1 /* 2 * Marvell Wireless LAN device driver: CFG80211 3 * 4 * Copyright (C) 2011-2014, Marvell International Ltd. 5 * 6 * This software file (the "File") is distributed by Marvell International 7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991 8 * (the "License"). You may use, redistribute and/or modify this File in 9 * accordance with the terms and conditions of the License, a copy of which 10 * is available by writing to the Free Software Foundation, Inc., 11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 13 * 14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 17 * this warranty disclaimer. 18 */ 19 20 #include "cfg80211.h" 21 #include "main.h" 22 #include "11n.h" 23 #include "wmm.h" 24 25 static char *reg_alpha2; 26 module_param(reg_alpha2, charp, 0); 27 28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { 29 { 30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) | 31 BIT(NL80211_IFTYPE_P2P_GO) | 32 BIT(NL80211_IFTYPE_P2P_CLIENT) | 33 BIT(NL80211_IFTYPE_AP), 34 }, 35 }; 36 37 static const struct ieee80211_iface_combination 38 mwifiex_iface_comb_ap_sta = { 39 .limits = mwifiex_ap_sta_limits, 40 .num_different_channels = 1, 41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 42 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 43 .beacon_int_infra_match = true, 44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 45 BIT(NL80211_CHAN_WIDTH_20) | 46 BIT(NL80211_CHAN_WIDTH_40), 47 }; 48 49 static const struct ieee80211_iface_combination 50 mwifiex_iface_comb_ap_sta_vht = { 51 .limits = mwifiex_ap_sta_limits, 52 .num_different_channels = 1, 53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 54 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 55 .beacon_int_infra_match = true, 56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 57 BIT(NL80211_CHAN_WIDTH_20) | 58 BIT(NL80211_CHAN_WIDTH_40) | 59 BIT(NL80211_CHAN_WIDTH_80), 60 }; 61 62 static const struct 63 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { 64 .limits = mwifiex_ap_sta_limits, 65 .num_different_channels = 2, 66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 67 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 68 .beacon_int_infra_match = true, 69 }; 70 71 /* 72 * This function maps the nl802.11 channel type into driver channel type. 73 * 74 * The mapping is as follows - 75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE 76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE 77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE 78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW 79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE 80 */ 81 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) 82 { 83 switch (chan_type) { 84 case NL80211_CHAN_NO_HT: 85 case NL80211_CHAN_HT20: 86 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 87 case NL80211_CHAN_HT40PLUS: 88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; 89 case NL80211_CHAN_HT40MINUS: 90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW; 91 default: 92 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 93 } 94 } 95 96 /* This function maps IEEE HT secondary channel type to NL80211 channel type 97 */ 98 u8 mwifiex_get_chan_type(struct mwifiex_private *priv) 99 { 100 struct mwifiex_channel_band channel_band; 101 int ret; 102 103 ret = mwifiex_get_chan_info(priv, &channel_band); 104 105 if (!ret) { 106 switch (channel_band.band_config.chan_width) { 107 case CHAN_BW_20MHZ: 108 if (IS_11N_ENABLED(priv)) 109 return NL80211_CHAN_HT20; 110 else 111 return NL80211_CHAN_NO_HT; 112 case CHAN_BW_40MHZ: 113 if (channel_band.band_config.chan2_offset == 114 SEC_CHAN_ABOVE) 115 return NL80211_CHAN_HT40PLUS; 116 else 117 return NL80211_CHAN_HT40MINUS; 118 default: 119 return NL80211_CHAN_HT20; 120 } 121 } 122 123 return NL80211_CHAN_HT20; 124 } 125 126 /* 127 * This function checks whether WEP is set. 128 */ 129 static int 130 mwifiex_is_alg_wep(u32 cipher) 131 { 132 switch (cipher) { 133 case WLAN_CIPHER_SUITE_WEP40: 134 case WLAN_CIPHER_SUITE_WEP104: 135 return 1; 136 default: 137 break; 138 } 139 140 return 0; 141 } 142 143 /* 144 * This function retrieves the private structure from kernel wiphy structure. 145 */ 146 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) 147 { 148 return (void *) (*(unsigned long *) wiphy_priv(wiphy)); 149 } 150 151 /* 152 * CFG802.11 operation handler to delete a network key. 153 */ 154 static int 155 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, 156 u8 key_index, bool pairwise, const u8 *mac_addr) 157 { 158 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 159 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 160 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 161 162 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { 163 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 164 return -EFAULT; 165 } 166 167 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); 168 return 0; 169 } 170 171 /* 172 * This function forms an skb for management frame. 173 */ 174 static int 175 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) 176 { 177 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; 178 u16 pkt_len; 179 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 180 181 pkt_len = len + ETH_ALEN; 182 183 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 184 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 185 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 186 187 memcpy(skb_push(skb, sizeof(tx_control)), 188 &tx_control, sizeof(tx_control)); 189 190 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 191 192 /* Add packet data and address4 */ 193 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr)); 194 skb_put_data(skb, addr, ETH_ALEN); 195 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr), 196 len - sizeof(struct ieee80211_hdr_3addr)); 197 198 skb->priority = LOW_PRIO_TID; 199 __net_timestamp(skb); 200 201 return 0; 202 } 203 204 /* 205 * CFG802.11 operation handler to transmit a management frame. 206 */ 207 static int 208 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 209 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 210 { 211 const u8 *buf = params->buf; 212 size_t len = params->len; 213 struct sk_buff *skb; 214 u16 pkt_len; 215 const struct ieee80211_mgmt *mgmt; 216 struct mwifiex_txinfo *tx_info; 217 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 218 219 if (!buf || !len) { 220 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); 221 return -EFAULT; 222 } 223 224 mgmt = (const struct ieee80211_mgmt *)buf; 225 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && 226 ieee80211_is_probe_resp(mgmt->frame_control)) { 227 /* Since we support offload probe resp, we need to skip probe 228 * resp in AP or GO mode */ 229 mwifiex_dbg(priv->adapter, INFO, 230 "info: skip to send probe resp in AP or GO mode\n"); 231 return 0; 232 } 233 234 pkt_len = len + ETH_ALEN; 235 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 236 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 237 pkt_len + sizeof(pkt_len)); 238 239 if (!skb) { 240 mwifiex_dbg(priv->adapter, ERROR, 241 "allocate skb failed for management frame\n"); 242 return -ENOMEM; 243 } 244 245 tx_info = MWIFIEX_SKB_TXCB(skb); 246 memset(tx_info, 0, sizeof(*tx_info)); 247 tx_info->bss_num = priv->bss_num; 248 tx_info->bss_type = priv->bss_type; 249 tx_info->pkt_len = pkt_len; 250 251 mwifiex_form_mgmt_frame(skb, buf, len); 252 *cookie = prandom_u32() | 1; 253 254 if (ieee80211_is_action(mgmt->frame_control)) 255 skb = mwifiex_clone_skb_for_tx_status(priv, 256 skb, 257 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); 258 else 259 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 260 GFP_ATOMIC); 261 262 mwifiex_queue_tx_pkt(priv, skb); 263 264 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 265 return 0; 266 } 267 268 /* 269 * CFG802.11 operation handler to register a mgmt frame. 270 */ 271 static void 272 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, 273 struct wireless_dev *wdev, 274 u16 frame_type, bool reg) 275 { 276 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 277 u32 mask; 278 279 if (reg) 280 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); 281 else 282 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); 283 284 if (mask != priv->mgmt_frame_mask) { 285 priv->mgmt_frame_mask = mask; 286 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 287 HostCmd_ACT_GEN_SET, 0, 288 &priv->mgmt_frame_mask, false); 289 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 290 } 291 } 292 293 /* 294 * CFG802.11 operation handler to remain on channel. 295 */ 296 static int 297 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 298 struct wireless_dev *wdev, 299 struct ieee80211_channel *chan, 300 unsigned int duration, u64 *cookie) 301 { 302 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 303 int ret; 304 305 if (!chan || !cookie) { 306 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); 307 return -EINVAL; 308 } 309 310 if (priv->roc_cfg.cookie) { 311 mwifiex_dbg(priv->adapter, INFO, 312 "info: ongoing ROC, cookie = 0x%llx\n", 313 priv->roc_cfg.cookie); 314 return -EBUSY; 315 } 316 317 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, 318 duration); 319 320 if (!ret) { 321 *cookie = prandom_u32() | 1; 322 priv->roc_cfg.cookie = *cookie; 323 priv->roc_cfg.chan = *chan; 324 325 cfg80211_ready_on_channel(wdev, *cookie, chan, 326 duration, GFP_ATOMIC); 327 328 mwifiex_dbg(priv->adapter, INFO, 329 "info: ROC, cookie = 0x%llx\n", *cookie); 330 } 331 332 return ret; 333 } 334 335 /* 336 * CFG802.11 operation handler to cancel remain on channel. 337 */ 338 static int 339 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 340 struct wireless_dev *wdev, u64 cookie) 341 { 342 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 343 int ret; 344 345 if (cookie != priv->roc_cfg.cookie) 346 return -ENOENT; 347 348 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 349 &priv->roc_cfg.chan, 0); 350 351 if (!ret) { 352 cfg80211_remain_on_channel_expired(wdev, cookie, 353 &priv->roc_cfg.chan, 354 GFP_ATOMIC); 355 356 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 357 358 mwifiex_dbg(priv->adapter, INFO, 359 "info: cancel ROC, cookie = 0x%llx\n", cookie); 360 } 361 362 return ret; 363 } 364 365 /* 366 * CFG802.11 operation handler to set Tx power. 367 */ 368 static int 369 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 370 struct wireless_dev *wdev, 371 enum nl80211_tx_power_setting type, 372 int mbm) 373 { 374 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 375 struct mwifiex_private *priv; 376 struct mwifiex_power_cfg power_cfg; 377 int dbm = MBM_TO_DBM(mbm); 378 379 if (type == NL80211_TX_POWER_FIXED) { 380 power_cfg.is_power_auto = 0; 381 power_cfg.power_level = dbm; 382 } else { 383 power_cfg.is_power_auto = 1; 384 } 385 386 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 387 388 return mwifiex_set_tx_power(priv, &power_cfg); 389 } 390 391 /* 392 * CFG802.11 operation handler to get Tx power. 393 */ 394 static int 395 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, 396 struct wireless_dev *wdev, 397 int *dbm) 398 { 399 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 400 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 401 MWIFIEX_BSS_ROLE_ANY); 402 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 403 HostCmd_ACT_GEN_GET, 0, NULL, true); 404 405 if (ret < 0) 406 return ret; 407 408 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 409 *dbm = priv->tx_power_level; 410 411 return 0; 412 } 413 414 /* 415 * CFG802.11 operation handler to set Power Save option. 416 * 417 * The timeout value, if provided, is currently ignored. 418 */ 419 static int 420 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 421 struct net_device *dev, 422 bool enabled, int timeout) 423 { 424 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 425 u32 ps_mode; 426 427 if (timeout) 428 mwifiex_dbg(priv->adapter, INFO, 429 "info: ignore timeout value for IEEE Power Save\n"); 430 431 ps_mode = enabled; 432 433 return mwifiex_drv_set_power(priv, &ps_mode); 434 } 435 436 /* 437 * CFG802.11 operation handler to set the default network key. 438 */ 439 static int 440 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 441 u8 key_index, bool unicast, 442 bool multicast) 443 { 444 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 445 446 /* Return if WEP key not configured */ 447 if (!priv->sec_info.wep_enabled) 448 return 0; 449 450 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 451 priv->wep_key_curr_index = key_index; 452 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 453 NULL, 0)) { 454 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 455 return -EFAULT; 456 } 457 458 return 0; 459 } 460 461 /* 462 * CFG802.11 operation handler to add a network key. 463 */ 464 static int 465 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 466 u8 key_index, bool pairwise, const u8 *mac_addr, 467 struct key_params *params) 468 { 469 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 470 struct mwifiex_wep_key *wep_key; 471 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 472 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 473 474 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 475 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 476 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 477 if (params->key && params->key_len) { 478 wep_key = &priv->wep_key[key_index]; 479 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 480 memcpy(wep_key->key_material, params->key, 481 params->key_len); 482 wep_key->key_index = key_index; 483 wep_key->key_length = params->key_len; 484 priv->sec_info.wep_enabled = 1; 485 } 486 return 0; 487 } 488 489 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 490 key_index, peer_mac, 0)) { 491 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 492 return -EFAULT; 493 } 494 495 return 0; 496 } 497 498 /* 499 * CFG802.11 operation handler to set default mgmt key. 500 */ 501 static int 502 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, 503 struct net_device *netdev, 504 u8 key_index) 505 { 506 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 507 struct mwifiex_ds_encrypt_key encrypt_key; 508 509 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); 510 511 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); 512 encrypt_key.key_len = WLAN_KEY_LEN_CCMP; 513 encrypt_key.key_index = key_index; 514 encrypt_key.is_igtk_def_key = true; 515 eth_broadcast_addr(encrypt_key.mac_addr); 516 517 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 518 HostCmd_ACT_GEN_SET, true, &encrypt_key, true); 519 } 520 521 /* 522 * This function sends domain information to the firmware. 523 * 524 * The following information are passed to the firmware - 525 * - Country codes 526 * - Sub bands (first channel, number of channels, maximum Tx power) 527 */ 528 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 529 { 530 u8 no_of_triplet = 0; 531 struct ieee80211_country_ie_triplet *t; 532 u8 no_of_parsed_chan = 0; 533 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 534 u8 i, flag = 0; 535 enum nl80211_band band; 536 struct ieee80211_supported_band *sband; 537 struct ieee80211_channel *ch; 538 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 539 struct mwifiex_private *priv; 540 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 541 542 /* Set country code */ 543 domain_info->country_code[0] = adapter->country_code[0]; 544 domain_info->country_code[1] = adapter->country_code[1]; 545 domain_info->country_code[2] = ' '; 546 547 band = mwifiex_band_to_radio_type(adapter->config_bands); 548 if (!wiphy->bands[band]) { 549 mwifiex_dbg(adapter, ERROR, 550 "11D: setting domain info in FW\n"); 551 return -1; 552 } 553 554 sband = wiphy->bands[band]; 555 556 for (i = 0; i < sband->n_channels ; i++) { 557 ch = &sband->channels[i]; 558 if (ch->flags & IEEE80211_CHAN_DISABLED) 559 continue; 560 561 if (!flag) { 562 flag = 1; 563 first_chan = (u32) ch->hw_value; 564 next_chan = first_chan; 565 max_pwr = ch->max_power; 566 no_of_parsed_chan = 1; 567 continue; 568 } 569 570 if (ch->hw_value == next_chan + 1 && 571 ch->max_power == max_pwr) { 572 next_chan++; 573 no_of_parsed_chan++; 574 } else { 575 t = &domain_info->triplet[no_of_triplet]; 576 t->chans.first_channel = first_chan; 577 t->chans.num_channels = no_of_parsed_chan; 578 t->chans.max_power = max_pwr; 579 no_of_triplet++; 580 first_chan = (u32) ch->hw_value; 581 next_chan = first_chan; 582 max_pwr = ch->max_power; 583 no_of_parsed_chan = 1; 584 } 585 } 586 587 if (flag) { 588 t = &domain_info->triplet[no_of_triplet]; 589 t->chans.first_channel = first_chan; 590 t->chans.num_channels = no_of_parsed_chan; 591 t->chans.max_power = max_pwr; 592 no_of_triplet++; 593 } 594 595 domain_info->no_of_triplet = no_of_triplet; 596 597 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 598 599 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 600 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 601 mwifiex_dbg(adapter, INFO, 602 "11D: setting domain info in FW\n"); 603 return -1; 604 } 605 606 return 0; 607 } 608 609 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy) 610 { 611 struct ieee80211_supported_band *sband; 612 struct ieee80211_channel *chan; 613 unsigned int i; 614 615 if (!wiphy->bands[NL80211_BAND_5GHZ]) 616 return; 617 sband = wiphy->bands[NL80211_BAND_5GHZ]; 618 619 for (i = 0; i < sband->n_channels; i++) { 620 chan = &sband->channels[i]; 621 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && 622 (chan->flags & IEEE80211_CHAN_RADAR)) 623 chan->flags |= IEEE80211_CHAN_NO_IR; 624 } 625 } 626 627 /* 628 * CFG802.11 regulatory domain callback function. 629 * 630 * This function is called when the regulatory domain is changed due to the 631 * following reasons - 632 * - Set by driver 633 * - Set by system core 634 * - Set by user 635 * - Set bt Country IE 636 */ 637 static void mwifiex_reg_notifier(struct wiphy *wiphy, 638 struct regulatory_request *request) 639 { 640 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 641 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 642 MWIFIEX_BSS_ROLE_ANY); 643 mwifiex_dbg(adapter, INFO, 644 "info: cfg80211 regulatory domain callback for %c%c\n", 645 request->alpha2[0], request->alpha2[1]); 646 mwifiex_reg_apply_radar_flags(wiphy); 647 648 switch (request->initiator) { 649 case NL80211_REGDOM_SET_BY_DRIVER: 650 case NL80211_REGDOM_SET_BY_CORE: 651 case NL80211_REGDOM_SET_BY_USER: 652 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 653 break; 654 default: 655 mwifiex_dbg(adapter, ERROR, 656 "unknown regdom initiator: %d\n", 657 request->initiator); 658 return; 659 } 660 661 /* Don't send world or same regdom info to firmware */ 662 if (strncmp(request->alpha2, "00", 2) && 663 strncmp(request->alpha2, adapter->country_code, 664 sizeof(request->alpha2))) { 665 memcpy(adapter->country_code, request->alpha2, 666 sizeof(request->alpha2)); 667 mwifiex_send_domain_info_cmd_fw(wiphy); 668 mwifiex_dnld_txpwr_table(priv); 669 } 670 } 671 672 /* 673 * This function sets the fragmentation threshold. 674 * 675 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 676 * and MWIFIEX_FRAG_MAX_VALUE. 677 */ 678 static int 679 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 680 { 681 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 682 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 683 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 684 685 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 686 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 687 &frag_thr, true); 688 } 689 690 /* 691 * This function sets the RTS threshold. 692 693 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 694 * and MWIFIEX_RTS_MAX_VALUE. 695 */ 696 static int 697 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 698 { 699 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 700 rts_thr = MWIFIEX_RTS_MAX_VALUE; 701 702 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 703 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 704 &rts_thr, true); 705 } 706 707 /* 708 * CFG802.11 operation handler to set wiphy parameters. 709 * 710 * This function can be used to set the RTS threshold and the 711 * Fragmentation threshold of the driver. 712 */ 713 static int 714 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 715 { 716 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 717 struct mwifiex_private *priv; 718 struct mwifiex_uap_bss_param *bss_cfg; 719 int ret; 720 721 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 722 723 switch (priv->bss_role) { 724 case MWIFIEX_BSS_ROLE_UAP: 725 if (priv->bss_started) { 726 mwifiex_dbg(adapter, ERROR, 727 "cannot change wiphy params when bss started"); 728 return -EINVAL; 729 } 730 731 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 732 if (!bss_cfg) 733 return -ENOMEM; 734 735 mwifiex_set_sys_config_invalid_data(bss_cfg); 736 737 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 738 bss_cfg->rts_threshold = wiphy->rts_threshold; 739 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 740 bss_cfg->frag_threshold = wiphy->frag_threshold; 741 if (changed & WIPHY_PARAM_RETRY_LONG) 742 bss_cfg->retry_limit = wiphy->retry_long; 743 744 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 745 HostCmd_ACT_GEN_SET, 746 UAP_BSS_PARAMS_I, bss_cfg, 747 false); 748 749 kfree(bss_cfg); 750 if (ret) { 751 mwifiex_dbg(adapter, ERROR, 752 "Failed to set wiphy phy params\n"); 753 return ret; 754 } 755 break; 756 757 case MWIFIEX_BSS_ROLE_STA: 758 if (priv->media_connected) { 759 mwifiex_dbg(adapter, ERROR, 760 "cannot change wiphy params when connected"); 761 return -EINVAL; 762 } 763 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 764 ret = mwifiex_set_rts(priv, 765 wiphy->rts_threshold); 766 if (ret) 767 return ret; 768 } 769 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 770 ret = mwifiex_set_frag(priv, 771 wiphy->frag_threshold); 772 if (ret) 773 return ret; 774 } 775 break; 776 } 777 778 return 0; 779 } 780 781 static int 782 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 783 { 784 u16 mode = P2P_MODE_DISABLE; 785 786 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 787 HostCmd_ACT_GEN_SET, 0, &mode, true)) 788 return -1; 789 790 return 0; 791 } 792 793 /* 794 * This function initializes the functionalities for P2P client. 795 * The P2P client initialization sequence is: 796 * disable -> device -> client 797 */ 798 static int 799 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 800 { 801 u16 mode; 802 803 if (mwifiex_cfg80211_deinit_p2p(priv)) 804 return -1; 805 806 mode = P2P_MODE_DEVICE; 807 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 808 HostCmd_ACT_GEN_SET, 0, &mode, true)) 809 return -1; 810 811 mode = P2P_MODE_CLIENT; 812 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 813 HostCmd_ACT_GEN_SET, 0, &mode, true)) 814 return -1; 815 816 return 0; 817 } 818 819 /* 820 * This function initializes the functionalities for P2P GO. 821 * The P2P GO initialization sequence is: 822 * disable -> device -> GO 823 */ 824 static int 825 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 826 { 827 u16 mode; 828 829 if (mwifiex_cfg80211_deinit_p2p(priv)) 830 return -1; 831 832 mode = P2P_MODE_DEVICE; 833 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 834 HostCmd_ACT_GEN_SET, 0, &mode, true)) 835 return -1; 836 837 mode = P2P_MODE_GO; 838 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 839 HostCmd_ACT_GEN_SET, 0, &mode, true)) 840 return -1; 841 842 return 0; 843 } 844 845 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 846 { 847 struct mwifiex_adapter *adapter = priv->adapter; 848 unsigned long flags; 849 850 priv->mgmt_frame_mask = 0; 851 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 852 HostCmd_ACT_GEN_SET, 0, 853 &priv->mgmt_frame_mask, false)) { 854 mwifiex_dbg(adapter, ERROR, 855 "could not unregister mgmt frame rx\n"); 856 return -1; 857 } 858 859 mwifiex_deauthenticate(priv, NULL); 860 861 spin_lock_irqsave(&adapter->main_proc_lock, flags); 862 adapter->main_locked = true; 863 if (adapter->mwifiex_processing) { 864 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 865 flush_workqueue(adapter->workqueue); 866 } else { 867 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 868 } 869 870 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 871 adapter->rx_locked = true; 872 if (adapter->rx_processing) { 873 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 874 flush_workqueue(adapter->rx_workqueue); 875 } else { 876 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 877 } 878 879 mwifiex_free_priv(priv); 880 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 881 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 882 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 883 884 return 0; 885 } 886 887 static int 888 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 889 struct net_device *dev, 890 enum nl80211_iftype type) 891 { 892 struct mwifiex_adapter *adapter = priv->adapter; 893 unsigned long flags; 894 895 mwifiex_init_priv(priv); 896 897 priv->bss_mode = type; 898 priv->wdev.iftype = type; 899 900 mwifiex_init_priv_params(priv, priv->netdev); 901 priv->bss_started = 0; 902 903 switch (type) { 904 case NL80211_IFTYPE_STATION: 905 case NL80211_IFTYPE_ADHOC: 906 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 907 break; 908 case NL80211_IFTYPE_P2P_CLIENT: 909 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 910 break; 911 case NL80211_IFTYPE_P2P_GO: 912 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 913 break; 914 case NL80211_IFTYPE_AP: 915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 916 break; 917 default: 918 mwifiex_dbg(adapter, ERROR, 919 "%s: changing to %d not supported\n", 920 dev->name, type); 921 return -EOPNOTSUPP; 922 } 923 924 spin_lock_irqsave(&adapter->main_proc_lock, flags); 925 adapter->main_locked = false; 926 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 927 928 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 929 adapter->rx_locked = false; 930 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 931 932 mwifiex_set_mac_address(priv, dev, false, NULL); 933 934 return 0; 935 } 936 937 static int 938 mwifiex_change_vif_to_p2p(struct net_device *dev, 939 enum nl80211_iftype curr_iftype, 940 enum nl80211_iftype type, 941 struct vif_params *params) 942 { 943 struct mwifiex_private *priv; 944 struct mwifiex_adapter *adapter; 945 946 priv = mwifiex_netdev_get_priv(dev); 947 948 if (!priv) 949 return -1; 950 951 adapter = priv->adapter; 952 953 if (adapter->curr_iface_comb.p2p_intf == 954 adapter->iface_limit.p2p_intf) { 955 mwifiex_dbg(adapter, ERROR, 956 "cannot create multiple P2P ifaces\n"); 957 return -1; 958 } 959 960 mwifiex_dbg(adapter, INFO, 961 "%s: changing role to p2p\n", dev->name); 962 963 if (mwifiex_deinit_priv_params(priv)) 964 return -1; 965 if (mwifiex_init_new_priv_params(priv, dev, type)) 966 return -1; 967 968 switch (type) { 969 case NL80211_IFTYPE_P2P_CLIENT: 970 if (mwifiex_cfg80211_init_p2p_client(priv)) 971 return -EFAULT; 972 break; 973 case NL80211_IFTYPE_P2P_GO: 974 if (mwifiex_cfg80211_init_p2p_go(priv)) 975 return -EFAULT; 976 break; 977 default: 978 mwifiex_dbg(adapter, ERROR, 979 "%s: changing to %d not supported\n", 980 dev->name, type); 981 return -EOPNOTSUPP; 982 } 983 984 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 985 HostCmd_ACT_GEN_SET, 0, NULL, true)) 986 return -1; 987 988 if (mwifiex_sta_init_cmd(priv, false, false)) 989 return -1; 990 991 switch (curr_iftype) { 992 case NL80211_IFTYPE_STATION: 993 case NL80211_IFTYPE_ADHOC: 994 adapter->curr_iface_comb.sta_intf--; 995 break; 996 case NL80211_IFTYPE_AP: 997 adapter->curr_iface_comb.uap_intf--; 998 break; 999 default: 1000 break; 1001 } 1002 1003 adapter->curr_iface_comb.p2p_intf++; 1004 dev->ieee80211_ptr->iftype = type; 1005 1006 return 0; 1007 } 1008 1009 static int 1010 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 1011 enum nl80211_iftype curr_iftype, 1012 enum nl80211_iftype type, 1013 struct vif_params *params) 1014 { 1015 struct mwifiex_private *priv; 1016 struct mwifiex_adapter *adapter; 1017 1018 priv = mwifiex_netdev_get_priv(dev); 1019 1020 if (!priv) 1021 return -1; 1022 1023 adapter = priv->adapter; 1024 1025 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && 1026 curr_iftype != NL80211_IFTYPE_P2P_GO) && 1027 (adapter->curr_iface_comb.sta_intf == 1028 adapter->iface_limit.sta_intf)) { 1029 mwifiex_dbg(adapter, ERROR, 1030 "cannot create multiple station/adhoc ifaces\n"); 1031 return -1; 1032 } 1033 1034 if (type == NL80211_IFTYPE_STATION) 1035 mwifiex_dbg(adapter, INFO, 1036 "%s: changing role to station\n", dev->name); 1037 else 1038 mwifiex_dbg(adapter, INFO, 1039 "%s: changing role to adhoc\n", dev->name); 1040 1041 if (mwifiex_deinit_priv_params(priv)) 1042 return -1; 1043 if (mwifiex_init_new_priv_params(priv, dev, type)) 1044 return -1; 1045 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1046 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1047 return -1; 1048 if (mwifiex_sta_init_cmd(priv, false, false)) 1049 return -1; 1050 1051 switch (curr_iftype) { 1052 case NL80211_IFTYPE_P2P_CLIENT: 1053 case NL80211_IFTYPE_P2P_GO: 1054 adapter->curr_iface_comb.p2p_intf--; 1055 break; 1056 case NL80211_IFTYPE_AP: 1057 adapter->curr_iface_comb.uap_intf--; 1058 break; 1059 default: 1060 break; 1061 } 1062 1063 adapter->curr_iface_comb.sta_intf++; 1064 dev->ieee80211_ptr->iftype = type; 1065 return 0; 1066 } 1067 1068 static int 1069 mwifiex_change_vif_to_ap(struct net_device *dev, 1070 enum nl80211_iftype curr_iftype, 1071 enum nl80211_iftype type, 1072 struct vif_params *params) 1073 { 1074 struct mwifiex_private *priv; 1075 struct mwifiex_adapter *adapter; 1076 1077 priv = mwifiex_netdev_get_priv(dev); 1078 1079 if (!priv) 1080 return -1; 1081 1082 adapter = priv->adapter; 1083 1084 if (adapter->curr_iface_comb.uap_intf == 1085 adapter->iface_limit.uap_intf) { 1086 mwifiex_dbg(adapter, ERROR, 1087 "cannot create multiple AP ifaces\n"); 1088 return -1; 1089 } 1090 1091 mwifiex_dbg(adapter, INFO, 1092 "%s: changing role to AP\n", dev->name); 1093 1094 if (mwifiex_deinit_priv_params(priv)) 1095 return -1; 1096 if (mwifiex_init_new_priv_params(priv, dev, type)) 1097 return -1; 1098 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1099 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1100 return -1; 1101 if (mwifiex_sta_init_cmd(priv, false, false)) 1102 return -1; 1103 1104 switch (curr_iftype) { 1105 case NL80211_IFTYPE_P2P_CLIENT: 1106 case NL80211_IFTYPE_P2P_GO: 1107 adapter->curr_iface_comb.p2p_intf--; 1108 break; 1109 case NL80211_IFTYPE_STATION: 1110 case NL80211_IFTYPE_ADHOC: 1111 adapter->curr_iface_comb.sta_intf--; 1112 break; 1113 default: 1114 break; 1115 } 1116 1117 adapter->curr_iface_comb.uap_intf++; 1118 dev->ieee80211_ptr->iftype = type; 1119 return 0; 1120 } 1121 /* 1122 * CFG802.11 operation handler to change interface type. 1123 */ 1124 static int 1125 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1126 struct net_device *dev, 1127 enum nl80211_iftype type, 1128 struct vif_params *params) 1129 { 1130 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1131 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1132 1133 if (priv->scan_request) { 1134 mwifiex_dbg(priv->adapter, ERROR, 1135 "change virtual interface: scan in process\n"); 1136 return -EBUSY; 1137 } 1138 1139 switch (curr_iftype) { 1140 case NL80211_IFTYPE_ADHOC: 1141 switch (type) { 1142 case NL80211_IFTYPE_STATION: 1143 priv->bss_mode = type; 1144 priv->sec_info.authentication_mode = 1145 NL80211_AUTHTYPE_OPEN_SYSTEM; 1146 dev->ieee80211_ptr->iftype = type; 1147 mwifiex_deauthenticate(priv, NULL); 1148 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1149 HostCmd_ACT_GEN_SET, 0, NULL, 1150 true); 1151 case NL80211_IFTYPE_P2P_CLIENT: 1152 case NL80211_IFTYPE_P2P_GO: 1153 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1154 type, params); 1155 case NL80211_IFTYPE_AP: 1156 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1157 params); 1158 case NL80211_IFTYPE_UNSPECIFIED: 1159 mwifiex_dbg(priv->adapter, INFO, 1160 "%s: kept type as IBSS\n", dev->name); 1161 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 bss_cfg->bcast_ssid_ctl = 2; 1983 break; 1984 default: 1985 kfree(bss_cfg); 1986 return -EINVAL; 1987 } 1988 1989 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 1990 mwifiex_set_uap_rates(bss_cfg, params); 1991 1992 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 1993 mwifiex_dbg(priv->adapter, ERROR, 1994 "Failed to parse security parameters!\n"); 1995 goto out; 1996 } 1997 1998 mwifiex_set_ht_params(priv, bss_cfg, params); 1999 2000 if (priv->adapter->is_hw_11ac_capable) { 2001 mwifiex_set_vht_params(priv, bss_cfg, params); 2002 mwifiex_set_vht_width(priv, params->chandef.width, 2003 priv->ap_11ac_enabled); 2004 } 2005 2006 if (priv->ap_11ac_enabled) 2007 mwifiex_set_11ac_ba_params(priv); 2008 else 2009 mwifiex_set_ba_params(priv); 2010 2011 mwifiex_set_wmm_params(priv, bss_cfg, params); 2012 2013 if (mwifiex_is_11h_active(priv)) 2014 mwifiex_set_tpc_params(priv, bss_cfg, params); 2015 2016 if (mwifiex_is_11h_active(priv) && 2017 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 2018 priv->bss_mode)) { 2019 mwifiex_dbg(priv->adapter, INFO, 2020 "Disable 11h extensions in FW\n"); 2021 if (mwifiex_11h_activate(priv, false)) { 2022 mwifiex_dbg(priv->adapter, ERROR, 2023 "Failed to disable 11h extensions!!"); 2024 goto out; 2025 } 2026 priv->state_11h.is_11h_active = false; 2027 } 2028 2029 mwifiex_config_uap_11d(priv, ¶ms->beacon); 2030 2031 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2032 mwifiex_dbg(priv->adapter, ERROR, 2033 "Failed to start AP\n"); 2034 goto out; 2035 } 2036 2037 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2038 goto out; 2039 2040 if (!netif_carrier_ok(priv->netdev)) 2041 netif_carrier_on(priv->netdev); 2042 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2043 2044 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2045 kfree(bss_cfg); 2046 return 0; 2047 2048 out: 2049 kfree(bss_cfg); 2050 return -1; 2051 } 2052 2053 /* 2054 * CFG802.11 operation handler for disconnection request. 2055 * 2056 * This function does not work when there is already a disconnection 2057 * procedure going on. 2058 */ 2059 static int 2060 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2061 u16 reason_code) 2062 { 2063 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2064 2065 if (!mwifiex_stop_bg_scan(priv)) 2066 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2067 2068 if (mwifiex_deauthenticate(priv, NULL)) 2069 return -EFAULT; 2070 2071 eth_zero_addr(priv->cfg_bssid); 2072 priv->hs2_enabled = false; 2073 2074 return 0; 2075 } 2076 2077 /* 2078 * This function informs the CFG802.11 subsystem of a new IBSS. 2079 * 2080 * The following information are sent to the CFG802.11 subsystem 2081 * to register the new IBSS. If we do not register the new IBSS, 2082 * a kernel panic will result. 2083 * - SSID 2084 * - SSID length 2085 * - BSSID 2086 * - Channel 2087 */ 2088 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2089 { 2090 struct ieee80211_channel *chan; 2091 struct mwifiex_bss_info bss_info; 2092 struct cfg80211_bss *bss; 2093 int ie_len; 2094 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2095 enum nl80211_band band; 2096 2097 if (mwifiex_get_bss_info(priv, &bss_info)) 2098 return -1; 2099 2100 ie_buf[0] = WLAN_EID_SSID; 2101 ie_buf[1] = bss_info.ssid.ssid_len; 2102 2103 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2104 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2105 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2106 2107 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2108 chan = ieee80211_get_channel(priv->wdev.wiphy, 2109 ieee80211_channel_to_frequency(bss_info.bss_chan, 2110 band)); 2111 2112 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2113 CFG80211_BSS_FTYPE_UNKNOWN, 2114 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2115 0, ie_buf, ie_len, 0, GFP_KERNEL); 2116 if (bss) { 2117 cfg80211_put_bss(priv->wdev.wiphy, bss); 2118 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2119 } 2120 2121 return 0; 2122 } 2123 2124 /* 2125 * This function connects with a BSS. 2126 * 2127 * This function handles both Infra and Ad-Hoc modes. It also performs 2128 * validity checking on the provided parameters, disconnects from the 2129 * current BSS (if any), sets up the association/scan parameters, 2130 * including security settings, and performs specific SSID scan before 2131 * trying to connect. 2132 * 2133 * For Infra mode, the function returns failure if the specified SSID 2134 * is not found in scan table. However, for Ad-Hoc mode, it can create 2135 * the IBSS if it does not exist. On successful completion in either case, 2136 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2137 */ 2138 static int 2139 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2140 const u8 *ssid, const u8 *bssid, int mode, 2141 struct ieee80211_channel *channel, 2142 struct cfg80211_connect_params *sme, bool privacy) 2143 { 2144 struct cfg80211_ssid req_ssid; 2145 int ret, auth_type = 0; 2146 struct cfg80211_bss *bss = NULL; 2147 u8 is_scanning_required = 0; 2148 2149 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2150 2151 req_ssid.ssid_len = ssid_len; 2152 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2153 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2154 return -EINVAL; 2155 } 2156 2157 memcpy(req_ssid.ssid, ssid, ssid_len); 2158 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2159 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2160 return -EINVAL; 2161 } 2162 2163 /* As this is new association, clear locally stored 2164 * keys and security related flags */ 2165 priv->sec_info.wpa_enabled = false; 2166 priv->sec_info.wpa2_enabled = false; 2167 priv->wep_key_curr_index = 0; 2168 priv->sec_info.encryption_mode = 0; 2169 priv->sec_info.is_authtype_auto = 0; 2170 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2171 2172 if (mode == NL80211_IFTYPE_ADHOC) { 2173 u16 enable = true; 2174 2175 /* set ibss coalescing_status */ 2176 ret = mwifiex_send_cmd( 2177 priv, 2178 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2179 HostCmd_ACT_GEN_SET, 0, &enable, true); 2180 if (ret) 2181 return ret; 2182 2183 /* "privacy" is set only for ad-hoc mode */ 2184 if (privacy) { 2185 /* 2186 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2187 * the firmware can find a matching network from the 2188 * scan. The cfg80211 does not give us the encryption 2189 * mode at this stage so just setting it to WEP here. 2190 */ 2191 priv->sec_info.encryption_mode = 2192 WLAN_CIPHER_SUITE_WEP104; 2193 priv->sec_info.authentication_mode = 2194 NL80211_AUTHTYPE_OPEN_SYSTEM; 2195 } 2196 2197 goto done; 2198 } 2199 2200 /* Now handle infra mode. "sme" is valid for infra mode only */ 2201 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2202 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2203 priv->sec_info.is_authtype_auto = 1; 2204 } else { 2205 auth_type = sme->auth_type; 2206 } 2207 2208 if (sme->crypto.n_ciphers_pairwise) { 2209 priv->sec_info.encryption_mode = 2210 sme->crypto.ciphers_pairwise[0]; 2211 priv->sec_info.authentication_mode = auth_type; 2212 } 2213 2214 if (sme->crypto.cipher_group) { 2215 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2216 priv->sec_info.authentication_mode = auth_type; 2217 } 2218 if (sme->ie) 2219 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2220 2221 if (sme->key) { 2222 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2223 mwifiex_dbg(priv->adapter, INFO, 2224 "info: setting wep encryption\t" 2225 "with key len %d\n", sme->key_len); 2226 priv->wep_key_curr_index = sme->key_idx; 2227 ret = mwifiex_set_encode(priv, NULL, sme->key, 2228 sme->key_len, sme->key_idx, 2229 NULL, 0); 2230 } 2231 } 2232 done: 2233 /* 2234 * Scan entries are valid for some time (15 sec). So we can save one 2235 * active scan time if we just try cfg80211_get_bss first. If it fails 2236 * then request scan and cfg80211_get_bss() again for final output. 2237 */ 2238 while (1) { 2239 if (is_scanning_required) { 2240 /* Do specific SSID scanning */ 2241 if (mwifiex_request_scan(priv, &req_ssid)) { 2242 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2243 return -EFAULT; 2244 } 2245 } 2246 2247 /* Find the BSS we want using available scan results */ 2248 if (mode == NL80211_IFTYPE_ADHOC) 2249 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2250 bssid, ssid, ssid_len, 2251 IEEE80211_BSS_TYPE_IBSS, 2252 IEEE80211_PRIVACY_ANY); 2253 else 2254 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2255 bssid, ssid, ssid_len, 2256 IEEE80211_BSS_TYPE_ESS, 2257 IEEE80211_PRIVACY_ANY); 2258 2259 if (!bss) { 2260 if (is_scanning_required) { 2261 mwifiex_dbg(priv->adapter, WARN, 2262 "assoc: requested bss not found in scan results\n"); 2263 break; 2264 } 2265 is_scanning_required = 1; 2266 } else { 2267 mwifiex_dbg(priv->adapter, MSG, 2268 "info: trying to associate to '%.*s' bssid %pM\n", 2269 req_ssid.ssid_len, (char *)req_ssid.ssid, 2270 bss->bssid); 2271 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2272 break; 2273 } 2274 } 2275 2276 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2277 if (ret) 2278 return ret; 2279 2280 if (mode == NL80211_IFTYPE_ADHOC) { 2281 /* Inform the BSS information to kernel, otherwise 2282 * kernel will give a panic after successful assoc */ 2283 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2284 return -EFAULT; 2285 } 2286 2287 return ret; 2288 } 2289 2290 /* 2291 * CFG802.11 operation handler for association request. 2292 * 2293 * This function does not work when the current mode is set to Ad-Hoc, or 2294 * when there is already an association procedure going on. The given BSS 2295 * information is used to associate. 2296 */ 2297 static int 2298 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2299 struct cfg80211_connect_params *sme) 2300 { 2301 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2302 struct mwifiex_adapter *adapter = priv->adapter; 2303 int ret; 2304 2305 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2306 mwifiex_dbg(adapter, ERROR, 2307 "%s: reject infra assoc request in non-STA role\n", 2308 dev->name); 2309 return -EINVAL; 2310 } 2311 2312 if (priv->wdev.current_bss) { 2313 mwifiex_dbg(adapter, ERROR, 2314 "%s: already connected\n", dev->name); 2315 return -EALREADY; 2316 } 2317 2318 if (priv->scan_block) 2319 priv->scan_block = false; 2320 2321 if (adapter->surprise_removed || adapter->is_cmd_timedout) { 2322 mwifiex_dbg(adapter, ERROR, 2323 "%s: Ignore connection.\t" 2324 "Card removed or FW in bad state\n", 2325 dev->name); 2326 return -EFAULT; 2327 } 2328 2329 mwifiex_dbg(adapter, INFO, 2330 "info: Trying to associate to %.*s and bssid %pM\n", 2331 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid); 2332 2333 if (!mwifiex_stop_bg_scan(priv)) 2334 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2335 2336 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2337 priv->bss_mode, sme->channel, sme, 0); 2338 if (!ret) { 2339 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2340 NULL, 0, WLAN_STATUS_SUCCESS, 2341 GFP_KERNEL); 2342 mwifiex_dbg(priv->adapter, MSG, 2343 "info: associated to bssid %pM successfully\n", 2344 priv->cfg_bssid); 2345 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2346 priv->adapter->auto_tdls && 2347 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2348 mwifiex_setup_auto_tdls_timer(priv); 2349 } else { 2350 mwifiex_dbg(priv->adapter, ERROR, 2351 "info: association to bssid %pM failed\n", 2352 priv->cfg_bssid); 2353 eth_zero_addr(priv->cfg_bssid); 2354 2355 if (ret > 0) 2356 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2357 NULL, 0, NULL, 0, ret, 2358 GFP_KERNEL); 2359 else 2360 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2361 NULL, 0, NULL, 0, 2362 WLAN_STATUS_UNSPECIFIED_FAILURE, 2363 GFP_KERNEL); 2364 } 2365 2366 return 0; 2367 } 2368 2369 /* 2370 * This function sets following parameters for ibss network. 2371 * - channel 2372 * - start band 2373 * - 11n flag 2374 * - secondary channel offset 2375 */ 2376 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2377 struct cfg80211_ibss_params *params) 2378 { 2379 struct mwifiex_adapter *adapter = priv->adapter; 2380 int index = 0, i; 2381 u8 config_bands = 0; 2382 2383 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2384 if (!params->basic_rates) { 2385 config_bands = BAND_B | BAND_G; 2386 } else { 2387 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2388 /* 2389 * Rates below 6 Mbps in the table are CCK 2390 * rates; 802.11b and from 6 they are OFDM; 2391 * 802.11G 2392 */ 2393 if (mwifiex_rates[i].bitrate == 60) { 2394 index = 1 << i; 2395 break; 2396 } 2397 } 2398 2399 if (params->basic_rates < index) { 2400 config_bands = BAND_B; 2401 } else { 2402 config_bands = BAND_G; 2403 if (params->basic_rates % index) 2404 config_bands |= BAND_B; 2405 } 2406 } 2407 2408 if (cfg80211_get_chandef_type(¶ms->chandef) != 2409 NL80211_CHAN_NO_HT) 2410 config_bands |= BAND_G | BAND_GN; 2411 } else { 2412 if (cfg80211_get_chandef_type(¶ms->chandef) == 2413 NL80211_CHAN_NO_HT) 2414 config_bands = BAND_A; 2415 else 2416 config_bands = BAND_AN | BAND_A; 2417 } 2418 2419 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2420 adapter->config_bands = config_bands; 2421 adapter->adhoc_start_band = config_bands; 2422 2423 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2424 adapter->adhoc_11n_enabled = true; 2425 else 2426 adapter->adhoc_11n_enabled = false; 2427 } 2428 2429 adapter->sec_chan_offset = 2430 mwifiex_chan_type_to_sec_chan_offset( 2431 cfg80211_get_chandef_type(¶ms->chandef)); 2432 priv->adhoc_channel = ieee80211_frequency_to_channel( 2433 params->chandef.chan->center_freq); 2434 2435 mwifiex_dbg(adapter, INFO, 2436 "info: set ibss band %d, chan %d, chan offset %d\n", 2437 config_bands, priv->adhoc_channel, 2438 adapter->sec_chan_offset); 2439 2440 return 0; 2441 } 2442 2443 /* 2444 * CFG802.11 operation handler to join an IBSS. 2445 * 2446 * This function does not work in any mode other than Ad-Hoc, or if 2447 * a join operation is already in progress. 2448 */ 2449 static int 2450 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2451 struct cfg80211_ibss_params *params) 2452 { 2453 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2454 int ret = 0; 2455 2456 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2457 mwifiex_dbg(priv->adapter, ERROR, 2458 "request to join ibss received\t" 2459 "when station is not in ibss mode\n"); 2460 goto done; 2461 } 2462 2463 mwifiex_dbg(priv->adapter, MSG, 2464 "info: trying to join to %.*s and bssid %pM\n", 2465 params->ssid_len, (char *)params->ssid, params->bssid); 2466 2467 mwifiex_set_ibss_params(priv, params); 2468 2469 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2470 params->bssid, priv->bss_mode, 2471 params->chandef.chan, NULL, 2472 params->privacy); 2473 done: 2474 if (!ret) { 2475 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2476 params->chandef.chan, GFP_KERNEL); 2477 mwifiex_dbg(priv->adapter, MSG, 2478 "info: joined/created adhoc network with bssid\t" 2479 "%pM successfully\n", priv->cfg_bssid); 2480 } else { 2481 mwifiex_dbg(priv->adapter, ERROR, 2482 "info: failed creating/joining adhoc network\n"); 2483 } 2484 2485 return ret; 2486 } 2487 2488 /* 2489 * CFG802.11 operation handler to leave an IBSS. 2490 * 2491 * This function does not work if a leave operation is 2492 * already in progress. 2493 */ 2494 static int 2495 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2496 { 2497 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2498 2499 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2500 priv->cfg_bssid); 2501 if (mwifiex_deauthenticate(priv, NULL)) 2502 return -EFAULT; 2503 2504 eth_zero_addr(priv->cfg_bssid); 2505 2506 return 0; 2507 } 2508 2509 /* 2510 * CFG802.11 operation handler for scan request. 2511 * 2512 * This function issues a scan request to the firmware based upon 2513 * the user specified scan configuration. On successful completion, 2514 * it also informs the results. 2515 */ 2516 static int 2517 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2518 struct cfg80211_scan_request *request) 2519 { 2520 struct net_device *dev = request->wdev->netdev; 2521 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2522 int i, offset, ret; 2523 struct ieee80211_channel *chan; 2524 struct ieee_types_header *ie; 2525 struct mwifiex_user_scan_cfg *user_scan_cfg; 2526 u8 mac_addr[ETH_ALEN]; 2527 2528 mwifiex_dbg(priv->adapter, CMD, 2529 "info: received scan request on %s\n", dev->name); 2530 2531 /* Block scan request if scan operation or scan cleanup when interface 2532 * is disabled is in process 2533 */ 2534 if (priv->scan_request || priv->scan_aborting) { 2535 mwifiex_dbg(priv->adapter, WARN, 2536 "cmd: Scan already in process..\n"); 2537 return -EBUSY; 2538 } 2539 2540 if (!priv->wdev.current_bss && priv->scan_block) 2541 priv->scan_block = false; 2542 2543 if (!mwifiex_stop_bg_scan(priv)) 2544 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2545 2546 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2547 if (!user_scan_cfg) 2548 return -ENOMEM; 2549 2550 priv->scan_request = request; 2551 2552 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2553 get_random_mask_addr(mac_addr, request->mac_addr, 2554 request->mac_addr_mask); 2555 ether_addr_copy(request->mac_addr, mac_addr); 2556 ether_addr_copy(user_scan_cfg->random_mac, mac_addr); 2557 } 2558 2559 user_scan_cfg->num_ssids = request->n_ssids; 2560 user_scan_cfg->ssid_list = request->ssids; 2561 2562 if (request->ie && request->ie_len) { 2563 offset = 0; 2564 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2565 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2566 continue; 2567 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2568 ie = (struct ieee_types_header *)(request->ie + offset); 2569 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2570 offset += sizeof(*ie) + ie->len; 2571 2572 if (offset >= request->ie_len) 2573 break; 2574 } 2575 } 2576 2577 for (i = 0; i < min_t(u32, request->n_channels, 2578 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2579 chan = request->channels[i]; 2580 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2581 user_scan_cfg->chan_list[i].radio_type = chan->band; 2582 2583 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2584 user_scan_cfg->chan_list[i].scan_type = 2585 MWIFIEX_SCAN_TYPE_PASSIVE; 2586 else 2587 user_scan_cfg->chan_list[i].scan_type = 2588 MWIFIEX_SCAN_TYPE_ACTIVE; 2589 2590 user_scan_cfg->chan_list[i].scan_time = 0; 2591 } 2592 2593 if (priv->adapter->scan_chan_gap_enabled && 2594 mwifiex_is_any_intf_active(priv)) 2595 user_scan_cfg->scan_chan_gap = 2596 priv->adapter->scan_chan_gap_time; 2597 2598 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2599 kfree(user_scan_cfg); 2600 if (ret) { 2601 mwifiex_dbg(priv->adapter, ERROR, 2602 "scan failed: %d\n", ret); 2603 priv->scan_aborting = false; 2604 priv->scan_request = NULL; 2605 return ret; 2606 } 2607 2608 if (request->ie && request->ie_len) { 2609 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2610 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2611 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2612 memset(&priv->vs_ie[i].ie, 0, 2613 MWIFIEX_MAX_VSIE_LEN); 2614 } 2615 } 2616 } 2617 return 0; 2618 } 2619 2620 /* CFG802.11 operation handler for sched_scan_start. 2621 * 2622 * This function issues a bgscan config request to the firmware based upon 2623 * the user specified sched_scan configuration. On successful completion, 2624 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2625 * query command to get sched_scan results from firmware. 2626 */ 2627 static int 2628 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2629 struct net_device *dev, 2630 struct cfg80211_sched_scan_request *request) 2631 { 2632 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2633 int i, offset; 2634 struct ieee80211_channel *chan; 2635 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2636 struct ieee_types_header *ie; 2637 2638 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2639 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2640 __func__); 2641 return -EINVAL; 2642 } 2643 2644 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2645 request->n_ssids, request->n_match_sets); 2646 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2647 request->n_channels, request->scan_plans->interval, 2648 (int)request->ie_len); 2649 2650 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2651 if (!bgscan_cfg) 2652 return -ENOMEM; 2653 2654 if (priv->scan_request || priv->scan_aborting) 2655 bgscan_cfg->start_later = true; 2656 2657 bgscan_cfg->num_ssids = request->n_match_sets; 2658 bgscan_cfg->ssid_list = request->match_sets; 2659 2660 if (request->ie && request->ie_len) { 2661 offset = 0; 2662 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2663 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2664 continue; 2665 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2666 ie = (struct ieee_types_header *)(request->ie + offset); 2667 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2668 offset += sizeof(*ie) + ie->len; 2669 2670 if (offset >= request->ie_len) 2671 break; 2672 } 2673 } 2674 2675 for (i = 0; i < min_t(u32, request->n_channels, 2676 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2677 chan = request->channels[i]; 2678 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2679 bgscan_cfg->chan_list[i].radio_type = chan->band; 2680 2681 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2682 bgscan_cfg->chan_list[i].scan_type = 2683 MWIFIEX_SCAN_TYPE_PASSIVE; 2684 else 2685 bgscan_cfg->chan_list[i].scan_type = 2686 MWIFIEX_SCAN_TYPE_ACTIVE; 2687 2688 bgscan_cfg->chan_list[i].scan_time = 0; 2689 } 2690 2691 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2692 MWIFIEX_BG_SCAN_CHAN_MAX); 2693 2694 /* Use at least 15 second for per scan cycle */ 2695 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2696 MWIFIEX_BGSCAN_INTERVAL) ? 2697 request->scan_plans->interval : 2698 MWIFIEX_BGSCAN_INTERVAL; 2699 2700 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2701 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2702 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2703 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2704 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2705 bgscan_cfg->enable = true; 2706 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2707 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2708 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2709 } 2710 2711 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2712 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2713 kfree(bgscan_cfg); 2714 return -EFAULT; 2715 } 2716 2717 priv->sched_scanning = true; 2718 2719 kfree(bgscan_cfg); 2720 return 0; 2721 } 2722 2723 /* CFG802.11 operation handler for sched_scan_stop. 2724 * 2725 * This function issues a bgscan config command to disable 2726 * previous bgscan configuration in the firmware 2727 */ 2728 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2729 struct net_device *dev, u64 reqid) 2730 { 2731 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2732 2733 wiphy_info(wiphy, "sched scan stop!"); 2734 mwifiex_stop_bg_scan(priv); 2735 2736 return 0; 2737 } 2738 2739 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2740 struct mwifiex_private *priv) 2741 { 2742 struct mwifiex_adapter *adapter = priv->adapter; 2743 2744 vht_info->vht_supported = true; 2745 2746 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2747 /* Update MCS support for VHT */ 2748 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2749 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2750 vht_info->vht_mcs.rx_highest = 0; 2751 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2752 adapter->hw_dot_11ac_mcs_support >> 16); 2753 vht_info->vht_mcs.tx_highest = 0; 2754 } 2755 2756 /* 2757 * This function sets up the CFG802.11 specific HT capability fields 2758 * with default values. 2759 * 2760 * The following default values are set - 2761 * - HT Supported = True 2762 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2763 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2764 * - HT Capabilities supported by firmware 2765 * - MCS information, Rx mask = 0xff 2766 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2767 */ 2768 static void 2769 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2770 struct mwifiex_private *priv) 2771 { 2772 int rx_mcs_supp; 2773 struct ieee80211_mcs_info mcs_set; 2774 u8 *mcs = (u8 *)&mcs_set; 2775 struct mwifiex_adapter *adapter = priv->adapter; 2776 2777 ht_info->ht_supported = true; 2778 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2779 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2780 2781 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2782 2783 /* Fill HT capability information */ 2784 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2785 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2786 else 2787 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2788 2789 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2790 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2791 else 2792 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2793 2794 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2795 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2796 else 2797 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2798 2799 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2800 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2801 else 2802 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2803 2804 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2805 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2806 else 2807 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2808 2809 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2810 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2811 else 2812 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2813 2814 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2815 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2816 else 2817 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2818 2819 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2820 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2821 else 2822 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2823 2824 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2825 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2826 2827 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2828 /* Set MCS for 1x1/2x2 */ 2829 memset(mcs, 0xff, rx_mcs_supp); 2830 /* Clear all the other values */ 2831 memset(&mcs[rx_mcs_supp], 0, 2832 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2833 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2834 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2835 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2836 SETHT_MCS32(mcs_set.rx_mask); 2837 2838 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2839 2840 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2841 } 2842 2843 /* 2844 * create a new virtual interface with the given name and name assign type 2845 */ 2846 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2847 const char *name, 2848 unsigned char name_assign_type, 2849 enum nl80211_iftype type, 2850 struct vif_params *params) 2851 { 2852 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2853 struct mwifiex_private *priv; 2854 struct net_device *dev; 2855 void *mdev_priv; 2856 int ret; 2857 2858 if (!adapter) 2859 return ERR_PTR(-EFAULT); 2860 2861 switch (type) { 2862 case NL80211_IFTYPE_UNSPECIFIED: 2863 case NL80211_IFTYPE_STATION: 2864 case NL80211_IFTYPE_ADHOC: 2865 if (adapter->curr_iface_comb.sta_intf == 2866 adapter->iface_limit.sta_intf) { 2867 mwifiex_dbg(adapter, ERROR, 2868 "cannot create multiple sta/adhoc ifaces\n"); 2869 return ERR_PTR(-EINVAL); 2870 } 2871 2872 priv = mwifiex_get_unused_priv_by_bss_type( 2873 adapter, MWIFIEX_BSS_TYPE_STA); 2874 if (!priv) { 2875 mwifiex_dbg(adapter, ERROR, 2876 "could not get free private struct\n"); 2877 return ERR_PTR(-EFAULT); 2878 } 2879 2880 priv->wdev.wiphy = wiphy; 2881 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2882 2883 if (type == NL80211_IFTYPE_UNSPECIFIED) 2884 priv->bss_mode = NL80211_IFTYPE_STATION; 2885 else 2886 priv->bss_mode = type; 2887 2888 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2889 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2890 priv->bss_priority = 0; 2891 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2892 2893 break; 2894 case NL80211_IFTYPE_AP: 2895 if (adapter->curr_iface_comb.uap_intf == 2896 adapter->iface_limit.uap_intf) { 2897 mwifiex_dbg(adapter, ERROR, 2898 "cannot create multiple AP ifaces\n"); 2899 return ERR_PTR(-EINVAL); 2900 } 2901 2902 priv = mwifiex_get_unused_priv_by_bss_type( 2903 adapter, MWIFIEX_BSS_TYPE_UAP); 2904 if (!priv) { 2905 mwifiex_dbg(adapter, ERROR, 2906 "could not get free private struct\n"); 2907 return ERR_PTR(-EFAULT); 2908 } 2909 2910 priv->wdev.wiphy = wiphy; 2911 priv->wdev.iftype = NL80211_IFTYPE_AP; 2912 2913 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2914 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2915 priv->bss_priority = 0; 2916 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2917 priv->bss_started = 0; 2918 priv->bss_mode = type; 2919 2920 break; 2921 case NL80211_IFTYPE_P2P_CLIENT: 2922 if (adapter->curr_iface_comb.p2p_intf == 2923 adapter->iface_limit.p2p_intf) { 2924 mwifiex_dbg(adapter, ERROR, 2925 "cannot create multiple P2P ifaces\n"); 2926 return ERR_PTR(-EINVAL); 2927 } 2928 2929 priv = mwifiex_get_unused_priv_by_bss_type( 2930 adapter, MWIFIEX_BSS_TYPE_P2P); 2931 if (!priv) { 2932 mwifiex_dbg(adapter, ERROR, 2933 "could not get free private struct\n"); 2934 return ERR_PTR(-EFAULT); 2935 } 2936 2937 priv->wdev.wiphy = wiphy; 2938 /* At start-up, wpa_supplicant tries to change the interface 2939 * to NL80211_IFTYPE_STATION if it is not managed mode. 2940 */ 2941 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2942 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2943 2944 /* Setting bss_type to P2P tells firmware that this interface 2945 * is receiving P2P peers found during find phase and doing 2946 * action frame handshake. 2947 */ 2948 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2949 2950 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2951 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2952 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2953 priv->bss_started = 0; 2954 2955 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2956 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2957 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2958 return ERR_PTR(-EFAULT); 2959 } 2960 2961 break; 2962 default: 2963 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2964 return ERR_PTR(-EINVAL); 2965 } 2966 2967 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 2968 name_assign_type, ether_setup, 2969 IEEE80211_NUM_ACS, 1); 2970 if (!dev) { 2971 mwifiex_dbg(adapter, ERROR, 2972 "no memory available for netdevice\n"); 2973 ret = -ENOMEM; 2974 goto err_alloc_netdev; 2975 } 2976 2977 mwifiex_init_priv_params(priv, dev); 2978 2979 priv->netdev = dev; 2980 2981 if (!adapter->mfg_mode) { 2982 mwifiex_set_mac_address(priv, dev, false, NULL); 2983 2984 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 2985 HostCmd_ACT_GEN_SET, 0, NULL, true); 2986 if (ret) 2987 goto err_set_bss_mode; 2988 2989 ret = mwifiex_sta_init_cmd(priv, false, false); 2990 if (ret) 2991 goto err_sta_init; 2992 } 2993 2994 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 2995 if (adapter->is_hw_11ac_capable) 2996 mwifiex_setup_vht_caps( 2997 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 2998 2999 if (adapter->config_bands & BAND_A) 3000 mwifiex_setup_ht_caps( 3001 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 3002 3003 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 3004 mwifiex_setup_vht_caps( 3005 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 3006 3007 dev_net_set(dev, wiphy_net(wiphy)); 3008 dev->ieee80211_ptr = &priv->wdev; 3009 dev->ieee80211_ptr->iftype = priv->bss_mode; 3010 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 3011 3012 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 3013 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 3014 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 3015 dev->ethtool_ops = &mwifiex_ethtool_ops; 3016 3017 mdev_priv = netdev_priv(dev); 3018 *((unsigned long *) mdev_priv) = (unsigned long) priv; 3019 3020 SET_NETDEV_DEV(dev, adapter->dev); 3021 3022 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 3023 WQ_HIGHPRI | 3024 WQ_MEM_RECLAIM | 3025 WQ_UNBOUND, 1, name); 3026 if (!priv->dfs_cac_workqueue) { 3027 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); 3028 ret = -ENOMEM; 3029 goto err_alloc_cac; 3030 } 3031 3032 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3033 3034 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 3035 WQ_HIGHPRI | WQ_UNBOUND | 3036 WQ_MEM_RECLAIM, 1, name); 3037 if (!priv->dfs_chan_sw_workqueue) { 3038 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); 3039 ret = -ENOMEM; 3040 goto err_alloc_chsw; 3041 } 3042 3043 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3044 mwifiex_dfs_chan_sw_work_queue); 3045 3046 mutex_init(&priv->async_mutex); 3047 3048 /* Register network device */ 3049 if (register_netdevice(dev)) { 3050 mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); 3051 ret = -EFAULT; 3052 goto err_reg_netdev; 3053 } 3054 3055 mwifiex_dbg(adapter, INFO, 3056 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3057 3058 #ifdef CONFIG_DEBUG_FS 3059 mwifiex_dev_debugfs_init(priv); 3060 #endif 3061 3062 switch (type) { 3063 case NL80211_IFTYPE_UNSPECIFIED: 3064 case NL80211_IFTYPE_STATION: 3065 case NL80211_IFTYPE_ADHOC: 3066 adapter->curr_iface_comb.sta_intf++; 3067 break; 3068 case NL80211_IFTYPE_AP: 3069 adapter->curr_iface_comb.uap_intf++; 3070 break; 3071 case NL80211_IFTYPE_P2P_CLIENT: 3072 adapter->curr_iface_comb.p2p_intf++; 3073 break; 3074 default: 3075 /* This should be dead code; checked above */ 3076 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3077 return ERR_PTR(-EINVAL); 3078 } 3079 3080 return &priv->wdev; 3081 3082 err_reg_netdev: 3083 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3084 priv->dfs_chan_sw_workqueue = NULL; 3085 err_alloc_chsw: 3086 destroy_workqueue(priv->dfs_cac_workqueue); 3087 priv->dfs_cac_workqueue = NULL; 3088 err_alloc_cac: 3089 free_netdev(dev); 3090 priv->netdev = NULL; 3091 err_sta_init: 3092 err_set_bss_mode: 3093 err_alloc_netdev: 3094 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3095 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3096 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3097 return ERR_PTR(ret); 3098 } 3099 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3100 3101 /* 3102 * del_virtual_intf: remove the virtual interface determined by dev 3103 */ 3104 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3105 { 3106 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3107 struct mwifiex_adapter *adapter = priv->adapter; 3108 struct sk_buff *skb, *tmp; 3109 3110 #ifdef CONFIG_DEBUG_FS 3111 mwifiex_dev_debugfs_remove(priv); 3112 #endif 3113 3114 if (priv->sched_scanning) 3115 priv->sched_scanning = false; 3116 3117 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3118 3119 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3120 skb_unlink(skb, &priv->bypass_txq); 3121 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3122 } 3123 3124 if (netif_carrier_ok(priv->netdev)) 3125 netif_carrier_off(priv->netdev); 3126 3127 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3128 unregister_netdevice(wdev->netdev); 3129 3130 if (priv->dfs_cac_workqueue) { 3131 flush_workqueue(priv->dfs_cac_workqueue); 3132 destroy_workqueue(priv->dfs_cac_workqueue); 3133 priv->dfs_cac_workqueue = NULL; 3134 } 3135 3136 if (priv->dfs_chan_sw_workqueue) { 3137 flush_workqueue(priv->dfs_chan_sw_workqueue); 3138 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3139 priv->dfs_chan_sw_workqueue = NULL; 3140 } 3141 /* Clear the priv in adapter */ 3142 priv->netdev = NULL; 3143 3144 switch (priv->bss_mode) { 3145 case NL80211_IFTYPE_UNSPECIFIED: 3146 case NL80211_IFTYPE_STATION: 3147 case NL80211_IFTYPE_ADHOC: 3148 adapter->curr_iface_comb.sta_intf--; 3149 break; 3150 case NL80211_IFTYPE_AP: 3151 adapter->curr_iface_comb.uap_intf--; 3152 break; 3153 case NL80211_IFTYPE_P2P_CLIENT: 3154 case NL80211_IFTYPE_P2P_GO: 3155 adapter->curr_iface_comb.p2p_intf--; 3156 break; 3157 default: 3158 mwifiex_dbg(adapter, ERROR, 3159 "del_virtual_intf: type not supported\n"); 3160 break; 3161 } 3162 3163 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3164 3165 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3166 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3167 kfree(priv->hist_data); 3168 3169 return 0; 3170 } 3171 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3172 3173 static bool 3174 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3175 u8 max_byte_seq) 3176 { 3177 int j, k, valid_byte_cnt = 0; 3178 bool dont_care_byte = false; 3179 3180 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3181 for (k = 0; k < 8; k++) { 3182 if (pat->mask[j] & 1 << k) { 3183 memcpy(byte_seq + valid_byte_cnt, 3184 &pat->pattern[j * 8 + k], 1); 3185 valid_byte_cnt++; 3186 if (dont_care_byte) 3187 return false; 3188 } else { 3189 if (valid_byte_cnt) 3190 dont_care_byte = true; 3191 } 3192 3193 /* wildcard bytes record as the offset 3194 * before the valid byte 3195 */ 3196 if (!valid_byte_cnt && !dont_care_byte) 3197 pat->pkt_offset++; 3198 3199 if (valid_byte_cnt > max_byte_seq) 3200 return false; 3201 } 3202 } 3203 3204 byte_seq[max_byte_seq] = valid_byte_cnt; 3205 3206 return true; 3207 } 3208 3209 #ifdef CONFIG_PM 3210 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3211 struct mwifiex_mef_entry *mef_entry) 3212 { 3213 int i, filt_num = 0, num_ipv4 = 0; 3214 struct in_device *in_dev; 3215 struct in_ifaddr *ifa; 3216 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3217 struct mwifiex_adapter *adapter = priv->adapter; 3218 3219 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3220 mef_entry->action = MEF_ACTION_AUTO_ARP; 3221 3222 /* Enable ARP offload feature */ 3223 memset(ips, 0, sizeof(ips)); 3224 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3225 if (adapter->priv[i]->netdev) { 3226 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3227 if (!in_dev) 3228 continue; 3229 ifa = in_dev->ifa_list; 3230 if (!ifa || !ifa->ifa_local) 3231 continue; 3232 ips[i] = ifa->ifa_local; 3233 num_ipv4++; 3234 } 3235 } 3236 3237 for (i = 0; i < num_ipv4; i++) { 3238 if (!ips[i]) 3239 continue; 3240 mef_entry->filter[filt_num].repeat = 1; 3241 memcpy(mef_entry->filter[filt_num].byte_seq, 3242 (u8 *)&ips[i], sizeof(ips[i])); 3243 mef_entry->filter[filt_num]. 3244 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3245 sizeof(ips[i]); 3246 mef_entry->filter[filt_num].offset = 46; 3247 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3248 if (filt_num) { 3249 mef_entry->filter[filt_num].filt_action = 3250 TYPE_OR; 3251 } 3252 filt_num++; 3253 } 3254 3255 mef_entry->filter[filt_num].repeat = 1; 3256 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3257 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3258 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3259 mef_entry->filter[filt_num].offset = 20; 3260 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3261 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3262 } 3263 3264 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3265 struct mwifiex_ds_mef_cfg *mef_cfg, 3266 struct mwifiex_mef_entry *mef_entry, 3267 struct cfg80211_wowlan *wowlan) 3268 { 3269 int i, filt_num = 0, ret = 0; 3270 bool first_pat = true; 3271 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3272 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3273 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3274 3275 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3276 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3277 3278 for (i = 0; i < wowlan->n_patterns; i++) { 3279 memset(byte_seq, 0, sizeof(byte_seq)); 3280 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3281 byte_seq, 3282 MWIFIEX_MEF_MAX_BYTESEQ)) { 3283 mwifiex_dbg(priv->adapter, ERROR, 3284 "Pattern not supported\n"); 3285 return -EOPNOTSUPP; 3286 } 3287 3288 if (!wowlan->patterns[i].pkt_offset) { 3289 if (!(byte_seq[0] & 0x01) && 3290 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3291 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3292 continue; 3293 } else if (is_broadcast_ether_addr(byte_seq)) { 3294 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3295 continue; 3296 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3297 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3298 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3299 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3300 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3301 continue; 3302 } 3303 } 3304 mef_entry->filter[filt_num].repeat = 1; 3305 mef_entry->filter[filt_num].offset = 3306 wowlan->patterns[i].pkt_offset; 3307 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3308 sizeof(byte_seq)); 3309 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3310 3311 if (first_pat) { 3312 first_pat = false; 3313 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3314 } else { 3315 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3316 } 3317 3318 filt_num++; 3319 } 3320 3321 if (wowlan->magic_pkt) { 3322 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3323 mef_entry->filter[filt_num].repeat = 16; 3324 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3325 ETH_ALEN); 3326 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3327 ETH_ALEN; 3328 mef_entry->filter[filt_num].offset = 28; 3329 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3330 if (filt_num) 3331 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3332 3333 filt_num++; 3334 mef_entry->filter[filt_num].repeat = 16; 3335 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3336 ETH_ALEN); 3337 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3338 ETH_ALEN; 3339 mef_entry->filter[filt_num].offset = 56; 3340 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3341 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3342 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3343 } 3344 return ret; 3345 } 3346 3347 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3348 struct cfg80211_wowlan *wowlan) 3349 { 3350 int ret = 0, num_entries = 1; 3351 struct mwifiex_ds_mef_cfg mef_cfg; 3352 struct mwifiex_mef_entry *mef_entry; 3353 3354 if (wowlan->n_patterns || wowlan->magic_pkt) 3355 num_entries++; 3356 3357 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3358 if (!mef_entry) 3359 return -ENOMEM; 3360 3361 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3362 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3363 MWIFIEX_CRITERIA_UNICAST; 3364 mef_cfg.num_entries = num_entries; 3365 mef_cfg.mef_entry = mef_entry; 3366 3367 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3368 3369 if (wowlan->n_patterns || wowlan->magic_pkt) { 3370 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3371 &mef_entry[1], wowlan); 3372 if (ret) 3373 goto err; 3374 } 3375 3376 if (!mef_cfg.criteria) 3377 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3378 MWIFIEX_CRITERIA_UNICAST | 3379 MWIFIEX_CRITERIA_MULTICAST; 3380 3381 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3382 HostCmd_ACT_GEN_SET, 0, 3383 &mef_cfg, true); 3384 3385 err: 3386 kfree(mef_entry); 3387 return ret; 3388 } 3389 3390 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3391 struct cfg80211_wowlan *wowlan) 3392 { 3393 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3394 struct mwifiex_ds_hs_cfg hs_cfg; 3395 int i, ret = 0, retry_num = 10; 3396 struct mwifiex_private *priv; 3397 struct mwifiex_private *sta_priv = 3398 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3399 3400 sta_priv->scan_aborting = true; 3401 for (i = 0; i < adapter->priv_num; i++) { 3402 priv = adapter->priv[i]; 3403 mwifiex_abort_cac(priv); 3404 } 3405 3406 mwifiex_cancel_all_pending_cmd(adapter); 3407 3408 for (i = 0; i < adapter->priv_num; i++) { 3409 priv = adapter->priv[i]; 3410 if (priv && priv->netdev) 3411 netif_device_detach(priv->netdev); 3412 } 3413 3414 for (i = 0; i < retry_num; i++) { 3415 if (!mwifiex_wmm_lists_empty(adapter) || 3416 !mwifiex_bypass_txlist_empty(adapter) || 3417 !skb_queue_empty(&adapter->tx_data_q)) 3418 usleep_range(10000, 15000); 3419 else 3420 break; 3421 } 3422 3423 if (!wowlan) { 3424 mwifiex_dbg(adapter, ERROR, 3425 "None of the WOWLAN triggers enabled\n"); 3426 ret = 0; 3427 goto done; 3428 } 3429 3430 if (!sta_priv->media_connected && !wowlan->nd_config) { 3431 mwifiex_dbg(adapter, ERROR, 3432 "Can not configure WOWLAN in disconnected state\n"); 3433 ret = 0; 3434 goto done; 3435 } 3436 3437 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3438 if (ret) { 3439 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3440 goto done; 3441 } 3442 3443 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3444 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3445 3446 if (wowlan->nd_config) { 3447 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3448 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3449 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3450 wowlan->nd_config); 3451 } 3452 3453 if (wowlan->disconnect) { 3454 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3455 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3456 } 3457 3458 hs_cfg.is_invoke_hostcmd = false; 3459 hs_cfg.gpio = adapter->hs_cfg.gpio; 3460 hs_cfg.gap = adapter->hs_cfg.gap; 3461 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3462 MWIFIEX_SYNC_CMD, &hs_cfg); 3463 if (ret) 3464 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3465 3466 done: 3467 sta_priv->scan_aborting = false; 3468 return ret; 3469 } 3470 3471 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3472 { 3473 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3474 struct mwifiex_private *priv; 3475 struct mwifiex_ds_wakeup_reason wakeup_reason; 3476 struct cfg80211_wowlan_wakeup wakeup_report; 3477 int i; 3478 bool report_wakeup_reason = true; 3479 3480 for (i = 0; i < adapter->priv_num; i++) { 3481 priv = adapter->priv[i]; 3482 if (priv && priv->netdev) 3483 netif_device_attach(priv->netdev); 3484 } 3485 3486 if (!wiphy->wowlan_config) 3487 goto done; 3488 3489 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3490 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3491 &wakeup_reason); 3492 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3493 3494 wakeup_report.pattern_idx = -1; 3495 3496 switch (wakeup_reason.hs_wakeup_reason) { 3497 case NO_HSWAKEUP_REASON: 3498 break; 3499 case BCAST_DATA_MATCHED: 3500 break; 3501 case MCAST_DATA_MATCHED: 3502 break; 3503 case UCAST_DATA_MATCHED: 3504 break; 3505 case MASKTABLE_EVENT_MATCHED: 3506 break; 3507 case NON_MASKABLE_EVENT_MATCHED: 3508 if (wiphy->wowlan_config->disconnect) 3509 wakeup_report.disconnect = true; 3510 if (wiphy->wowlan_config->nd_config) 3511 wakeup_report.net_detect = adapter->nd_info; 3512 break; 3513 case NON_MASKABLE_CONDITION_MATCHED: 3514 break; 3515 case MAGIC_PATTERN_MATCHED: 3516 if (wiphy->wowlan_config->magic_pkt) 3517 wakeup_report.magic_pkt = true; 3518 if (wiphy->wowlan_config->n_patterns) 3519 wakeup_report.pattern_idx = 1; 3520 break; 3521 case GTK_REKEY_FAILURE: 3522 if (wiphy->wowlan_config->gtk_rekey_failure) 3523 wakeup_report.gtk_rekey_failure = true; 3524 break; 3525 default: 3526 report_wakeup_reason = false; 3527 break; 3528 } 3529 3530 if (report_wakeup_reason) 3531 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3532 GFP_KERNEL); 3533 3534 done: 3535 if (adapter->nd_info) { 3536 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3537 kfree(adapter->nd_info->matches[i]); 3538 kfree(adapter->nd_info); 3539 adapter->nd_info = NULL; 3540 } 3541 3542 return 0; 3543 } 3544 3545 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3546 bool enabled) 3547 { 3548 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3549 3550 device_set_wakeup_enable(adapter->dev, enabled); 3551 } 3552 3553 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3554 struct cfg80211_gtk_rekey_data *data) 3555 { 3556 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3557 3558 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3559 HostCmd_ACT_GEN_SET, 0, data, true); 3560 } 3561 3562 #endif 3563 3564 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3565 { 3566 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3567 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3568 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3569 3570 if ((byte_seq[0] & 0x01) && 3571 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3572 return PACKET_TYPE_UNICAST; 3573 else if (!memcmp(byte_seq, bc_mac, 4)) 3574 return PACKET_TYPE_BROADCAST; 3575 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3576 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3577 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3578 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3579 return PACKET_TYPE_MULTICAST; 3580 3581 return 0; 3582 } 3583 3584 static int 3585 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3586 struct cfg80211_coalesce_rules *crule, 3587 struct mwifiex_coalesce_rule *mrule) 3588 { 3589 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3590 struct filt_field_param *param; 3591 int i; 3592 3593 mrule->max_coalescing_delay = crule->delay; 3594 3595 param = mrule->params; 3596 3597 for (i = 0; i < crule->n_patterns; i++) { 3598 memset(byte_seq, 0, sizeof(byte_seq)); 3599 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3600 byte_seq, 3601 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3602 mwifiex_dbg(priv->adapter, ERROR, 3603 "Pattern not supported\n"); 3604 return -EOPNOTSUPP; 3605 } 3606 3607 if (!crule->patterns[i].pkt_offset) { 3608 u8 pkt_type; 3609 3610 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3611 if (pkt_type && mrule->pkt_type) { 3612 mwifiex_dbg(priv->adapter, ERROR, 3613 "Multiple packet types not allowed\n"); 3614 return -EOPNOTSUPP; 3615 } else if (pkt_type) { 3616 mrule->pkt_type = pkt_type; 3617 continue; 3618 } 3619 } 3620 3621 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3622 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3623 else 3624 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3625 3626 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3627 memcpy(param->operand_byte_stream, byte_seq, 3628 param->operand_len); 3629 param->offset = crule->patterns[i].pkt_offset; 3630 param++; 3631 3632 mrule->num_of_fields++; 3633 } 3634 3635 if (!mrule->pkt_type) { 3636 mwifiex_dbg(priv->adapter, ERROR, 3637 "Packet type can not be determined\n"); 3638 return -EOPNOTSUPP; 3639 } 3640 3641 return 0; 3642 } 3643 3644 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3645 struct cfg80211_coalesce *coalesce) 3646 { 3647 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3648 int i, ret; 3649 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3650 struct mwifiex_private *priv = 3651 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3652 3653 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3654 if (!coalesce) { 3655 mwifiex_dbg(adapter, WARN, 3656 "Disable coalesce and reset all previous rules\n"); 3657 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3658 HostCmd_ACT_GEN_SET, 0, 3659 &coalesce_cfg, true); 3660 } 3661 3662 coalesce_cfg.num_of_rules = coalesce->n_rules; 3663 for (i = 0; i < coalesce->n_rules; i++) { 3664 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3665 &coalesce_cfg.rule[i]); 3666 if (ret) { 3667 mwifiex_dbg(adapter, ERROR, 3668 "Recheck the patterns provided for rule %d\n", 3669 i + 1); 3670 return ret; 3671 } 3672 } 3673 3674 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3675 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3676 } 3677 3678 /* cfg80211 ops handler for tdls_mgmt. 3679 * Function prepares TDLS action frame packets and forwards them to FW 3680 */ 3681 static int 3682 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3683 const u8 *peer, u8 action_code, u8 dialog_token, 3684 u16 status_code, u32 peer_capability, 3685 bool initiator, const u8 *extra_ies, 3686 size_t extra_ies_len) 3687 { 3688 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3689 int ret; 3690 3691 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3692 return -ENOTSUPP; 3693 3694 /* make sure we are in station mode and connected */ 3695 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3696 return -ENOTSUPP; 3697 3698 switch (action_code) { 3699 case WLAN_TDLS_SETUP_REQUEST: 3700 mwifiex_dbg(priv->adapter, MSG, 3701 "Send TDLS Setup Request to %pM status_code=%d\n", 3702 peer, status_code); 3703 mwifiex_add_auto_tdls_peer(priv, peer); 3704 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3705 dialog_token, status_code, 3706 extra_ies, extra_ies_len); 3707 break; 3708 case WLAN_TDLS_SETUP_RESPONSE: 3709 mwifiex_add_auto_tdls_peer(priv, peer); 3710 mwifiex_dbg(priv->adapter, MSG, 3711 "Send TDLS Setup Response to %pM status_code=%d\n", 3712 peer, status_code); 3713 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3714 dialog_token, status_code, 3715 extra_ies, extra_ies_len); 3716 break; 3717 case WLAN_TDLS_SETUP_CONFIRM: 3718 mwifiex_dbg(priv->adapter, MSG, 3719 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3720 status_code); 3721 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3722 dialog_token, status_code, 3723 extra_ies, extra_ies_len); 3724 break; 3725 case WLAN_TDLS_TEARDOWN: 3726 mwifiex_dbg(priv->adapter, MSG, 3727 "Send TDLS Tear down to %pM\n", peer); 3728 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3729 dialog_token, status_code, 3730 extra_ies, extra_ies_len); 3731 break; 3732 case WLAN_TDLS_DISCOVERY_REQUEST: 3733 mwifiex_dbg(priv->adapter, MSG, 3734 "Send TDLS Discovery Request to %pM\n", peer); 3735 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3736 dialog_token, status_code, 3737 extra_ies, extra_ies_len); 3738 break; 3739 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3740 mwifiex_dbg(priv->adapter, MSG, 3741 "Send TDLS Discovery Response to %pM\n", peer); 3742 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3743 dialog_token, status_code, 3744 extra_ies, extra_ies_len); 3745 break; 3746 default: 3747 mwifiex_dbg(priv->adapter, ERROR, 3748 "Unknown TDLS mgmt/action frame %pM\n", peer); 3749 ret = -EINVAL; 3750 break; 3751 } 3752 3753 return ret; 3754 } 3755 3756 static int 3757 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3758 const u8 *peer, enum nl80211_tdls_operation action) 3759 { 3760 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3761 3762 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3763 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3764 return -ENOTSUPP; 3765 3766 /* make sure we are in station mode and connected */ 3767 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3768 return -ENOTSUPP; 3769 3770 mwifiex_dbg(priv->adapter, MSG, 3771 "TDLS peer=%pM, oper=%d\n", peer, action); 3772 3773 switch (action) { 3774 case NL80211_TDLS_ENABLE_LINK: 3775 action = MWIFIEX_TDLS_ENABLE_LINK; 3776 break; 3777 case NL80211_TDLS_DISABLE_LINK: 3778 action = MWIFIEX_TDLS_DISABLE_LINK; 3779 break; 3780 case NL80211_TDLS_TEARDOWN: 3781 /* shouldn't happen!*/ 3782 mwifiex_dbg(priv->adapter, ERROR, 3783 "tdls_oper: teardown from driver not supported\n"); 3784 return -EINVAL; 3785 case NL80211_TDLS_SETUP: 3786 /* shouldn't happen!*/ 3787 mwifiex_dbg(priv->adapter, ERROR, 3788 "tdls_oper: setup from driver not supported\n"); 3789 return -EINVAL; 3790 case NL80211_TDLS_DISCOVERY_REQ: 3791 /* shouldn't happen!*/ 3792 mwifiex_dbg(priv->adapter, ERROR, 3793 "tdls_oper: discovery from driver not supported\n"); 3794 return -EINVAL; 3795 default: 3796 mwifiex_dbg(priv->adapter, ERROR, 3797 "tdls_oper: operation not supported\n"); 3798 return -ENOTSUPP; 3799 } 3800 3801 return mwifiex_tdls_oper(priv, peer, action); 3802 } 3803 3804 static int 3805 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3806 const u8 *addr, u8 oper_class, 3807 struct cfg80211_chan_def *chandef) 3808 { 3809 struct mwifiex_sta_node *sta_ptr; 3810 unsigned long flags; 3811 u16 chan; 3812 u8 second_chan_offset, band; 3813 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3814 3815 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3816 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3817 if (!sta_ptr) { 3818 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3819 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3820 __func__, addr); 3821 return -ENOENT; 3822 } 3823 3824 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3825 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3826 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3827 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3828 return -ENOENT; 3829 } 3830 3831 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3832 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3833 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3834 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3835 return -EALREADY; 3836 } 3837 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3838 3839 chan = chandef->chan->hw_value; 3840 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3841 band = chandef->chan->band; 3842 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3843 3844 return 0; 3845 } 3846 3847 static void 3848 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3849 struct net_device *dev, 3850 const u8 *addr) 3851 { 3852 struct mwifiex_sta_node *sta_ptr; 3853 unsigned long flags; 3854 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3855 3856 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3857 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3858 if (!sta_ptr) { 3859 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3860 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3861 __func__, addr); 3862 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3863 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3864 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3865 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3866 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3867 addr); 3868 } else { 3869 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3870 mwifiex_stop_tdls_cs(priv, addr); 3871 } 3872 } 3873 3874 static int 3875 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3876 const u8 *mac, struct station_parameters *params) 3877 { 3878 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3879 3880 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3881 return -ENOTSUPP; 3882 3883 /* make sure we are in station mode and connected */ 3884 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3885 return -ENOTSUPP; 3886 3887 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3888 } 3889 3890 static int 3891 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3892 struct cfg80211_csa_settings *params) 3893 { 3894 struct ieee_types_header *chsw_ie; 3895 struct ieee80211_channel_sw_ie *channel_sw; 3896 int chsw_msec; 3897 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3898 3899 if (priv->adapter->scan_processing) { 3900 mwifiex_dbg(priv->adapter, ERROR, 3901 "radar detection: scan in process...\n"); 3902 return -EBUSY; 3903 } 3904 3905 if (priv->wdev.cac_started) 3906 return -EBUSY; 3907 3908 if (cfg80211_chandef_identical(¶ms->chandef, 3909 &priv->dfs_chandef)) 3910 return -EINVAL; 3911 3912 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3913 params->beacon_csa.tail, 3914 params->beacon_csa.tail_len); 3915 if (!chsw_ie) { 3916 mwifiex_dbg(priv->adapter, ERROR, 3917 "Could not parse channel switch announcement IE\n"); 3918 return -EINVAL; 3919 } 3920 3921 channel_sw = (void *)(chsw_ie + 1); 3922 if (channel_sw->mode) { 3923 if (netif_carrier_ok(priv->netdev)) 3924 netif_carrier_off(priv->netdev); 3925 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3926 } 3927 3928 if (mwifiex_del_mgmt_ies(priv)) 3929 mwifiex_dbg(priv->adapter, ERROR, 3930 "Failed to delete mgmt IEs!\n"); 3931 3932 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3933 mwifiex_dbg(priv->adapter, ERROR, 3934 "%s: setting mgmt ies failed\n", __func__); 3935 return -EFAULT; 3936 } 3937 3938 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3939 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3940 sizeof(priv->beacon_after)); 3941 3942 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3943 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3944 msecs_to_jiffies(chsw_msec)); 3945 return 0; 3946 } 3947 3948 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3949 struct wireless_dev *wdev, 3950 struct cfg80211_chan_def *chandef) 3951 { 3952 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3953 struct mwifiex_bssdescriptor *curr_bss; 3954 struct ieee80211_channel *chan; 3955 enum nl80211_channel_type chan_type; 3956 enum nl80211_band band; 3957 int freq; 3958 int ret = -ENODATA; 3959 3960 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 3961 cfg80211_chandef_valid(&priv->bss_chandef)) { 3962 *chandef = priv->bss_chandef; 3963 ret = 0; 3964 } else if (priv->media_connected) { 3965 curr_bss = &priv->curr_bss_params.bss_descriptor; 3966 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 3967 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 3968 chan = ieee80211_get_channel(wiphy, freq); 3969 3970 if (priv->ht_param_present) { 3971 chan_type = mwifiex_get_chan_type(priv); 3972 cfg80211_chandef_create(chandef, chan, chan_type); 3973 } else { 3974 cfg80211_chandef_create(chandef, chan, 3975 NL80211_CHAN_NO_HT); 3976 } 3977 ret = 0; 3978 } 3979 3980 return ret; 3981 } 3982 3983 #ifdef CONFIG_NL80211_TESTMODE 3984 3985 enum mwifiex_tm_attr { 3986 __MWIFIEX_TM_ATTR_INVALID = 0, 3987 MWIFIEX_TM_ATTR_CMD = 1, 3988 MWIFIEX_TM_ATTR_DATA = 2, 3989 3990 /* keep last */ 3991 __MWIFIEX_TM_ATTR_AFTER_LAST, 3992 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 3993 }; 3994 3995 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 3996 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 3997 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 3998 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 3999 }; 4000 4001 enum mwifiex_tm_command { 4002 MWIFIEX_TM_CMD_HOSTCMD = 0, 4003 }; 4004 4005 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 4006 void *data, int len) 4007 { 4008 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4009 struct mwifiex_ds_misc_cmd *hostcmd; 4010 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 4011 struct sk_buff *skb; 4012 int err; 4013 4014 if (!priv) 4015 return -EINVAL; 4016 4017 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy, 4018 NULL); 4019 if (err) 4020 return err; 4021 4022 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4023 return -EINVAL; 4024 4025 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4026 case MWIFIEX_TM_CMD_HOSTCMD: 4027 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4028 return -EINVAL; 4029 4030 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); 4031 if (!hostcmd) 4032 return -ENOMEM; 4033 4034 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4035 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4036 hostcmd->len); 4037 4038 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4039 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4040 return -EFAULT; 4041 } 4042 4043 /* process hostcmd response*/ 4044 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4045 if (!skb) 4046 return -ENOMEM; 4047 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4048 hostcmd->len, hostcmd->cmd); 4049 if (err) { 4050 kfree_skb(skb); 4051 return -EMSGSIZE; 4052 } 4053 4054 err = cfg80211_testmode_reply(skb); 4055 kfree(hostcmd); 4056 return err; 4057 default: 4058 return -EOPNOTSUPP; 4059 } 4060 } 4061 #endif 4062 4063 static int 4064 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4065 struct net_device *dev, 4066 struct cfg80211_chan_def *chandef, 4067 u32 cac_time_ms) 4068 { 4069 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4070 struct mwifiex_radar_params radar_params; 4071 4072 if (priv->adapter->scan_processing) { 4073 mwifiex_dbg(priv->adapter, ERROR, 4074 "radar detection: scan already in process...\n"); 4075 return -EBUSY; 4076 } 4077 4078 if (!mwifiex_is_11h_active(priv)) { 4079 mwifiex_dbg(priv->adapter, INFO, 4080 "Enable 11h extensions in FW\n"); 4081 if (mwifiex_11h_activate(priv, true)) { 4082 mwifiex_dbg(priv->adapter, ERROR, 4083 "Failed to activate 11h extensions!!"); 4084 return -1; 4085 } 4086 priv->state_11h.is_11h_active = true; 4087 } 4088 4089 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4090 radar_params.chandef = chandef; 4091 radar_params.cac_time_ms = cac_time_ms; 4092 4093 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4094 4095 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4096 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4097 return -1; 4098 4099 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4100 msecs_to_jiffies(cac_time_ms)); 4101 return 0; 4102 } 4103 4104 static int 4105 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 4106 const u8 *mac, 4107 struct station_parameters *params) 4108 { 4109 int ret; 4110 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4111 4112 /* we support change_station handler only for TDLS peers*/ 4113 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4114 return -ENOTSUPP; 4115 4116 /* make sure we are in station mode and connected */ 4117 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4118 return -ENOTSUPP; 4119 4120 priv->sta_params = params; 4121 4122 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4123 priv->sta_params = NULL; 4124 4125 return ret; 4126 } 4127 4128 /* station cfg80211 operations */ 4129 static struct cfg80211_ops mwifiex_cfg80211_ops = { 4130 .add_virtual_intf = mwifiex_add_virtual_intf, 4131 .del_virtual_intf = mwifiex_del_virtual_intf, 4132 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4133 .scan = mwifiex_cfg80211_scan, 4134 .connect = mwifiex_cfg80211_connect, 4135 .disconnect = mwifiex_cfg80211_disconnect, 4136 .get_station = mwifiex_cfg80211_get_station, 4137 .dump_station = mwifiex_cfg80211_dump_station, 4138 .dump_survey = mwifiex_cfg80211_dump_survey, 4139 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4140 .join_ibss = mwifiex_cfg80211_join_ibss, 4141 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4142 .add_key = mwifiex_cfg80211_add_key, 4143 .del_key = mwifiex_cfg80211_del_key, 4144 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4145 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4146 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 4147 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4148 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4149 .set_default_key = mwifiex_cfg80211_set_default_key, 4150 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4151 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4152 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4153 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4154 .start_ap = mwifiex_cfg80211_start_ap, 4155 .stop_ap = mwifiex_cfg80211_stop_ap, 4156 .change_beacon = mwifiex_cfg80211_change_beacon, 4157 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4158 .set_antenna = mwifiex_cfg80211_set_antenna, 4159 .get_antenna = mwifiex_cfg80211_get_antenna, 4160 .del_station = mwifiex_cfg80211_del_station, 4161 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4162 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4163 #ifdef CONFIG_PM 4164 .suspend = mwifiex_cfg80211_suspend, 4165 .resume = mwifiex_cfg80211_resume, 4166 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4167 .set_rekey_data = mwifiex_set_rekey_data, 4168 #endif 4169 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4170 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4171 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4172 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4173 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4174 .add_station = mwifiex_cfg80211_add_station, 4175 .change_station = mwifiex_cfg80211_change_station, 4176 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4177 .get_channel = mwifiex_cfg80211_get_channel, 4178 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4179 .channel_switch = mwifiex_cfg80211_channel_switch, 4180 }; 4181 4182 #ifdef CONFIG_PM 4183 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4184 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4185 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4186 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4187 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4188 .pattern_min_len = 1, 4189 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4190 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4191 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4192 }; 4193 #endif 4194 4195 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4196 { 4197 if (!alpha2 || strlen(alpha2) != 2) 4198 return false; 4199 4200 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4201 return true; 4202 4203 return false; 4204 } 4205 4206 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4207 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4208 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4209 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4210 .pattern_min_len = 1, 4211 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4212 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4213 }; 4214 4215 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4216 { 4217 u32 n_channels_bg, n_channels_a = 0; 4218 4219 n_channels_bg = mwifiex_band_2ghz.n_channels; 4220 4221 if (adapter->config_bands & BAND_A) 4222 n_channels_a = mwifiex_band_5ghz.n_channels; 4223 4224 /* allocate twice the number total channels, since the driver issues an 4225 * additional active scan request for hidden SSIDs on passive channels. 4226 */ 4227 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); 4228 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * 4229 adapter->num_in_chan_stats); 4230 4231 if (!adapter->chan_stats) 4232 return -ENOMEM; 4233 4234 return 0; 4235 } 4236 4237 /* 4238 * This function registers the device with CFG802.11 subsystem. 4239 * 4240 * The function creates the wireless device/wiphy, populates it with 4241 * default parameters and handler function pointers, and finally 4242 * registers the device. 4243 */ 4244 4245 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4246 { 4247 int ret; 4248 void *wdev_priv; 4249 struct wiphy *wiphy; 4250 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4251 u8 *country_code; 4252 u32 thr, retry; 4253 4254 /* create a new wiphy for use with cfg80211 */ 4255 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4256 sizeof(struct mwifiex_adapter *)); 4257 if (!wiphy) { 4258 mwifiex_dbg(adapter, ERROR, 4259 "%s: creating new wiphy\n", __func__); 4260 return -ENOMEM; 4261 } 4262 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4263 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4264 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4265 wiphy->max_remain_on_channel_duration = 5000; 4266 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4267 BIT(NL80211_IFTYPE_ADHOC) | 4268 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4269 BIT(NL80211_IFTYPE_P2P_GO) | 4270 BIT(NL80211_IFTYPE_AP); 4271 4272 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4273 if (adapter->config_bands & BAND_A) 4274 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4275 else 4276 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4277 4278 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4279 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4280 else if (adapter->is_hw_11ac_capable) 4281 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4282 else 4283 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4284 wiphy->n_iface_combinations = 1; 4285 4286 /* Initialize cipher suits */ 4287 wiphy->cipher_suites = mwifiex_cipher_suites; 4288 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4289 4290 if (adapter->regd) { 4291 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4292 REGULATORY_DISABLE_BEACON_HINTS | 4293 REGULATORY_COUNTRY_IE_IGNORE; 4294 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4295 } 4296 4297 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4298 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4299 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4300 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4301 WIPHY_FLAG_AP_UAPSD | 4302 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4303 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4304 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4305 4306 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4307 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4308 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4309 4310 #ifdef CONFIG_PM 4311 wiphy->wowlan = &mwifiex_wowlan_support; 4312 #endif 4313 4314 wiphy->coalesce = &mwifiex_coalesce_support; 4315 4316 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4317 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4318 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4319 4320 wiphy->max_sched_scan_reqs = 1; 4321 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4322 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4323 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4324 4325 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4326 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4327 4328 wiphy->features |= NL80211_FEATURE_HT_IBSS | 4329 NL80211_FEATURE_INACTIVITY_TIMER | 4330 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4331 NL80211_FEATURE_NEED_OBSS_SCAN; 4332 4333 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) 4334 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4335 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4336 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4337 4338 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4339 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4340 4341 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4342 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4343 4344 /* Reserve space for mwifiex specific private data for BSS */ 4345 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4346 4347 wiphy->reg_notifier = mwifiex_reg_notifier; 4348 4349 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4350 wdev_priv = wiphy_priv(wiphy); 4351 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4352 4353 set_wiphy_dev(wiphy, priv->adapter->dev); 4354 4355 ret = wiphy_register(wiphy); 4356 if (ret < 0) { 4357 mwifiex_dbg(adapter, ERROR, 4358 "%s: wiphy_register failed: %d\n", __func__, ret); 4359 wiphy_free(wiphy); 4360 return ret; 4361 } 4362 4363 if (!adapter->regd) { 4364 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4365 mwifiex_dbg(adapter, INFO, 4366 "driver hint alpha2: %2.2s\n", reg_alpha2); 4367 regulatory_hint(wiphy, reg_alpha2); 4368 } else { 4369 if (adapter->region_code == 0x00) { 4370 mwifiex_dbg(adapter, WARN, 4371 "Ignore world regulatory domain\n"); 4372 } else { 4373 wiphy->regulatory_flags |= 4374 REGULATORY_DISABLE_BEACON_HINTS | 4375 REGULATORY_COUNTRY_IE_IGNORE; 4376 country_code = 4377 mwifiex_11d_code_2_region( 4378 adapter->region_code); 4379 if (country_code && 4380 regulatory_hint(wiphy, country_code)) 4381 mwifiex_dbg(priv->adapter, ERROR, 4382 "regulatory_hint() failed\n"); 4383 } 4384 } 4385 } 4386 4387 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4388 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4389 wiphy->frag_threshold = thr; 4390 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4391 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4392 wiphy->rts_threshold = thr; 4393 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4394 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4395 wiphy->retry_short = (u8) retry; 4396 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4397 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4398 wiphy->retry_long = (u8) retry; 4399 4400 adapter->wiphy = wiphy; 4401 return ret; 4402 } 4403