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); 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 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ 1162 return 0; 1163 default: 1164 mwifiex_dbg(priv->adapter, ERROR, 1165 "%s: changing to %d not supported\n", 1166 dev->name, type); 1167 return -EOPNOTSUPP; 1168 } 1169 break; 1170 case NL80211_IFTYPE_STATION: 1171 switch (type) { 1172 case NL80211_IFTYPE_ADHOC: 1173 priv->bss_mode = type; 1174 priv->sec_info.authentication_mode = 1175 NL80211_AUTHTYPE_OPEN_SYSTEM; 1176 dev->ieee80211_ptr->iftype = type; 1177 mwifiex_deauthenticate(priv, NULL); 1178 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1179 HostCmd_ACT_GEN_SET, 0, NULL, 1180 true); 1181 case NL80211_IFTYPE_P2P_CLIENT: 1182 case NL80211_IFTYPE_P2P_GO: 1183 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1184 type, params); 1185 case NL80211_IFTYPE_AP: 1186 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1187 params); 1188 case NL80211_IFTYPE_UNSPECIFIED: 1189 mwifiex_dbg(priv->adapter, INFO, 1190 "%s: kept type as STA\n", dev->name); 1191 case NL80211_IFTYPE_STATION: /* This shouldn't happen */ 1192 return 0; 1193 default: 1194 mwifiex_dbg(priv->adapter, ERROR, 1195 "%s: changing to %d not supported\n", 1196 dev->name, type); 1197 return -EOPNOTSUPP; 1198 } 1199 break; 1200 case NL80211_IFTYPE_AP: 1201 switch (type) { 1202 case NL80211_IFTYPE_ADHOC: 1203 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1204 type, params); 1205 break; 1206 case NL80211_IFTYPE_P2P_CLIENT: 1207 case NL80211_IFTYPE_P2P_GO: 1208 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1209 type, params); 1210 case NL80211_IFTYPE_UNSPECIFIED: 1211 mwifiex_dbg(priv->adapter, INFO, 1212 "%s: kept type as AP\n", dev->name); 1213 case NL80211_IFTYPE_AP: /* This shouldn't happen */ 1214 return 0; 1215 default: 1216 mwifiex_dbg(priv->adapter, ERROR, 1217 "%s: changing to %d not supported\n", 1218 dev->name, type); 1219 return -EOPNOTSUPP; 1220 } 1221 break; 1222 case NL80211_IFTYPE_P2P_CLIENT: 1223 case NL80211_IFTYPE_P2P_GO: 1224 switch (type) { 1225 case NL80211_IFTYPE_STATION: 1226 if (mwifiex_cfg80211_deinit_p2p(priv)) 1227 return -EFAULT; 1228 priv->adapter->curr_iface_comb.p2p_intf--; 1229 priv->adapter->curr_iface_comb.sta_intf++; 1230 dev->ieee80211_ptr->iftype = type; 1231 if (mwifiex_deinit_priv_params(priv)) 1232 return -1; 1233 if (mwifiex_init_new_priv_params(priv, dev, type)) 1234 return -1; 1235 if (mwifiex_sta_init_cmd(priv, false, false)) 1236 return -1; 1237 break; 1238 case NL80211_IFTYPE_ADHOC: 1239 if (mwifiex_cfg80211_deinit_p2p(priv)) 1240 return -EFAULT; 1241 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1242 type, params); 1243 break; 1244 case NL80211_IFTYPE_AP: 1245 if (mwifiex_cfg80211_deinit_p2p(priv)) 1246 return -EFAULT; 1247 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1248 params); 1249 case NL80211_IFTYPE_UNSPECIFIED: 1250 mwifiex_dbg(priv->adapter, INFO, 1251 "%s: kept type as P2P\n", dev->name); 1252 case NL80211_IFTYPE_P2P_CLIENT: 1253 case NL80211_IFTYPE_P2P_GO: 1254 return 0; 1255 default: 1256 mwifiex_dbg(priv->adapter, ERROR, 1257 "%s: changing to %d not supported\n", 1258 dev->name, type); 1259 return -EOPNOTSUPP; 1260 } 1261 break; 1262 default: 1263 mwifiex_dbg(priv->adapter, ERROR, 1264 "%s: unknown iftype: %d\n", 1265 dev->name, dev->ieee80211_ptr->iftype); 1266 return -EOPNOTSUPP; 1267 } 1268 1269 1270 return 0; 1271 } 1272 1273 static void 1274 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, 1275 struct rate_info *rate) 1276 { 1277 struct mwifiex_adapter *adapter = priv->adapter; 1278 1279 if (adapter->is_hw_11ac_capable) { 1280 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1281 if (tx_htinfo & BIT(0)) { 1282 /* HT */ 1283 rate->mcs = priv->tx_rate; 1284 rate->flags |= RATE_INFO_FLAGS_MCS; 1285 } 1286 if (tx_htinfo & BIT(1)) { 1287 /* VHT */ 1288 rate->mcs = priv->tx_rate & 0x0F; 1289 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1290 } 1291 1292 if (tx_htinfo & (BIT(1) | BIT(0))) { 1293 /* HT or VHT */ 1294 switch (tx_htinfo & (BIT(3) | BIT(2))) { 1295 case 0: 1296 rate->bw = RATE_INFO_BW_20; 1297 break; 1298 case (BIT(2)): 1299 rate->bw = RATE_INFO_BW_40; 1300 break; 1301 case (BIT(3)): 1302 rate->bw = RATE_INFO_BW_80; 1303 break; 1304 case (BIT(3) | BIT(2)): 1305 rate->bw = RATE_INFO_BW_160; 1306 break; 1307 } 1308 1309 if (tx_htinfo & BIT(4)) 1310 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1311 1312 if ((priv->tx_rate >> 4) == 1) 1313 rate->nss = 2; 1314 else 1315 rate->nss = 1; 1316 } 1317 } else { 1318 /* 1319 * Bit 0 in tx_htinfo indicates that current Tx rate 1320 * is 11n rate. Valid MCS index values for us are 0 to 15. 1321 */ 1322 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { 1323 rate->mcs = priv->tx_rate; 1324 rate->flags |= RATE_INFO_FLAGS_MCS; 1325 rate->bw = RATE_INFO_BW_20; 1326 if (tx_htinfo & BIT(1)) 1327 rate->bw = RATE_INFO_BW_40; 1328 if (tx_htinfo & BIT(2)) 1329 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1330 } 1331 } 1332 } 1333 1334 /* 1335 * This function dumps the station information on a buffer. 1336 * 1337 * The following information are shown - 1338 * - Total bytes transmitted 1339 * - Total bytes received 1340 * - Total packets transmitted 1341 * - Total packets received 1342 * - Signal quality level 1343 * - Transmission rate 1344 */ 1345 static int 1346 mwifiex_dump_station_info(struct mwifiex_private *priv, 1347 struct mwifiex_sta_node *node, 1348 struct station_info *sinfo) 1349 { 1350 u32 rate; 1351 1352 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | 1353 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | 1354 BIT(NL80211_STA_INFO_TX_BITRATE) | 1355 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); 1356 1357 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1358 if (!node) 1359 return -ENOENT; 1360 1361 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | 1362 BIT(NL80211_STA_INFO_TX_FAILED); 1363 sinfo->inactive_time = 1364 jiffies_to_msecs(jiffies - node->stats.last_rx); 1365 1366 sinfo->signal = node->stats.rssi; 1367 sinfo->signal_avg = node->stats.rssi; 1368 sinfo->rx_bytes = node->stats.rx_bytes; 1369 sinfo->tx_bytes = node->stats.tx_bytes; 1370 sinfo->rx_packets = node->stats.rx_packets; 1371 sinfo->tx_packets = node->stats.tx_packets; 1372 sinfo->tx_failed = node->stats.tx_failed; 1373 1374 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, 1375 &sinfo->txrate); 1376 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1377 1378 return 0; 1379 } 1380 1381 /* Get signal information from the firmware */ 1382 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1383 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1384 mwifiex_dbg(priv->adapter, ERROR, 1385 "failed to get signal information\n"); 1386 return -EFAULT; 1387 } 1388 1389 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1390 mwifiex_dbg(priv->adapter, ERROR, 1391 "getting data rate error\n"); 1392 return -EFAULT; 1393 } 1394 1395 /* Get DTIM period information from firmware */ 1396 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1397 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1398 &priv->dtim_period, true); 1399 1400 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); 1401 1402 sinfo->signal_avg = priv->bcn_rssi_avg; 1403 sinfo->rx_bytes = priv->stats.rx_bytes; 1404 sinfo->tx_bytes = priv->stats.tx_bytes; 1405 sinfo->rx_packets = priv->stats.rx_packets; 1406 sinfo->tx_packets = priv->stats.tx_packets; 1407 sinfo->signal = priv->bcn_rssi_avg; 1408 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1409 sinfo->txrate.legacy = rate * 5; 1410 1411 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1412 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); 1413 sinfo->bss_param.flags = 0; 1414 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1415 WLAN_CAPABILITY_SHORT_PREAMBLE) 1416 sinfo->bss_param.flags |= 1417 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1418 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1419 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1420 sinfo->bss_param.flags |= 1421 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1422 sinfo->bss_param.dtim_period = priv->dtim_period; 1423 sinfo->bss_param.beacon_interval = 1424 priv->curr_bss_params.bss_descriptor.beacon_period; 1425 } 1426 1427 return 0; 1428 } 1429 1430 /* 1431 * CFG802.11 operation handler to get station information. 1432 * 1433 * This function only works in connected mode, and dumps the 1434 * requested station information, if available. 1435 */ 1436 static int 1437 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1438 const u8 *mac, struct station_info *sinfo) 1439 { 1440 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1441 1442 if (!priv->media_connected) 1443 return -ENOENT; 1444 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1445 return -ENOENT; 1446 1447 return mwifiex_dump_station_info(priv, NULL, sinfo); 1448 } 1449 1450 /* 1451 * CFG802.11 operation handler to dump station information. 1452 */ 1453 static int 1454 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1455 int idx, u8 *mac, struct station_info *sinfo) 1456 { 1457 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1458 static struct mwifiex_sta_node *node; 1459 1460 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1461 priv->media_connected && idx == 0) { 1462 ether_addr_copy(mac, priv->cfg_bssid); 1463 return mwifiex_dump_station_info(priv, NULL, sinfo); 1464 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1465 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1466 HostCmd_ACT_GEN_GET, 0, NULL, true); 1467 1468 if (node && (&node->list == &priv->sta_list)) { 1469 node = NULL; 1470 return -ENOENT; 1471 } 1472 1473 node = list_prepare_entry(node, &priv->sta_list, list); 1474 list_for_each_entry_continue(node, &priv->sta_list, list) { 1475 ether_addr_copy(mac, node->mac_addr); 1476 return mwifiex_dump_station_info(priv, node, sinfo); 1477 } 1478 } 1479 1480 return -ENOENT; 1481 } 1482 1483 static int 1484 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1485 int idx, struct survey_info *survey) 1486 { 1487 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1488 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1489 enum nl80211_band band; 1490 1491 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1492 1493 memset(survey, 0, sizeof(struct survey_info)); 1494 1495 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1496 priv->media_connected && idx == 0) { 1497 u8 curr_bss_band = priv->curr_bss_params.band; 1498 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1499 1500 band = mwifiex_band_to_radio_type(curr_bss_band); 1501 survey->channel = ieee80211_get_channel(wiphy, 1502 ieee80211_channel_to_frequency(chan, band)); 1503 1504 if (priv->bcn_nf_last) { 1505 survey->filled = SURVEY_INFO_NOISE_DBM; 1506 survey->noise = priv->bcn_nf_last; 1507 } 1508 return 0; 1509 } 1510 1511 if (idx >= priv->adapter->num_in_chan_stats) 1512 return -ENOENT; 1513 1514 if (!pchan_stats[idx].cca_scan_dur) 1515 return 0; 1516 1517 band = pchan_stats[idx].bandcfg; 1518 survey->channel = ieee80211_get_channel(wiphy, 1519 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1520 survey->filled = SURVEY_INFO_NOISE_DBM | 1521 SURVEY_INFO_TIME | 1522 SURVEY_INFO_TIME_BUSY; 1523 survey->noise = pchan_stats[idx].noise; 1524 survey->time = pchan_stats[idx].cca_scan_dur; 1525 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1526 1527 return 0; 1528 } 1529 1530 /* Supported rates to be advertised to the cfg80211 */ 1531 static struct ieee80211_rate mwifiex_rates[] = { 1532 {.bitrate = 10, .hw_value = 2, }, 1533 {.bitrate = 20, .hw_value = 4, }, 1534 {.bitrate = 55, .hw_value = 11, }, 1535 {.bitrate = 110, .hw_value = 22, }, 1536 {.bitrate = 60, .hw_value = 12, }, 1537 {.bitrate = 90, .hw_value = 18, }, 1538 {.bitrate = 120, .hw_value = 24, }, 1539 {.bitrate = 180, .hw_value = 36, }, 1540 {.bitrate = 240, .hw_value = 48, }, 1541 {.bitrate = 360, .hw_value = 72, }, 1542 {.bitrate = 480, .hw_value = 96, }, 1543 {.bitrate = 540, .hw_value = 108, }, 1544 }; 1545 1546 /* Channel definitions to be advertised to cfg80211 */ 1547 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1548 {.center_freq = 2412, .hw_value = 1, }, 1549 {.center_freq = 2417, .hw_value = 2, }, 1550 {.center_freq = 2422, .hw_value = 3, }, 1551 {.center_freq = 2427, .hw_value = 4, }, 1552 {.center_freq = 2432, .hw_value = 5, }, 1553 {.center_freq = 2437, .hw_value = 6, }, 1554 {.center_freq = 2442, .hw_value = 7, }, 1555 {.center_freq = 2447, .hw_value = 8, }, 1556 {.center_freq = 2452, .hw_value = 9, }, 1557 {.center_freq = 2457, .hw_value = 10, }, 1558 {.center_freq = 2462, .hw_value = 11, }, 1559 {.center_freq = 2467, .hw_value = 12, }, 1560 {.center_freq = 2472, .hw_value = 13, }, 1561 {.center_freq = 2484, .hw_value = 14, }, 1562 }; 1563 1564 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1565 .channels = mwifiex_channels_2ghz, 1566 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1567 .bitrates = mwifiex_rates, 1568 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1569 }; 1570 1571 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1572 {.center_freq = 5040, .hw_value = 8, }, 1573 {.center_freq = 5060, .hw_value = 12, }, 1574 {.center_freq = 5080, .hw_value = 16, }, 1575 {.center_freq = 5170, .hw_value = 34, }, 1576 {.center_freq = 5190, .hw_value = 38, }, 1577 {.center_freq = 5210, .hw_value = 42, }, 1578 {.center_freq = 5230, .hw_value = 46, }, 1579 {.center_freq = 5180, .hw_value = 36, }, 1580 {.center_freq = 5200, .hw_value = 40, }, 1581 {.center_freq = 5220, .hw_value = 44, }, 1582 {.center_freq = 5240, .hw_value = 48, }, 1583 {.center_freq = 5260, .hw_value = 52, }, 1584 {.center_freq = 5280, .hw_value = 56, }, 1585 {.center_freq = 5300, .hw_value = 60, }, 1586 {.center_freq = 5320, .hw_value = 64, }, 1587 {.center_freq = 5500, .hw_value = 100, }, 1588 {.center_freq = 5520, .hw_value = 104, }, 1589 {.center_freq = 5540, .hw_value = 108, }, 1590 {.center_freq = 5560, .hw_value = 112, }, 1591 {.center_freq = 5580, .hw_value = 116, }, 1592 {.center_freq = 5600, .hw_value = 120, }, 1593 {.center_freq = 5620, .hw_value = 124, }, 1594 {.center_freq = 5640, .hw_value = 128, }, 1595 {.center_freq = 5660, .hw_value = 132, }, 1596 {.center_freq = 5680, .hw_value = 136, }, 1597 {.center_freq = 5700, .hw_value = 140, }, 1598 {.center_freq = 5745, .hw_value = 149, }, 1599 {.center_freq = 5765, .hw_value = 153, }, 1600 {.center_freq = 5785, .hw_value = 157, }, 1601 {.center_freq = 5805, .hw_value = 161, }, 1602 {.center_freq = 5825, .hw_value = 165, }, 1603 }; 1604 1605 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1606 .channels = mwifiex_channels_5ghz, 1607 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1608 .bitrates = mwifiex_rates + 4, 1609 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1610 }; 1611 1612 1613 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1614 static const u32 mwifiex_cipher_suites[] = { 1615 WLAN_CIPHER_SUITE_WEP40, 1616 WLAN_CIPHER_SUITE_WEP104, 1617 WLAN_CIPHER_SUITE_TKIP, 1618 WLAN_CIPHER_SUITE_CCMP, 1619 WLAN_CIPHER_SUITE_SMS4, 1620 WLAN_CIPHER_SUITE_AES_CMAC, 1621 }; 1622 1623 /* Supported mgmt frame types to be advertised to cfg80211 */ 1624 static const struct ieee80211_txrx_stypes 1625 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1626 [NL80211_IFTYPE_STATION] = { 1627 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1628 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1629 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1630 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1631 }, 1632 [NL80211_IFTYPE_AP] = { 1633 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1634 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1635 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1636 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1637 }, 1638 [NL80211_IFTYPE_P2P_CLIENT] = { 1639 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1640 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1641 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1642 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1643 }, 1644 [NL80211_IFTYPE_P2P_GO] = { 1645 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1646 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1647 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1648 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1649 }, 1650 }; 1651 1652 /* 1653 * CFG802.11 operation handler for setting bit rates. 1654 * 1655 * Function configures data rates to firmware using bitrate mask 1656 * provided by cfg80211. 1657 */ 1658 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1659 struct net_device *dev, 1660 const u8 *peer, 1661 const struct cfg80211_bitrate_mask *mask) 1662 { 1663 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1664 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1665 enum nl80211_band band; 1666 struct mwifiex_adapter *adapter = priv->adapter; 1667 1668 if (!priv->media_connected) { 1669 mwifiex_dbg(adapter, ERROR, 1670 "Can not set Tx data rate in disconnected state\n"); 1671 return -EINVAL; 1672 } 1673 1674 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1675 1676 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1677 1678 /* Fill HR/DSSS rates. */ 1679 if (band == NL80211_BAND_2GHZ) 1680 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1681 1682 /* Fill OFDM rates */ 1683 if (band == NL80211_BAND_2GHZ) 1684 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1685 else 1686 bitmap_rates[1] = mask->control[band].legacy; 1687 1688 /* Fill HT MCS rates */ 1689 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1690 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1691 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1692 1693 /* Fill VHT MCS rates */ 1694 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1695 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1696 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1697 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1698 } 1699 1700 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1701 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1702 } 1703 1704 /* 1705 * CFG802.11 operation handler for connection quality monitoring. 1706 * 1707 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1708 * events to FW. 1709 */ 1710 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1711 struct net_device *dev, 1712 s32 rssi_thold, u32 rssi_hyst) 1713 { 1714 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1715 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1716 1717 priv->cqm_rssi_thold = rssi_thold; 1718 priv->cqm_rssi_hyst = rssi_hyst; 1719 1720 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1721 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1722 1723 /* Subscribe/unsubscribe low and high rssi events */ 1724 if (rssi_thold && rssi_hyst) { 1725 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1726 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1727 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1728 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1729 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1730 return mwifiex_send_cmd(priv, 1731 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1732 0, 0, &subsc_evt, true); 1733 } else { 1734 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1735 return mwifiex_send_cmd(priv, 1736 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1737 0, 0, &subsc_evt, true); 1738 } 1739 1740 return 0; 1741 } 1742 1743 /* cfg80211 operation handler for change_beacon. 1744 * Function retrieves and sets modified management IEs to FW. 1745 */ 1746 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1747 struct net_device *dev, 1748 struct cfg80211_beacon_data *data) 1749 { 1750 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1751 struct mwifiex_adapter *adapter = priv->adapter; 1752 1753 mwifiex_cancel_scan(adapter); 1754 1755 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1756 mwifiex_dbg(priv->adapter, ERROR, 1757 "%s: bss_type mismatched\n", __func__); 1758 return -EINVAL; 1759 } 1760 1761 if (!priv->bss_started) { 1762 mwifiex_dbg(priv->adapter, ERROR, 1763 "%s: bss not started\n", __func__); 1764 return -EINVAL; 1765 } 1766 1767 if (mwifiex_set_mgmt_ies(priv, data)) { 1768 mwifiex_dbg(priv->adapter, ERROR, 1769 "%s: setting mgmt ies failed\n", __func__); 1770 return -EFAULT; 1771 } 1772 1773 return 0; 1774 } 1775 1776 /* cfg80211 operation handler for del_station. 1777 * Function deauthenticates station which value is provided in mac parameter. 1778 * If mac is NULL/broadcast, all stations in associated station list are 1779 * deauthenticated. If bss is not started or there are no stations in 1780 * associated stations list, no action is taken. 1781 */ 1782 static int 1783 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1784 struct station_del_parameters *params) 1785 { 1786 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1787 struct mwifiex_sta_node *sta_node; 1788 u8 deauth_mac[ETH_ALEN]; 1789 unsigned long flags; 1790 1791 if (!priv->bss_started && priv->wdev.cac_started) { 1792 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1793 mwifiex_abort_cac(priv); 1794 } 1795 1796 if (list_empty(&priv->sta_list) || !priv->bss_started) 1797 return 0; 1798 1799 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1800 return 0; 1801 1802 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1803 __func__, params->mac); 1804 1805 eth_zero_addr(deauth_mac); 1806 1807 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 1808 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1809 if (sta_node) 1810 ether_addr_copy(deauth_mac, params->mac); 1811 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 1812 1813 if (is_valid_ether_addr(deauth_mac)) { 1814 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1815 HostCmd_ACT_GEN_SET, 0, 1816 deauth_mac, true)) 1817 return -1; 1818 } 1819 1820 return 0; 1821 } 1822 1823 static int 1824 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1825 { 1826 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1827 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1828 MWIFIEX_BSS_ROLE_ANY); 1829 struct mwifiex_ds_ant_cfg ant_cfg; 1830 1831 if (!tx_ant || !rx_ant) 1832 return -EOPNOTSUPP; 1833 1834 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1835 /* Not a MIMO chip. User should provide specific antenna number 1836 * for Tx/Rx path or enable all antennas for diversity 1837 */ 1838 if (tx_ant != rx_ant) 1839 return -EOPNOTSUPP; 1840 1841 if ((tx_ant & (tx_ant - 1)) && 1842 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1843 return -EOPNOTSUPP; 1844 1845 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1846 (priv->adapter->number_of_antenna > 1)) { 1847 tx_ant = RF_ANTENNA_AUTO; 1848 rx_ant = RF_ANTENNA_AUTO; 1849 } 1850 } else { 1851 struct ieee80211_sta_ht_cap *ht_info; 1852 int rx_mcs_supp; 1853 enum nl80211_band band; 1854 1855 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1856 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1857 if (adapter->is_hw_11ac_capable) 1858 adapter->usr_dot_11ac_mcs_support = 1859 MWIFIEX_11AC_MCS_MAP_1X1; 1860 } else { 1861 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1862 if (adapter->is_hw_11ac_capable) 1863 adapter->usr_dot_11ac_mcs_support = 1864 MWIFIEX_11AC_MCS_MAP_2X2; 1865 } 1866 1867 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1868 if (!adapter->wiphy->bands[band]) 1869 continue; 1870 1871 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1872 rx_mcs_supp = 1873 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1874 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1875 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1876 } 1877 } 1878 1879 ant_cfg.tx_ant = tx_ant; 1880 ant_cfg.rx_ant = rx_ant; 1881 1882 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1883 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 1884 } 1885 1886 static int 1887 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 1888 { 1889 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1890 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1891 MWIFIEX_BSS_ROLE_ANY); 1892 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1893 HostCmd_ACT_GEN_GET, 0, NULL, true); 1894 1895 *tx_ant = priv->tx_ant; 1896 *rx_ant = priv->rx_ant; 1897 1898 return 0; 1899 } 1900 1901 /* cfg80211 operation handler for stop ap. 1902 * Function stops BSS running at uAP interface. 1903 */ 1904 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1905 { 1906 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1907 1908 mwifiex_abort_cac(priv); 1909 1910 if (mwifiex_del_mgmt_ies(priv)) 1911 mwifiex_dbg(priv->adapter, ERROR, 1912 "Failed to delete mgmt IEs!\n"); 1913 1914 priv->ap_11n_enabled = 0; 1915 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 1916 1917 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 1918 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1919 mwifiex_dbg(priv->adapter, ERROR, 1920 "Failed to stop the BSS\n"); 1921 return -1; 1922 } 1923 1924 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 1925 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1926 mwifiex_dbg(priv->adapter, ERROR, 1927 "Failed to reset BSS\n"); 1928 return -1; 1929 } 1930 1931 if (netif_carrier_ok(priv->netdev)) 1932 netif_carrier_off(priv->netdev); 1933 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 1934 1935 return 0; 1936 } 1937 1938 /* cfg80211 operation handler for start_ap. 1939 * Function sets beacon period, DTIM period, SSID and security into 1940 * AP config structure. 1941 * AP is configured with these settings and BSS is started. 1942 */ 1943 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 1944 struct net_device *dev, 1945 struct cfg80211_ap_settings *params) 1946 { 1947 struct mwifiex_uap_bss_param *bss_cfg; 1948 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1949 1950 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 1951 return -1; 1952 1953 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 1954 if (!bss_cfg) 1955 return -ENOMEM; 1956 1957 mwifiex_set_sys_config_invalid_data(bss_cfg); 1958 1959 if (params->beacon_interval) 1960 bss_cfg->beacon_period = params->beacon_interval; 1961 if (params->dtim_period) 1962 bss_cfg->dtim_period = params->dtim_period; 1963 1964 if (params->ssid && params->ssid_len) { 1965 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 1966 bss_cfg->ssid.ssid_len = params->ssid_len; 1967 } 1968 if (params->inactivity_timeout > 0) { 1969 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 1970 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 1971 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 1972 } 1973 1974 switch (params->hidden_ssid) { 1975 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1976 bss_cfg->bcast_ssid_ctl = 1; 1977 break; 1978 case NL80211_HIDDEN_SSID_ZERO_LEN: 1979 bss_cfg->bcast_ssid_ctl = 0; 1980 break; 1981 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1982 /* firmware doesn't support this type of hidden SSID */ 1983 default: 1984 kfree(bss_cfg); 1985 return -EINVAL; 1986 } 1987 1988 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 1989 mwifiex_set_uap_rates(bss_cfg, params); 1990 1991 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 1992 mwifiex_dbg(priv->adapter, ERROR, 1993 "Failed to parse security parameters!\n"); 1994 goto out; 1995 } 1996 1997 mwifiex_set_ht_params(priv, bss_cfg, params); 1998 1999 if (priv->adapter->is_hw_11ac_capable) { 2000 mwifiex_set_vht_params(priv, bss_cfg, params); 2001 mwifiex_set_vht_width(priv, params->chandef.width, 2002 priv->ap_11ac_enabled); 2003 } 2004 2005 if (priv->ap_11ac_enabled) 2006 mwifiex_set_11ac_ba_params(priv); 2007 else 2008 mwifiex_set_ba_params(priv); 2009 2010 mwifiex_set_wmm_params(priv, bss_cfg, params); 2011 2012 if (mwifiex_is_11h_active(priv)) 2013 mwifiex_set_tpc_params(priv, bss_cfg, params); 2014 2015 if (mwifiex_is_11h_active(priv) && 2016 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 2017 priv->bss_mode)) { 2018 mwifiex_dbg(priv->adapter, INFO, 2019 "Disable 11h extensions in FW\n"); 2020 if (mwifiex_11h_activate(priv, false)) { 2021 mwifiex_dbg(priv->adapter, ERROR, 2022 "Failed to disable 11h extensions!!"); 2023 goto out; 2024 } 2025 priv->state_11h.is_11h_active = false; 2026 } 2027 2028 mwifiex_config_uap_11d(priv, ¶ms->beacon); 2029 2030 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2031 mwifiex_dbg(priv->adapter, ERROR, 2032 "Failed to start AP\n"); 2033 goto out; 2034 } 2035 2036 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2037 goto out; 2038 2039 if (!netif_carrier_ok(priv->netdev)) 2040 netif_carrier_on(priv->netdev); 2041 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2042 2043 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2044 kfree(bss_cfg); 2045 return 0; 2046 2047 out: 2048 kfree(bss_cfg); 2049 return -1; 2050 } 2051 2052 /* 2053 * CFG802.11 operation handler for disconnection request. 2054 * 2055 * This function does not work when there is already a disconnection 2056 * procedure going on. 2057 */ 2058 static int 2059 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2060 u16 reason_code) 2061 { 2062 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2063 2064 if (!mwifiex_stop_bg_scan(priv)) 2065 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2066 2067 if (mwifiex_deauthenticate(priv, NULL)) 2068 return -EFAULT; 2069 2070 eth_zero_addr(priv->cfg_bssid); 2071 priv->hs2_enabled = false; 2072 2073 return 0; 2074 } 2075 2076 /* 2077 * This function informs the CFG802.11 subsystem of a new IBSS. 2078 * 2079 * The following information are sent to the CFG802.11 subsystem 2080 * to register the new IBSS. If we do not register the new IBSS, 2081 * a kernel panic will result. 2082 * - SSID 2083 * - SSID length 2084 * - BSSID 2085 * - Channel 2086 */ 2087 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2088 { 2089 struct ieee80211_channel *chan; 2090 struct mwifiex_bss_info bss_info; 2091 struct cfg80211_bss *bss; 2092 int ie_len; 2093 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2094 enum nl80211_band band; 2095 2096 if (mwifiex_get_bss_info(priv, &bss_info)) 2097 return -1; 2098 2099 ie_buf[0] = WLAN_EID_SSID; 2100 ie_buf[1] = bss_info.ssid.ssid_len; 2101 2102 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2103 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2104 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2105 2106 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2107 chan = ieee80211_get_channel(priv->wdev.wiphy, 2108 ieee80211_channel_to_frequency(bss_info.bss_chan, 2109 band)); 2110 2111 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2112 CFG80211_BSS_FTYPE_UNKNOWN, 2113 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2114 0, ie_buf, ie_len, 0, GFP_KERNEL); 2115 if (bss) { 2116 cfg80211_put_bss(priv->wdev.wiphy, bss); 2117 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2118 } 2119 2120 return 0; 2121 } 2122 2123 /* 2124 * This function connects with a BSS. 2125 * 2126 * This function handles both Infra and Ad-Hoc modes. It also performs 2127 * validity checking on the provided parameters, disconnects from the 2128 * current BSS (if any), sets up the association/scan parameters, 2129 * including security settings, and performs specific SSID scan before 2130 * trying to connect. 2131 * 2132 * For Infra mode, the function returns failure if the specified SSID 2133 * is not found in scan table. However, for Ad-Hoc mode, it can create 2134 * the IBSS if it does not exist. On successful completion in either case, 2135 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2136 */ 2137 static int 2138 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2139 const u8 *ssid, const u8 *bssid, int mode, 2140 struct ieee80211_channel *channel, 2141 struct cfg80211_connect_params *sme, bool privacy) 2142 { 2143 struct cfg80211_ssid req_ssid; 2144 int ret, auth_type = 0; 2145 struct cfg80211_bss *bss = NULL; 2146 u8 is_scanning_required = 0; 2147 2148 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2149 2150 req_ssid.ssid_len = ssid_len; 2151 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2152 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2153 return -EINVAL; 2154 } 2155 2156 memcpy(req_ssid.ssid, ssid, ssid_len); 2157 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2158 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2159 return -EINVAL; 2160 } 2161 2162 /* As this is new association, clear locally stored 2163 * keys and security related flags */ 2164 priv->sec_info.wpa_enabled = false; 2165 priv->sec_info.wpa2_enabled = false; 2166 priv->wep_key_curr_index = 0; 2167 priv->sec_info.encryption_mode = 0; 2168 priv->sec_info.is_authtype_auto = 0; 2169 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2170 2171 if (mode == NL80211_IFTYPE_ADHOC) { 2172 u16 enable = true; 2173 2174 /* set ibss coalescing_status */ 2175 ret = mwifiex_send_cmd( 2176 priv, 2177 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2178 HostCmd_ACT_GEN_SET, 0, &enable, true); 2179 if (ret) 2180 return ret; 2181 2182 /* "privacy" is set only for ad-hoc mode */ 2183 if (privacy) { 2184 /* 2185 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2186 * the firmware can find a matching network from the 2187 * scan. The cfg80211 does not give us the encryption 2188 * mode at this stage so just setting it to WEP here. 2189 */ 2190 priv->sec_info.encryption_mode = 2191 WLAN_CIPHER_SUITE_WEP104; 2192 priv->sec_info.authentication_mode = 2193 NL80211_AUTHTYPE_OPEN_SYSTEM; 2194 } 2195 2196 goto done; 2197 } 2198 2199 /* Now handle infra mode. "sme" is valid for infra mode only */ 2200 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2201 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2202 priv->sec_info.is_authtype_auto = 1; 2203 } else { 2204 auth_type = sme->auth_type; 2205 } 2206 2207 if (sme->crypto.n_ciphers_pairwise) { 2208 priv->sec_info.encryption_mode = 2209 sme->crypto.ciphers_pairwise[0]; 2210 priv->sec_info.authentication_mode = auth_type; 2211 } 2212 2213 if (sme->crypto.cipher_group) { 2214 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2215 priv->sec_info.authentication_mode = auth_type; 2216 } 2217 if (sme->ie) 2218 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2219 2220 if (sme->key) { 2221 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2222 mwifiex_dbg(priv->adapter, INFO, 2223 "info: setting wep encryption\t" 2224 "with key len %d\n", sme->key_len); 2225 priv->wep_key_curr_index = sme->key_idx; 2226 ret = mwifiex_set_encode(priv, NULL, sme->key, 2227 sme->key_len, sme->key_idx, 2228 NULL, 0); 2229 } 2230 } 2231 done: 2232 /* 2233 * Scan entries are valid for some time (15 sec). So we can save one 2234 * active scan time if we just try cfg80211_get_bss first. If it fails 2235 * then request scan and cfg80211_get_bss() again for final output. 2236 */ 2237 while (1) { 2238 if (is_scanning_required) { 2239 /* Do specific SSID scanning */ 2240 if (mwifiex_request_scan(priv, &req_ssid)) { 2241 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2242 return -EFAULT; 2243 } 2244 } 2245 2246 /* Find the BSS we want using available scan results */ 2247 if (mode == NL80211_IFTYPE_ADHOC) 2248 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2249 bssid, ssid, ssid_len, 2250 IEEE80211_BSS_TYPE_IBSS, 2251 IEEE80211_PRIVACY_ANY); 2252 else 2253 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2254 bssid, ssid, ssid_len, 2255 IEEE80211_BSS_TYPE_ESS, 2256 IEEE80211_PRIVACY_ANY); 2257 2258 if (!bss) { 2259 if (is_scanning_required) { 2260 mwifiex_dbg(priv->adapter, WARN, 2261 "assoc: requested bss not found in scan results\n"); 2262 break; 2263 } 2264 is_scanning_required = 1; 2265 } else { 2266 mwifiex_dbg(priv->adapter, MSG, 2267 "info: trying to associate to '%.*s' bssid %pM\n", 2268 req_ssid.ssid_len, (char *)req_ssid.ssid, 2269 bss->bssid); 2270 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2271 break; 2272 } 2273 } 2274 2275 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2276 if (ret) 2277 return ret; 2278 2279 if (mode == NL80211_IFTYPE_ADHOC) { 2280 /* Inform the BSS information to kernel, otherwise 2281 * kernel will give a panic after successful assoc */ 2282 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2283 return -EFAULT; 2284 } 2285 2286 return ret; 2287 } 2288 2289 /* 2290 * CFG802.11 operation handler for association request. 2291 * 2292 * This function does not work when the current mode is set to Ad-Hoc, or 2293 * when there is already an association procedure going on. The given BSS 2294 * information is used to associate. 2295 */ 2296 static int 2297 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2298 struct cfg80211_connect_params *sme) 2299 { 2300 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2301 struct mwifiex_adapter *adapter = priv->adapter; 2302 int ret; 2303 2304 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2305 mwifiex_dbg(adapter, ERROR, 2306 "%s: reject infra assoc request in non-STA role\n", 2307 dev->name); 2308 return -EINVAL; 2309 } 2310 2311 if (priv->wdev.current_bss) { 2312 mwifiex_dbg(adapter, ERROR, 2313 "%s: already connected\n", dev->name); 2314 return -EALREADY; 2315 } 2316 2317 if (priv->scan_block) 2318 priv->scan_block = false; 2319 2320 if (adapter->surprise_removed || adapter->is_cmd_timedout) { 2321 mwifiex_dbg(adapter, ERROR, 2322 "%s: Ignore connection.\t" 2323 "Card removed or FW in bad state\n", 2324 dev->name); 2325 return -EFAULT; 2326 } 2327 2328 mwifiex_dbg(adapter, INFO, 2329 "info: Trying to associate to %.*s and bssid %pM\n", 2330 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid); 2331 2332 if (!mwifiex_stop_bg_scan(priv)) 2333 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2334 2335 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2336 priv->bss_mode, sme->channel, sme, 0); 2337 if (!ret) { 2338 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2339 NULL, 0, WLAN_STATUS_SUCCESS, 2340 GFP_KERNEL); 2341 mwifiex_dbg(priv->adapter, MSG, 2342 "info: associated to bssid %pM successfully\n", 2343 priv->cfg_bssid); 2344 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2345 priv->adapter->auto_tdls && 2346 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2347 mwifiex_setup_auto_tdls_timer(priv); 2348 } else { 2349 mwifiex_dbg(priv->adapter, ERROR, 2350 "info: association to bssid %pM failed\n", 2351 priv->cfg_bssid); 2352 eth_zero_addr(priv->cfg_bssid); 2353 2354 if (ret > 0) 2355 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2356 NULL, 0, NULL, 0, ret, 2357 GFP_KERNEL); 2358 else 2359 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2360 NULL, 0, NULL, 0, 2361 WLAN_STATUS_UNSPECIFIED_FAILURE, 2362 GFP_KERNEL); 2363 } 2364 2365 return 0; 2366 } 2367 2368 /* 2369 * This function sets following parameters for ibss network. 2370 * - channel 2371 * - start band 2372 * - 11n flag 2373 * - secondary channel offset 2374 */ 2375 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2376 struct cfg80211_ibss_params *params) 2377 { 2378 struct mwifiex_adapter *adapter = priv->adapter; 2379 int index = 0, i; 2380 u8 config_bands = 0; 2381 2382 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2383 if (!params->basic_rates) { 2384 config_bands = BAND_B | BAND_G; 2385 } else { 2386 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2387 /* 2388 * Rates below 6 Mbps in the table are CCK 2389 * rates; 802.11b and from 6 they are OFDM; 2390 * 802.11G 2391 */ 2392 if (mwifiex_rates[i].bitrate == 60) { 2393 index = 1 << i; 2394 break; 2395 } 2396 } 2397 2398 if (params->basic_rates < index) { 2399 config_bands = BAND_B; 2400 } else { 2401 config_bands = BAND_G; 2402 if (params->basic_rates % index) 2403 config_bands |= BAND_B; 2404 } 2405 } 2406 2407 if (cfg80211_get_chandef_type(¶ms->chandef) != 2408 NL80211_CHAN_NO_HT) 2409 config_bands |= BAND_G | BAND_GN; 2410 } else { 2411 if (cfg80211_get_chandef_type(¶ms->chandef) == 2412 NL80211_CHAN_NO_HT) 2413 config_bands = BAND_A; 2414 else 2415 config_bands = BAND_AN | BAND_A; 2416 } 2417 2418 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2419 adapter->config_bands = config_bands; 2420 adapter->adhoc_start_band = config_bands; 2421 2422 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2423 adapter->adhoc_11n_enabled = true; 2424 else 2425 adapter->adhoc_11n_enabled = false; 2426 } 2427 2428 adapter->sec_chan_offset = 2429 mwifiex_chan_type_to_sec_chan_offset( 2430 cfg80211_get_chandef_type(¶ms->chandef)); 2431 priv->adhoc_channel = ieee80211_frequency_to_channel( 2432 params->chandef.chan->center_freq); 2433 2434 mwifiex_dbg(adapter, INFO, 2435 "info: set ibss band %d, chan %d, chan offset %d\n", 2436 config_bands, priv->adhoc_channel, 2437 adapter->sec_chan_offset); 2438 2439 return 0; 2440 } 2441 2442 /* 2443 * CFG802.11 operation handler to join an IBSS. 2444 * 2445 * This function does not work in any mode other than Ad-Hoc, or if 2446 * a join operation is already in progress. 2447 */ 2448 static int 2449 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2450 struct cfg80211_ibss_params *params) 2451 { 2452 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2453 int ret = 0; 2454 2455 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2456 mwifiex_dbg(priv->adapter, ERROR, 2457 "request to join ibss received\t" 2458 "when station is not in ibss mode\n"); 2459 goto done; 2460 } 2461 2462 mwifiex_dbg(priv->adapter, MSG, 2463 "info: trying to join to %.*s and bssid %pM\n", 2464 params->ssid_len, (char *)params->ssid, params->bssid); 2465 2466 mwifiex_set_ibss_params(priv, params); 2467 2468 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2469 params->bssid, priv->bss_mode, 2470 params->chandef.chan, NULL, 2471 params->privacy); 2472 done: 2473 if (!ret) { 2474 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2475 params->chandef.chan, GFP_KERNEL); 2476 mwifiex_dbg(priv->adapter, MSG, 2477 "info: joined/created adhoc network with bssid\t" 2478 "%pM successfully\n", priv->cfg_bssid); 2479 } else { 2480 mwifiex_dbg(priv->adapter, ERROR, 2481 "info: failed creating/joining adhoc network\n"); 2482 } 2483 2484 return ret; 2485 } 2486 2487 /* 2488 * CFG802.11 operation handler to leave an IBSS. 2489 * 2490 * This function does not work if a leave operation is 2491 * already in progress. 2492 */ 2493 static int 2494 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2495 { 2496 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2497 2498 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2499 priv->cfg_bssid); 2500 if (mwifiex_deauthenticate(priv, NULL)) 2501 return -EFAULT; 2502 2503 eth_zero_addr(priv->cfg_bssid); 2504 2505 return 0; 2506 } 2507 2508 /* 2509 * CFG802.11 operation handler for scan request. 2510 * 2511 * This function issues a scan request to the firmware based upon 2512 * the user specified scan configuration. On successful completion, 2513 * it also informs the results. 2514 */ 2515 static int 2516 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2517 struct cfg80211_scan_request *request) 2518 { 2519 struct net_device *dev = request->wdev->netdev; 2520 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2521 int i, offset, ret; 2522 struct ieee80211_channel *chan; 2523 struct ieee_types_header *ie; 2524 struct mwifiex_user_scan_cfg *user_scan_cfg; 2525 u8 mac_addr[ETH_ALEN]; 2526 2527 mwifiex_dbg(priv->adapter, CMD, 2528 "info: received scan request on %s\n", dev->name); 2529 2530 /* Block scan request if scan operation or scan cleanup when interface 2531 * is disabled is in process 2532 */ 2533 if (priv->scan_request || priv->scan_aborting) { 2534 mwifiex_dbg(priv->adapter, WARN, 2535 "cmd: Scan already in process..\n"); 2536 return -EBUSY; 2537 } 2538 2539 if (!priv->wdev.current_bss && priv->scan_block) 2540 priv->scan_block = false; 2541 2542 if (!mwifiex_stop_bg_scan(priv)) 2543 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2544 2545 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2546 if (!user_scan_cfg) 2547 return -ENOMEM; 2548 2549 priv->scan_request = request; 2550 2551 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2552 get_random_mask_addr(mac_addr, request->mac_addr, 2553 request->mac_addr_mask); 2554 ether_addr_copy(request->mac_addr, mac_addr); 2555 ether_addr_copy(user_scan_cfg->random_mac, mac_addr); 2556 } 2557 2558 user_scan_cfg->num_ssids = request->n_ssids; 2559 user_scan_cfg->ssid_list = request->ssids; 2560 2561 if (request->ie && request->ie_len) { 2562 offset = 0; 2563 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2564 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2565 continue; 2566 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2567 ie = (struct ieee_types_header *)(request->ie + offset); 2568 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2569 offset += sizeof(*ie) + ie->len; 2570 2571 if (offset >= request->ie_len) 2572 break; 2573 } 2574 } 2575 2576 for (i = 0; i < min_t(u32, request->n_channels, 2577 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2578 chan = request->channels[i]; 2579 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2580 user_scan_cfg->chan_list[i].radio_type = chan->band; 2581 2582 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2583 user_scan_cfg->chan_list[i].scan_type = 2584 MWIFIEX_SCAN_TYPE_PASSIVE; 2585 else 2586 user_scan_cfg->chan_list[i].scan_type = 2587 MWIFIEX_SCAN_TYPE_ACTIVE; 2588 2589 user_scan_cfg->chan_list[i].scan_time = 0; 2590 } 2591 2592 if (priv->adapter->scan_chan_gap_enabled && 2593 mwifiex_is_any_intf_active(priv)) 2594 user_scan_cfg->scan_chan_gap = 2595 priv->adapter->scan_chan_gap_time; 2596 2597 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2598 kfree(user_scan_cfg); 2599 if (ret) { 2600 mwifiex_dbg(priv->adapter, ERROR, 2601 "scan failed: %d\n", ret); 2602 priv->scan_aborting = false; 2603 priv->scan_request = NULL; 2604 return ret; 2605 } 2606 2607 if (request->ie && request->ie_len) { 2608 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2609 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2610 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2611 memset(&priv->vs_ie[i].ie, 0, 2612 MWIFIEX_MAX_VSIE_LEN); 2613 } 2614 } 2615 } 2616 return 0; 2617 } 2618 2619 /* CFG802.11 operation handler for sched_scan_start. 2620 * 2621 * This function issues a bgscan config request to the firmware based upon 2622 * the user specified sched_scan configuration. On successful completion, 2623 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2624 * query command to get sched_scan results from firmware. 2625 */ 2626 static int 2627 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2628 struct net_device *dev, 2629 struct cfg80211_sched_scan_request *request) 2630 { 2631 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2632 int i, offset; 2633 struct ieee80211_channel *chan; 2634 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2635 struct ieee_types_header *ie; 2636 2637 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2638 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2639 __func__); 2640 return -EINVAL; 2641 } 2642 2643 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2644 request->n_ssids, request->n_match_sets); 2645 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2646 request->n_channels, request->scan_plans->interval, 2647 (int)request->ie_len); 2648 2649 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2650 if (!bgscan_cfg) 2651 return -ENOMEM; 2652 2653 if (priv->scan_request || priv->scan_aborting) 2654 bgscan_cfg->start_later = true; 2655 2656 bgscan_cfg->num_ssids = request->n_match_sets; 2657 bgscan_cfg->ssid_list = request->match_sets; 2658 2659 if (request->ie && request->ie_len) { 2660 offset = 0; 2661 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2662 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2663 continue; 2664 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2665 ie = (struct ieee_types_header *)(request->ie + offset); 2666 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2667 offset += sizeof(*ie) + ie->len; 2668 2669 if (offset >= request->ie_len) 2670 break; 2671 } 2672 } 2673 2674 for (i = 0; i < min_t(u32, request->n_channels, 2675 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2676 chan = request->channels[i]; 2677 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2678 bgscan_cfg->chan_list[i].radio_type = chan->band; 2679 2680 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2681 bgscan_cfg->chan_list[i].scan_type = 2682 MWIFIEX_SCAN_TYPE_PASSIVE; 2683 else 2684 bgscan_cfg->chan_list[i].scan_type = 2685 MWIFIEX_SCAN_TYPE_ACTIVE; 2686 2687 bgscan_cfg->chan_list[i].scan_time = 0; 2688 } 2689 2690 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2691 MWIFIEX_BG_SCAN_CHAN_MAX); 2692 2693 /* Use at least 15 second for per scan cycle */ 2694 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2695 MWIFIEX_BGSCAN_INTERVAL) ? 2696 request->scan_plans->interval : 2697 MWIFIEX_BGSCAN_INTERVAL; 2698 2699 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2700 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2701 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2702 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2703 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2704 bgscan_cfg->enable = true; 2705 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2706 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2707 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2708 } 2709 2710 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2711 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2712 kfree(bgscan_cfg); 2713 return -EFAULT; 2714 } 2715 2716 priv->sched_scanning = true; 2717 2718 kfree(bgscan_cfg); 2719 return 0; 2720 } 2721 2722 /* CFG802.11 operation handler for sched_scan_stop. 2723 * 2724 * This function issues a bgscan config command to disable 2725 * previous bgscan configuration in the firmware 2726 */ 2727 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2728 struct net_device *dev, u64 reqid) 2729 { 2730 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2731 2732 wiphy_info(wiphy, "sched scan stop!"); 2733 mwifiex_stop_bg_scan(priv); 2734 2735 return 0; 2736 } 2737 2738 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2739 struct mwifiex_private *priv) 2740 { 2741 struct mwifiex_adapter *adapter = priv->adapter; 2742 2743 vht_info->vht_supported = true; 2744 2745 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2746 /* Update MCS support for VHT */ 2747 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2748 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2749 vht_info->vht_mcs.rx_highest = 0; 2750 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2751 adapter->hw_dot_11ac_mcs_support >> 16); 2752 vht_info->vht_mcs.tx_highest = 0; 2753 } 2754 2755 /* 2756 * This function sets up the CFG802.11 specific HT capability fields 2757 * with default values. 2758 * 2759 * The following default values are set - 2760 * - HT Supported = True 2761 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2762 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2763 * - HT Capabilities supported by firmware 2764 * - MCS information, Rx mask = 0xff 2765 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2766 */ 2767 static void 2768 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2769 struct mwifiex_private *priv) 2770 { 2771 int rx_mcs_supp; 2772 struct ieee80211_mcs_info mcs_set; 2773 u8 *mcs = (u8 *)&mcs_set; 2774 struct mwifiex_adapter *adapter = priv->adapter; 2775 2776 ht_info->ht_supported = true; 2777 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2778 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2779 2780 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2781 2782 /* Fill HT capability information */ 2783 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2784 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2785 else 2786 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2787 2788 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2789 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2790 else 2791 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2792 2793 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2794 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2795 else 2796 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2797 2798 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2799 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2800 else 2801 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2802 2803 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2804 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2805 else 2806 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2807 2808 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2809 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2810 else 2811 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2812 2813 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2814 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2815 else 2816 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2817 2818 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2819 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2820 else 2821 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2822 2823 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2824 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2825 2826 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2827 /* Set MCS for 1x1/2x2 */ 2828 memset(mcs, 0xff, rx_mcs_supp); 2829 /* Clear all the other values */ 2830 memset(&mcs[rx_mcs_supp], 0, 2831 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2832 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2833 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2834 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2835 SETHT_MCS32(mcs_set.rx_mask); 2836 2837 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2838 2839 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2840 } 2841 2842 /* 2843 * create a new virtual interface with the given name and name assign type 2844 */ 2845 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2846 const char *name, 2847 unsigned char name_assign_type, 2848 enum nl80211_iftype type, 2849 struct vif_params *params) 2850 { 2851 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2852 struct mwifiex_private *priv; 2853 struct net_device *dev; 2854 void *mdev_priv; 2855 int ret; 2856 2857 if (!adapter) 2858 return ERR_PTR(-EFAULT); 2859 2860 switch (type) { 2861 case NL80211_IFTYPE_UNSPECIFIED: 2862 case NL80211_IFTYPE_STATION: 2863 case NL80211_IFTYPE_ADHOC: 2864 if (adapter->curr_iface_comb.sta_intf == 2865 adapter->iface_limit.sta_intf) { 2866 mwifiex_dbg(adapter, ERROR, 2867 "cannot create multiple sta/adhoc ifaces\n"); 2868 return ERR_PTR(-EINVAL); 2869 } 2870 2871 priv = mwifiex_get_unused_priv_by_bss_type( 2872 adapter, MWIFIEX_BSS_TYPE_STA); 2873 if (!priv) { 2874 mwifiex_dbg(adapter, ERROR, 2875 "could not get free private struct\n"); 2876 return ERR_PTR(-EFAULT); 2877 } 2878 2879 priv->wdev.wiphy = wiphy; 2880 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2881 2882 if (type == NL80211_IFTYPE_UNSPECIFIED) 2883 priv->bss_mode = NL80211_IFTYPE_STATION; 2884 else 2885 priv->bss_mode = type; 2886 2887 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2888 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2889 priv->bss_priority = 0; 2890 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2891 2892 break; 2893 case NL80211_IFTYPE_AP: 2894 if (adapter->curr_iface_comb.uap_intf == 2895 adapter->iface_limit.uap_intf) { 2896 mwifiex_dbg(adapter, ERROR, 2897 "cannot create multiple AP ifaces\n"); 2898 return ERR_PTR(-EINVAL); 2899 } 2900 2901 priv = mwifiex_get_unused_priv_by_bss_type( 2902 adapter, MWIFIEX_BSS_TYPE_UAP); 2903 if (!priv) { 2904 mwifiex_dbg(adapter, ERROR, 2905 "could not get free private struct\n"); 2906 return ERR_PTR(-EFAULT); 2907 } 2908 2909 priv->wdev.wiphy = wiphy; 2910 priv->wdev.iftype = NL80211_IFTYPE_AP; 2911 2912 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2913 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2914 priv->bss_priority = 0; 2915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2916 priv->bss_started = 0; 2917 priv->bss_mode = type; 2918 2919 break; 2920 case NL80211_IFTYPE_P2P_CLIENT: 2921 if (adapter->curr_iface_comb.p2p_intf == 2922 adapter->iface_limit.p2p_intf) { 2923 mwifiex_dbg(adapter, ERROR, 2924 "cannot create multiple P2P ifaces\n"); 2925 return ERR_PTR(-EINVAL); 2926 } 2927 2928 priv = mwifiex_get_unused_priv_by_bss_type( 2929 adapter, MWIFIEX_BSS_TYPE_P2P); 2930 if (!priv) { 2931 mwifiex_dbg(adapter, ERROR, 2932 "could not get free private struct\n"); 2933 return ERR_PTR(-EFAULT); 2934 } 2935 2936 priv->wdev.wiphy = wiphy; 2937 /* At start-up, wpa_supplicant tries to change the interface 2938 * to NL80211_IFTYPE_STATION if it is not managed mode. 2939 */ 2940 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2941 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2942 2943 /* Setting bss_type to P2P tells firmware that this interface 2944 * is receiving P2P peers found during find phase and doing 2945 * action frame handshake. 2946 */ 2947 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2948 2949 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2950 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2951 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2952 priv->bss_started = 0; 2953 2954 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2955 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2956 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2957 return ERR_PTR(-EFAULT); 2958 } 2959 2960 break; 2961 default: 2962 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2963 return ERR_PTR(-EINVAL); 2964 } 2965 2966 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 2967 name_assign_type, ether_setup, 2968 IEEE80211_NUM_ACS, 1); 2969 if (!dev) { 2970 mwifiex_dbg(adapter, ERROR, 2971 "no memory available for netdevice\n"); 2972 ret = -ENOMEM; 2973 goto err_alloc_netdev; 2974 } 2975 2976 mwifiex_init_priv_params(priv, dev); 2977 2978 priv->netdev = dev; 2979 2980 if (!adapter->mfg_mode) { 2981 mwifiex_set_mac_address(priv, dev); 2982 2983 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 2984 HostCmd_ACT_GEN_SET, 0, NULL, true); 2985 if (ret) 2986 goto err_set_bss_mode; 2987 2988 ret = mwifiex_sta_init_cmd(priv, false, false); 2989 if (ret) 2990 goto err_sta_init; 2991 } 2992 2993 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 2994 if (adapter->is_hw_11ac_capable) 2995 mwifiex_setup_vht_caps( 2996 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 2997 2998 if (adapter->config_bands & BAND_A) 2999 mwifiex_setup_ht_caps( 3000 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 3001 3002 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 3003 mwifiex_setup_vht_caps( 3004 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 3005 3006 dev_net_set(dev, wiphy_net(wiphy)); 3007 dev->ieee80211_ptr = &priv->wdev; 3008 dev->ieee80211_ptr->iftype = priv->bss_mode; 3009 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 3010 3011 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 3012 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 3013 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 3014 dev->ethtool_ops = &mwifiex_ethtool_ops; 3015 3016 mdev_priv = netdev_priv(dev); 3017 *((unsigned long *) mdev_priv) = (unsigned long) priv; 3018 3019 SET_NETDEV_DEV(dev, adapter->dev); 3020 3021 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 3022 WQ_HIGHPRI | 3023 WQ_MEM_RECLAIM | 3024 WQ_UNBOUND, 1, name); 3025 if (!priv->dfs_cac_workqueue) { 3026 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); 3027 ret = -ENOMEM; 3028 goto err_alloc_cac; 3029 } 3030 3031 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3032 3033 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 3034 WQ_HIGHPRI | WQ_UNBOUND | 3035 WQ_MEM_RECLAIM, 1, name); 3036 if (!priv->dfs_chan_sw_workqueue) { 3037 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); 3038 ret = -ENOMEM; 3039 goto err_alloc_chsw; 3040 } 3041 3042 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3043 mwifiex_dfs_chan_sw_work_queue); 3044 3045 mutex_init(&priv->async_mutex); 3046 3047 /* Register network device */ 3048 if (register_netdevice(dev)) { 3049 mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); 3050 ret = -EFAULT; 3051 goto err_reg_netdev; 3052 } 3053 3054 mwifiex_dbg(adapter, INFO, 3055 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3056 3057 #ifdef CONFIG_DEBUG_FS 3058 mwifiex_dev_debugfs_init(priv); 3059 #endif 3060 3061 switch (type) { 3062 case NL80211_IFTYPE_UNSPECIFIED: 3063 case NL80211_IFTYPE_STATION: 3064 case NL80211_IFTYPE_ADHOC: 3065 adapter->curr_iface_comb.sta_intf++; 3066 break; 3067 case NL80211_IFTYPE_AP: 3068 adapter->curr_iface_comb.uap_intf++; 3069 break; 3070 case NL80211_IFTYPE_P2P_CLIENT: 3071 adapter->curr_iface_comb.p2p_intf++; 3072 break; 3073 default: 3074 /* This should be dead code; checked above */ 3075 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3076 return ERR_PTR(-EINVAL); 3077 } 3078 3079 return &priv->wdev; 3080 3081 err_reg_netdev: 3082 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3083 priv->dfs_chan_sw_workqueue = NULL; 3084 err_alloc_chsw: 3085 destroy_workqueue(priv->dfs_cac_workqueue); 3086 priv->dfs_cac_workqueue = NULL; 3087 err_alloc_cac: 3088 free_netdev(dev); 3089 priv->netdev = NULL; 3090 err_sta_init: 3091 err_set_bss_mode: 3092 err_alloc_netdev: 3093 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3094 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3095 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3096 return ERR_PTR(ret); 3097 } 3098 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3099 3100 /* 3101 * del_virtual_intf: remove the virtual interface determined by dev 3102 */ 3103 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3104 { 3105 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3106 struct mwifiex_adapter *adapter = priv->adapter; 3107 struct sk_buff *skb, *tmp; 3108 3109 #ifdef CONFIG_DEBUG_FS 3110 mwifiex_dev_debugfs_remove(priv); 3111 #endif 3112 3113 if (priv->sched_scanning) 3114 priv->sched_scanning = false; 3115 3116 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3117 3118 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3119 skb_unlink(skb, &priv->bypass_txq); 3120 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3121 } 3122 3123 if (netif_carrier_ok(priv->netdev)) 3124 netif_carrier_off(priv->netdev); 3125 3126 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3127 unregister_netdevice(wdev->netdev); 3128 3129 if (priv->dfs_cac_workqueue) { 3130 flush_workqueue(priv->dfs_cac_workqueue); 3131 destroy_workqueue(priv->dfs_cac_workqueue); 3132 priv->dfs_cac_workqueue = NULL; 3133 } 3134 3135 if (priv->dfs_chan_sw_workqueue) { 3136 flush_workqueue(priv->dfs_chan_sw_workqueue); 3137 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3138 priv->dfs_chan_sw_workqueue = NULL; 3139 } 3140 /* Clear the priv in adapter */ 3141 priv->netdev = NULL; 3142 3143 switch (priv->bss_mode) { 3144 case NL80211_IFTYPE_UNSPECIFIED: 3145 case NL80211_IFTYPE_STATION: 3146 case NL80211_IFTYPE_ADHOC: 3147 adapter->curr_iface_comb.sta_intf--; 3148 break; 3149 case NL80211_IFTYPE_AP: 3150 adapter->curr_iface_comb.uap_intf--; 3151 break; 3152 case NL80211_IFTYPE_P2P_CLIENT: 3153 case NL80211_IFTYPE_P2P_GO: 3154 adapter->curr_iface_comb.p2p_intf--; 3155 break; 3156 default: 3157 mwifiex_dbg(adapter, ERROR, 3158 "del_virtual_intf: type not supported\n"); 3159 break; 3160 } 3161 3162 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3163 3164 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3165 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3166 kfree(priv->hist_data); 3167 3168 return 0; 3169 } 3170 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3171 3172 static bool 3173 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3174 u8 max_byte_seq) 3175 { 3176 int j, k, valid_byte_cnt = 0; 3177 bool dont_care_byte = false; 3178 3179 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3180 for (k = 0; k < 8; k++) { 3181 if (pat->mask[j] & 1 << k) { 3182 memcpy(byte_seq + valid_byte_cnt, 3183 &pat->pattern[j * 8 + k], 1); 3184 valid_byte_cnt++; 3185 if (dont_care_byte) 3186 return false; 3187 } else { 3188 if (valid_byte_cnt) 3189 dont_care_byte = true; 3190 } 3191 3192 /* wildcard bytes record as the offset 3193 * before the valid byte 3194 */ 3195 if (!valid_byte_cnt && !dont_care_byte) 3196 pat->pkt_offset++; 3197 3198 if (valid_byte_cnt > max_byte_seq) 3199 return false; 3200 } 3201 } 3202 3203 byte_seq[max_byte_seq] = valid_byte_cnt; 3204 3205 return true; 3206 } 3207 3208 #ifdef CONFIG_PM 3209 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3210 struct mwifiex_mef_entry *mef_entry) 3211 { 3212 int i, filt_num = 0, num_ipv4 = 0; 3213 struct in_device *in_dev; 3214 struct in_ifaddr *ifa; 3215 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3216 struct mwifiex_adapter *adapter = priv->adapter; 3217 3218 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3219 mef_entry->action = MEF_ACTION_AUTO_ARP; 3220 3221 /* Enable ARP offload feature */ 3222 memset(ips, 0, sizeof(ips)); 3223 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3224 if (adapter->priv[i]->netdev) { 3225 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3226 if (!in_dev) 3227 continue; 3228 ifa = in_dev->ifa_list; 3229 if (!ifa || !ifa->ifa_local) 3230 continue; 3231 ips[i] = ifa->ifa_local; 3232 num_ipv4++; 3233 } 3234 } 3235 3236 for (i = 0; i < num_ipv4; i++) { 3237 if (!ips[i]) 3238 continue; 3239 mef_entry->filter[filt_num].repeat = 1; 3240 memcpy(mef_entry->filter[filt_num].byte_seq, 3241 (u8 *)&ips[i], sizeof(ips[i])); 3242 mef_entry->filter[filt_num]. 3243 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3244 sizeof(ips[i]); 3245 mef_entry->filter[filt_num].offset = 46; 3246 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3247 if (filt_num) { 3248 mef_entry->filter[filt_num].filt_action = 3249 TYPE_OR; 3250 } 3251 filt_num++; 3252 } 3253 3254 mef_entry->filter[filt_num].repeat = 1; 3255 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3256 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3257 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3258 mef_entry->filter[filt_num].offset = 20; 3259 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3260 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3261 } 3262 3263 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3264 struct mwifiex_ds_mef_cfg *mef_cfg, 3265 struct mwifiex_mef_entry *mef_entry, 3266 struct cfg80211_wowlan *wowlan) 3267 { 3268 int i, filt_num = 0, ret = 0; 3269 bool first_pat = true; 3270 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3271 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3272 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3273 3274 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3275 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3276 3277 for (i = 0; i < wowlan->n_patterns; i++) { 3278 memset(byte_seq, 0, sizeof(byte_seq)); 3279 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3280 byte_seq, 3281 MWIFIEX_MEF_MAX_BYTESEQ)) { 3282 mwifiex_dbg(priv->adapter, ERROR, 3283 "Pattern not supported\n"); 3284 return -EOPNOTSUPP; 3285 } 3286 3287 if (!wowlan->patterns[i].pkt_offset) { 3288 if (!(byte_seq[0] & 0x01) && 3289 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3290 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3291 continue; 3292 } else if (is_broadcast_ether_addr(byte_seq)) { 3293 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3294 continue; 3295 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3296 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3297 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3298 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3299 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3300 continue; 3301 } 3302 } 3303 mef_entry->filter[filt_num].repeat = 1; 3304 mef_entry->filter[filt_num].offset = 3305 wowlan->patterns[i].pkt_offset; 3306 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3307 sizeof(byte_seq)); 3308 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3309 3310 if (first_pat) { 3311 first_pat = false; 3312 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3313 } else { 3314 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3315 } 3316 3317 filt_num++; 3318 } 3319 3320 if (wowlan->magic_pkt) { 3321 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3322 mef_entry->filter[filt_num].repeat = 16; 3323 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3324 ETH_ALEN); 3325 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3326 ETH_ALEN; 3327 mef_entry->filter[filt_num].offset = 28; 3328 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3329 if (filt_num) 3330 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3331 3332 filt_num++; 3333 mef_entry->filter[filt_num].repeat = 16; 3334 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3335 ETH_ALEN); 3336 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3337 ETH_ALEN; 3338 mef_entry->filter[filt_num].offset = 56; 3339 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3340 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3341 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3342 } 3343 return ret; 3344 } 3345 3346 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3347 struct cfg80211_wowlan *wowlan) 3348 { 3349 int ret = 0, num_entries = 1; 3350 struct mwifiex_ds_mef_cfg mef_cfg; 3351 struct mwifiex_mef_entry *mef_entry; 3352 3353 if (wowlan->n_patterns || wowlan->magic_pkt) 3354 num_entries++; 3355 3356 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3357 if (!mef_entry) 3358 return -ENOMEM; 3359 3360 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3361 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3362 MWIFIEX_CRITERIA_UNICAST; 3363 mef_cfg.num_entries = num_entries; 3364 mef_cfg.mef_entry = mef_entry; 3365 3366 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3367 3368 if (wowlan->n_patterns || wowlan->magic_pkt) { 3369 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3370 &mef_entry[1], wowlan); 3371 if (ret) 3372 goto err; 3373 } 3374 3375 if (!mef_cfg.criteria) 3376 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3377 MWIFIEX_CRITERIA_UNICAST | 3378 MWIFIEX_CRITERIA_MULTICAST; 3379 3380 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3381 HostCmd_ACT_GEN_SET, 0, 3382 &mef_cfg, true); 3383 3384 err: 3385 kfree(mef_entry); 3386 return ret; 3387 } 3388 3389 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3390 struct cfg80211_wowlan *wowlan) 3391 { 3392 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3393 struct mwifiex_ds_hs_cfg hs_cfg; 3394 int i, ret = 0, retry_num = 10; 3395 struct mwifiex_private *priv; 3396 struct mwifiex_private *sta_priv = 3397 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3398 3399 sta_priv->scan_aborting = true; 3400 for (i = 0; i < adapter->priv_num; i++) { 3401 priv = adapter->priv[i]; 3402 mwifiex_abort_cac(priv); 3403 } 3404 3405 mwifiex_cancel_all_pending_cmd(adapter); 3406 3407 for (i = 0; i < adapter->priv_num; i++) { 3408 priv = adapter->priv[i]; 3409 if (priv && priv->netdev) 3410 netif_device_detach(priv->netdev); 3411 } 3412 3413 for (i = 0; i < retry_num; i++) { 3414 if (!mwifiex_wmm_lists_empty(adapter) || 3415 !mwifiex_bypass_txlist_empty(adapter) || 3416 !skb_queue_empty(&adapter->tx_data_q)) 3417 usleep_range(10000, 15000); 3418 else 3419 break; 3420 } 3421 3422 if (!wowlan) { 3423 mwifiex_dbg(adapter, ERROR, 3424 "None of the WOWLAN triggers enabled\n"); 3425 ret = 0; 3426 goto done; 3427 } 3428 3429 if (!sta_priv->media_connected && !wowlan->nd_config) { 3430 mwifiex_dbg(adapter, ERROR, 3431 "Can not configure WOWLAN in disconnected state\n"); 3432 ret = 0; 3433 goto done; 3434 } 3435 3436 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3437 if (ret) { 3438 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3439 goto done; 3440 } 3441 3442 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3443 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3444 3445 if (wowlan->nd_config) { 3446 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3447 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3448 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3449 wowlan->nd_config); 3450 } 3451 3452 if (wowlan->disconnect) { 3453 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3454 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3455 } 3456 3457 hs_cfg.is_invoke_hostcmd = false; 3458 hs_cfg.gpio = adapter->hs_cfg.gpio; 3459 hs_cfg.gap = adapter->hs_cfg.gap; 3460 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3461 MWIFIEX_SYNC_CMD, &hs_cfg); 3462 if (ret) 3463 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3464 3465 done: 3466 sta_priv->scan_aborting = false; 3467 return ret; 3468 } 3469 3470 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3471 { 3472 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3473 struct mwifiex_private *priv; 3474 struct mwifiex_ds_wakeup_reason wakeup_reason; 3475 struct cfg80211_wowlan_wakeup wakeup_report; 3476 int i; 3477 bool report_wakeup_reason = true; 3478 3479 for (i = 0; i < adapter->priv_num; i++) { 3480 priv = adapter->priv[i]; 3481 if (priv && priv->netdev) 3482 netif_device_attach(priv->netdev); 3483 } 3484 3485 if (!wiphy->wowlan_config) 3486 goto done; 3487 3488 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3489 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3490 &wakeup_reason); 3491 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3492 3493 wakeup_report.pattern_idx = -1; 3494 3495 switch (wakeup_reason.hs_wakeup_reason) { 3496 case NO_HSWAKEUP_REASON: 3497 break; 3498 case BCAST_DATA_MATCHED: 3499 break; 3500 case MCAST_DATA_MATCHED: 3501 break; 3502 case UCAST_DATA_MATCHED: 3503 break; 3504 case MASKTABLE_EVENT_MATCHED: 3505 break; 3506 case NON_MASKABLE_EVENT_MATCHED: 3507 if (wiphy->wowlan_config->disconnect) 3508 wakeup_report.disconnect = true; 3509 if (wiphy->wowlan_config->nd_config) 3510 wakeup_report.net_detect = adapter->nd_info; 3511 break; 3512 case NON_MASKABLE_CONDITION_MATCHED: 3513 break; 3514 case MAGIC_PATTERN_MATCHED: 3515 if (wiphy->wowlan_config->magic_pkt) 3516 wakeup_report.magic_pkt = true; 3517 if (wiphy->wowlan_config->n_patterns) 3518 wakeup_report.pattern_idx = 1; 3519 break; 3520 case GTK_REKEY_FAILURE: 3521 if (wiphy->wowlan_config->gtk_rekey_failure) 3522 wakeup_report.gtk_rekey_failure = true; 3523 break; 3524 default: 3525 report_wakeup_reason = false; 3526 break; 3527 } 3528 3529 if (report_wakeup_reason) 3530 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3531 GFP_KERNEL); 3532 3533 done: 3534 if (adapter->nd_info) { 3535 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3536 kfree(adapter->nd_info->matches[i]); 3537 kfree(adapter->nd_info); 3538 adapter->nd_info = NULL; 3539 } 3540 3541 return 0; 3542 } 3543 3544 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3545 bool enabled) 3546 { 3547 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3548 3549 device_set_wakeup_enable(adapter->dev, enabled); 3550 } 3551 3552 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3553 struct cfg80211_gtk_rekey_data *data) 3554 { 3555 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3556 3557 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3558 HostCmd_ACT_GEN_SET, 0, data, true); 3559 } 3560 3561 #endif 3562 3563 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3564 { 3565 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3566 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3567 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3568 3569 if ((byte_seq[0] & 0x01) && 3570 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3571 return PACKET_TYPE_UNICAST; 3572 else if (!memcmp(byte_seq, bc_mac, 4)) 3573 return PACKET_TYPE_BROADCAST; 3574 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3575 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3576 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3577 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3578 return PACKET_TYPE_MULTICAST; 3579 3580 return 0; 3581 } 3582 3583 static int 3584 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3585 struct cfg80211_coalesce_rules *crule, 3586 struct mwifiex_coalesce_rule *mrule) 3587 { 3588 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3589 struct filt_field_param *param; 3590 int i; 3591 3592 mrule->max_coalescing_delay = crule->delay; 3593 3594 param = mrule->params; 3595 3596 for (i = 0; i < crule->n_patterns; i++) { 3597 memset(byte_seq, 0, sizeof(byte_seq)); 3598 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3599 byte_seq, 3600 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3601 mwifiex_dbg(priv->adapter, ERROR, 3602 "Pattern not supported\n"); 3603 return -EOPNOTSUPP; 3604 } 3605 3606 if (!crule->patterns[i].pkt_offset) { 3607 u8 pkt_type; 3608 3609 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3610 if (pkt_type && mrule->pkt_type) { 3611 mwifiex_dbg(priv->adapter, ERROR, 3612 "Multiple packet types not allowed\n"); 3613 return -EOPNOTSUPP; 3614 } else if (pkt_type) { 3615 mrule->pkt_type = pkt_type; 3616 continue; 3617 } 3618 } 3619 3620 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3621 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3622 else 3623 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3624 3625 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3626 memcpy(param->operand_byte_stream, byte_seq, 3627 param->operand_len); 3628 param->offset = crule->patterns[i].pkt_offset; 3629 param++; 3630 3631 mrule->num_of_fields++; 3632 } 3633 3634 if (!mrule->pkt_type) { 3635 mwifiex_dbg(priv->adapter, ERROR, 3636 "Packet type can not be determined\n"); 3637 return -EOPNOTSUPP; 3638 } 3639 3640 return 0; 3641 } 3642 3643 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3644 struct cfg80211_coalesce *coalesce) 3645 { 3646 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3647 int i, ret; 3648 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3649 struct mwifiex_private *priv = 3650 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3651 3652 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3653 if (!coalesce) { 3654 mwifiex_dbg(adapter, WARN, 3655 "Disable coalesce and reset all previous rules\n"); 3656 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3657 HostCmd_ACT_GEN_SET, 0, 3658 &coalesce_cfg, true); 3659 } 3660 3661 coalesce_cfg.num_of_rules = coalesce->n_rules; 3662 for (i = 0; i < coalesce->n_rules; i++) { 3663 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3664 &coalesce_cfg.rule[i]); 3665 if (ret) { 3666 mwifiex_dbg(adapter, ERROR, 3667 "Recheck the patterns provided for rule %d\n", 3668 i + 1); 3669 return ret; 3670 } 3671 } 3672 3673 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3674 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3675 } 3676 3677 /* cfg80211 ops handler for tdls_mgmt. 3678 * Function prepares TDLS action frame packets and forwards them to FW 3679 */ 3680 static int 3681 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3682 const u8 *peer, u8 action_code, u8 dialog_token, 3683 u16 status_code, u32 peer_capability, 3684 bool initiator, const u8 *extra_ies, 3685 size_t extra_ies_len) 3686 { 3687 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3688 int ret; 3689 3690 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3691 return -ENOTSUPP; 3692 3693 /* make sure we are in station mode and connected */ 3694 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3695 return -ENOTSUPP; 3696 3697 switch (action_code) { 3698 case WLAN_TDLS_SETUP_REQUEST: 3699 mwifiex_dbg(priv->adapter, MSG, 3700 "Send TDLS Setup Request to %pM status_code=%d\n", 3701 peer, status_code); 3702 mwifiex_add_auto_tdls_peer(priv, peer); 3703 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3704 dialog_token, status_code, 3705 extra_ies, extra_ies_len); 3706 break; 3707 case WLAN_TDLS_SETUP_RESPONSE: 3708 mwifiex_add_auto_tdls_peer(priv, peer); 3709 mwifiex_dbg(priv->adapter, MSG, 3710 "Send TDLS Setup Response to %pM status_code=%d\n", 3711 peer, status_code); 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_CONFIRM: 3717 mwifiex_dbg(priv->adapter, MSG, 3718 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3719 status_code); 3720 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3721 dialog_token, status_code, 3722 extra_ies, extra_ies_len); 3723 break; 3724 case WLAN_TDLS_TEARDOWN: 3725 mwifiex_dbg(priv->adapter, MSG, 3726 "Send TDLS Tear down to %pM\n", peer); 3727 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3728 dialog_token, status_code, 3729 extra_ies, extra_ies_len); 3730 break; 3731 case WLAN_TDLS_DISCOVERY_REQUEST: 3732 mwifiex_dbg(priv->adapter, MSG, 3733 "Send TDLS Discovery Request to %pM\n", peer); 3734 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3735 dialog_token, status_code, 3736 extra_ies, extra_ies_len); 3737 break; 3738 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3739 mwifiex_dbg(priv->adapter, MSG, 3740 "Send TDLS Discovery Response to %pM\n", peer); 3741 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3742 dialog_token, status_code, 3743 extra_ies, extra_ies_len); 3744 break; 3745 default: 3746 mwifiex_dbg(priv->adapter, ERROR, 3747 "Unknown TDLS mgmt/action frame %pM\n", peer); 3748 ret = -EINVAL; 3749 break; 3750 } 3751 3752 return ret; 3753 } 3754 3755 static int 3756 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3757 const u8 *peer, enum nl80211_tdls_operation action) 3758 { 3759 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3760 3761 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3762 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3763 return -ENOTSUPP; 3764 3765 /* make sure we are in station mode and connected */ 3766 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3767 return -ENOTSUPP; 3768 3769 mwifiex_dbg(priv->adapter, MSG, 3770 "TDLS peer=%pM, oper=%d\n", peer, action); 3771 3772 switch (action) { 3773 case NL80211_TDLS_ENABLE_LINK: 3774 action = MWIFIEX_TDLS_ENABLE_LINK; 3775 break; 3776 case NL80211_TDLS_DISABLE_LINK: 3777 action = MWIFIEX_TDLS_DISABLE_LINK; 3778 break; 3779 case NL80211_TDLS_TEARDOWN: 3780 /* shouldn't happen!*/ 3781 mwifiex_dbg(priv->adapter, ERROR, 3782 "tdls_oper: teardown from driver not supported\n"); 3783 return -EINVAL; 3784 case NL80211_TDLS_SETUP: 3785 /* shouldn't happen!*/ 3786 mwifiex_dbg(priv->adapter, ERROR, 3787 "tdls_oper: setup from driver not supported\n"); 3788 return -EINVAL; 3789 case NL80211_TDLS_DISCOVERY_REQ: 3790 /* shouldn't happen!*/ 3791 mwifiex_dbg(priv->adapter, ERROR, 3792 "tdls_oper: discovery from driver not supported\n"); 3793 return -EINVAL; 3794 default: 3795 mwifiex_dbg(priv->adapter, ERROR, 3796 "tdls_oper: operation not supported\n"); 3797 return -ENOTSUPP; 3798 } 3799 3800 return mwifiex_tdls_oper(priv, peer, action); 3801 } 3802 3803 static int 3804 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3805 const u8 *addr, u8 oper_class, 3806 struct cfg80211_chan_def *chandef) 3807 { 3808 struct mwifiex_sta_node *sta_ptr; 3809 unsigned long flags; 3810 u16 chan; 3811 u8 second_chan_offset, band; 3812 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3813 3814 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3815 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3816 if (!sta_ptr) { 3817 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3818 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3819 __func__, addr); 3820 return -ENOENT; 3821 } 3822 3823 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3824 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3825 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3826 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3827 return -ENOENT; 3828 } 3829 3830 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3831 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3832 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3833 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3834 return -EALREADY; 3835 } 3836 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3837 3838 chan = chandef->chan->hw_value; 3839 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3840 band = chandef->chan->band; 3841 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3842 3843 return 0; 3844 } 3845 3846 static void 3847 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3848 struct net_device *dev, 3849 const u8 *addr) 3850 { 3851 struct mwifiex_sta_node *sta_ptr; 3852 unsigned long flags; 3853 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3854 3855 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3856 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3857 if (!sta_ptr) { 3858 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3859 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3860 __func__, addr); 3861 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3862 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3863 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3864 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3865 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3866 addr); 3867 } else { 3868 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3869 mwifiex_stop_tdls_cs(priv, addr); 3870 } 3871 } 3872 3873 static int 3874 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3875 const u8 *mac, struct station_parameters *params) 3876 { 3877 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3878 3879 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3880 return -ENOTSUPP; 3881 3882 /* make sure we are in station mode and connected */ 3883 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3884 return -ENOTSUPP; 3885 3886 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3887 } 3888 3889 static int 3890 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3891 struct cfg80211_csa_settings *params) 3892 { 3893 struct ieee_types_header *chsw_ie; 3894 struct ieee80211_channel_sw_ie *channel_sw; 3895 int chsw_msec; 3896 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3897 3898 if (priv->adapter->scan_processing) { 3899 mwifiex_dbg(priv->adapter, ERROR, 3900 "radar detection: scan in process...\n"); 3901 return -EBUSY; 3902 } 3903 3904 if (priv->wdev.cac_started) 3905 return -EBUSY; 3906 3907 if (cfg80211_chandef_identical(¶ms->chandef, 3908 &priv->dfs_chandef)) 3909 return -EINVAL; 3910 3911 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3912 params->beacon_csa.tail, 3913 params->beacon_csa.tail_len); 3914 if (!chsw_ie) { 3915 mwifiex_dbg(priv->adapter, ERROR, 3916 "Could not parse channel switch announcement IE\n"); 3917 return -EINVAL; 3918 } 3919 3920 channel_sw = (void *)(chsw_ie + 1); 3921 if (channel_sw->mode) { 3922 if (netif_carrier_ok(priv->netdev)) 3923 netif_carrier_off(priv->netdev); 3924 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3925 } 3926 3927 if (mwifiex_del_mgmt_ies(priv)) 3928 mwifiex_dbg(priv->adapter, ERROR, 3929 "Failed to delete mgmt IEs!\n"); 3930 3931 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3932 mwifiex_dbg(priv->adapter, ERROR, 3933 "%s: setting mgmt ies failed\n", __func__); 3934 return -EFAULT; 3935 } 3936 3937 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3938 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3939 sizeof(priv->beacon_after)); 3940 3941 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3942 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3943 msecs_to_jiffies(chsw_msec)); 3944 return 0; 3945 } 3946 3947 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3948 struct wireless_dev *wdev, 3949 struct cfg80211_chan_def *chandef) 3950 { 3951 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3952 struct mwifiex_bssdescriptor *curr_bss; 3953 struct ieee80211_channel *chan; 3954 enum nl80211_channel_type chan_type; 3955 enum nl80211_band band; 3956 int freq; 3957 int ret = -ENODATA; 3958 3959 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 3960 cfg80211_chandef_valid(&priv->bss_chandef)) { 3961 *chandef = priv->bss_chandef; 3962 ret = 0; 3963 } else if (priv->media_connected) { 3964 curr_bss = &priv->curr_bss_params.bss_descriptor; 3965 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 3966 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 3967 chan = ieee80211_get_channel(wiphy, freq); 3968 3969 if (priv->ht_param_present) { 3970 chan_type = mwifiex_get_chan_type(priv); 3971 cfg80211_chandef_create(chandef, chan, chan_type); 3972 } else { 3973 cfg80211_chandef_create(chandef, chan, 3974 NL80211_CHAN_NO_HT); 3975 } 3976 ret = 0; 3977 } 3978 3979 return ret; 3980 } 3981 3982 #ifdef CONFIG_NL80211_TESTMODE 3983 3984 enum mwifiex_tm_attr { 3985 __MWIFIEX_TM_ATTR_INVALID = 0, 3986 MWIFIEX_TM_ATTR_CMD = 1, 3987 MWIFIEX_TM_ATTR_DATA = 2, 3988 3989 /* keep last */ 3990 __MWIFIEX_TM_ATTR_AFTER_LAST, 3991 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 3992 }; 3993 3994 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 3995 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 3996 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 3997 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 3998 }; 3999 4000 enum mwifiex_tm_command { 4001 MWIFIEX_TM_CMD_HOSTCMD = 0, 4002 }; 4003 4004 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 4005 void *data, int len) 4006 { 4007 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4008 struct mwifiex_ds_misc_cmd *hostcmd; 4009 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 4010 struct sk_buff *skb; 4011 int err; 4012 4013 if (!priv) 4014 return -EINVAL; 4015 4016 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy, 4017 NULL); 4018 if (err) 4019 return err; 4020 4021 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4022 return -EINVAL; 4023 4024 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4025 case MWIFIEX_TM_CMD_HOSTCMD: 4026 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4027 return -EINVAL; 4028 4029 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); 4030 if (!hostcmd) 4031 return -ENOMEM; 4032 4033 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4034 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4035 hostcmd->len); 4036 4037 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4038 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4039 return -EFAULT; 4040 } 4041 4042 /* process hostcmd response*/ 4043 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4044 if (!skb) 4045 return -ENOMEM; 4046 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4047 hostcmd->len, hostcmd->cmd); 4048 if (err) { 4049 kfree_skb(skb); 4050 return -EMSGSIZE; 4051 } 4052 4053 err = cfg80211_testmode_reply(skb); 4054 kfree(hostcmd); 4055 return err; 4056 default: 4057 return -EOPNOTSUPP; 4058 } 4059 } 4060 #endif 4061 4062 static int 4063 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4064 struct net_device *dev, 4065 struct cfg80211_chan_def *chandef, 4066 u32 cac_time_ms) 4067 { 4068 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4069 struct mwifiex_radar_params radar_params; 4070 4071 if (priv->adapter->scan_processing) { 4072 mwifiex_dbg(priv->adapter, ERROR, 4073 "radar detection: scan already in process...\n"); 4074 return -EBUSY; 4075 } 4076 4077 if (!mwifiex_is_11h_active(priv)) { 4078 mwifiex_dbg(priv->adapter, INFO, 4079 "Enable 11h extensions in FW\n"); 4080 if (mwifiex_11h_activate(priv, true)) { 4081 mwifiex_dbg(priv->adapter, ERROR, 4082 "Failed to activate 11h extensions!!"); 4083 return -1; 4084 } 4085 priv->state_11h.is_11h_active = true; 4086 } 4087 4088 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4089 radar_params.chandef = chandef; 4090 radar_params.cac_time_ms = cac_time_ms; 4091 4092 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4093 4094 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4095 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4096 return -1; 4097 4098 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4099 msecs_to_jiffies(cac_time_ms)); 4100 return 0; 4101 } 4102 4103 static int 4104 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 4105 const u8 *mac, 4106 struct station_parameters *params) 4107 { 4108 int ret; 4109 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4110 4111 /* we support change_station handler only for TDLS peers*/ 4112 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4113 return -ENOTSUPP; 4114 4115 /* make sure we are in station mode and connected */ 4116 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4117 return -ENOTSUPP; 4118 4119 priv->sta_params = params; 4120 4121 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4122 priv->sta_params = NULL; 4123 4124 return ret; 4125 } 4126 4127 /* station cfg80211 operations */ 4128 static struct cfg80211_ops mwifiex_cfg80211_ops = { 4129 .add_virtual_intf = mwifiex_add_virtual_intf, 4130 .del_virtual_intf = mwifiex_del_virtual_intf, 4131 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4132 .scan = mwifiex_cfg80211_scan, 4133 .connect = mwifiex_cfg80211_connect, 4134 .disconnect = mwifiex_cfg80211_disconnect, 4135 .get_station = mwifiex_cfg80211_get_station, 4136 .dump_station = mwifiex_cfg80211_dump_station, 4137 .dump_survey = mwifiex_cfg80211_dump_survey, 4138 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4139 .join_ibss = mwifiex_cfg80211_join_ibss, 4140 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4141 .add_key = mwifiex_cfg80211_add_key, 4142 .del_key = mwifiex_cfg80211_del_key, 4143 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4144 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4145 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 4146 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4147 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4148 .set_default_key = mwifiex_cfg80211_set_default_key, 4149 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4150 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4151 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4152 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4153 .start_ap = mwifiex_cfg80211_start_ap, 4154 .stop_ap = mwifiex_cfg80211_stop_ap, 4155 .change_beacon = mwifiex_cfg80211_change_beacon, 4156 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4157 .set_antenna = mwifiex_cfg80211_set_antenna, 4158 .get_antenna = mwifiex_cfg80211_get_antenna, 4159 .del_station = mwifiex_cfg80211_del_station, 4160 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4161 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4162 #ifdef CONFIG_PM 4163 .suspend = mwifiex_cfg80211_suspend, 4164 .resume = mwifiex_cfg80211_resume, 4165 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4166 .set_rekey_data = mwifiex_set_rekey_data, 4167 #endif 4168 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4169 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4170 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4171 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4172 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4173 .add_station = mwifiex_cfg80211_add_station, 4174 .change_station = mwifiex_cfg80211_change_station, 4175 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4176 .get_channel = mwifiex_cfg80211_get_channel, 4177 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4178 .channel_switch = mwifiex_cfg80211_channel_switch, 4179 }; 4180 4181 #ifdef CONFIG_PM 4182 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4183 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4184 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4185 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4186 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4187 .pattern_min_len = 1, 4188 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4189 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4190 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4191 }; 4192 #endif 4193 4194 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4195 { 4196 if (!alpha2 || strlen(alpha2) != 2) 4197 return false; 4198 4199 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4200 return true; 4201 4202 return false; 4203 } 4204 4205 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4206 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4207 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4208 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4209 .pattern_min_len = 1, 4210 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4211 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4212 }; 4213 4214 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4215 { 4216 u32 n_channels_bg, n_channels_a = 0; 4217 4218 n_channels_bg = mwifiex_band_2ghz.n_channels; 4219 4220 if (adapter->config_bands & BAND_A) 4221 n_channels_a = mwifiex_band_5ghz.n_channels; 4222 4223 /* allocate twice the number total channels, since the driver issues an 4224 * additional active scan request for hidden SSIDs on passive channels. 4225 */ 4226 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); 4227 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * 4228 adapter->num_in_chan_stats); 4229 4230 if (!adapter->chan_stats) 4231 return -ENOMEM; 4232 4233 return 0; 4234 } 4235 4236 /* 4237 * This function registers the device with CFG802.11 subsystem. 4238 * 4239 * The function creates the wireless device/wiphy, populates it with 4240 * default parameters and handler function pointers, and finally 4241 * registers the device. 4242 */ 4243 4244 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4245 { 4246 int ret; 4247 void *wdev_priv; 4248 struct wiphy *wiphy; 4249 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4250 u8 *country_code; 4251 u32 thr, retry; 4252 4253 /* create a new wiphy for use with cfg80211 */ 4254 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4255 sizeof(struct mwifiex_adapter *)); 4256 if (!wiphy) { 4257 mwifiex_dbg(adapter, ERROR, 4258 "%s: creating new wiphy\n", __func__); 4259 return -ENOMEM; 4260 } 4261 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4262 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4263 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4264 wiphy->max_remain_on_channel_duration = 5000; 4265 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4266 BIT(NL80211_IFTYPE_ADHOC) | 4267 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4268 BIT(NL80211_IFTYPE_P2P_GO) | 4269 BIT(NL80211_IFTYPE_AP); 4270 4271 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4272 if (adapter->config_bands & BAND_A) 4273 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4274 else 4275 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4276 4277 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4278 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4279 else if (adapter->is_hw_11ac_capable) 4280 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4281 else 4282 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4283 wiphy->n_iface_combinations = 1; 4284 4285 /* Initialize cipher suits */ 4286 wiphy->cipher_suites = mwifiex_cipher_suites; 4287 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4288 4289 if (adapter->regd) { 4290 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4291 REGULATORY_DISABLE_BEACON_HINTS | 4292 REGULATORY_COUNTRY_IE_IGNORE; 4293 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4294 } 4295 4296 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4297 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4298 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4299 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4300 WIPHY_FLAG_AP_UAPSD | 4301 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4302 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4303 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4304 4305 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4306 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4307 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4308 4309 #ifdef CONFIG_PM 4310 wiphy->wowlan = &mwifiex_wowlan_support; 4311 #endif 4312 4313 wiphy->coalesce = &mwifiex_coalesce_support; 4314 4315 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4316 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4317 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4318 4319 wiphy->max_sched_scan_reqs = 1; 4320 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4321 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4322 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4323 4324 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4325 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4326 4327 wiphy->features |= NL80211_FEATURE_HT_IBSS | 4328 NL80211_FEATURE_INACTIVITY_TIMER | 4329 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4330 NL80211_FEATURE_NEED_OBSS_SCAN; 4331 4332 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) 4333 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4334 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4335 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4336 4337 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4338 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4339 4340 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4341 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4342 4343 /* Reserve space for mwifiex specific private data for BSS */ 4344 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4345 4346 wiphy->reg_notifier = mwifiex_reg_notifier; 4347 4348 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4349 wdev_priv = wiphy_priv(wiphy); 4350 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4351 4352 set_wiphy_dev(wiphy, priv->adapter->dev); 4353 4354 ret = wiphy_register(wiphy); 4355 if (ret < 0) { 4356 mwifiex_dbg(adapter, ERROR, 4357 "%s: wiphy_register failed: %d\n", __func__, ret); 4358 wiphy_free(wiphy); 4359 return ret; 4360 } 4361 4362 if (!adapter->regd) { 4363 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4364 mwifiex_dbg(adapter, INFO, 4365 "driver hint alpha2: %2.2s\n", reg_alpha2); 4366 regulatory_hint(wiphy, reg_alpha2); 4367 } else { 4368 if (adapter->region_code == 0x00) { 4369 mwifiex_dbg(adapter, WARN, 4370 "Ignore world regulatory domain\n"); 4371 } else { 4372 wiphy->regulatory_flags |= 4373 REGULATORY_DISABLE_BEACON_HINTS | 4374 REGULATORY_COUNTRY_IE_IGNORE; 4375 country_code = 4376 mwifiex_11d_code_2_region( 4377 adapter->region_code); 4378 if (country_code && 4379 regulatory_hint(wiphy, country_code)) 4380 mwifiex_dbg(priv->adapter, ERROR, 4381 "regulatory_hint() failed\n"); 4382 } 4383 } 4384 } 4385 4386 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4387 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4388 wiphy->frag_threshold = thr; 4389 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4390 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4391 wiphy->rts_threshold = thr; 4392 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4393 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4394 wiphy->retry_short = (u8) retry; 4395 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4396 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4397 wiphy->retry_long = (u8) retry; 4398 4399 adapter->wiphy = wiphy; 4400 return ret; 4401 } 4402