1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 24 * USA 25 * 26 * The full GNU General Public License is included in this distribution 27 * in the file called COPYING. 28 * 29 * Contact Information: 30 * Intel Linux Wireless <linuxwifi@intel.com> 31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 32 * 33 * BSD LICENSE 34 * 35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 38 * All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 44 * * Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * * Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in 48 * the documentation and/or other materials provided with the 49 * distribution. 50 * * Neither the name Intel Corporation nor the names of its 51 * contributors may be used to endorse or promote products derived 52 * from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 * 66 *****************************************************************************/ 67 #include <linux/completion.h> 68 #include <linux/dma-mapping.h> 69 #include <linux/firmware.h> 70 #include <linux/module.h> 71 #include <linux/vmalloc.h> 72 73 #include "iwl-drv.h" 74 #include "iwl-csr.h" 75 #include "iwl-debug.h" 76 #include "iwl-trans.h" 77 #include "iwl-op-mode.h" 78 #include "iwl-agn-hw.h" 79 #include "fw/img.h" 80 #include "iwl-config.h" 81 #include "iwl-modparams.h" 82 83 /****************************************************************************** 84 * 85 * module boiler plate 86 * 87 ******************************************************************************/ 88 89 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 90 MODULE_DESCRIPTION(DRV_DESCRIPTION); 91 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 92 MODULE_LICENSE("GPL"); 93 94 #ifdef CONFIG_IWLWIFI_DEBUGFS 95 static struct dentry *iwl_dbgfs_root; 96 #endif 97 98 /** 99 * struct iwl_drv - drv common data 100 * @list: list of drv structures using this opmode 101 * @fw: the iwl_fw structure 102 * @op_mode: the running op_mode 103 * @trans: transport layer 104 * @dev: for debug prints only 105 * @fw_index: firmware revision to try loading 106 * @firmware_name: composite filename of ucode file to load 107 * @request_firmware_complete: the firmware has been obtained from user space 108 */ 109 struct iwl_drv { 110 struct list_head list; 111 struct iwl_fw fw; 112 113 struct iwl_op_mode *op_mode; 114 struct iwl_trans *trans; 115 struct device *dev; 116 117 int fw_index; /* firmware we're trying to load */ 118 char firmware_name[64]; /* name of firmware file to load */ 119 120 struct completion request_firmware_complete; 121 122 #ifdef CONFIG_IWLWIFI_DEBUGFS 123 struct dentry *dbgfs_drv; 124 struct dentry *dbgfs_trans; 125 struct dentry *dbgfs_op_mode; 126 #endif 127 }; 128 129 enum { 130 DVM_OP_MODE, 131 MVM_OP_MODE, 132 }; 133 134 /* Protects the table contents, i.e. the ops pointer & drv list */ 135 static struct mutex iwlwifi_opmode_table_mtx; 136 static struct iwlwifi_opmode_table { 137 const char *name; /* name: iwldvm, iwlmvm, etc */ 138 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 139 struct list_head drv; /* list of devices using this op_mode */ 140 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 141 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 142 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 143 }; 144 145 #define IWL_DEFAULT_SCAN_CHANNELS 40 146 147 /* 148 * struct fw_sec: Just for the image parsing process. 149 * For the fw storage we are using struct fw_desc. 150 */ 151 struct fw_sec { 152 const void *data; /* the sec data */ 153 size_t size; /* section size */ 154 u32 offset; /* offset of writing in the device */ 155 }; 156 157 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 158 { 159 vfree(desc->data); 160 desc->data = NULL; 161 desc->len = 0; 162 } 163 164 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 165 { 166 int i; 167 for (i = 0; i < img->num_sec; i++) 168 iwl_free_fw_desc(drv, &img->sec[i]); 169 kfree(img->sec); 170 } 171 172 static void iwl_dealloc_ucode(struct iwl_drv *drv) 173 { 174 int i; 175 176 kfree(drv->fw.dbg_dest_tlv); 177 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) 178 kfree(drv->fw.dbg_conf_tlv[i]); 179 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) 180 kfree(drv->fw.dbg_trigger_tlv[i]); 181 kfree(drv->fw.dbg_mem_tlv); 182 183 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 184 iwl_free_fw_img(drv, drv->fw.img + i); 185 } 186 187 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 188 struct fw_sec *sec) 189 { 190 void *data; 191 192 desc->data = NULL; 193 194 if (!sec || !sec->size) 195 return -EINVAL; 196 197 data = vmalloc(sec->size); 198 if (!data) 199 return -ENOMEM; 200 201 desc->len = sec->size; 202 desc->offset = sec->offset; 203 memcpy(data, sec->data, desc->len); 204 desc->data = data; 205 206 return 0; 207 } 208 209 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 210 void *context); 211 212 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 213 { 214 const struct iwl_cfg *cfg = drv->trans->cfg; 215 char tag[8]; 216 const char *fw_pre_name; 217 218 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 && 219 (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP || 220 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP)) 221 fw_pre_name = cfg->fw_name_pre_b_or_c_step; 222 else if (drv->trans->cfg->integrated && 223 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP && 224 cfg->fw_name_pre_rf_next_step) 225 fw_pre_name = cfg->fw_name_pre_rf_next_step; 226 else 227 fw_pre_name = cfg->fw_name_pre; 228 229 if (first) { 230 drv->fw_index = cfg->ucode_api_max; 231 sprintf(tag, "%d", drv->fw_index); 232 } else { 233 drv->fw_index--; 234 sprintf(tag, "%d", drv->fw_index); 235 } 236 237 if (drv->fw_index < cfg->ucode_api_min) { 238 IWL_ERR(drv, "no suitable firmware found!\n"); 239 240 if (cfg->ucode_api_min == cfg->ucode_api_max) { 241 IWL_ERR(drv, "%s%d is required\n", fw_pre_name, 242 cfg->ucode_api_max); 243 } else { 244 IWL_ERR(drv, "minimum version required: %s%d\n", 245 fw_pre_name, 246 cfg->ucode_api_min); 247 IWL_ERR(drv, "maximum version supported: %s%d\n", 248 fw_pre_name, 249 cfg->ucode_api_max); 250 } 251 252 IWL_ERR(drv, 253 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 254 return -ENOENT; 255 } 256 257 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 258 fw_pre_name, tag); 259 260 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 261 drv->firmware_name); 262 263 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 264 drv->trans->dev, 265 GFP_KERNEL, drv, iwl_req_fw_callback); 266 } 267 268 struct fw_img_parsing { 269 struct fw_sec *sec; 270 int sec_counter; 271 }; 272 273 /* 274 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 275 */ 276 struct fw_sec_parsing { 277 __le32 offset; 278 const u8 data[]; 279 } __packed; 280 281 /** 282 * struct iwl_tlv_calib_data - parse the default calib data from TLV 283 * 284 * @ucode_type: the uCode to which the following default calib relates. 285 * @calib: default calibrations. 286 */ 287 struct iwl_tlv_calib_data { 288 __le32 ucode_type; 289 struct iwl_tlv_calib_ctrl calib; 290 } __packed; 291 292 struct iwl_firmware_pieces { 293 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 294 295 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 296 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 297 298 /* FW debug data parsed for driver usage */ 299 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 300 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 301 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 302 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 303 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 304 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 305 size_t n_dbg_mem_tlv; 306 }; 307 308 /* 309 * These functions are just to extract uCode section data from the pieces 310 * structure. 311 */ 312 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 313 enum iwl_ucode_type type, 314 int sec) 315 { 316 return &pieces->img[type].sec[sec]; 317 } 318 319 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 320 enum iwl_ucode_type type, 321 int sec) 322 { 323 struct fw_img_parsing *img = &pieces->img[type]; 324 struct fw_sec *sec_memory; 325 int size = sec + 1; 326 size_t alloc_size = sizeof(*img->sec) * size; 327 328 if (img->sec && img->sec_counter >= size) 329 return; 330 331 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 332 if (!sec_memory) 333 return; 334 335 img->sec = sec_memory; 336 img->sec_counter = size; 337 } 338 339 static void set_sec_data(struct iwl_firmware_pieces *pieces, 340 enum iwl_ucode_type type, 341 int sec, 342 const void *data) 343 { 344 alloc_sec_data(pieces, type, sec); 345 346 pieces->img[type].sec[sec].data = data; 347 } 348 349 static void set_sec_size(struct iwl_firmware_pieces *pieces, 350 enum iwl_ucode_type type, 351 int sec, 352 size_t size) 353 { 354 alloc_sec_data(pieces, type, sec); 355 356 pieces->img[type].sec[sec].size = size; 357 } 358 359 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 360 enum iwl_ucode_type type, 361 int sec) 362 { 363 return pieces->img[type].sec[sec].size; 364 } 365 366 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 367 enum iwl_ucode_type type, 368 int sec, 369 u32 offset) 370 { 371 alloc_sec_data(pieces, type, sec); 372 373 pieces->img[type].sec[sec].offset = offset; 374 } 375 376 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 377 { 378 int i, j; 379 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 380 struct iwl_fw_cipher_scheme *fwcs; 381 382 if (len < sizeof(*l) || 383 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 384 return -EINVAL; 385 386 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 387 fwcs = &l->cs[j]; 388 389 /* we skip schemes with zero cipher suite selector */ 390 if (!fwcs->cipher) 391 continue; 392 393 fw->cs[j++] = *fwcs; 394 } 395 396 return 0; 397 } 398 399 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data, 400 const u32 len) 401 { 402 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data; 403 struct iwl_gscan_capabilities *capa = &fw->gscan_capa; 404 405 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size); 406 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets); 407 capa->max_ap_cache_per_scan = 408 le32_to_cpu(fw_capa->max_ap_cache_per_scan); 409 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size); 410 capa->max_scan_reporting_threshold = 411 le32_to_cpu(fw_capa->max_scan_reporting_threshold); 412 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps); 413 capa->max_significant_change_aps = 414 le32_to_cpu(fw_capa->max_significant_change_aps); 415 capa->max_bssid_history_entries = 416 le32_to_cpu(fw_capa->max_bssid_history_entries); 417 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids); 418 capa->max_number_epno_networks = 419 le32_to_cpu(fw_capa->max_number_epno_networks); 420 capa->max_number_epno_networks_by_ssid = 421 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid); 422 capa->max_number_of_white_listed_ssid = 423 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid); 424 capa->max_number_of_black_listed_ssid = 425 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid); 426 } 427 428 /* 429 * Gets uCode section from tlv. 430 */ 431 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 432 const void *data, enum iwl_ucode_type type, 433 int size) 434 { 435 struct fw_img_parsing *img; 436 struct fw_sec *sec; 437 struct fw_sec_parsing *sec_parse; 438 size_t alloc_size; 439 440 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 441 return -1; 442 443 sec_parse = (struct fw_sec_parsing *)data; 444 445 img = &pieces->img[type]; 446 447 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 448 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 449 if (!sec) 450 return -ENOMEM; 451 img->sec = sec; 452 453 sec = &img->sec[img->sec_counter]; 454 455 sec->offset = le32_to_cpu(sec_parse->offset); 456 sec->data = sec_parse->data; 457 sec->size = size - sizeof(sec_parse->offset); 458 459 ++img->sec_counter; 460 461 return 0; 462 } 463 464 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 465 { 466 struct iwl_tlv_calib_data *def_calib = 467 (struct iwl_tlv_calib_data *)data; 468 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 469 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 470 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 471 ucode_type); 472 return -EINVAL; 473 } 474 drv->fw.default_calib[ucode_type].flow_trigger = 475 def_calib->calib.flow_trigger; 476 drv->fw.default_calib[ucode_type].event_trigger = 477 def_calib->calib.event_trigger; 478 479 return 0; 480 } 481 482 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 483 struct iwl_ucode_capabilities *capa) 484 { 485 const struct iwl_ucode_api *ucode_api = (void *)data; 486 u32 api_index = le32_to_cpu(ucode_api->api_index); 487 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 488 int i; 489 490 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 491 IWL_ERR(drv, 492 "api flags index %d larger than supported by driver\n", 493 api_index); 494 /* don't return an error so we can load FW that has more bits */ 495 return 0; 496 } 497 498 for (i = 0; i < 32; i++) { 499 if (api_flags & BIT(i)) 500 __set_bit(i + 32 * api_index, capa->_api); 501 } 502 503 return 0; 504 } 505 506 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 507 struct iwl_ucode_capabilities *capa) 508 { 509 const struct iwl_ucode_capa *ucode_capa = (void *)data; 510 u32 api_index = le32_to_cpu(ucode_capa->api_index); 511 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 512 int i; 513 514 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 515 IWL_ERR(drv, 516 "capa flags index %d larger than supported by driver\n", 517 api_index); 518 /* don't return an error so we can load FW that has more bits */ 519 return 0; 520 } 521 522 for (i = 0; i < 32; i++) { 523 if (api_flags & BIT(i)) 524 __set_bit(i + 32 * api_index, capa->_capa); 525 } 526 527 return 0; 528 } 529 530 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 531 const struct firmware *ucode_raw, 532 struct iwl_firmware_pieces *pieces) 533 { 534 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 535 u32 api_ver, hdr_size, build; 536 char buildstr[25]; 537 const u8 *src; 538 539 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 540 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 541 542 switch (api_ver) { 543 default: 544 hdr_size = 28; 545 if (ucode_raw->size < hdr_size) { 546 IWL_ERR(drv, "File size too small!\n"); 547 return -EINVAL; 548 } 549 build = le32_to_cpu(ucode->u.v2.build); 550 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 551 le32_to_cpu(ucode->u.v2.inst_size)); 552 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 553 le32_to_cpu(ucode->u.v2.data_size)); 554 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 555 le32_to_cpu(ucode->u.v2.init_size)); 556 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 557 le32_to_cpu(ucode->u.v2.init_data_size)); 558 src = ucode->u.v2.data; 559 break; 560 case 0: 561 case 1: 562 case 2: 563 hdr_size = 24; 564 if (ucode_raw->size < hdr_size) { 565 IWL_ERR(drv, "File size too small!\n"); 566 return -EINVAL; 567 } 568 build = 0; 569 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 570 le32_to_cpu(ucode->u.v1.inst_size)); 571 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 572 le32_to_cpu(ucode->u.v1.data_size)); 573 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 574 le32_to_cpu(ucode->u.v1.init_size)); 575 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 576 le32_to_cpu(ucode->u.v1.init_data_size)); 577 src = ucode->u.v1.data; 578 break; 579 } 580 581 if (build) 582 sprintf(buildstr, " build %u", build); 583 else 584 buildstr[0] = '\0'; 585 586 snprintf(drv->fw.fw_version, 587 sizeof(drv->fw.fw_version), 588 "%u.%u.%u.%u%s", 589 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 590 IWL_UCODE_MINOR(drv->fw.ucode_ver), 591 IWL_UCODE_API(drv->fw.ucode_ver), 592 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 593 buildstr); 594 595 /* Verify size of file vs. image size info in file's header */ 596 597 if (ucode_raw->size != hdr_size + 598 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 599 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 600 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 601 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 602 603 IWL_ERR(drv, 604 "uCode file size %d does not match expected size\n", 605 (int)ucode_raw->size); 606 return -EINVAL; 607 } 608 609 610 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 611 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 612 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 613 IWLAGN_RTC_INST_LOWER_BOUND); 614 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 615 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 616 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 617 IWLAGN_RTC_DATA_LOWER_BOUND); 618 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 619 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 620 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 621 IWLAGN_RTC_INST_LOWER_BOUND); 622 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 623 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 624 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 625 IWLAGN_RTC_DATA_LOWER_BOUND); 626 return 0; 627 } 628 629 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 630 const struct firmware *ucode_raw, 631 struct iwl_firmware_pieces *pieces, 632 struct iwl_ucode_capabilities *capa, 633 bool *usniffer_images) 634 { 635 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 636 struct iwl_ucode_tlv *tlv; 637 size_t len = ucode_raw->size; 638 const u8 *data; 639 u32 tlv_len; 640 u32 usniffer_img; 641 enum iwl_ucode_tlv_type tlv_type; 642 const u8 *tlv_data; 643 char buildstr[25]; 644 u32 build, paging_mem_size; 645 int num_of_cpus; 646 bool usniffer_req = false; 647 bool gscan_capa = false; 648 649 if (len < sizeof(*ucode)) { 650 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 651 return -EINVAL; 652 } 653 654 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 655 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 656 le32_to_cpu(ucode->magic)); 657 return -EINVAL; 658 } 659 660 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 661 memcpy(drv->fw.human_readable, ucode->human_readable, 662 sizeof(drv->fw.human_readable)); 663 build = le32_to_cpu(ucode->build); 664 665 if (build) 666 sprintf(buildstr, " build %u", build); 667 else 668 buildstr[0] = '\0'; 669 670 snprintf(drv->fw.fw_version, 671 sizeof(drv->fw.fw_version), 672 "%u.%u.%u.%u%s", 673 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 674 IWL_UCODE_MINOR(drv->fw.ucode_ver), 675 IWL_UCODE_API(drv->fw.ucode_ver), 676 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 677 buildstr); 678 679 data = ucode->data; 680 681 len -= sizeof(*ucode); 682 683 while (len >= sizeof(*tlv)) { 684 len -= sizeof(*tlv); 685 tlv = (void *)data; 686 687 tlv_len = le32_to_cpu(tlv->length); 688 tlv_type = le32_to_cpu(tlv->type); 689 tlv_data = tlv->data; 690 691 if (len < tlv_len) { 692 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 693 len, tlv_len); 694 return -EINVAL; 695 } 696 len -= ALIGN(tlv_len, 4); 697 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 698 699 switch (tlv_type) { 700 case IWL_UCODE_TLV_INST: 701 set_sec_data(pieces, IWL_UCODE_REGULAR, 702 IWL_UCODE_SECTION_INST, tlv_data); 703 set_sec_size(pieces, IWL_UCODE_REGULAR, 704 IWL_UCODE_SECTION_INST, tlv_len); 705 set_sec_offset(pieces, IWL_UCODE_REGULAR, 706 IWL_UCODE_SECTION_INST, 707 IWLAGN_RTC_INST_LOWER_BOUND); 708 break; 709 case IWL_UCODE_TLV_DATA: 710 set_sec_data(pieces, IWL_UCODE_REGULAR, 711 IWL_UCODE_SECTION_DATA, tlv_data); 712 set_sec_size(pieces, IWL_UCODE_REGULAR, 713 IWL_UCODE_SECTION_DATA, tlv_len); 714 set_sec_offset(pieces, IWL_UCODE_REGULAR, 715 IWL_UCODE_SECTION_DATA, 716 IWLAGN_RTC_DATA_LOWER_BOUND); 717 break; 718 case IWL_UCODE_TLV_INIT: 719 set_sec_data(pieces, IWL_UCODE_INIT, 720 IWL_UCODE_SECTION_INST, tlv_data); 721 set_sec_size(pieces, IWL_UCODE_INIT, 722 IWL_UCODE_SECTION_INST, tlv_len); 723 set_sec_offset(pieces, IWL_UCODE_INIT, 724 IWL_UCODE_SECTION_INST, 725 IWLAGN_RTC_INST_LOWER_BOUND); 726 break; 727 case IWL_UCODE_TLV_INIT_DATA: 728 set_sec_data(pieces, IWL_UCODE_INIT, 729 IWL_UCODE_SECTION_DATA, tlv_data); 730 set_sec_size(pieces, IWL_UCODE_INIT, 731 IWL_UCODE_SECTION_DATA, tlv_len); 732 set_sec_offset(pieces, IWL_UCODE_INIT, 733 IWL_UCODE_SECTION_DATA, 734 IWLAGN_RTC_DATA_LOWER_BOUND); 735 break; 736 case IWL_UCODE_TLV_BOOT: 737 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 738 break; 739 case IWL_UCODE_TLV_PROBE_MAX_LEN: 740 if (tlv_len != sizeof(u32)) 741 goto invalid_tlv_len; 742 capa->max_probe_length = 743 le32_to_cpup((__le32 *)tlv_data); 744 break; 745 case IWL_UCODE_TLV_PAN: 746 if (tlv_len) 747 goto invalid_tlv_len; 748 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 749 break; 750 case IWL_UCODE_TLV_FLAGS: 751 /* must be at least one u32 */ 752 if (tlv_len < sizeof(u32)) 753 goto invalid_tlv_len; 754 /* and a proper number of u32s */ 755 if (tlv_len % sizeof(u32)) 756 goto invalid_tlv_len; 757 /* 758 * This driver only reads the first u32 as 759 * right now no more features are defined, 760 * if that changes then either the driver 761 * will not work with the new firmware, or 762 * it'll not take advantage of new features. 763 */ 764 capa->flags = le32_to_cpup((__le32 *)tlv_data); 765 break; 766 case IWL_UCODE_TLV_API_CHANGES_SET: 767 if (tlv_len != sizeof(struct iwl_ucode_api)) 768 goto invalid_tlv_len; 769 if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) 770 goto tlv_error; 771 break; 772 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 773 if (tlv_len != sizeof(struct iwl_ucode_capa)) 774 goto invalid_tlv_len; 775 if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) 776 goto tlv_error; 777 break; 778 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 779 if (tlv_len != sizeof(u32)) 780 goto invalid_tlv_len; 781 pieces->init_evtlog_ptr = 782 le32_to_cpup((__le32 *)tlv_data); 783 break; 784 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 785 if (tlv_len != sizeof(u32)) 786 goto invalid_tlv_len; 787 pieces->init_evtlog_size = 788 le32_to_cpup((__le32 *)tlv_data); 789 break; 790 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 791 if (tlv_len != sizeof(u32)) 792 goto invalid_tlv_len; 793 pieces->init_errlog_ptr = 794 le32_to_cpup((__le32 *)tlv_data); 795 break; 796 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 797 if (tlv_len != sizeof(u32)) 798 goto invalid_tlv_len; 799 pieces->inst_evtlog_ptr = 800 le32_to_cpup((__le32 *)tlv_data); 801 break; 802 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 803 if (tlv_len != sizeof(u32)) 804 goto invalid_tlv_len; 805 pieces->inst_evtlog_size = 806 le32_to_cpup((__le32 *)tlv_data); 807 break; 808 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 809 if (tlv_len != sizeof(u32)) 810 goto invalid_tlv_len; 811 pieces->inst_errlog_ptr = 812 le32_to_cpup((__le32 *)tlv_data); 813 break; 814 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 815 if (tlv_len) 816 goto invalid_tlv_len; 817 drv->fw.enhance_sensitivity_table = true; 818 break; 819 case IWL_UCODE_TLV_WOWLAN_INST: 820 set_sec_data(pieces, IWL_UCODE_WOWLAN, 821 IWL_UCODE_SECTION_INST, tlv_data); 822 set_sec_size(pieces, IWL_UCODE_WOWLAN, 823 IWL_UCODE_SECTION_INST, tlv_len); 824 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 825 IWL_UCODE_SECTION_INST, 826 IWLAGN_RTC_INST_LOWER_BOUND); 827 break; 828 case IWL_UCODE_TLV_WOWLAN_DATA: 829 set_sec_data(pieces, IWL_UCODE_WOWLAN, 830 IWL_UCODE_SECTION_DATA, tlv_data); 831 set_sec_size(pieces, IWL_UCODE_WOWLAN, 832 IWL_UCODE_SECTION_DATA, tlv_len); 833 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 834 IWL_UCODE_SECTION_DATA, 835 IWLAGN_RTC_DATA_LOWER_BOUND); 836 break; 837 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 838 if (tlv_len != sizeof(u32)) 839 goto invalid_tlv_len; 840 capa->standard_phy_calibration_size = 841 le32_to_cpup((__le32 *)tlv_data); 842 break; 843 case IWL_UCODE_TLV_SEC_RT: 844 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 845 tlv_len); 846 drv->fw.type = IWL_FW_MVM; 847 break; 848 case IWL_UCODE_TLV_SEC_INIT: 849 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 850 tlv_len); 851 drv->fw.type = IWL_FW_MVM; 852 break; 853 case IWL_UCODE_TLV_SEC_WOWLAN: 854 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 855 tlv_len); 856 drv->fw.type = IWL_FW_MVM; 857 break; 858 case IWL_UCODE_TLV_DEF_CALIB: 859 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 860 goto invalid_tlv_len; 861 if (iwl_set_default_calib(drv, tlv_data)) 862 goto tlv_error; 863 break; 864 case IWL_UCODE_TLV_PHY_SKU: 865 if (tlv_len != sizeof(u32)) 866 goto invalid_tlv_len; 867 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 868 drv->fw.valid_tx_ant = (drv->fw.phy_config & 869 FW_PHY_CFG_TX_CHAIN) >> 870 FW_PHY_CFG_TX_CHAIN_POS; 871 drv->fw.valid_rx_ant = (drv->fw.phy_config & 872 FW_PHY_CFG_RX_CHAIN) >> 873 FW_PHY_CFG_RX_CHAIN_POS; 874 break; 875 case IWL_UCODE_TLV_SECURE_SEC_RT: 876 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 877 tlv_len); 878 drv->fw.type = IWL_FW_MVM; 879 break; 880 case IWL_UCODE_TLV_SECURE_SEC_INIT: 881 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 882 tlv_len); 883 drv->fw.type = IWL_FW_MVM; 884 break; 885 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 886 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 887 tlv_len); 888 drv->fw.type = IWL_FW_MVM; 889 break; 890 case IWL_UCODE_TLV_NUM_OF_CPU: 891 if (tlv_len != sizeof(u32)) 892 goto invalid_tlv_len; 893 num_of_cpus = 894 le32_to_cpup((__le32 *)tlv_data); 895 896 if (num_of_cpus == 2) { 897 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 898 true; 899 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 900 true; 901 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 902 true; 903 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 904 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 905 return -EINVAL; 906 } 907 break; 908 case IWL_UCODE_TLV_CSCHEME: 909 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 910 goto invalid_tlv_len; 911 break; 912 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 913 if (tlv_len != sizeof(u32)) 914 goto invalid_tlv_len; 915 capa->n_scan_channels = 916 le32_to_cpup((__le32 *)tlv_data); 917 break; 918 case IWL_UCODE_TLV_FW_VERSION: { 919 __le32 *ptr = (void *)tlv_data; 920 u32 major, minor; 921 u8 local_comp; 922 923 if (tlv_len != sizeof(u32) * 3) 924 goto invalid_tlv_len; 925 926 major = le32_to_cpup(ptr++); 927 minor = le32_to_cpup(ptr++); 928 local_comp = le32_to_cpup(ptr); 929 930 snprintf(drv->fw.fw_version, 931 sizeof(drv->fw.fw_version), "%u.%u.%u", 932 major, minor, local_comp); 933 break; 934 } 935 case IWL_UCODE_TLV_FW_DBG_DEST: { 936 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; 937 938 if (pieces->dbg_dest_tlv) { 939 IWL_ERR(drv, 940 "dbg destination ignored, already exists\n"); 941 break; 942 } 943 944 pieces->dbg_dest_tlv = dest; 945 IWL_INFO(drv, "Found debug destination: %s\n", 946 get_fw_dbg_mode_string(dest->monitor_mode)); 947 948 drv->fw.dbg_dest_reg_num = 949 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, 950 reg_ops); 951 drv->fw.dbg_dest_reg_num /= 952 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); 953 954 break; 955 } 956 case IWL_UCODE_TLV_FW_DBG_CONF: { 957 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 958 959 if (!pieces->dbg_dest_tlv) { 960 IWL_ERR(drv, 961 "Ignore dbg config %d - no destination configured\n", 962 conf->id); 963 break; 964 } 965 966 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { 967 IWL_ERR(drv, 968 "Skip unknown configuration: %d\n", 969 conf->id); 970 break; 971 } 972 973 if (pieces->dbg_conf_tlv[conf->id]) { 974 IWL_ERR(drv, 975 "Ignore duplicate dbg config %d\n", 976 conf->id); 977 break; 978 } 979 980 if (conf->usniffer) 981 usniffer_req = true; 982 983 IWL_INFO(drv, "Found debug configuration: %d\n", 984 conf->id); 985 986 pieces->dbg_conf_tlv[conf->id] = conf; 987 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 988 break; 989 } 990 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 991 struct iwl_fw_dbg_trigger_tlv *trigger = 992 (void *)tlv_data; 993 u32 trigger_id = le32_to_cpu(trigger->id); 994 995 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { 996 IWL_ERR(drv, 997 "Skip unknown trigger: %u\n", 998 trigger->id); 999 break; 1000 } 1001 1002 if (pieces->dbg_trigger_tlv[trigger_id]) { 1003 IWL_ERR(drv, 1004 "Ignore duplicate dbg trigger %u\n", 1005 trigger->id); 1006 break; 1007 } 1008 1009 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1010 1011 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1012 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1013 break; 1014 } 1015 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1016 *usniffer_images = true; 1017 iwl_store_ucode_sec(pieces, tlv_data, 1018 IWL_UCODE_REGULAR_USNIFFER, 1019 tlv_len); 1020 break; 1021 case IWL_UCODE_TLV_PAGING: 1022 if (tlv_len != sizeof(u32)) 1023 goto invalid_tlv_len; 1024 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1025 1026 IWL_DEBUG_FW(drv, 1027 "Paging: paging enabled (size = %u bytes)\n", 1028 paging_mem_size); 1029 1030 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1031 IWL_ERR(drv, 1032 "Paging: driver supports up to %lu bytes for paging image\n", 1033 MAX_PAGING_IMAGE_SIZE); 1034 return -EINVAL; 1035 } 1036 1037 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1038 IWL_ERR(drv, 1039 "Paging: image isn't multiple %lu\n", 1040 FW_PAGING_SIZE); 1041 return -EINVAL; 1042 } 1043 1044 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1045 paging_mem_size; 1046 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1047 drv->fw.img[usniffer_img].paging_mem_size = 1048 paging_mem_size; 1049 break; 1050 case IWL_UCODE_TLV_SDIO_ADMA_ADDR: 1051 if (tlv_len != sizeof(u32)) 1052 goto invalid_tlv_len; 1053 drv->fw.sdio_adma_addr = 1054 le32_to_cpup((__le32 *)tlv_data); 1055 break; 1056 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1057 /* 1058 * Don't return an error in case of a shorter tlv_len 1059 * to enable loading of FW that has an old format 1060 * of GSCAN capabilities TLV. 1061 */ 1062 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities)) 1063 break; 1064 1065 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len); 1066 gscan_capa = true; 1067 break; 1068 case IWL_UCODE_TLV_FW_MEM_SEG: { 1069 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1070 (void *)tlv_data; 1071 u32 type; 1072 size_t size; 1073 struct iwl_fw_dbg_mem_seg_tlv *n; 1074 1075 if (tlv_len != (sizeof(*dbg_mem))) 1076 goto invalid_tlv_len; 1077 1078 type = le32_to_cpu(dbg_mem->data_type); 1079 1080 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1081 dbg_mem->data_type); 1082 1083 switch (type & FW_DBG_MEM_TYPE_MASK) { 1084 case FW_DBG_MEM_TYPE_REGULAR: 1085 case FW_DBG_MEM_TYPE_PRPH: 1086 /* we know how to handle these */ 1087 break; 1088 default: 1089 IWL_ERR(drv, 1090 "Found debug memory segment with invalid type: 0x%x\n", 1091 type); 1092 return -EINVAL; 1093 } 1094 1095 size = sizeof(*pieces->dbg_mem_tlv) * 1096 (pieces->n_dbg_mem_tlv + 1); 1097 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1098 if (!n) 1099 return -ENOMEM; 1100 pieces->dbg_mem_tlv = n; 1101 pieces->dbg_mem_tlv[pieces->n_dbg_mem_tlv] = *dbg_mem; 1102 pieces->n_dbg_mem_tlv++; 1103 break; 1104 } 1105 default: 1106 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1107 break; 1108 } 1109 } 1110 1111 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1112 usniffer_req && !*usniffer_images) { 1113 IWL_ERR(drv, 1114 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1115 return -EINVAL; 1116 } 1117 1118 if (len) { 1119 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1120 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1121 return -EINVAL; 1122 } 1123 1124 /* 1125 * If ucode advertises that it supports GSCAN but GSCAN 1126 * capabilities TLV is not present, or if it has an old format, 1127 * warn and continue without GSCAN. 1128 */ 1129 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && 1130 !gscan_capa) { 1131 IWL_DEBUG_INFO(drv, 1132 "GSCAN is supported but capabilities TLV is unavailable\n"); 1133 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, 1134 capa->_capa); 1135 } 1136 1137 return 0; 1138 1139 invalid_tlv_len: 1140 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1141 tlv_error: 1142 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1143 1144 return -EINVAL; 1145 } 1146 1147 static int iwl_alloc_ucode(struct iwl_drv *drv, 1148 struct iwl_firmware_pieces *pieces, 1149 enum iwl_ucode_type type) 1150 { 1151 int i; 1152 struct fw_desc *sec; 1153 1154 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1155 if (!sec) 1156 return -ENOMEM; 1157 drv->fw.img[type].sec = sec; 1158 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1159 1160 for (i = 0; i < pieces->img[type].sec_counter; i++) 1161 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1162 return -ENOMEM; 1163 1164 return 0; 1165 } 1166 1167 static int validate_sec_sizes(struct iwl_drv *drv, 1168 struct iwl_firmware_pieces *pieces, 1169 const struct iwl_cfg *cfg) 1170 { 1171 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1172 get_sec_size(pieces, IWL_UCODE_REGULAR, 1173 IWL_UCODE_SECTION_INST)); 1174 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1175 get_sec_size(pieces, IWL_UCODE_REGULAR, 1176 IWL_UCODE_SECTION_DATA)); 1177 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1178 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1179 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1180 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1181 1182 /* Verify that uCode images will fit in card's SRAM. */ 1183 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1184 cfg->max_inst_size) { 1185 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1186 get_sec_size(pieces, IWL_UCODE_REGULAR, 1187 IWL_UCODE_SECTION_INST)); 1188 return -1; 1189 } 1190 1191 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1192 cfg->max_data_size) { 1193 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1194 get_sec_size(pieces, IWL_UCODE_REGULAR, 1195 IWL_UCODE_SECTION_DATA)); 1196 return -1; 1197 } 1198 1199 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1200 cfg->max_inst_size) { 1201 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1202 get_sec_size(pieces, IWL_UCODE_INIT, 1203 IWL_UCODE_SECTION_INST)); 1204 return -1; 1205 } 1206 1207 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1208 cfg->max_data_size) { 1209 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1210 get_sec_size(pieces, IWL_UCODE_REGULAR, 1211 IWL_UCODE_SECTION_DATA)); 1212 return -1; 1213 } 1214 return 0; 1215 } 1216 1217 static struct iwl_op_mode * 1218 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1219 { 1220 const struct iwl_op_mode_ops *ops = op->ops; 1221 struct dentry *dbgfs_dir = NULL; 1222 struct iwl_op_mode *op_mode = NULL; 1223 1224 #ifdef CONFIG_IWLWIFI_DEBUGFS 1225 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1226 drv->dbgfs_drv); 1227 if (!drv->dbgfs_op_mode) { 1228 IWL_ERR(drv, 1229 "failed to create opmode debugfs directory\n"); 1230 return op_mode; 1231 } 1232 dbgfs_dir = drv->dbgfs_op_mode; 1233 #endif 1234 1235 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1236 1237 #ifdef CONFIG_IWLWIFI_DEBUGFS 1238 if (!op_mode) { 1239 debugfs_remove_recursive(drv->dbgfs_op_mode); 1240 drv->dbgfs_op_mode = NULL; 1241 } 1242 #endif 1243 1244 return op_mode; 1245 } 1246 1247 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1248 { 1249 /* op_mode can be NULL if its start failed */ 1250 if (drv->op_mode) { 1251 iwl_op_mode_stop(drv->op_mode); 1252 drv->op_mode = NULL; 1253 1254 #ifdef CONFIG_IWLWIFI_DEBUGFS 1255 debugfs_remove_recursive(drv->dbgfs_op_mode); 1256 drv->dbgfs_op_mode = NULL; 1257 #endif 1258 } 1259 } 1260 1261 /** 1262 * iwl_req_fw_callback - callback when firmware was loaded 1263 * 1264 * If loaded successfully, copies the firmware into buffers 1265 * for the card to fetch (via DMA). 1266 */ 1267 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1268 { 1269 struct iwl_drv *drv = context; 1270 struct iwl_fw *fw = &drv->fw; 1271 struct iwl_ucode_header *ucode; 1272 struct iwlwifi_opmode_table *op; 1273 int err; 1274 struct iwl_firmware_pieces *pieces; 1275 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1276 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1277 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1278 u32 api_ver; 1279 int i; 1280 bool load_module = false; 1281 bool usniffer_images = false; 1282 1283 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1284 fw->ucode_capa.standard_phy_calibration_size = 1285 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1286 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1287 1288 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1289 if (!pieces) 1290 goto out_free_fw; 1291 1292 if (!ucode_raw) 1293 goto try_again; 1294 1295 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1296 drv->firmware_name, ucode_raw->size); 1297 1298 /* Make sure that we got at least the API version number */ 1299 if (ucode_raw->size < 4) { 1300 IWL_ERR(drv, "File size way too small!\n"); 1301 goto try_again; 1302 } 1303 1304 /* Data from ucode file: header followed by uCode images */ 1305 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1306 1307 if (ucode->ver) 1308 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1309 else 1310 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1311 &fw->ucode_capa, &usniffer_images); 1312 1313 if (err) 1314 goto try_again; 1315 1316 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1317 api_ver = drv->fw.ucode_ver; 1318 else 1319 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1320 1321 /* 1322 * api_ver should match the api version forming part of the 1323 * firmware filename ... but we don't check for that and only rely 1324 * on the API version read from firmware header from here on forward 1325 */ 1326 if (api_ver < api_min || api_ver > api_max) { 1327 IWL_ERR(drv, 1328 "Driver unable to support your firmware API. " 1329 "Driver supports v%u, firmware is v%u.\n", 1330 api_max, api_ver); 1331 goto try_again; 1332 } 1333 1334 /* 1335 * In mvm uCode there is no difference between data and instructions 1336 * sections. 1337 */ 1338 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1339 drv->trans->cfg)) 1340 goto try_again; 1341 1342 /* Allocate ucode buffers for card's bus-master loading ... */ 1343 1344 /* Runtime instructions and 2 copies of data: 1345 * 1) unmodified from disk 1346 * 2) backup cache for save/restore during power-downs */ 1347 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1348 if (iwl_alloc_ucode(drv, pieces, i)) 1349 goto out_free_fw; 1350 1351 if (pieces->dbg_dest_tlv) { 1352 drv->fw.dbg_dest_tlv = 1353 kmemdup(pieces->dbg_dest_tlv, 1354 sizeof(*pieces->dbg_dest_tlv) + 1355 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * 1356 drv->fw.dbg_dest_reg_num, GFP_KERNEL); 1357 1358 if (!drv->fw.dbg_dest_tlv) 1359 goto out_free_fw; 1360 } 1361 1362 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { 1363 if (pieces->dbg_conf_tlv[i]) { 1364 drv->fw.dbg_conf_tlv_len[i] = 1365 pieces->dbg_conf_tlv_len[i]; 1366 drv->fw.dbg_conf_tlv[i] = 1367 kmemdup(pieces->dbg_conf_tlv[i], 1368 drv->fw.dbg_conf_tlv_len[i], 1369 GFP_KERNEL); 1370 if (!drv->fw.dbg_conf_tlv[i]) 1371 goto out_free_fw; 1372 } 1373 } 1374 1375 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1376 1377 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1378 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1379 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1380 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1381 sizeof(struct iwl_fw_dbg_trigger_cmd); 1382 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1383 sizeof(struct iwl_fw_dbg_trigger_mlme); 1384 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1385 sizeof(struct iwl_fw_dbg_trigger_stats); 1386 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1387 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1388 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1389 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1390 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1391 sizeof(struct iwl_fw_dbg_trigger_time_event); 1392 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1393 sizeof(struct iwl_fw_dbg_trigger_ba); 1394 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1395 sizeof(struct iwl_fw_dbg_trigger_tdls); 1396 1397 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { 1398 if (pieces->dbg_trigger_tlv[i]) { 1399 /* 1400 * If the trigger isn't long enough, WARN and exit. 1401 * Someone is trying to debug something and he won't 1402 * be able to catch the bug he is trying to chase. 1403 * We'd better be noisy to be sure he knows what's 1404 * going on. 1405 */ 1406 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1407 (trigger_tlv_sz[i] + 1408 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1409 goto out_free_fw; 1410 drv->fw.dbg_trigger_tlv_len[i] = 1411 pieces->dbg_trigger_tlv_len[i]; 1412 drv->fw.dbg_trigger_tlv[i] = 1413 kmemdup(pieces->dbg_trigger_tlv[i], 1414 drv->fw.dbg_trigger_tlv_len[i], 1415 GFP_KERNEL); 1416 if (!drv->fw.dbg_trigger_tlv[i]) 1417 goto out_free_fw; 1418 } 1419 } 1420 1421 /* Now that we can no longer fail, copy information */ 1422 1423 drv->fw.dbg_mem_tlv = pieces->dbg_mem_tlv; 1424 pieces->dbg_mem_tlv = NULL; 1425 drv->fw.n_dbg_mem_tlv = pieces->n_dbg_mem_tlv; 1426 1427 /* 1428 * The (size - 16) / 12 formula is based on the information recorded 1429 * for each event, which is of mode 1 (including timestamp) for all 1430 * new microcodes that include this information. 1431 */ 1432 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1433 if (pieces->init_evtlog_size) 1434 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1435 else 1436 fw->init_evtlog_size = 1437 drv->trans->cfg->base_params->max_event_log_size; 1438 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1439 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1440 if (pieces->inst_evtlog_size) 1441 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1442 else 1443 fw->inst_evtlog_size = 1444 drv->trans->cfg->base_params->max_event_log_size; 1445 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1446 1447 /* 1448 * figure out the offset of chain noise reset and gain commands 1449 * base on the size of standard phy calibration commands table size 1450 */ 1451 if (fw->ucode_capa.standard_phy_calibration_size > 1452 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1453 fw->ucode_capa.standard_phy_calibration_size = 1454 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1455 1456 /* We have our copies now, allow OS release its copies */ 1457 release_firmware(ucode_raw); 1458 1459 mutex_lock(&iwlwifi_opmode_table_mtx); 1460 switch (fw->type) { 1461 case IWL_FW_DVM: 1462 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1463 break; 1464 default: 1465 WARN(1, "Invalid fw type %d\n", fw->type); 1466 case IWL_FW_MVM: 1467 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1468 break; 1469 } 1470 1471 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1472 drv->fw.fw_version, op->name); 1473 1474 /* add this device to the list of devices using this op_mode */ 1475 list_add_tail(&drv->list, &op->drv); 1476 1477 if (op->ops) { 1478 drv->op_mode = _iwl_op_mode_start(drv, op); 1479 1480 if (!drv->op_mode) { 1481 mutex_unlock(&iwlwifi_opmode_table_mtx); 1482 goto out_unbind; 1483 } 1484 } else { 1485 load_module = true; 1486 } 1487 mutex_unlock(&iwlwifi_opmode_table_mtx); 1488 1489 /* 1490 * Complete the firmware request last so that 1491 * a driver unbind (stop) doesn't run while we 1492 * are doing the start() above. 1493 */ 1494 complete(&drv->request_firmware_complete); 1495 1496 /* 1497 * Load the module last so we don't block anything 1498 * else from proceeding if the module fails to load 1499 * or hangs loading. 1500 */ 1501 if (load_module) { 1502 request_module("%s", op->name); 1503 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1504 if (err) 1505 IWL_ERR(drv, 1506 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1507 op->name, err); 1508 #endif 1509 } 1510 goto free; 1511 1512 try_again: 1513 /* try next, if any */ 1514 release_firmware(ucode_raw); 1515 if (iwl_request_firmware(drv, false)) 1516 goto out_unbind; 1517 goto free; 1518 1519 out_free_fw: 1520 iwl_dealloc_ucode(drv); 1521 release_firmware(ucode_raw); 1522 out_unbind: 1523 complete(&drv->request_firmware_complete); 1524 device_release_driver(drv->trans->dev); 1525 free: 1526 if (pieces) { 1527 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1528 kfree(pieces->img[i].sec); 1529 kfree(pieces->dbg_mem_tlv); 1530 kfree(pieces); 1531 } 1532 } 1533 1534 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1535 { 1536 struct iwl_drv *drv; 1537 int ret; 1538 1539 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1540 if (!drv) { 1541 ret = -ENOMEM; 1542 goto err; 1543 } 1544 1545 drv->trans = trans; 1546 drv->dev = trans->dev; 1547 1548 init_completion(&drv->request_firmware_complete); 1549 INIT_LIST_HEAD(&drv->list); 1550 1551 #ifdef CONFIG_IWLWIFI_DEBUGFS 1552 /* Create the device debugfs entries. */ 1553 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1554 iwl_dbgfs_root); 1555 1556 if (!drv->dbgfs_drv) { 1557 IWL_ERR(drv, "failed to create debugfs directory\n"); 1558 ret = -ENOMEM; 1559 goto err_free_drv; 1560 } 1561 1562 /* Create transport layer debugfs dir */ 1563 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1564 1565 if (!drv->trans->dbgfs_dir) { 1566 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1567 ret = -ENOMEM; 1568 goto err_free_dbgfs; 1569 } 1570 #endif 1571 1572 ret = iwl_request_firmware(drv, true); 1573 if (ret) { 1574 IWL_ERR(trans, "Couldn't request the fw\n"); 1575 goto err_fw; 1576 } 1577 1578 return drv; 1579 1580 err_fw: 1581 #ifdef CONFIG_IWLWIFI_DEBUGFS 1582 err_free_dbgfs: 1583 debugfs_remove_recursive(drv->dbgfs_drv); 1584 err_free_drv: 1585 #endif 1586 kfree(drv); 1587 err: 1588 return ERR_PTR(ret); 1589 } 1590 1591 void iwl_drv_stop(struct iwl_drv *drv) 1592 { 1593 wait_for_completion(&drv->request_firmware_complete); 1594 1595 _iwl_op_mode_stop(drv); 1596 1597 iwl_dealloc_ucode(drv); 1598 1599 mutex_lock(&iwlwifi_opmode_table_mtx); 1600 /* 1601 * List is empty (this item wasn't added) 1602 * when firmware loading failed -- in that 1603 * case we can't remove it from any list. 1604 */ 1605 if (!list_empty(&drv->list)) 1606 list_del(&drv->list); 1607 mutex_unlock(&iwlwifi_opmode_table_mtx); 1608 1609 #ifdef CONFIG_IWLWIFI_DEBUGFS 1610 debugfs_remove_recursive(drv->dbgfs_drv); 1611 #endif 1612 1613 kfree(drv); 1614 } 1615 1616 1617 /* shared module parameters */ 1618 struct iwl_mod_params iwlwifi_mod_params = { 1619 .fw_restart = true, 1620 .bt_coex_active = true, 1621 .power_level = IWL_POWER_INDEX_1, 1622 .d0i3_disable = true, 1623 .d0i3_timeout = 1000, 1624 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1625 /* the rest are 0 by default */ 1626 }; 1627 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1628 1629 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1630 { 1631 int i; 1632 struct iwl_drv *drv; 1633 struct iwlwifi_opmode_table *op; 1634 1635 mutex_lock(&iwlwifi_opmode_table_mtx); 1636 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1637 op = &iwlwifi_opmode_table[i]; 1638 if (strcmp(op->name, name)) 1639 continue; 1640 op->ops = ops; 1641 /* TODO: need to handle exceptional case */ 1642 list_for_each_entry(drv, &op->drv, list) 1643 drv->op_mode = _iwl_op_mode_start(drv, op); 1644 1645 mutex_unlock(&iwlwifi_opmode_table_mtx); 1646 return 0; 1647 } 1648 mutex_unlock(&iwlwifi_opmode_table_mtx); 1649 return -EIO; 1650 } 1651 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1652 1653 void iwl_opmode_deregister(const char *name) 1654 { 1655 int i; 1656 struct iwl_drv *drv; 1657 1658 mutex_lock(&iwlwifi_opmode_table_mtx); 1659 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1660 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1661 continue; 1662 iwlwifi_opmode_table[i].ops = NULL; 1663 1664 /* call the stop routine for all devices */ 1665 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1666 _iwl_op_mode_stop(drv); 1667 1668 mutex_unlock(&iwlwifi_opmode_table_mtx); 1669 return; 1670 } 1671 mutex_unlock(&iwlwifi_opmode_table_mtx); 1672 } 1673 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1674 1675 static int __init iwl_drv_init(void) 1676 { 1677 int i; 1678 1679 mutex_init(&iwlwifi_opmode_table_mtx); 1680 1681 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1682 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1683 1684 pr_info(DRV_DESCRIPTION "\n"); 1685 pr_info(DRV_COPYRIGHT "\n"); 1686 1687 #ifdef CONFIG_IWLWIFI_DEBUGFS 1688 /* Create the root of iwlwifi debugfs subsystem. */ 1689 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1690 1691 if (!iwl_dbgfs_root) 1692 return -EFAULT; 1693 #endif 1694 1695 return iwl_pci_register_driver(); 1696 } 1697 module_init(iwl_drv_init); 1698 1699 static void __exit iwl_drv_exit(void) 1700 { 1701 iwl_pci_unregister_driver(); 1702 1703 #ifdef CONFIG_IWLWIFI_DEBUGFS 1704 debugfs_remove_recursive(iwl_dbgfs_root); 1705 #endif 1706 } 1707 module_exit(iwl_drv_exit); 1708 1709 #ifdef CONFIG_IWLWIFI_DEBUG 1710 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 1711 S_IRUGO | S_IWUSR); 1712 MODULE_PARM_DESC(debug, "debug output mask"); 1713 #endif 1714 1715 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, S_IRUGO); 1716 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1717 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); 1718 MODULE_PARM_DESC(11n_disable, 1719 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1720 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, 1721 int, S_IRUGO); 1722 MODULE_PARM_DESC(amsdu_size, 1723 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)"); 1724 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, S_IRUGO); 1725 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1726 1727 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1728 int, S_IRUGO); 1729 MODULE_PARM_DESC(antenna_coupling, 1730 "specify antenna coupling in dB (default: 0 dB)"); 1731 1732 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); 1733 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1734 1735 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, 1736 bool, S_IRUGO); 1737 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1738 1739 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, 1740 bool, S_IRUGO); 1741 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1742 1743 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, 1744 uint, S_IRUGO | S_IWUSR); 1745 MODULE_PARM_DESC(uapsd_disable, 1746 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1747 1748 /* 1749 * set bt_coex_active to true, uCode will do kill/defer 1750 * every time the priority line is asserted (BT is sending signals on the 1751 * priority line in the PCIx). 1752 * set bt_coex_active to false, uCode will ignore the BT activity and 1753 * perform the normal operation 1754 * 1755 * User might experience transmit issue on some platform due to WiFi/BT 1756 * co-exist problem. The possible behaviors are: 1757 * Able to scan and finding all the available AP 1758 * Not able to associate with any AP 1759 * On those platforms, WiFi communication can be restored by set 1760 * "bt_coex_active" module parameter to "false" 1761 * 1762 * default: bt_coex_active = true (BT_COEX_ENABLE) 1763 */ 1764 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1765 bool, S_IRUGO); 1766 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1767 1768 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); 1769 MODULE_PARM_DESC(led_mode, "0=system default, " 1770 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1771 1772 module_param_named(power_save, iwlwifi_mod_params.power_save, 1773 bool, S_IRUGO); 1774 MODULE_PARM_DESC(power_save, 1775 "enable WiFi power management (default: disable)"); 1776 1777 module_param_named(power_level, iwlwifi_mod_params.power_level, 1778 int, S_IRUGO); 1779 MODULE_PARM_DESC(power_level, 1780 "default power save level (range from 1 - 5, default: 1)"); 1781 1782 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); 1783 MODULE_PARM_DESC(fw_monitor, 1784 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1785 1786 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, 1787 uint, S_IRUGO); 1788 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1789 1790 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 1791 S_IRUGO); 1792 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1793