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 * The full GNU General Public License is included in this distribution 22 * in the file called COPYING. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <linuxwifi@intel.com> 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27 * 28 * BSD LICENSE 29 * 30 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 31 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 32 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 39 * * Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * * Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in 43 * the documentation and/or other materials provided with the 44 * distribution. 45 * * Neither the name Intel Corporation nor the names of its 46 * contributors may be used to endorse or promote products derived 47 * from this software without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60 * 61 *****************************************************************************/ 62 #include <linux/completion.h> 63 #include <linux/dma-mapping.h> 64 #include <linux/firmware.h> 65 #include <linux/module.h> 66 #include <linux/vmalloc.h> 67 68 #include "iwl-drv.h" 69 #include "iwl-csr.h" 70 #include "iwl-debug.h" 71 #include "iwl-trans.h" 72 #include "iwl-op-mode.h" 73 #include "iwl-agn-hw.h" 74 #include "fw/img.h" 75 #include "iwl-dbg-tlv.h" 76 #include "iwl-config.h" 77 #include "iwl-modparams.h" 78 79 /****************************************************************************** 80 * 81 * module boiler plate 82 * 83 ******************************************************************************/ 84 85 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 86 MODULE_DESCRIPTION(DRV_DESCRIPTION); 87 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 88 MODULE_LICENSE("GPL"); 89 90 #ifdef CONFIG_IWLWIFI_DEBUGFS 91 static struct dentry *iwl_dbgfs_root; 92 #endif 93 94 /** 95 * struct iwl_drv - drv common data 96 * @list: list of drv structures using this opmode 97 * @fw: the iwl_fw structure 98 * @op_mode: the running op_mode 99 * @trans: transport layer 100 * @dev: for debug prints only 101 * @fw_index: firmware revision to try loading 102 * @firmware_name: composite filename of ucode file to load 103 * @request_firmware_complete: the firmware has been obtained from user space 104 */ 105 struct iwl_drv { 106 struct list_head list; 107 struct iwl_fw fw; 108 109 struct iwl_op_mode *op_mode; 110 struct iwl_trans *trans; 111 struct device *dev; 112 113 int fw_index; /* firmware we're trying to load */ 114 char firmware_name[64]; /* name of firmware file to load */ 115 116 struct completion request_firmware_complete; 117 118 #ifdef CONFIG_IWLWIFI_DEBUGFS 119 struct dentry *dbgfs_drv; 120 struct dentry *dbgfs_trans; 121 struct dentry *dbgfs_op_mode; 122 #endif 123 }; 124 125 enum { 126 DVM_OP_MODE, 127 MVM_OP_MODE, 128 }; 129 130 /* Protects the table contents, i.e. the ops pointer & drv list */ 131 static struct mutex iwlwifi_opmode_table_mtx; 132 static struct iwlwifi_opmode_table { 133 const char *name; /* name: iwldvm, iwlmvm, etc */ 134 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 135 struct list_head drv; /* list of devices using this op_mode */ 136 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 137 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 138 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 139 }; 140 141 #define IWL_DEFAULT_SCAN_CHANNELS 40 142 143 /* 144 * struct fw_sec: Just for the image parsing process. 145 * For the fw storage we are using struct fw_desc. 146 */ 147 struct fw_sec { 148 const void *data; /* the sec data */ 149 size_t size; /* section size */ 150 u32 offset; /* offset of writing in the device */ 151 }; 152 153 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 154 { 155 vfree(desc->data); 156 desc->data = NULL; 157 desc->len = 0; 158 } 159 160 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 161 { 162 int i; 163 for (i = 0; i < img->num_sec; i++) 164 iwl_free_fw_desc(drv, &img->sec[i]); 165 kfree(img->sec); 166 } 167 168 static void iwl_dealloc_ucode(struct iwl_drv *drv) 169 { 170 int i; 171 172 kfree(drv->fw.dbg.dest_tlv); 173 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 174 kfree(drv->fw.dbg.conf_tlv[i]); 175 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 176 kfree(drv->fw.dbg.trigger_tlv[i]); 177 kfree(drv->fw.dbg.mem_tlv); 178 kfree(drv->fw.iml); 179 180 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 181 iwl_free_fw_img(drv, drv->fw.img + i); 182 } 183 184 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 185 struct fw_sec *sec) 186 { 187 void *data; 188 189 desc->data = NULL; 190 191 if (!sec || !sec->size) 192 return -EINVAL; 193 194 data = vmalloc(sec->size); 195 if (!data) 196 return -ENOMEM; 197 198 desc->len = sec->size; 199 desc->offset = sec->offset; 200 memcpy(data, sec->data, desc->len); 201 desc->data = data; 202 203 return 0; 204 } 205 206 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 207 void *context); 208 209 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 210 { 211 const struct iwl_cfg *cfg = drv->trans->cfg; 212 char tag[8]; 213 const char *fw_pre_name; 214 215 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 && 216 (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP || 217 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP)) 218 fw_pre_name = cfg->fw_name_pre_b_or_c_step; 219 else if (drv->trans->cfg->integrated && 220 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP && 221 cfg->fw_name_pre_rf_next_step) 222 fw_pre_name = cfg->fw_name_pre_rf_next_step; 223 else 224 fw_pre_name = cfg->fw_name_pre; 225 226 if (first) { 227 drv->fw_index = cfg->ucode_api_max; 228 sprintf(tag, "%d", drv->fw_index); 229 } else { 230 drv->fw_index--; 231 sprintf(tag, "%d", drv->fw_index); 232 } 233 234 if (drv->fw_index < cfg->ucode_api_min) { 235 IWL_ERR(drv, "no suitable firmware found!\n"); 236 237 if (cfg->ucode_api_min == cfg->ucode_api_max) { 238 IWL_ERR(drv, "%s%d is required\n", fw_pre_name, 239 cfg->ucode_api_max); 240 } else { 241 IWL_ERR(drv, "minimum version required: %s%d\n", 242 fw_pre_name, 243 cfg->ucode_api_min); 244 IWL_ERR(drv, "maximum version supported: %s%d\n", 245 fw_pre_name, 246 cfg->ucode_api_max); 247 } 248 249 IWL_ERR(drv, 250 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 251 return -ENOENT; 252 } 253 254 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 255 fw_pre_name, tag); 256 257 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 258 drv->firmware_name); 259 260 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 261 drv->trans->dev, 262 GFP_KERNEL, drv, iwl_req_fw_callback); 263 } 264 265 struct fw_img_parsing { 266 struct fw_sec *sec; 267 int sec_counter; 268 }; 269 270 /* 271 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 272 */ 273 struct fw_sec_parsing { 274 __le32 offset; 275 const u8 data[]; 276 } __packed; 277 278 /** 279 * struct iwl_tlv_calib_data - parse the default calib data from TLV 280 * 281 * @ucode_type: the uCode to which the following default calib relates. 282 * @calib: default calibrations. 283 */ 284 struct iwl_tlv_calib_data { 285 __le32 ucode_type; 286 struct iwl_tlv_calib_ctrl calib; 287 } __packed; 288 289 struct iwl_firmware_pieces { 290 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 291 292 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 293 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 294 295 /* FW debug data parsed for driver usage */ 296 bool dbg_dest_tlv_init; 297 u8 *dbg_dest_ver; 298 union { 299 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 300 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 301 }; 302 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 303 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 304 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 305 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 306 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 307 size_t n_mem_tlv; 308 }; 309 310 /* 311 * These functions are just to extract uCode section data from the pieces 312 * structure. 313 */ 314 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 315 enum iwl_ucode_type type, 316 int sec) 317 { 318 return &pieces->img[type].sec[sec]; 319 } 320 321 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 322 enum iwl_ucode_type type, 323 int sec) 324 { 325 struct fw_img_parsing *img = &pieces->img[type]; 326 struct fw_sec *sec_memory; 327 int size = sec + 1; 328 size_t alloc_size = sizeof(*img->sec) * size; 329 330 if (img->sec && img->sec_counter >= size) 331 return; 332 333 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 334 if (!sec_memory) 335 return; 336 337 img->sec = sec_memory; 338 img->sec_counter = size; 339 } 340 341 static void set_sec_data(struct iwl_firmware_pieces *pieces, 342 enum iwl_ucode_type type, 343 int sec, 344 const void *data) 345 { 346 alloc_sec_data(pieces, type, sec); 347 348 pieces->img[type].sec[sec].data = data; 349 } 350 351 static void set_sec_size(struct iwl_firmware_pieces *pieces, 352 enum iwl_ucode_type type, 353 int sec, 354 size_t size) 355 { 356 alloc_sec_data(pieces, type, sec); 357 358 pieces->img[type].sec[sec].size = size; 359 } 360 361 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 362 enum iwl_ucode_type type, 363 int sec) 364 { 365 return pieces->img[type].sec[sec].size; 366 } 367 368 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 369 enum iwl_ucode_type type, 370 int sec, 371 u32 offset) 372 { 373 alloc_sec_data(pieces, type, sec); 374 375 pieces->img[type].sec[sec].offset = offset; 376 } 377 378 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 379 { 380 int i, j; 381 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 382 struct iwl_fw_cipher_scheme *fwcs; 383 384 if (len < sizeof(*l) || 385 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 386 return -EINVAL; 387 388 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 389 fwcs = &l->cs[j]; 390 391 /* we skip schemes with zero cipher suite selector */ 392 if (!fwcs->cipher) 393 continue; 394 395 fw->cs[j++] = *fwcs; 396 } 397 398 return 0; 399 } 400 401 /* 402 * Gets uCode section from tlv. 403 */ 404 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 405 const void *data, enum iwl_ucode_type type, 406 int size) 407 { 408 struct fw_img_parsing *img; 409 struct fw_sec *sec; 410 struct fw_sec_parsing *sec_parse; 411 size_t alloc_size; 412 413 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 414 return -1; 415 416 sec_parse = (struct fw_sec_parsing *)data; 417 418 img = &pieces->img[type]; 419 420 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 421 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 422 if (!sec) 423 return -ENOMEM; 424 img->sec = sec; 425 426 sec = &img->sec[img->sec_counter]; 427 428 sec->offset = le32_to_cpu(sec_parse->offset); 429 sec->data = sec_parse->data; 430 sec->size = size - sizeof(sec_parse->offset); 431 432 ++img->sec_counter; 433 434 return 0; 435 } 436 437 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 438 { 439 struct iwl_tlv_calib_data *def_calib = 440 (struct iwl_tlv_calib_data *)data; 441 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 442 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 443 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 444 ucode_type); 445 return -EINVAL; 446 } 447 drv->fw.default_calib[ucode_type].flow_trigger = 448 def_calib->calib.flow_trigger; 449 drv->fw.default_calib[ucode_type].event_trigger = 450 def_calib->calib.event_trigger; 451 452 return 0; 453 } 454 455 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 456 struct iwl_ucode_capabilities *capa) 457 { 458 const struct iwl_ucode_api *ucode_api = (void *)data; 459 u32 api_index = le32_to_cpu(ucode_api->api_index); 460 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 461 int i; 462 463 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 464 IWL_WARN(drv, 465 "api flags index %d larger than supported by driver\n", 466 api_index); 467 return; 468 } 469 470 for (i = 0; i < 32; i++) { 471 if (api_flags & BIT(i)) 472 __set_bit(i + 32 * api_index, capa->_api); 473 } 474 } 475 476 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 477 struct iwl_ucode_capabilities *capa) 478 { 479 const struct iwl_ucode_capa *ucode_capa = (void *)data; 480 u32 api_index = le32_to_cpu(ucode_capa->api_index); 481 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 482 int i; 483 484 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 485 IWL_WARN(drv, 486 "capa flags index %d larger than supported by driver\n", 487 api_index); 488 return; 489 } 490 491 for (i = 0; i < 32; i++) { 492 if (api_flags & BIT(i)) 493 __set_bit(i + 32 * api_index, capa->_capa); 494 } 495 } 496 497 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 498 const struct firmware *ucode_raw, 499 struct iwl_firmware_pieces *pieces) 500 { 501 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 502 u32 api_ver, hdr_size, build; 503 char buildstr[25]; 504 const u8 *src; 505 506 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 507 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 508 509 switch (api_ver) { 510 default: 511 hdr_size = 28; 512 if (ucode_raw->size < hdr_size) { 513 IWL_ERR(drv, "File size too small!\n"); 514 return -EINVAL; 515 } 516 build = le32_to_cpu(ucode->u.v2.build); 517 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 518 le32_to_cpu(ucode->u.v2.inst_size)); 519 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 520 le32_to_cpu(ucode->u.v2.data_size)); 521 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 522 le32_to_cpu(ucode->u.v2.init_size)); 523 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 524 le32_to_cpu(ucode->u.v2.init_data_size)); 525 src = ucode->u.v2.data; 526 break; 527 case 0: 528 case 1: 529 case 2: 530 hdr_size = 24; 531 if (ucode_raw->size < hdr_size) { 532 IWL_ERR(drv, "File size too small!\n"); 533 return -EINVAL; 534 } 535 build = 0; 536 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 537 le32_to_cpu(ucode->u.v1.inst_size)); 538 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 539 le32_to_cpu(ucode->u.v1.data_size)); 540 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 541 le32_to_cpu(ucode->u.v1.init_size)); 542 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 543 le32_to_cpu(ucode->u.v1.init_data_size)); 544 src = ucode->u.v1.data; 545 break; 546 } 547 548 if (build) 549 sprintf(buildstr, " build %u", build); 550 else 551 buildstr[0] = '\0'; 552 553 snprintf(drv->fw.fw_version, 554 sizeof(drv->fw.fw_version), 555 "%u.%u.%u.%u%s", 556 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 557 IWL_UCODE_MINOR(drv->fw.ucode_ver), 558 IWL_UCODE_API(drv->fw.ucode_ver), 559 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 560 buildstr); 561 562 /* Verify size of file vs. image size info in file's header */ 563 564 if (ucode_raw->size != hdr_size + 565 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 566 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 567 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 568 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 569 570 IWL_ERR(drv, 571 "uCode file size %d does not match expected size\n", 572 (int)ucode_raw->size); 573 return -EINVAL; 574 } 575 576 577 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 578 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 579 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 580 IWLAGN_RTC_INST_LOWER_BOUND); 581 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 582 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 583 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 584 IWLAGN_RTC_DATA_LOWER_BOUND); 585 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 586 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 587 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 588 IWLAGN_RTC_INST_LOWER_BOUND); 589 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 590 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 591 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 592 IWLAGN_RTC_DATA_LOWER_BOUND); 593 return 0; 594 } 595 596 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 597 const struct firmware *ucode_raw, 598 struct iwl_firmware_pieces *pieces, 599 struct iwl_ucode_capabilities *capa, 600 bool *usniffer_images) 601 { 602 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 603 struct iwl_ucode_tlv *tlv; 604 size_t len = ucode_raw->size; 605 const u8 *data; 606 u32 tlv_len; 607 u32 usniffer_img; 608 enum iwl_ucode_tlv_type tlv_type; 609 const u8 *tlv_data; 610 char buildstr[25]; 611 u32 build, paging_mem_size; 612 int num_of_cpus; 613 bool usniffer_req = false; 614 615 if (len < sizeof(*ucode)) { 616 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 617 return -EINVAL; 618 } 619 620 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 621 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 622 le32_to_cpu(ucode->magic)); 623 return -EINVAL; 624 } 625 626 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 627 memcpy(drv->fw.human_readable, ucode->human_readable, 628 sizeof(drv->fw.human_readable)); 629 build = le32_to_cpu(ucode->build); 630 631 if (build) 632 sprintf(buildstr, " build %u", build); 633 else 634 buildstr[0] = '\0'; 635 636 snprintf(drv->fw.fw_version, 637 sizeof(drv->fw.fw_version), 638 "%u.%u.%u.%u%s", 639 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 640 IWL_UCODE_MINOR(drv->fw.ucode_ver), 641 IWL_UCODE_API(drv->fw.ucode_ver), 642 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 643 buildstr); 644 645 data = ucode->data; 646 647 len -= sizeof(*ucode); 648 649 if (iwlwifi_mod_params.enable_ini) 650 iwl_alloc_dbg_tlv(drv->trans, len, data, false); 651 652 while (len >= sizeof(*tlv)) { 653 len -= sizeof(*tlv); 654 tlv = (void *)data; 655 656 tlv_len = le32_to_cpu(tlv->length); 657 tlv_type = le32_to_cpu(tlv->type); 658 tlv_data = tlv->data; 659 660 if (len < tlv_len) { 661 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 662 len, tlv_len); 663 return -EINVAL; 664 } 665 len -= ALIGN(tlv_len, 4); 666 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 667 668 switch (tlv_type) { 669 case IWL_UCODE_TLV_INST: 670 set_sec_data(pieces, IWL_UCODE_REGULAR, 671 IWL_UCODE_SECTION_INST, tlv_data); 672 set_sec_size(pieces, IWL_UCODE_REGULAR, 673 IWL_UCODE_SECTION_INST, tlv_len); 674 set_sec_offset(pieces, IWL_UCODE_REGULAR, 675 IWL_UCODE_SECTION_INST, 676 IWLAGN_RTC_INST_LOWER_BOUND); 677 break; 678 case IWL_UCODE_TLV_DATA: 679 set_sec_data(pieces, IWL_UCODE_REGULAR, 680 IWL_UCODE_SECTION_DATA, tlv_data); 681 set_sec_size(pieces, IWL_UCODE_REGULAR, 682 IWL_UCODE_SECTION_DATA, tlv_len); 683 set_sec_offset(pieces, IWL_UCODE_REGULAR, 684 IWL_UCODE_SECTION_DATA, 685 IWLAGN_RTC_DATA_LOWER_BOUND); 686 break; 687 case IWL_UCODE_TLV_INIT: 688 set_sec_data(pieces, IWL_UCODE_INIT, 689 IWL_UCODE_SECTION_INST, tlv_data); 690 set_sec_size(pieces, IWL_UCODE_INIT, 691 IWL_UCODE_SECTION_INST, tlv_len); 692 set_sec_offset(pieces, IWL_UCODE_INIT, 693 IWL_UCODE_SECTION_INST, 694 IWLAGN_RTC_INST_LOWER_BOUND); 695 break; 696 case IWL_UCODE_TLV_INIT_DATA: 697 set_sec_data(pieces, IWL_UCODE_INIT, 698 IWL_UCODE_SECTION_DATA, tlv_data); 699 set_sec_size(pieces, IWL_UCODE_INIT, 700 IWL_UCODE_SECTION_DATA, tlv_len); 701 set_sec_offset(pieces, IWL_UCODE_INIT, 702 IWL_UCODE_SECTION_DATA, 703 IWLAGN_RTC_DATA_LOWER_BOUND); 704 break; 705 case IWL_UCODE_TLV_BOOT: 706 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 707 break; 708 case IWL_UCODE_TLV_PROBE_MAX_LEN: 709 if (tlv_len != sizeof(u32)) 710 goto invalid_tlv_len; 711 capa->max_probe_length = 712 le32_to_cpup((__le32 *)tlv_data); 713 break; 714 case IWL_UCODE_TLV_PAN: 715 if (tlv_len) 716 goto invalid_tlv_len; 717 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 718 break; 719 case IWL_UCODE_TLV_FLAGS: 720 /* must be at least one u32 */ 721 if (tlv_len < sizeof(u32)) 722 goto invalid_tlv_len; 723 /* and a proper number of u32s */ 724 if (tlv_len % sizeof(u32)) 725 goto invalid_tlv_len; 726 /* 727 * This driver only reads the first u32 as 728 * right now no more features are defined, 729 * if that changes then either the driver 730 * will not work with the new firmware, or 731 * it'll not take advantage of new features. 732 */ 733 capa->flags = le32_to_cpup((__le32 *)tlv_data); 734 break; 735 case IWL_UCODE_TLV_API_CHANGES_SET: 736 if (tlv_len != sizeof(struct iwl_ucode_api)) 737 goto invalid_tlv_len; 738 iwl_set_ucode_api_flags(drv, tlv_data, capa); 739 break; 740 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 741 if (tlv_len != sizeof(struct iwl_ucode_capa)) 742 goto invalid_tlv_len; 743 iwl_set_ucode_capabilities(drv, tlv_data, capa); 744 break; 745 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 746 if (tlv_len != sizeof(u32)) 747 goto invalid_tlv_len; 748 pieces->init_evtlog_ptr = 749 le32_to_cpup((__le32 *)tlv_data); 750 break; 751 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 752 if (tlv_len != sizeof(u32)) 753 goto invalid_tlv_len; 754 pieces->init_evtlog_size = 755 le32_to_cpup((__le32 *)tlv_data); 756 break; 757 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 758 if (tlv_len != sizeof(u32)) 759 goto invalid_tlv_len; 760 pieces->init_errlog_ptr = 761 le32_to_cpup((__le32 *)tlv_data); 762 break; 763 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 764 if (tlv_len != sizeof(u32)) 765 goto invalid_tlv_len; 766 pieces->inst_evtlog_ptr = 767 le32_to_cpup((__le32 *)tlv_data); 768 break; 769 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 770 if (tlv_len != sizeof(u32)) 771 goto invalid_tlv_len; 772 pieces->inst_evtlog_size = 773 le32_to_cpup((__le32 *)tlv_data); 774 break; 775 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 776 if (tlv_len != sizeof(u32)) 777 goto invalid_tlv_len; 778 pieces->inst_errlog_ptr = 779 le32_to_cpup((__le32 *)tlv_data); 780 break; 781 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 782 if (tlv_len) 783 goto invalid_tlv_len; 784 drv->fw.enhance_sensitivity_table = true; 785 break; 786 case IWL_UCODE_TLV_WOWLAN_INST: 787 set_sec_data(pieces, IWL_UCODE_WOWLAN, 788 IWL_UCODE_SECTION_INST, tlv_data); 789 set_sec_size(pieces, IWL_UCODE_WOWLAN, 790 IWL_UCODE_SECTION_INST, tlv_len); 791 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 792 IWL_UCODE_SECTION_INST, 793 IWLAGN_RTC_INST_LOWER_BOUND); 794 break; 795 case IWL_UCODE_TLV_WOWLAN_DATA: 796 set_sec_data(pieces, IWL_UCODE_WOWLAN, 797 IWL_UCODE_SECTION_DATA, tlv_data); 798 set_sec_size(pieces, IWL_UCODE_WOWLAN, 799 IWL_UCODE_SECTION_DATA, tlv_len); 800 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 801 IWL_UCODE_SECTION_DATA, 802 IWLAGN_RTC_DATA_LOWER_BOUND); 803 break; 804 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 805 if (tlv_len != sizeof(u32)) 806 goto invalid_tlv_len; 807 capa->standard_phy_calibration_size = 808 le32_to_cpup((__le32 *)tlv_data); 809 break; 810 case IWL_UCODE_TLV_SEC_RT: 811 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 812 tlv_len); 813 drv->fw.type = IWL_FW_MVM; 814 break; 815 case IWL_UCODE_TLV_SEC_INIT: 816 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 817 tlv_len); 818 drv->fw.type = IWL_FW_MVM; 819 break; 820 case IWL_UCODE_TLV_SEC_WOWLAN: 821 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 822 tlv_len); 823 drv->fw.type = IWL_FW_MVM; 824 break; 825 case IWL_UCODE_TLV_DEF_CALIB: 826 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 827 goto invalid_tlv_len; 828 if (iwl_set_default_calib(drv, tlv_data)) 829 goto tlv_error; 830 break; 831 case IWL_UCODE_TLV_PHY_SKU: 832 if (tlv_len != sizeof(u32)) 833 goto invalid_tlv_len; 834 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 835 drv->fw.valid_tx_ant = (drv->fw.phy_config & 836 FW_PHY_CFG_TX_CHAIN) >> 837 FW_PHY_CFG_TX_CHAIN_POS; 838 drv->fw.valid_rx_ant = (drv->fw.phy_config & 839 FW_PHY_CFG_RX_CHAIN) >> 840 FW_PHY_CFG_RX_CHAIN_POS; 841 break; 842 case IWL_UCODE_TLV_SECURE_SEC_RT: 843 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 844 tlv_len); 845 drv->fw.type = IWL_FW_MVM; 846 break; 847 case IWL_UCODE_TLV_SECURE_SEC_INIT: 848 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 849 tlv_len); 850 drv->fw.type = IWL_FW_MVM; 851 break; 852 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 853 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 854 tlv_len); 855 drv->fw.type = IWL_FW_MVM; 856 break; 857 case IWL_UCODE_TLV_NUM_OF_CPU: 858 if (tlv_len != sizeof(u32)) 859 goto invalid_tlv_len; 860 num_of_cpus = 861 le32_to_cpup((__le32 *)tlv_data); 862 863 if (num_of_cpus == 2) { 864 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 865 true; 866 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 867 true; 868 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 869 true; 870 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 871 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 872 return -EINVAL; 873 } 874 break; 875 case IWL_UCODE_TLV_CSCHEME: 876 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 877 goto invalid_tlv_len; 878 break; 879 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 880 if (tlv_len != sizeof(u32)) 881 goto invalid_tlv_len; 882 capa->n_scan_channels = 883 le32_to_cpup((__le32 *)tlv_data); 884 break; 885 case IWL_UCODE_TLV_FW_VERSION: { 886 __le32 *ptr = (void *)tlv_data; 887 u32 major, minor; 888 u8 local_comp; 889 890 if (tlv_len != sizeof(u32) * 3) 891 goto invalid_tlv_len; 892 893 major = le32_to_cpup(ptr++); 894 minor = le32_to_cpup(ptr++); 895 local_comp = le32_to_cpup(ptr); 896 897 if (major >= 35) 898 snprintf(drv->fw.fw_version, 899 sizeof(drv->fw.fw_version), 900 "%u.%08x.%u", major, minor, local_comp); 901 else 902 snprintf(drv->fw.fw_version, 903 sizeof(drv->fw.fw_version), 904 "%u.%u.%u", major, minor, local_comp); 905 break; 906 } 907 case IWL_UCODE_TLV_FW_DBG_DEST: { 908 struct iwl_fw_dbg_dest_tlv *dest = NULL; 909 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 910 u8 mon_mode; 911 912 pieces->dbg_dest_ver = (u8 *)tlv_data; 913 if (*pieces->dbg_dest_ver == 1) { 914 dest = (void *)tlv_data; 915 } else if (*pieces->dbg_dest_ver == 0) { 916 dest_v1 = (void *)tlv_data; 917 } else { 918 IWL_ERR(drv, 919 "The version is %d, and it is invalid\n", 920 *pieces->dbg_dest_ver); 921 break; 922 } 923 924 if (pieces->dbg_dest_tlv_init) { 925 IWL_ERR(drv, 926 "dbg destination ignored, already exists\n"); 927 break; 928 } 929 930 pieces->dbg_dest_tlv_init = true; 931 932 if (dest_v1) { 933 pieces->dbg_dest_tlv_v1 = dest_v1; 934 mon_mode = dest_v1->monitor_mode; 935 } else { 936 pieces->dbg_dest_tlv = dest; 937 mon_mode = dest->monitor_mode; 938 } 939 940 IWL_INFO(drv, "Found debug destination: %s\n", 941 get_fw_dbg_mode_string(mon_mode)); 942 943 drv->fw.dbg.n_dest_reg = (dest_v1) ? 944 tlv_len - 945 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 946 reg_ops) : 947 tlv_len - 948 offsetof(struct iwl_fw_dbg_dest_tlv, 949 reg_ops); 950 951 drv->fw.dbg.n_dest_reg /= 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_init) { 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_FW_DBG_DUMP_LST: { 1016 if (tlv_len != sizeof(u32)) { 1017 IWL_ERR(drv, 1018 "dbg lst mask size incorrect, skip\n"); 1019 break; 1020 } 1021 1022 drv->fw.dbg.dump_mask = 1023 le32_to_cpup((__le32 *)tlv_data); 1024 break; 1025 } 1026 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1027 *usniffer_images = true; 1028 iwl_store_ucode_sec(pieces, tlv_data, 1029 IWL_UCODE_REGULAR_USNIFFER, 1030 tlv_len); 1031 break; 1032 case IWL_UCODE_TLV_PAGING: 1033 if (tlv_len != sizeof(u32)) 1034 goto invalid_tlv_len; 1035 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1036 1037 IWL_DEBUG_FW(drv, 1038 "Paging: paging enabled (size = %u bytes)\n", 1039 paging_mem_size); 1040 1041 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1042 IWL_ERR(drv, 1043 "Paging: driver supports up to %lu bytes for paging image\n", 1044 MAX_PAGING_IMAGE_SIZE); 1045 return -EINVAL; 1046 } 1047 1048 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1049 IWL_ERR(drv, 1050 "Paging: image isn't multiple %lu\n", 1051 FW_PAGING_SIZE); 1052 return -EINVAL; 1053 } 1054 1055 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1056 paging_mem_size; 1057 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1058 drv->fw.img[usniffer_img].paging_mem_size = 1059 paging_mem_size; 1060 break; 1061 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1062 /* ignored */ 1063 break; 1064 case IWL_UCODE_TLV_FW_MEM_SEG: { 1065 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1066 (void *)tlv_data; 1067 size_t size; 1068 struct iwl_fw_dbg_mem_seg_tlv *n; 1069 1070 if (tlv_len != (sizeof(*dbg_mem))) 1071 goto invalid_tlv_len; 1072 1073 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1074 dbg_mem->data_type); 1075 1076 size = sizeof(*pieces->dbg_mem_tlv) * 1077 (pieces->n_mem_tlv + 1); 1078 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1079 if (!n) 1080 return -ENOMEM; 1081 pieces->dbg_mem_tlv = n; 1082 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1083 pieces->n_mem_tlv++; 1084 break; 1085 } 1086 case IWL_UCODE_TLV_IML: { 1087 drv->fw.iml_len = tlv_len; 1088 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1089 if (!drv->fw.iml) 1090 return -ENOMEM; 1091 break; 1092 } 1093 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1094 case IWL_UCODE_TLV_TYPE_HCMD: 1095 case IWL_UCODE_TLV_TYPE_REGIONS: 1096 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1097 case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: 1098 if (iwlwifi_mod_params.enable_ini) 1099 iwl_fw_dbg_copy_tlv(drv->trans, tlv, false); 1100 break; 1101 default: 1102 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1103 break; 1104 } 1105 } 1106 1107 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1108 usniffer_req && !*usniffer_images) { 1109 IWL_ERR(drv, 1110 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1111 return -EINVAL; 1112 } 1113 1114 if (len) { 1115 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1116 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1117 return -EINVAL; 1118 } 1119 1120 return 0; 1121 1122 invalid_tlv_len: 1123 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1124 tlv_error: 1125 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1126 1127 return -EINVAL; 1128 } 1129 1130 static int iwl_alloc_ucode(struct iwl_drv *drv, 1131 struct iwl_firmware_pieces *pieces, 1132 enum iwl_ucode_type type) 1133 { 1134 int i; 1135 struct fw_desc *sec; 1136 1137 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1138 if (!sec) 1139 return -ENOMEM; 1140 drv->fw.img[type].sec = sec; 1141 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1142 1143 for (i = 0; i < pieces->img[type].sec_counter; i++) 1144 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1145 return -ENOMEM; 1146 1147 return 0; 1148 } 1149 1150 static int validate_sec_sizes(struct iwl_drv *drv, 1151 struct iwl_firmware_pieces *pieces, 1152 const struct iwl_cfg *cfg) 1153 { 1154 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1155 get_sec_size(pieces, IWL_UCODE_REGULAR, 1156 IWL_UCODE_SECTION_INST)); 1157 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1158 get_sec_size(pieces, IWL_UCODE_REGULAR, 1159 IWL_UCODE_SECTION_DATA)); 1160 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1161 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1162 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1163 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1164 1165 /* Verify that uCode images will fit in card's SRAM. */ 1166 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1167 cfg->max_inst_size) { 1168 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1169 get_sec_size(pieces, IWL_UCODE_REGULAR, 1170 IWL_UCODE_SECTION_INST)); 1171 return -1; 1172 } 1173 1174 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1175 cfg->max_data_size) { 1176 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1177 get_sec_size(pieces, IWL_UCODE_REGULAR, 1178 IWL_UCODE_SECTION_DATA)); 1179 return -1; 1180 } 1181 1182 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1183 cfg->max_inst_size) { 1184 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1185 get_sec_size(pieces, IWL_UCODE_INIT, 1186 IWL_UCODE_SECTION_INST)); 1187 return -1; 1188 } 1189 1190 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1191 cfg->max_data_size) { 1192 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1193 get_sec_size(pieces, IWL_UCODE_REGULAR, 1194 IWL_UCODE_SECTION_DATA)); 1195 return -1; 1196 } 1197 return 0; 1198 } 1199 1200 static struct iwl_op_mode * 1201 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1202 { 1203 const struct iwl_op_mode_ops *ops = op->ops; 1204 struct dentry *dbgfs_dir = NULL; 1205 struct iwl_op_mode *op_mode = NULL; 1206 1207 #ifdef CONFIG_IWLWIFI_DEBUGFS 1208 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1209 drv->dbgfs_drv); 1210 if (!drv->dbgfs_op_mode) { 1211 IWL_ERR(drv, 1212 "failed to create opmode debugfs directory\n"); 1213 return op_mode; 1214 } 1215 dbgfs_dir = drv->dbgfs_op_mode; 1216 #endif 1217 1218 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1219 1220 #ifdef CONFIG_IWLWIFI_DEBUGFS 1221 if (!op_mode) { 1222 debugfs_remove_recursive(drv->dbgfs_op_mode); 1223 drv->dbgfs_op_mode = NULL; 1224 } 1225 #endif 1226 1227 return op_mode; 1228 } 1229 1230 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1231 { 1232 /* op_mode can be NULL if its start failed */ 1233 if (drv->op_mode) { 1234 iwl_op_mode_stop(drv->op_mode); 1235 drv->op_mode = NULL; 1236 1237 #ifdef CONFIG_IWLWIFI_DEBUGFS 1238 debugfs_remove_recursive(drv->dbgfs_op_mode); 1239 drv->dbgfs_op_mode = NULL; 1240 #endif 1241 } 1242 } 1243 1244 /** 1245 * iwl_req_fw_callback - callback when firmware was loaded 1246 * 1247 * If loaded successfully, copies the firmware into buffers 1248 * for the card to fetch (via DMA). 1249 */ 1250 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1251 { 1252 struct iwl_drv *drv = context; 1253 struct iwl_fw *fw = &drv->fw; 1254 struct iwl_ucode_header *ucode; 1255 struct iwlwifi_opmode_table *op; 1256 int err; 1257 struct iwl_firmware_pieces *pieces; 1258 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1259 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1260 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1261 u32 api_ver; 1262 int i; 1263 bool load_module = false; 1264 bool usniffer_images = false; 1265 1266 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1267 fw->ucode_capa.standard_phy_calibration_size = 1268 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1269 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1270 /* dump all fw memory areas by default except d3 debug data */ 1271 fw->dbg.dump_mask = 0xfffdffff; 1272 1273 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1274 if (!pieces) 1275 goto out_free_fw; 1276 1277 if (!ucode_raw) 1278 goto try_again; 1279 1280 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1281 drv->firmware_name, ucode_raw->size); 1282 1283 /* Make sure that we got at least the API version number */ 1284 if (ucode_raw->size < 4) { 1285 IWL_ERR(drv, "File size way too small!\n"); 1286 goto try_again; 1287 } 1288 1289 /* Data from ucode file: header followed by uCode images */ 1290 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1291 1292 if (ucode->ver) 1293 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1294 else 1295 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1296 &fw->ucode_capa, &usniffer_images); 1297 1298 if (err) 1299 goto try_again; 1300 1301 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1302 api_ver = drv->fw.ucode_ver; 1303 else 1304 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1305 1306 /* 1307 * api_ver should match the api version forming part of the 1308 * firmware filename ... but we don't check for that and only rely 1309 * on the API version read from firmware header from here on forward 1310 */ 1311 if (api_ver < api_min || api_ver > api_max) { 1312 IWL_ERR(drv, 1313 "Driver unable to support your firmware API. " 1314 "Driver supports v%u, firmware is v%u.\n", 1315 api_max, api_ver); 1316 goto try_again; 1317 } 1318 1319 /* 1320 * In mvm uCode there is no difference between data and instructions 1321 * sections. 1322 */ 1323 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1324 drv->trans->cfg)) 1325 goto try_again; 1326 1327 /* Allocate ucode buffers for card's bus-master loading ... */ 1328 1329 /* Runtime instructions and 2 copies of data: 1330 * 1) unmodified from disk 1331 * 2) backup cache for save/restore during power-downs 1332 */ 1333 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1334 if (iwl_alloc_ucode(drv, pieces, i)) 1335 goto out_free_fw; 1336 1337 if (pieces->dbg_dest_tlv_init) { 1338 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1339 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1340 drv->fw.dbg.n_dest_reg; 1341 1342 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1343 1344 if (!drv->fw.dbg.dest_tlv) 1345 goto out_free_fw; 1346 1347 if (*pieces->dbg_dest_ver == 0) { 1348 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1349 dbg_dest_size); 1350 } else { 1351 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1352 drv->fw.dbg.dest_tlv; 1353 1354 dest_tlv->version = pieces->dbg_dest_tlv->version; 1355 dest_tlv->monitor_mode = 1356 pieces->dbg_dest_tlv->monitor_mode; 1357 dest_tlv->size_power = 1358 pieces->dbg_dest_tlv->size_power; 1359 dest_tlv->wrap_count = 1360 pieces->dbg_dest_tlv->wrap_count; 1361 dest_tlv->write_ptr_reg = 1362 pieces->dbg_dest_tlv->write_ptr_reg; 1363 dest_tlv->base_shift = 1364 pieces->dbg_dest_tlv->base_shift; 1365 memcpy(dest_tlv->reg_ops, 1366 pieces->dbg_dest_tlv->reg_ops, 1367 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1368 drv->fw.dbg.n_dest_reg); 1369 1370 /* In version 1 of the destination tlv, which is 1371 * relevant for internal buffer exclusively, 1372 * the base address is part of given with the length 1373 * of the buffer, and the size shift is give instead of 1374 * end shift. We now store these values in base_reg, 1375 * and end shift, and when dumping the data we'll 1376 * manipulate it for extracting both the length and 1377 * base address */ 1378 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1379 dest_tlv->end_shift = 1380 pieces->dbg_dest_tlv->size_shift; 1381 } 1382 } 1383 1384 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1385 if (pieces->dbg_conf_tlv[i]) { 1386 drv->fw.dbg.conf_tlv[i] = 1387 kmemdup(pieces->dbg_conf_tlv[i], 1388 pieces->dbg_conf_tlv_len[i], 1389 GFP_KERNEL); 1390 if (!pieces->dbg_conf_tlv_len[i]) 1391 goto out_free_fw; 1392 } 1393 } 1394 1395 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1396 1397 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1398 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1399 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1400 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1401 sizeof(struct iwl_fw_dbg_trigger_cmd); 1402 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1403 sizeof(struct iwl_fw_dbg_trigger_mlme); 1404 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1405 sizeof(struct iwl_fw_dbg_trigger_stats); 1406 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1407 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1408 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1409 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1410 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1411 sizeof(struct iwl_fw_dbg_trigger_time_event); 1412 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1413 sizeof(struct iwl_fw_dbg_trigger_ba); 1414 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1415 sizeof(struct iwl_fw_dbg_trigger_tdls); 1416 1417 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1418 if (pieces->dbg_trigger_tlv[i]) { 1419 /* 1420 * If the trigger isn't long enough, WARN and exit. 1421 * Someone is trying to debug something and he won't 1422 * be able to catch the bug he is trying to chase. 1423 * We'd better be noisy to be sure he knows what's 1424 * going on. 1425 */ 1426 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1427 (trigger_tlv_sz[i] + 1428 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1429 goto out_free_fw; 1430 drv->fw.dbg.trigger_tlv_len[i] = 1431 pieces->dbg_trigger_tlv_len[i]; 1432 drv->fw.dbg.trigger_tlv[i] = 1433 kmemdup(pieces->dbg_trigger_tlv[i], 1434 drv->fw.dbg.trigger_tlv_len[i], 1435 GFP_KERNEL); 1436 if (!drv->fw.dbg.trigger_tlv[i]) 1437 goto out_free_fw; 1438 } 1439 } 1440 1441 /* Now that we can no longer fail, copy information */ 1442 1443 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1444 pieces->dbg_mem_tlv = NULL; 1445 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1446 1447 /* 1448 * The (size - 16) / 12 formula is based on the information recorded 1449 * for each event, which is of mode 1 (including timestamp) for all 1450 * new microcodes that include this information. 1451 */ 1452 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1453 if (pieces->init_evtlog_size) 1454 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1455 else 1456 fw->init_evtlog_size = 1457 drv->trans->cfg->base_params->max_event_log_size; 1458 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1459 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1460 if (pieces->inst_evtlog_size) 1461 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1462 else 1463 fw->inst_evtlog_size = 1464 drv->trans->cfg->base_params->max_event_log_size; 1465 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1466 1467 /* 1468 * figure out the offset of chain noise reset and gain commands 1469 * base on the size of standard phy calibration commands table size 1470 */ 1471 if (fw->ucode_capa.standard_phy_calibration_size > 1472 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1473 fw->ucode_capa.standard_phy_calibration_size = 1474 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1475 1476 /* We have our copies now, allow OS release its copies */ 1477 release_firmware(ucode_raw); 1478 1479 mutex_lock(&iwlwifi_opmode_table_mtx); 1480 switch (fw->type) { 1481 case IWL_FW_DVM: 1482 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1483 break; 1484 default: 1485 WARN(1, "Invalid fw type %d\n", fw->type); 1486 /* fall through */ 1487 case IWL_FW_MVM: 1488 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1489 break; 1490 } 1491 1492 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1493 drv->fw.fw_version, op->name); 1494 1495 /* add this device to the list of devices using this op_mode */ 1496 list_add_tail(&drv->list, &op->drv); 1497 1498 if (op->ops) { 1499 drv->op_mode = _iwl_op_mode_start(drv, op); 1500 1501 if (!drv->op_mode) { 1502 mutex_unlock(&iwlwifi_opmode_table_mtx); 1503 goto out_unbind; 1504 } 1505 } else { 1506 load_module = true; 1507 } 1508 mutex_unlock(&iwlwifi_opmode_table_mtx); 1509 1510 /* 1511 * Complete the firmware request last so that 1512 * a driver unbind (stop) doesn't run while we 1513 * are doing the start() above. 1514 */ 1515 complete(&drv->request_firmware_complete); 1516 1517 /* 1518 * Load the module last so we don't block anything 1519 * else from proceeding if the module fails to load 1520 * or hangs loading. 1521 */ 1522 if (load_module) { 1523 request_module("%s", op->name); 1524 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1525 if (err) 1526 IWL_ERR(drv, 1527 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1528 op->name, err); 1529 #endif 1530 } 1531 goto free; 1532 1533 try_again: 1534 /* try next, if any */ 1535 release_firmware(ucode_raw); 1536 if (iwl_request_firmware(drv, false)) 1537 goto out_unbind; 1538 goto free; 1539 1540 out_free_fw: 1541 iwl_dealloc_ucode(drv); 1542 release_firmware(ucode_raw); 1543 out_unbind: 1544 complete(&drv->request_firmware_complete); 1545 device_release_driver(drv->trans->dev); 1546 free: 1547 if (pieces) { 1548 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1549 kfree(pieces->img[i].sec); 1550 kfree(pieces->dbg_mem_tlv); 1551 kfree(pieces); 1552 } 1553 } 1554 1555 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1556 { 1557 struct iwl_drv *drv; 1558 int ret; 1559 1560 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1561 if (!drv) { 1562 ret = -ENOMEM; 1563 goto err; 1564 } 1565 1566 drv->trans = trans; 1567 drv->dev = trans->dev; 1568 1569 init_completion(&drv->request_firmware_complete); 1570 INIT_LIST_HEAD(&drv->list); 1571 1572 #ifdef CONFIG_IWLWIFI_DEBUGFS 1573 /* Create the device debugfs entries. */ 1574 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1575 iwl_dbgfs_root); 1576 1577 if (!drv->dbgfs_drv) { 1578 IWL_ERR(drv, "failed to create debugfs directory\n"); 1579 ret = -ENOMEM; 1580 goto err_free_tlv; 1581 } 1582 1583 /* Create transport layer debugfs dir */ 1584 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1585 1586 if (!drv->trans->dbgfs_dir) { 1587 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1588 ret = -ENOMEM; 1589 goto err_free_dbgfs; 1590 } 1591 #endif 1592 1593 ret = iwl_request_firmware(drv, true); 1594 if (ret) { 1595 IWL_ERR(trans, "Couldn't request the fw\n"); 1596 goto err_fw; 1597 } 1598 1599 return drv; 1600 1601 err_fw: 1602 #ifdef CONFIG_IWLWIFI_DEBUGFS 1603 err_free_dbgfs: 1604 debugfs_remove_recursive(drv->dbgfs_drv); 1605 err_free_tlv: 1606 iwl_fw_dbg_free(drv->trans); 1607 #endif 1608 kfree(drv); 1609 err: 1610 return ERR_PTR(ret); 1611 } 1612 1613 void iwl_drv_stop(struct iwl_drv *drv) 1614 { 1615 wait_for_completion(&drv->request_firmware_complete); 1616 1617 _iwl_op_mode_stop(drv); 1618 1619 iwl_dealloc_ucode(drv); 1620 1621 mutex_lock(&iwlwifi_opmode_table_mtx); 1622 /* 1623 * List is empty (this item wasn't added) 1624 * when firmware loading failed -- in that 1625 * case we can't remove it from any list. 1626 */ 1627 if (!list_empty(&drv->list)) 1628 list_del(&drv->list); 1629 mutex_unlock(&iwlwifi_opmode_table_mtx); 1630 1631 #ifdef CONFIG_IWLWIFI_DEBUGFS 1632 drv->trans->ops->debugfs_cleanup(drv->trans); 1633 1634 debugfs_remove_recursive(drv->dbgfs_drv); 1635 #endif 1636 1637 iwl_fw_dbg_free(drv->trans); 1638 1639 kfree(drv); 1640 } 1641 1642 1643 /* shared module parameters */ 1644 struct iwl_mod_params iwlwifi_mod_params = { 1645 .fw_restart = true, 1646 .bt_coex_active = true, 1647 .power_level = IWL_POWER_INDEX_1, 1648 .d0i3_disable = true, 1649 .d0i3_timeout = 1000, 1650 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1651 /* the rest are 0 by default */ 1652 }; 1653 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1654 1655 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1656 { 1657 int i; 1658 struct iwl_drv *drv; 1659 struct iwlwifi_opmode_table *op; 1660 1661 mutex_lock(&iwlwifi_opmode_table_mtx); 1662 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1663 op = &iwlwifi_opmode_table[i]; 1664 if (strcmp(op->name, name)) 1665 continue; 1666 op->ops = ops; 1667 /* TODO: need to handle exceptional case */ 1668 list_for_each_entry(drv, &op->drv, list) 1669 drv->op_mode = _iwl_op_mode_start(drv, op); 1670 1671 mutex_unlock(&iwlwifi_opmode_table_mtx); 1672 return 0; 1673 } 1674 mutex_unlock(&iwlwifi_opmode_table_mtx); 1675 return -EIO; 1676 } 1677 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1678 1679 void iwl_opmode_deregister(const char *name) 1680 { 1681 int i; 1682 struct iwl_drv *drv; 1683 1684 mutex_lock(&iwlwifi_opmode_table_mtx); 1685 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1686 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1687 continue; 1688 iwlwifi_opmode_table[i].ops = NULL; 1689 1690 /* call the stop routine for all devices */ 1691 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1692 _iwl_op_mode_stop(drv); 1693 1694 mutex_unlock(&iwlwifi_opmode_table_mtx); 1695 return; 1696 } 1697 mutex_unlock(&iwlwifi_opmode_table_mtx); 1698 } 1699 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1700 1701 static int __init iwl_drv_init(void) 1702 { 1703 int i; 1704 1705 mutex_init(&iwlwifi_opmode_table_mtx); 1706 1707 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1708 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1709 1710 pr_info(DRV_DESCRIPTION "\n"); 1711 pr_info(DRV_COPYRIGHT "\n"); 1712 1713 #ifdef CONFIG_IWLWIFI_DEBUGFS 1714 /* Create the root of iwlwifi debugfs subsystem. */ 1715 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1716 1717 if (!iwl_dbgfs_root) 1718 return -EFAULT; 1719 #endif 1720 1721 return iwl_pci_register_driver(); 1722 } 1723 module_init(iwl_drv_init); 1724 1725 static void __exit iwl_drv_exit(void) 1726 { 1727 iwl_pci_unregister_driver(); 1728 1729 #ifdef CONFIG_IWLWIFI_DEBUGFS 1730 debugfs_remove_recursive(iwl_dbgfs_root); 1731 #endif 1732 } 1733 module_exit(iwl_drv_exit); 1734 1735 #ifdef CONFIG_IWLWIFI_DEBUG 1736 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1737 MODULE_PARM_DESC(debug, "debug output mask"); 1738 #endif 1739 1740 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1741 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1742 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1743 MODULE_PARM_DESC(11n_disable, 1744 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1745 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1746 MODULE_PARM_DESC(amsdu_size, 1747 "amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, " 1748 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)"); 1749 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1750 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1751 1752 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1753 int, 0444); 1754 MODULE_PARM_DESC(antenna_coupling, 1755 "specify antenna coupling in dB (default: 0 dB)"); 1756 1757 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1758 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1759 1760 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, bool, 0444); 1761 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1762 1763 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444); 1764 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1765 1766 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1767 MODULE_PARM_DESC(uapsd_disable, 1768 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1769 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1770 bool, S_IRUGO | S_IWUSR); 1771 MODULE_PARM_DESC(enable_ini, 1772 "Enable debug INI TLV FW debug infrastructure (default: 0"); 1773 1774 /* 1775 * set bt_coex_active to true, uCode will do kill/defer 1776 * every time the priority line is asserted (BT is sending signals on the 1777 * priority line in the PCIx). 1778 * set bt_coex_active to false, uCode will ignore the BT activity and 1779 * perform the normal operation 1780 * 1781 * User might experience transmit issue on some platform due to WiFi/BT 1782 * co-exist problem. The possible behaviors are: 1783 * Able to scan and finding all the available AP 1784 * Not able to associate with any AP 1785 * On those platforms, WiFi communication can be restored by set 1786 * "bt_coex_active" module parameter to "false" 1787 * 1788 * default: bt_coex_active = true (BT_COEX_ENABLE) 1789 */ 1790 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1791 bool, 0444); 1792 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1793 1794 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1795 MODULE_PARM_DESC(led_mode, "0=system default, " 1796 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1797 1798 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1799 MODULE_PARM_DESC(power_save, 1800 "enable WiFi power management (default: disable)"); 1801 1802 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1803 MODULE_PARM_DESC(power_level, 1804 "default power save level (range from 1 - 5, default: 1)"); 1805 1806 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444); 1807 MODULE_PARM_DESC(fw_monitor, 1808 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1809 1810 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, uint, 0444); 1811 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1812 1813 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1814 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1815 1816 module_param_named(remove_when_gone, 1817 iwlwifi_mod_params.remove_when_gone, bool, 1818 0444); 1819 MODULE_PARM_DESC(remove_when_gone, 1820 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1821 1822 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1823 S_IRUGO); 1824 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1825