1/* 2 * NXP Wireless LAN device driver: functions for station ioctl 3 * 4 * Copyright 2011-2020 NXP 5 * 6 * This software file (the "File") is distributed by NXP 7 * 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 "decl.h" 21#include "ioctl.h" 22#include "util.h" 23#include "fw.h" 24#include "main.h" 25#include "wmm.h" 26#include "11n.h" 27#include "cfg80211.h" 28 29static int disconnect_on_suspend; 30module_param(disconnect_on_suspend, int, 0644); 31 32/* 33 * Copies the multicast address list from device to driver. 34 * 35 * This function does not validate the destination memory for 36 * size, and the calling function must ensure enough memory is 37 * available. 38 */ 39int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist, 40 struct net_device *dev) 41{ 42 int i = 0; 43 struct netdev_hw_addr *ha; 44 45 netdev_for_each_mc_addr(ha, dev) 46 memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN); 47 48 return i; 49} 50 51/* 52 * Wait queue completion handler. 53 * 54 * This function waits on a cmd wait queue. It also cancels the pending 55 * request after waking up, in case of errors. 56 */ 57int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter, 58 struct cmd_ctrl_node *cmd_queued) 59{ 60 int status; 61 62 /* Wait for completion */ 63 status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait, 64 *(cmd_queued->condition), 65 (12 * HZ)); 66 if (status <= 0) { 67 if (status == 0) 68 status = -ETIMEDOUT; 69 mwifiex_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n", 70 status); 71 mwifiex_cancel_all_pending_cmd(adapter); 72 return status; 73 } 74 75 status = adapter->cmd_wait_q.status; 76 adapter->cmd_wait_q.status = 0; 77 78 return status; 79} 80 81/* 82 * This function prepares the correct firmware command and 83 * issues it to set the multicast list. 84 * 85 * This function can be used to enable promiscuous mode, or enable all 86 * multicast packets, or to enable selective multicast. 87 */ 88int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, 89 struct mwifiex_multicast_list *mcast_list) 90{ 91 int ret = 0; 92 u16 old_pkt_filter; 93 94 old_pkt_filter = priv->curr_pkt_filter; 95 96 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) { 97 mwifiex_dbg(priv->adapter, INFO, 98 "info: Enable Promiscuous mode\n"); 99 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; 100 priv->curr_pkt_filter &= 101 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; 102 } else { 103 /* Multicast */ 104 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; 105 if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) { 106 mwifiex_dbg(priv->adapter, INFO, 107 "info: Enabling All Multicast!\n"); 108 priv->curr_pkt_filter |= 109 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; 110 } else { 111 priv->curr_pkt_filter &= 112 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; 113 mwifiex_dbg(priv->adapter, INFO, 114 "info: Set multicast list=%d\n", 115 mcast_list->num_multicast_addr); 116 /* Send multicast addresses to firmware */ 117 ret = mwifiex_send_cmd(priv, 118 HostCmd_CMD_MAC_MULTICAST_ADR, 119 HostCmd_ACT_GEN_SET, 0, 120 mcast_list, false); 121 } 122 } 123 mwifiex_dbg(priv->adapter, INFO, 124 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n", 125 old_pkt_filter, priv->curr_pkt_filter); 126 if (old_pkt_filter != priv->curr_pkt_filter) { 127 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, 128 HostCmd_ACT_GEN_SET, 129 0, &priv->curr_pkt_filter, false); 130 } 131 132 return ret; 133} 134 135/* 136 * This function fills bss descriptor structure using provided 137 * information. 138 * beacon_ie buffer is allocated in this function. It is caller's 139 * responsibility to free the memory. 140 */ 141int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, 142 struct cfg80211_bss *bss, 143 struct mwifiex_bssdescriptor *bss_desc) 144{ 145 u8 *beacon_ie; 146 size_t beacon_ie_len; 147 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv; 148 const struct cfg80211_bss_ies *ies; 149 150 rcu_read_lock(); 151 ies = rcu_dereference(bss->ies); 152 beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC); 153 beacon_ie_len = ies->len; 154 bss_desc->timestamp = ies->tsf; 155 rcu_read_unlock(); 156 157 if (!beacon_ie) { 158 mwifiex_dbg(priv->adapter, ERROR, 159 " failed to alloc beacon_ie\n"); 160 return -ENOMEM; 161 } 162 163 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN); 164 bss_desc->rssi = bss->signal; 165 /* The caller of this function will free beacon_ie */ 166 bss_desc->beacon_buf = beacon_ie; 167 bss_desc->beacon_buf_size = beacon_ie_len; 168 bss_desc->beacon_period = bss->beacon_interval; 169 bss_desc->cap_info_bitmap = bss->capability; 170 bss_desc->bss_band = bss_priv->band; 171 bss_desc->fw_tsf = bss_priv->fw_tsf; 172 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) { 173 mwifiex_dbg(priv->adapter, INFO, 174 "info: InterpretIE: AP WEP enabled\n"); 175 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; 176 } else { 177 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL; 178 } 179 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS) 180 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC; 181 else 182 bss_desc->bss_mode = NL80211_IFTYPE_STATION; 183 184 /* Disable 11ac by default. Enable it only where there 185 * exist VHT_CAP IE in AP beacon 186 */ 187 bss_desc->disable_11ac = true; 188 189 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT) 190 bss_desc->sensed_11h = true; 191 192 return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc); 193} 194 195void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv) 196{ 197 if (priv->adapter->dt_node) { 198 char txpwr[] = {"marvell,00_txpwrlimit"}; 199 200 memcpy(&txpwr[8], priv->adapter->country_code, 2); 201 mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr); 202 } 203} 204 205static int mwifiex_process_country_ie(struct mwifiex_private *priv, 206 struct cfg80211_bss *bss) 207{ 208 const u8 *country_ie; 209 u8 country_ie_len; 210 struct mwifiex_802_11d_domain_reg *domain_info = 211 &priv->adapter->domain_reg; 212 213 rcu_read_lock(); 214 country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY); 215 if (!country_ie) { 216 rcu_read_unlock(); 217 return 0; 218 } 219 220 country_ie_len = country_ie[1]; 221 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) { 222 rcu_read_unlock(); 223 return 0; 224 } 225 226 if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) { 227 rcu_read_unlock(); 228 mwifiex_dbg(priv->adapter, INFO, 229 "11D: skip setting domain info in FW\n"); 230 return 0; 231 } 232 233 if (country_ie_len > 234 (IEEE80211_COUNTRY_STRING_LEN + MWIFIEX_MAX_TRIPLET_802_11D)) { 235 rcu_read_unlock(); 236 mwifiex_dbg(priv->adapter, ERROR, 237 "11D: country_ie_len overflow!, deauth AP\n"); 238 return -EINVAL; 239 } 240 241 memcpy(priv->adapter->country_code, &country_ie[2], 2); 242 243 domain_info->country_code[0] = country_ie[2]; 244 domain_info->country_code[1] = country_ie[3]; 245 domain_info->country_code[2] = ' '; 246 247 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN; 248 249 domain_info->no_of_triplet = 250 country_ie_len / sizeof(struct ieee80211_country_ie_triplet); 251 252 memcpy((u8 *)domain_info->triplet, 253 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len); 254 255 rcu_read_unlock(); 256 257 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 258 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 259 mwifiex_dbg(priv->adapter, ERROR, 260 "11D: setting domain info in FW fail\n"); 261 return -1; 262 } 263 264 mwifiex_dnld_txpwr_table(priv); 265 266 return 0; 267} 268 269/* 270 * In Ad-Hoc mode, the IBSS is created if not found in scan list. 271 * In both Ad-Hoc and infra mode, an deauthentication is performed 272 * first. 273 */ 274int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, 275 struct cfg80211_ssid *req_ssid) 276{ 277 int ret; 278 struct mwifiex_adapter *adapter = priv->adapter; 279 struct mwifiex_bssdescriptor *bss_desc = NULL; 280 281 priv->scan_block = false; 282 283 if (bss) { 284 if (adapter->region_code == 0x00 && 285 mwifiex_process_country_ie(priv, bss)) 286 return -EINVAL; 287 288 /* Allocate and fill new bss descriptor */ 289 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor), 290 GFP_KERNEL); 291 if (!bss_desc) 292 return -ENOMEM; 293 294 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc); 295 if (ret) 296 goto done; 297 } 298 299 if (priv->bss_mode == NL80211_IFTYPE_STATION || 300 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) { 301 u8 config_bands; 302 303 if (!bss_desc) 304 return -1; 305 306 if (mwifiex_band_to_radio_type(bss_desc->bss_band) == 307 HostCmd_SCAN_RADIO_TYPE_BG) { 308 config_bands = BAND_B | BAND_G | BAND_GN; 309 } else { 310 config_bands = BAND_A | BAND_AN; 311 if (adapter->fw_bands & BAND_AAC) 312 config_bands |= BAND_AAC; 313 } 314 315 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) 316 adapter->config_bands = config_bands; 317 318 ret = mwifiex_check_network_compatibility(priv, bss_desc); 319 if (ret) 320 goto done; 321 322 if (mwifiex_11h_get_csa_closed_channel(priv) == 323 (u8)bss_desc->channel) { 324 mwifiex_dbg(adapter, ERROR, 325 "Attempt to reconnect on csa closed chan(%d)\n", 326 bss_desc->channel); 327 ret = -1; 328 goto done; 329 } 330 331 mwifiex_dbg(adapter, INFO, 332 "info: SSID found in scan list ...\t" 333 "associating...\n"); 334 335 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 336 if (netif_carrier_ok(priv->netdev)) 337 netif_carrier_off(priv->netdev); 338 339 /* Clear any past association response stored for 340 * application retrieval */ 341 priv->assoc_rsp_size = 0; 342 ret = mwifiex_associate(priv, bss_desc); 343 344 /* If auth type is auto and association fails using open mode, 345 * try to connect using shared mode */ 346 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG && 347 priv->sec_info.is_authtype_auto && 348 priv->sec_info.wep_enabled) { 349 priv->sec_info.authentication_mode = 350 NL80211_AUTHTYPE_SHARED_KEY; 351 ret = mwifiex_associate(priv, bss_desc); 352 } 353 354 if (bss) 355 cfg80211_put_bss(priv->adapter->wiphy, bss); 356 } else { 357 /* Adhoc mode */ 358 /* If the requested SSID matches current SSID, return */ 359 if (bss_desc && bss_desc->ssid.ssid_len && 360 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor. 361 ssid, &bss_desc->ssid))) { 362 ret = 0; 363 goto done; 364 } 365 366 priv->adhoc_is_link_sensed = false; 367 368 ret = mwifiex_check_network_compatibility(priv, bss_desc); 369 370 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 371 if (netif_carrier_ok(priv->netdev)) 372 netif_carrier_off(priv->netdev); 373 374 if (!ret) { 375 mwifiex_dbg(adapter, INFO, 376 "info: network found in scan\t" 377 " list. Joining...\n"); 378 ret = mwifiex_adhoc_join(priv, bss_desc); 379 if (bss) 380 cfg80211_put_bss(priv->adapter->wiphy, bss); 381 } else { 382 mwifiex_dbg(adapter, INFO, 383 "info: Network not found in\t" 384 "the list, creating adhoc with ssid = %s\n", 385 req_ssid->ssid); 386 ret = mwifiex_adhoc_start(priv, req_ssid); 387 } 388 } 389 390done: 391 /* beacon_ie buffer was allocated in function 392 * mwifiex_fill_new_bss_desc(). Free it now. 393 */ 394 if (bss_desc) 395 kfree(bss_desc->beacon_buf); 396 kfree(bss_desc); 397 398 if (ret < 0) 399 priv->attempted_bss_desc = NULL; 400 401 return ret; 402} 403 404/* 405 * IOCTL request handler to set host sleep configuration. 406 * 407 * This function prepares the correct firmware command and 408 * issues it. 409 */ 410int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action, 411 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg) 412 413{ 414 struct mwifiex_adapter *adapter = priv->adapter; 415 int status = 0; 416 u32 prev_cond = 0; 417 418 if (!hs_cfg) 419 return -ENOMEM; 420 421 switch (action) { 422 case HostCmd_ACT_GEN_SET: 423 if (adapter->pps_uapsd_mode) { 424 mwifiex_dbg(adapter, INFO, 425 "info: Host Sleep IOCTL\t" 426 "is blocked in UAPSD/PPS mode\n"); 427 status = -1; 428 break; 429 } 430 if (hs_cfg->is_invoke_hostcmd) { 431 if (hs_cfg->conditions == HS_CFG_CANCEL) { 432 if (!test_bit(MWIFIEX_IS_HS_CONFIGURED, 433 &adapter->work_flags)) 434 /* Already cancelled */ 435 break; 436 /* Save previous condition */ 437 prev_cond = le32_to_cpu(adapter->hs_cfg 438 .conditions); 439 adapter->hs_cfg.conditions = 440 cpu_to_le32(hs_cfg->conditions); 441 } else if (hs_cfg->conditions) { 442 adapter->hs_cfg.conditions = 443 cpu_to_le32(hs_cfg->conditions); 444 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; 445 if (hs_cfg->gap) 446 adapter->hs_cfg.gap = (u8)hs_cfg->gap; 447 } else if (adapter->hs_cfg.conditions == 448 cpu_to_le32(HS_CFG_CANCEL)) { 449 /* Return failure if no parameters for HS 450 enable */ 451 status = -1; 452 break; 453 } 454 455 status = mwifiex_send_cmd(priv, 456 HostCmd_CMD_802_11_HS_CFG_ENH, 457 HostCmd_ACT_GEN_SET, 0, 458 &adapter->hs_cfg, 459 cmd_type == MWIFIEX_SYNC_CMD); 460 461 if (hs_cfg->conditions == HS_CFG_CANCEL) 462 /* Restore previous condition */ 463 adapter->hs_cfg.conditions = 464 cpu_to_le32(prev_cond); 465 } else { 466 adapter->hs_cfg.conditions = 467 cpu_to_le32(hs_cfg->conditions); 468 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; 469 adapter->hs_cfg.gap = (u8)hs_cfg->gap; 470 } 471 break; 472 case HostCmd_ACT_GEN_GET: 473 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions); 474 hs_cfg->gpio = adapter->hs_cfg.gpio; 475 hs_cfg->gap = adapter->hs_cfg.gap; 476 break; 477 default: 478 status = -1; 479 break; 480 } 481 482 return status; 483} 484 485/* 486 * Sends IOCTL request to cancel the existing Host Sleep configuration. 487 * 488 * This function allocates the IOCTL request buffer, fills it 489 * with requisite parameters and calls the IOCTL handler. 490 */ 491int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type) 492{ 493 struct mwifiex_ds_hs_cfg hscfg; 494 495 hscfg.conditions = HS_CFG_CANCEL; 496 hscfg.is_invoke_hostcmd = true; 497 498 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, 499 cmd_type, &hscfg); 500} 501EXPORT_SYMBOL_GPL(mwifiex_cancel_hs); 502 503/* 504 * Sends IOCTL request to cancel the existing Host Sleep configuration. 505 * 506 * This function allocates the IOCTL request buffer, fills it 507 * with requisite parameters and calls the IOCTL handler. 508 */ 509int mwifiex_enable_hs(struct mwifiex_adapter *adapter) 510{ 511 struct mwifiex_ds_hs_cfg hscfg; 512 struct mwifiex_private *priv; 513 int i; 514 515 if (disconnect_on_suspend) { 516 for (i = 0; i < adapter->priv_num; i++) { 517 priv = adapter->priv[i]; 518 if (priv) 519 mwifiex_deauthenticate(priv, NULL); 520 } 521 } 522 523 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 524 525 if (priv && priv->sched_scanning) { 526#ifdef CONFIG_PM 527 if (priv->wdev.wiphy->wowlan_config && 528 !priv->wdev.wiphy->wowlan_config->nd_config) { 529#endif 530 mwifiex_dbg(adapter, CMD, "aborting bgscan!\n"); 531 mwifiex_stop_bg_scan(priv); 532 cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0); 533#ifdef CONFIG_PM 534 } 535#endif 536 } 537 538 if (adapter->hs_activated) { 539 mwifiex_dbg(adapter, CMD, 540 "cmd: HS Already activated\n"); 541 return true; 542 } 543 544 adapter->hs_activate_wait_q_woken = false; 545 546 memset(&hscfg, 0, sizeof(hscfg)); 547 hscfg.is_invoke_hostcmd = true; 548 549 set_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags); 550 mwifiex_cancel_all_pending_cmd(adapter); 551 552 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter, 553 MWIFIEX_BSS_ROLE_STA), 554 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD, 555 &hscfg)) { 556 mwifiex_dbg(adapter, ERROR, 557 "IOCTL request HS enable failed\n"); 558 return false; 559 } 560 561 if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q, 562 adapter->hs_activate_wait_q_woken, 563 (10 * HZ)) <= 0) { 564 mwifiex_dbg(adapter, ERROR, 565 "hs_activate_wait_q terminated\n"); 566 return false; 567 } 568 569 return true; 570} 571EXPORT_SYMBOL_GPL(mwifiex_enable_hs); 572 573/* 574 * IOCTL request handler to get BSS information. 575 * 576 * This function collates the information from different driver structures 577 * to send to the user. 578 */ 579int mwifiex_get_bss_info(struct mwifiex_private *priv, 580 struct mwifiex_bss_info *info) 581{ 582 struct mwifiex_adapter *adapter = priv->adapter; 583 struct mwifiex_bssdescriptor *bss_desc; 584 585 if (!info) 586 return -1; 587 588 bss_desc = &priv->curr_bss_params.bss_descriptor; 589 590 info->bss_mode = priv->bss_mode; 591 592 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid)); 593 594 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN); 595 596 info->bss_chan = bss_desc->channel; 597 598 memcpy(info->country_code, adapter->country_code, 599 IEEE80211_COUNTRY_STRING_LEN); 600 601 info->media_connected = priv->media_connected; 602 603 info->max_power_level = priv->max_tx_power_level; 604 info->min_power_level = priv->min_tx_power_level; 605 606 info->adhoc_state = priv->adhoc_state; 607 608 info->bcn_nf_last = priv->bcn_nf_last; 609 610 if (priv->sec_info.wep_enabled) 611 info->wep_status = true; 612 else 613 info->wep_status = false; 614 615 info->is_hs_configured = test_bit(MWIFIEX_IS_HS_CONFIGURED, 616 &adapter->work_flags); 617 info->is_deep_sleep = adapter->is_deep_sleep; 618 619 return 0; 620} 621 622/* 623 * The function disables auto deep sleep mode. 624 */ 625int mwifiex_disable_auto_ds(struct mwifiex_private *priv) 626{ 627 struct mwifiex_ds_auto_ds auto_ds = { 628 .auto_ds = DEEP_SLEEP_OFF, 629 }; 630 631 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH, 632 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true); 633} 634EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds); 635 636/* 637 * Sends IOCTL request to get the data rate. 638 * 639 * This function allocates the IOCTL request buffer, fills it 640 * with requisite parameters and calls the IOCTL handler. 641 */ 642int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate) 643{ 644 int ret; 645 646 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY, 647 HostCmd_ACT_GEN_GET, 0, NULL, true); 648 649 if (!ret) { 650 if (priv->is_data_rate_auto) 651 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate, 652 priv->tx_htinfo); 653 else 654 *rate = priv->data_rate; 655 } 656 657 return ret; 658} 659 660/* 661 * IOCTL request handler to set tx power configuration. 662 * 663 * This function prepares the correct firmware command and 664 * issues it. 665 * 666 * For non-auto power mode, all the following power groups are set - 667 * - Modulation class HR/DSSS 668 * - Modulation class OFDM 669 * - Modulation class HTBW20 670 * - Modulation class HTBW40 671 */ 672int mwifiex_set_tx_power(struct mwifiex_private *priv, 673 struct mwifiex_power_cfg *power_cfg) 674{ 675 int ret; 676 struct host_cmd_ds_txpwr_cfg *txp_cfg; 677 struct mwifiex_types_power_group *pg_tlv; 678 struct mwifiex_power_group *pg; 679 u8 *buf; 680 u16 dbm = 0; 681 682 if (!power_cfg->is_power_auto) { 683 dbm = (u16) power_cfg->power_level; 684 if ((dbm < priv->min_tx_power_level) || 685 (dbm > priv->max_tx_power_level)) { 686 mwifiex_dbg(priv->adapter, ERROR, 687 "txpower value %d dBm\t" 688 "is out of range (%d dBm-%d dBm)\n", 689 dbm, priv->min_tx_power_level, 690 priv->max_tx_power_level); 691 return -1; 692 } 693 } 694 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL); 695 if (!buf) 696 return -ENOMEM; 697 698 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf; 699 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET); 700 if (!power_cfg->is_power_auto) { 701 u16 dbm_min = power_cfg->is_power_fixed ? 702 dbm : priv->min_tx_power_level; 703 704 txp_cfg->mode = cpu_to_le32(1); 705 pg_tlv = (struct mwifiex_types_power_group *) 706 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)); 707 pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP); 708 pg_tlv->length = 709 cpu_to_le16(4 * sizeof(struct mwifiex_power_group)); 710 pg = (struct mwifiex_power_group *) 711 (buf + sizeof(struct host_cmd_ds_txpwr_cfg) 712 + sizeof(struct mwifiex_types_power_group)); 713 /* Power group for modulation class HR/DSSS */ 714 pg->first_rate_code = 0x00; 715 pg->last_rate_code = 0x03; 716 pg->modulation_class = MOD_CLASS_HR_DSSS; 717 pg->power_step = 0; 718 pg->power_min = (s8) dbm_min; 719 pg->power_max = (s8) dbm; 720 pg++; 721 /* Power group for modulation class OFDM */ 722 pg->first_rate_code = 0x00; 723 pg->last_rate_code = 0x07; 724 pg->modulation_class = MOD_CLASS_OFDM; 725 pg->power_step = 0; 726 pg->power_min = (s8) dbm_min; 727 pg->power_max = (s8) dbm; 728 pg++; 729 /* Power group for modulation class HTBW20 */ 730 pg->first_rate_code = 0x00; 731 pg->last_rate_code = 0x20; 732 pg->modulation_class = MOD_CLASS_HT; 733 pg->power_step = 0; 734 pg->power_min = (s8) dbm_min; 735 pg->power_max = (s8) dbm; 736 pg->ht_bandwidth = HT_BW_20; 737 pg++; 738 /* Power group for modulation class HTBW40 */ 739 pg->first_rate_code = 0x00; 740 pg->last_rate_code = 0x20; 741 pg->modulation_class = MOD_CLASS_HT; 742 pg->power_step = 0; 743 pg->power_min = (s8) dbm_min; 744 pg->power_max = (s8) dbm; 745 pg->ht_bandwidth = HT_BW_40; 746 } 747 ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG, 748 HostCmd_ACT_GEN_SET, 0, buf, true); 749 750 kfree(buf); 751 return ret; 752} 753 754/* 755 * IOCTL request handler to get power save mode. 756 * 757 * This function prepares the correct firmware command and 758 * issues it. 759 */ 760int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode) 761{ 762 int ret; 763 struct mwifiex_adapter *adapter = priv->adapter; 764 u16 sub_cmd; 765 766 if (*ps_mode) 767 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; 768 else 769 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; 770 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS; 771 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH, 772 sub_cmd, BITMAP_STA_PS, NULL, true); 773 if ((!ret) && (sub_cmd == DIS_AUTO_PS)) 774 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH, 775 GET_PS, 0, NULL, false); 776 777 return ret; 778} 779 780/* 781 * IOCTL request handler to set/reset WPA IE. 782 * 783 * The supplied WPA IE is treated as a opaque buffer. Only the first field 784 * is checked to determine WPA version. If buffer length is zero, the existing 785 * WPA IE is reset. 786 */ 787static int mwifiex_set_wpa_ie(struct mwifiex_private *priv, 788 u8 *ie_data_ptr, u16 ie_len) 789{ 790 if (ie_len) { 791 if (ie_len > sizeof(priv->wpa_ie)) { 792 mwifiex_dbg(priv->adapter, ERROR, 793 "failed to copy WPA IE, too big\n"); 794 return -1; 795 } 796 memcpy(priv->wpa_ie, ie_data_ptr, ie_len); 797 priv->wpa_ie_len = ie_len; 798 mwifiex_dbg(priv->adapter, CMD, 799 "cmd: Set Wpa_ie_len=%d IE=%#x\n", 800 priv->wpa_ie_len, priv->wpa_ie[0]); 801 802 if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) { 803 priv->sec_info.wpa_enabled = true; 804 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) { 805 priv->sec_info.wpa2_enabled = true; 806 } else { 807 priv->sec_info.wpa_enabled = false; 808 priv->sec_info.wpa2_enabled = false; 809 } 810 } else { 811 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie)); 812 priv->wpa_ie_len = 0; 813 mwifiex_dbg(priv->adapter, INFO, 814 "info: reset wpa_ie_len=%d IE=%#x\n", 815 priv->wpa_ie_len, priv->wpa_ie[0]); 816 priv->sec_info.wpa_enabled = false; 817 priv->sec_info.wpa2_enabled = false; 818 } 819 820 return 0; 821} 822 823/* 824 * IOCTL request handler to set/reset WAPI IE. 825 * 826 * The supplied WAPI IE is treated as a opaque buffer. Only the first field 827 * is checked to internally enable WAPI. If buffer length is zero, the existing 828 * WAPI IE is reset. 829 */ 830static int mwifiex_set_wapi_ie(struct mwifiex_private *priv, 831 u8 *ie_data_ptr, u16 ie_len) 832{ 833 if (ie_len) { 834 if (ie_len > sizeof(priv->wapi_ie)) { 835 mwifiex_dbg(priv->adapter, ERROR, 836 "info: failed to copy WAPI IE, too big\n"); 837 return -1; 838 } 839 memcpy(priv->wapi_ie, ie_data_ptr, ie_len); 840 priv->wapi_ie_len = ie_len; 841 mwifiex_dbg(priv->adapter, CMD, 842 "cmd: Set wapi_ie_len=%d IE=%#x\n", 843 priv->wapi_ie_len, priv->wapi_ie[0]); 844 845 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY) 846 priv->sec_info.wapi_enabled = true; 847 } else { 848 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie)); 849 priv->wapi_ie_len = ie_len; 850 mwifiex_dbg(priv->adapter, INFO, 851 "info: Reset wapi_ie_len=%d IE=%#x\n", 852 priv->wapi_ie_len, priv->wapi_ie[0]); 853 priv->sec_info.wapi_enabled = false; 854 } 855 return 0; 856} 857 858/* 859 * IOCTL request handler to set/reset WPS IE. 860 * 861 * The supplied WPS IE is treated as a opaque buffer. Only the first field 862 * is checked to internally enable WPS. If buffer length is zero, the existing 863 * WPS IE is reset. 864 */ 865static int mwifiex_set_wps_ie(struct mwifiex_private *priv, 866 u8 *ie_data_ptr, u16 ie_len) 867{ 868 if (ie_len) { 869 if (ie_len > MWIFIEX_MAX_VSIE_LEN) { 870 mwifiex_dbg(priv->adapter, ERROR, 871 "info: failed to copy WPS IE, too big\n"); 872 return -1; 873 } 874 875 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL); 876 if (!priv->wps_ie) 877 return -ENOMEM; 878 879 memcpy(priv->wps_ie, ie_data_ptr, ie_len); 880 priv->wps_ie_len = ie_len; 881 mwifiex_dbg(priv->adapter, CMD, 882 "cmd: Set wps_ie_len=%d IE=%#x\n", 883 priv->wps_ie_len, priv->wps_ie[0]); 884 } else { 885 kfree(priv->wps_ie); 886 priv->wps_ie_len = ie_len; 887 mwifiex_dbg(priv->adapter, INFO, 888 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len); 889 } 890 return 0; 891} 892 893/* 894 * IOCTL request handler to set WAPI key. 895 * 896 * This function prepares the correct firmware command and 897 * issues it. 898 */ 899static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv, 900 struct mwifiex_ds_encrypt_key *encrypt_key) 901{ 902 903 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 904 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, 905 encrypt_key, true); 906} 907 908/* 909 * IOCTL request handler to set WEP network key. 910 * 911 * This function prepares the correct firmware command and 912 * issues it, after validation checks. 913 */ 914static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv, 915 struct mwifiex_ds_encrypt_key *encrypt_key) 916{ 917 struct mwifiex_adapter *adapter = priv->adapter; 918 int ret; 919 struct mwifiex_wep_key *wep_key; 920 int index; 921 922 if (priv->wep_key_curr_index >= NUM_WEP_KEYS) 923 priv->wep_key_curr_index = 0; 924 wep_key = &priv->wep_key[priv->wep_key_curr_index]; 925 index = encrypt_key->key_index; 926 if (encrypt_key->key_disable) { 927 priv->sec_info.wep_enabled = 0; 928 } else if (!encrypt_key->key_len) { 929 /* Copy the required key as the current key */ 930 wep_key = &priv->wep_key[index]; 931 if (!wep_key->key_length) { 932 mwifiex_dbg(adapter, ERROR, 933 "key not set, so cannot enable it\n"); 934 return -1; 935 } 936 937 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) { 938 memcpy(encrypt_key->key_material, 939 wep_key->key_material, wep_key->key_length); 940 encrypt_key->key_len = wep_key->key_length; 941 } 942 943 priv->wep_key_curr_index = (u16) index; 944 priv->sec_info.wep_enabled = 1; 945 } else { 946 wep_key = &priv->wep_key[index]; 947 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 948 /* Copy the key in the driver */ 949 memcpy(wep_key->key_material, 950 encrypt_key->key_material, 951 encrypt_key->key_len); 952 wep_key->key_index = index; 953 wep_key->key_length = encrypt_key->key_len; 954 priv->sec_info.wep_enabled = 1; 955 } 956 if (wep_key->key_length) { 957 void *enc_key; 958 959 if (encrypt_key->key_disable) { 960 memset(&priv->wep_key[index], 0, 961 sizeof(struct mwifiex_wep_key)); 962 goto done; 963 } 964 965 if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) 966 enc_key = encrypt_key; 967 else 968 enc_key = NULL; 969 970 /* Send request to firmware */ 971 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 972 HostCmd_ACT_GEN_SET, 0, enc_key, false); 973 if (ret) 974 return ret; 975 } 976 977done: 978 if (priv->sec_info.wep_enabled) 979 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; 980 else 981 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; 982 983 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, 984 HostCmd_ACT_GEN_SET, 0, 985 &priv->curr_pkt_filter, true); 986 987 return ret; 988} 989 990/* 991 * IOCTL request handler to set WPA key. 992 * 993 * This function prepares the correct firmware command and 994 * issues it, after validation checks. 995 * 996 * Current driver only supports key length of up to 32 bytes. 997 * 998 * This function can also be used to disable a currently set key. 999 */ 1000static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv, 1001 struct mwifiex_ds_encrypt_key *encrypt_key) 1002{ 1003 int ret; 1004 u8 remove_key = false; 1005 struct host_cmd_ds_802_11_key_material *ibss_key; 1006 1007 /* Current driver only supports key length of up to 32 bytes */ 1008 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) { 1009 mwifiex_dbg(priv->adapter, ERROR, 1010 "key length too long\n"); 1011 return -1; 1012 } 1013 1014 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { 1015 /* 1016 * IBSS/WPA-None uses only one key (Group) for both receiving 1017 * and sending unicast and multicast packets. 1018 */ 1019 /* Send the key as PTK to firmware */ 1020 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; 1021 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 1022 HostCmd_ACT_GEN_SET, 1023 KEY_INFO_ENABLED, encrypt_key, false); 1024 if (ret) 1025 return ret; 1026 1027 ibss_key = &priv->aes_key; 1028 memset(ibss_key, 0, 1029 sizeof(struct host_cmd_ds_802_11_key_material)); 1030 /* Copy the key in the driver */ 1031 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material, 1032 encrypt_key->key_len); 1033 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len, 1034 sizeof(ibss_key->key_param_set.key_len)); 1035 ibss_key->key_param_set.key_type_id 1036 = cpu_to_le16(KEY_TYPE_ID_TKIP); 1037 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED); 1038 1039 /* Send the key as GTK to firmware */ 1040 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST; 1041 } 1042 1043 if (!encrypt_key->key_index) 1044 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; 1045 1046 if (remove_key) 1047 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 1048 HostCmd_ACT_GEN_SET, 1049 !KEY_INFO_ENABLED, encrypt_key, true); 1050 else 1051 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 1052 HostCmd_ACT_GEN_SET, 1053 KEY_INFO_ENABLED, encrypt_key, true); 1054 1055 return ret; 1056} 1057 1058/* 1059 * IOCTL request handler to set/get network keys. 1060 * 1061 * This is a generic key handling function which supports WEP, WPA 1062 * and WAPI. 1063 */ 1064static int 1065mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv, 1066 struct mwifiex_ds_encrypt_key *encrypt_key) 1067{ 1068 int status; 1069 1070 if (encrypt_key->is_wapi_key) 1071 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key); 1072 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104) 1073 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key); 1074 else 1075 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key); 1076 return status; 1077} 1078 1079/* 1080 * This function returns the driver version. 1081 */ 1082int 1083mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version, 1084 int max_len) 1085{ 1086 union { 1087 __le32 l; 1088 u8 c[4]; 1089 } ver; 1090 char fw_ver[32]; 1091 1092 ver.l = cpu_to_le32(adapter->fw_release_number); 1093 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]); 1094 1095 snprintf(version, max_len, driver_version, fw_ver); 1096 1097 mwifiex_dbg(adapter, MSG, "info: MWIFIEX VERSION: %s\n", version); 1098 1099 return 0; 1100} 1101 1102/* 1103 * Sends IOCTL request to set encoding parameters. 1104 * 1105 * This function allocates the IOCTL request buffer, fills it 1106 * with requisite parameters and calls the IOCTL handler. 1107 */ 1108int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp, 1109 const u8 *key, int key_len, u8 key_index, 1110 const u8 *mac_addr, int disable) 1111{ 1112 struct mwifiex_ds_encrypt_key encrypt_key; 1113 1114 memset(&encrypt_key, 0, sizeof(encrypt_key)); 1115 encrypt_key.key_len = key_len; 1116 encrypt_key.key_index = key_index; 1117 1118 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC) 1119 encrypt_key.is_igtk_key = true; 1120 1121 if (!disable) { 1122 if (key_len) 1123 memcpy(encrypt_key.key_material, key, key_len); 1124 else 1125 encrypt_key.is_current_wep_key = true; 1126 1127 if (mac_addr) 1128 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN); 1129 if (kp && kp->seq && kp->seq_len) { 1130 memcpy(encrypt_key.pn, kp->seq, kp->seq_len); 1131 encrypt_key.pn_len = kp->seq_len; 1132 encrypt_key.is_rx_seq_valid = true; 1133 } 1134 } else { 1135 encrypt_key.key_disable = true; 1136 if (mac_addr) 1137 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN); 1138 } 1139 1140 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key); 1141} 1142 1143/* 1144 * Sends IOCTL request to get extended version. 1145 * 1146 * This function allocates the IOCTL request buffer, fills it 1147 * with requisite parameters and calls the IOCTL handler. 1148 */ 1149int 1150mwifiex_get_ver_ext(struct mwifiex_private *priv, u32 version_str_sel) 1151{ 1152 struct mwifiex_ver_ext ver_ext; 1153 1154 memset(&ver_ext, 0, sizeof(ver_ext)); 1155 ver_ext.version_str_sel = version_str_sel; 1156 if (mwifiex_send_cmd(priv, HostCmd_CMD_VERSION_EXT, 1157 HostCmd_ACT_GEN_GET, 0, &ver_ext, true)) 1158 return -1; 1159 1160 return 0; 1161} 1162 1163int 1164mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action, 1165 struct ieee80211_channel *chan, 1166 unsigned int duration) 1167{ 1168 struct host_cmd_ds_remain_on_chan roc_cfg; 1169 u8 sc; 1170 1171 memset(&roc_cfg, 0, sizeof(roc_cfg)); 1172 roc_cfg.action = cpu_to_le16(action); 1173 if (action == HostCmd_ACT_GEN_SET) { 1174 roc_cfg.band_cfg = chan->band; 1175 sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT); 1176 roc_cfg.band_cfg |= (sc << 2); 1177 1178 roc_cfg.channel = 1179 ieee80211_frequency_to_channel(chan->center_freq); 1180 roc_cfg.duration = cpu_to_le32(duration); 1181 } 1182 if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN, 1183 action, 0, &roc_cfg, true)) { 1184 mwifiex_dbg(priv->adapter, ERROR, 1185 "failed to remain on channel\n"); 1186 return -1; 1187 } 1188 1189 return roc_cfg.status; 1190} 1191 1192/* 1193 * Sends IOCTL request to get statistics information. 1194 * 1195 * This function allocates the IOCTL request buffer, fills it 1196 * with requisite parameters and calls the IOCTL handler. 1197 */ 1198int 1199mwifiex_get_stats_info(struct mwifiex_private *priv, 1200 struct mwifiex_ds_get_stats *log) 1201{ 1202 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_GET_LOG, 1203 HostCmd_ACT_GEN_GET, 0, log, true); 1204} 1205 1206/* 1207 * IOCTL request handler to read/write register. 1208 * 1209 * This function prepares the correct firmware command and 1210 * issues it. 1211 * 1212 * Access to the following registers are supported - 1213 * - MAC 1214 * - BBP 1215 * - RF 1216 * - PMIC 1217 * - CAU 1218 */ 1219static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv, 1220 struct mwifiex_ds_reg_rw *reg_rw, 1221 u16 action) 1222{ 1223 u16 cmd_no; 1224 1225 switch (reg_rw->type) { 1226 case MWIFIEX_REG_MAC: 1227 cmd_no = HostCmd_CMD_MAC_REG_ACCESS; 1228 break; 1229 case MWIFIEX_REG_BBP: 1230 cmd_no = HostCmd_CMD_BBP_REG_ACCESS; 1231 break; 1232 case MWIFIEX_REG_RF: 1233 cmd_no = HostCmd_CMD_RF_REG_ACCESS; 1234 break; 1235 case MWIFIEX_REG_PMIC: 1236 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS; 1237 break; 1238 case MWIFIEX_REG_CAU: 1239 cmd_no = HostCmd_CMD_CAU_REG_ACCESS; 1240 break; 1241 default: 1242 return -1; 1243 } 1244 1245 return mwifiex_send_cmd(priv, cmd_no, action, 0, reg_rw, true); 1246} 1247 1248/* 1249 * Sends IOCTL request to write to a register. 1250 * 1251 * This function allocates the IOCTL request buffer, fills it 1252 * with requisite parameters and calls the IOCTL handler. 1253 */ 1254int 1255mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type, 1256 u32 reg_offset, u32 reg_value) 1257{ 1258 struct mwifiex_ds_reg_rw reg_rw; 1259 1260 reg_rw.type = reg_type; 1261 reg_rw.offset = reg_offset; 1262 reg_rw.value = reg_value; 1263 1264 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET); 1265} 1266 1267/* 1268 * Sends IOCTL request to read from a register. 1269 * 1270 * This function allocates the IOCTL request buffer, fills it 1271 * with requisite parameters and calls the IOCTL handler. 1272 */ 1273int 1274mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type, 1275 u32 reg_offset, u32 *value) 1276{ 1277 int ret; 1278 struct mwifiex_ds_reg_rw reg_rw; 1279 1280 reg_rw.type = reg_type; 1281 reg_rw.offset = reg_offset; 1282 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET); 1283 1284 if (ret) 1285 goto done; 1286 1287 *value = reg_rw.value; 1288 1289done: 1290 return ret; 1291} 1292 1293/* 1294 * Sends IOCTL request to read from EEPROM. 1295 * 1296 * This function allocates the IOCTL request buffer, fills it 1297 * with requisite parameters and calls the IOCTL handler. 1298 */ 1299int 1300mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes, 1301 u8 *value) 1302{ 1303 int ret; 1304 struct mwifiex_ds_read_eeprom rd_eeprom; 1305 1306 rd_eeprom.offset = offset; 1307 rd_eeprom.byte_count = bytes; 1308 1309 /* Send request to firmware */ 1310 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS, 1311 HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true); 1312 1313 if (!ret) 1314 memcpy(value, rd_eeprom.value, min((u16)MAX_EEPROM_DATA, 1315 rd_eeprom.byte_count)); 1316 return ret; 1317} 1318 1319/* 1320 * This function sets a generic IE. In addition to generic IE, it can 1321 * also handle WPA, WPA2 and WAPI IEs. 1322 */ 1323static int 1324mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, 1325 u16 ie_len) 1326{ 1327 struct ieee_types_vendor_header *pvendor_ie; 1328 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 }; 1329 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; 1330 u16 unparsed_len = ie_len, cur_ie_len; 1331 1332 /* If the passed length is zero, reset the buffer */ 1333 if (!ie_len) { 1334 priv->gen_ie_buf_len = 0; 1335 priv->wps.session_enable = false; 1336 return 0; 1337 } else if (!ie_data_ptr || 1338 ie_len <= sizeof(struct ieee_types_header)) { 1339 return -1; 1340 } 1341 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; 1342 1343 while (pvendor_ie) { 1344 cur_ie_len = pvendor_ie->len + sizeof(struct ieee_types_header); 1345 1346 if (pvendor_ie->element_id == WLAN_EID_RSN) { 1347 /* IE is a WPA/WPA2 IE so call set_wpa function */ 1348 mwifiex_set_wpa_ie(priv, (u8 *)pvendor_ie, cur_ie_len); 1349 priv->wps.session_enable = false; 1350 goto next_ie; 1351 } 1352 1353 if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) { 1354 /* IE is a WAPI IE so call set_wapi function */ 1355 mwifiex_set_wapi_ie(priv, (u8 *)pvendor_ie, 1356 cur_ie_len); 1357 goto next_ie; 1358 } 1359 1360 if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) { 1361 /* Test to see if it is a WPA IE, if not, then 1362 * it is a gen IE 1363 */ 1364 if (!memcmp(&pvendor_ie->oui, wpa_oui, 1365 sizeof(wpa_oui))) { 1366 /* IE is a WPA/WPA2 IE so call set_wpa function 1367 */ 1368 mwifiex_set_wpa_ie(priv, (u8 *)pvendor_ie, 1369 cur_ie_len); 1370 priv->wps.session_enable = false; 1371 goto next_ie; 1372 } 1373 1374 if (!memcmp(&pvendor_ie->oui, wps_oui, 1375 sizeof(wps_oui))) { 1376 /* Test to see if it is a WPS IE, 1377 * if so, enable wps session flag 1378 */ 1379 priv->wps.session_enable = true; 1380 mwifiex_dbg(priv->adapter, MSG, 1381 "WPS Session Enabled.\n"); 1382 mwifiex_set_wps_ie(priv, (u8 *)pvendor_ie, 1383 cur_ie_len); 1384 goto next_ie; 1385 } 1386 } 1387 1388 /* Saved in gen_ie, such as P2P IE.etc.*/ 1389 1390 /* Verify that the passed length is not larger than the 1391 * available space remaining in the buffer 1392 */ 1393 if (cur_ie_len < 1394 (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) { 1395 /* Append the passed data to the end 1396 * of the genIeBuffer 1397 */ 1398 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, 1399 (u8 *)pvendor_ie, cur_ie_len); 1400 /* Increment the stored buffer length by the 1401 * size passed 1402 */ 1403 priv->gen_ie_buf_len += cur_ie_len; 1404 } 1405 1406next_ie: 1407 unparsed_len -= cur_ie_len; 1408 1409 if (unparsed_len <= sizeof(struct ieee_types_header)) 1410 pvendor_ie = NULL; 1411 else 1412 pvendor_ie = (struct ieee_types_vendor_header *) 1413 (((u8 *)pvendor_ie) + cur_ie_len); 1414 } 1415 1416 return 0; 1417} 1418 1419/* 1420 * IOCTL request handler to set/get generic IE. 1421 * 1422 * In addition to various generic IEs, this function can also be 1423 * used to set the ARP filter. 1424 */ 1425static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv, 1426 struct mwifiex_ds_misc_gen_ie *gen_ie, 1427 u16 action) 1428{ 1429 struct mwifiex_adapter *adapter = priv->adapter; 1430 1431 switch (gen_ie->type) { 1432 case MWIFIEX_IE_TYPE_GEN_IE: 1433 if (action == HostCmd_ACT_GEN_GET) { 1434 gen_ie->len = priv->wpa_ie_len; 1435 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len); 1436 } else { 1437 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data, 1438 (u16) gen_ie->len); 1439 } 1440 break; 1441 case MWIFIEX_IE_TYPE_ARP_FILTER: 1442 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter)); 1443 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) { 1444 adapter->arp_filter_size = 0; 1445 mwifiex_dbg(adapter, ERROR, 1446 "invalid ARP filter size\n"); 1447 return -1; 1448 } else { 1449 memcpy(adapter->arp_filter, gen_ie->ie_data, 1450 gen_ie->len); 1451 adapter->arp_filter_size = gen_ie->len; 1452 } 1453 break; 1454 default: 1455 mwifiex_dbg(adapter, ERROR, "invalid IE type\n"); 1456 return -1; 1457 } 1458 return 0; 1459} 1460 1461/* 1462 * Sends IOCTL request to set a generic IE. 1463 * 1464 * This function allocates the IOCTL request buffer, fills it 1465 * with requisite parameters and calls the IOCTL handler. 1466 */ 1467int 1468mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len) 1469{ 1470 struct mwifiex_ds_misc_gen_ie gen_ie; 1471 1472 if (ie_len > IEEE_MAX_IE_SIZE) 1473 return -EFAULT; 1474 1475 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE; 1476 gen_ie.len = ie_len; 1477 memcpy(gen_ie.ie_data, ie, ie_len); 1478 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET)) 1479 return -EFAULT; 1480 1481 return 0; 1482} 1483 1484/* This function get Host Sleep wake up reason. 1485 * 1486 */ 1487int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action, 1488 int cmd_type, 1489 struct mwifiex_ds_wakeup_reason *wakeup_reason) 1490{ 1491 int status = 0; 1492 1493 status = mwifiex_send_cmd(priv, HostCmd_CMD_HS_WAKEUP_REASON, 1494 HostCmd_ACT_GEN_GET, 0, wakeup_reason, 1495 cmd_type == MWIFIEX_SYNC_CMD); 1496 1497 return status; 1498} 1499 1500int mwifiex_get_chan_info(struct mwifiex_private *priv, 1501 struct mwifiex_channel_band *channel_band) 1502{ 1503 int status = 0; 1504 1505 status = mwifiex_send_cmd(priv, HostCmd_CMD_STA_CONFIGURE, 1506 HostCmd_ACT_GEN_GET, 0, channel_band, 1507 MWIFIEX_SYNC_CMD); 1508 1509 return status; 1510} 1511