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 switch (type) { 380 case NL80211_TX_POWER_FIXED: 381 power_cfg.is_power_auto = 0; 382 power_cfg.is_power_fixed = 1; 383 power_cfg.power_level = dbm; 384 break; 385 case NL80211_TX_POWER_LIMITED: 386 power_cfg.is_power_auto = 0; 387 power_cfg.is_power_fixed = 0; 388 power_cfg.power_level = dbm; 389 break; 390 case NL80211_TX_POWER_AUTOMATIC: 391 power_cfg.is_power_auto = 1; 392 break; 393 } 394 395 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 396 397 return mwifiex_set_tx_power(priv, &power_cfg); 398 } 399 400 /* 401 * CFG802.11 operation handler to get Tx power. 402 */ 403 static int 404 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, 405 struct wireless_dev *wdev, 406 int *dbm) 407 { 408 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 409 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 410 MWIFIEX_BSS_ROLE_ANY); 411 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 412 HostCmd_ACT_GEN_GET, 0, NULL, true); 413 414 if (ret < 0) 415 return ret; 416 417 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 418 *dbm = priv->tx_power_level; 419 420 return 0; 421 } 422 423 /* 424 * CFG802.11 operation handler to set Power Save option. 425 * 426 * The timeout value, if provided, is currently ignored. 427 */ 428 static int 429 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 430 struct net_device *dev, 431 bool enabled, int timeout) 432 { 433 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 434 u32 ps_mode; 435 436 if (timeout) 437 mwifiex_dbg(priv->adapter, INFO, 438 "info: ignore timeout value for IEEE Power Save\n"); 439 440 ps_mode = enabled; 441 442 return mwifiex_drv_set_power(priv, &ps_mode); 443 } 444 445 /* 446 * CFG802.11 operation handler to set the default network key. 447 */ 448 static int 449 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 450 u8 key_index, bool unicast, 451 bool multicast) 452 { 453 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 454 455 /* Return if WEP key not configured */ 456 if (!priv->sec_info.wep_enabled) 457 return 0; 458 459 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 460 priv->wep_key_curr_index = key_index; 461 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 462 NULL, 0)) { 463 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 464 return -EFAULT; 465 } 466 467 return 0; 468 } 469 470 /* 471 * CFG802.11 operation handler to add a network key. 472 */ 473 static int 474 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 475 u8 key_index, bool pairwise, const u8 *mac_addr, 476 struct key_params *params) 477 { 478 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 479 struct mwifiex_wep_key *wep_key; 480 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 481 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 482 483 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 484 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 485 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 486 if (params->key && params->key_len) { 487 wep_key = &priv->wep_key[key_index]; 488 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 489 memcpy(wep_key->key_material, params->key, 490 params->key_len); 491 wep_key->key_index = key_index; 492 wep_key->key_length = params->key_len; 493 priv->sec_info.wep_enabled = 1; 494 } 495 return 0; 496 } 497 498 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 499 key_index, peer_mac, 0)) { 500 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 501 return -EFAULT; 502 } 503 504 return 0; 505 } 506 507 /* 508 * CFG802.11 operation handler to set default mgmt key. 509 */ 510 static int 511 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, 512 struct net_device *netdev, 513 u8 key_index) 514 { 515 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 516 struct mwifiex_ds_encrypt_key encrypt_key; 517 518 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); 519 520 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); 521 encrypt_key.key_len = WLAN_KEY_LEN_CCMP; 522 encrypt_key.key_index = key_index; 523 encrypt_key.is_igtk_def_key = true; 524 eth_broadcast_addr(encrypt_key.mac_addr); 525 526 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 527 HostCmd_ACT_GEN_SET, true, &encrypt_key, true); 528 } 529 530 /* 531 * This function sends domain information to the firmware. 532 * 533 * The following information are passed to the firmware - 534 * - Country codes 535 * - Sub bands (first channel, number of channels, maximum Tx power) 536 */ 537 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 538 { 539 u8 no_of_triplet = 0; 540 struct ieee80211_country_ie_triplet *t; 541 u8 no_of_parsed_chan = 0; 542 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 543 u8 i, flag = 0; 544 enum nl80211_band band; 545 struct ieee80211_supported_band *sband; 546 struct ieee80211_channel *ch; 547 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 548 struct mwifiex_private *priv; 549 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 550 551 /* Set country code */ 552 domain_info->country_code[0] = adapter->country_code[0]; 553 domain_info->country_code[1] = adapter->country_code[1]; 554 domain_info->country_code[2] = ' '; 555 556 band = mwifiex_band_to_radio_type(adapter->config_bands); 557 if (!wiphy->bands[band]) { 558 mwifiex_dbg(adapter, ERROR, 559 "11D: setting domain info in FW\n"); 560 return -1; 561 } 562 563 sband = wiphy->bands[band]; 564 565 for (i = 0; i < sband->n_channels ; i++) { 566 ch = &sband->channels[i]; 567 if (ch->flags & IEEE80211_CHAN_DISABLED) 568 continue; 569 570 if (!flag) { 571 flag = 1; 572 first_chan = (u32) ch->hw_value; 573 next_chan = first_chan; 574 max_pwr = ch->max_power; 575 no_of_parsed_chan = 1; 576 continue; 577 } 578 579 if (ch->hw_value == next_chan + 1 && 580 ch->max_power == max_pwr) { 581 next_chan++; 582 no_of_parsed_chan++; 583 } else { 584 t = &domain_info->triplet[no_of_triplet]; 585 t->chans.first_channel = first_chan; 586 t->chans.num_channels = no_of_parsed_chan; 587 t->chans.max_power = max_pwr; 588 no_of_triplet++; 589 first_chan = (u32) ch->hw_value; 590 next_chan = first_chan; 591 max_pwr = ch->max_power; 592 no_of_parsed_chan = 1; 593 } 594 } 595 596 if (flag) { 597 t = &domain_info->triplet[no_of_triplet]; 598 t->chans.first_channel = first_chan; 599 t->chans.num_channels = no_of_parsed_chan; 600 t->chans.max_power = max_pwr; 601 no_of_triplet++; 602 } 603 604 domain_info->no_of_triplet = no_of_triplet; 605 606 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 607 608 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 609 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 610 mwifiex_dbg(adapter, INFO, 611 "11D: setting domain info in FW\n"); 612 return -1; 613 } 614 615 return 0; 616 } 617 618 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy) 619 { 620 struct ieee80211_supported_band *sband; 621 struct ieee80211_channel *chan; 622 unsigned int i; 623 624 if (!wiphy->bands[NL80211_BAND_5GHZ]) 625 return; 626 sband = wiphy->bands[NL80211_BAND_5GHZ]; 627 628 for (i = 0; i < sband->n_channels; i++) { 629 chan = &sband->channels[i]; 630 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && 631 (chan->flags & IEEE80211_CHAN_RADAR)) 632 chan->flags |= IEEE80211_CHAN_NO_IR; 633 } 634 } 635 636 /* 637 * CFG802.11 regulatory domain callback function. 638 * 639 * This function is called when the regulatory domain is changed due to the 640 * following reasons - 641 * - Set by driver 642 * - Set by system core 643 * - Set by user 644 * - Set bt Country IE 645 */ 646 static void mwifiex_reg_notifier(struct wiphy *wiphy, 647 struct regulatory_request *request) 648 { 649 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 650 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 651 MWIFIEX_BSS_ROLE_ANY); 652 mwifiex_dbg(adapter, INFO, 653 "info: cfg80211 regulatory domain callback for %c%c\n", 654 request->alpha2[0], request->alpha2[1]); 655 mwifiex_reg_apply_radar_flags(wiphy); 656 657 switch (request->initiator) { 658 case NL80211_REGDOM_SET_BY_DRIVER: 659 case NL80211_REGDOM_SET_BY_CORE: 660 case NL80211_REGDOM_SET_BY_USER: 661 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 662 break; 663 default: 664 mwifiex_dbg(adapter, ERROR, 665 "unknown regdom initiator: %d\n", 666 request->initiator); 667 return; 668 } 669 670 /* Don't send world or same regdom info to firmware */ 671 if (strncmp(request->alpha2, "00", 2) && 672 strncmp(request->alpha2, adapter->country_code, 673 sizeof(request->alpha2))) { 674 memcpy(adapter->country_code, request->alpha2, 675 sizeof(request->alpha2)); 676 mwifiex_send_domain_info_cmd_fw(wiphy); 677 mwifiex_dnld_txpwr_table(priv); 678 } 679 } 680 681 /* 682 * This function sets the fragmentation threshold. 683 * 684 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 685 * and MWIFIEX_FRAG_MAX_VALUE. 686 */ 687 static int 688 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 689 { 690 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 691 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 692 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 693 694 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 695 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 696 &frag_thr, true); 697 } 698 699 /* 700 * This function sets the RTS threshold. 701 702 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 703 * and MWIFIEX_RTS_MAX_VALUE. 704 */ 705 static int 706 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 707 { 708 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 709 rts_thr = MWIFIEX_RTS_MAX_VALUE; 710 711 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 712 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 713 &rts_thr, true); 714 } 715 716 /* 717 * CFG802.11 operation handler to set wiphy parameters. 718 * 719 * This function can be used to set the RTS threshold and the 720 * Fragmentation threshold of the driver. 721 */ 722 static int 723 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 724 { 725 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 726 struct mwifiex_private *priv; 727 struct mwifiex_uap_bss_param *bss_cfg; 728 int ret; 729 730 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 731 732 switch (priv->bss_role) { 733 case MWIFIEX_BSS_ROLE_UAP: 734 if (priv->bss_started) { 735 mwifiex_dbg(adapter, ERROR, 736 "cannot change wiphy params when bss started"); 737 return -EINVAL; 738 } 739 740 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 741 if (!bss_cfg) 742 return -ENOMEM; 743 744 mwifiex_set_sys_config_invalid_data(bss_cfg); 745 746 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 747 bss_cfg->rts_threshold = wiphy->rts_threshold; 748 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 749 bss_cfg->frag_threshold = wiphy->frag_threshold; 750 if (changed & WIPHY_PARAM_RETRY_LONG) 751 bss_cfg->retry_limit = wiphy->retry_long; 752 753 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 754 HostCmd_ACT_GEN_SET, 755 UAP_BSS_PARAMS_I, bss_cfg, 756 false); 757 758 kfree(bss_cfg); 759 if (ret) { 760 mwifiex_dbg(adapter, ERROR, 761 "Failed to set wiphy phy params\n"); 762 return ret; 763 } 764 break; 765 766 case MWIFIEX_BSS_ROLE_STA: 767 if (priv->media_connected) { 768 mwifiex_dbg(adapter, ERROR, 769 "cannot change wiphy params when connected"); 770 return -EINVAL; 771 } 772 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 773 ret = mwifiex_set_rts(priv, 774 wiphy->rts_threshold); 775 if (ret) 776 return ret; 777 } 778 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 779 ret = mwifiex_set_frag(priv, 780 wiphy->frag_threshold); 781 if (ret) 782 return ret; 783 } 784 break; 785 } 786 787 return 0; 788 } 789 790 static int 791 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 792 { 793 u16 mode = P2P_MODE_DISABLE; 794 795 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 796 HostCmd_ACT_GEN_SET, 0, &mode, true)) 797 return -1; 798 799 return 0; 800 } 801 802 /* 803 * This function initializes the functionalities for P2P client. 804 * The P2P client initialization sequence is: 805 * disable -> device -> client 806 */ 807 static int 808 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 809 { 810 u16 mode; 811 812 if (mwifiex_cfg80211_deinit_p2p(priv)) 813 return -1; 814 815 mode = P2P_MODE_DEVICE; 816 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 817 HostCmd_ACT_GEN_SET, 0, &mode, true)) 818 return -1; 819 820 mode = P2P_MODE_CLIENT; 821 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 822 HostCmd_ACT_GEN_SET, 0, &mode, true)) 823 return -1; 824 825 return 0; 826 } 827 828 /* 829 * This function initializes the functionalities for P2P GO. 830 * The P2P GO initialization sequence is: 831 * disable -> device -> GO 832 */ 833 static int 834 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 835 { 836 u16 mode; 837 838 if (mwifiex_cfg80211_deinit_p2p(priv)) 839 return -1; 840 841 mode = P2P_MODE_DEVICE; 842 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 843 HostCmd_ACT_GEN_SET, 0, &mode, true)) 844 return -1; 845 846 mode = P2P_MODE_GO; 847 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 848 HostCmd_ACT_GEN_SET, 0, &mode, true)) 849 return -1; 850 851 return 0; 852 } 853 854 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 855 { 856 struct mwifiex_adapter *adapter = priv->adapter; 857 unsigned long flags; 858 859 priv->mgmt_frame_mask = 0; 860 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 861 HostCmd_ACT_GEN_SET, 0, 862 &priv->mgmt_frame_mask, false)) { 863 mwifiex_dbg(adapter, ERROR, 864 "could not unregister mgmt frame rx\n"); 865 return -1; 866 } 867 868 mwifiex_deauthenticate(priv, NULL); 869 870 spin_lock_irqsave(&adapter->main_proc_lock, flags); 871 adapter->main_locked = true; 872 if (adapter->mwifiex_processing) { 873 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 874 flush_workqueue(adapter->workqueue); 875 } else { 876 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 877 } 878 879 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 880 adapter->rx_locked = true; 881 if (adapter->rx_processing) { 882 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 883 flush_workqueue(adapter->rx_workqueue); 884 } else { 885 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 886 } 887 888 mwifiex_free_priv(priv); 889 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 890 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 891 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 892 893 return 0; 894 } 895 896 static int 897 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 898 struct net_device *dev, 899 enum nl80211_iftype type) 900 { 901 struct mwifiex_adapter *adapter = priv->adapter; 902 unsigned long flags; 903 904 mwifiex_init_priv(priv); 905 906 priv->bss_mode = type; 907 priv->wdev.iftype = type; 908 909 mwifiex_init_priv_params(priv, priv->netdev); 910 priv->bss_started = 0; 911 912 switch (type) { 913 case NL80211_IFTYPE_STATION: 914 case NL80211_IFTYPE_ADHOC: 915 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 916 break; 917 case NL80211_IFTYPE_P2P_CLIENT: 918 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 919 break; 920 case NL80211_IFTYPE_P2P_GO: 921 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 922 break; 923 case NL80211_IFTYPE_AP: 924 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 925 break; 926 default: 927 mwifiex_dbg(adapter, ERROR, 928 "%s: changing to %d not supported\n", 929 dev->name, type); 930 return -EOPNOTSUPP; 931 } 932 933 spin_lock_irqsave(&adapter->main_proc_lock, flags); 934 adapter->main_locked = false; 935 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 936 937 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 938 adapter->rx_locked = false; 939 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 940 941 mwifiex_set_mac_address(priv, dev, false, NULL); 942 943 return 0; 944 } 945 946 static int 947 mwifiex_change_vif_to_p2p(struct net_device *dev, 948 enum nl80211_iftype curr_iftype, 949 enum nl80211_iftype type, 950 struct vif_params *params) 951 { 952 struct mwifiex_private *priv; 953 struct mwifiex_adapter *adapter; 954 955 priv = mwifiex_netdev_get_priv(dev); 956 957 if (!priv) 958 return -1; 959 960 adapter = priv->adapter; 961 962 if (adapter->curr_iface_comb.p2p_intf == 963 adapter->iface_limit.p2p_intf) { 964 mwifiex_dbg(adapter, ERROR, 965 "cannot create multiple P2P ifaces\n"); 966 return -1; 967 } 968 969 mwifiex_dbg(adapter, INFO, 970 "%s: changing role to p2p\n", dev->name); 971 972 if (mwifiex_deinit_priv_params(priv)) 973 return -1; 974 if (mwifiex_init_new_priv_params(priv, dev, type)) 975 return -1; 976 977 switch (type) { 978 case NL80211_IFTYPE_P2P_CLIENT: 979 if (mwifiex_cfg80211_init_p2p_client(priv)) 980 return -EFAULT; 981 break; 982 case NL80211_IFTYPE_P2P_GO: 983 if (mwifiex_cfg80211_init_p2p_go(priv)) 984 return -EFAULT; 985 break; 986 default: 987 mwifiex_dbg(adapter, ERROR, 988 "%s: changing to %d not supported\n", 989 dev->name, type); 990 return -EOPNOTSUPP; 991 } 992 993 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 994 HostCmd_ACT_GEN_SET, 0, NULL, true)) 995 return -1; 996 997 if (mwifiex_sta_init_cmd(priv, false, false)) 998 return -1; 999 1000 switch (curr_iftype) { 1001 case NL80211_IFTYPE_STATION: 1002 case NL80211_IFTYPE_ADHOC: 1003 adapter->curr_iface_comb.sta_intf--; 1004 break; 1005 case NL80211_IFTYPE_AP: 1006 adapter->curr_iface_comb.uap_intf--; 1007 break; 1008 default: 1009 break; 1010 } 1011 1012 adapter->curr_iface_comb.p2p_intf++; 1013 dev->ieee80211_ptr->iftype = type; 1014 1015 return 0; 1016 } 1017 1018 static int 1019 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 1020 enum nl80211_iftype curr_iftype, 1021 enum nl80211_iftype type, 1022 struct vif_params *params) 1023 { 1024 struct mwifiex_private *priv; 1025 struct mwifiex_adapter *adapter; 1026 1027 priv = mwifiex_netdev_get_priv(dev); 1028 1029 if (!priv) 1030 return -1; 1031 1032 adapter = priv->adapter; 1033 1034 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && 1035 curr_iftype != NL80211_IFTYPE_P2P_GO) && 1036 (adapter->curr_iface_comb.sta_intf == 1037 adapter->iface_limit.sta_intf)) { 1038 mwifiex_dbg(adapter, ERROR, 1039 "cannot create multiple station/adhoc ifaces\n"); 1040 return -1; 1041 } 1042 1043 if (type == NL80211_IFTYPE_STATION) 1044 mwifiex_dbg(adapter, INFO, 1045 "%s: changing role to station\n", dev->name); 1046 else 1047 mwifiex_dbg(adapter, INFO, 1048 "%s: changing role to adhoc\n", dev->name); 1049 1050 if (mwifiex_deinit_priv_params(priv)) 1051 return -1; 1052 if (mwifiex_init_new_priv_params(priv, dev, type)) 1053 return -1; 1054 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1055 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1056 return -1; 1057 if (mwifiex_sta_init_cmd(priv, false, false)) 1058 return -1; 1059 1060 switch (curr_iftype) { 1061 case NL80211_IFTYPE_P2P_CLIENT: 1062 case NL80211_IFTYPE_P2P_GO: 1063 adapter->curr_iface_comb.p2p_intf--; 1064 break; 1065 case NL80211_IFTYPE_AP: 1066 adapter->curr_iface_comb.uap_intf--; 1067 break; 1068 default: 1069 break; 1070 } 1071 1072 adapter->curr_iface_comb.sta_intf++; 1073 dev->ieee80211_ptr->iftype = type; 1074 return 0; 1075 } 1076 1077 static int 1078 mwifiex_change_vif_to_ap(struct net_device *dev, 1079 enum nl80211_iftype curr_iftype, 1080 enum nl80211_iftype type, 1081 struct vif_params *params) 1082 { 1083 struct mwifiex_private *priv; 1084 struct mwifiex_adapter *adapter; 1085 1086 priv = mwifiex_netdev_get_priv(dev); 1087 1088 if (!priv) 1089 return -1; 1090 1091 adapter = priv->adapter; 1092 1093 if (adapter->curr_iface_comb.uap_intf == 1094 adapter->iface_limit.uap_intf) { 1095 mwifiex_dbg(adapter, ERROR, 1096 "cannot create multiple AP ifaces\n"); 1097 return -1; 1098 } 1099 1100 mwifiex_dbg(adapter, INFO, 1101 "%s: changing role to AP\n", dev->name); 1102 1103 if (mwifiex_deinit_priv_params(priv)) 1104 return -1; 1105 if (mwifiex_init_new_priv_params(priv, dev, type)) 1106 return -1; 1107 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1108 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1109 return -1; 1110 if (mwifiex_sta_init_cmd(priv, false, false)) 1111 return -1; 1112 1113 switch (curr_iftype) { 1114 case NL80211_IFTYPE_P2P_CLIENT: 1115 case NL80211_IFTYPE_P2P_GO: 1116 adapter->curr_iface_comb.p2p_intf--; 1117 break; 1118 case NL80211_IFTYPE_STATION: 1119 case NL80211_IFTYPE_ADHOC: 1120 adapter->curr_iface_comb.sta_intf--; 1121 break; 1122 default: 1123 break; 1124 } 1125 1126 adapter->curr_iface_comb.uap_intf++; 1127 dev->ieee80211_ptr->iftype = type; 1128 return 0; 1129 } 1130 /* 1131 * CFG802.11 operation handler to change interface type. 1132 */ 1133 static int 1134 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1135 struct net_device *dev, 1136 enum nl80211_iftype type, 1137 struct vif_params *params) 1138 { 1139 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1140 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1141 1142 if (priv->scan_request) { 1143 mwifiex_dbg(priv->adapter, ERROR, 1144 "change virtual interface: scan in process\n"); 1145 return -EBUSY; 1146 } 1147 1148 switch (curr_iftype) { 1149 case NL80211_IFTYPE_ADHOC: 1150 switch (type) { 1151 case NL80211_IFTYPE_STATION: 1152 priv->bss_mode = type; 1153 priv->sec_info.authentication_mode = 1154 NL80211_AUTHTYPE_OPEN_SYSTEM; 1155 dev->ieee80211_ptr->iftype = type; 1156 mwifiex_deauthenticate(priv, NULL); 1157 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1158 HostCmd_ACT_GEN_SET, 0, NULL, 1159 true); 1160 case NL80211_IFTYPE_P2P_CLIENT: 1161 case NL80211_IFTYPE_P2P_GO: 1162 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1163 type, params); 1164 case NL80211_IFTYPE_AP: 1165 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1166 params); 1167 case NL80211_IFTYPE_UNSPECIFIED: 1168 mwifiex_dbg(priv->adapter, INFO, 1169 "%s: kept type as IBSS\n", dev->name); 1170 /* fall through */ 1171 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ 1172 return 0; 1173 default: 1174 mwifiex_dbg(priv->adapter, ERROR, 1175 "%s: changing to %d not supported\n", 1176 dev->name, type); 1177 return -EOPNOTSUPP; 1178 } 1179 break; 1180 case NL80211_IFTYPE_STATION: 1181 switch (type) { 1182 case NL80211_IFTYPE_ADHOC: 1183 priv->bss_mode = type; 1184 priv->sec_info.authentication_mode = 1185 NL80211_AUTHTYPE_OPEN_SYSTEM; 1186 dev->ieee80211_ptr->iftype = type; 1187 mwifiex_deauthenticate(priv, NULL); 1188 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1189 HostCmd_ACT_GEN_SET, 0, NULL, 1190 true); 1191 case NL80211_IFTYPE_P2P_CLIENT: 1192 case NL80211_IFTYPE_P2P_GO: 1193 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1194 type, params); 1195 case NL80211_IFTYPE_AP: 1196 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1197 params); 1198 case NL80211_IFTYPE_UNSPECIFIED: 1199 mwifiex_dbg(priv->adapter, INFO, 1200 "%s: kept type as STA\n", dev->name); 1201 /* fall through */ 1202 case NL80211_IFTYPE_STATION: /* This shouldn't happen */ 1203 return 0; 1204 default: 1205 mwifiex_dbg(priv->adapter, ERROR, 1206 "%s: changing to %d not supported\n", 1207 dev->name, type); 1208 return -EOPNOTSUPP; 1209 } 1210 break; 1211 case NL80211_IFTYPE_AP: 1212 switch (type) { 1213 case NL80211_IFTYPE_ADHOC: 1214 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1215 type, params); 1216 break; 1217 case NL80211_IFTYPE_P2P_CLIENT: 1218 case NL80211_IFTYPE_P2P_GO: 1219 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1220 type, params); 1221 case NL80211_IFTYPE_UNSPECIFIED: 1222 mwifiex_dbg(priv->adapter, INFO, 1223 "%s: kept type as AP\n", dev->name); 1224 /* fall through */ 1225 case NL80211_IFTYPE_AP: /* This shouldn't happen */ 1226 return 0; 1227 default: 1228 mwifiex_dbg(priv->adapter, ERROR, 1229 "%s: changing to %d not supported\n", 1230 dev->name, type); 1231 return -EOPNOTSUPP; 1232 } 1233 break; 1234 case NL80211_IFTYPE_P2P_CLIENT: 1235 case NL80211_IFTYPE_P2P_GO: 1236 switch (type) { 1237 case NL80211_IFTYPE_STATION: 1238 if (mwifiex_cfg80211_deinit_p2p(priv)) 1239 return -EFAULT; 1240 priv->adapter->curr_iface_comb.p2p_intf--; 1241 priv->adapter->curr_iface_comb.sta_intf++; 1242 dev->ieee80211_ptr->iftype = type; 1243 if (mwifiex_deinit_priv_params(priv)) 1244 return -1; 1245 if (mwifiex_init_new_priv_params(priv, dev, type)) 1246 return -1; 1247 if (mwifiex_sta_init_cmd(priv, false, false)) 1248 return -1; 1249 break; 1250 case NL80211_IFTYPE_ADHOC: 1251 if (mwifiex_cfg80211_deinit_p2p(priv)) 1252 return -EFAULT; 1253 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1254 type, params); 1255 break; 1256 case NL80211_IFTYPE_AP: 1257 if (mwifiex_cfg80211_deinit_p2p(priv)) 1258 return -EFAULT; 1259 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1260 params); 1261 case NL80211_IFTYPE_UNSPECIFIED: 1262 mwifiex_dbg(priv->adapter, INFO, 1263 "%s: kept type as P2P\n", dev->name); 1264 /* fall through */ 1265 case NL80211_IFTYPE_P2P_CLIENT: 1266 case NL80211_IFTYPE_P2P_GO: 1267 return 0; 1268 default: 1269 mwifiex_dbg(priv->adapter, ERROR, 1270 "%s: changing to %d not supported\n", 1271 dev->name, type); 1272 return -EOPNOTSUPP; 1273 } 1274 break; 1275 default: 1276 mwifiex_dbg(priv->adapter, ERROR, 1277 "%s: unknown iftype: %d\n", 1278 dev->name, dev->ieee80211_ptr->iftype); 1279 return -EOPNOTSUPP; 1280 } 1281 1282 1283 return 0; 1284 } 1285 1286 static void 1287 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo, 1288 struct rate_info *rate) 1289 { 1290 struct mwifiex_adapter *adapter = priv->adapter; 1291 1292 if (adapter->is_hw_11ac_capable) { 1293 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1294 if (htinfo & BIT(0)) { 1295 /* HT */ 1296 rate->mcs = rateinfo; 1297 rate->flags |= RATE_INFO_FLAGS_MCS; 1298 } 1299 if (htinfo & BIT(1)) { 1300 /* VHT */ 1301 rate->mcs = rateinfo & 0x0F; 1302 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1303 } 1304 1305 if (htinfo & (BIT(1) | BIT(0))) { 1306 /* HT or VHT */ 1307 switch (htinfo & (BIT(3) | BIT(2))) { 1308 case 0: 1309 rate->bw = RATE_INFO_BW_20; 1310 break; 1311 case (BIT(2)): 1312 rate->bw = RATE_INFO_BW_40; 1313 break; 1314 case (BIT(3)): 1315 rate->bw = RATE_INFO_BW_80; 1316 break; 1317 case (BIT(3) | BIT(2)): 1318 rate->bw = RATE_INFO_BW_160; 1319 break; 1320 } 1321 1322 if (htinfo & BIT(4)) 1323 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1324 1325 if ((rateinfo >> 4) == 1) 1326 rate->nss = 2; 1327 else 1328 rate->nss = 1; 1329 } 1330 } else { 1331 /* 1332 * Bit 0 in htinfo indicates that current rate is 11n. Valid 1333 * MCS index values for us are 0 to 15. 1334 */ 1335 if ((htinfo & BIT(0)) && (rateinfo < 16)) { 1336 rate->mcs = rateinfo; 1337 rate->flags |= RATE_INFO_FLAGS_MCS; 1338 rate->bw = RATE_INFO_BW_20; 1339 if (htinfo & BIT(1)) 1340 rate->bw = RATE_INFO_BW_40; 1341 if (htinfo & BIT(2)) 1342 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1343 } 1344 } 1345 1346 /* Decode legacy rates for non-HT. */ 1347 if (!(htinfo & (BIT(0) | BIT(1)))) { 1348 /* Bitrates in multiples of 100kb/s. */ 1349 static const int legacy_rates[] = { 1350 [0] = 10, 1351 [1] = 20, 1352 [2] = 55, 1353 [3] = 110, 1354 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */ 1355 [5] = 60, 1356 [6] = 90, 1357 [7] = 120, 1358 [8] = 180, 1359 [9] = 240, 1360 [10] = 360, 1361 [11] = 480, 1362 [12] = 540, 1363 }; 1364 if (rateinfo < ARRAY_SIZE(legacy_rates)) 1365 rate->legacy = legacy_rates[rateinfo]; 1366 } 1367 } 1368 1369 /* 1370 * This function dumps the station information on a buffer. 1371 * 1372 * The following information are shown - 1373 * - Total bytes transmitted 1374 * - Total bytes received 1375 * - Total packets transmitted 1376 * - Total packets received 1377 * - Signal quality level 1378 * - Transmission rate 1379 */ 1380 static int 1381 mwifiex_dump_station_info(struct mwifiex_private *priv, 1382 struct mwifiex_sta_node *node, 1383 struct station_info *sinfo) 1384 { 1385 u32 rate; 1386 1387 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) | 1388 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | 1389 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | 1390 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 1391 1392 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1393 if (!node) 1394 return -ENOENT; 1395 1396 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | 1397 BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1398 sinfo->inactive_time = 1399 jiffies_to_msecs(jiffies - node->stats.last_rx); 1400 1401 sinfo->signal = node->stats.rssi; 1402 sinfo->signal_avg = node->stats.rssi; 1403 sinfo->rx_bytes = node->stats.rx_bytes; 1404 sinfo->tx_bytes = node->stats.tx_bytes; 1405 sinfo->rx_packets = node->stats.rx_packets; 1406 sinfo->tx_packets = node->stats.tx_packets; 1407 sinfo->tx_failed = node->stats.tx_failed; 1408 1409 mwifiex_parse_htinfo(priv, priv->tx_rate, 1410 node->stats.last_tx_htinfo, 1411 &sinfo->txrate); 1412 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1413 1414 return 0; 1415 } 1416 1417 /* Get signal information from the firmware */ 1418 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1419 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1420 mwifiex_dbg(priv->adapter, ERROR, 1421 "failed to get signal information\n"); 1422 return -EFAULT; 1423 } 1424 1425 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1426 mwifiex_dbg(priv->adapter, ERROR, 1427 "getting data rate error\n"); 1428 return -EFAULT; 1429 } 1430 1431 /* Get DTIM period information from firmware */ 1432 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1433 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1434 &priv->dtim_period, true); 1435 1436 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo, 1437 &sinfo->txrate); 1438 1439 sinfo->signal_avg = priv->bcn_rssi_avg; 1440 sinfo->rx_bytes = priv->stats.rx_bytes; 1441 sinfo->tx_bytes = priv->stats.tx_bytes; 1442 sinfo->rx_packets = priv->stats.rx_packets; 1443 sinfo->tx_packets = priv->stats.tx_packets; 1444 sinfo->signal = priv->bcn_rssi_avg; 1445 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1446 sinfo->txrate.legacy = rate * 5; 1447 1448 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); 1449 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo, 1450 &sinfo->rxrate); 1451 1452 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1453 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); 1454 sinfo->bss_param.flags = 0; 1455 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1456 WLAN_CAPABILITY_SHORT_PREAMBLE) 1457 sinfo->bss_param.flags |= 1458 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1459 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1460 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1461 sinfo->bss_param.flags |= 1462 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1463 sinfo->bss_param.dtim_period = priv->dtim_period; 1464 sinfo->bss_param.beacon_interval = 1465 priv->curr_bss_params.bss_descriptor.beacon_period; 1466 } 1467 1468 return 0; 1469 } 1470 1471 /* 1472 * CFG802.11 operation handler to get station information. 1473 * 1474 * This function only works in connected mode, and dumps the 1475 * requested station information, if available. 1476 */ 1477 static int 1478 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1479 const u8 *mac, struct station_info *sinfo) 1480 { 1481 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1482 1483 if (!priv->media_connected) 1484 return -ENOENT; 1485 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1486 return -ENOENT; 1487 1488 return mwifiex_dump_station_info(priv, NULL, sinfo); 1489 } 1490 1491 /* 1492 * CFG802.11 operation handler to dump station information. 1493 */ 1494 static int 1495 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1496 int idx, u8 *mac, struct station_info *sinfo) 1497 { 1498 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1499 static struct mwifiex_sta_node *node; 1500 1501 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1502 priv->media_connected && idx == 0) { 1503 ether_addr_copy(mac, priv->cfg_bssid); 1504 return mwifiex_dump_station_info(priv, NULL, sinfo); 1505 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1506 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1507 HostCmd_ACT_GEN_GET, 0, NULL, true); 1508 1509 if (node && (&node->list == &priv->sta_list)) { 1510 node = NULL; 1511 return -ENOENT; 1512 } 1513 1514 node = list_prepare_entry(node, &priv->sta_list, list); 1515 list_for_each_entry_continue(node, &priv->sta_list, list) { 1516 ether_addr_copy(mac, node->mac_addr); 1517 return mwifiex_dump_station_info(priv, node, sinfo); 1518 } 1519 } 1520 1521 return -ENOENT; 1522 } 1523 1524 static int 1525 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1526 int idx, struct survey_info *survey) 1527 { 1528 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1529 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1530 enum nl80211_band band; 1531 1532 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1533 1534 memset(survey, 0, sizeof(struct survey_info)); 1535 1536 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1537 priv->media_connected && idx == 0) { 1538 u8 curr_bss_band = priv->curr_bss_params.band; 1539 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1540 1541 band = mwifiex_band_to_radio_type(curr_bss_band); 1542 survey->channel = ieee80211_get_channel(wiphy, 1543 ieee80211_channel_to_frequency(chan, band)); 1544 1545 if (priv->bcn_nf_last) { 1546 survey->filled = SURVEY_INFO_NOISE_DBM; 1547 survey->noise = priv->bcn_nf_last; 1548 } 1549 return 0; 1550 } 1551 1552 if (idx >= priv->adapter->num_in_chan_stats) 1553 return -ENOENT; 1554 1555 if (!pchan_stats[idx].cca_scan_dur) 1556 return 0; 1557 1558 band = pchan_stats[idx].bandcfg; 1559 survey->channel = ieee80211_get_channel(wiphy, 1560 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1561 survey->filled = SURVEY_INFO_NOISE_DBM | 1562 SURVEY_INFO_TIME | 1563 SURVEY_INFO_TIME_BUSY; 1564 survey->noise = pchan_stats[idx].noise; 1565 survey->time = pchan_stats[idx].cca_scan_dur; 1566 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1567 1568 return 0; 1569 } 1570 1571 /* Supported rates to be advertised to the cfg80211 */ 1572 static struct ieee80211_rate mwifiex_rates[] = { 1573 {.bitrate = 10, .hw_value = 2, }, 1574 {.bitrate = 20, .hw_value = 4, }, 1575 {.bitrate = 55, .hw_value = 11, }, 1576 {.bitrate = 110, .hw_value = 22, }, 1577 {.bitrate = 60, .hw_value = 12, }, 1578 {.bitrate = 90, .hw_value = 18, }, 1579 {.bitrate = 120, .hw_value = 24, }, 1580 {.bitrate = 180, .hw_value = 36, }, 1581 {.bitrate = 240, .hw_value = 48, }, 1582 {.bitrate = 360, .hw_value = 72, }, 1583 {.bitrate = 480, .hw_value = 96, }, 1584 {.bitrate = 540, .hw_value = 108, }, 1585 }; 1586 1587 /* Channel definitions to be advertised to cfg80211 */ 1588 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1589 {.center_freq = 2412, .hw_value = 1, }, 1590 {.center_freq = 2417, .hw_value = 2, }, 1591 {.center_freq = 2422, .hw_value = 3, }, 1592 {.center_freq = 2427, .hw_value = 4, }, 1593 {.center_freq = 2432, .hw_value = 5, }, 1594 {.center_freq = 2437, .hw_value = 6, }, 1595 {.center_freq = 2442, .hw_value = 7, }, 1596 {.center_freq = 2447, .hw_value = 8, }, 1597 {.center_freq = 2452, .hw_value = 9, }, 1598 {.center_freq = 2457, .hw_value = 10, }, 1599 {.center_freq = 2462, .hw_value = 11, }, 1600 {.center_freq = 2467, .hw_value = 12, }, 1601 {.center_freq = 2472, .hw_value = 13, }, 1602 {.center_freq = 2484, .hw_value = 14, }, 1603 }; 1604 1605 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1606 .channels = mwifiex_channels_2ghz, 1607 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1608 .bitrates = mwifiex_rates, 1609 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1610 }; 1611 1612 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1613 {.center_freq = 5040, .hw_value = 8, }, 1614 {.center_freq = 5060, .hw_value = 12, }, 1615 {.center_freq = 5080, .hw_value = 16, }, 1616 {.center_freq = 5170, .hw_value = 34, }, 1617 {.center_freq = 5190, .hw_value = 38, }, 1618 {.center_freq = 5210, .hw_value = 42, }, 1619 {.center_freq = 5230, .hw_value = 46, }, 1620 {.center_freq = 5180, .hw_value = 36, }, 1621 {.center_freq = 5200, .hw_value = 40, }, 1622 {.center_freq = 5220, .hw_value = 44, }, 1623 {.center_freq = 5240, .hw_value = 48, }, 1624 {.center_freq = 5260, .hw_value = 52, }, 1625 {.center_freq = 5280, .hw_value = 56, }, 1626 {.center_freq = 5300, .hw_value = 60, }, 1627 {.center_freq = 5320, .hw_value = 64, }, 1628 {.center_freq = 5500, .hw_value = 100, }, 1629 {.center_freq = 5520, .hw_value = 104, }, 1630 {.center_freq = 5540, .hw_value = 108, }, 1631 {.center_freq = 5560, .hw_value = 112, }, 1632 {.center_freq = 5580, .hw_value = 116, }, 1633 {.center_freq = 5600, .hw_value = 120, }, 1634 {.center_freq = 5620, .hw_value = 124, }, 1635 {.center_freq = 5640, .hw_value = 128, }, 1636 {.center_freq = 5660, .hw_value = 132, }, 1637 {.center_freq = 5680, .hw_value = 136, }, 1638 {.center_freq = 5700, .hw_value = 140, }, 1639 {.center_freq = 5745, .hw_value = 149, }, 1640 {.center_freq = 5765, .hw_value = 153, }, 1641 {.center_freq = 5785, .hw_value = 157, }, 1642 {.center_freq = 5805, .hw_value = 161, }, 1643 {.center_freq = 5825, .hw_value = 165, }, 1644 }; 1645 1646 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1647 .channels = mwifiex_channels_5ghz, 1648 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1649 .bitrates = mwifiex_rates + 4, 1650 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1651 }; 1652 1653 1654 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1655 static const u32 mwifiex_cipher_suites[] = { 1656 WLAN_CIPHER_SUITE_WEP40, 1657 WLAN_CIPHER_SUITE_WEP104, 1658 WLAN_CIPHER_SUITE_TKIP, 1659 WLAN_CIPHER_SUITE_CCMP, 1660 WLAN_CIPHER_SUITE_SMS4, 1661 WLAN_CIPHER_SUITE_AES_CMAC, 1662 }; 1663 1664 /* Supported mgmt frame types to be advertised to cfg80211 */ 1665 static const struct ieee80211_txrx_stypes 1666 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1667 [NL80211_IFTYPE_STATION] = { 1668 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1669 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1670 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1671 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1672 }, 1673 [NL80211_IFTYPE_AP] = { 1674 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1675 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1676 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1677 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1678 }, 1679 [NL80211_IFTYPE_P2P_CLIENT] = { 1680 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1681 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1682 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1683 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1684 }, 1685 [NL80211_IFTYPE_P2P_GO] = { 1686 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1687 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1688 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1689 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1690 }, 1691 }; 1692 1693 /* 1694 * CFG802.11 operation handler for setting bit rates. 1695 * 1696 * Function configures data rates to firmware using bitrate mask 1697 * provided by cfg80211. 1698 */ 1699 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1700 struct net_device *dev, 1701 const u8 *peer, 1702 const struct cfg80211_bitrate_mask *mask) 1703 { 1704 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1705 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1706 enum nl80211_band band; 1707 struct mwifiex_adapter *adapter = priv->adapter; 1708 1709 if (!priv->media_connected) { 1710 mwifiex_dbg(adapter, ERROR, 1711 "Can not set Tx data rate in disconnected state\n"); 1712 return -EINVAL; 1713 } 1714 1715 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1716 1717 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1718 1719 /* Fill HR/DSSS rates. */ 1720 if (band == NL80211_BAND_2GHZ) 1721 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1722 1723 /* Fill OFDM rates */ 1724 if (band == NL80211_BAND_2GHZ) 1725 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1726 else 1727 bitmap_rates[1] = mask->control[band].legacy; 1728 1729 /* Fill HT MCS rates */ 1730 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1731 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1732 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1733 1734 /* Fill VHT MCS rates */ 1735 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1736 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1737 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1738 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1739 } 1740 1741 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1742 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1743 } 1744 1745 /* 1746 * CFG802.11 operation handler for connection quality monitoring. 1747 * 1748 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1749 * events to FW. 1750 */ 1751 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1752 struct net_device *dev, 1753 s32 rssi_thold, u32 rssi_hyst) 1754 { 1755 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1756 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1757 1758 priv->cqm_rssi_thold = rssi_thold; 1759 priv->cqm_rssi_hyst = rssi_hyst; 1760 1761 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1762 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1763 1764 /* Subscribe/unsubscribe low and high rssi events */ 1765 if (rssi_thold && rssi_hyst) { 1766 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1767 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1768 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1769 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1770 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1771 return mwifiex_send_cmd(priv, 1772 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1773 0, 0, &subsc_evt, true); 1774 } else { 1775 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1776 return mwifiex_send_cmd(priv, 1777 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1778 0, 0, &subsc_evt, true); 1779 } 1780 1781 return 0; 1782 } 1783 1784 /* cfg80211 operation handler for change_beacon. 1785 * Function retrieves and sets modified management IEs to FW. 1786 */ 1787 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1788 struct net_device *dev, 1789 struct cfg80211_beacon_data *data) 1790 { 1791 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1792 struct mwifiex_adapter *adapter = priv->adapter; 1793 1794 mwifiex_cancel_scan(adapter); 1795 1796 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1797 mwifiex_dbg(priv->adapter, ERROR, 1798 "%s: bss_type mismatched\n", __func__); 1799 return -EINVAL; 1800 } 1801 1802 if (!priv->bss_started) { 1803 mwifiex_dbg(priv->adapter, ERROR, 1804 "%s: bss not started\n", __func__); 1805 return -EINVAL; 1806 } 1807 1808 if (mwifiex_set_mgmt_ies(priv, data)) { 1809 mwifiex_dbg(priv->adapter, ERROR, 1810 "%s: setting mgmt ies failed\n", __func__); 1811 return -EFAULT; 1812 } 1813 1814 return 0; 1815 } 1816 1817 /* cfg80211 operation handler for del_station. 1818 * Function deauthenticates station which value is provided in mac parameter. 1819 * If mac is NULL/broadcast, all stations in associated station list are 1820 * deauthenticated. If bss is not started or there are no stations in 1821 * associated stations list, no action is taken. 1822 */ 1823 static int 1824 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1825 struct station_del_parameters *params) 1826 { 1827 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1828 struct mwifiex_sta_node *sta_node; 1829 u8 deauth_mac[ETH_ALEN]; 1830 unsigned long flags; 1831 1832 if (!priv->bss_started && priv->wdev.cac_started) { 1833 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1834 mwifiex_abort_cac(priv); 1835 } 1836 1837 if (list_empty(&priv->sta_list) || !priv->bss_started) 1838 return 0; 1839 1840 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1841 return 0; 1842 1843 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1844 __func__, params->mac); 1845 1846 eth_zero_addr(deauth_mac); 1847 1848 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 1849 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1850 if (sta_node) 1851 ether_addr_copy(deauth_mac, params->mac); 1852 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 1853 1854 if (is_valid_ether_addr(deauth_mac)) { 1855 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1856 HostCmd_ACT_GEN_SET, 0, 1857 deauth_mac, true)) 1858 return -1; 1859 } 1860 1861 return 0; 1862 } 1863 1864 static int 1865 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1866 { 1867 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1868 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1869 MWIFIEX_BSS_ROLE_ANY); 1870 struct mwifiex_ds_ant_cfg ant_cfg; 1871 1872 if (!tx_ant || !rx_ant) 1873 return -EOPNOTSUPP; 1874 1875 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1876 /* Not a MIMO chip. User should provide specific antenna number 1877 * for Tx/Rx path or enable all antennas for diversity 1878 */ 1879 if (tx_ant != rx_ant) 1880 return -EOPNOTSUPP; 1881 1882 if ((tx_ant & (tx_ant - 1)) && 1883 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1884 return -EOPNOTSUPP; 1885 1886 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1887 (priv->adapter->number_of_antenna > 1)) { 1888 tx_ant = RF_ANTENNA_AUTO; 1889 rx_ant = RF_ANTENNA_AUTO; 1890 } 1891 } else { 1892 struct ieee80211_sta_ht_cap *ht_info; 1893 int rx_mcs_supp; 1894 enum nl80211_band band; 1895 1896 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1897 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1898 if (adapter->is_hw_11ac_capable) 1899 adapter->usr_dot_11ac_mcs_support = 1900 MWIFIEX_11AC_MCS_MAP_1X1; 1901 } else { 1902 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1903 if (adapter->is_hw_11ac_capable) 1904 adapter->usr_dot_11ac_mcs_support = 1905 MWIFIEX_11AC_MCS_MAP_2X2; 1906 } 1907 1908 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1909 if (!adapter->wiphy->bands[band]) 1910 continue; 1911 1912 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1913 rx_mcs_supp = 1914 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1915 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1916 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1917 } 1918 } 1919 1920 ant_cfg.tx_ant = tx_ant; 1921 ant_cfg.rx_ant = rx_ant; 1922 1923 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1924 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 1925 } 1926 1927 static int 1928 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 1929 { 1930 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1931 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1932 MWIFIEX_BSS_ROLE_ANY); 1933 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1934 HostCmd_ACT_GEN_GET, 0, NULL, true); 1935 1936 *tx_ant = priv->tx_ant; 1937 *rx_ant = priv->rx_ant; 1938 1939 return 0; 1940 } 1941 1942 /* cfg80211 operation handler for stop ap. 1943 * Function stops BSS running at uAP interface. 1944 */ 1945 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1946 { 1947 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1948 1949 mwifiex_abort_cac(priv); 1950 1951 if (mwifiex_del_mgmt_ies(priv)) 1952 mwifiex_dbg(priv->adapter, ERROR, 1953 "Failed to delete mgmt IEs!\n"); 1954 1955 priv->ap_11n_enabled = 0; 1956 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 1957 1958 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 1959 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1960 mwifiex_dbg(priv->adapter, ERROR, 1961 "Failed to stop the BSS\n"); 1962 return -1; 1963 } 1964 1965 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 1966 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1967 mwifiex_dbg(priv->adapter, ERROR, 1968 "Failed to reset BSS\n"); 1969 return -1; 1970 } 1971 1972 if (netif_carrier_ok(priv->netdev)) 1973 netif_carrier_off(priv->netdev); 1974 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 1975 1976 return 0; 1977 } 1978 1979 /* cfg80211 operation handler for start_ap. 1980 * Function sets beacon period, DTIM period, SSID and security into 1981 * AP config structure. 1982 * AP is configured with these settings and BSS is started. 1983 */ 1984 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 1985 struct net_device *dev, 1986 struct cfg80211_ap_settings *params) 1987 { 1988 struct mwifiex_uap_bss_param *bss_cfg; 1989 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1990 1991 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 1992 return -1; 1993 1994 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 1995 if (!bss_cfg) 1996 return -ENOMEM; 1997 1998 mwifiex_set_sys_config_invalid_data(bss_cfg); 1999 2000 if (params->beacon_interval) 2001 bss_cfg->beacon_period = params->beacon_interval; 2002 if (params->dtim_period) 2003 bss_cfg->dtim_period = params->dtim_period; 2004 2005 if (params->ssid && params->ssid_len) { 2006 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 2007 bss_cfg->ssid.ssid_len = params->ssid_len; 2008 } 2009 if (params->inactivity_timeout > 0) { 2010 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 2011 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 2012 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 2013 } 2014 2015 switch (params->hidden_ssid) { 2016 case NL80211_HIDDEN_SSID_NOT_IN_USE: 2017 bss_cfg->bcast_ssid_ctl = 1; 2018 break; 2019 case NL80211_HIDDEN_SSID_ZERO_LEN: 2020 bss_cfg->bcast_ssid_ctl = 0; 2021 break; 2022 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 2023 bss_cfg->bcast_ssid_ctl = 2; 2024 break; 2025 default: 2026 kfree(bss_cfg); 2027 return -EINVAL; 2028 } 2029 2030 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 2031 mwifiex_set_uap_rates(bss_cfg, params); 2032 2033 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 2034 mwifiex_dbg(priv->adapter, ERROR, 2035 "Failed to parse security parameters!\n"); 2036 goto out; 2037 } 2038 2039 mwifiex_set_ht_params(priv, bss_cfg, params); 2040 2041 if (priv->adapter->is_hw_11ac_capable) { 2042 mwifiex_set_vht_params(priv, bss_cfg, params); 2043 mwifiex_set_vht_width(priv, params->chandef.width, 2044 priv->ap_11ac_enabled); 2045 } 2046 2047 if (priv->ap_11ac_enabled) 2048 mwifiex_set_11ac_ba_params(priv); 2049 else 2050 mwifiex_set_ba_params(priv); 2051 2052 mwifiex_set_wmm_params(priv, bss_cfg, params); 2053 2054 if (mwifiex_is_11h_active(priv)) 2055 mwifiex_set_tpc_params(priv, bss_cfg, params); 2056 2057 if (mwifiex_is_11h_active(priv) && 2058 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 2059 priv->bss_mode)) { 2060 mwifiex_dbg(priv->adapter, INFO, 2061 "Disable 11h extensions in FW\n"); 2062 if (mwifiex_11h_activate(priv, false)) { 2063 mwifiex_dbg(priv->adapter, ERROR, 2064 "Failed to disable 11h extensions!!"); 2065 goto out; 2066 } 2067 priv->state_11h.is_11h_active = false; 2068 } 2069 2070 mwifiex_config_uap_11d(priv, ¶ms->beacon); 2071 2072 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2073 mwifiex_dbg(priv->adapter, ERROR, 2074 "Failed to start AP\n"); 2075 goto out; 2076 } 2077 2078 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2079 goto out; 2080 2081 if (!netif_carrier_ok(priv->netdev)) 2082 netif_carrier_on(priv->netdev); 2083 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2084 2085 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2086 kfree(bss_cfg); 2087 return 0; 2088 2089 out: 2090 kfree(bss_cfg); 2091 return -1; 2092 } 2093 2094 /* 2095 * CFG802.11 operation handler for disconnection request. 2096 * 2097 * This function does not work when there is already a disconnection 2098 * procedure going on. 2099 */ 2100 static int 2101 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2102 u16 reason_code) 2103 { 2104 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2105 2106 if (!mwifiex_stop_bg_scan(priv)) 2107 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2108 2109 if (mwifiex_deauthenticate(priv, NULL)) 2110 return -EFAULT; 2111 2112 eth_zero_addr(priv->cfg_bssid); 2113 priv->hs2_enabled = false; 2114 2115 return 0; 2116 } 2117 2118 /* 2119 * This function informs the CFG802.11 subsystem of a new IBSS. 2120 * 2121 * The following information are sent to the CFG802.11 subsystem 2122 * to register the new IBSS. If we do not register the new IBSS, 2123 * a kernel panic will result. 2124 * - SSID 2125 * - SSID length 2126 * - BSSID 2127 * - Channel 2128 */ 2129 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2130 { 2131 struct ieee80211_channel *chan; 2132 struct mwifiex_bss_info bss_info; 2133 struct cfg80211_bss *bss; 2134 int ie_len; 2135 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2136 enum nl80211_band band; 2137 2138 if (mwifiex_get_bss_info(priv, &bss_info)) 2139 return -1; 2140 2141 ie_buf[0] = WLAN_EID_SSID; 2142 ie_buf[1] = bss_info.ssid.ssid_len; 2143 2144 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2145 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2146 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2147 2148 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2149 chan = ieee80211_get_channel(priv->wdev.wiphy, 2150 ieee80211_channel_to_frequency(bss_info.bss_chan, 2151 band)); 2152 2153 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2154 CFG80211_BSS_FTYPE_UNKNOWN, 2155 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2156 0, ie_buf, ie_len, 0, GFP_KERNEL); 2157 if (bss) { 2158 cfg80211_put_bss(priv->wdev.wiphy, bss); 2159 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2160 } 2161 2162 return 0; 2163 } 2164 2165 /* 2166 * This function connects with a BSS. 2167 * 2168 * This function handles both Infra and Ad-Hoc modes. It also performs 2169 * validity checking on the provided parameters, disconnects from the 2170 * current BSS (if any), sets up the association/scan parameters, 2171 * including security settings, and performs specific SSID scan before 2172 * trying to connect. 2173 * 2174 * For Infra mode, the function returns failure if the specified SSID 2175 * is not found in scan table. However, for Ad-Hoc mode, it can create 2176 * the IBSS if it does not exist. On successful completion in either case, 2177 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2178 */ 2179 static int 2180 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2181 const u8 *ssid, const u8 *bssid, int mode, 2182 struct ieee80211_channel *channel, 2183 struct cfg80211_connect_params *sme, bool privacy) 2184 { 2185 struct cfg80211_ssid req_ssid; 2186 int ret, auth_type = 0; 2187 struct cfg80211_bss *bss = NULL; 2188 u8 is_scanning_required = 0; 2189 2190 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2191 2192 req_ssid.ssid_len = ssid_len; 2193 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2194 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2195 return -EINVAL; 2196 } 2197 2198 memcpy(req_ssid.ssid, ssid, ssid_len); 2199 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2200 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2201 return -EINVAL; 2202 } 2203 2204 /* As this is new association, clear locally stored 2205 * keys and security related flags */ 2206 priv->sec_info.wpa_enabled = false; 2207 priv->sec_info.wpa2_enabled = false; 2208 priv->wep_key_curr_index = 0; 2209 priv->sec_info.encryption_mode = 0; 2210 priv->sec_info.is_authtype_auto = 0; 2211 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2212 2213 if (mode == NL80211_IFTYPE_ADHOC) { 2214 u16 enable = true; 2215 2216 /* set ibss coalescing_status */ 2217 ret = mwifiex_send_cmd( 2218 priv, 2219 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2220 HostCmd_ACT_GEN_SET, 0, &enable, true); 2221 if (ret) 2222 return ret; 2223 2224 /* "privacy" is set only for ad-hoc mode */ 2225 if (privacy) { 2226 /* 2227 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2228 * the firmware can find a matching network from the 2229 * scan. The cfg80211 does not give us the encryption 2230 * mode at this stage so just setting it to WEP here. 2231 */ 2232 priv->sec_info.encryption_mode = 2233 WLAN_CIPHER_SUITE_WEP104; 2234 priv->sec_info.authentication_mode = 2235 NL80211_AUTHTYPE_OPEN_SYSTEM; 2236 } 2237 2238 goto done; 2239 } 2240 2241 /* Now handle infra mode. "sme" is valid for infra mode only */ 2242 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2243 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2244 priv->sec_info.is_authtype_auto = 1; 2245 } else { 2246 auth_type = sme->auth_type; 2247 } 2248 2249 if (sme->crypto.n_ciphers_pairwise) { 2250 priv->sec_info.encryption_mode = 2251 sme->crypto.ciphers_pairwise[0]; 2252 priv->sec_info.authentication_mode = auth_type; 2253 } 2254 2255 if (sme->crypto.cipher_group) { 2256 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2257 priv->sec_info.authentication_mode = auth_type; 2258 } 2259 if (sme->ie) 2260 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2261 2262 if (sme->key) { 2263 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2264 mwifiex_dbg(priv->adapter, INFO, 2265 "info: setting wep encryption\t" 2266 "with key len %d\n", sme->key_len); 2267 priv->wep_key_curr_index = sme->key_idx; 2268 ret = mwifiex_set_encode(priv, NULL, sme->key, 2269 sme->key_len, sme->key_idx, 2270 NULL, 0); 2271 } 2272 } 2273 done: 2274 /* 2275 * Scan entries are valid for some time (15 sec). So we can save one 2276 * active scan time if we just try cfg80211_get_bss first. If it fails 2277 * then request scan and cfg80211_get_bss() again for final output. 2278 */ 2279 while (1) { 2280 if (is_scanning_required) { 2281 /* Do specific SSID scanning */ 2282 if (mwifiex_request_scan(priv, &req_ssid)) { 2283 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2284 return -EFAULT; 2285 } 2286 } 2287 2288 /* Find the BSS we want using available scan results */ 2289 if (mode == NL80211_IFTYPE_ADHOC) 2290 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2291 bssid, ssid, ssid_len, 2292 IEEE80211_BSS_TYPE_IBSS, 2293 IEEE80211_PRIVACY_ANY); 2294 else 2295 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2296 bssid, ssid, ssid_len, 2297 IEEE80211_BSS_TYPE_ESS, 2298 IEEE80211_PRIVACY_ANY); 2299 2300 if (!bss) { 2301 if (is_scanning_required) { 2302 mwifiex_dbg(priv->adapter, MSG, 2303 "assoc: requested bss not found in scan results\n"); 2304 break; 2305 } 2306 is_scanning_required = 1; 2307 } else { 2308 mwifiex_dbg(priv->adapter, MSG, 2309 "info: trying to associate to '%.*s' bssid %pM\n", 2310 req_ssid.ssid_len, (char *)req_ssid.ssid, 2311 bss->bssid); 2312 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2313 break; 2314 } 2315 } 2316 2317 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2318 if (ret) 2319 return ret; 2320 2321 if (mode == NL80211_IFTYPE_ADHOC) { 2322 /* Inform the BSS information to kernel, otherwise 2323 * kernel will give a panic after successful assoc */ 2324 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2325 return -EFAULT; 2326 } 2327 2328 return ret; 2329 } 2330 2331 /* 2332 * CFG802.11 operation handler for association request. 2333 * 2334 * This function does not work when the current mode is set to Ad-Hoc, or 2335 * when there is already an association procedure going on. The given BSS 2336 * information is used to associate. 2337 */ 2338 static int 2339 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2340 struct cfg80211_connect_params *sme) 2341 { 2342 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2343 struct mwifiex_adapter *adapter = priv->adapter; 2344 int ret; 2345 2346 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2347 mwifiex_dbg(adapter, ERROR, 2348 "%s: reject infra assoc request in non-STA role\n", 2349 dev->name); 2350 return -EINVAL; 2351 } 2352 2353 if (priv->wdev.current_bss) { 2354 mwifiex_dbg(adapter, ERROR, 2355 "%s: already connected\n", dev->name); 2356 return -EALREADY; 2357 } 2358 2359 if (priv->scan_block) 2360 priv->scan_block = false; 2361 2362 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) || 2363 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { 2364 mwifiex_dbg(adapter, ERROR, 2365 "%s: Ignore connection.\t" 2366 "Card removed or FW in bad state\n", 2367 dev->name); 2368 return -EFAULT; 2369 } 2370 2371 mwifiex_dbg(adapter, INFO, 2372 "info: Trying to associate to %.*s and bssid %pM\n", 2373 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid); 2374 2375 if (!mwifiex_stop_bg_scan(priv)) 2376 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2377 2378 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2379 priv->bss_mode, sme->channel, sme, 0); 2380 if (!ret) { 2381 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2382 NULL, 0, WLAN_STATUS_SUCCESS, 2383 GFP_KERNEL); 2384 mwifiex_dbg(priv->adapter, MSG, 2385 "info: associated to bssid %pM successfully\n", 2386 priv->cfg_bssid); 2387 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2388 priv->adapter->auto_tdls && 2389 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2390 mwifiex_setup_auto_tdls_timer(priv); 2391 } else { 2392 mwifiex_dbg(priv->adapter, ERROR, 2393 "info: association to bssid %pM failed\n", 2394 priv->cfg_bssid); 2395 eth_zero_addr(priv->cfg_bssid); 2396 2397 if (ret > 0) 2398 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2399 NULL, 0, NULL, 0, ret, 2400 GFP_KERNEL); 2401 else 2402 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2403 NULL, 0, NULL, 0, 2404 WLAN_STATUS_UNSPECIFIED_FAILURE, 2405 GFP_KERNEL); 2406 } 2407 2408 return 0; 2409 } 2410 2411 /* 2412 * This function sets following parameters for ibss network. 2413 * - channel 2414 * - start band 2415 * - 11n flag 2416 * - secondary channel offset 2417 */ 2418 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2419 struct cfg80211_ibss_params *params) 2420 { 2421 struct mwifiex_adapter *adapter = priv->adapter; 2422 int index = 0, i; 2423 u8 config_bands = 0; 2424 2425 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2426 if (!params->basic_rates) { 2427 config_bands = BAND_B | BAND_G; 2428 } else { 2429 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2430 /* 2431 * Rates below 6 Mbps in the table are CCK 2432 * rates; 802.11b and from 6 they are OFDM; 2433 * 802.11G 2434 */ 2435 if (mwifiex_rates[i].bitrate == 60) { 2436 index = 1 << i; 2437 break; 2438 } 2439 } 2440 2441 if (params->basic_rates < index) { 2442 config_bands = BAND_B; 2443 } else { 2444 config_bands = BAND_G; 2445 if (params->basic_rates % index) 2446 config_bands |= BAND_B; 2447 } 2448 } 2449 2450 if (cfg80211_get_chandef_type(¶ms->chandef) != 2451 NL80211_CHAN_NO_HT) 2452 config_bands |= BAND_G | BAND_GN; 2453 } else { 2454 if (cfg80211_get_chandef_type(¶ms->chandef) == 2455 NL80211_CHAN_NO_HT) 2456 config_bands = BAND_A; 2457 else 2458 config_bands = BAND_AN | BAND_A; 2459 } 2460 2461 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2462 adapter->config_bands = config_bands; 2463 adapter->adhoc_start_band = config_bands; 2464 2465 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2466 adapter->adhoc_11n_enabled = true; 2467 else 2468 adapter->adhoc_11n_enabled = false; 2469 } 2470 2471 adapter->sec_chan_offset = 2472 mwifiex_chan_type_to_sec_chan_offset( 2473 cfg80211_get_chandef_type(¶ms->chandef)); 2474 priv->adhoc_channel = ieee80211_frequency_to_channel( 2475 params->chandef.chan->center_freq); 2476 2477 mwifiex_dbg(adapter, INFO, 2478 "info: set ibss band %d, chan %d, chan offset %d\n", 2479 config_bands, priv->adhoc_channel, 2480 adapter->sec_chan_offset); 2481 2482 return 0; 2483 } 2484 2485 /* 2486 * CFG802.11 operation handler to join an IBSS. 2487 * 2488 * This function does not work in any mode other than Ad-Hoc, or if 2489 * a join operation is already in progress. 2490 */ 2491 static int 2492 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2493 struct cfg80211_ibss_params *params) 2494 { 2495 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2496 int ret = 0; 2497 2498 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2499 mwifiex_dbg(priv->adapter, ERROR, 2500 "request to join ibss received\t" 2501 "when station is not in ibss mode\n"); 2502 goto done; 2503 } 2504 2505 mwifiex_dbg(priv->adapter, MSG, 2506 "info: trying to join to %.*s and bssid %pM\n", 2507 params->ssid_len, (char *)params->ssid, params->bssid); 2508 2509 mwifiex_set_ibss_params(priv, params); 2510 2511 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2512 params->bssid, priv->bss_mode, 2513 params->chandef.chan, NULL, 2514 params->privacy); 2515 done: 2516 if (!ret) { 2517 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2518 params->chandef.chan, GFP_KERNEL); 2519 mwifiex_dbg(priv->adapter, MSG, 2520 "info: joined/created adhoc network with bssid\t" 2521 "%pM successfully\n", priv->cfg_bssid); 2522 } else { 2523 mwifiex_dbg(priv->adapter, ERROR, 2524 "info: failed creating/joining adhoc network\n"); 2525 } 2526 2527 return ret; 2528 } 2529 2530 /* 2531 * CFG802.11 operation handler to leave an IBSS. 2532 * 2533 * This function does not work if a leave operation is 2534 * already in progress. 2535 */ 2536 static int 2537 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2538 { 2539 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2540 2541 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2542 priv->cfg_bssid); 2543 if (mwifiex_deauthenticate(priv, NULL)) 2544 return -EFAULT; 2545 2546 eth_zero_addr(priv->cfg_bssid); 2547 2548 return 0; 2549 } 2550 2551 /* 2552 * CFG802.11 operation handler for scan request. 2553 * 2554 * This function issues a scan request to the firmware based upon 2555 * the user specified scan configuration. On successful completion, 2556 * it also informs the results. 2557 */ 2558 static int 2559 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2560 struct cfg80211_scan_request *request) 2561 { 2562 struct net_device *dev = request->wdev->netdev; 2563 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2564 int i, offset, ret; 2565 struct ieee80211_channel *chan; 2566 struct ieee_types_header *ie; 2567 struct mwifiex_user_scan_cfg *user_scan_cfg; 2568 u8 mac_addr[ETH_ALEN]; 2569 2570 mwifiex_dbg(priv->adapter, CMD, 2571 "info: received scan request on %s\n", dev->name); 2572 2573 /* Block scan request if scan operation or scan cleanup when interface 2574 * is disabled is in process 2575 */ 2576 if (priv->scan_request || priv->scan_aborting) { 2577 mwifiex_dbg(priv->adapter, WARN, 2578 "cmd: Scan already in process..\n"); 2579 return -EBUSY; 2580 } 2581 2582 if (!priv->wdev.current_bss && priv->scan_block) 2583 priv->scan_block = false; 2584 2585 if (!mwifiex_stop_bg_scan(priv)) 2586 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0); 2587 2588 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2589 if (!user_scan_cfg) 2590 return -ENOMEM; 2591 2592 priv->scan_request = request; 2593 2594 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2595 get_random_mask_addr(mac_addr, request->mac_addr, 2596 request->mac_addr_mask); 2597 ether_addr_copy(request->mac_addr, mac_addr); 2598 ether_addr_copy(user_scan_cfg->random_mac, mac_addr); 2599 } 2600 2601 user_scan_cfg->num_ssids = request->n_ssids; 2602 user_scan_cfg->ssid_list = request->ssids; 2603 2604 if (request->ie && request->ie_len) { 2605 offset = 0; 2606 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2607 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2608 continue; 2609 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2610 ie = (struct ieee_types_header *)(request->ie + offset); 2611 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2612 offset += sizeof(*ie) + ie->len; 2613 2614 if (offset >= request->ie_len) 2615 break; 2616 } 2617 } 2618 2619 for (i = 0; i < min_t(u32, request->n_channels, 2620 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2621 chan = request->channels[i]; 2622 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2623 user_scan_cfg->chan_list[i].radio_type = chan->band; 2624 2625 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2626 user_scan_cfg->chan_list[i].scan_type = 2627 MWIFIEX_SCAN_TYPE_PASSIVE; 2628 else 2629 user_scan_cfg->chan_list[i].scan_type = 2630 MWIFIEX_SCAN_TYPE_ACTIVE; 2631 2632 user_scan_cfg->chan_list[i].scan_time = 0; 2633 } 2634 2635 if (priv->adapter->scan_chan_gap_enabled && 2636 mwifiex_is_any_intf_active(priv)) 2637 user_scan_cfg->scan_chan_gap = 2638 priv->adapter->scan_chan_gap_time; 2639 2640 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2641 kfree(user_scan_cfg); 2642 if (ret) { 2643 mwifiex_dbg(priv->adapter, ERROR, 2644 "scan failed: %d\n", ret); 2645 priv->scan_aborting = false; 2646 priv->scan_request = NULL; 2647 return ret; 2648 } 2649 2650 if (request->ie && request->ie_len) { 2651 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2652 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2653 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2654 memset(&priv->vs_ie[i].ie, 0, 2655 MWIFIEX_MAX_VSIE_LEN); 2656 } 2657 } 2658 } 2659 return 0; 2660 } 2661 2662 /* CFG802.11 operation handler for sched_scan_start. 2663 * 2664 * This function issues a bgscan config request to the firmware based upon 2665 * the user specified sched_scan configuration. On successful completion, 2666 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2667 * query command to get sched_scan results from firmware. 2668 */ 2669 static int 2670 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2671 struct net_device *dev, 2672 struct cfg80211_sched_scan_request *request) 2673 { 2674 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2675 int i, offset; 2676 struct ieee80211_channel *chan; 2677 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2678 struct ieee_types_header *ie; 2679 2680 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2681 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2682 __func__); 2683 return -EINVAL; 2684 } 2685 2686 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2687 request->n_ssids, request->n_match_sets); 2688 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2689 request->n_channels, request->scan_plans->interval, 2690 (int)request->ie_len); 2691 2692 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2693 if (!bgscan_cfg) 2694 return -ENOMEM; 2695 2696 if (priv->scan_request || priv->scan_aborting) 2697 bgscan_cfg->start_later = true; 2698 2699 bgscan_cfg->num_ssids = request->n_match_sets; 2700 bgscan_cfg->ssid_list = request->match_sets; 2701 2702 if (request->ie && request->ie_len) { 2703 offset = 0; 2704 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2705 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2706 continue; 2707 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2708 ie = (struct ieee_types_header *)(request->ie + offset); 2709 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2710 offset += sizeof(*ie) + ie->len; 2711 2712 if (offset >= request->ie_len) 2713 break; 2714 } 2715 } 2716 2717 for (i = 0; i < min_t(u32, request->n_channels, 2718 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2719 chan = request->channels[i]; 2720 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2721 bgscan_cfg->chan_list[i].radio_type = chan->band; 2722 2723 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2724 bgscan_cfg->chan_list[i].scan_type = 2725 MWIFIEX_SCAN_TYPE_PASSIVE; 2726 else 2727 bgscan_cfg->chan_list[i].scan_type = 2728 MWIFIEX_SCAN_TYPE_ACTIVE; 2729 2730 bgscan_cfg->chan_list[i].scan_time = 0; 2731 } 2732 2733 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2734 MWIFIEX_BG_SCAN_CHAN_MAX); 2735 2736 /* Use at least 15 second for per scan cycle */ 2737 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2738 MWIFIEX_BGSCAN_INTERVAL) ? 2739 request->scan_plans->interval : 2740 MWIFIEX_BGSCAN_INTERVAL; 2741 2742 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2743 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2744 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2745 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2746 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2747 bgscan_cfg->enable = true; 2748 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2749 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2750 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2751 } 2752 2753 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2754 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2755 kfree(bgscan_cfg); 2756 return -EFAULT; 2757 } 2758 2759 priv->sched_scanning = true; 2760 2761 kfree(bgscan_cfg); 2762 return 0; 2763 } 2764 2765 /* CFG802.11 operation handler for sched_scan_stop. 2766 * 2767 * This function issues a bgscan config command to disable 2768 * previous bgscan configuration in the firmware 2769 */ 2770 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2771 struct net_device *dev, u64 reqid) 2772 { 2773 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2774 2775 wiphy_info(wiphy, "sched scan stop!"); 2776 mwifiex_stop_bg_scan(priv); 2777 2778 return 0; 2779 } 2780 2781 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2782 struct mwifiex_private *priv) 2783 { 2784 struct mwifiex_adapter *adapter = priv->adapter; 2785 2786 vht_info->vht_supported = true; 2787 2788 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2789 /* Update MCS support for VHT */ 2790 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2791 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2792 vht_info->vht_mcs.rx_highest = 0; 2793 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2794 adapter->hw_dot_11ac_mcs_support >> 16); 2795 vht_info->vht_mcs.tx_highest = 0; 2796 } 2797 2798 /* 2799 * This function sets up the CFG802.11 specific HT capability fields 2800 * with default values. 2801 * 2802 * The following default values are set - 2803 * - HT Supported = True 2804 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2805 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2806 * - HT Capabilities supported by firmware 2807 * - MCS information, Rx mask = 0xff 2808 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2809 */ 2810 static void 2811 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2812 struct mwifiex_private *priv) 2813 { 2814 int rx_mcs_supp; 2815 struct ieee80211_mcs_info mcs_set; 2816 u8 *mcs = (u8 *)&mcs_set; 2817 struct mwifiex_adapter *adapter = priv->adapter; 2818 2819 ht_info->ht_supported = true; 2820 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2821 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2822 2823 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2824 2825 /* Fill HT capability information */ 2826 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2827 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2828 else 2829 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2830 2831 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2832 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2833 else 2834 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2835 2836 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2837 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2838 else 2839 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2840 2841 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2842 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2843 else 2844 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2845 2846 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2847 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2848 else 2849 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2850 2851 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2852 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2853 else 2854 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2855 2856 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2857 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2858 else 2859 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2860 2861 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2862 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2863 else 2864 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2865 2866 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2867 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2868 2869 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2870 /* Set MCS for 1x1/2x2 */ 2871 memset(mcs, 0xff, rx_mcs_supp); 2872 /* Clear all the other values */ 2873 memset(&mcs[rx_mcs_supp], 0, 2874 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2875 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2876 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2877 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2878 SETHT_MCS32(mcs_set.rx_mask); 2879 2880 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2881 2882 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2883 } 2884 2885 /* 2886 * create a new virtual interface with the given name and name assign type 2887 */ 2888 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2889 const char *name, 2890 unsigned char name_assign_type, 2891 enum nl80211_iftype type, 2892 struct vif_params *params) 2893 { 2894 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2895 struct mwifiex_private *priv; 2896 struct net_device *dev; 2897 void *mdev_priv; 2898 int ret; 2899 2900 if (!adapter) 2901 return ERR_PTR(-EFAULT); 2902 2903 switch (type) { 2904 case NL80211_IFTYPE_UNSPECIFIED: 2905 case NL80211_IFTYPE_STATION: 2906 case NL80211_IFTYPE_ADHOC: 2907 if (adapter->curr_iface_comb.sta_intf == 2908 adapter->iface_limit.sta_intf) { 2909 mwifiex_dbg(adapter, ERROR, 2910 "cannot create multiple sta/adhoc ifaces\n"); 2911 return ERR_PTR(-EINVAL); 2912 } 2913 2914 priv = mwifiex_get_unused_priv_by_bss_type( 2915 adapter, MWIFIEX_BSS_TYPE_STA); 2916 if (!priv) { 2917 mwifiex_dbg(adapter, ERROR, 2918 "could not get free private struct\n"); 2919 return ERR_PTR(-EFAULT); 2920 } 2921 2922 priv->wdev.wiphy = wiphy; 2923 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2924 2925 if (type == NL80211_IFTYPE_UNSPECIFIED) 2926 priv->bss_mode = NL80211_IFTYPE_STATION; 2927 else 2928 priv->bss_mode = type; 2929 2930 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2931 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2932 priv->bss_priority = 0; 2933 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2934 2935 break; 2936 case NL80211_IFTYPE_AP: 2937 if (adapter->curr_iface_comb.uap_intf == 2938 adapter->iface_limit.uap_intf) { 2939 mwifiex_dbg(adapter, ERROR, 2940 "cannot create multiple AP ifaces\n"); 2941 return ERR_PTR(-EINVAL); 2942 } 2943 2944 priv = mwifiex_get_unused_priv_by_bss_type( 2945 adapter, MWIFIEX_BSS_TYPE_UAP); 2946 if (!priv) { 2947 mwifiex_dbg(adapter, ERROR, 2948 "could not get free private struct\n"); 2949 return ERR_PTR(-EFAULT); 2950 } 2951 2952 priv->wdev.wiphy = wiphy; 2953 priv->wdev.iftype = NL80211_IFTYPE_AP; 2954 2955 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2956 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2957 priv->bss_priority = 0; 2958 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2959 priv->bss_started = 0; 2960 priv->bss_mode = type; 2961 2962 break; 2963 case NL80211_IFTYPE_P2P_CLIENT: 2964 if (adapter->curr_iface_comb.p2p_intf == 2965 adapter->iface_limit.p2p_intf) { 2966 mwifiex_dbg(adapter, ERROR, 2967 "cannot create multiple P2P ifaces\n"); 2968 return ERR_PTR(-EINVAL); 2969 } 2970 2971 priv = mwifiex_get_unused_priv_by_bss_type( 2972 adapter, MWIFIEX_BSS_TYPE_P2P); 2973 if (!priv) { 2974 mwifiex_dbg(adapter, ERROR, 2975 "could not get free private struct\n"); 2976 return ERR_PTR(-EFAULT); 2977 } 2978 2979 priv->wdev.wiphy = wiphy; 2980 /* At start-up, wpa_supplicant tries to change the interface 2981 * to NL80211_IFTYPE_STATION if it is not managed mode. 2982 */ 2983 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2984 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2985 2986 /* Setting bss_type to P2P tells firmware that this interface 2987 * is receiving P2P peers found during find phase and doing 2988 * action frame handshake. 2989 */ 2990 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2991 2992 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2993 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2994 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2995 priv->bss_started = 0; 2996 2997 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2998 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2999 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3000 return ERR_PTR(-EFAULT); 3001 } 3002 3003 break; 3004 default: 3005 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3006 return ERR_PTR(-EINVAL); 3007 } 3008 3009 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 3010 name_assign_type, ether_setup, 3011 IEEE80211_NUM_ACS, 1); 3012 if (!dev) { 3013 mwifiex_dbg(adapter, ERROR, 3014 "no memory available for netdevice\n"); 3015 ret = -ENOMEM; 3016 goto err_alloc_netdev; 3017 } 3018 3019 mwifiex_init_priv_params(priv, dev); 3020 3021 priv->netdev = dev; 3022 3023 if (!adapter->mfg_mode) { 3024 mwifiex_set_mac_address(priv, dev, false, NULL); 3025 3026 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 3027 HostCmd_ACT_GEN_SET, 0, NULL, true); 3028 if (ret) 3029 goto err_set_bss_mode; 3030 3031 ret = mwifiex_sta_init_cmd(priv, false, false); 3032 if (ret) 3033 goto err_sta_init; 3034 } 3035 3036 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 3037 if (adapter->is_hw_11ac_capable) 3038 mwifiex_setup_vht_caps( 3039 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 3040 3041 if (adapter->config_bands & BAND_A) 3042 mwifiex_setup_ht_caps( 3043 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 3044 3045 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 3046 mwifiex_setup_vht_caps( 3047 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 3048 3049 dev_net_set(dev, wiphy_net(wiphy)); 3050 dev->ieee80211_ptr = &priv->wdev; 3051 dev->ieee80211_ptr->iftype = priv->bss_mode; 3052 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 3053 3054 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 3055 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 3056 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 3057 dev->ethtool_ops = &mwifiex_ethtool_ops; 3058 3059 mdev_priv = netdev_priv(dev); 3060 *((unsigned long *) mdev_priv) = (unsigned long) priv; 3061 3062 SET_NETDEV_DEV(dev, adapter->dev); 3063 3064 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 3065 WQ_HIGHPRI | 3066 WQ_MEM_RECLAIM | 3067 WQ_UNBOUND, 1, name); 3068 if (!priv->dfs_cac_workqueue) { 3069 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); 3070 ret = -ENOMEM; 3071 goto err_alloc_cac; 3072 } 3073 3074 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3075 3076 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 3077 WQ_HIGHPRI | WQ_UNBOUND | 3078 WQ_MEM_RECLAIM, 1, name); 3079 if (!priv->dfs_chan_sw_workqueue) { 3080 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); 3081 ret = -ENOMEM; 3082 goto err_alloc_chsw; 3083 } 3084 3085 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3086 mwifiex_dfs_chan_sw_work_queue); 3087 3088 mutex_init(&priv->async_mutex); 3089 3090 /* Register network device */ 3091 if (register_netdevice(dev)) { 3092 mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); 3093 ret = -EFAULT; 3094 goto err_reg_netdev; 3095 } 3096 3097 mwifiex_dbg(adapter, INFO, 3098 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3099 3100 #ifdef CONFIG_DEBUG_FS 3101 mwifiex_dev_debugfs_init(priv); 3102 #endif 3103 3104 switch (type) { 3105 case NL80211_IFTYPE_UNSPECIFIED: 3106 case NL80211_IFTYPE_STATION: 3107 case NL80211_IFTYPE_ADHOC: 3108 adapter->curr_iface_comb.sta_intf++; 3109 break; 3110 case NL80211_IFTYPE_AP: 3111 adapter->curr_iface_comb.uap_intf++; 3112 break; 3113 case NL80211_IFTYPE_P2P_CLIENT: 3114 adapter->curr_iface_comb.p2p_intf++; 3115 break; 3116 default: 3117 /* This should be dead code; checked above */ 3118 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3119 return ERR_PTR(-EINVAL); 3120 } 3121 3122 return &priv->wdev; 3123 3124 err_reg_netdev: 3125 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3126 priv->dfs_chan_sw_workqueue = NULL; 3127 err_alloc_chsw: 3128 destroy_workqueue(priv->dfs_cac_workqueue); 3129 priv->dfs_cac_workqueue = NULL; 3130 err_alloc_cac: 3131 free_netdev(dev); 3132 priv->netdev = NULL; 3133 err_sta_init: 3134 err_set_bss_mode: 3135 err_alloc_netdev: 3136 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3137 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3138 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3139 return ERR_PTR(ret); 3140 } 3141 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3142 3143 /* 3144 * del_virtual_intf: remove the virtual interface determined by dev 3145 */ 3146 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3147 { 3148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3149 struct mwifiex_adapter *adapter = priv->adapter; 3150 struct sk_buff *skb, *tmp; 3151 3152 #ifdef CONFIG_DEBUG_FS 3153 mwifiex_dev_debugfs_remove(priv); 3154 #endif 3155 3156 if (priv->sched_scanning) 3157 priv->sched_scanning = false; 3158 3159 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3160 3161 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3162 skb_unlink(skb, &priv->bypass_txq); 3163 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3164 } 3165 3166 if (netif_carrier_ok(priv->netdev)) 3167 netif_carrier_off(priv->netdev); 3168 3169 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3170 unregister_netdevice(wdev->netdev); 3171 3172 if (priv->dfs_cac_workqueue) { 3173 flush_workqueue(priv->dfs_cac_workqueue); 3174 destroy_workqueue(priv->dfs_cac_workqueue); 3175 priv->dfs_cac_workqueue = NULL; 3176 } 3177 3178 if (priv->dfs_chan_sw_workqueue) { 3179 flush_workqueue(priv->dfs_chan_sw_workqueue); 3180 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3181 priv->dfs_chan_sw_workqueue = NULL; 3182 } 3183 /* Clear the priv in adapter */ 3184 priv->netdev = NULL; 3185 3186 switch (priv->bss_mode) { 3187 case NL80211_IFTYPE_UNSPECIFIED: 3188 case NL80211_IFTYPE_STATION: 3189 case NL80211_IFTYPE_ADHOC: 3190 adapter->curr_iface_comb.sta_intf--; 3191 break; 3192 case NL80211_IFTYPE_AP: 3193 adapter->curr_iface_comb.uap_intf--; 3194 break; 3195 case NL80211_IFTYPE_P2P_CLIENT: 3196 case NL80211_IFTYPE_P2P_GO: 3197 adapter->curr_iface_comb.p2p_intf--; 3198 break; 3199 default: 3200 mwifiex_dbg(adapter, ERROR, 3201 "del_virtual_intf: type not supported\n"); 3202 break; 3203 } 3204 3205 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3206 3207 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3208 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3209 kfree(priv->hist_data); 3210 3211 return 0; 3212 } 3213 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3214 3215 static bool 3216 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3217 u8 max_byte_seq) 3218 { 3219 int j, k, valid_byte_cnt = 0; 3220 bool dont_care_byte = false; 3221 3222 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3223 for (k = 0; k < 8; k++) { 3224 if (pat->mask[j] & 1 << k) { 3225 memcpy(byte_seq + valid_byte_cnt, 3226 &pat->pattern[j * 8 + k], 1); 3227 valid_byte_cnt++; 3228 if (dont_care_byte) 3229 return false; 3230 } else { 3231 if (valid_byte_cnt) 3232 dont_care_byte = true; 3233 } 3234 3235 /* wildcard bytes record as the offset 3236 * before the valid byte 3237 */ 3238 if (!valid_byte_cnt && !dont_care_byte) 3239 pat->pkt_offset++; 3240 3241 if (valid_byte_cnt > max_byte_seq) 3242 return false; 3243 } 3244 } 3245 3246 byte_seq[max_byte_seq] = valid_byte_cnt; 3247 3248 return true; 3249 } 3250 3251 #ifdef CONFIG_PM 3252 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3253 struct mwifiex_mef_entry *mef_entry) 3254 { 3255 int i, filt_num = 0, num_ipv4 = 0; 3256 struct in_device *in_dev; 3257 struct in_ifaddr *ifa; 3258 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3259 struct mwifiex_adapter *adapter = priv->adapter; 3260 3261 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3262 mef_entry->action = MEF_ACTION_AUTO_ARP; 3263 3264 /* Enable ARP offload feature */ 3265 memset(ips, 0, sizeof(ips)); 3266 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3267 if (adapter->priv[i]->netdev) { 3268 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3269 if (!in_dev) 3270 continue; 3271 ifa = in_dev->ifa_list; 3272 if (!ifa || !ifa->ifa_local) 3273 continue; 3274 ips[i] = ifa->ifa_local; 3275 num_ipv4++; 3276 } 3277 } 3278 3279 for (i = 0; i < num_ipv4; i++) { 3280 if (!ips[i]) 3281 continue; 3282 mef_entry->filter[filt_num].repeat = 1; 3283 memcpy(mef_entry->filter[filt_num].byte_seq, 3284 (u8 *)&ips[i], sizeof(ips[i])); 3285 mef_entry->filter[filt_num]. 3286 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3287 sizeof(ips[i]); 3288 mef_entry->filter[filt_num].offset = 46; 3289 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3290 if (filt_num) { 3291 mef_entry->filter[filt_num].filt_action = 3292 TYPE_OR; 3293 } 3294 filt_num++; 3295 } 3296 3297 mef_entry->filter[filt_num].repeat = 1; 3298 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3299 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3300 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3301 mef_entry->filter[filt_num].offset = 20; 3302 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3303 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3304 } 3305 3306 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3307 struct mwifiex_ds_mef_cfg *mef_cfg, 3308 struct mwifiex_mef_entry *mef_entry, 3309 struct cfg80211_wowlan *wowlan) 3310 { 3311 int i, filt_num = 0, ret = 0; 3312 bool first_pat = true; 3313 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3314 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3315 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3316 3317 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3318 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3319 3320 for (i = 0; i < wowlan->n_patterns; i++) { 3321 memset(byte_seq, 0, sizeof(byte_seq)); 3322 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3323 byte_seq, 3324 MWIFIEX_MEF_MAX_BYTESEQ)) { 3325 mwifiex_dbg(priv->adapter, ERROR, 3326 "Pattern not supported\n"); 3327 return -EOPNOTSUPP; 3328 } 3329 3330 if (!wowlan->patterns[i].pkt_offset) { 3331 if (!(byte_seq[0] & 0x01) && 3332 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3333 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3334 continue; 3335 } else if (is_broadcast_ether_addr(byte_seq)) { 3336 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3337 continue; 3338 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3339 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3340 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3341 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3342 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3343 continue; 3344 } 3345 } 3346 mef_entry->filter[filt_num].repeat = 1; 3347 mef_entry->filter[filt_num].offset = 3348 wowlan->patterns[i].pkt_offset; 3349 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3350 sizeof(byte_seq)); 3351 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3352 3353 if (first_pat) { 3354 first_pat = false; 3355 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3356 } else { 3357 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3358 } 3359 3360 filt_num++; 3361 } 3362 3363 if (wowlan->magic_pkt) { 3364 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3365 mef_entry->filter[filt_num].repeat = 16; 3366 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3367 ETH_ALEN); 3368 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3369 ETH_ALEN; 3370 mef_entry->filter[filt_num].offset = 28; 3371 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3372 if (filt_num) 3373 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3374 3375 filt_num++; 3376 mef_entry->filter[filt_num].repeat = 16; 3377 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3378 ETH_ALEN); 3379 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3380 ETH_ALEN; 3381 mef_entry->filter[filt_num].offset = 56; 3382 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3383 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3384 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3385 } 3386 return ret; 3387 } 3388 3389 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3390 struct cfg80211_wowlan *wowlan) 3391 { 3392 int ret = 0, num_entries = 1; 3393 struct mwifiex_ds_mef_cfg mef_cfg; 3394 struct mwifiex_mef_entry *mef_entry; 3395 3396 if (wowlan->n_patterns || wowlan->magic_pkt) 3397 num_entries++; 3398 3399 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3400 if (!mef_entry) 3401 return -ENOMEM; 3402 3403 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3404 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3405 MWIFIEX_CRITERIA_UNICAST; 3406 mef_cfg.num_entries = num_entries; 3407 mef_cfg.mef_entry = mef_entry; 3408 3409 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3410 3411 if (wowlan->n_patterns || wowlan->magic_pkt) { 3412 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3413 &mef_entry[1], wowlan); 3414 if (ret) 3415 goto err; 3416 } 3417 3418 if (!mef_cfg.criteria) 3419 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3420 MWIFIEX_CRITERIA_UNICAST | 3421 MWIFIEX_CRITERIA_MULTICAST; 3422 3423 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3424 HostCmd_ACT_GEN_SET, 0, 3425 &mef_cfg, true); 3426 3427 err: 3428 kfree(mef_entry); 3429 return ret; 3430 } 3431 3432 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3433 struct cfg80211_wowlan *wowlan) 3434 { 3435 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3436 struct mwifiex_ds_hs_cfg hs_cfg; 3437 int i, ret = 0, retry_num = 10; 3438 struct mwifiex_private *priv; 3439 struct mwifiex_private *sta_priv = 3440 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3441 3442 sta_priv->scan_aborting = true; 3443 for (i = 0; i < adapter->priv_num; i++) { 3444 priv = adapter->priv[i]; 3445 mwifiex_abort_cac(priv); 3446 } 3447 3448 mwifiex_cancel_all_pending_cmd(adapter); 3449 3450 for (i = 0; i < adapter->priv_num; i++) { 3451 priv = adapter->priv[i]; 3452 if (priv && priv->netdev) 3453 netif_device_detach(priv->netdev); 3454 } 3455 3456 for (i = 0; i < retry_num; i++) { 3457 if (!mwifiex_wmm_lists_empty(adapter) || 3458 !mwifiex_bypass_txlist_empty(adapter) || 3459 !skb_queue_empty(&adapter->tx_data_q)) 3460 usleep_range(10000, 15000); 3461 else 3462 break; 3463 } 3464 3465 if (!wowlan) { 3466 mwifiex_dbg(adapter, ERROR, 3467 "None of the WOWLAN triggers enabled\n"); 3468 ret = 0; 3469 goto done; 3470 } 3471 3472 if (!sta_priv->media_connected && !wowlan->nd_config) { 3473 mwifiex_dbg(adapter, ERROR, 3474 "Can not configure WOWLAN in disconnected state\n"); 3475 ret = 0; 3476 goto done; 3477 } 3478 3479 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3480 if (ret) { 3481 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3482 goto done; 3483 } 3484 3485 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3486 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3487 3488 if (wowlan->nd_config) { 3489 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3490 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3491 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3492 wowlan->nd_config); 3493 } 3494 3495 if (wowlan->disconnect) { 3496 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3497 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3498 } 3499 3500 hs_cfg.is_invoke_hostcmd = false; 3501 hs_cfg.gpio = adapter->hs_cfg.gpio; 3502 hs_cfg.gap = adapter->hs_cfg.gap; 3503 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3504 MWIFIEX_SYNC_CMD, &hs_cfg); 3505 if (ret) 3506 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3507 3508 done: 3509 sta_priv->scan_aborting = false; 3510 return ret; 3511 } 3512 3513 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3514 { 3515 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3516 struct mwifiex_private *priv; 3517 struct mwifiex_ds_wakeup_reason wakeup_reason; 3518 struct cfg80211_wowlan_wakeup wakeup_report; 3519 int i; 3520 bool report_wakeup_reason = true; 3521 3522 for (i = 0; i < adapter->priv_num; i++) { 3523 priv = adapter->priv[i]; 3524 if (priv && priv->netdev) 3525 netif_device_attach(priv->netdev); 3526 } 3527 3528 if (!wiphy->wowlan_config) 3529 goto done; 3530 3531 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3532 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3533 &wakeup_reason); 3534 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3535 3536 wakeup_report.pattern_idx = -1; 3537 3538 switch (wakeup_reason.hs_wakeup_reason) { 3539 case NO_HSWAKEUP_REASON: 3540 break; 3541 case BCAST_DATA_MATCHED: 3542 break; 3543 case MCAST_DATA_MATCHED: 3544 break; 3545 case UCAST_DATA_MATCHED: 3546 break; 3547 case MASKTABLE_EVENT_MATCHED: 3548 break; 3549 case NON_MASKABLE_EVENT_MATCHED: 3550 if (wiphy->wowlan_config->disconnect) 3551 wakeup_report.disconnect = true; 3552 if (wiphy->wowlan_config->nd_config) 3553 wakeup_report.net_detect = adapter->nd_info; 3554 break; 3555 case NON_MASKABLE_CONDITION_MATCHED: 3556 break; 3557 case MAGIC_PATTERN_MATCHED: 3558 if (wiphy->wowlan_config->magic_pkt) 3559 wakeup_report.magic_pkt = true; 3560 if (wiphy->wowlan_config->n_patterns) 3561 wakeup_report.pattern_idx = 1; 3562 break; 3563 case GTK_REKEY_FAILURE: 3564 if (wiphy->wowlan_config->gtk_rekey_failure) 3565 wakeup_report.gtk_rekey_failure = true; 3566 break; 3567 default: 3568 report_wakeup_reason = false; 3569 break; 3570 } 3571 3572 if (report_wakeup_reason) 3573 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3574 GFP_KERNEL); 3575 3576 done: 3577 if (adapter->nd_info) { 3578 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3579 kfree(adapter->nd_info->matches[i]); 3580 kfree(adapter->nd_info); 3581 adapter->nd_info = NULL; 3582 } 3583 3584 return 0; 3585 } 3586 3587 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3588 bool enabled) 3589 { 3590 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3591 3592 device_set_wakeup_enable(adapter->dev, enabled); 3593 } 3594 3595 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3596 struct cfg80211_gtk_rekey_data *data) 3597 { 3598 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3599 3600 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 3601 return -EOPNOTSUPP; 3602 3603 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3604 HostCmd_ACT_GEN_SET, 0, data, true); 3605 } 3606 3607 #endif 3608 3609 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3610 { 3611 static const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3612 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3613 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3614 3615 if ((byte_seq[0] & 0x01) && 3616 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3617 return PACKET_TYPE_UNICAST; 3618 else if (!memcmp(byte_seq, bc_mac, 4)) 3619 return PACKET_TYPE_BROADCAST; 3620 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3621 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3622 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3623 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3624 return PACKET_TYPE_MULTICAST; 3625 3626 return 0; 3627 } 3628 3629 static int 3630 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3631 struct cfg80211_coalesce_rules *crule, 3632 struct mwifiex_coalesce_rule *mrule) 3633 { 3634 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3635 struct filt_field_param *param; 3636 int i; 3637 3638 mrule->max_coalescing_delay = crule->delay; 3639 3640 param = mrule->params; 3641 3642 for (i = 0; i < crule->n_patterns; i++) { 3643 memset(byte_seq, 0, sizeof(byte_seq)); 3644 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3645 byte_seq, 3646 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3647 mwifiex_dbg(priv->adapter, ERROR, 3648 "Pattern not supported\n"); 3649 return -EOPNOTSUPP; 3650 } 3651 3652 if (!crule->patterns[i].pkt_offset) { 3653 u8 pkt_type; 3654 3655 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3656 if (pkt_type && mrule->pkt_type) { 3657 mwifiex_dbg(priv->adapter, ERROR, 3658 "Multiple packet types not allowed\n"); 3659 return -EOPNOTSUPP; 3660 } else if (pkt_type) { 3661 mrule->pkt_type = pkt_type; 3662 continue; 3663 } 3664 } 3665 3666 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3667 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3668 else 3669 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3670 3671 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3672 memcpy(param->operand_byte_stream, byte_seq, 3673 param->operand_len); 3674 param->offset = crule->patterns[i].pkt_offset; 3675 param++; 3676 3677 mrule->num_of_fields++; 3678 } 3679 3680 if (!mrule->pkt_type) { 3681 mwifiex_dbg(priv->adapter, ERROR, 3682 "Packet type can not be determined\n"); 3683 return -EOPNOTSUPP; 3684 } 3685 3686 return 0; 3687 } 3688 3689 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3690 struct cfg80211_coalesce *coalesce) 3691 { 3692 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3693 int i, ret; 3694 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3695 struct mwifiex_private *priv = 3696 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3697 3698 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3699 if (!coalesce) { 3700 mwifiex_dbg(adapter, WARN, 3701 "Disable coalesce and reset all previous rules\n"); 3702 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3703 HostCmd_ACT_GEN_SET, 0, 3704 &coalesce_cfg, true); 3705 } 3706 3707 coalesce_cfg.num_of_rules = coalesce->n_rules; 3708 for (i = 0; i < coalesce->n_rules; i++) { 3709 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3710 &coalesce_cfg.rule[i]); 3711 if (ret) { 3712 mwifiex_dbg(adapter, ERROR, 3713 "Recheck the patterns provided for rule %d\n", 3714 i + 1); 3715 return ret; 3716 } 3717 } 3718 3719 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3720 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3721 } 3722 3723 /* cfg80211 ops handler for tdls_mgmt. 3724 * Function prepares TDLS action frame packets and forwards them to FW 3725 */ 3726 static int 3727 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3728 const u8 *peer, u8 action_code, u8 dialog_token, 3729 u16 status_code, u32 peer_capability, 3730 bool initiator, const u8 *extra_ies, 3731 size_t extra_ies_len) 3732 { 3733 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3734 int ret; 3735 3736 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3737 return -ENOTSUPP; 3738 3739 /* make sure we are in station mode and connected */ 3740 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3741 return -ENOTSUPP; 3742 3743 switch (action_code) { 3744 case WLAN_TDLS_SETUP_REQUEST: 3745 mwifiex_dbg(priv->adapter, MSG, 3746 "Send TDLS Setup Request to %pM status_code=%d\n", 3747 peer, status_code); 3748 mwifiex_add_auto_tdls_peer(priv, peer); 3749 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3750 dialog_token, status_code, 3751 extra_ies, extra_ies_len); 3752 break; 3753 case WLAN_TDLS_SETUP_RESPONSE: 3754 mwifiex_add_auto_tdls_peer(priv, peer); 3755 mwifiex_dbg(priv->adapter, MSG, 3756 "Send TDLS Setup Response to %pM status_code=%d\n", 3757 peer, status_code); 3758 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3759 dialog_token, status_code, 3760 extra_ies, extra_ies_len); 3761 break; 3762 case WLAN_TDLS_SETUP_CONFIRM: 3763 mwifiex_dbg(priv->adapter, MSG, 3764 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3765 status_code); 3766 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3767 dialog_token, status_code, 3768 extra_ies, extra_ies_len); 3769 break; 3770 case WLAN_TDLS_TEARDOWN: 3771 mwifiex_dbg(priv->adapter, MSG, 3772 "Send TDLS Tear down to %pM\n", peer); 3773 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3774 dialog_token, status_code, 3775 extra_ies, extra_ies_len); 3776 break; 3777 case WLAN_TDLS_DISCOVERY_REQUEST: 3778 mwifiex_dbg(priv->adapter, MSG, 3779 "Send TDLS Discovery Request to %pM\n", peer); 3780 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3781 dialog_token, status_code, 3782 extra_ies, extra_ies_len); 3783 break; 3784 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3785 mwifiex_dbg(priv->adapter, MSG, 3786 "Send TDLS Discovery Response to %pM\n", peer); 3787 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3788 dialog_token, status_code, 3789 extra_ies, extra_ies_len); 3790 break; 3791 default: 3792 mwifiex_dbg(priv->adapter, ERROR, 3793 "Unknown TDLS mgmt/action frame %pM\n", peer); 3794 ret = -EINVAL; 3795 break; 3796 } 3797 3798 return ret; 3799 } 3800 3801 static int 3802 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3803 const u8 *peer, enum nl80211_tdls_operation action) 3804 { 3805 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3806 3807 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3808 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3809 return -ENOTSUPP; 3810 3811 /* make sure we are in station mode and connected */ 3812 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3813 return -ENOTSUPP; 3814 3815 mwifiex_dbg(priv->adapter, MSG, 3816 "TDLS peer=%pM, oper=%d\n", peer, action); 3817 3818 switch (action) { 3819 case NL80211_TDLS_ENABLE_LINK: 3820 action = MWIFIEX_TDLS_ENABLE_LINK; 3821 break; 3822 case NL80211_TDLS_DISABLE_LINK: 3823 action = MWIFIEX_TDLS_DISABLE_LINK; 3824 break; 3825 case NL80211_TDLS_TEARDOWN: 3826 /* shouldn't happen!*/ 3827 mwifiex_dbg(priv->adapter, ERROR, 3828 "tdls_oper: teardown from driver not supported\n"); 3829 return -EINVAL; 3830 case NL80211_TDLS_SETUP: 3831 /* shouldn't happen!*/ 3832 mwifiex_dbg(priv->adapter, ERROR, 3833 "tdls_oper: setup from driver not supported\n"); 3834 return -EINVAL; 3835 case NL80211_TDLS_DISCOVERY_REQ: 3836 /* shouldn't happen!*/ 3837 mwifiex_dbg(priv->adapter, ERROR, 3838 "tdls_oper: discovery from driver not supported\n"); 3839 return -EINVAL; 3840 default: 3841 mwifiex_dbg(priv->adapter, ERROR, 3842 "tdls_oper: operation not supported\n"); 3843 return -ENOTSUPP; 3844 } 3845 3846 return mwifiex_tdls_oper(priv, peer, action); 3847 } 3848 3849 static int 3850 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3851 const u8 *addr, u8 oper_class, 3852 struct cfg80211_chan_def *chandef) 3853 { 3854 struct mwifiex_sta_node *sta_ptr; 3855 unsigned long flags; 3856 u16 chan; 3857 u8 second_chan_offset, band; 3858 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3859 3860 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3861 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3862 if (!sta_ptr) { 3863 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3864 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3865 __func__, addr); 3866 return -ENOENT; 3867 } 3868 3869 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3870 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3871 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3872 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3873 return -ENOENT; 3874 } 3875 3876 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3877 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3878 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3879 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3880 return -EALREADY; 3881 } 3882 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3883 3884 chan = chandef->chan->hw_value; 3885 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3886 band = chandef->chan->band; 3887 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3888 3889 return 0; 3890 } 3891 3892 static void 3893 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3894 struct net_device *dev, 3895 const u8 *addr) 3896 { 3897 struct mwifiex_sta_node *sta_ptr; 3898 unsigned long flags; 3899 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3900 3901 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3902 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3903 if (!sta_ptr) { 3904 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3905 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3906 __func__, addr); 3907 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3908 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3909 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3910 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3911 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3912 addr); 3913 } else { 3914 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3915 mwifiex_stop_tdls_cs(priv, addr); 3916 } 3917 } 3918 3919 static int 3920 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3921 const u8 *mac, struct station_parameters *params) 3922 { 3923 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3924 3925 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3926 return -ENOTSUPP; 3927 3928 /* make sure we are in station mode and connected */ 3929 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3930 return -ENOTSUPP; 3931 3932 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3933 } 3934 3935 static int 3936 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3937 struct cfg80211_csa_settings *params) 3938 { 3939 struct ieee_types_header *chsw_ie; 3940 struct ieee80211_channel_sw_ie *channel_sw; 3941 int chsw_msec; 3942 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3943 3944 if (priv->adapter->scan_processing) { 3945 mwifiex_dbg(priv->adapter, ERROR, 3946 "radar detection: scan in process...\n"); 3947 return -EBUSY; 3948 } 3949 3950 if (priv->wdev.cac_started) 3951 return -EBUSY; 3952 3953 if (cfg80211_chandef_identical(¶ms->chandef, 3954 &priv->dfs_chandef)) 3955 return -EINVAL; 3956 3957 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3958 params->beacon_csa.tail, 3959 params->beacon_csa.tail_len); 3960 if (!chsw_ie) { 3961 mwifiex_dbg(priv->adapter, ERROR, 3962 "Could not parse channel switch announcement IE\n"); 3963 return -EINVAL; 3964 } 3965 3966 channel_sw = (void *)(chsw_ie + 1); 3967 if (channel_sw->mode) { 3968 if (netif_carrier_ok(priv->netdev)) 3969 netif_carrier_off(priv->netdev); 3970 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3971 } 3972 3973 if (mwifiex_del_mgmt_ies(priv)) 3974 mwifiex_dbg(priv->adapter, ERROR, 3975 "Failed to delete mgmt IEs!\n"); 3976 3977 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3978 mwifiex_dbg(priv->adapter, ERROR, 3979 "%s: setting mgmt ies failed\n", __func__); 3980 return -EFAULT; 3981 } 3982 3983 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3984 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3985 sizeof(priv->beacon_after)); 3986 3987 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3988 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3989 msecs_to_jiffies(chsw_msec)); 3990 return 0; 3991 } 3992 3993 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3994 struct wireless_dev *wdev, 3995 struct cfg80211_chan_def *chandef) 3996 { 3997 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3998 struct mwifiex_bssdescriptor *curr_bss; 3999 struct ieee80211_channel *chan; 4000 enum nl80211_channel_type chan_type; 4001 enum nl80211_band band; 4002 int freq; 4003 int ret = -ENODATA; 4004 4005 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 4006 cfg80211_chandef_valid(&priv->bss_chandef)) { 4007 *chandef = priv->bss_chandef; 4008 ret = 0; 4009 } else if (priv->media_connected) { 4010 curr_bss = &priv->curr_bss_params.bss_descriptor; 4011 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 4012 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 4013 chan = ieee80211_get_channel(wiphy, freq); 4014 4015 if (priv->ht_param_present) { 4016 chan_type = mwifiex_get_chan_type(priv); 4017 cfg80211_chandef_create(chandef, chan, chan_type); 4018 } else { 4019 cfg80211_chandef_create(chandef, chan, 4020 NL80211_CHAN_NO_HT); 4021 } 4022 ret = 0; 4023 } 4024 4025 return ret; 4026 } 4027 4028 #ifdef CONFIG_NL80211_TESTMODE 4029 4030 enum mwifiex_tm_attr { 4031 __MWIFIEX_TM_ATTR_INVALID = 0, 4032 MWIFIEX_TM_ATTR_CMD = 1, 4033 MWIFIEX_TM_ATTR_DATA = 2, 4034 4035 /* keep last */ 4036 __MWIFIEX_TM_ATTR_AFTER_LAST, 4037 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 4038 }; 4039 4040 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 4041 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 4042 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 4043 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 4044 }; 4045 4046 enum mwifiex_tm_command { 4047 MWIFIEX_TM_CMD_HOSTCMD = 0, 4048 }; 4049 4050 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 4051 void *data, int len) 4052 { 4053 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 4054 struct mwifiex_ds_misc_cmd *hostcmd; 4055 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 4056 struct sk_buff *skb; 4057 int err; 4058 4059 if (!priv) 4060 return -EINVAL; 4061 4062 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len, 4063 mwifiex_tm_policy, NULL); 4064 if (err) 4065 return err; 4066 4067 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4068 return -EINVAL; 4069 4070 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4071 case MWIFIEX_TM_CMD_HOSTCMD: 4072 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4073 return -EINVAL; 4074 4075 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); 4076 if (!hostcmd) 4077 return -ENOMEM; 4078 4079 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4080 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4081 hostcmd->len); 4082 4083 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4084 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4085 kfree(hostcmd); 4086 return -EFAULT; 4087 } 4088 4089 /* process hostcmd response*/ 4090 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4091 if (!skb) { 4092 kfree(hostcmd); 4093 return -ENOMEM; 4094 } 4095 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4096 hostcmd->len, hostcmd->cmd); 4097 if (err) { 4098 kfree(hostcmd); 4099 kfree_skb(skb); 4100 return -EMSGSIZE; 4101 } 4102 4103 err = cfg80211_testmode_reply(skb); 4104 kfree(hostcmd); 4105 return err; 4106 default: 4107 return -EOPNOTSUPP; 4108 } 4109 } 4110 #endif 4111 4112 static int 4113 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4114 struct net_device *dev, 4115 struct cfg80211_chan_def *chandef, 4116 u32 cac_time_ms) 4117 { 4118 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4119 struct mwifiex_radar_params radar_params; 4120 4121 if (priv->adapter->scan_processing) { 4122 mwifiex_dbg(priv->adapter, ERROR, 4123 "radar detection: scan already in process...\n"); 4124 return -EBUSY; 4125 } 4126 4127 if (!mwifiex_is_11h_active(priv)) { 4128 mwifiex_dbg(priv->adapter, INFO, 4129 "Enable 11h extensions in FW\n"); 4130 if (mwifiex_11h_activate(priv, true)) { 4131 mwifiex_dbg(priv->adapter, ERROR, 4132 "Failed to activate 11h extensions!!"); 4133 return -1; 4134 } 4135 priv->state_11h.is_11h_active = true; 4136 } 4137 4138 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4139 radar_params.chandef = chandef; 4140 radar_params.cac_time_ms = cac_time_ms; 4141 4142 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4143 4144 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4145 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4146 return -1; 4147 4148 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4149 msecs_to_jiffies(cac_time_ms)); 4150 return 0; 4151 } 4152 4153 static int 4154 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 4155 const u8 *mac, 4156 struct station_parameters *params) 4157 { 4158 int ret; 4159 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4160 4161 /* we support change_station handler only for TDLS peers*/ 4162 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4163 return -ENOTSUPP; 4164 4165 /* make sure we are in station mode and connected */ 4166 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4167 return -ENOTSUPP; 4168 4169 priv->sta_params = params; 4170 4171 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4172 priv->sta_params = NULL; 4173 4174 return ret; 4175 } 4176 4177 /* station cfg80211 operations */ 4178 static struct cfg80211_ops mwifiex_cfg80211_ops = { 4179 .add_virtual_intf = mwifiex_add_virtual_intf, 4180 .del_virtual_intf = mwifiex_del_virtual_intf, 4181 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4182 .scan = mwifiex_cfg80211_scan, 4183 .connect = mwifiex_cfg80211_connect, 4184 .disconnect = mwifiex_cfg80211_disconnect, 4185 .get_station = mwifiex_cfg80211_get_station, 4186 .dump_station = mwifiex_cfg80211_dump_station, 4187 .dump_survey = mwifiex_cfg80211_dump_survey, 4188 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4189 .join_ibss = mwifiex_cfg80211_join_ibss, 4190 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4191 .add_key = mwifiex_cfg80211_add_key, 4192 .del_key = mwifiex_cfg80211_del_key, 4193 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4194 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4195 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 4196 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4197 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4198 .set_default_key = mwifiex_cfg80211_set_default_key, 4199 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4200 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4201 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4202 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4203 .start_ap = mwifiex_cfg80211_start_ap, 4204 .stop_ap = mwifiex_cfg80211_stop_ap, 4205 .change_beacon = mwifiex_cfg80211_change_beacon, 4206 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4207 .set_antenna = mwifiex_cfg80211_set_antenna, 4208 .get_antenna = mwifiex_cfg80211_get_antenna, 4209 .del_station = mwifiex_cfg80211_del_station, 4210 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4211 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4212 #ifdef CONFIG_PM 4213 .suspend = mwifiex_cfg80211_suspend, 4214 .resume = mwifiex_cfg80211_resume, 4215 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4216 .set_rekey_data = mwifiex_set_rekey_data, 4217 #endif 4218 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4219 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4220 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4221 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4222 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4223 .add_station = mwifiex_cfg80211_add_station, 4224 .change_station = mwifiex_cfg80211_change_station, 4225 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4226 .get_channel = mwifiex_cfg80211_get_channel, 4227 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4228 .channel_switch = mwifiex_cfg80211_channel_switch, 4229 }; 4230 4231 #ifdef CONFIG_PM 4232 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4233 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4234 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4235 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4236 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4237 .pattern_min_len = 1, 4238 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4239 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4240 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4241 }; 4242 4243 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = { 4244 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4245 WIPHY_WOWLAN_NET_DETECT, 4246 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4247 .pattern_min_len = 1, 4248 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4249 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4250 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4251 }; 4252 #endif 4253 4254 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4255 { 4256 if (!alpha2 || strlen(alpha2) != 2) 4257 return false; 4258 4259 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4260 return true; 4261 4262 return false; 4263 } 4264 4265 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4266 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4267 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4268 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4269 .pattern_min_len = 1, 4270 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4271 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4272 }; 4273 4274 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4275 { 4276 u32 n_channels_bg, n_channels_a = 0; 4277 4278 n_channels_bg = mwifiex_band_2ghz.n_channels; 4279 4280 if (adapter->config_bands & BAND_A) 4281 n_channels_a = mwifiex_band_5ghz.n_channels; 4282 4283 /* allocate twice the number total channels, since the driver issues an 4284 * additional active scan request for hidden SSIDs on passive channels. 4285 */ 4286 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); 4287 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats), 4288 adapter->num_in_chan_stats)); 4289 4290 if (!adapter->chan_stats) 4291 return -ENOMEM; 4292 4293 return 0; 4294 } 4295 4296 /* 4297 * This function registers the device with CFG802.11 subsystem. 4298 * 4299 * The function creates the wireless device/wiphy, populates it with 4300 * default parameters and handler function pointers, and finally 4301 * registers the device. 4302 */ 4303 4304 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4305 { 4306 int ret; 4307 void *wdev_priv; 4308 struct wiphy *wiphy; 4309 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4310 u8 *country_code; 4311 u32 thr, retry; 4312 4313 /* create a new wiphy for use with cfg80211 */ 4314 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4315 sizeof(struct mwifiex_adapter *)); 4316 if (!wiphy) { 4317 mwifiex_dbg(adapter, ERROR, 4318 "%s: creating new wiphy\n", __func__); 4319 return -ENOMEM; 4320 } 4321 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4322 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4323 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4324 wiphy->max_remain_on_channel_duration = 5000; 4325 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4326 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4327 BIT(NL80211_IFTYPE_P2P_GO) | 4328 BIT(NL80211_IFTYPE_AP); 4329 4330 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) 4331 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); 4332 4333 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4334 if (adapter->config_bands & BAND_A) 4335 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4336 else 4337 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4338 4339 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4340 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4341 else if (adapter->is_hw_11ac_capable) 4342 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4343 else 4344 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4345 wiphy->n_iface_combinations = 1; 4346 4347 /* Initialize cipher suits */ 4348 wiphy->cipher_suites = mwifiex_cipher_suites; 4349 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4350 4351 if (adapter->regd) { 4352 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4353 REGULATORY_DISABLE_BEACON_HINTS | 4354 REGULATORY_COUNTRY_IE_IGNORE; 4355 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4356 } 4357 4358 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4359 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4360 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4361 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4362 WIPHY_FLAG_AP_UAPSD | 4363 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4364 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4365 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4366 4367 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4368 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4369 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4370 4371 #ifdef CONFIG_PM 4372 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) 4373 wiphy->wowlan = &mwifiex_wowlan_support; 4374 else 4375 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk; 4376 #endif 4377 4378 wiphy->coalesce = &mwifiex_coalesce_support; 4379 4380 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4381 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4382 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4383 4384 wiphy->max_sched_scan_reqs = 1; 4385 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4386 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4387 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4388 4389 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4390 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4391 4392 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER | 4393 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4394 NL80211_FEATURE_NEED_OBSS_SCAN; 4395 4396 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) 4397 wiphy->features |= NL80211_FEATURE_HT_IBSS; 4398 4399 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) 4400 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4401 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4402 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4403 4404 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4405 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4406 4407 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4408 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4409 4410 /* Reserve space for mwifiex specific private data for BSS */ 4411 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4412 4413 wiphy->reg_notifier = mwifiex_reg_notifier; 4414 4415 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4416 wdev_priv = wiphy_priv(wiphy); 4417 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4418 4419 set_wiphy_dev(wiphy, priv->adapter->dev); 4420 4421 ret = wiphy_register(wiphy); 4422 if (ret < 0) { 4423 mwifiex_dbg(adapter, ERROR, 4424 "%s: wiphy_register failed: %d\n", __func__, ret); 4425 wiphy_free(wiphy); 4426 return ret; 4427 } 4428 4429 if (!adapter->regd) { 4430 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4431 mwifiex_dbg(adapter, INFO, 4432 "driver hint alpha2: %2.2s\n", reg_alpha2); 4433 regulatory_hint(wiphy, reg_alpha2); 4434 } else { 4435 if (adapter->region_code == 0x00) { 4436 mwifiex_dbg(adapter, WARN, 4437 "Ignore world regulatory domain\n"); 4438 } else { 4439 wiphy->regulatory_flags |= 4440 REGULATORY_DISABLE_BEACON_HINTS | 4441 REGULATORY_COUNTRY_IE_IGNORE; 4442 country_code = 4443 mwifiex_11d_code_2_region( 4444 adapter->region_code); 4445 if (country_code && 4446 regulatory_hint(wiphy, country_code)) 4447 mwifiex_dbg(priv->adapter, ERROR, 4448 "regulatory_hint() failed\n"); 4449 } 4450 } 4451 } 4452 4453 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4454 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4455 wiphy->frag_threshold = thr; 4456 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4457 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4458 wiphy->rts_threshold = thr; 4459 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4460 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4461 wiphy->retry_short = (u8) retry; 4462 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4463 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4464 wiphy->retry_long = (u8) retry; 4465 4466 adapter->wiphy = wiphy; 4467 return ret; 4468 } 4469