1/* 2 * Marvell Wireless LAN device driver: station command response handling 3 * 4 * Copyright (C) 2011, 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 "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 28 29/* 30 * This function handles the command response error case. 31 * 32 * For scan response error, the function cancels all the pending 33 * scan commands and generates an event to inform the applications 34 * of the scan completion. 35 * 36 * For Power Save command failure, we do not retry enter PS 37 * command in case of Ad-hoc mode. 38 * 39 * For all other response errors, the current command buffer is freed 40 * and returned to the free command queue. 41 */ 42static void 43mwifiex_process_cmdresp_error(struct mwifiex_private *priv, 44 struct host_cmd_ds_command *resp) 45{ 46 struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; 47 struct mwifiex_adapter *adapter = priv->adapter; 48 struct host_cmd_ds_802_11_ps_mode_enh *pm; 49 unsigned long flags; 50 51 dev_err(adapter->dev, "CMD_RESP: cmd %#x error, result=%#x\n", 52 resp->command, resp->result); 53 54 if (adapter->curr_cmd->wait_q_enabled) 55 adapter->cmd_wait_q.status = -1; 56 57 switch (le16_to_cpu(resp->command)) { 58 case HostCmd_CMD_802_11_PS_MODE_ENH: 59 pm = &resp->params.psmode_enh; 60 dev_err(adapter->dev, 61 "PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n", 62 resp->result, le16_to_cpu(pm->action)); 63 /* We do not re-try enter-ps command in ad-hoc mode. */ 64 if (le16_to_cpu(pm->action) == EN_AUTO_PS && 65 (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) && 66 priv->bss_mode == NL80211_IFTYPE_ADHOC) 67 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; 68 69 break; 70 case HostCmd_CMD_802_11_SCAN: 71 /* Cancel all pending scan command */ 72 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); 73 list_for_each_entry_safe(cmd_node, tmp_node, 74 &adapter->scan_pending_q, list) { 75 list_del(&cmd_node->list); 76 spin_unlock_irqrestore(&adapter->scan_pending_q_lock, 77 flags); 78 mwifiex_insert_cmd_to_free_q(adapter, cmd_node); 79 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); 80 } 81 spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); 82 83 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); 84 adapter->scan_processing = false; 85 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); 86 if (priv->report_scan_result) 87 priv->report_scan_result = false; 88 if (priv->scan_pending_on_block) { 89 priv->scan_pending_on_block = false; 90 up(&priv->async_sem); 91 } 92 break; 93 94 case HostCmd_CMD_MAC_CONTROL: 95 break; 96 97 default: 98 break; 99 } 100 /* Handling errors here */ 101 mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); 102 103 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); 104 adapter->curr_cmd = NULL; 105 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); 106} 107 108/* 109 * This function handles the command response of get RSSI info. 110 * 111 * Handling includes changing the header fields into CPU format 112 * and saving the following parameters in driver - 113 * - Last data and beacon RSSI value 114 * - Average data and beacon RSSI value 115 * - Last data and beacon NF value 116 * - Average data and beacon NF value 117 * 118 * The parameters are send to the application as well, along with 119 * calculated SNR values. 120 */ 121static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv, 122 struct host_cmd_ds_command *resp, 123 struct mwifiex_ds_get_signal *signal) 124{ 125 struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp = 126 &resp->params.rssi_info_rsp; 127 128 priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last); 129 priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last); 130 131 priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg); 132 priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg); 133 134 priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last); 135 priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last); 136 137 priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg); 138 priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg); 139 140 /* Need to indicate IOCTL complete */ 141 if (signal) { 142 memset(signal, 0, sizeof(*signal)); 143 144 signal->selector = ALL_RSSI_INFO_MASK; 145 146 /* RSSI */ 147 signal->bcn_rssi_last = priv->bcn_rssi_last; 148 signal->bcn_rssi_avg = priv->bcn_rssi_avg; 149 signal->data_rssi_last = priv->data_rssi_last; 150 signal->data_rssi_avg = priv->data_rssi_avg; 151 152 /* SNR */ 153 signal->bcn_snr_last = 154 CAL_SNR(priv->bcn_rssi_last, priv->bcn_nf_last); 155 signal->bcn_snr_avg = 156 CAL_SNR(priv->bcn_rssi_avg, priv->bcn_nf_avg); 157 signal->data_snr_last = 158 CAL_SNR(priv->data_rssi_last, priv->data_nf_last); 159 signal->data_snr_avg = 160 CAL_SNR(priv->data_rssi_avg, priv->data_nf_avg); 161 162 /* NF */ 163 signal->bcn_nf_last = priv->bcn_nf_last; 164 signal->bcn_nf_avg = priv->bcn_nf_avg; 165 signal->data_nf_last = priv->data_nf_last; 166 signal->data_nf_avg = priv->data_nf_avg; 167 } 168 169 return 0; 170} 171 172/* 173 * This function handles the command response of set/get SNMP 174 * MIB parameters. 175 * 176 * Handling includes changing the header fields into CPU format 177 * and saving the parameter in driver. 178 * 179 * The following parameters are supported - 180 * - Fragmentation threshold 181 * - RTS threshold 182 * - Short retry limit 183 */ 184static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv, 185 struct host_cmd_ds_command *resp, 186 u32 *data_buf) 187{ 188 struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib; 189 u16 oid = le16_to_cpu(smib->oid); 190 u16 query_type = le16_to_cpu(smib->query_type); 191 u32 ul_temp; 192 193 dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x," 194 " query_type = %#x, buf size = %#x\n", 195 oid, query_type, le16_to_cpu(smib->buf_size)); 196 if (query_type == HostCmd_ACT_GEN_GET) { 197 ul_temp = le16_to_cpu(*((__le16 *) (smib->value))); 198 if (data_buf) 199 *data_buf = ul_temp; 200 switch (oid) { 201 case FRAG_THRESH_I: 202 dev_dbg(priv->adapter->dev, 203 "info: SNMP_RESP: FragThsd =%u\n", ul_temp); 204 break; 205 case RTS_THRESH_I: 206 dev_dbg(priv->adapter->dev, 207 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp); 208 break; 209 case SHORT_RETRY_LIM_I: 210 dev_dbg(priv->adapter->dev, 211 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp); 212 break; 213 case DTIM_PERIOD_I: 214 dev_dbg(priv->adapter->dev, 215 "info: SNMP_RESP: DTIM period=%u\n", ul_temp); 216 default: 217 break; 218 } 219 } 220 221 return 0; 222} 223 224/* 225 * This function handles the command response of get log request 226 * 227 * Handling includes changing the header fields into CPU format 228 * and sending the received parameters to application. 229 */ 230static int mwifiex_ret_get_log(struct mwifiex_private *priv, 231 struct host_cmd_ds_command *resp, 232 struct mwifiex_ds_get_stats *stats) 233{ 234 struct host_cmd_ds_802_11_get_log *get_log = 235 (struct host_cmd_ds_802_11_get_log *) &resp->params.get_log; 236 237 if (stats) { 238 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame); 239 stats->failed = le32_to_cpu(get_log->failed); 240 stats->retry = le32_to_cpu(get_log->retry); 241 stats->multi_retry = le32_to_cpu(get_log->multi_retry); 242 stats->frame_dup = le32_to_cpu(get_log->frame_dup); 243 stats->rts_success = le32_to_cpu(get_log->rts_success); 244 stats->rts_failure = le32_to_cpu(get_log->rts_failure); 245 stats->ack_failure = le32_to_cpu(get_log->ack_failure); 246 stats->rx_frag = le32_to_cpu(get_log->rx_frag); 247 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame); 248 stats->fcs_error = le32_to_cpu(get_log->fcs_error); 249 stats->tx_frame = le32_to_cpu(get_log->tx_frame); 250 stats->wep_icv_error[0] = 251 le32_to_cpu(get_log->wep_icv_err_cnt[0]); 252 stats->wep_icv_error[1] = 253 le32_to_cpu(get_log->wep_icv_err_cnt[1]); 254 stats->wep_icv_error[2] = 255 le32_to_cpu(get_log->wep_icv_err_cnt[2]); 256 stats->wep_icv_error[3] = 257 le32_to_cpu(get_log->wep_icv_err_cnt[3]); 258 } 259 260 return 0; 261} 262 263/* 264 * This function handles the command response of set/get Tx rate 265 * configurations. 266 * 267 * Handling includes changing the header fields into CPU format 268 * and saving the following parameters in driver - 269 * - DSSS rate bitmap 270 * - OFDM rate bitmap 271 * - HT MCS rate bitmaps 272 * 273 * Based on the new rate bitmaps, the function re-evaluates if 274 * auto data rate has been activated. If not, it sends another 275 * query to the firmware to get the current Tx data rate and updates 276 * the driver value. 277 */ 278static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv, 279 struct host_cmd_ds_command *resp, 280 struct mwifiex_rate_cfg *ds_rate) 281{ 282 struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg; 283 struct mwifiex_rate_scope *rate_scope; 284 struct mwifiex_ie_types_header *head; 285 u16 tlv, tlv_buf_len; 286 u8 *tlv_buf; 287 u32 i; 288 int ret = 0; 289 290 tlv_buf = (u8 *) ((u8 *) rate_cfg) + 291 sizeof(struct host_cmd_ds_tx_rate_cfg); 292 tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16)); 293 294 while (tlv_buf && tlv_buf_len > 0) { 295 tlv = (*tlv_buf); 296 tlv = tlv | (*(tlv_buf + 1) << 8); 297 298 switch (tlv) { 299 case TLV_TYPE_RATE_SCOPE: 300 rate_scope = (struct mwifiex_rate_scope *) tlv_buf; 301 priv->bitmap_rates[0] = 302 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap); 303 priv->bitmap_rates[1] = 304 le16_to_cpu(rate_scope->ofdm_rate_bitmap); 305 for (i = 0; 306 i < 307 sizeof(rate_scope->ht_mcs_rate_bitmap) / 308 sizeof(u16); i++) 309 priv->bitmap_rates[2 + i] = 310 le16_to_cpu(rate_scope-> 311 ht_mcs_rate_bitmap[i]); 312 break; 313 /* Add RATE_DROP tlv here */ 314 } 315 316 head = (struct mwifiex_ie_types_header *) tlv_buf; 317 tlv_buf += le16_to_cpu(head->len) + sizeof(*head); 318 tlv_buf_len -= le16_to_cpu(head->len); 319 } 320 321 priv->is_data_rate_auto = mwifiex_is_rate_auto(priv); 322 323 if (priv->is_data_rate_auto) 324 priv->data_rate = 0; 325 else 326 ret = mwifiex_send_cmd_async(priv, 327 HostCmd_CMD_802_11_TX_RATE_QUERY, 328 HostCmd_ACT_GEN_GET, 0, NULL); 329 330 if (!ds_rate) 331 return ret; 332 333 if (le16_to_cpu(rate_cfg->action) == HostCmd_ACT_GEN_GET) { 334 if (priv->is_data_rate_auto) { 335 ds_rate->is_rate_auto = 1; 336 return ret; 337 } 338 ds_rate->rate = mwifiex_get_rate_index(priv->bitmap_rates, 339 sizeof(priv->bitmap_rates)); 340 341 if (ds_rate->rate >= MWIFIEX_RATE_BITMAP_OFDM0 && 342 ds_rate->rate <= MWIFIEX_RATE_BITMAP_OFDM7) 343 ds_rate->rate -= (MWIFIEX_RATE_BITMAP_OFDM0 - 344 MWIFIEX_RATE_INDEX_OFDM0); 345 346 if (ds_rate->rate >= MWIFIEX_RATE_BITMAP_MCS0 && 347 ds_rate->rate <= MWIFIEX_RATE_BITMAP_MCS127) 348 ds_rate->rate -= (MWIFIEX_RATE_BITMAP_MCS0 - 349 MWIFIEX_RATE_INDEX_MCS0); 350 } 351 352 return ret; 353} 354 355/* 356 * This function handles the command response of get Tx power level. 357 * 358 * Handling includes saving the maximum and minimum Tx power levels 359 * in driver, as well as sending the values to user. 360 */ 361static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf) 362{ 363 int length, max_power = -1, min_power = -1; 364 struct mwifiex_types_power_group *pg_tlv_hdr; 365 struct mwifiex_power_group *pg; 366 367 if (!data_buf) 368 return -1; 369 370 pg_tlv_hdr = (struct mwifiex_types_power_group *) 371 ((u8 *) data_buf + sizeof(struct host_cmd_ds_txpwr_cfg)); 372 pg = (struct mwifiex_power_group *) 373 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group)); 374 length = pg_tlv_hdr->length; 375 if (length > 0) { 376 max_power = pg->power_max; 377 min_power = pg->power_min; 378 length -= sizeof(struct mwifiex_power_group); 379 } 380 while (length) { 381 pg++; 382 if (max_power < pg->power_max) 383 max_power = pg->power_max; 384 385 if (min_power > pg->power_min) 386 min_power = pg->power_min; 387 388 length -= sizeof(struct mwifiex_power_group); 389 } 390 if (pg_tlv_hdr->length > 0) { 391 priv->min_tx_power_level = (u8) min_power; 392 priv->max_tx_power_level = (u8) max_power; 393 } 394 395 return 0; 396} 397 398/* 399 * This function handles the command response of set/get Tx power 400 * configurations. 401 * 402 * Handling includes changing the header fields into CPU format 403 * and saving the current Tx power level in driver. 404 */ 405static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv, 406 struct host_cmd_ds_command *resp) 407{ 408 struct mwifiex_adapter *adapter = priv->adapter; 409 struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg; 410 struct mwifiex_types_power_group *pg_tlv_hdr; 411 struct mwifiex_power_group *pg; 412 u16 action = le16_to_cpu(txp_cfg->action); 413 414 switch (action) { 415 case HostCmd_ACT_GEN_GET: 416 pg_tlv_hdr = (struct mwifiex_types_power_group *) 417 ((u8 *) txp_cfg + 418 sizeof(struct host_cmd_ds_txpwr_cfg)); 419 420 pg = (struct mwifiex_power_group *) 421 ((u8 *) pg_tlv_hdr + 422 sizeof(struct mwifiex_types_power_group)); 423 424 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) 425 mwifiex_get_power_level(priv, txp_cfg); 426 427 priv->tx_power_level = (u16) pg->power_min; 428 break; 429 430 case HostCmd_ACT_GEN_SET: 431 if (!le32_to_cpu(txp_cfg->mode)) 432 break; 433 434 pg_tlv_hdr = (struct mwifiex_types_power_group *) 435 ((u8 *) txp_cfg + 436 sizeof(struct host_cmd_ds_txpwr_cfg)); 437 438 pg = (struct mwifiex_power_group *) 439 ((u8 *) pg_tlv_hdr + 440 sizeof(struct mwifiex_types_power_group)); 441 442 if (pg->power_max == pg->power_min) 443 priv->tx_power_level = (u16) pg->power_min; 444 break; 445 default: 446 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n", 447 action); 448 return 0; 449 } 450 dev_dbg(adapter->dev, 451 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n", 452 priv->tx_power_level, priv->max_tx_power_level, 453 priv->min_tx_power_level); 454 455 return 0; 456} 457 458/* 459 * This function handles the command response of set/get MAC address. 460 * 461 * Handling includes saving the MAC address in driver. 462 */ 463static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv, 464 struct host_cmd_ds_command *resp) 465{ 466 struct host_cmd_ds_802_11_mac_address *cmd_mac_addr = 467 &resp->params.mac_addr; 468 469 memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN); 470 471 dev_dbg(priv->adapter->dev, 472 "info: set mac address: %pM\n", priv->curr_addr); 473 474 return 0; 475} 476 477/* 478 * This function handles the command response of set/get MAC multicast 479 * address. 480 */ 481static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv, 482 struct host_cmd_ds_command *resp) 483{ 484 return 0; 485} 486 487/* 488 * This function handles the command response of get Tx rate query. 489 * 490 * Handling includes changing the header fields into CPU format 491 * and saving the Tx rate and HT information parameters in driver. 492 * 493 * Both rate configuration and current data rate can be retrieved 494 * with this request. 495 */ 496static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv, 497 struct host_cmd_ds_command *resp) 498{ 499 priv->tx_rate = resp->params.tx_rate.tx_rate; 500 priv->tx_htinfo = resp->params.tx_rate.ht_info; 501 if (!priv->is_data_rate_auto) 502 priv->data_rate = 503 mwifiex_index_to_data_rate(priv, priv->tx_rate, 504 priv->tx_htinfo); 505 506 return 0; 507} 508 509/* 510 * This function handles the command response of a deauthenticate 511 * command. 512 * 513 * If the deauthenticated MAC matches the current BSS MAC, the connection 514 * state is reset. 515 */ 516static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv, 517 struct host_cmd_ds_command *resp) 518{ 519 struct mwifiex_adapter *adapter = priv->adapter; 520 521 adapter->dbg.num_cmd_deauth++; 522 if (!memcmp(resp->params.deauth.mac_addr, 523 &priv->curr_bss_params.bss_descriptor.mac_address, 524 sizeof(resp->params.deauth.mac_addr))) 525 mwifiex_reset_connect_state(priv); 526 527 return 0; 528} 529 530/* 531 * This function handles the command response of ad-hoc stop. 532 * 533 * The function resets the connection state in driver. 534 */ 535static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv, 536 struct host_cmd_ds_command *resp) 537{ 538 mwifiex_reset_connect_state(priv); 539 return 0; 540} 541 542/* 543 * This function handles the command response of set/get key material. 544 * 545 * Handling includes updating the driver parameters to reflect the 546 * changes. 547 */ 548static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv, 549 struct host_cmd_ds_command *resp) 550{ 551 struct host_cmd_ds_802_11_key_material *key = 552 &resp->params.key_material; 553 554 if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) { 555 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) { 556 dev_dbg(priv->adapter->dev, "info: key: GTK is set\n"); 557 priv->wpa_is_gtk_set = true; 558 priv->scan_block = false; 559 } 560 } 561 562 memset(priv->aes_key.key_param_set.key, 0, 563 sizeof(key->key_param_set.key)); 564 priv->aes_key.key_param_set.key_len = key->key_param_set.key_len; 565 memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, 566 le16_to_cpu(priv->aes_key.key_param_set.key_len)); 567 568 return 0; 569} 570 571/* 572 * This function handles the command response of get 11d domain information. 573 */ 574static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv, 575 struct host_cmd_ds_command *resp) 576{ 577 struct host_cmd_ds_802_11d_domain_info_rsp *domain_info = 578 &resp->params.domain_info_resp; 579 struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain; 580 u16 action = le16_to_cpu(domain_info->action); 581 u8 no_of_triplet; 582 583 no_of_triplet = (u8) ((le16_to_cpu(domain->header.len) 584 - IEEE80211_COUNTRY_STRING_LEN) 585 / sizeof(struct ieee80211_country_ie_triplet)); 586 587 dev_dbg(priv->adapter->dev, 588 "info: 11D Domain Info Resp: no_of_triplet=%d\n", 589 no_of_triplet); 590 591 if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) { 592 dev_warn(priv->adapter->dev, 593 "11D: invalid number of triplets %d returned\n", 594 no_of_triplet); 595 return -1; 596 } 597 598 switch (action) { 599 case HostCmd_ACT_GEN_SET: /* Proc Set Action */ 600 break; 601 case HostCmd_ACT_GEN_GET: 602 break; 603 default: 604 dev_err(priv->adapter->dev, 605 "11D: invalid action:%d\n", domain_info->action); 606 return -1; 607 } 608 609 return 0; 610} 611 612/* 613 * This function handles the command response of get RF channel. 614 * 615 * Handling includes changing the header fields into CPU format 616 * and saving the new channel in driver. 617 */ 618static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv, 619 struct host_cmd_ds_command *resp, 620 u16 *data_buf) 621{ 622 struct host_cmd_ds_802_11_rf_channel *rf_channel = 623 &resp->params.rf_channel; 624 u16 new_channel = le16_to_cpu(rf_channel->current_channel); 625 626 if (priv->curr_bss_params.bss_descriptor.channel != new_channel) { 627 dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n", 628 priv->curr_bss_params.bss_descriptor.channel, 629 new_channel); 630 /* Update the channel again */ 631 priv->curr_bss_params.bss_descriptor.channel = new_channel; 632 } 633 634 if (data_buf) 635 *data_buf = new_channel; 636 637 return 0; 638} 639 640/* 641 * This function handles the command response of get extended version. 642 * 643 * Handling includes forming the extended version string and sending it 644 * to application. 645 */ 646static int mwifiex_ret_ver_ext(struct mwifiex_private *priv, 647 struct host_cmd_ds_command *resp, 648 struct host_cmd_ds_version_ext *version_ext) 649{ 650 struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext; 651 652 if (version_ext) { 653 version_ext->version_str_sel = ver_ext->version_str_sel; 654 memcpy(version_ext->version_str, ver_ext->version_str, 655 sizeof(char) * 128); 656 memcpy(priv->version_str, ver_ext->version_str, 128); 657 } 658 return 0; 659} 660 661/* 662 * This function handles the command response of register access. 663 * 664 * The register value and offset are returned to the user. For EEPROM 665 * access, the byte count is also returned. 666 */ 667static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp, 668 void *data_buf) 669{ 670 struct mwifiex_ds_reg_rw *reg_rw; 671 struct mwifiex_ds_read_eeprom *eeprom; 672 union reg { 673 struct host_cmd_ds_mac_reg_access *mac; 674 struct host_cmd_ds_bbp_reg_access *bbp; 675 struct host_cmd_ds_rf_reg_access *rf; 676 struct host_cmd_ds_pmic_reg_access *pmic; 677 struct host_cmd_ds_802_11_eeprom_access *eeprom; 678 } r; 679 680 if (!data_buf) 681 return 0; 682 683 reg_rw = data_buf; 684 eeprom = data_buf; 685 switch (type) { 686 case HostCmd_CMD_MAC_REG_ACCESS: 687 r.mac = (struct host_cmd_ds_mac_reg_access *) 688 &resp->params.mac_reg; 689 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset)); 690 reg_rw->value = r.mac->value; 691 break; 692 case HostCmd_CMD_BBP_REG_ACCESS: 693 r.bbp = (struct host_cmd_ds_bbp_reg_access *) 694 &resp->params.bbp_reg; 695 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset)); 696 reg_rw->value = cpu_to_le32((u32) r.bbp->value); 697 break; 698 699 case HostCmd_CMD_RF_REG_ACCESS: 700 r.rf = (struct host_cmd_ds_rf_reg_access *) 701 &resp->params.rf_reg; 702 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset)); 703 reg_rw->value = cpu_to_le32((u32) r.bbp->value); 704 break; 705 case HostCmd_CMD_PMIC_REG_ACCESS: 706 r.pmic = (struct host_cmd_ds_pmic_reg_access *) 707 &resp->params.pmic_reg; 708 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset)); 709 reg_rw->value = cpu_to_le32((u32) r.pmic->value); 710 break; 711 case HostCmd_CMD_CAU_REG_ACCESS: 712 r.rf = (struct host_cmd_ds_rf_reg_access *) 713 &resp->params.rf_reg; 714 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset)); 715 reg_rw->value = cpu_to_le32((u32) r.rf->value); 716 break; 717 case HostCmd_CMD_802_11_EEPROM_ACCESS: 718 r.eeprom = (struct host_cmd_ds_802_11_eeprom_access *) 719 &resp->params.eeprom; 720 pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count); 721 if (le16_to_cpu(eeprom->byte_count) < 722 le16_to_cpu(r.eeprom->byte_count)) { 723 eeprom->byte_count = cpu_to_le16(0); 724 pr_debug("info: EEPROM read length is too big\n"); 725 return -1; 726 } 727 eeprom->offset = r.eeprom->offset; 728 eeprom->byte_count = r.eeprom->byte_count; 729 if (le16_to_cpu(eeprom->byte_count) > 0) 730 memcpy(&eeprom->value, &r.eeprom->value, 731 le16_to_cpu(r.eeprom->byte_count)); 732 733 break; 734 default: 735 return -1; 736 } 737 return 0; 738} 739 740/* 741 * This function handles the command response of get IBSS coalescing status. 742 * 743 * If the received BSSID is different than the current one, the current BSSID, 744 * beacon interval, ATIM window and ERP information are updated, along with 745 * changing the ad-hoc state accordingly. 746 */ 747static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv, 748 struct host_cmd_ds_command *resp) 749{ 750 struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp = 751 &(resp->params.ibss_coalescing); 752 u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 }; 753 754 if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET) 755 return 0; 756 757 dev_dbg(priv->adapter->dev, 758 "info: new BSSID %pM\n", ibss_coal_resp->bssid); 759 760 /* If rsp has NULL BSSID, Just return..... No Action */ 761 if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) { 762 dev_warn(priv->adapter->dev, "new BSSID is NULL\n"); 763 return 0; 764 } 765 766 /* If BSSID is diff, modify current BSS parameters */ 767 if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address, 768 ibss_coal_resp->bssid, ETH_ALEN)) { 769 /* BSSID */ 770 memcpy(priv->curr_bss_params.bss_descriptor.mac_address, 771 ibss_coal_resp->bssid, ETH_ALEN); 772 773 /* Beacon Interval */ 774 priv->curr_bss_params.bss_descriptor.beacon_period 775 = le16_to_cpu(ibss_coal_resp->beacon_interval); 776 777 /* ERP Information */ 778 priv->curr_bss_params.bss_descriptor.erp_flags = 779 (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect); 780 781 priv->adhoc_state = ADHOC_COALESCED; 782 } 783 784 return 0; 785} 786 787/* 788 * This function handles the command responses. 789 * 790 * This is a generic function, which calls command specific 791 * response handlers based on the command ID. 792 */ 793int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, 794 struct host_cmd_ds_command *resp) 795{ 796 int ret = 0; 797 struct mwifiex_adapter *adapter = priv->adapter; 798 void *data_buf = adapter->curr_cmd->data_buf; 799 800 /* If the command is not successful, cleanup and return failure */ 801 if (resp->result != HostCmd_RESULT_OK) { 802 mwifiex_process_cmdresp_error(priv, resp); 803 return -1; 804 } 805 /* Command successful, handle response */ 806 switch (cmdresp_no) { 807 case HostCmd_CMD_GET_HW_SPEC: 808 ret = mwifiex_ret_get_hw_spec(priv, resp); 809 break; 810 case HostCmd_CMD_MAC_CONTROL: 811 break; 812 case HostCmd_CMD_802_11_MAC_ADDRESS: 813 ret = mwifiex_ret_802_11_mac_address(priv, resp); 814 break; 815 case HostCmd_CMD_MAC_MULTICAST_ADR: 816 ret = mwifiex_ret_mac_multicast_adr(priv, resp); 817 break; 818 case HostCmd_CMD_TX_RATE_CFG: 819 ret = mwifiex_ret_tx_rate_cfg(priv, resp, data_buf); 820 break; 821 case HostCmd_CMD_802_11_SCAN: 822 ret = mwifiex_ret_802_11_scan(priv, resp); 823 adapter->curr_cmd->wait_q_enabled = false; 824 break; 825 case HostCmd_CMD_802_11_BG_SCAN_QUERY: 826 ret = mwifiex_ret_802_11_scan(priv, resp); 827 dev_dbg(adapter->dev, 828 "info: CMD_RESP: BG_SCAN result is ready!\n"); 829 break; 830 case HostCmd_CMD_TXPWR_CFG: 831 ret = mwifiex_ret_tx_power_cfg(priv, resp); 832 break; 833 case HostCmd_CMD_802_11_PS_MODE_ENH: 834 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf); 835 break; 836 case HostCmd_CMD_802_11_HS_CFG_ENH: 837 ret = mwifiex_ret_802_11_hs_cfg(priv, resp); 838 break; 839 case HostCmd_CMD_802_11_ASSOCIATE: 840 ret = mwifiex_ret_802_11_associate(priv, resp); 841 break; 842 case HostCmd_CMD_802_11_DEAUTHENTICATE: 843 ret = mwifiex_ret_802_11_deauthenticate(priv, resp); 844 break; 845 case HostCmd_CMD_802_11_AD_HOC_START: 846 case HostCmd_CMD_802_11_AD_HOC_JOIN: 847 ret = mwifiex_ret_802_11_ad_hoc(priv, resp); 848 break; 849 case HostCmd_CMD_802_11_AD_HOC_STOP: 850 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp); 851 break; 852 case HostCmd_CMD_802_11_GET_LOG: 853 ret = mwifiex_ret_get_log(priv, resp, data_buf); 854 break; 855 case HostCmd_CMD_RSSI_INFO: 856 ret = mwifiex_ret_802_11_rssi_info(priv, resp, data_buf); 857 break; 858 case HostCmd_CMD_802_11_SNMP_MIB: 859 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf); 860 break; 861 case HostCmd_CMD_802_11_TX_RATE_QUERY: 862 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp); 863 break; 864 case HostCmd_CMD_802_11_RF_CHANNEL: 865 ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf); 866 break; 867 case HostCmd_CMD_VERSION_EXT: 868 ret = mwifiex_ret_ver_ext(priv, resp, data_buf); 869 break; 870 case HostCmd_CMD_FUNC_INIT: 871 case HostCmd_CMD_FUNC_SHUTDOWN: 872 break; 873 case HostCmd_CMD_802_11_KEY_MATERIAL: 874 ret = mwifiex_ret_802_11_key_material(priv, resp); 875 break; 876 case HostCmd_CMD_802_11D_DOMAIN_INFO: 877 ret = mwifiex_ret_802_11d_domain_info(priv, resp); 878 break; 879 case HostCmd_CMD_11N_ADDBA_REQ: 880 ret = mwifiex_ret_11n_addba_req(priv, resp); 881 break; 882 case HostCmd_CMD_11N_DELBA: 883 ret = mwifiex_ret_11n_delba(priv, resp); 884 break; 885 case HostCmd_CMD_11N_ADDBA_RSP: 886 ret = mwifiex_ret_11n_addba_resp(priv, resp); 887 break; 888 case HostCmd_CMD_RECONFIGURE_TX_BUFF: 889 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params. 890 tx_buf.buff_size); 891 adapter->tx_buf_size = (adapter->tx_buf_size 892 / MWIFIEX_SDIO_BLOCK_SIZE) 893 * MWIFIEX_SDIO_BLOCK_SIZE; 894 adapter->curr_tx_buf_size = adapter->tx_buf_size; 895 dev_dbg(adapter->dev, 896 "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n", 897 adapter->max_tx_buf_size, adapter->tx_buf_size); 898 899 if (adapter->if_ops.update_mp_end_port) 900 adapter->if_ops.update_mp_end_port(adapter, 901 le16_to_cpu(resp->params.tx_buf.mp_end_port)); 902 break; 903 case HostCmd_CMD_AMSDU_AGGR_CTRL: 904 ret = mwifiex_ret_amsdu_aggr_ctrl(resp, data_buf); 905 break; 906 case HostCmd_CMD_WMM_GET_STATUS: 907 ret = mwifiex_ret_wmm_get_status(priv, resp); 908 break; 909 case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS: 910 ret = mwifiex_ret_ibss_coalescing_status(priv, resp); 911 break; 912 case HostCmd_CMD_MAC_REG_ACCESS: 913 case HostCmd_CMD_BBP_REG_ACCESS: 914 case HostCmd_CMD_RF_REG_ACCESS: 915 case HostCmd_CMD_PMIC_REG_ACCESS: 916 case HostCmd_CMD_CAU_REG_ACCESS: 917 case HostCmd_CMD_802_11_EEPROM_ACCESS: 918 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf); 919 break; 920 case HostCmd_CMD_SET_BSS_MODE: 921 break; 922 case HostCmd_CMD_11N_CFG: 923 ret = mwifiex_ret_11n_cfg(resp, data_buf); 924 break; 925 case HostCmd_CMD_PCIE_DESC_DETAILS: 926 break; 927 default: 928 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n", 929 resp->command); 930 break; 931 } 932 933 return ret; 934} 935