1 /* 2 * Marvell Wireless LAN device driver: CFG80211 3 * 4 * Copyright (C) 2011-2014, Marvell International Ltd. 5 * 6 * This software file (the "File") is distributed by Marvell International 7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991 8 * (the "License"). You may use, redistribute and/or modify this File in 9 * accordance with the terms and conditions of the License, a copy of which 10 * is available by writing to the Free Software Foundation, Inc., 11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 13 * 14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 17 * this warranty disclaimer. 18 */ 19 20 #include "cfg80211.h" 21 #include "main.h" 22 #include "11n.h" 23 #include "wmm.h" 24 25 static char *reg_alpha2; 26 module_param(reg_alpha2, charp, 0); 27 28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { 29 { 30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) | 31 BIT(NL80211_IFTYPE_P2P_GO) | 32 BIT(NL80211_IFTYPE_P2P_CLIENT) | 33 BIT(NL80211_IFTYPE_AP), 34 }, 35 }; 36 37 static const struct ieee80211_iface_combination 38 mwifiex_iface_comb_ap_sta = { 39 .limits = mwifiex_ap_sta_limits, 40 .num_different_channels = 1, 41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 42 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 43 .beacon_int_infra_match = true, 44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 45 BIT(NL80211_CHAN_WIDTH_20) | 46 BIT(NL80211_CHAN_WIDTH_40), 47 }; 48 49 static const struct ieee80211_iface_combination 50 mwifiex_iface_comb_ap_sta_vht = { 51 .limits = mwifiex_ap_sta_limits, 52 .num_different_channels = 1, 53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 54 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 55 .beacon_int_infra_match = true, 56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 57 BIT(NL80211_CHAN_WIDTH_20) | 58 BIT(NL80211_CHAN_WIDTH_40) | 59 BIT(NL80211_CHAN_WIDTH_80), 60 }; 61 62 static const struct 63 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { 64 .limits = mwifiex_ap_sta_limits, 65 .num_different_channels = 2, 66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 67 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 68 .beacon_int_infra_match = true, 69 }; 70 71 /* 72 * This function maps the nl802.11 channel type into driver channel type. 73 * 74 * The mapping is as follows - 75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE 76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE 77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE 78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW 79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE 80 */ 81 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) 82 { 83 switch (chan_type) { 84 case NL80211_CHAN_NO_HT: 85 case NL80211_CHAN_HT20: 86 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 87 case NL80211_CHAN_HT40PLUS: 88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; 89 case NL80211_CHAN_HT40MINUS: 90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW; 91 default: 92 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 93 } 94 } 95 96 /* This function maps IEEE HT secondary channel type to NL80211 channel type 97 */ 98 u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset) 99 { 100 switch (second_chan_offset) { 101 case IEEE80211_HT_PARAM_CHA_SEC_NONE: 102 return NL80211_CHAN_HT20; 103 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: 104 return NL80211_CHAN_HT40PLUS; 105 case IEEE80211_HT_PARAM_CHA_SEC_BELOW: 106 return NL80211_CHAN_HT40MINUS; 107 default: 108 return NL80211_CHAN_HT20; 109 } 110 } 111 112 /* 113 * This function checks whether WEP is set. 114 */ 115 static int 116 mwifiex_is_alg_wep(u32 cipher) 117 { 118 switch (cipher) { 119 case WLAN_CIPHER_SUITE_WEP40: 120 case WLAN_CIPHER_SUITE_WEP104: 121 return 1; 122 default: 123 break; 124 } 125 126 return 0; 127 } 128 129 /* 130 * This function retrieves the private structure from kernel wiphy structure. 131 */ 132 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) 133 { 134 return (void *) (*(unsigned long *) wiphy_priv(wiphy)); 135 } 136 137 /* 138 * CFG802.11 operation handler to delete a network key. 139 */ 140 static int 141 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, 142 u8 key_index, bool pairwise, const u8 *mac_addr) 143 { 144 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 145 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 146 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 147 148 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { 149 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 150 return -EFAULT; 151 } 152 153 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); 154 return 0; 155 } 156 157 /* 158 * This function forms an skb for management frame. 159 */ 160 static int 161 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) 162 { 163 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; 164 u16 pkt_len; 165 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 166 167 pkt_len = len + ETH_ALEN; 168 169 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 170 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 171 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 172 173 memcpy(skb_push(skb, sizeof(tx_control)), 174 &tx_control, sizeof(tx_control)); 175 176 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 177 178 /* Add packet data and address4 */ 179 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf, 180 sizeof(struct ieee80211_hdr_3addr)); 181 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN); 182 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)), 183 buf + sizeof(struct ieee80211_hdr_3addr), 184 len - sizeof(struct ieee80211_hdr_3addr)); 185 186 skb->priority = LOW_PRIO_TID; 187 __net_timestamp(skb); 188 189 return 0; 190 } 191 192 /* 193 * CFG802.11 operation handler to transmit a management frame. 194 */ 195 static int 196 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 197 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 198 { 199 const u8 *buf = params->buf; 200 size_t len = params->len; 201 struct sk_buff *skb; 202 u16 pkt_len; 203 const struct ieee80211_mgmt *mgmt; 204 struct mwifiex_txinfo *tx_info; 205 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 206 207 if (!buf || !len) { 208 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); 209 return -EFAULT; 210 } 211 212 mgmt = (const struct ieee80211_mgmt *)buf; 213 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && 214 ieee80211_is_probe_resp(mgmt->frame_control)) { 215 /* Since we support offload probe resp, we need to skip probe 216 * resp in AP or GO mode */ 217 mwifiex_dbg(priv->adapter, INFO, 218 "info: skip to send probe resp in AP or GO mode\n"); 219 return 0; 220 } 221 222 pkt_len = len + ETH_ALEN; 223 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 224 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 225 pkt_len + sizeof(pkt_len)); 226 227 if (!skb) { 228 mwifiex_dbg(priv->adapter, ERROR, 229 "allocate skb failed for management frame\n"); 230 return -ENOMEM; 231 } 232 233 tx_info = MWIFIEX_SKB_TXCB(skb); 234 memset(tx_info, 0, sizeof(*tx_info)); 235 tx_info->bss_num = priv->bss_num; 236 tx_info->bss_type = priv->bss_type; 237 tx_info->pkt_len = pkt_len; 238 239 mwifiex_form_mgmt_frame(skb, buf, len); 240 *cookie = prandom_u32() | 1; 241 242 if (ieee80211_is_action(mgmt->frame_control)) 243 skb = mwifiex_clone_skb_for_tx_status(priv, 244 skb, 245 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); 246 else 247 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 248 GFP_ATOMIC); 249 250 mwifiex_queue_tx_pkt(priv, skb); 251 252 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 253 return 0; 254 } 255 256 /* 257 * CFG802.11 operation handler to register a mgmt frame. 258 */ 259 static void 260 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, 261 struct wireless_dev *wdev, 262 u16 frame_type, bool reg) 263 { 264 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 265 u32 mask; 266 267 if (reg) 268 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); 269 else 270 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); 271 272 if (mask != priv->mgmt_frame_mask) { 273 priv->mgmt_frame_mask = mask; 274 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 275 HostCmd_ACT_GEN_SET, 0, 276 &priv->mgmt_frame_mask, false); 277 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 278 } 279 } 280 281 /* 282 * CFG802.11 operation handler to remain on channel. 283 */ 284 static int 285 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 286 struct wireless_dev *wdev, 287 struct ieee80211_channel *chan, 288 unsigned int duration, u64 *cookie) 289 { 290 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 291 int ret; 292 293 if (!chan || !cookie) { 294 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); 295 return -EINVAL; 296 } 297 298 if (priv->roc_cfg.cookie) { 299 mwifiex_dbg(priv->adapter, INFO, 300 "info: ongoing ROC, cookie = 0x%llx\n", 301 priv->roc_cfg.cookie); 302 return -EBUSY; 303 } 304 305 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, 306 duration); 307 308 if (!ret) { 309 *cookie = prandom_u32() | 1; 310 priv->roc_cfg.cookie = *cookie; 311 priv->roc_cfg.chan = *chan; 312 313 cfg80211_ready_on_channel(wdev, *cookie, chan, 314 duration, GFP_ATOMIC); 315 316 mwifiex_dbg(priv->adapter, INFO, 317 "info: ROC, cookie = 0x%llx\n", *cookie); 318 } 319 320 return ret; 321 } 322 323 /* 324 * CFG802.11 operation handler to cancel remain on channel. 325 */ 326 static int 327 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 328 struct wireless_dev *wdev, u64 cookie) 329 { 330 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 331 int ret; 332 333 if (cookie != priv->roc_cfg.cookie) 334 return -ENOENT; 335 336 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 337 &priv->roc_cfg.chan, 0); 338 339 if (!ret) { 340 cfg80211_remain_on_channel_expired(wdev, cookie, 341 &priv->roc_cfg.chan, 342 GFP_ATOMIC); 343 344 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 345 346 mwifiex_dbg(priv->adapter, INFO, 347 "info: cancel ROC, cookie = 0x%llx\n", cookie); 348 } 349 350 return ret; 351 } 352 353 /* 354 * CFG802.11 operation handler to set Tx power. 355 */ 356 static int 357 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 358 struct wireless_dev *wdev, 359 enum nl80211_tx_power_setting type, 360 int mbm) 361 { 362 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 363 struct mwifiex_private *priv; 364 struct mwifiex_power_cfg power_cfg; 365 int dbm = MBM_TO_DBM(mbm); 366 367 if (type == NL80211_TX_POWER_FIXED) { 368 power_cfg.is_power_auto = 0; 369 power_cfg.power_level = dbm; 370 } else { 371 power_cfg.is_power_auto = 1; 372 } 373 374 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 375 376 return mwifiex_set_tx_power(priv, &power_cfg); 377 } 378 379 /* 380 * CFG802.11 operation handler to set Power Save option. 381 * 382 * The timeout value, if provided, is currently ignored. 383 */ 384 static int 385 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 386 struct net_device *dev, 387 bool enabled, int timeout) 388 { 389 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 390 u32 ps_mode; 391 392 if (timeout) 393 mwifiex_dbg(priv->adapter, INFO, 394 "info: ignore timeout value for IEEE Power Save\n"); 395 396 ps_mode = enabled; 397 398 return mwifiex_drv_set_power(priv, &ps_mode); 399 } 400 401 /* 402 * CFG802.11 operation handler to set the default network key. 403 */ 404 static int 405 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 406 u8 key_index, bool unicast, 407 bool multicast) 408 { 409 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 410 411 /* Return if WEP key not configured */ 412 if (!priv->sec_info.wep_enabled) 413 return 0; 414 415 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 416 priv->wep_key_curr_index = key_index; 417 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 418 NULL, 0)) { 419 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 420 return -EFAULT; 421 } 422 423 return 0; 424 } 425 426 /* 427 * CFG802.11 operation handler to add a network key. 428 */ 429 static int 430 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 431 u8 key_index, bool pairwise, const u8 *mac_addr, 432 struct key_params *params) 433 { 434 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 435 struct mwifiex_wep_key *wep_key; 436 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 437 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 438 439 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 440 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 441 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 442 if (params->key && params->key_len) { 443 wep_key = &priv->wep_key[key_index]; 444 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 445 memcpy(wep_key->key_material, params->key, 446 params->key_len); 447 wep_key->key_index = key_index; 448 wep_key->key_length = params->key_len; 449 priv->sec_info.wep_enabled = 1; 450 } 451 return 0; 452 } 453 454 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 455 key_index, peer_mac, 0)) { 456 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 457 return -EFAULT; 458 } 459 460 return 0; 461 } 462 463 /* 464 * This function sends domain information to the firmware. 465 * 466 * The following information are passed to the firmware - 467 * - Country codes 468 * - Sub bands (first channel, number of channels, maximum Tx power) 469 */ 470 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 471 { 472 u8 no_of_triplet = 0; 473 struct ieee80211_country_ie_triplet *t; 474 u8 no_of_parsed_chan = 0; 475 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 476 u8 i, flag = 0; 477 enum ieee80211_band band; 478 struct ieee80211_supported_band *sband; 479 struct ieee80211_channel *ch; 480 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 481 struct mwifiex_private *priv; 482 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 483 484 /* Set country code */ 485 domain_info->country_code[0] = adapter->country_code[0]; 486 domain_info->country_code[1] = adapter->country_code[1]; 487 domain_info->country_code[2] = ' '; 488 489 band = mwifiex_band_to_radio_type(adapter->config_bands); 490 if (!wiphy->bands[band]) { 491 mwifiex_dbg(adapter, ERROR, 492 "11D: setting domain info in FW\n"); 493 return -1; 494 } 495 496 sband = wiphy->bands[band]; 497 498 for (i = 0; i < sband->n_channels ; i++) { 499 ch = &sband->channels[i]; 500 if (ch->flags & IEEE80211_CHAN_DISABLED) 501 continue; 502 503 if (!flag) { 504 flag = 1; 505 first_chan = (u32) ch->hw_value; 506 next_chan = first_chan; 507 max_pwr = ch->max_power; 508 no_of_parsed_chan = 1; 509 continue; 510 } 511 512 if (ch->hw_value == next_chan + 1 && 513 ch->max_power == max_pwr) { 514 next_chan++; 515 no_of_parsed_chan++; 516 } else { 517 t = &domain_info->triplet[no_of_triplet]; 518 t->chans.first_channel = first_chan; 519 t->chans.num_channels = no_of_parsed_chan; 520 t->chans.max_power = max_pwr; 521 no_of_triplet++; 522 first_chan = (u32) ch->hw_value; 523 next_chan = first_chan; 524 max_pwr = ch->max_power; 525 no_of_parsed_chan = 1; 526 } 527 } 528 529 if (flag) { 530 t = &domain_info->triplet[no_of_triplet]; 531 t->chans.first_channel = first_chan; 532 t->chans.num_channels = no_of_parsed_chan; 533 t->chans.max_power = max_pwr; 534 no_of_triplet++; 535 } 536 537 domain_info->no_of_triplet = no_of_triplet; 538 539 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 540 541 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 542 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 543 mwifiex_dbg(adapter, INFO, 544 "11D: setting domain info in FW\n"); 545 return -1; 546 } 547 548 return 0; 549 } 550 551 /* 552 * CFG802.11 regulatory domain callback function. 553 * 554 * This function is called when the regulatory domain is changed due to the 555 * following reasons - 556 * - Set by driver 557 * - Set by system core 558 * - Set by user 559 * - Set bt Country IE 560 */ 561 static void mwifiex_reg_notifier(struct wiphy *wiphy, 562 struct regulatory_request *request) 563 { 564 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 565 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 566 MWIFIEX_BSS_ROLE_ANY); 567 mwifiex_dbg(adapter, INFO, 568 "info: cfg80211 regulatory domain callback for %c%c\n", 569 request->alpha2[0], request->alpha2[1]); 570 571 switch (request->initiator) { 572 case NL80211_REGDOM_SET_BY_DRIVER: 573 case NL80211_REGDOM_SET_BY_CORE: 574 case NL80211_REGDOM_SET_BY_USER: 575 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 576 break; 577 default: 578 mwifiex_dbg(adapter, ERROR, 579 "unknown regdom initiator: %d\n", 580 request->initiator); 581 return; 582 } 583 584 /* Don't send world or same regdom info to firmware */ 585 if (strncmp(request->alpha2, "00", 2) && 586 strncmp(request->alpha2, adapter->country_code, 587 sizeof(request->alpha2))) { 588 memcpy(adapter->country_code, request->alpha2, 589 sizeof(request->alpha2)); 590 mwifiex_send_domain_info_cmd_fw(wiphy); 591 mwifiex_dnld_txpwr_table(priv); 592 } 593 } 594 595 /* 596 * This function sets the fragmentation threshold. 597 * 598 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 599 * and MWIFIEX_FRAG_MAX_VALUE. 600 */ 601 static int 602 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 603 { 604 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 605 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 606 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 607 608 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 609 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 610 &frag_thr, true); 611 } 612 613 /* 614 * This function sets the RTS threshold. 615 616 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 617 * and MWIFIEX_RTS_MAX_VALUE. 618 */ 619 static int 620 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 621 { 622 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 623 rts_thr = MWIFIEX_RTS_MAX_VALUE; 624 625 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 626 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 627 &rts_thr, true); 628 } 629 630 /* 631 * CFG802.11 operation handler to set wiphy parameters. 632 * 633 * This function can be used to set the RTS threshold and the 634 * Fragmentation threshold of the driver. 635 */ 636 static int 637 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 638 { 639 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 640 struct mwifiex_private *priv; 641 struct mwifiex_uap_bss_param *bss_cfg; 642 int ret; 643 644 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 645 646 switch (priv->bss_role) { 647 case MWIFIEX_BSS_ROLE_UAP: 648 if (priv->bss_started) { 649 mwifiex_dbg(adapter, ERROR, 650 "cannot change wiphy params when bss started"); 651 return -EINVAL; 652 } 653 654 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 655 if (!bss_cfg) 656 return -ENOMEM; 657 658 mwifiex_set_sys_config_invalid_data(bss_cfg); 659 660 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 661 bss_cfg->rts_threshold = wiphy->rts_threshold; 662 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 663 bss_cfg->frag_threshold = wiphy->frag_threshold; 664 if (changed & WIPHY_PARAM_RETRY_LONG) 665 bss_cfg->retry_limit = wiphy->retry_long; 666 667 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 668 HostCmd_ACT_GEN_SET, 669 UAP_BSS_PARAMS_I, bss_cfg, 670 false); 671 672 kfree(bss_cfg); 673 if (ret) { 674 mwifiex_dbg(adapter, ERROR, 675 "Failed to set wiphy phy params\n"); 676 return ret; 677 } 678 break; 679 680 case MWIFIEX_BSS_ROLE_STA: 681 if (priv->media_connected) { 682 mwifiex_dbg(adapter, ERROR, 683 "cannot change wiphy params when connected"); 684 return -EINVAL; 685 } 686 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 687 ret = mwifiex_set_rts(priv, 688 wiphy->rts_threshold); 689 if (ret) 690 return ret; 691 } 692 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 693 ret = mwifiex_set_frag(priv, 694 wiphy->frag_threshold); 695 if (ret) 696 return ret; 697 } 698 break; 699 } 700 701 return 0; 702 } 703 704 static int 705 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 706 { 707 u16 mode = P2P_MODE_DISABLE; 708 709 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 710 HostCmd_ACT_GEN_SET, 0, &mode, true)) 711 return -1; 712 713 return 0; 714 } 715 716 /* 717 * This function initializes the functionalities for P2P client. 718 * The P2P client initialization sequence is: 719 * disable -> device -> client 720 */ 721 static int 722 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 723 { 724 u16 mode; 725 726 if (mwifiex_cfg80211_deinit_p2p(priv)) 727 return -1; 728 729 mode = P2P_MODE_DEVICE; 730 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 731 HostCmd_ACT_GEN_SET, 0, &mode, true)) 732 return -1; 733 734 mode = P2P_MODE_CLIENT; 735 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 736 HostCmd_ACT_GEN_SET, 0, &mode, true)) 737 return -1; 738 739 return 0; 740 } 741 742 /* 743 * This function initializes the functionalities for P2P GO. 744 * The P2P GO initialization sequence is: 745 * disable -> device -> GO 746 */ 747 static int 748 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 749 { 750 u16 mode; 751 752 if (mwifiex_cfg80211_deinit_p2p(priv)) 753 return -1; 754 755 mode = P2P_MODE_DEVICE; 756 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 757 HostCmd_ACT_GEN_SET, 0, &mode, true)) 758 return -1; 759 760 mode = P2P_MODE_GO; 761 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 762 HostCmd_ACT_GEN_SET, 0, &mode, true)) 763 return -1; 764 765 return 0; 766 } 767 768 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 769 { 770 struct mwifiex_adapter *adapter = priv->adapter; 771 unsigned long flags; 772 773 priv->mgmt_frame_mask = 0; 774 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 775 HostCmd_ACT_GEN_SET, 0, 776 &priv->mgmt_frame_mask, false)) { 777 mwifiex_dbg(adapter, ERROR, 778 "could not unregister mgmt frame rx\n"); 779 return -1; 780 } 781 782 mwifiex_deauthenticate(priv, NULL); 783 784 spin_lock_irqsave(&adapter->main_proc_lock, flags); 785 adapter->main_locked = true; 786 if (adapter->mwifiex_processing) { 787 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 788 flush_workqueue(adapter->workqueue); 789 } else { 790 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 791 } 792 793 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 794 adapter->rx_locked = true; 795 if (adapter->rx_processing) { 796 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 797 flush_workqueue(adapter->rx_workqueue); 798 } else { 799 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 800 } 801 802 mwifiex_free_priv(priv); 803 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 804 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 805 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 806 807 return 0; 808 } 809 810 static int 811 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 812 struct net_device *dev, 813 enum nl80211_iftype type) 814 { 815 struct mwifiex_adapter *adapter = priv->adapter; 816 unsigned long flags; 817 818 mwifiex_init_priv(priv); 819 820 priv->bss_mode = type; 821 priv->wdev.iftype = type; 822 823 mwifiex_init_priv_params(priv, priv->netdev); 824 priv->bss_started = 0; 825 826 switch (type) { 827 case NL80211_IFTYPE_STATION: 828 case NL80211_IFTYPE_ADHOC: 829 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 830 MWIFIEX_BSS_TYPE_STA); 831 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 832 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 833 break; 834 case NL80211_IFTYPE_P2P_CLIENT: 835 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 836 MWIFIEX_BSS_TYPE_P2P); 837 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 838 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 839 break; 840 case NL80211_IFTYPE_P2P_GO: 841 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 842 MWIFIEX_BSS_TYPE_P2P); 843 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 844 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 845 break; 846 case NL80211_IFTYPE_AP: 847 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 848 MWIFIEX_BSS_TYPE_UAP); 849 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 850 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 851 break; 852 default: 853 mwifiex_dbg(adapter, ERROR, 854 "%s: changing to %d not supported\n", 855 dev->name, type); 856 return -EOPNOTSUPP; 857 } 858 859 spin_lock_irqsave(&adapter->main_proc_lock, flags); 860 adapter->main_locked = false; 861 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 862 863 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 864 adapter->rx_locked = false; 865 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 866 867 return 0; 868 } 869 870 static int 871 mwifiex_change_vif_to_p2p(struct net_device *dev, 872 enum nl80211_iftype curr_iftype, 873 enum nl80211_iftype type, u32 *flags, 874 struct vif_params *params) 875 { 876 struct mwifiex_private *priv; 877 struct mwifiex_adapter *adapter; 878 879 priv = mwifiex_netdev_get_priv(dev); 880 881 if (!priv) 882 return -1; 883 884 adapter = priv->adapter; 885 886 if (adapter->curr_iface_comb.p2p_intf == 887 adapter->iface_limit.p2p_intf) { 888 mwifiex_dbg(adapter, ERROR, 889 "cannot create multiple P2P ifaces\n"); 890 return -1; 891 } 892 893 mwifiex_dbg(adapter, INFO, 894 "%s: changing role to p2p\n", dev->name); 895 896 if (mwifiex_deinit_priv_params(priv)) 897 return -1; 898 if (mwifiex_init_new_priv_params(priv, dev, type)) 899 return -1; 900 901 switch (type) { 902 case NL80211_IFTYPE_P2P_CLIENT: 903 if (mwifiex_cfg80211_init_p2p_client(priv)) 904 return -EFAULT; 905 break; 906 case NL80211_IFTYPE_P2P_GO: 907 if (mwifiex_cfg80211_init_p2p_go(priv)) 908 return -EFAULT; 909 break; 910 default: 911 mwifiex_dbg(adapter, ERROR, 912 "%s: changing to %d not supported\n", 913 dev->name, type); 914 return -EOPNOTSUPP; 915 } 916 917 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 918 HostCmd_ACT_GEN_SET, 0, NULL, true)) 919 return -1; 920 921 if (mwifiex_sta_init_cmd(priv, false, false)) 922 return -1; 923 924 switch (curr_iftype) { 925 case NL80211_IFTYPE_STATION: 926 case NL80211_IFTYPE_ADHOC: 927 adapter->curr_iface_comb.sta_intf--; 928 break; 929 case NL80211_IFTYPE_AP: 930 adapter->curr_iface_comb.uap_intf--; 931 break; 932 default: 933 break; 934 } 935 936 adapter->curr_iface_comb.p2p_intf++; 937 dev->ieee80211_ptr->iftype = type; 938 939 return 0; 940 } 941 942 static int 943 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 944 enum nl80211_iftype curr_iftype, 945 enum nl80211_iftype type, u32 *flags, 946 struct vif_params *params) 947 { 948 struct mwifiex_private *priv; 949 struct mwifiex_adapter *adapter; 950 951 priv = mwifiex_netdev_get_priv(dev); 952 953 if (!priv) 954 return -1; 955 956 adapter = priv->adapter; 957 958 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && 959 curr_iftype != NL80211_IFTYPE_P2P_GO) && 960 (adapter->curr_iface_comb.sta_intf == 961 adapter->iface_limit.sta_intf)) { 962 mwifiex_dbg(adapter, ERROR, 963 "cannot create multiple station/adhoc ifaces\n"); 964 return -1; 965 } 966 967 if (type == NL80211_IFTYPE_STATION) 968 mwifiex_dbg(adapter, INFO, 969 "%s: changing role to station\n", dev->name); 970 else 971 mwifiex_dbg(adapter, INFO, 972 "%s: changing role to adhoc\n", dev->name); 973 974 if (mwifiex_deinit_priv_params(priv)) 975 return -1; 976 if (mwifiex_init_new_priv_params(priv, dev, type)) 977 return -1; 978 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 979 HostCmd_ACT_GEN_SET, 0, NULL, true)) 980 return -1; 981 if (mwifiex_sta_init_cmd(priv, false, false)) 982 return -1; 983 984 switch (curr_iftype) { 985 case NL80211_IFTYPE_P2P_CLIENT: 986 case NL80211_IFTYPE_P2P_GO: 987 adapter->curr_iface_comb.p2p_intf--; 988 break; 989 case NL80211_IFTYPE_AP: 990 adapter->curr_iface_comb.uap_intf--; 991 break; 992 default: 993 break; 994 } 995 996 adapter->curr_iface_comb.sta_intf++; 997 dev->ieee80211_ptr->iftype = type; 998 return 0; 999 } 1000 1001 static int 1002 mwifiex_change_vif_to_ap(struct net_device *dev, 1003 enum nl80211_iftype curr_iftype, 1004 enum nl80211_iftype type, u32 *flags, 1005 struct vif_params *params) 1006 { 1007 struct mwifiex_private *priv; 1008 struct mwifiex_adapter *adapter; 1009 1010 priv = mwifiex_netdev_get_priv(dev); 1011 1012 if (!priv) 1013 return -1; 1014 1015 adapter = priv->adapter; 1016 1017 if (adapter->curr_iface_comb.uap_intf == 1018 adapter->iface_limit.uap_intf) { 1019 mwifiex_dbg(adapter, ERROR, 1020 "cannot create multiple AP ifaces\n"); 1021 return -1; 1022 } 1023 1024 mwifiex_dbg(adapter, INFO, 1025 "%s: changing role to AP\n", dev->name); 1026 1027 if (mwifiex_deinit_priv_params(priv)) 1028 return -1; 1029 if (mwifiex_init_new_priv_params(priv, dev, type)) 1030 return -1; 1031 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1032 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1033 return -1; 1034 if (mwifiex_sta_init_cmd(priv, false, false)) 1035 return -1; 1036 1037 switch (curr_iftype) { 1038 case NL80211_IFTYPE_P2P_CLIENT: 1039 case NL80211_IFTYPE_P2P_GO: 1040 adapter->curr_iface_comb.p2p_intf--; 1041 break; 1042 case NL80211_IFTYPE_STATION: 1043 case NL80211_IFTYPE_ADHOC: 1044 adapter->curr_iface_comb.sta_intf--; 1045 break; 1046 default: 1047 break; 1048 } 1049 1050 adapter->curr_iface_comb.uap_intf++; 1051 dev->ieee80211_ptr->iftype = type; 1052 return 0; 1053 } 1054 /* 1055 * CFG802.11 operation handler to change interface type. 1056 */ 1057 static int 1058 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1059 struct net_device *dev, 1060 enum nl80211_iftype type, u32 *flags, 1061 struct vif_params *params) 1062 { 1063 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1064 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1065 1066 switch (curr_iftype) { 1067 case NL80211_IFTYPE_ADHOC: 1068 switch (type) { 1069 case NL80211_IFTYPE_STATION: 1070 priv->bss_mode = type; 1071 priv->sec_info.authentication_mode = 1072 NL80211_AUTHTYPE_OPEN_SYSTEM; 1073 dev->ieee80211_ptr->iftype = type; 1074 mwifiex_deauthenticate(priv, NULL); 1075 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1076 HostCmd_ACT_GEN_SET, 0, NULL, 1077 true); 1078 case NL80211_IFTYPE_P2P_CLIENT: 1079 case NL80211_IFTYPE_P2P_GO: 1080 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1081 type, flags, params); 1082 case NL80211_IFTYPE_AP: 1083 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1084 flags, params); 1085 case NL80211_IFTYPE_UNSPECIFIED: 1086 mwifiex_dbg(priv->adapter, INFO, 1087 "%s: kept type as IBSS\n", dev->name); 1088 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ 1089 return 0; 1090 default: 1091 mwifiex_dbg(priv->adapter, ERROR, 1092 "%s: changing to %d not supported\n", 1093 dev->name, type); 1094 return -EOPNOTSUPP; 1095 } 1096 break; 1097 case NL80211_IFTYPE_STATION: 1098 switch (type) { 1099 case NL80211_IFTYPE_ADHOC: 1100 priv->bss_mode = type; 1101 priv->sec_info.authentication_mode = 1102 NL80211_AUTHTYPE_OPEN_SYSTEM; 1103 dev->ieee80211_ptr->iftype = type; 1104 mwifiex_deauthenticate(priv, NULL); 1105 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1106 HostCmd_ACT_GEN_SET, 0, NULL, 1107 true); 1108 case NL80211_IFTYPE_P2P_CLIENT: 1109 case NL80211_IFTYPE_P2P_GO: 1110 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1111 type, flags, params); 1112 case NL80211_IFTYPE_AP: 1113 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1114 flags, params); 1115 case NL80211_IFTYPE_UNSPECIFIED: 1116 mwifiex_dbg(priv->adapter, INFO, 1117 "%s: kept type as STA\n", dev->name); 1118 case NL80211_IFTYPE_STATION: /* This shouldn't happen */ 1119 return 0; 1120 default: 1121 mwifiex_dbg(priv->adapter, ERROR, 1122 "%s: changing to %d not supported\n", 1123 dev->name, type); 1124 return -EOPNOTSUPP; 1125 } 1126 break; 1127 case NL80211_IFTYPE_AP: 1128 switch (type) { 1129 case NL80211_IFTYPE_ADHOC: 1130 case NL80211_IFTYPE_STATION: 1131 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1132 type, flags, 1133 params); 1134 break; 1135 case NL80211_IFTYPE_P2P_CLIENT: 1136 case NL80211_IFTYPE_P2P_GO: 1137 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1138 type, flags, params); 1139 case NL80211_IFTYPE_UNSPECIFIED: 1140 mwifiex_dbg(priv->adapter, INFO, 1141 "%s: kept type as AP\n", dev->name); 1142 case NL80211_IFTYPE_AP: /* This shouldn't happen */ 1143 return 0; 1144 default: 1145 mwifiex_dbg(priv->adapter, ERROR, 1146 "%s: changing to %d not supported\n", 1147 dev->name, type); 1148 return -EOPNOTSUPP; 1149 } 1150 break; 1151 case NL80211_IFTYPE_P2P_CLIENT: 1152 case NL80211_IFTYPE_P2P_GO: 1153 switch (type) { 1154 case NL80211_IFTYPE_STATION: 1155 if (mwifiex_cfg80211_deinit_p2p(priv)) 1156 return -EFAULT; 1157 priv->adapter->curr_iface_comb.p2p_intf--; 1158 priv->adapter->curr_iface_comb.sta_intf++; 1159 dev->ieee80211_ptr->iftype = type; 1160 break; 1161 case NL80211_IFTYPE_ADHOC: 1162 if (mwifiex_cfg80211_deinit_p2p(priv)) 1163 return -EFAULT; 1164 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1165 type, flags, 1166 params); 1167 break; 1168 case NL80211_IFTYPE_AP: 1169 if (mwifiex_cfg80211_deinit_p2p(priv)) 1170 return -EFAULT; 1171 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1172 flags, params); 1173 case NL80211_IFTYPE_UNSPECIFIED: 1174 mwifiex_dbg(priv->adapter, INFO, 1175 "%s: kept type as P2P\n", dev->name); 1176 case NL80211_IFTYPE_P2P_CLIENT: 1177 case NL80211_IFTYPE_P2P_GO: 1178 return 0; 1179 default: 1180 mwifiex_dbg(priv->adapter, ERROR, 1181 "%s: changing to %d not supported\n", 1182 dev->name, type); 1183 return -EOPNOTSUPP; 1184 } 1185 break; 1186 default: 1187 mwifiex_dbg(priv->adapter, ERROR, 1188 "%s: unknown iftype: %d\n", 1189 dev->name, dev->ieee80211_ptr->iftype); 1190 return -EOPNOTSUPP; 1191 } 1192 1193 1194 return 0; 1195 } 1196 1197 static void 1198 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, 1199 struct rate_info *rate) 1200 { 1201 struct mwifiex_adapter *adapter = priv->adapter; 1202 1203 if (adapter->is_hw_11ac_capable) { 1204 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1205 if (tx_htinfo & BIT(0)) { 1206 /* HT */ 1207 rate->mcs = priv->tx_rate; 1208 rate->flags |= RATE_INFO_FLAGS_MCS; 1209 } 1210 if (tx_htinfo & BIT(1)) { 1211 /* VHT */ 1212 rate->mcs = priv->tx_rate & 0x0F; 1213 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1214 } 1215 1216 if (tx_htinfo & (BIT(1) | BIT(0))) { 1217 /* HT or VHT */ 1218 switch (tx_htinfo & (BIT(3) | BIT(2))) { 1219 case 0: 1220 rate->bw = RATE_INFO_BW_20; 1221 break; 1222 case (BIT(2)): 1223 rate->bw = RATE_INFO_BW_40; 1224 break; 1225 case (BIT(3)): 1226 rate->bw = RATE_INFO_BW_80; 1227 break; 1228 case (BIT(3) | BIT(2)): 1229 rate->bw = RATE_INFO_BW_160; 1230 break; 1231 } 1232 1233 if (tx_htinfo & BIT(4)) 1234 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1235 1236 if ((priv->tx_rate >> 4) == 1) 1237 rate->nss = 2; 1238 else 1239 rate->nss = 1; 1240 } 1241 } else { 1242 /* 1243 * Bit 0 in tx_htinfo indicates that current Tx rate 1244 * is 11n rate. Valid MCS index values for us are 0 to 15. 1245 */ 1246 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { 1247 rate->mcs = priv->tx_rate; 1248 rate->flags |= RATE_INFO_FLAGS_MCS; 1249 rate->bw = RATE_INFO_BW_20; 1250 if (tx_htinfo & BIT(1)) 1251 rate->bw = RATE_INFO_BW_40; 1252 if (tx_htinfo & BIT(2)) 1253 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1254 } 1255 } 1256 } 1257 1258 /* 1259 * This function dumps the station information on a buffer. 1260 * 1261 * The following information are shown - 1262 * - Total bytes transmitted 1263 * - Total bytes received 1264 * - Total packets transmitted 1265 * - Total packets received 1266 * - Signal quality level 1267 * - Transmission rate 1268 */ 1269 static int 1270 mwifiex_dump_station_info(struct mwifiex_private *priv, 1271 struct mwifiex_sta_node *node, 1272 struct station_info *sinfo) 1273 { 1274 u32 rate; 1275 1276 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | 1277 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | 1278 BIT(NL80211_STA_INFO_TX_BITRATE) | 1279 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); 1280 1281 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1282 if (!node) 1283 return -ENOENT; 1284 1285 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | 1286 BIT(NL80211_STA_INFO_TX_FAILED); 1287 sinfo->inactive_time = 1288 jiffies_to_msecs(jiffies - node->stats.last_rx); 1289 1290 sinfo->signal = node->stats.rssi; 1291 sinfo->signal_avg = node->stats.rssi; 1292 sinfo->rx_bytes = node->stats.rx_bytes; 1293 sinfo->tx_bytes = node->stats.tx_bytes; 1294 sinfo->rx_packets = node->stats.rx_packets; 1295 sinfo->tx_packets = node->stats.tx_packets; 1296 sinfo->tx_failed = node->stats.tx_failed; 1297 1298 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, 1299 &sinfo->txrate); 1300 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1301 1302 return 0; 1303 } 1304 1305 /* Get signal information from the firmware */ 1306 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1307 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1308 mwifiex_dbg(priv->adapter, ERROR, 1309 "failed to get signal information\n"); 1310 return -EFAULT; 1311 } 1312 1313 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1314 mwifiex_dbg(priv->adapter, ERROR, 1315 "getting data rate error\n"); 1316 return -EFAULT; 1317 } 1318 1319 /* Get DTIM period information from firmware */ 1320 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1321 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1322 &priv->dtim_period, true); 1323 1324 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); 1325 1326 sinfo->signal_avg = priv->bcn_rssi_avg; 1327 sinfo->rx_bytes = priv->stats.rx_bytes; 1328 sinfo->tx_bytes = priv->stats.tx_bytes; 1329 sinfo->rx_packets = priv->stats.rx_packets; 1330 sinfo->tx_packets = priv->stats.tx_packets; 1331 sinfo->signal = priv->bcn_rssi_avg; 1332 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1333 sinfo->txrate.legacy = rate * 5; 1334 1335 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1336 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); 1337 sinfo->bss_param.flags = 0; 1338 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1339 WLAN_CAPABILITY_SHORT_PREAMBLE) 1340 sinfo->bss_param.flags |= 1341 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1342 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1343 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1344 sinfo->bss_param.flags |= 1345 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1346 sinfo->bss_param.dtim_period = priv->dtim_period; 1347 sinfo->bss_param.beacon_interval = 1348 priv->curr_bss_params.bss_descriptor.beacon_period; 1349 } 1350 1351 return 0; 1352 } 1353 1354 /* 1355 * CFG802.11 operation handler to get station information. 1356 * 1357 * This function only works in connected mode, and dumps the 1358 * requested station information, if available. 1359 */ 1360 static int 1361 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1362 const u8 *mac, struct station_info *sinfo) 1363 { 1364 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1365 1366 if (!priv->media_connected) 1367 return -ENOENT; 1368 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1369 return -ENOENT; 1370 1371 return mwifiex_dump_station_info(priv, NULL, sinfo); 1372 } 1373 1374 /* 1375 * CFG802.11 operation handler to dump station information. 1376 */ 1377 static int 1378 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1379 int idx, u8 *mac, struct station_info *sinfo) 1380 { 1381 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1382 static struct mwifiex_sta_node *node; 1383 1384 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1385 priv->media_connected && idx == 0) { 1386 ether_addr_copy(mac, priv->cfg_bssid); 1387 return mwifiex_dump_station_info(priv, NULL, sinfo); 1388 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1389 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1390 HostCmd_ACT_GEN_GET, 0, NULL, true); 1391 1392 if (node && (&node->list == &priv->sta_list)) { 1393 node = NULL; 1394 return -ENOENT; 1395 } 1396 1397 node = list_prepare_entry(node, &priv->sta_list, list); 1398 list_for_each_entry_continue(node, &priv->sta_list, list) { 1399 ether_addr_copy(mac, node->mac_addr); 1400 return mwifiex_dump_station_info(priv, node, sinfo); 1401 } 1402 } 1403 1404 return -ENOENT; 1405 } 1406 1407 static int 1408 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1409 int idx, struct survey_info *survey) 1410 { 1411 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1412 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1413 enum ieee80211_band band; 1414 1415 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1416 1417 memset(survey, 0, sizeof(struct survey_info)); 1418 1419 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1420 priv->media_connected && idx == 0) { 1421 u8 curr_bss_band = priv->curr_bss_params.band; 1422 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1423 1424 band = mwifiex_band_to_radio_type(curr_bss_band); 1425 survey->channel = ieee80211_get_channel(wiphy, 1426 ieee80211_channel_to_frequency(chan, band)); 1427 1428 if (priv->bcn_nf_last) { 1429 survey->filled = SURVEY_INFO_NOISE_DBM; 1430 survey->noise = priv->bcn_nf_last; 1431 } 1432 return 0; 1433 } 1434 1435 if (idx >= priv->adapter->num_in_chan_stats) 1436 return -ENOENT; 1437 1438 if (!pchan_stats[idx].cca_scan_dur) 1439 return 0; 1440 1441 band = pchan_stats[idx].bandcfg; 1442 survey->channel = ieee80211_get_channel(wiphy, 1443 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1444 survey->filled = SURVEY_INFO_NOISE_DBM | 1445 SURVEY_INFO_TIME | 1446 SURVEY_INFO_TIME_BUSY; 1447 survey->noise = pchan_stats[idx].noise; 1448 survey->time = pchan_stats[idx].cca_scan_dur; 1449 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1450 1451 return 0; 1452 } 1453 1454 /* Supported rates to be advertised to the cfg80211 */ 1455 static struct ieee80211_rate mwifiex_rates[] = { 1456 {.bitrate = 10, .hw_value = 2, }, 1457 {.bitrate = 20, .hw_value = 4, }, 1458 {.bitrate = 55, .hw_value = 11, }, 1459 {.bitrate = 110, .hw_value = 22, }, 1460 {.bitrate = 60, .hw_value = 12, }, 1461 {.bitrate = 90, .hw_value = 18, }, 1462 {.bitrate = 120, .hw_value = 24, }, 1463 {.bitrate = 180, .hw_value = 36, }, 1464 {.bitrate = 240, .hw_value = 48, }, 1465 {.bitrate = 360, .hw_value = 72, }, 1466 {.bitrate = 480, .hw_value = 96, }, 1467 {.bitrate = 540, .hw_value = 108, }, 1468 }; 1469 1470 /* Channel definitions to be advertised to cfg80211 */ 1471 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1472 {.center_freq = 2412, .hw_value = 1, }, 1473 {.center_freq = 2417, .hw_value = 2, }, 1474 {.center_freq = 2422, .hw_value = 3, }, 1475 {.center_freq = 2427, .hw_value = 4, }, 1476 {.center_freq = 2432, .hw_value = 5, }, 1477 {.center_freq = 2437, .hw_value = 6, }, 1478 {.center_freq = 2442, .hw_value = 7, }, 1479 {.center_freq = 2447, .hw_value = 8, }, 1480 {.center_freq = 2452, .hw_value = 9, }, 1481 {.center_freq = 2457, .hw_value = 10, }, 1482 {.center_freq = 2462, .hw_value = 11, }, 1483 {.center_freq = 2467, .hw_value = 12, }, 1484 {.center_freq = 2472, .hw_value = 13, }, 1485 {.center_freq = 2484, .hw_value = 14, }, 1486 }; 1487 1488 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1489 .channels = mwifiex_channels_2ghz, 1490 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1491 .bitrates = mwifiex_rates, 1492 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1493 }; 1494 1495 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1496 {.center_freq = 5040, .hw_value = 8, }, 1497 {.center_freq = 5060, .hw_value = 12, }, 1498 {.center_freq = 5080, .hw_value = 16, }, 1499 {.center_freq = 5170, .hw_value = 34, }, 1500 {.center_freq = 5190, .hw_value = 38, }, 1501 {.center_freq = 5210, .hw_value = 42, }, 1502 {.center_freq = 5230, .hw_value = 46, }, 1503 {.center_freq = 5180, .hw_value = 36, }, 1504 {.center_freq = 5200, .hw_value = 40, }, 1505 {.center_freq = 5220, .hw_value = 44, }, 1506 {.center_freq = 5240, .hw_value = 48, }, 1507 {.center_freq = 5260, .hw_value = 52, }, 1508 {.center_freq = 5280, .hw_value = 56, }, 1509 {.center_freq = 5300, .hw_value = 60, }, 1510 {.center_freq = 5320, .hw_value = 64, }, 1511 {.center_freq = 5500, .hw_value = 100, }, 1512 {.center_freq = 5520, .hw_value = 104, }, 1513 {.center_freq = 5540, .hw_value = 108, }, 1514 {.center_freq = 5560, .hw_value = 112, }, 1515 {.center_freq = 5580, .hw_value = 116, }, 1516 {.center_freq = 5600, .hw_value = 120, }, 1517 {.center_freq = 5620, .hw_value = 124, }, 1518 {.center_freq = 5640, .hw_value = 128, }, 1519 {.center_freq = 5660, .hw_value = 132, }, 1520 {.center_freq = 5680, .hw_value = 136, }, 1521 {.center_freq = 5700, .hw_value = 140, }, 1522 {.center_freq = 5745, .hw_value = 149, }, 1523 {.center_freq = 5765, .hw_value = 153, }, 1524 {.center_freq = 5785, .hw_value = 157, }, 1525 {.center_freq = 5805, .hw_value = 161, }, 1526 {.center_freq = 5825, .hw_value = 165, }, 1527 }; 1528 1529 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1530 .channels = mwifiex_channels_5ghz, 1531 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1532 .bitrates = mwifiex_rates + 4, 1533 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1534 }; 1535 1536 1537 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1538 static const u32 mwifiex_cipher_suites[] = { 1539 WLAN_CIPHER_SUITE_WEP40, 1540 WLAN_CIPHER_SUITE_WEP104, 1541 WLAN_CIPHER_SUITE_TKIP, 1542 WLAN_CIPHER_SUITE_CCMP, 1543 WLAN_CIPHER_SUITE_SMS4, 1544 WLAN_CIPHER_SUITE_AES_CMAC, 1545 }; 1546 1547 /* Supported mgmt frame types to be advertised to cfg80211 */ 1548 static const struct ieee80211_txrx_stypes 1549 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1550 [NL80211_IFTYPE_STATION] = { 1551 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1552 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1553 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1554 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1555 }, 1556 [NL80211_IFTYPE_AP] = { 1557 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1558 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1559 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1560 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1561 }, 1562 [NL80211_IFTYPE_P2P_CLIENT] = { 1563 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1564 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1565 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1566 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1567 }, 1568 [NL80211_IFTYPE_P2P_GO] = { 1569 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1570 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1571 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1572 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1573 }, 1574 }; 1575 1576 /* 1577 * CFG802.11 operation handler for setting bit rates. 1578 * 1579 * Function configures data rates to firmware using bitrate mask 1580 * provided by cfg80211. 1581 */ 1582 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1583 struct net_device *dev, 1584 const u8 *peer, 1585 const struct cfg80211_bitrate_mask *mask) 1586 { 1587 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1588 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1589 enum ieee80211_band band; 1590 struct mwifiex_adapter *adapter = priv->adapter; 1591 1592 if (!priv->media_connected) { 1593 mwifiex_dbg(adapter, ERROR, 1594 "Can not set Tx data rate in disconnected state\n"); 1595 return -EINVAL; 1596 } 1597 1598 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1599 1600 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1601 1602 /* Fill HR/DSSS rates. */ 1603 if (band == IEEE80211_BAND_2GHZ) 1604 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1605 1606 /* Fill OFDM rates */ 1607 if (band == IEEE80211_BAND_2GHZ) 1608 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1609 else 1610 bitmap_rates[1] = mask->control[band].legacy; 1611 1612 /* Fill HT MCS rates */ 1613 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1614 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1615 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1616 1617 /* Fill VHT MCS rates */ 1618 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1619 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1620 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1621 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1622 } 1623 1624 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1625 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1626 } 1627 1628 /* 1629 * CFG802.11 operation handler for connection quality monitoring. 1630 * 1631 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1632 * events to FW. 1633 */ 1634 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1635 struct net_device *dev, 1636 s32 rssi_thold, u32 rssi_hyst) 1637 { 1638 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1639 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1640 1641 priv->cqm_rssi_thold = rssi_thold; 1642 priv->cqm_rssi_hyst = rssi_hyst; 1643 1644 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1645 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1646 1647 /* Subscribe/unsubscribe low and high rssi events */ 1648 if (rssi_thold && rssi_hyst) { 1649 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1650 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1651 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1652 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1653 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1654 return mwifiex_send_cmd(priv, 1655 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1656 0, 0, &subsc_evt, true); 1657 } else { 1658 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1659 return mwifiex_send_cmd(priv, 1660 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1661 0, 0, &subsc_evt, true); 1662 } 1663 1664 return 0; 1665 } 1666 1667 /* cfg80211 operation handler for change_beacon. 1668 * Function retrieves and sets modified management IEs to FW. 1669 */ 1670 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1671 struct net_device *dev, 1672 struct cfg80211_beacon_data *data) 1673 { 1674 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1675 1676 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1677 mwifiex_dbg(priv->adapter, ERROR, 1678 "%s: bss_type mismatched\n", __func__); 1679 return -EINVAL; 1680 } 1681 1682 if (!priv->bss_started) { 1683 mwifiex_dbg(priv->adapter, ERROR, 1684 "%s: bss not started\n", __func__); 1685 return -EINVAL; 1686 } 1687 1688 if (mwifiex_set_mgmt_ies(priv, data)) { 1689 mwifiex_dbg(priv->adapter, ERROR, 1690 "%s: setting mgmt ies failed\n", __func__); 1691 return -EFAULT; 1692 } 1693 1694 return 0; 1695 } 1696 1697 /* cfg80211 operation handler for del_station. 1698 * Function deauthenticates station which value is provided in mac parameter. 1699 * If mac is NULL/broadcast, all stations in associated station list are 1700 * deauthenticated. If bss is not started or there are no stations in 1701 * associated stations list, no action is taken. 1702 */ 1703 static int 1704 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1705 struct station_del_parameters *params) 1706 { 1707 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1708 struct mwifiex_sta_node *sta_node; 1709 u8 deauth_mac[ETH_ALEN]; 1710 unsigned long flags; 1711 1712 if (!priv->bss_started && priv->wdev.cac_started) { 1713 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1714 mwifiex_abort_cac(priv); 1715 } 1716 1717 if (list_empty(&priv->sta_list) || !priv->bss_started) 1718 return 0; 1719 1720 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1721 return 0; 1722 1723 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1724 __func__, params->mac); 1725 1726 eth_zero_addr(deauth_mac); 1727 1728 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 1729 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1730 if (sta_node) 1731 ether_addr_copy(deauth_mac, params->mac); 1732 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 1733 1734 if (is_valid_ether_addr(deauth_mac)) { 1735 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1736 HostCmd_ACT_GEN_SET, 0, 1737 deauth_mac, true)) 1738 return -1; 1739 } 1740 1741 return 0; 1742 } 1743 1744 static int 1745 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1746 { 1747 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1748 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1749 MWIFIEX_BSS_ROLE_ANY); 1750 struct mwifiex_ds_ant_cfg ant_cfg; 1751 1752 if (!tx_ant || !rx_ant) 1753 return -EOPNOTSUPP; 1754 1755 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1756 /* Not a MIMO chip. User should provide specific antenna number 1757 * for Tx/Rx path or enable all antennas for diversity 1758 */ 1759 if (tx_ant != rx_ant) 1760 return -EOPNOTSUPP; 1761 1762 if ((tx_ant & (tx_ant - 1)) && 1763 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1764 return -EOPNOTSUPP; 1765 1766 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1767 (priv->adapter->number_of_antenna > 1)) { 1768 tx_ant = RF_ANTENNA_AUTO; 1769 rx_ant = RF_ANTENNA_AUTO; 1770 } 1771 } else { 1772 struct ieee80211_sta_ht_cap *ht_info; 1773 int rx_mcs_supp; 1774 enum ieee80211_band band; 1775 1776 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1777 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1778 if (adapter->is_hw_11ac_capable) 1779 adapter->usr_dot_11ac_mcs_support = 1780 MWIFIEX_11AC_MCS_MAP_1X1; 1781 } else { 1782 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1783 if (adapter->is_hw_11ac_capable) 1784 adapter->usr_dot_11ac_mcs_support = 1785 MWIFIEX_11AC_MCS_MAP_2X2; 1786 } 1787 1788 for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 1789 if (!adapter->wiphy->bands[band]) 1790 continue; 1791 1792 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1793 rx_mcs_supp = 1794 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1795 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1796 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1797 } 1798 } 1799 1800 ant_cfg.tx_ant = tx_ant; 1801 ant_cfg.rx_ant = rx_ant; 1802 1803 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1804 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 1805 } 1806 1807 /* cfg80211 operation handler for stop ap. 1808 * Function stops BSS running at uAP interface. 1809 */ 1810 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1811 { 1812 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1813 1814 mwifiex_abort_cac(priv); 1815 1816 if (mwifiex_del_mgmt_ies(priv)) 1817 mwifiex_dbg(priv->adapter, ERROR, 1818 "Failed to delete mgmt IEs!\n"); 1819 1820 priv->ap_11n_enabled = 0; 1821 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 1822 1823 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 1824 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1825 mwifiex_dbg(priv->adapter, ERROR, 1826 "Failed to stop the BSS\n"); 1827 return -1; 1828 } 1829 1830 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 1831 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1832 mwifiex_dbg(priv->adapter, ERROR, 1833 "Failed to reset BSS\n"); 1834 return -1; 1835 } 1836 1837 if (netif_carrier_ok(priv->netdev)) 1838 netif_carrier_off(priv->netdev); 1839 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 1840 1841 return 0; 1842 } 1843 1844 /* cfg80211 operation handler for start_ap. 1845 * Function sets beacon period, DTIM period, SSID and security into 1846 * AP config structure. 1847 * AP is configured with these settings and BSS is started. 1848 */ 1849 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 1850 struct net_device *dev, 1851 struct cfg80211_ap_settings *params) 1852 { 1853 struct mwifiex_uap_bss_param *bss_cfg; 1854 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1855 1856 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 1857 return -1; 1858 1859 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 1860 if (!bss_cfg) 1861 return -ENOMEM; 1862 1863 mwifiex_set_sys_config_invalid_data(bss_cfg); 1864 1865 if (params->beacon_interval) 1866 bss_cfg->beacon_period = params->beacon_interval; 1867 if (params->dtim_period) 1868 bss_cfg->dtim_period = params->dtim_period; 1869 1870 if (params->ssid && params->ssid_len) { 1871 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 1872 bss_cfg->ssid.ssid_len = params->ssid_len; 1873 } 1874 if (params->inactivity_timeout > 0) { 1875 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 1876 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 1877 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 1878 } 1879 1880 switch (params->hidden_ssid) { 1881 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1882 bss_cfg->bcast_ssid_ctl = 1; 1883 break; 1884 case NL80211_HIDDEN_SSID_ZERO_LEN: 1885 bss_cfg->bcast_ssid_ctl = 0; 1886 break; 1887 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1888 /* firmware doesn't support this type of hidden SSID */ 1889 default: 1890 kfree(bss_cfg); 1891 return -EINVAL; 1892 } 1893 1894 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 1895 mwifiex_set_uap_rates(bss_cfg, params); 1896 1897 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 1898 kfree(bss_cfg); 1899 mwifiex_dbg(priv->adapter, ERROR, 1900 "Failed to parse secuirty parameters!\n"); 1901 return -1; 1902 } 1903 1904 mwifiex_set_ht_params(priv, bss_cfg, params); 1905 1906 if (priv->adapter->is_hw_11ac_capable) { 1907 mwifiex_set_vht_params(priv, bss_cfg, params); 1908 mwifiex_set_vht_width(priv, params->chandef.width, 1909 priv->ap_11ac_enabled); 1910 } 1911 1912 if (priv->ap_11ac_enabled) 1913 mwifiex_set_11ac_ba_params(priv); 1914 else 1915 mwifiex_set_ba_params(priv); 1916 1917 mwifiex_set_wmm_params(priv, bss_cfg, params); 1918 1919 if (mwifiex_is_11h_active(priv)) 1920 mwifiex_set_tpc_params(priv, bss_cfg, params); 1921 1922 if (mwifiex_is_11h_active(priv) && 1923 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 1924 priv->bss_mode)) { 1925 mwifiex_dbg(priv->adapter, INFO, 1926 "Disable 11h extensions in FW\n"); 1927 if (mwifiex_11h_activate(priv, false)) { 1928 mwifiex_dbg(priv->adapter, ERROR, 1929 "Failed to disable 11h extensions!!"); 1930 return -1; 1931 } 1932 priv->state_11h.is_11h_active = false; 1933 } 1934 1935 if (mwifiex_config_start_uap(priv, bss_cfg)) { 1936 mwifiex_dbg(priv->adapter, ERROR, 1937 "Failed to start AP\n"); 1938 kfree(bss_cfg); 1939 return -1; 1940 } 1941 1942 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 1943 return -1; 1944 1945 if (!netif_carrier_ok(priv->netdev)) 1946 netif_carrier_on(priv->netdev); 1947 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 1948 1949 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 1950 kfree(bss_cfg); 1951 return 0; 1952 } 1953 1954 /* 1955 * CFG802.11 operation handler for disconnection request. 1956 * 1957 * This function does not work when there is already a disconnection 1958 * procedure going on. 1959 */ 1960 static int 1961 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 1962 u16 reason_code) 1963 { 1964 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1965 1966 if (!mwifiex_stop_bg_scan(priv)) 1967 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 1968 1969 if (mwifiex_deauthenticate(priv, NULL)) 1970 return -EFAULT; 1971 1972 mwifiex_dbg(priv->adapter, MSG, 1973 "info: successfully disconnected from %pM:\t" 1974 "reason code %d\n", priv->cfg_bssid, reason_code); 1975 1976 eth_zero_addr(priv->cfg_bssid); 1977 priv->hs2_enabled = false; 1978 1979 return 0; 1980 } 1981 1982 /* 1983 * This function informs the CFG802.11 subsystem of a new IBSS. 1984 * 1985 * The following information are sent to the CFG802.11 subsystem 1986 * to register the new IBSS. If we do not register the new IBSS, 1987 * a kernel panic will result. 1988 * - SSID 1989 * - SSID length 1990 * - BSSID 1991 * - Channel 1992 */ 1993 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 1994 { 1995 struct ieee80211_channel *chan; 1996 struct mwifiex_bss_info bss_info; 1997 struct cfg80211_bss *bss; 1998 int ie_len; 1999 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2000 enum ieee80211_band band; 2001 2002 if (mwifiex_get_bss_info(priv, &bss_info)) 2003 return -1; 2004 2005 ie_buf[0] = WLAN_EID_SSID; 2006 ie_buf[1] = bss_info.ssid.ssid_len; 2007 2008 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2009 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2010 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2011 2012 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2013 chan = __ieee80211_get_channel(priv->wdev.wiphy, 2014 ieee80211_channel_to_frequency(bss_info.bss_chan, 2015 band)); 2016 2017 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2018 CFG80211_BSS_FTYPE_UNKNOWN, 2019 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2020 0, ie_buf, ie_len, 0, GFP_KERNEL); 2021 if (bss) { 2022 cfg80211_put_bss(priv->wdev.wiphy, bss); 2023 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2024 } 2025 2026 return 0; 2027 } 2028 2029 /* 2030 * This function connects with a BSS. 2031 * 2032 * This function handles both Infra and Ad-Hoc modes. It also performs 2033 * validity checking on the provided parameters, disconnects from the 2034 * current BSS (if any), sets up the association/scan parameters, 2035 * including security settings, and performs specific SSID scan before 2036 * trying to connect. 2037 * 2038 * For Infra mode, the function returns failure if the specified SSID 2039 * is not found in scan table. However, for Ad-Hoc mode, it can create 2040 * the IBSS if it does not exist. On successful completion in either case, 2041 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2042 */ 2043 static int 2044 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2045 const u8 *ssid, const u8 *bssid, int mode, 2046 struct ieee80211_channel *channel, 2047 struct cfg80211_connect_params *sme, bool privacy) 2048 { 2049 struct cfg80211_ssid req_ssid; 2050 int ret, auth_type = 0; 2051 struct cfg80211_bss *bss = NULL; 2052 u8 is_scanning_required = 0; 2053 2054 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2055 2056 req_ssid.ssid_len = ssid_len; 2057 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2058 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2059 return -EINVAL; 2060 } 2061 2062 memcpy(req_ssid.ssid, ssid, ssid_len); 2063 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2064 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2065 return -EINVAL; 2066 } 2067 2068 /* As this is new association, clear locally stored 2069 * keys and security related flags */ 2070 priv->sec_info.wpa_enabled = false; 2071 priv->sec_info.wpa2_enabled = false; 2072 priv->wep_key_curr_index = 0; 2073 priv->sec_info.encryption_mode = 0; 2074 priv->sec_info.is_authtype_auto = 0; 2075 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2076 2077 if (mode == NL80211_IFTYPE_ADHOC) { 2078 /* "privacy" is set only for ad-hoc mode */ 2079 if (privacy) { 2080 /* 2081 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2082 * the firmware can find a matching network from the 2083 * scan. The cfg80211 does not give us the encryption 2084 * mode at this stage so just setting it to WEP here. 2085 */ 2086 priv->sec_info.encryption_mode = 2087 WLAN_CIPHER_SUITE_WEP104; 2088 priv->sec_info.authentication_mode = 2089 NL80211_AUTHTYPE_OPEN_SYSTEM; 2090 } 2091 2092 goto done; 2093 } 2094 2095 /* Now handle infra mode. "sme" is valid for infra mode only */ 2096 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2097 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2098 priv->sec_info.is_authtype_auto = 1; 2099 } else { 2100 auth_type = sme->auth_type; 2101 } 2102 2103 if (sme->crypto.n_ciphers_pairwise) { 2104 priv->sec_info.encryption_mode = 2105 sme->crypto.ciphers_pairwise[0]; 2106 priv->sec_info.authentication_mode = auth_type; 2107 } 2108 2109 if (sme->crypto.cipher_group) { 2110 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2111 priv->sec_info.authentication_mode = auth_type; 2112 } 2113 if (sme->ie) 2114 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2115 2116 if (sme->key) { 2117 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2118 mwifiex_dbg(priv->adapter, INFO, 2119 "info: setting wep encryption\t" 2120 "with key len %d\n", sme->key_len); 2121 priv->wep_key_curr_index = sme->key_idx; 2122 ret = mwifiex_set_encode(priv, NULL, sme->key, 2123 sme->key_len, sme->key_idx, 2124 NULL, 0); 2125 } 2126 } 2127 done: 2128 /* 2129 * Scan entries are valid for some time (15 sec). So we can save one 2130 * active scan time if we just try cfg80211_get_bss first. If it fails 2131 * then request scan and cfg80211_get_bss() again for final output. 2132 */ 2133 while (1) { 2134 if (is_scanning_required) { 2135 /* Do specific SSID scanning */ 2136 if (mwifiex_request_scan(priv, &req_ssid)) { 2137 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2138 return -EFAULT; 2139 } 2140 } 2141 2142 /* Find the BSS we want using available scan results */ 2143 if (mode == NL80211_IFTYPE_ADHOC) 2144 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2145 bssid, ssid, ssid_len, 2146 IEEE80211_BSS_TYPE_IBSS, 2147 IEEE80211_PRIVACY_ANY); 2148 else 2149 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2150 bssid, ssid, ssid_len, 2151 IEEE80211_BSS_TYPE_ESS, 2152 IEEE80211_PRIVACY_ANY); 2153 2154 if (!bss) { 2155 if (is_scanning_required) { 2156 mwifiex_dbg(priv->adapter, WARN, 2157 "assoc: requested bss not found in scan results\n"); 2158 break; 2159 } 2160 is_scanning_required = 1; 2161 } else { 2162 mwifiex_dbg(priv->adapter, MSG, 2163 "info: trying to associate to '%s' bssid %pM\n", 2164 (char *)req_ssid.ssid, bss->bssid); 2165 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2166 break; 2167 } 2168 } 2169 2170 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2171 if (ret) 2172 return ret; 2173 2174 if (mode == NL80211_IFTYPE_ADHOC) { 2175 /* Inform the BSS information to kernel, otherwise 2176 * kernel will give a panic after successful assoc */ 2177 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2178 return -EFAULT; 2179 } 2180 2181 return ret; 2182 } 2183 2184 /* 2185 * CFG802.11 operation handler for association request. 2186 * 2187 * This function does not work when the current mode is set to Ad-Hoc, or 2188 * when there is already an association procedure going on. The given BSS 2189 * information is used to associate. 2190 */ 2191 static int 2192 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2193 struct cfg80211_connect_params *sme) 2194 { 2195 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2196 struct mwifiex_adapter *adapter = priv->adapter; 2197 int ret; 2198 2199 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2200 mwifiex_dbg(adapter, ERROR, 2201 "%s: reject infra assoc request in non-STA role\n", 2202 dev->name); 2203 return -EINVAL; 2204 } 2205 2206 if (priv->wdev.current_bss) { 2207 mwifiex_dbg(adapter, ERROR, 2208 "%s: already connected\n", dev->name); 2209 return -EALREADY; 2210 } 2211 2212 if (adapter->surprise_removed || adapter->is_cmd_timedout) { 2213 mwifiex_dbg(adapter, ERROR, 2214 "%s: Ignore connection.\t" 2215 "Card removed or FW in bad state\n", 2216 dev->name); 2217 return -EFAULT; 2218 } 2219 2220 mwifiex_dbg(adapter, INFO, 2221 "info: Trying to associate to %s and bssid %pM\n", 2222 (char *)sme->ssid, sme->bssid); 2223 2224 if (!mwifiex_stop_bg_scan(priv)) 2225 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2226 2227 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2228 priv->bss_mode, sme->channel, sme, 0); 2229 if (!ret) { 2230 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2231 NULL, 0, WLAN_STATUS_SUCCESS, 2232 GFP_KERNEL); 2233 mwifiex_dbg(priv->adapter, MSG, 2234 "info: associated to bssid %pM successfully\n", 2235 priv->cfg_bssid); 2236 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2237 priv->adapter->auto_tdls && 2238 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2239 mwifiex_setup_auto_tdls_timer(priv); 2240 } else { 2241 mwifiex_dbg(priv->adapter, ERROR, 2242 "info: association to bssid %pM failed\n", 2243 priv->cfg_bssid); 2244 eth_zero_addr(priv->cfg_bssid); 2245 2246 if (ret > 0) 2247 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2248 NULL, 0, NULL, 0, ret, 2249 GFP_KERNEL); 2250 else 2251 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2252 NULL, 0, NULL, 0, 2253 WLAN_STATUS_UNSPECIFIED_FAILURE, 2254 GFP_KERNEL); 2255 } 2256 2257 return 0; 2258 } 2259 2260 /* 2261 * This function sets following parameters for ibss network. 2262 * - channel 2263 * - start band 2264 * - 11n flag 2265 * - secondary channel offset 2266 */ 2267 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2268 struct cfg80211_ibss_params *params) 2269 { 2270 struct mwifiex_adapter *adapter = priv->adapter; 2271 int index = 0, i; 2272 u8 config_bands = 0; 2273 2274 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) { 2275 if (!params->basic_rates) { 2276 config_bands = BAND_B | BAND_G; 2277 } else { 2278 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2279 /* 2280 * Rates below 6 Mbps in the table are CCK 2281 * rates; 802.11b and from 6 they are OFDM; 2282 * 802.11G 2283 */ 2284 if (mwifiex_rates[i].bitrate == 60) { 2285 index = 1 << i; 2286 break; 2287 } 2288 } 2289 2290 if (params->basic_rates < index) { 2291 config_bands = BAND_B; 2292 } else { 2293 config_bands = BAND_G; 2294 if (params->basic_rates % index) 2295 config_bands |= BAND_B; 2296 } 2297 } 2298 2299 if (cfg80211_get_chandef_type(¶ms->chandef) != 2300 NL80211_CHAN_NO_HT) 2301 config_bands |= BAND_G | BAND_GN; 2302 } else { 2303 if (cfg80211_get_chandef_type(¶ms->chandef) == 2304 NL80211_CHAN_NO_HT) 2305 config_bands = BAND_A; 2306 else 2307 config_bands = BAND_AN | BAND_A; 2308 } 2309 2310 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2311 adapter->config_bands = config_bands; 2312 adapter->adhoc_start_band = config_bands; 2313 2314 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2315 adapter->adhoc_11n_enabled = true; 2316 else 2317 adapter->adhoc_11n_enabled = false; 2318 } 2319 2320 adapter->sec_chan_offset = 2321 mwifiex_chan_type_to_sec_chan_offset( 2322 cfg80211_get_chandef_type(¶ms->chandef)); 2323 priv->adhoc_channel = ieee80211_frequency_to_channel( 2324 params->chandef.chan->center_freq); 2325 2326 mwifiex_dbg(adapter, INFO, 2327 "info: set ibss band %d, chan %d, chan offset %d\n", 2328 config_bands, priv->adhoc_channel, 2329 adapter->sec_chan_offset); 2330 2331 return 0; 2332 } 2333 2334 /* 2335 * CFG802.11 operation handler to join an IBSS. 2336 * 2337 * This function does not work in any mode other than Ad-Hoc, or if 2338 * a join operation is already in progress. 2339 */ 2340 static int 2341 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2342 struct cfg80211_ibss_params *params) 2343 { 2344 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2345 int ret = 0; 2346 2347 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2348 mwifiex_dbg(priv->adapter, ERROR, 2349 "request to join ibss received\t" 2350 "when station is not in ibss mode\n"); 2351 goto done; 2352 } 2353 2354 mwifiex_dbg(priv->adapter, MSG, 2355 "info: trying to join to %s and bssid %pM\n", 2356 (char *)params->ssid, params->bssid); 2357 2358 mwifiex_set_ibss_params(priv, params); 2359 2360 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2361 params->bssid, priv->bss_mode, 2362 params->chandef.chan, NULL, 2363 params->privacy); 2364 done: 2365 if (!ret) { 2366 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2367 params->chandef.chan, GFP_KERNEL); 2368 mwifiex_dbg(priv->adapter, MSG, 2369 "info: joined/created adhoc network with bssid\t" 2370 "%pM successfully\n", priv->cfg_bssid); 2371 } else { 2372 mwifiex_dbg(priv->adapter, ERROR, 2373 "info: failed creating/joining adhoc network\n"); 2374 } 2375 2376 return ret; 2377 } 2378 2379 /* 2380 * CFG802.11 operation handler to leave an IBSS. 2381 * 2382 * This function does not work if a leave operation is 2383 * already in progress. 2384 */ 2385 static int 2386 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2387 { 2388 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2389 2390 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2391 priv->cfg_bssid); 2392 if (mwifiex_deauthenticate(priv, NULL)) 2393 return -EFAULT; 2394 2395 eth_zero_addr(priv->cfg_bssid); 2396 2397 return 0; 2398 } 2399 2400 /* 2401 * CFG802.11 operation handler for scan request. 2402 * 2403 * This function issues a scan request to the firmware based upon 2404 * the user specified scan configuration. On successful completion, 2405 * it also informs the results. 2406 */ 2407 static int 2408 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2409 struct cfg80211_scan_request *request) 2410 { 2411 struct net_device *dev = request->wdev->netdev; 2412 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2413 int i, offset, ret; 2414 struct ieee80211_channel *chan; 2415 struct ieee_types_header *ie; 2416 struct mwifiex_user_scan_cfg *user_scan_cfg; 2417 2418 mwifiex_dbg(priv->adapter, CMD, 2419 "info: received scan request on %s\n", dev->name); 2420 2421 /* Block scan request if scan operation or scan cleanup when interface 2422 * is disabled is in process 2423 */ 2424 if (priv->scan_request || priv->scan_aborting) { 2425 mwifiex_dbg(priv->adapter, WARN, 2426 "cmd: Scan already in process..\n"); 2427 return -EBUSY; 2428 } 2429 2430 if (!mwifiex_stop_bg_scan(priv)) 2431 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2432 2433 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2434 if (!user_scan_cfg) 2435 return -ENOMEM; 2436 2437 priv->scan_request = request; 2438 2439 user_scan_cfg->num_ssids = request->n_ssids; 2440 user_scan_cfg->ssid_list = request->ssids; 2441 2442 if (request->ie && request->ie_len) { 2443 offset = 0; 2444 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2445 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2446 continue; 2447 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2448 ie = (struct ieee_types_header *)(request->ie + offset); 2449 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2450 offset += sizeof(*ie) + ie->len; 2451 2452 if (offset >= request->ie_len) 2453 break; 2454 } 2455 } 2456 2457 for (i = 0; i < min_t(u32, request->n_channels, 2458 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2459 chan = request->channels[i]; 2460 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2461 user_scan_cfg->chan_list[i].radio_type = chan->band; 2462 2463 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2464 user_scan_cfg->chan_list[i].scan_type = 2465 MWIFIEX_SCAN_TYPE_PASSIVE; 2466 else 2467 user_scan_cfg->chan_list[i].scan_type = 2468 MWIFIEX_SCAN_TYPE_ACTIVE; 2469 2470 user_scan_cfg->chan_list[i].scan_time = 0; 2471 } 2472 2473 if (priv->adapter->scan_chan_gap_enabled && 2474 mwifiex_is_any_intf_active(priv)) 2475 user_scan_cfg->scan_chan_gap = 2476 priv->adapter->scan_chan_gap_time; 2477 2478 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2479 kfree(user_scan_cfg); 2480 if (ret) { 2481 mwifiex_dbg(priv->adapter, ERROR, 2482 "scan failed: %d\n", ret); 2483 priv->scan_aborting = false; 2484 priv->scan_request = NULL; 2485 return ret; 2486 } 2487 2488 if (request->ie && request->ie_len) { 2489 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2490 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2491 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2492 memset(&priv->vs_ie[i].ie, 0, 2493 MWIFIEX_MAX_VSIE_LEN); 2494 } 2495 } 2496 } 2497 return 0; 2498 } 2499 2500 /* CFG802.11 operation handler for sched_scan_start. 2501 * 2502 * This function issues a bgscan config request to the firmware based upon 2503 * the user specified sched_scan configuration. On successful completion, 2504 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2505 * query command to get sched_scan results from firmware. 2506 */ 2507 static int 2508 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2509 struct net_device *dev, 2510 struct cfg80211_sched_scan_request *request) 2511 { 2512 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2513 int i, offset; 2514 struct ieee80211_channel *chan; 2515 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2516 struct ieee_types_header *ie; 2517 2518 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2519 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2520 __func__); 2521 return -EINVAL; 2522 } 2523 2524 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2525 request->n_ssids, request->n_match_sets); 2526 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2527 request->n_channels, request->scan_plans->interval, 2528 (int)request->ie_len); 2529 2530 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2531 if (!bgscan_cfg) 2532 return -ENOMEM; 2533 2534 if (priv->scan_request || priv->scan_aborting) 2535 bgscan_cfg->start_later = true; 2536 2537 bgscan_cfg->num_ssids = request->n_match_sets; 2538 bgscan_cfg->ssid_list = request->match_sets; 2539 2540 if (request->ie && request->ie_len) { 2541 offset = 0; 2542 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2543 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2544 continue; 2545 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2546 ie = (struct ieee_types_header *)(request->ie + offset); 2547 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2548 offset += sizeof(*ie) + ie->len; 2549 2550 if (offset >= request->ie_len) 2551 break; 2552 } 2553 } 2554 2555 for (i = 0; i < min_t(u32, request->n_channels, 2556 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2557 chan = request->channels[i]; 2558 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2559 bgscan_cfg->chan_list[i].radio_type = chan->band; 2560 2561 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2562 bgscan_cfg->chan_list[i].scan_type = 2563 MWIFIEX_SCAN_TYPE_PASSIVE; 2564 else 2565 bgscan_cfg->chan_list[i].scan_type = 2566 MWIFIEX_SCAN_TYPE_ACTIVE; 2567 2568 bgscan_cfg->chan_list[i].scan_time = 0; 2569 } 2570 2571 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2572 MWIFIEX_BG_SCAN_CHAN_MAX); 2573 2574 /* Use at least 15 second for per scan cycle */ 2575 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2576 MWIFIEX_BGSCAN_INTERVAL) ? 2577 request->scan_plans->interval : 2578 MWIFIEX_BGSCAN_INTERVAL; 2579 2580 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2581 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2582 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2583 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2584 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2585 bgscan_cfg->enable = true; 2586 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2587 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2588 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2589 } 2590 2591 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2592 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2593 kfree(bgscan_cfg); 2594 return -EFAULT; 2595 } 2596 2597 priv->sched_scanning = true; 2598 2599 kfree(bgscan_cfg); 2600 return 0; 2601 } 2602 2603 /* CFG802.11 operation handler for sched_scan_stop. 2604 * 2605 * This function issues a bgscan config command to disable 2606 * previous bgscan configuration in the firmware 2607 */ 2608 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2609 struct net_device *dev) 2610 { 2611 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2612 2613 wiphy_info(wiphy, "sched scan stop!"); 2614 mwifiex_stop_bg_scan(priv); 2615 2616 return 0; 2617 } 2618 2619 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2620 struct mwifiex_private *priv) 2621 { 2622 struct mwifiex_adapter *adapter = priv->adapter; 2623 2624 vht_info->vht_supported = true; 2625 2626 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2627 /* Update MCS support for VHT */ 2628 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2629 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2630 vht_info->vht_mcs.rx_highest = 0; 2631 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2632 adapter->hw_dot_11ac_mcs_support >> 16); 2633 vht_info->vht_mcs.tx_highest = 0; 2634 } 2635 2636 /* 2637 * This function sets up the CFG802.11 specific HT capability fields 2638 * with default values. 2639 * 2640 * The following default values are set - 2641 * - HT Supported = True 2642 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2643 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2644 * - HT Capabilities supported by firmware 2645 * - MCS information, Rx mask = 0xff 2646 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2647 */ 2648 static void 2649 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2650 struct mwifiex_private *priv) 2651 { 2652 int rx_mcs_supp; 2653 struct ieee80211_mcs_info mcs_set; 2654 u8 *mcs = (u8 *)&mcs_set; 2655 struct mwifiex_adapter *adapter = priv->adapter; 2656 2657 ht_info->ht_supported = true; 2658 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2659 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2660 2661 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2662 2663 /* Fill HT capability information */ 2664 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2665 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2666 else 2667 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2668 2669 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2670 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2671 else 2672 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2673 2674 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2675 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2676 else 2677 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2678 2679 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2680 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2681 else 2682 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2683 2684 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2685 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2686 else 2687 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2688 2689 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2690 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2691 else 2692 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2693 2694 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2695 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2696 else 2697 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2698 2699 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2700 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2701 else 2702 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2703 2704 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2705 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2706 2707 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2708 /* Set MCS for 1x1/2x2 */ 2709 memset(mcs, 0xff, rx_mcs_supp); 2710 /* Clear all the other values */ 2711 memset(&mcs[rx_mcs_supp], 0, 2712 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2713 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2714 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2715 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2716 SETHT_MCS32(mcs_set.rx_mask); 2717 2718 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2719 2720 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2721 } 2722 2723 /* 2724 * create a new virtual interface with the given name and name assign type 2725 */ 2726 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2727 const char *name, 2728 unsigned char name_assign_type, 2729 enum nl80211_iftype type, 2730 u32 *flags, 2731 struct vif_params *params) 2732 { 2733 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2734 struct mwifiex_private *priv; 2735 struct net_device *dev; 2736 void *mdev_priv; 2737 2738 if (!adapter) 2739 return ERR_PTR(-EFAULT); 2740 2741 switch (type) { 2742 case NL80211_IFTYPE_UNSPECIFIED: 2743 case NL80211_IFTYPE_STATION: 2744 case NL80211_IFTYPE_ADHOC: 2745 if (adapter->curr_iface_comb.sta_intf == 2746 adapter->iface_limit.sta_intf) { 2747 mwifiex_dbg(adapter, ERROR, 2748 "cannot create multiple sta/adhoc ifaces\n"); 2749 return ERR_PTR(-EINVAL); 2750 } 2751 2752 priv = mwifiex_get_unused_priv_by_bss_type( 2753 adapter, MWIFIEX_BSS_TYPE_STA); 2754 if (!priv) { 2755 mwifiex_dbg(adapter, ERROR, 2756 "could not get free private struct\n"); 2757 return ERR_PTR(-EFAULT); 2758 } 2759 2760 priv->wdev.wiphy = wiphy; 2761 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2762 2763 if (type == NL80211_IFTYPE_UNSPECIFIED) 2764 priv->bss_mode = NL80211_IFTYPE_STATION; 2765 else 2766 priv->bss_mode = type; 2767 2768 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2769 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2770 priv->bss_priority = 0; 2771 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2772 2773 break; 2774 case NL80211_IFTYPE_AP: 2775 if (adapter->curr_iface_comb.uap_intf == 2776 adapter->iface_limit.uap_intf) { 2777 mwifiex_dbg(adapter, ERROR, 2778 "cannot create multiple AP ifaces\n"); 2779 return ERR_PTR(-EINVAL); 2780 } 2781 2782 priv = mwifiex_get_unused_priv_by_bss_type( 2783 adapter, MWIFIEX_BSS_TYPE_UAP); 2784 if (!priv) { 2785 mwifiex_dbg(adapter, ERROR, 2786 "could not get free private struct\n"); 2787 return ERR_PTR(-EFAULT); 2788 } 2789 2790 priv->wdev.wiphy = wiphy; 2791 priv->wdev.iftype = NL80211_IFTYPE_AP; 2792 2793 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2794 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2795 priv->bss_priority = 0; 2796 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2797 priv->bss_started = 0; 2798 priv->bss_mode = type; 2799 2800 break; 2801 case NL80211_IFTYPE_P2P_CLIENT: 2802 if (adapter->curr_iface_comb.p2p_intf == 2803 adapter->iface_limit.p2p_intf) { 2804 mwifiex_dbg(adapter, ERROR, 2805 "cannot create multiple P2P ifaces\n"); 2806 return ERR_PTR(-EINVAL); 2807 } 2808 2809 priv = mwifiex_get_unused_priv_by_bss_type( 2810 adapter, MWIFIEX_BSS_TYPE_P2P); 2811 if (!priv) { 2812 mwifiex_dbg(adapter, ERROR, 2813 "could not get free private struct\n"); 2814 return ERR_PTR(-EFAULT); 2815 } 2816 2817 priv->wdev.wiphy = wiphy; 2818 /* At start-up, wpa_supplicant tries to change the interface 2819 * to NL80211_IFTYPE_STATION if it is not managed mode. 2820 */ 2821 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2822 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2823 2824 /* Setting bss_type to P2P tells firmware that this interface 2825 * is receiving P2P peers found during find phase and doing 2826 * action frame handshake. 2827 */ 2828 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2829 2830 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2831 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2832 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2833 priv->bss_started = 0; 2834 2835 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2836 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2837 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2838 return ERR_PTR(-EFAULT); 2839 } 2840 2841 break; 2842 default: 2843 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2844 return ERR_PTR(-EINVAL); 2845 } 2846 2847 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 2848 name_assign_type, ether_setup, 2849 IEEE80211_NUM_ACS, 1); 2850 if (!dev) { 2851 mwifiex_dbg(adapter, ERROR, 2852 "no memory available for netdevice\n"); 2853 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2854 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2855 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2856 return ERR_PTR(-ENOMEM); 2857 } 2858 2859 mwifiex_init_priv_params(priv, dev); 2860 priv->netdev = dev; 2861 2862 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); 2863 if (adapter->is_hw_11ac_capable) 2864 mwifiex_setup_vht_caps( 2865 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv); 2866 2867 if (adapter->config_bands & BAND_A) 2868 mwifiex_setup_ht_caps( 2869 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); 2870 2871 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 2872 mwifiex_setup_vht_caps( 2873 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv); 2874 2875 dev_net_set(dev, wiphy_net(wiphy)); 2876 dev->ieee80211_ptr = &priv->wdev; 2877 dev->ieee80211_ptr->iftype = priv->bss_mode; 2878 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); 2879 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 2880 2881 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 2882 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 2883 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 2884 dev->ethtool_ops = &mwifiex_ethtool_ops; 2885 2886 mdev_priv = netdev_priv(dev); 2887 *((unsigned long *) mdev_priv) = (unsigned long) priv; 2888 2889 SET_NETDEV_DEV(dev, adapter->dev); 2890 2891 /* Register network device */ 2892 if (register_netdevice(dev)) { 2893 mwifiex_dbg(adapter, ERROR, 2894 "cannot register virtual network device\n"); 2895 free_netdev(dev); 2896 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2897 priv->netdev = NULL; 2898 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2899 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2900 return ERR_PTR(-EFAULT); 2901 } 2902 2903 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 2904 WQ_HIGHPRI | 2905 WQ_MEM_RECLAIM | 2906 WQ_UNBOUND, 1, name); 2907 if (!priv->dfs_cac_workqueue) { 2908 mwifiex_dbg(adapter, ERROR, 2909 "cannot register virtual network device\n"); 2910 free_netdev(dev); 2911 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2912 priv->netdev = NULL; 2913 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2914 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2915 return ERR_PTR(-ENOMEM); 2916 } 2917 2918 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 2919 2920 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 2921 WQ_HIGHPRI | WQ_UNBOUND | 2922 WQ_MEM_RECLAIM, 1, name); 2923 if (!priv->dfs_chan_sw_workqueue) { 2924 mwifiex_dbg(adapter, ERROR, 2925 "cannot register virtual network device\n"); 2926 free_netdev(dev); 2927 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2928 priv->netdev = NULL; 2929 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2930 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2931 return ERR_PTR(-ENOMEM); 2932 } 2933 2934 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 2935 mwifiex_dfs_chan_sw_work_queue); 2936 2937 sema_init(&priv->async_sem, 1); 2938 2939 mwifiex_dbg(adapter, INFO, 2940 "info: %s: Marvell 802.11 Adapter\n", dev->name); 2941 2942 #ifdef CONFIG_DEBUG_FS 2943 mwifiex_dev_debugfs_init(priv); 2944 #endif 2945 2946 switch (type) { 2947 case NL80211_IFTYPE_UNSPECIFIED: 2948 case NL80211_IFTYPE_STATION: 2949 case NL80211_IFTYPE_ADHOC: 2950 adapter->curr_iface_comb.sta_intf++; 2951 break; 2952 case NL80211_IFTYPE_AP: 2953 adapter->curr_iface_comb.uap_intf++; 2954 break; 2955 case NL80211_IFTYPE_P2P_CLIENT: 2956 adapter->curr_iface_comb.p2p_intf++; 2957 break; 2958 default: 2959 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2960 return ERR_PTR(-EINVAL); 2961 } 2962 2963 return &priv->wdev; 2964 } 2965 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 2966 2967 /* 2968 * del_virtual_intf: remove the virtual interface determined by dev 2969 */ 2970 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 2971 { 2972 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 2973 struct mwifiex_adapter *adapter = priv->adapter; 2974 struct sk_buff *skb, *tmp; 2975 2976 #ifdef CONFIG_DEBUG_FS 2977 mwifiex_dev_debugfs_remove(priv); 2978 #endif 2979 2980 if (priv->sched_scanning) 2981 priv->sched_scanning = false; 2982 2983 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 2984 2985 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) 2986 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 2987 2988 if (netif_carrier_ok(priv->netdev)) 2989 netif_carrier_off(priv->netdev); 2990 2991 if (wdev->netdev->reg_state == NETREG_REGISTERED) 2992 unregister_netdevice(wdev->netdev); 2993 2994 if (priv->dfs_cac_workqueue) { 2995 flush_workqueue(priv->dfs_cac_workqueue); 2996 destroy_workqueue(priv->dfs_cac_workqueue); 2997 priv->dfs_cac_workqueue = NULL; 2998 } 2999 3000 if (priv->dfs_chan_sw_workqueue) { 3001 flush_workqueue(priv->dfs_chan_sw_workqueue); 3002 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3003 priv->dfs_chan_sw_workqueue = NULL; 3004 } 3005 /* Clear the priv in adapter */ 3006 priv->netdev->ieee80211_ptr = NULL; 3007 priv->netdev = NULL; 3008 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3009 3010 priv->media_connected = false; 3011 3012 switch (priv->bss_mode) { 3013 case NL80211_IFTYPE_UNSPECIFIED: 3014 case NL80211_IFTYPE_STATION: 3015 case NL80211_IFTYPE_ADHOC: 3016 adapter->curr_iface_comb.sta_intf--; 3017 break; 3018 case NL80211_IFTYPE_AP: 3019 adapter->curr_iface_comb.uap_intf--; 3020 break; 3021 case NL80211_IFTYPE_P2P_CLIENT: 3022 case NL80211_IFTYPE_P2P_GO: 3023 adapter->curr_iface_comb.p2p_intf--; 3024 break; 3025 default: 3026 mwifiex_dbg(adapter, ERROR, 3027 "del_virtual_intf: type not supported\n"); 3028 break; 3029 } 3030 3031 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3032 3033 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3034 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3035 kfree(priv->hist_data); 3036 3037 return 0; 3038 } 3039 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3040 3041 static bool 3042 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3043 u8 max_byte_seq) 3044 { 3045 int j, k, valid_byte_cnt = 0; 3046 bool dont_care_byte = false; 3047 3048 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3049 for (k = 0; k < 8; k++) { 3050 if (pat->mask[j] & 1 << k) { 3051 memcpy(byte_seq + valid_byte_cnt, 3052 &pat->pattern[j * 8 + k], 1); 3053 valid_byte_cnt++; 3054 if (dont_care_byte) 3055 return false; 3056 } else { 3057 if (valid_byte_cnt) 3058 dont_care_byte = true; 3059 } 3060 3061 /* wildcard bytes record as the offset 3062 * before the valid byte 3063 */ 3064 if (!valid_byte_cnt && !dont_care_byte) 3065 pat->pkt_offset++; 3066 3067 if (valid_byte_cnt > max_byte_seq) 3068 return false; 3069 } 3070 } 3071 3072 byte_seq[max_byte_seq] = valid_byte_cnt; 3073 3074 return true; 3075 } 3076 3077 #ifdef CONFIG_PM 3078 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3079 struct mwifiex_mef_entry *mef_entry) 3080 { 3081 int i, filt_num = 0, num_ipv4 = 0; 3082 struct in_device *in_dev; 3083 struct in_ifaddr *ifa; 3084 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3085 struct mwifiex_adapter *adapter = priv->adapter; 3086 3087 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3088 mef_entry->action = MEF_ACTION_AUTO_ARP; 3089 3090 /* Enable ARP offload feature */ 3091 memset(ips, 0, sizeof(ips)); 3092 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3093 if (adapter->priv[i]->netdev) { 3094 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3095 if (!in_dev) 3096 continue; 3097 ifa = in_dev->ifa_list; 3098 if (!ifa || !ifa->ifa_local) 3099 continue; 3100 ips[i] = ifa->ifa_local; 3101 num_ipv4++; 3102 } 3103 } 3104 3105 for (i = 0; i < num_ipv4; i++) { 3106 if (!ips[i]) 3107 continue; 3108 mef_entry->filter[filt_num].repeat = 1; 3109 memcpy(mef_entry->filter[filt_num].byte_seq, 3110 (u8 *)&ips[i], sizeof(ips[i])); 3111 mef_entry->filter[filt_num]. 3112 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3113 sizeof(ips[i]); 3114 mef_entry->filter[filt_num].offset = 46; 3115 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3116 if (filt_num) { 3117 mef_entry->filter[filt_num].filt_action = 3118 TYPE_OR; 3119 } 3120 filt_num++; 3121 } 3122 3123 mef_entry->filter[filt_num].repeat = 1; 3124 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3125 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3126 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3127 mef_entry->filter[filt_num].offset = 20; 3128 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3129 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3130 } 3131 3132 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3133 struct mwifiex_ds_mef_cfg *mef_cfg, 3134 struct mwifiex_mef_entry *mef_entry, 3135 struct cfg80211_wowlan *wowlan) 3136 { 3137 int i, filt_num = 0, ret = 0; 3138 bool first_pat = true; 3139 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3140 const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3141 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3142 3143 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3144 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3145 3146 for (i = 0; i < wowlan->n_patterns; i++) { 3147 memset(byte_seq, 0, sizeof(byte_seq)); 3148 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3149 byte_seq, 3150 MWIFIEX_MEF_MAX_BYTESEQ)) { 3151 mwifiex_dbg(priv->adapter, ERROR, 3152 "Pattern not supported\n"); 3153 return -EOPNOTSUPP; 3154 } 3155 3156 if (!wowlan->patterns[i].pkt_offset) { 3157 if (!(byte_seq[0] & 0x01) && 3158 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3159 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3160 continue; 3161 } else if (is_broadcast_ether_addr(byte_seq)) { 3162 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3163 continue; 3164 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3165 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3166 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3167 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3168 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3169 continue; 3170 } 3171 } 3172 mef_entry->filter[filt_num].repeat = 1; 3173 mef_entry->filter[filt_num].offset = 3174 wowlan->patterns[i].pkt_offset; 3175 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3176 sizeof(byte_seq)); 3177 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3178 3179 if (first_pat) { 3180 first_pat = false; 3181 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3182 } else { 3183 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3184 } 3185 3186 filt_num++; 3187 } 3188 3189 if (wowlan->magic_pkt) { 3190 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3191 mef_entry->filter[filt_num].repeat = 16; 3192 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3193 ETH_ALEN); 3194 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3195 ETH_ALEN; 3196 mef_entry->filter[filt_num].offset = 28; 3197 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3198 if (filt_num) 3199 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3200 3201 filt_num++; 3202 mef_entry->filter[filt_num].repeat = 16; 3203 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3204 ETH_ALEN); 3205 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3206 ETH_ALEN; 3207 mef_entry->filter[filt_num].offset = 56; 3208 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3209 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3210 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3211 } 3212 return ret; 3213 } 3214 3215 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3216 struct cfg80211_wowlan *wowlan) 3217 { 3218 int ret = 0, num_entries = 1; 3219 struct mwifiex_ds_mef_cfg mef_cfg; 3220 struct mwifiex_mef_entry *mef_entry; 3221 3222 if (wowlan->n_patterns || wowlan->magic_pkt) 3223 num_entries++; 3224 3225 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3226 if (!mef_entry) 3227 return -ENOMEM; 3228 3229 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3230 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3231 MWIFIEX_CRITERIA_UNICAST; 3232 mef_cfg.num_entries = num_entries; 3233 mef_cfg.mef_entry = mef_entry; 3234 3235 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3236 3237 if (wowlan->n_patterns || wowlan->magic_pkt) { 3238 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3239 &mef_entry[1], wowlan); 3240 if (ret) 3241 goto err; 3242 } 3243 3244 if (!mef_cfg.criteria) 3245 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3246 MWIFIEX_CRITERIA_UNICAST | 3247 MWIFIEX_CRITERIA_MULTICAST; 3248 3249 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3250 HostCmd_ACT_GEN_SET, 0, 3251 &mef_cfg, true); 3252 3253 err: 3254 kfree(mef_entry); 3255 return ret; 3256 } 3257 3258 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3259 struct cfg80211_wowlan *wowlan) 3260 { 3261 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3262 struct mwifiex_ds_hs_cfg hs_cfg; 3263 int i, ret = 0, retry_num = 10; 3264 struct mwifiex_private *priv; 3265 3266 for (i = 0; i < adapter->priv_num; i++) { 3267 priv = adapter->priv[i]; 3268 mwifiex_abort_cac(priv); 3269 } 3270 3271 mwifiex_cancel_all_pending_cmd(adapter); 3272 3273 for (i = 0; i < adapter->priv_num; i++) { 3274 priv = adapter->priv[i]; 3275 if (priv && priv->netdev) 3276 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3277 } 3278 3279 for (i = 0; i < retry_num; i++) { 3280 if (!mwifiex_wmm_lists_empty(adapter) || 3281 !mwifiex_bypass_txlist_empty(adapter) || 3282 !skb_queue_empty(&adapter->tx_data_q)) 3283 usleep_range(10000, 15000); 3284 else 3285 break; 3286 } 3287 3288 if (!wowlan) { 3289 mwifiex_dbg(adapter, ERROR, 3290 "None of the WOWLAN triggers enabled\n"); 3291 return 0; 3292 } 3293 3294 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3295 3296 if (!priv->media_connected && !wowlan->nd_config) { 3297 mwifiex_dbg(adapter, ERROR, 3298 "Can not configure WOWLAN in disconnected state\n"); 3299 return 0; 3300 } 3301 3302 ret = mwifiex_set_mef_filter(priv, wowlan); 3303 if (ret) { 3304 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3305 return ret; 3306 } 3307 3308 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3309 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3310 3311 if (wowlan->nd_config) { 3312 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3313 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3314 mwifiex_cfg80211_sched_scan_start(wiphy, priv->netdev, 3315 wowlan->nd_config); 3316 } 3317 3318 if (wowlan->disconnect) { 3319 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3320 mwifiex_dbg(priv->adapter, INFO, "Wake on device disconnect\n"); 3321 } 3322 3323 hs_cfg.is_invoke_hostcmd = false; 3324 hs_cfg.gpio = adapter->hs_cfg.gpio; 3325 hs_cfg.gap = adapter->hs_cfg.gap; 3326 ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, 3327 MWIFIEX_SYNC_CMD, &hs_cfg); 3328 if (ret) { 3329 mwifiex_dbg(adapter, ERROR, 3330 "Failed to set HS params\n"); 3331 return ret; 3332 } 3333 3334 return ret; 3335 } 3336 3337 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3338 { 3339 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3340 struct mwifiex_private *priv; 3341 struct mwifiex_ds_wakeup_reason wakeup_reason; 3342 struct cfg80211_wowlan_wakeup wakeup_report; 3343 int i; 3344 3345 for (i = 0; i < adapter->priv_num; i++) { 3346 priv = adapter->priv[i]; 3347 if (priv && priv->netdev) 3348 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); 3349 } 3350 3351 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3352 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3353 &wakeup_reason); 3354 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3355 3356 wakeup_report.pattern_idx = -1; 3357 3358 switch (wakeup_reason.hs_wakeup_reason) { 3359 case NO_HSWAKEUP_REASON: 3360 break; 3361 case BCAST_DATA_MATCHED: 3362 break; 3363 case MCAST_DATA_MATCHED: 3364 break; 3365 case UCAST_DATA_MATCHED: 3366 break; 3367 case MASKTABLE_EVENT_MATCHED: 3368 break; 3369 case NON_MASKABLE_EVENT_MATCHED: 3370 if (wiphy->wowlan_config->disconnect) 3371 wakeup_report.disconnect = true; 3372 if (wiphy->wowlan_config->nd_config) 3373 wakeup_report.net_detect = adapter->nd_info; 3374 break; 3375 case NON_MASKABLE_CONDITION_MATCHED: 3376 break; 3377 case MAGIC_PATTERN_MATCHED: 3378 if (wiphy->wowlan_config->magic_pkt) 3379 wakeup_report.magic_pkt = true; 3380 if (wiphy->wowlan_config->n_patterns) 3381 wakeup_report.pattern_idx = 1; 3382 break; 3383 case CONTROL_FRAME_MATCHED: 3384 break; 3385 case MANAGEMENT_FRAME_MATCHED: 3386 break; 3387 default: 3388 break; 3389 } 3390 3391 if ((wakeup_reason.hs_wakeup_reason > 0) && 3392 (wakeup_reason.hs_wakeup_reason <= 7)) 3393 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3394 GFP_KERNEL); 3395 3396 if (adapter->nd_info) { 3397 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3398 kfree(adapter->nd_info->matches[i]); 3399 kfree(adapter->nd_info); 3400 adapter->nd_info = NULL; 3401 } 3402 3403 return 0; 3404 } 3405 3406 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3407 bool enabled) 3408 { 3409 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3410 3411 device_set_wakeup_enable(adapter->dev, enabled); 3412 } 3413 #endif 3414 3415 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3416 { 3417 const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3418 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3419 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3420 3421 if ((byte_seq[0] & 0x01) && 3422 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3423 return PACKET_TYPE_UNICAST; 3424 else if (!memcmp(byte_seq, bc_mac, 4)) 3425 return PACKET_TYPE_BROADCAST; 3426 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3427 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3428 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3429 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3430 return PACKET_TYPE_MULTICAST; 3431 3432 return 0; 3433 } 3434 3435 static int 3436 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3437 struct cfg80211_coalesce_rules *crule, 3438 struct mwifiex_coalesce_rule *mrule) 3439 { 3440 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3441 struct filt_field_param *param; 3442 int i; 3443 3444 mrule->max_coalescing_delay = crule->delay; 3445 3446 param = mrule->params; 3447 3448 for (i = 0; i < crule->n_patterns; i++) { 3449 memset(byte_seq, 0, sizeof(byte_seq)); 3450 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3451 byte_seq, 3452 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3453 mwifiex_dbg(priv->adapter, ERROR, 3454 "Pattern not supported\n"); 3455 return -EOPNOTSUPP; 3456 } 3457 3458 if (!crule->patterns[i].pkt_offset) { 3459 u8 pkt_type; 3460 3461 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3462 if (pkt_type && mrule->pkt_type) { 3463 mwifiex_dbg(priv->adapter, ERROR, 3464 "Multiple packet types not allowed\n"); 3465 return -EOPNOTSUPP; 3466 } else if (pkt_type) { 3467 mrule->pkt_type = pkt_type; 3468 continue; 3469 } 3470 } 3471 3472 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3473 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3474 else 3475 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3476 3477 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3478 memcpy(param->operand_byte_stream, byte_seq, 3479 param->operand_len); 3480 param->offset = crule->patterns[i].pkt_offset; 3481 param++; 3482 3483 mrule->num_of_fields++; 3484 } 3485 3486 if (!mrule->pkt_type) { 3487 mwifiex_dbg(priv->adapter, ERROR, 3488 "Packet type can not be determined\n"); 3489 return -EOPNOTSUPP; 3490 } 3491 3492 return 0; 3493 } 3494 3495 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3496 struct cfg80211_coalesce *coalesce) 3497 { 3498 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3499 int i, ret; 3500 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3501 struct mwifiex_private *priv = 3502 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3503 3504 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3505 if (!coalesce) { 3506 mwifiex_dbg(adapter, WARN, 3507 "Disable coalesce and reset all previous rules\n"); 3508 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3509 HostCmd_ACT_GEN_SET, 0, 3510 &coalesce_cfg, true); 3511 } 3512 3513 coalesce_cfg.num_of_rules = coalesce->n_rules; 3514 for (i = 0; i < coalesce->n_rules; i++) { 3515 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3516 &coalesce_cfg.rule[i]); 3517 if (ret) { 3518 mwifiex_dbg(adapter, ERROR, 3519 "Recheck the patterns provided for rule %d\n", 3520 i + 1); 3521 return ret; 3522 } 3523 } 3524 3525 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3526 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3527 } 3528 3529 /* cfg80211 ops handler for tdls_mgmt. 3530 * Function prepares TDLS action frame packets and forwards them to FW 3531 */ 3532 static int 3533 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3534 const u8 *peer, u8 action_code, u8 dialog_token, 3535 u16 status_code, u32 peer_capability, 3536 bool initiator, const u8 *extra_ies, 3537 size_t extra_ies_len) 3538 { 3539 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3540 int ret; 3541 3542 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3543 return -ENOTSUPP; 3544 3545 /* make sure we are in station mode and connected */ 3546 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3547 return -ENOTSUPP; 3548 3549 switch (action_code) { 3550 case WLAN_TDLS_SETUP_REQUEST: 3551 mwifiex_dbg(priv->adapter, MSG, 3552 "Send TDLS Setup Request to %pM status_code=%d\n", 3553 peer, status_code); 3554 mwifiex_add_auto_tdls_peer(priv, peer); 3555 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3556 dialog_token, status_code, 3557 extra_ies, extra_ies_len); 3558 break; 3559 case WLAN_TDLS_SETUP_RESPONSE: 3560 mwifiex_add_auto_tdls_peer(priv, peer); 3561 mwifiex_dbg(priv->adapter, MSG, 3562 "Send TDLS Setup Response to %pM status_code=%d\n", 3563 peer, status_code); 3564 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3565 dialog_token, status_code, 3566 extra_ies, extra_ies_len); 3567 break; 3568 case WLAN_TDLS_SETUP_CONFIRM: 3569 mwifiex_dbg(priv->adapter, MSG, 3570 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3571 status_code); 3572 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3573 dialog_token, status_code, 3574 extra_ies, extra_ies_len); 3575 break; 3576 case WLAN_TDLS_TEARDOWN: 3577 mwifiex_dbg(priv->adapter, MSG, 3578 "Send TDLS Tear down to %pM\n", peer); 3579 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3580 dialog_token, status_code, 3581 extra_ies, extra_ies_len); 3582 break; 3583 case WLAN_TDLS_DISCOVERY_REQUEST: 3584 mwifiex_dbg(priv->adapter, MSG, 3585 "Send TDLS Discovery Request to %pM\n", peer); 3586 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3587 dialog_token, status_code, 3588 extra_ies, extra_ies_len); 3589 break; 3590 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3591 mwifiex_dbg(priv->adapter, MSG, 3592 "Send TDLS Discovery Response to %pM\n", peer); 3593 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3594 dialog_token, status_code, 3595 extra_ies, extra_ies_len); 3596 break; 3597 default: 3598 mwifiex_dbg(priv->adapter, ERROR, 3599 "Unknown TDLS mgmt/action frame %pM\n", peer); 3600 ret = -EINVAL; 3601 break; 3602 } 3603 3604 return ret; 3605 } 3606 3607 static int 3608 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3609 const u8 *peer, enum nl80211_tdls_operation action) 3610 { 3611 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3612 3613 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3614 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3615 return -ENOTSUPP; 3616 3617 /* make sure we are in station mode and connected */ 3618 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3619 return -ENOTSUPP; 3620 3621 mwifiex_dbg(priv->adapter, MSG, 3622 "TDLS peer=%pM, oper=%d\n", peer, action); 3623 3624 switch (action) { 3625 case NL80211_TDLS_ENABLE_LINK: 3626 action = MWIFIEX_TDLS_ENABLE_LINK; 3627 break; 3628 case NL80211_TDLS_DISABLE_LINK: 3629 action = MWIFIEX_TDLS_DISABLE_LINK; 3630 break; 3631 case NL80211_TDLS_TEARDOWN: 3632 /* shouldn't happen!*/ 3633 mwifiex_dbg(priv->adapter, ERROR, 3634 "tdls_oper: teardown from driver not supported\n"); 3635 return -EINVAL; 3636 case NL80211_TDLS_SETUP: 3637 /* shouldn't happen!*/ 3638 mwifiex_dbg(priv->adapter, ERROR, 3639 "tdls_oper: setup from driver not supported\n"); 3640 return -EINVAL; 3641 case NL80211_TDLS_DISCOVERY_REQ: 3642 /* shouldn't happen!*/ 3643 mwifiex_dbg(priv->adapter, ERROR, 3644 "tdls_oper: discovery from driver not supported\n"); 3645 return -EINVAL; 3646 default: 3647 mwifiex_dbg(priv->adapter, ERROR, 3648 "tdls_oper: operation not supported\n"); 3649 return -ENOTSUPP; 3650 } 3651 3652 return mwifiex_tdls_oper(priv, peer, action); 3653 } 3654 3655 static int 3656 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3657 const u8 *addr, u8 oper_class, 3658 struct cfg80211_chan_def *chandef) 3659 { 3660 struct mwifiex_sta_node *sta_ptr; 3661 unsigned long flags; 3662 u16 chan; 3663 u8 second_chan_offset, band; 3664 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3665 3666 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3667 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3668 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3669 3670 if (!sta_ptr) { 3671 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3672 __func__, addr); 3673 return -ENOENT; 3674 } 3675 3676 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3677 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3678 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3679 return -ENOENT; 3680 } 3681 3682 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3683 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3684 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3685 return -EALREADY; 3686 } 3687 3688 chan = chandef->chan->hw_value; 3689 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3690 band = chandef->chan->band; 3691 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3692 3693 return 0; 3694 } 3695 3696 static void 3697 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3698 struct net_device *dev, 3699 const u8 *addr) 3700 { 3701 struct mwifiex_sta_node *sta_ptr; 3702 unsigned long flags; 3703 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3704 3705 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3706 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3707 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3708 3709 if (!sta_ptr) { 3710 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3711 __func__, addr); 3712 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3713 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3714 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3715 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3716 addr); 3717 } else 3718 mwifiex_stop_tdls_cs(priv, addr); 3719 } 3720 3721 static int 3722 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3723 const u8 *mac, struct station_parameters *params) 3724 { 3725 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3726 3727 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3728 return -ENOTSUPP; 3729 3730 /* make sure we are in station mode and connected */ 3731 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3732 return -ENOTSUPP; 3733 3734 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3735 } 3736 3737 static int 3738 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3739 struct cfg80211_csa_settings *params) 3740 { 3741 struct ieee_types_header *chsw_ie; 3742 struct ieee80211_channel_sw_ie *channel_sw; 3743 int chsw_msec; 3744 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3745 3746 if (priv->adapter->scan_processing) { 3747 mwifiex_dbg(priv->adapter, ERROR, 3748 "radar detection: scan in process...\n"); 3749 return -EBUSY; 3750 } 3751 3752 if (priv->wdev.cac_started) 3753 return -EBUSY; 3754 3755 if (cfg80211_chandef_identical(¶ms->chandef, 3756 &priv->dfs_chandef)) 3757 return -EINVAL; 3758 3759 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3760 params->beacon_csa.tail, 3761 params->beacon_csa.tail_len); 3762 if (!chsw_ie) { 3763 mwifiex_dbg(priv->adapter, ERROR, 3764 "Could not parse channel switch announcement IE\n"); 3765 return -EINVAL; 3766 } 3767 3768 channel_sw = (void *)(chsw_ie + 1); 3769 if (channel_sw->mode) { 3770 if (netif_carrier_ok(priv->netdev)) 3771 netif_carrier_off(priv->netdev); 3772 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3773 } 3774 3775 if (mwifiex_del_mgmt_ies(priv)) 3776 mwifiex_dbg(priv->adapter, ERROR, 3777 "Failed to delete mgmt IEs!\n"); 3778 3779 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3780 mwifiex_dbg(priv->adapter, ERROR, 3781 "%s: setting mgmt ies failed\n", __func__); 3782 return -EFAULT; 3783 } 3784 3785 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3786 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3787 sizeof(priv->beacon_after)); 3788 3789 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3790 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3791 msecs_to_jiffies(chsw_msec)); 3792 return 0; 3793 } 3794 3795 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3796 struct wireless_dev *wdev, 3797 struct cfg80211_chan_def *chandef) 3798 { 3799 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3800 struct mwifiex_bssdescriptor *curr_bss; 3801 struct ieee80211_channel *chan; 3802 u8 second_chan_offset; 3803 enum nl80211_channel_type chan_type; 3804 enum ieee80211_band band; 3805 int freq; 3806 int ret = -ENODATA; 3807 3808 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 3809 cfg80211_chandef_valid(&priv->bss_chandef)) { 3810 *chandef = priv->bss_chandef; 3811 ret = 0; 3812 } else if (priv->media_connected) { 3813 curr_bss = &priv->curr_bss_params.bss_descriptor; 3814 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 3815 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 3816 chan = ieee80211_get_channel(wiphy, freq); 3817 3818 if (priv->ht_param_present) { 3819 second_chan_offset = priv->assoc_resp_ht_param & 3820 IEEE80211_HT_PARAM_CHA_SEC_OFFSET; 3821 chan_type = mwifiex_sec_chan_offset_to_chan_type 3822 (second_chan_offset); 3823 cfg80211_chandef_create(chandef, chan, chan_type); 3824 } else { 3825 cfg80211_chandef_create(chandef, chan, 3826 NL80211_CHAN_NO_HT); 3827 } 3828 ret = 0; 3829 } 3830 3831 return ret; 3832 } 3833 3834 static int 3835 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 3836 struct net_device *dev, 3837 struct cfg80211_chan_def *chandef, 3838 u32 cac_time_ms) 3839 { 3840 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3841 struct mwifiex_radar_params radar_params; 3842 3843 if (priv->adapter->scan_processing) { 3844 mwifiex_dbg(priv->adapter, ERROR, 3845 "radar detection: scan already in process...\n"); 3846 return -EBUSY; 3847 } 3848 3849 if (!mwifiex_is_11h_active(priv)) { 3850 mwifiex_dbg(priv->adapter, INFO, 3851 "Enable 11h extensions in FW\n"); 3852 if (mwifiex_11h_activate(priv, true)) { 3853 mwifiex_dbg(priv->adapter, ERROR, 3854 "Failed to activate 11h extensions!!"); 3855 return -1; 3856 } 3857 priv->state_11h.is_11h_active = true; 3858 } 3859 3860 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 3861 radar_params.chandef = chandef; 3862 radar_params.cac_time_ms = cac_time_ms; 3863 3864 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 3865 3866 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 3867 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 3868 return -1; 3869 3870 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 3871 msecs_to_jiffies(cac_time_ms)); 3872 return 0; 3873 } 3874 3875 static int 3876 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 3877 const u8 *mac, 3878 struct station_parameters *params) 3879 { 3880 int ret; 3881 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3882 3883 /* we support change_station handler only for TDLS peers*/ 3884 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3885 return -ENOTSUPP; 3886 3887 /* make sure we are in station mode and connected */ 3888 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3889 return -ENOTSUPP; 3890 3891 priv->sta_params = params; 3892 3893 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 3894 priv->sta_params = NULL; 3895 3896 return ret; 3897 } 3898 3899 /* station cfg80211 operations */ 3900 static struct cfg80211_ops mwifiex_cfg80211_ops = { 3901 .add_virtual_intf = mwifiex_add_virtual_intf, 3902 .del_virtual_intf = mwifiex_del_virtual_intf, 3903 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 3904 .scan = mwifiex_cfg80211_scan, 3905 .connect = mwifiex_cfg80211_connect, 3906 .disconnect = mwifiex_cfg80211_disconnect, 3907 .get_station = mwifiex_cfg80211_get_station, 3908 .dump_station = mwifiex_cfg80211_dump_station, 3909 .dump_survey = mwifiex_cfg80211_dump_survey, 3910 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 3911 .join_ibss = mwifiex_cfg80211_join_ibss, 3912 .leave_ibss = mwifiex_cfg80211_leave_ibss, 3913 .add_key = mwifiex_cfg80211_add_key, 3914 .del_key = mwifiex_cfg80211_del_key, 3915 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 3916 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 3917 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 3918 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 3919 .set_default_key = mwifiex_cfg80211_set_default_key, 3920 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 3921 .set_tx_power = mwifiex_cfg80211_set_tx_power, 3922 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 3923 .start_ap = mwifiex_cfg80211_start_ap, 3924 .stop_ap = mwifiex_cfg80211_stop_ap, 3925 .change_beacon = mwifiex_cfg80211_change_beacon, 3926 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 3927 .set_antenna = mwifiex_cfg80211_set_antenna, 3928 .del_station = mwifiex_cfg80211_del_station, 3929 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 3930 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 3931 #ifdef CONFIG_PM 3932 .suspend = mwifiex_cfg80211_suspend, 3933 .resume = mwifiex_cfg80211_resume, 3934 .set_wakeup = mwifiex_cfg80211_set_wakeup, 3935 #endif 3936 .set_coalesce = mwifiex_cfg80211_set_coalesce, 3937 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 3938 .tdls_oper = mwifiex_cfg80211_tdls_oper, 3939 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 3940 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 3941 .add_station = mwifiex_cfg80211_add_station, 3942 .change_station = mwifiex_cfg80211_change_station, 3943 .get_channel = mwifiex_cfg80211_get_channel, 3944 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 3945 .channel_switch = mwifiex_cfg80211_channel_switch, 3946 }; 3947 3948 #ifdef CONFIG_PM 3949 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 3950 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 3951 WIPHY_WOWLAN_NET_DETECT, 3952 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 3953 .pattern_min_len = 1, 3954 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 3955 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 3956 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 3957 }; 3958 #endif 3959 3960 static bool mwifiex_is_valid_alpha2(const char *alpha2) 3961 { 3962 if (!alpha2 || strlen(alpha2) != 2) 3963 return false; 3964 3965 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 3966 return true; 3967 3968 return false; 3969 } 3970 3971 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 3972 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 3973 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 3974 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 3975 .pattern_min_len = 1, 3976 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 3977 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 3978 }; 3979 3980 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 3981 { 3982 u32 n_channels_bg, n_channels_a = 0; 3983 3984 n_channels_bg = mwifiex_band_2ghz.n_channels; 3985 3986 if (adapter->config_bands & BAND_A) 3987 n_channels_a = mwifiex_band_5ghz.n_channels; 3988 3989 adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a); 3990 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * 3991 adapter->num_in_chan_stats); 3992 3993 if (!adapter->chan_stats) 3994 return -ENOMEM; 3995 3996 return 0; 3997 } 3998 3999 /* 4000 * This function registers the device with CFG802.11 subsystem. 4001 * 4002 * The function creates the wireless device/wiphy, populates it with 4003 * default parameters and handler function pointers, and finally 4004 * registers the device. 4005 */ 4006 4007 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4008 { 4009 int ret; 4010 void *wdev_priv; 4011 struct wiphy *wiphy; 4012 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4013 u8 *country_code; 4014 u32 thr, retry; 4015 4016 /* create a new wiphy for use with cfg80211 */ 4017 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4018 sizeof(struct mwifiex_adapter *)); 4019 if (!wiphy) { 4020 mwifiex_dbg(adapter, ERROR, 4021 "%s: creating new wiphy\n", __func__); 4022 return -ENOMEM; 4023 } 4024 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4025 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4026 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4027 wiphy->max_remain_on_channel_duration = 5000; 4028 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4029 BIT(NL80211_IFTYPE_ADHOC) | 4030 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4031 BIT(NL80211_IFTYPE_P2P_GO) | 4032 BIT(NL80211_IFTYPE_AP); 4033 4034 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4035 if (adapter->config_bands & BAND_A) 4036 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4037 else 4038 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; 4039 4040 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4041 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4042 else if (adapter->is_hw_11ac_capable) 4043 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4044 else 4045 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4046 wiphy->n_iface_combinations = 1; 4047 4048 /* Initialize cipher suits */ 4049 wiphy->cipher_suites = mwifiex_cipher_suites; 4050 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4051 4052 if (adapter->region_code) 4053 wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS | 4054 REGULATORY_COUNTRY_IE_IGNORE; 4055 4056 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4057 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4058 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4059 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4060 WIPHY_FLAG_AP_UAPSD | 4061 WIPHY_FLAG_SUPPORTS_SCHED_SCAN | 4062 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4063 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4064 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4065 4066 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4067 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4068 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4069 4070 #ifdef CONFIG_PM 4071 wiphy->wowlan = &mwifiex_wowlan_support; 4072 #endif 4073 4074 wiphy->coalesce = &mwifiex_coalesce_support; 4075 4076 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4077 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4078 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4079 4080 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4081 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4082 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4083 4084 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4085 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4086 4087 wiphy->features |= NL80211_FEATURE_HT_IBSS | 4088 NL80211_FEATURE_INACTIVITY_TIMER | 4089 NL80211_FEATURE_NEED_OBSS_SCAN; 4090 4091 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4092 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4093 4094 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4095 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4096 4097 /* Reserve space for mwifiex specific private data for BSS */ 4098 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4099 4100 wiphy->reg_notifier = mwifiex_reg_notifier; 4101 4102 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4103 wdev_priv = wiphy_priv(wiphy); 4104 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4105 4106 set_wiphy_dev(wiphy, priv->adapter->dev); 4107 4108 ret = wiphy_register(wiphy); 4109 if (ret < 0) { 4110 mwifiex_dbg(adapter, ERROR, 4111 "%s: wiphy_register failed: %d\n", __func__, ret); 4112 wiphy_free(wiphy); 4113 return ret; 4114 } 4115 4116 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4117 mwifiex_dbg(adapter, INFO, 4118 "driver hint alpha2: %2.2s\n", reg_alpha2); 4119 regulatory_hint(wiphy, reg_alpha2); 4120 } else { 4121 if (adapter->region_code == 0x00) { 4122 mwifiex_dbg(adapter, WARN, "Ignore world regulatory domain\n"); 4123 } else { 4124 country_code = 4125 mwifiex_11d_code_2_region(adapter->region_code); 4126 if (country_code && 4127 regulatory_hint(wiphy, country_code)) 4128 mwifiex_dbg(priv->adapter, ERROR, "regulatory_hint() failed\n"); 4129 } 4130 } 4131 4132 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4133 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4134 wiphy->frag_threshold = thr; 4135 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4136 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4137 wiphy->rts_threshold = thr; 4138 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4139 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4140 wiphy->retry_short = (u8) retry; 4141 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4142 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4143 wiphy->retry_long = (u8) retry; 4144 4145 adapter->wiphy = wiphy; 4146 return ret; 4147 } 4148