex_dbg(priv->adapter, ERROR, 2487 "info: failed creating/joining adhoc network\n"); 2488 } 2489 2490 return ret; 2491 } 2492 2493 /* 2494 * CFG802.11 operation handler to leave an IBSS. 2495 * 2496 * This function does not work if a leave operation is 2497 * already in progress. 2498 */ 2499 static int 2500 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2501 { 2502 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2503 2504 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2505 priv->cfg_bssid); 2506 if (mwifiex_deauthenticate(priv, NULL)) 2507 return -EFAULT; 2508 2509 eth_zero_addr(priv->cfg_bssid); 2510 2511 return 0; 2512 } 2513 2514 /* 2515 * CFG802.11 operation handler for scan request. 2516 * 2517 * This function issues a scan request to the firmware based upon 2518 * the user specified scan configuration. On successful completion, 2519 * it also informs the results. 2520 */ 2521 static int 2522 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2523 struct cfg80211_scan_request *request) 2524 { 2525 struct net_device *dev = request->wdev->netdev; 2526 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2527 int i, offset, ret; 2528 struct ieee80211_channel *chan; 2529 struct ieee_types_header *ie; 2530 struct mwifiex_user_scan_cfg *user_scan_cfg; 2531 u8 mac_addr[ETH_ALEN]; 2532 2533 mwifiex_dbg(priv->adapter, CMD, 2534 "info: received scan request on %s\n", dev->name); 2535 2536 /* Block scan request if scan operation or scan cleanup when interface 2537 * is disabled is in process 2538 */ 2539 if (priv->scan_request || priv->scan_aborting) { 2540 mwifiex_dbg(priv->adapter, WARN, 2541 "cmd: Scan already in process..\n"); 2542 return -EBUSY; 2543 } 2544 2545 if (!priv->wdev.current_bss && priv->scan_block) 2546 priv->scan_block = false; 2547 2548 if (!mwifiex_stop_bg_scan(priv)) 2549 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2550 2551 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2552 if (!user_scan_cfg) 2553 return -ENOMEM; 2554 2555 priv->scan_request = request; 2556 2557 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2558 get_random_mask_addr(mac_addr, request->mac_addr, 2559 request->mac_addr_mask); 2560 ether_addr_copy(request->mac_addr, mac_addr); 2561 ether_addr_copy(user_scan_cfg->random_mac, mac_addr); 2562 } 2563 2564 user_scan_cfg->num_ssids = request->n_ssids; 2565 user_scan_cfg->ssid_list = request->ssids; 2566 2567 if (request->ie && request->ie_len) { 2568 offset = 0; 2569 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2570 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2571 continue; 2572 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2573 ie = (struct ieee_types_header *)(request->ie + offset); 2574 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2575 offset += sizeof(*ie) + ie->len; 2576 2577 if (offset >= request->ie_len) 2578 break; 2579 } 2580 } 2581 2582 for (i = 0; i < min_t(u32, request->n_channels, 2583 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2584 chan = request->channels[i]; 2585 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2586 user_scan_cfg->chan_list[i].radio_type = chan->band; 2587 2588 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2589 user_scan_cfg->chan_list[i].scan_type = 2590 MWIFIEX_SCAN_TYPE_PASSIVE; 2591 else 2592 user_scan_cfg->chan_list[i].scan_type = 2593 MWIFIEX_SCAN_TYPE_ACTIVE; 2594 2595 user_scan_cfg->chan_list[i].scan_time = 0; 2596 } 2597 2598 if (priv->adapter->scan_chan_gap_enabled && 2599 mwifiex_is_any_intf_active(priv)) 2600 user_scan_cfg->scan_chan_gap = 2601 priv->adapter->scan_chan_gap_time; 2602 2603 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2604 kfree(user_scan_cfg); 2605 if (ret) { 2606 mwifiex_dbg(priv->adapter, ERROR, 2607 "scan failed: %d\n", ret); 2608 priv->scan_aborting = false; 2609 priv->scan_request = NULL; 2610 return ret; 2611 } 2612 2613 if (request->ie && request->ie_len) { 2614 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2615 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2616 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2617 memset(&priv->vs_ie[i].ie, 0, 2618 MWIFIEX_MAX_VSIE_LEN); 2619 } 2620 } 2621 } 2622 return 0; 2623 } 2624 2625 /* CFG802.11 operation handler for sched_scan_start. 2626 * 2627 * This function issues a bgscan config request to the firmware based upon 2628 * the user specified sched_scan configuration. On successful completion, 2629 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2630 * query command to get sched_scan results from firmware. 2631 */ 2632 static int 2633 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2634 struct net_device *dev, 2635 struct cfg80211_sched_scan_request *request) 2636 { 2637 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2638 int i, offset; 2639 struct ieee80211_channel *chan; 2640 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2641 struct ieee_types_header *ie; 2642 2643 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2644 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2645 __func__); 2646 return -EINVAL; 2647 } 2648 2649 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2650 request->n_ssids, request->n_match_sets); 2651 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2652 request->n_channels, request->scan_plans->interval, 2653 (int)request->ie_len); 2654 2655 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2656 if (!bgscan_cfg) 2657 return -ENOMEM; 2658 2659 if (priv->scan_request || priv->scan_aborting) 2660 bgscan_cfg->start_later = true; 2661 2662 bgscan_cfg->num_ssids = request->n_match_sets; 2663 bgscan_cfg->ssid_list = request->match_sets; 2664 2665 if (request->ie && request->ie_len) { 2666 offset = 0; 2667 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2668 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2669 continue; 2670 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2671 ie = (struct ieee_types_header *)(request->ie + offset); 2672 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2673 offset += sizeof(*ie) + ie->len; 2674 2675 if (offset >= request->ie_len) 2676 break; 2677 } 2678 } 2679 2680 for (i = 0; i < min_t(u32, request->n_channels, 2681 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2682 chan = request->channels[i]; 2683 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2684 bgscan_cfg->chan_list[i].radio_type = chan->band; 2685 2686 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2687 bgscan_cfg->chan_list[i].scan_type = 2688 MWIFIEX_SCAN_TYPE_PASSIVE; 2689 else 2690 bgscan_cfg->chan_list[i].scan_type = 2691 MWIFIEX_SCAN_TYPE_ACTIVE; 2692 2693 bgscan_cfg->chan_list[i].scan_time = 0; 2694 } 2695 2696 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2697 MWIFIEX_BG_SCAN_CHAN_MAX); 2698 2699 /* Use at least 15 second for per scan cycle */ 2700 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2701 MWIFIEX_BGSCAN_INTERVAL) ? 2702 request->scan_plans->interval : 2703 MWIFIEX_BGSCAN_INTERVAL; 2704 2705 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2706 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2707 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2708 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2709 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2710 bgscan_cfg->enable = true; 2711 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2712 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2713 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2714 } 2715 2716 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2717 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2718 kfree(bgscan_cfg); 2719 return -EFAULT; 2720 } 2721 2722 priv->sched_scanning = true; 2723 2724 kfree(bgscan_cfg); 2725 return 0; 2726 } 2727 2728 /* CFG802.11 operation handler for sched_scan_stop. 2729 * 2730 * This function issues a bgscan config command to disable 2731 * previous bgscan configuration in the firmware 2732 */ 2733 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2734 struct net_device *dev, u64 reqid) 2735 { 2736 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2737 2738 wiphy_info(wiphy, "sched scan stop!"); 2739 mwifiex_stop_bg_scan(priv); 2740 2741 return 0; 2742 } 2743 2744 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2745 struct mwifiex_private *priv) 2746 { 2747 struct mwifiex_adapter *adapter = priv->adapter; 2748 2749 vht_info->vht_supported = true; 2750 2751 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2752 /* Update MCS support for VHT */ 2753 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2754 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2755 vht_info->vht_mcs.rx_highest = 0; 2756 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2757 adapter->hw_dot_11ac_mcs_support >> 16); 2758 vht_info->vht_mcs.tx_highest = 0; 2759 } 2760 2761 /* 2762 * This function sets up the CFG802.11 specific HT capability fields 2763 * with default values. 2764 * 2765 * The following default values are set - 2766 * - HT Supported = True 2767 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2768 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2769 * - HT Capabilities supported by firmware 2770 * - MCS information, Rx mask = 0xff 2771 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2772 */ 2773 static void 2774 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2775 struct mwifiex_private *priv) 2776 { 2777 int rx_mcs_supp; 2778 struct ieee80211_mcs_info mcs_set; 2779 u8 *mcs = (u8 *)&mcs_set; 2780 struct mwifiex_adapter *adapter = priv->adapter; 2781 2782 ht_info->ht_supported = true; 2783 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2784 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2785 2786 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2787 2788 /* Fill HT capability information */ 2789 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2790 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2791 else 2792 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2793 2794 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2795 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2796 else 2797 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2798 2799 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2800 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2801 else 2802 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2803 2804 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2805 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2806 else 2807 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2808 2809 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2810 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2811 else 2812 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2813 2814 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2815 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2816 else 2817 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2818 2819 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2820 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2821 else 2822 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2823 2824 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2825 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2826 else 2827 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2828 2829 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2830 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2831 2832 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2833 /* Set MCS for 1x1/2x2 */ 2834 memset(mcs, 0xff, rx_mcs_supp); 2835 /* Clear all the other values */ 2836 memset(&mcs[rx_mcs_supp], 0, 2837 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2838 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2839 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2840 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2841 SETHT_MCS32(mcs_set.rx_mask); 2842 2843 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2844 2845 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2846 } 2847 2848 /* 2849 * create a new virtual interface with the given name and name assign type 2850 */ 2851 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2852 const char *name, 2853 unsigned char name_assign_type, 2854 enum nl80211_iftype type, 2855 struct vif_params *params) 2856 { 2857 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2858 struct mwifiex_private *priv; 2859 struct net_device *dev; 2860 void *mdev_priv; 2861 int ret; 2862 2863 if (!adapter) 2864 return ERR_PTR(-EFAULT); 2865 2866 switch (type) { 2867 case NL80211_IFTYPE_UNSPECIFIED: 2868 case NL80211_IFTYPE_STATION: 2869 case NL80211_IFTYPE_ADHOC: 2870 if (adapter->curr_iface_comb.sta_intf == 2871 adapter->iface_limit.sta_intf) { 2872 mwifiex_dbg(adapter, ERROR, 2873 "cannot create multiple sta/adhoc ifaces\n"); 2874 return ERR_PTR(-EINVAL); 2875 } 2876 2877 priv = mwifiex_get_unused_priv_by_bss_type( 2878 adapter, MWIFIEX_BSS_TYPE_STA); 2879 if (!priv) { 2880 mwifiex_dbg(adapter, ERROR, 2881 "could not get free private struct\n"); 2882 return ERR_PTR(-EFAULT); 2883 } 2884 2885 priv->wdev.wiphy = wiphy; 2886 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2887 2888 if (type == NL80211_IFTYPE_UNSPECIFIED) 2889 priv->bss_mode = NL80211_IFTYPE_STATION; 2890 else 2891 priv->bss_mode = type; 2892 2893 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2894 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2895 priv->bss_priority = 0; 2896 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2897 2898 break; 2899 case NL80211_IFTYPE_AP: 2900 if (adapter->curr_iface_comb.uap_intf == 2901 adapter->iface_limit.uap_intf) { 2902 mwifiex_dbg(adapter, ERROR, 2903 "cannot create multiple AP ifaces\n"); 2904 return ERR_PTR(-EINVAL); 2905 } 2906 2907 priv = mwifiex_get_unused_priv_by_bss_type( 2908 adapter, MWIFIEX_BSS_TYPE_UAP); 2909 if (!priv) { 2910 mwifiex_dbg(adapter, ERROR, 2911 "could not get free private struct\n"); 2912 return ERR_PTR(-EFAULT); 2913 } 2914 2915 priv->wdev.wiphy = wiphy; 2916 priv->wdev.iftype = NL80211_IFTYPE_AP; 2917 2918 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2919 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2920 priv->bss_priority = 0; 2921 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2922 priv->bss_started = 0; 2923 priv->bss_mode = type; 2924 2925 break; 2926 case NL80211_IFTYPE_P2P_CLIENT: 2927 if (adapter->curr_iface_comb.p2p_intf == 2928 adapter->iface_limit.p2p_intf) { 2929 mwifiex_dbg(adapter, ERROR, 2930 "cannot create multiple P2P ifaces\n"); 2931 return ERR_PTR(-EINVAL); 2932 } 2933 2934 priv = mwifiex_get_unused_priv_by_bss_type( 2935 adapter, MWIFIEX_BSS_TYPE_P2P); 2936 if (!priv) { 2937 mwifiex_dbg(adapter, ERROR, 2938 "could not get free private struct\n"); 2939 return ERR_PTR(-EFAULT); 2940 } 2941 2942 priv->wdev.wiphy = wiphy; 2943 /* At start-up, wpa_supplicant tries to change the interface 2944 * to NL80211_IFTYPE_STATION if it is not managed mode. 2945 */ 2946 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2947 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2948 2949 /* Setting bss_type to P2P tells firmware that this interface 2950 * is receiving P2P peers found during find phase and doing 2951 * action frame handshake. 2952 */ 2953 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2954 2955 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2956 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2957 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2958 priv->bss_started = 0; 2959 2960 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2961 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2962 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2963 return ERR_PTR(-EFAULT); 2964 } 2965 2966 break; 2967 default: 2968 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2969 return ERR_PTR(-EINVAL); 2970 } 2971 2972 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 2973 name_assign_type, ether_setup, 2974 IEEE80211_NUM_ACS, 1); 2975 if (!dev) { 2976 mwifiex_dbg(adapter, ERROR, 2977 "no memory available for netdevice\n"); 2978 ret = -ENOMEM; 2979 goto err_alloc_netdev; 2980 } 2981 2982 mwifiex_init_priv_params(priv, dev); 2983 2984 priv->netdev = dev; 2985 2986 if (!adapter->mfg_mode) { 2987 mwifiex_set_mac_address(priv, dev, false, NULL); 2988 2989 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 2990 HostCmd_ACT_GEN_SET, 0, NULL, true); 2991 if (ret) 2992 goto err_set_bss_mode; 2993 2994 ret = mwifiex_sta_init_cmd(priv, false, false); 2995 if (ret) 2996 goto err_sta_init; 2997 } 2998 2999 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 3000 if (adapter->is_hw_11ac_capable) 3001 mwifiex_setup_vht_caps( 3002 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 3003 3004 if (adapter->config_bands & BAND_A) 3005 mwifiex_setup_ht_caps( 3006 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 3007 3008 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 3009 mwifiex_setup_vht_caps( 3010 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 3011 3012 dev_net_set(dev, wiphy_net(wiphy)); 3013 dev->ieee80211_ptr = &priv->wdev; 3014 dev->ieee80211_ptr->iftype = priv->bss_mode; 3015 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 3016 3017 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 3018 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 3019 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 3020 dev->ethtool_ops = &mwifiex_ethtool_ops; 3021 3022 mdev_priv = netdev_priv(dev); 3023 *((unsigned long *) mdev_priv) = (unsigned long) priv; 3024 3025 SET_NETDEV_DEV(dev, adapter->dev); 3026 3027 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 3028 WQ_HIGHPRI | 3029 WQ_MEM_RECLAIM | 3030 WQ_UNBOUND, 1, name); 3031 if (!priv->dfs_cac_workqueue) { 3032 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); 3033 ret = -ENOMEM; 3034 goto err_alloc_cac; 3035 } 3036 3037 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3038 3039 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 3040 WQ_HIGHPRI | WQ_UNBOUND | 3041 WQ_MEM_RECLAIM, 1, name); 3042 if (!priv->dfs_chan_sw_workqueue) { 3043 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); 3044 ret = -ENOMEM; 3045 goto err_alloc_chsw; 3046 } 3047 3048 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3049 mwifiex_dfs_chan_sw_work_queue); 3050 3051 mutex_init(&priv->async_mutex); 3052 3053 /* Register network device */ 3054 if (register_netdevice(dev)) { 3055 mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); 3056 ret = -EFAULT; 3057 goto err_reg_netdev; 3058 } 3059 3060 mwifiex_dbg(adapter, INFO, 3061 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3062 3063 #ifdef CONFIG_DEBUG_FS 3064 mwifiex_dev_debugfs_init(priv); 3065 #endif 3066 3067 switch (type) { 3068 case NL80211_IFTYPE_UNSPECIFIED: 3069 case NL80211_IFTYPE_STATION: 3070 case NL80211_IFTYPE_ADHOC: 3071 adapter->curr_iface_comb.sta_intf++; 3072 break; 3073 case NL80211_IFTYPE_AP: 3074 adapter->curr_iface_comb.uap_intf++; 3075 break; 3076 case NL80211_IFTYPE_P2P_CLIENT: 3077 adapter->curr_iface_comb.p2p_intf++; 3078 break; 3079 default: 3080 /* This should be dead code; checked above */ 3081 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3082 return ERR_PTR(-EINVAL); 3083 } 3084 3085 return &priv->wdev; 3086 3087 err_reg_netdev: 3088 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3089 priv->dfs_chan_sw_workqueue = NULL; 3090 err_alloc_chsw: 3091 destroy_workqueue(priv->dfs_cac_workqueue); 3092 priv->dfs_cac_workqueue = NULL; 3093 err_alloc_cac: 3094 free_netdev(dev); 3095 priv->netdev = NULL; 3096 err_sta_init: 3097 err_set_bss_mode: 3098 err_alloc_netdev: 3099 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3100 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3101 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3102 return ERR_PTR(ret); 3103 } 3104 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3105 3106 /* 3107 * del_virtual_intf: remove the virtual interface determined by dev 3108 */ 3109 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3110 { 3111 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3112 struct mwifiex_adapter *adapter = priv->adapter; 3113 struct sk_buff *skb, *tmp; 3114 3115 #ifdef CONFIG_DEBUG_FS 3116 mwifiex_dev_debugfs_remove(priv); 3117 #endif 3118 3119 if (priv->sched_scanning) 3120 priv->sched_scanning = false; 3121 3122 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3123 3124 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3125 skb_unlink(skb, &priv->bypass_txq); 3126 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3127 } 3128 3129 if (netif_carrier_ok(priv->netdev)) 3130 netif_carrier_off(priv->netdev); 3131 3132 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3133 unregister_netdevice(wdev->netdev); 3134 3135 if (priv->dfs_cac_workqueue) { 3136 flush_workqueue(priv->dfs_cac_workqueue); 3137 destroy_workqueue(priv->dfs_cac_workqueue); 3138 priv->dfs_cac_workqueue = NULL; 3139 } 3140 3141 if (priv->dfs_chan_sw_workqueue) { 3142 flush_workqueue(priv->dfs_chan_sw_workqueue); 3143 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3144 priv->dfs_chan_sw_workqueue = NULL; 3145 } 3146 /* Clear the priv in adapter */ 3147 priv->netdev = NULL; 3148 3149 switch (priv->bss_mode) { 3150 case NL80211_IFTYPE_UNSPECIFIED: 3151 case NL80211_IFTYPE_STATION: 3152 case NL80211_IFTYPE_ADHOC: 3153 adapter->curr_iface_comb.sta_intf--; 3154 break; 3155 case NL80211_IFTYPE_AP: 3156 adapter->curr_iface_comb.uap_intf--; 3157 break; 3158 case NL80211_IFTYPE_P2P_CLIENT: 3159 case NL80211_IFTYPE_P2P_GO: 3160 adapter->curr_iface_comb.p2p_intf--; 3161 break; 3162 default: 3163 mwifiex_dbg(adapter, ERROR, 3164 "del_virtual_intf: type not supported\n"); 3165 break; 3166 } 3167 3168 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3169 3170 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3171 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3172 kfree(priv->hist_data); 3173 3174 return 0; 3175 } 3176 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3177 3178 static bool 3179 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3180 u8 max_byte_seq) 3181 { 3182 int j, k, valid_byte_cnt = 0; 3183 bool dont_care_byte = false; 3184 3185 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3186 for (k = 0; k < 8; k++) { 3187 if (pat->mask[j] & 1 << k) { 3188 memcpy(byte_seq + valid_byte_cnt, 3189 &pat->pattern[j * 8 + k], 1); 3190 valid_byte_cnt++; 3191 if (dont_care_byte) 3192 return false; 3193 } else { 3194 if (valid_byte_cnt) 3195 dont_care_byte = true; 3196 } 3197 3198 /* wildcard bytes record as the offset 3199 * before the valid byte 3200 */ 3201 if (!valid_byte_cnt && !dont_care_byte) 3202 pat->pkt_offset++; 3203 3204 if (valid_byte_cnt > max_byte_seq) 3205 return false; 3206 } 3207 } 3208 3209 byte_seq[max_byte_seq] = valid_byte_cnt; 3210 3211 return true; 3212 } 3213 3214 #ifdef CONFIG_PM 3215 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3216 struct mwifiex_mef_entry *mef_entry) 3217 { 3218 int i, filt_num = 0, num_ipv4 = 0; 3219 struct in_device *in_dev; 3220 struct in_ifaddr *ifa; 3221 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3222 struct mwifiex_adapter *adapter = priv->adapter; 3223 3224 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3225 mef_entry->action = MEF_ACTION_AUTO_ARP; 3226 3227 /* Enable ARP offload feature */ 3228 memset(ips, 0, sizeof(ips)); 3229 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3230 if (adapter->priv[i]->netdev) { 3231 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3232 if (!in_dev) 3233 continue; 3234 ifa = in_dev->ifa_list; 3235 if (!ifa || !ifa->ifa_local) 3236 continue; 3237 ips[i] = ifa->ifa_local; 3238 num_ipv4++; 3239 } 3240 } 3241 3242 for (i = 0; i < num_ipv4; i++) { 3243 if (!ips[i]) 3244 continue; 3245 mef_entry->filter[filt_num].repeat = 1; 3246 memcpy(mef_entry->filter[filt_num].byte_seq, 3247 (u8 *)&ips[i], sizeof(ips[i])); 3248 mef_entry->filter[filt_num]. 3249 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3250 sizeof(ips[i]); 3251 mef_entry->filter[filt_num].offset = 46; 3252 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3253 if (filt_num) { 3254 mef_entry->filter[filt_num].filt_action = 3255 TYPE_OR; 3256 } 3257 filt_num++; 3258 } 3259 3260 mef_entry->filter[filt_num].repeat = 1; 3261 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3262 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3263 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3264 mef_entry->filter[filt_num].offset = 20; 3265 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3266 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3267 } 3268 3269 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3270 struct mwifiex_ds_mef_cfg *mef_cfg, 3271 struct mwifiex_mef_entry *mef_entry, 3272 struct cfg80211_wowlan *wowlan) 3273 { 3274 int i, filt_num = 0, ret = 0; 3275 bool first_pat = true; 3276 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3277 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3278 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3279 3280 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3281 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3282 3283 for (i = 0; i < wowlan->n_patterns; i++) { 3284 memset(byte_seq, 0, sizeof(byte_seq)); 3285 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3286 byte_seq, 3287 MWIFIEX_MEF_MAX_BYTESEQ)) { 3288 mwifiex_dbg(priv->adapter, ERROR, 3289 "Pattern not supported\n"); 3290 return -EOPNOTSUPP; 3291 } 3292 3293 if (!wowlan->patterns[i].pkt_offset) { 3294 if (!(byte_seq[0] & 0x01) && 3295 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3296 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3297 continue; 3298 } else if (is_broadcast_ether_addr(byte_seq)) { 3299 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3300 continue; 3301 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3302 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3303 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3304 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3305 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3306 continue; 3307 } 3308 } 3309 mef_entry->filter[filt_num].repeat = 1; 3310 mef_entry->filter[filt_num].offset = 3311 wowlan->patterns[i].pkt_offset; 3312 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3313 sizeof(byte_seq)); 3314 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3315 3316 if (first_pat) { 3317 first_pat = false; 3318 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3319 } else { 3320 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3321 } 3322 3323 filt_num++; 3324 } 3325 3326 if (wowlan->magic_pkt) { 3327 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3328 mef_entry->filter[filt_num].repeat = 16; 3329 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3330 ETH_ALEN); 3331 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3332 ETH_ALEN; 3333 mef_entry->filter[filt_num].offset = 28; 3334 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3335 if (filt_num) 3336 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3337 3338 filt_num++; 3339 mef_entry->filter[filt_num].repeat = 16; 3340 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3341 ETH_ALEN); 3342 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3343 ETH_ALEN; 3344 mef_entry->filter[filt_num].offset = 56; 3345 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3346 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3347 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3348 } 3349 return ret; 3350 } 3351 3352 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3353 struct cfg80211_wowlan *wowlan) 3354 { 3355 int ret = 0, num_entries = 1; 3356 struct mwifiex_ds_mef_cfg mef_cfg; 3357 struct mwifiex_mef_entry *mef_entry; 3358 3359 if (wowlan->n_patterns || wowlan->magic_pkt) 3360 num_entries++; 3361 3362 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3363 if (!mef_entry) 3364 return -ENOMEM; 3365 3366 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3367 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3368 MWIFIEX_CRITERIA_UNICAST; 3369 mef_cfg.num_entries = num_entries; 3370 mef_cfg.mef_entry = mef_entry; 3371 3372 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3373 3374 if (wowlan->n_patterns || wowlan->magic_pkt) { 3375 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3376 &mef_entry[1], wowlan); 3377 if (ret) 3378 goto err; 3379 } 3380 3381 if (!mef_cfg.criteria) 3382 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3383 MWIFIEX_CRITERIA_UNICAST | 3384 MWIFIEX_CRITERIA_MULTICAST; 3385 3386 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3387 HostCmd_ACT_GEN_SET, 0, 3388 &mef_cfg, true); 3389 3390 err: 3391 kfree(mef_entry); 3392 return ret; 3393 } 3394 3395 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3396 struct cfg80211_wowlan *wowlan) 3397 { 3398 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3399 struct mwifiex_ds_hs_cfg hs_cfg; 3400 int i, ret = 0, retry_num = 10; 3401 struct mwifiex_private *priv; 3402 struct mwifiex_private *sta_priv = 3403 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3404 3405 sta_priv->scan_aborting = true; 3406 for (i = 0; i < adapter->priv_num; i++) { 3407 priv = adapter->priv[i]; 3408 mwifiex_abort_cac(priv); 3409 } 3410 3411 mwifiex_cancel_all_pending_cmd(adapter); 3412 3413 for (i = 0; i < adapter->priv_num; i++) { 3414 priv = adapter->priv[i]; 3415 if (priv && priv->netdev) 3416 netif_device_detach(priv->netdev); 3417 } 3418 3419 for (i = 0; i < retry_num; i++) { 3420 if (!mwifiex_wmm_lists_empty(adapter) || 3421 !mwifiex_bypass_txlist_empty(adapter) || 3422 !skb_queue_empty(&adapter->tx_data_q)) 3423 usleep_range(10000, 15000); 3424 else 3425 break; 3426 } 3427 3428 if (!wowlan) { 3429 mwifiex_dbg(adapter, ERROR, 3430 "None of the WOWLAN triggers enabled\n"); 3431 ret = 0; 3432 goto done; 3433 } 3434 3435 if (!sta_priv->media_connected && !wowlan->nd_config) { 3436 mwifiex_dbg(adapter, ERROR, 3437 "Can not configure WOWLAN in disconnected state\n"); 3438 ret = 0; 3439 goto done; 3440 } 3441 3442 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3443 if (ret) { 3444 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3445 goto done; 3446 } 3447 3448 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3449 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3450 3451 if (wowlan->nd_config) { 3452 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3453 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3454 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3455 wowlan->nd_config); 3456 } 3457 3458 if (wowlan->disconnect) { 3459 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3460 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3461 } 3462 3463 hs_cfg.is_invoke_hostcmd = false; 3464 hs_cfg.gpio = adapter->hs_cfg.gpio; 3465 hs_cfg.gap = adapter->hs_cfg.gap; 3466 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3467 MWIFIEX_SYNC_CMD, &hs_cfg); 3468 if (ret) 3469 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3470 3471 done: 3472 sta_priv->scan_aborting = false; 3473 return ret; 3474 } 3475 3476 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3477 { 3478 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3479 struct mwifiex_private *priv; 3480 struct mwifiex_ds_wakeup_reason wakeup_reason; 3481 struct cfg80211_wowlan_wakeup wakeup_report; 3482 int i; 3483 bool report_wakeup_reason = true; 3484 3485 for (i = 0; i < adapter->priv_num; i++) { 3486 priv = adapter->priv[i]; 3487 if (priv && priv->netdev) 3488 netif_device_attach(priv->netdev); 3489 } 3490 3491 if (!wiphy->wowlan_config) 3492 goto done; 3493 3494 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3495 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3496 &wakeup_reason); 3497 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3498 3499 wakeup_report.pattern_idx = -1; 3500 3501 switch (wakeup_reason.hs_wakeup_reason) { 3502 case NO_HSWAKEUP_REASON: 3503 break; 3504 case BCAST_DATA_MATCHED: 3505 break; 3506 case MCAST_DATA_MATCHED: 3507 break; 3508 case UCAST_DATA_MATCHED: 3509 break; 3510 case MASKTABLE_EVENT_MATCHED: 3511 break; 3512 case NON_MASKABLE_EVENT_MATCHED: 3513 if (wiphy->wowlan_config->disconnect) 3514 wakeup_report.disconnect = true; 3515 if (wiphy->wowlan_config->nd_config) 3516 wakeup_report.net_detect = adapter->nd_info; 3517 break; 3518 case NON_MASKABLE_CONDITION_MATCHED: 3519 break; 3520 case MAGIC_PATTERN_MATCHED: 3521 if (wiphy->wowlan_config->magic_pkt) 3522 wakeup_report.magic_pkt = true; 3523 if (wiphy->wowlan_config->n_patterns) 3524 wakeup_report.pattern_idx = 1; 3525 break; 3526 case GTK_REKEY_FAILURE: 3527 if (wiphy->wowlan_config->gtk_rekey_failure) 3528 wakeup_report.gtk_rekey_failure = true; 3529 break; 3530 default: 3531 report_wakeup_reason = false; 3532 break; 3533 } 3534 3535 if (report_wakeup_reason) 3536 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3537 GFP_KERNEL); 3538 3539 done: 3540 if (adapter->nd_info) { 3541 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3542 kfree(adapter->nd_info->matches[i]); 3543 kfree(adapter->nd_info); 3544 adapter->nd_info = NULL; 3545 } 3546 3547 return 0; 3548 } 3549 3550 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3551 bool enabled) 3552 { 3553 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3554 3555 device_set_wakeup_enable(adapter->dev, enabled); 3556 } 3557 3558 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3559 struct cfg80211_gtk_rekey_data *data) 3560 { 3561 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3562 3563 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 3564 return -EOPNOTSUPP; 3565 3566 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3567 HostCmd_ACT_GEN_SET, 0, data, true); 3568 } 3569 3570 #endif 3571 3572 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3573 { 3574 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3575 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3576 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3577 3578 if ((byte_seq[0] & 0x01) && 3579 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3580 return PACKET_TYPE_UNICAST; 3581 else if (!memcmp(byte_seq, bc_mac, 4)) 3582 return PACKET_TYPE_BROADCAST; 3583 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3584 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3585 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3586 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3587 return PACKET_TYPE_MULTICAST; 3588 3589 return 0; 3590 } 3591 3592 static int 3593 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3594 struct cfg80211_coalesce_rules *crule, 3595 struct mwifiex_coalesce_rule *mrule) 3596 { 3597 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3598 struct filt_field_param *param; 3599 int i; 3600 3601 mrule->max_coalescing_delay = crule->delay; 3602 3603 param = mrule->params; 3604 3605 for (i = 0; i < crule->n_patterns; i++) { 3606 memset(byte_seq, 0, sizeof(byte_seq)); 3607 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3608 byte_seq, 3609 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3610 mwifiex_dbg(priv->adapter, ERROR, 3611 "Pattern not supported\n"); 3612 return -EOPNOTSUPP; 3613 } 3614 3615 if (!crule->patterns[i].pkt_offset) { 3616 u8 pkt_type; 3617 3618 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3619 if (pkt_type && mrule->pkt_type) { 3620 mwifiex_dbg(priv->adapter, ERROR, 3621 "Multiple packet types not allowed\n"); 3622 return -EOPNOTSUPP; 3623 } else if (pkt_type) { 3624 mrule->pkt_type = pkt_type; 3625 continue; 3626 } 3627 } 3628 3629 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3630 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3631 else 3632 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3633 3634 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3635 memcpy(param->operand_byte_stream, byte_seq, 3636 param->operand_len); 3637 param->offset = crule->patterns[i].pkt_offset; 3638 param++; 3639 3640 mrule->num_of_fields++; 3641 } 3642 3643 if (!mrule->pkt_type) { 3644 mwifiex_dbg(priv->adapter, ERROR, 3645 "Packet type can not be determined\n"); 3646 return -EOPNOTSUPP; 3647 } 3648 3649 return 0; 3650 } 3651 3652 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3653 struct cfg80211_coalesce *coalesce) 3654 { 3655 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3656 int i, ret; 3657 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3658 struct mwifiex_private *priv = 3659 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3660 3661 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3662 if (!coalesce) { 3663 mwifiex_dbg(adapter, WARN, 3664 "Disable coalesce and reset all previous rules\n"); 3665 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3666 HostCmd_ACT_GEN_SET, 0, 3667 &coalesce_cfg, true); 3668 } 3669 3670 coalesce_cfg.num_of_rules = coalesce->n_rules; 3671 for (i = 0; i < coalesce->n_rules; i++) { 3672 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3673 &coalesce_cfg.rule[i]); 3674 if (ret) { 3675 mwifiex_dbg(adapter, ERROR, 3676 "Recheck the patterns provided for rule %d\n", 3677 i + 1); 3678 return ret; 3679 } 3680 } 3681 3682 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3683 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3684 } 3685 3686 /* cfg80211 ops handler for tdls_mgmt. 3687 * Function prepares TDLS action frame packets and forwards them to FW 3688 */ 3689 static int 3690 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3691 const u8 *peer, u8 action_code, u8 dialog_token, 3692 u16 status_code, u32 peer_capability, 3693 bool initiator, const u8 *extra_ies, 3694 size_t extra_ies_len) 3695 { 3696 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3697 int ret; 3698 3699 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3700 return -ENOTSUPP; 3701 3702 /* make sure we are in station mode and connected */ 3703 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3704 return -ENOTSUPP; 3705 3706 switch (action_code) { 3707 case WLAN_TDLS_SETUP_REQUEST: 3708 mwifiex_dbg(priv->adapter, MSG, 3709 "Send TDLS Setup Request to %pM status_code=%d\n", 3710 peer, status_code); 3711 mwifiex_add_auto_tdls_peer(priv, peer); 3712 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3713 dialog_token, status_code, 3714 extra_ies, extra_ies_len); 3715 break; 3716 case WLAN_TDLS_SETUP_RESPONSE: 3717 mwifiex_add_auto_tdls_peer(priv, peer); 3718 mwifiex_dbg(priv->adapter, MSG, 3719 "Send TDLS Setup Response to %pM status_code=%d\n", 3720 peer, status_code); 3721 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3722 dialog_token, status_code, 3723 extra_ies, extra_ies_len); 3724 break; 3725 case WLAN_TDLS_SETUP_CONFIRM: 3726 mwifiex_dbg(priv->adapter, MSG, 3727 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3728 status_code); 3729 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3730 dialog_token, status_code, 3731 extra_ies, extra_ies_len); 3732 break; 3733 case WLAN_TDLS_TEARDOWN: 3734 mwifiex_dbg(priv->adapter, MSG, 3735 "Send TDLS Tear down to %pM\n", peer); 3736 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3737 dialog_token, status_code, 3738 extra_ies, extra_ies_len); 3739 break; 3740 case WLAN_TDLS_DISCOVERY_REQUEST: 3741 mwifiex_dbg(priv->adapter, MSG, 3742 "Send TDLS Discovery Request to %pM\n", peer); 3743 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3744 dialog_token, status_code, 3745 extra_ies, extra_ies_len); 3746 break; 3747 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3748 mwifiex_dbg(priv->adapter, MSG, 3749 "Send TDLS Discovery Response to %pM\n", peer); 3750 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3751 dialog_token, status_code, 3752 extra_ies, extra_ies_len); 3753 break; 3754 default: 3755 mwifiex_dbg(priv->adapter, ERROR, 3756 "Unknown TDLS mgmt/action frame %pM\n", peer); 3757 ret = -EINVAL; 3758 break; 3759 } 3760 3761 return ret; 3762 } 3763 3764 static int 3765 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3766 const u8 *peer, enum nl80211_tdls_operation action) 3767 { 3768 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3769 3770 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3771 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3772 return -ENOTSUPP; 3773 3774 /* make sure we are in station mode and connected */ 3775 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3776 return -ENOTSUPP; 3777 3778 mwifiex_dbg(priv->adapter, MSG, 3779 "TDLS peer=%pM, oper=%d\n", peer, action); 3780 3781 switch (action) { 3782 case NL80211_TDLS_ENABLE_LINK: 3783 action = MWIFIEX_TDLS_ENABLE_LINK; 3784 break; 3785 case NL80211_TDLS_DISABLE_LINK: 3786 action = MWIFIEX_TDLS_DISABLE_LINK; 3787 break; 3788 case NL80211_TDLS_TEARDOWN: 3789 /* shouldn't happen!*/ 3790 mwifiex_dbg(priv->adapter, ERROR, 3791 "tdls_oper: teardown from driver not supported\n"); 3792 return -EINVAL; 3793 case NL80211_TDLS_SETUP: 3794 /* shouldn't happen!*/ 3795 mwifiex_dbg(priv->adapter, ERROR, 3796 "tdls_oper: setup from driver not supported\n"); 3797 return -EINVAL; 3798 case NL80211_TDLS_DISCOVERY_REQ: 3799 /* shouldn't happen!*/ 3800 mwifiex_dbg(priv->adapter, ERROR, 3801 "tdls_oper: discovery from driver not supported\n"); 3802 return -EINVAL; 3803 default: 3804 mwifiex_dbg(priv->adapter, ERROR, 3805 "tdls_oper: operation not supported\n"); 3806 return -ENOTSUPP; 3807 } 3808 3809 return mwifiex_tdls_oper(priv, peer, action); 3810 } 3811 3812 static int 3813 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3814 const u8 *addr, u8 oper_class, 3815 struct cfg80211_chan_def *chandef) 3816 { 3817 struct mwifiex_sta_node *sta_ptr; 3818 unsigned long flags; 3819 u16 chan; 3820 u8 second_chan_offset, band; 3821 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3822 3823 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3824 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3825 if (!sta_ptr) { 3826 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3827 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3828 __func__, addr); 3829 return -ENOENT; 3830 } 3831 3832 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3833 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3834 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3835 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3836 return -ENOENT; 3837 } 3838 3839 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3840 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3841 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3842 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3843 return -EALREADY; 3844 } 3845 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3846 3847 chan = chandef->chan->hw_value; 3848 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3849 band = chandef->chan->band; 3850 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3851 3852 return 0; 3853 } 3854 3855 static void 3856 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3857 struct net_device *dev, 3858 const u8 *addr) 3859 { 3860 struct mwifiex_sta_node *sta_ptr; 3861 unsigned long flags; 3862 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3863 3864 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3865 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3866 if (!sta_ptr) { 3867 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3868 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3869 __func__, addr); 3870 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3871 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3872 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3873 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3874 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3875 addr); 3876 } else { 3877 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3878 mwifiex_stop_tdls_cs(priv, addr); 3879 } 3880 } 3881 3882 static int 3883 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3884 const u8 *mac, struct station_parameters *params) 3885 { 3886 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3887 3888 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3889 return -ENOTSUPP; 3890 3891 /* make sure we are in station mode and connected */ 3892 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3893 return -ENOTSUPP; 3894 3895 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3896 } 3897 3898 static int 3899 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3900 struct cfg80211_csa_settings *params) 3901 { 3902 struct ieee_types_header *chsw_ie; 3903 struct ieee80211_channel_sw_ie *channel_sw; 3904 int chsw_msec; 3905 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3906 3907 if (priv->adapter->scan_processing) { 3908 mwifiex_dbg(priv->adapter, ERROR, 3909 "radar detection: scan in process...\n"); 3910 return -EBUSY; 3911 } 3912 3913 if (priv->wdev.cac_started) 3914 return -EBUSY; 3915 3916 if (cfg80211_chandef_identical(¶ms->chandef, 3917 &priv->dfs_chandef)) 3918 return -EINVAL; 3919 3920 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3921 params->beacon_csa.tail, 3922 params->beacon_csa.tail_len); 3923 if (!chsw_ie) { 3924 mwifiex_dbg(priv->adapter, ERROR, 3925 "Could not parse channel switch announcement IE\n"); 3926 return -EINVAL; 3927 } 3928 3929 channel_sw = (void *)(chsw_ie + 1); 3930 if (channel_sw->mode) { 3931 if (netif_carrier_ok(priv->netdev)) 3932 netif_carrier_off(priv->netdev); 3933 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3934 } 3935 3936 if (mwifiex_del_mgmt_ies(priv)) 3937 mwifiex_dbg(priv->adapter, ERROR, 3938 "Failed to delete mgmt IEs!\n"); 3939 3940 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3941 mwifiex_dbg(priv->adapter, ERROR, 3942 "%s: setting mgmt ies failed\n", __func__); 3943 return -EFAULT; 3944 } 3945 3946 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3947 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3948 sizeof(priv->beacon_after)); 3949 3950 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3951 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3952 msecs_to_jiffies(chsw_msec)); 3953 return 0; 3954 } 3955 3956 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3957 struct wireless_dev *wdev, 3958 struct cfg80211_chan_def *chandef) 3959 { 3960 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3961 struct mwifiex_bssdescriptor *curr_bss; 3962 struct ieee80211_channel *chan; 3963 enum nl80211_channel_type chan_type; 3964 enum nl80211_band band; 3965 int freq; 3966 int ret = -ENODATA; 3967 3968 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 3969 cfg80211_chandef_valid(&priv->bss_chandef)) { 3970 *chandef = priv->bss_chandef; 3971 ret = 0; 3972 } else if (priv->media_connected) { 3973 curr_bss = &priv->curr_bss_params.bss_descriptor; 3974 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 3975 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 3976 chan = ieee80211_get_channel(wiphy, freq); 3977 3978 if (priv->ht_param_present) { 3979 chan_type = mwifiex_get_chan_type(priv); 3980 cfg80211_chandef_create(chandef, chan, chan_type); 3981 } else { 3982 cfg80211_chandef_create(chandef, chan, 3983 NL80211_CHAN_NO_HT); 3984 } 3985 ret = 0; 3986 } 3987 3988 return ret; 3989 } 3990 3991 #ifdef CONFIG_NL80211_TESTMODE 3992 3993 enum mwifiex_tm_attr { 3994 __MWIFIEX_TM_ATTR_INVALID = 0, 3995 MWIFIEX_TM_ATTR_CMD = 1, 3996 MWIFIEX_TM_ATTR_DATA = 2, 3997 3998 /* keep last */ 3999 __MWIFIEX_TM_ATTR_AFTER_LAST, 4000 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 4001 }; 4002 4003 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 4004 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 4005 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 4006 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 4007 }; 4008 4009 enum mwifiex_tm_command { 4010 MWIFIEX_TM_CMD_HOSTCMD = 0, 4011 }; 4012 4013 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 4014 void *data, int len) 4015 { 4016 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4017 struct mwifiex_ds_misc_cmd *hostcmd; 4018 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 4019 struct sk_buff *skb; 4020 int err; 4021 4022 if (!priv) 4023 return -EINVAL; 4024 4025 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy, 4026 NULL); 4027 if (err) 4028 return err; 4029 4030 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4031 return -EINVAL; 4032 4033 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4034 case MWIFIEX_TM_CMD_HOSTCMD: 4035 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4036 return -EINVAL; 4037 4038 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); 4039 if (!hostcmd) 4040 return -ENOMEM; 4041 4042 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4043 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4044 hostcmd->len); 4045 4046 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4047 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4048 return -EFAULT; 4049 } 4050 4051 /* process hostcmd response*/ 4052 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4053 if (!skb) 4054 return -ENOMEM; 4055 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4056 hostcmd->len, hostcmd->cmd); 4057 if (err) { 4058 kfree_skb(skb); 4059 return -EMSGSIZE; 4060 } 4061 4062 err = cfg80211_testmode_reply(skb); 4063 kfree(hostcmd); 4064 return err; 4065 default: 4066 return -EOPNOTSUPP; 4067 } 4068 } 4069 #endif 4070 4071 static int 4072 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4073 struct net_device *dev, 4074 struct cfg80211_chan_def *chandef, 4075 u32 cac_time_ms) 4076 { 4077 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4078 struct mwifiex_radar_params radar_params; 4079 4080 if (priv->adapter->scan_processing) { 4081 mwifiex_dbg(priv->adapter, ERROR, 4082 "radar detection: scan already in process...\n"); 4083 return -EBUSY; 4084 } 4085 4086 if (!mwifiex_is_11h_active(priv)) { 4087 mwifiex_dbg(priv->adapter, INFO, 4088 "Enable 11h extensions in FW\n"); 4089 if (mwifiex_11h_activate(priv, true)) { 4090 mwifiex_dbg(priv->adapter, ERROR, 4091 "Failed to activate 11h extensions!!"); 4092 return -1; 4093 } 4094 priv->state_11h.is_11h_active = true; 4095 } 4096 4097 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4098 radar_params.chandef = chandef; 4099 radar_params.cac_time_ms = cac_time_ms; 4100 4101 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4102 4103 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4104 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4105 return -1; 4106 4107 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4108 msecs_to_jiffies(cac_time_ms)); 4109 return 0; 4110 } 4111 4112 static int 4113 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 4114 const u8 *mac, 4115 struct station_parameters *params) 4116 { 4117 int ret; 4118 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4119 4120 /* we support change_station handler only for TDLS peers*/ 4121 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4122 return -ENOTSUPP; 4123 4124 /* make sure we are in station mode and connected */ 4125 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4126 return -ENOTSUPP; 4127 4128 priv->sta_params = params; 4129 4130 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4131 priv->sta_params = NULL; 4132 4133 return ret; 4134 } 4135 4136 /* station cfg80211 operations */ 4137 static struct cfg80211_ops mwifiex_cfg80211_ops = { 4138 .add_virtual_intf = mwifiex_add_virtual_intf, 4139 .del_virtual_intf = mwifiex_del_virtual_intf, 4140 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4141 .scan = mwifiex_cfg80211_scan, 4142 .connect = mwifiex_cfg80211_connect, 4143 .disconnect = mwifiex_cfg80211_disconnect, 4144 .get_station = mwifiex_cfg80211_get_station, 4145 .dump_station = mwifiex_cfg80211_dump_station, 4146 .dump_survey = mwifiex_cfg80211_dump_survey, 4147 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4148 .join_ibss = mwifiex_cfg80211_join_ibss, 4149 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4150 .add_key = mwifiex_cfg80211_add_key, 4151 .del_key = mwifiex_cfg80211_del_key, 4152 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4153 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4154 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 4155 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4156 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4157 .set_default_key = mwifiex_cfg80211_set_default_key, 4158 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4159 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4160 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4161 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4162 .start_ap = mwifiex_cfg80211_start_ap, 4163 .stop_ap = mwifiex_cfg80211_stop_ap, 4164 .change_beacon = mwifiex_cfg80211_change_beacon, 4165 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4166 .set_antenna = mwifiex_cfg80211_set_antenna, 4167 .get_antenna = mwifiex_cfg80211_get_antenna, 4168 .del_station = mwifiex_cfg80211_del_station, 4169 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4170 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4171 #ifdef CONFIG_PM 4172 .suspend = mwifiex_cfg80211_suspend, 4173 .resume = mwifiex_cfg80211_resume, 4174 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4175 .set_rekey_data = mwifiex_set_rekey_data, 4176 #endif 4177 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4178 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4179 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4180 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4181 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4182 .add_station = mwifiex_cfg80211_add_station, 4183 .change_station = mwifiex_cfg80211_change_station, 4184 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4185 .get_channel = mwifiex_cfg80211_get_channel, 4186 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4187 .channel_switch = mwifiex_cfg80211_channel_switch, 4188 }; 4189 4190 #ifdef CONFIG_PM 4191 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4192 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4193 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4194 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4195 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4196 .pattern_min_len = 1, 4197 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4198 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4199 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4200 }; 4201 4202 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = { 4203 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4204 WIPHY_WOWLAN_NET_DETECT, 4205 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4206 .pattern_min_len = 1, 4207 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4208 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4209 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4210 }; 4211 #endif 4212 4213 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4214 { 4215 if (!alpha2 || strlen(alpha2) != 2) 4216 return false; 4217 4218 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4219 return true; 4220 4221 return false; 4222 } 4223 4224 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4225 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4226 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4227 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4228 .pattern_min_len = 1, 4229 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4230 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4231 }; 4232 4233 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4234 { 4235 u32 n_channels_bg, n_channels_a = 0; 4236 4237 n_channels_bg = mwifiex_band_2ghz.n_channels; 4238 4239 if (adapter->config_bands & BAND_A) 4240 n_channels_a = mwifiex_band_5ghz.n_channels; 4241 4242 /* allocate twice the number total channels, since the driver issues an 4243 * additional active scan request for hidden SSIDs on passive channels. 4244 */ 4245 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); 4246 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats), 4247 adapter->num_in_chan_stats)); 4248 4249 if (!adapter->chan_stats) 4250 return -ENOMEM; 4251 4252 return 0; 4253 } 4254 4255 /* 4256 * This function registers the device with CFG802.11 subsystem. 4257 * 4258 * The function creates the wireless device/wiphy, populates it with 4259 * default parameters and handler function pointers, and finally 4260 * registers the device. 4261 */ 4262 4263 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4264 { 4265 int ret; 4266 void *wdev_priv; 4267 struct wiphy *wiphy; 4268 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4269 u8 *country_code; 4270 u32 thr, retry; 4271 4272 /* create a new wiphy for use with cfg80211 */ 4273 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4274 sizeof(struct mwifiex_adapter *)); 4275 if (!wiphy) { 4276 mwifiex_dbg(adapter, ERROR, 4277 "%s: creating new wiphy\n", __func__); 4278 return -ENOMEM; 4279 } 4280 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4281 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4282 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4283 wiphy->max_remain_on_channel_duration = 5000; 4284 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4285 BIT(NL80211_IFTYPE_ADHOC) | 4286 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4287 BIT(NL80211_IFTYPE_P2P_GO) | 4288 BIT(NL80211_IFTYPE_AP); 4289 4290 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4291 if (adapter->config_bands & BAND_A) 4292 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4293 else 4294 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4295 4296 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4297 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4298 else if (adapter->is_hw_11ac_capable) 4299 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4300 else 4301 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4302 wiphy->n_iface_combinations = 1; 4303 4304 /* Initialize cipher suits */ 4305 wiphy->cipher_suites = mwifiex_cipher_suites; 4306 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4307 4308 if (adapter->regd) { 4309 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4310 REGULATORY_DISABLE_BEACON_HINTS | 4311 REGULATORY_COUNTRY_IE_IGNORE; 4312 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4313 } 4314 4315 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4316 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4317 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4318 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4319 WIPHY_FLAG_AP_UAPSD | 4320 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4321 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4322 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4323 4324 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4325 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4326 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4327 4328 #ifdef CONFIG_PM 4329 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 4330 wiphy->wowlan = &mwifiex_wowlan_support; 4331 else 4332 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk; 4333 #endif 4334 4335 wiphy->coalesce = &mwifiex_coalesce_support; 4336 4337 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4338 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4339 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4340 4341 wiphy->max_sched_scan_reqs = 1; 4342 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4343 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4344 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4345 4346 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4347 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4348 4349 wiphy->features |= NL80211_FEATURE_HT_IBSS | 4350 NL80211_FEATURE_INACTIVITY_TIMER | 4351 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4352 NL80211_FEATURE_NEED_OBSS_SCAN; 4353 4354 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) 4355 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4356 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4357 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4358 4359 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4360 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4361 4362 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4363 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4364 4365 /* Reserve space for mwifiex specific private data for BSS */ 4366 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4367 4368 wiphy->reg_notifier = mwifiex_reg_notifier; 4369 4370 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4371 wdev_priv = wiphy_priv(wiphy); 4372 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4373 4374 set_wiphy_dev(wiphy, priv->adapter->dev); 4375 4376 ret = wiphy_register(wiphy); 4377 if (ret < 0) { 4378 mwifiex_dbg(adapter, ERROR, 4379 "%s: wiphy_register failed: %d\n", __func__, ret); 4380 wiphy_free(wiphy); 4381 return ret; 4382 } 4383 4384 if (!adapter->regd) { 4385 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4386 mwifiex_dbg(adapter, INFO, 4387 "driver hint alpha2: %2.2s\n", reg_alpha2); 4388 regulatory_hint(wiphy, reg_alpha2); 4389 } else { 4390 if (adapter->region_code == 0x00) { 4391 mwifiex_dbg(adapter, WARN, 4392 "Ignore world regulatory domain\n"); 4393 } else { 4394 wiphy->regulatory_flags |= 4395 REGULATORY_DISABLE_BEACON_HINTS | 4396 REGULATORY_COUNTRY_IE_IGNORE; 4397 country_code = 4398 mwifiex_11d_code_2_region( 4399 adapter->region_code); 4400 if (country_code && 4401 regulatory_hint(wiphy, country_code)) 4402 mwifiex_dbg(priv->adapter, ERROR, 4403 "regulatory_hint() failed\n"); 4404 } 4405 } 4406 } 4407 4408 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4409 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4410 wiphy->frag_threshold = thr; 4411 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4412 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4413 wiphy->rts_threshold = thr; 4414 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4415 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4416 wiphy->retry_short = (u8) retry; 4417 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4418 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4419 wiphy->retry_long = (u8) retry; 4420 4421 adapter->wiphy = wiphy; 4422 return ret; 4423 } 4424