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, 2018 - 2020 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, 2018 - 2020 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#include "fw/api/alive.h" 79#include "fw/api/mac.h" 80 81/****************************************************************************** 82 * 83 * module boiler plate 84 * 85 ******************************************************************************/ 86 87#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 88MODULE_DESCRIPTION(DRV_DESCRIPTION); 89MODULE_AUTHOR(DRV_AUTHOR); 90MODULE_LICENSE("GPL"); 91 92#ifdef CONFIG_IWLWIFI_DEBUGFS 93static struct dentry *iwl_dbgfs_root; 94#endif 95 96/** 97 * struct iwl_drv - drv common data 98 * @list: list of drv structures using this opmode 99 * @fw: the iwl_fw structure 100 * @op_mode: the running op_mode 101 * @trans: transport layer 102 * @dev: for debug prints only 103 * @fw_index: firmware revision to try loading 104 * @firmware_name: composite filename of ucode file to load 105 * @request_firmware_complete: the firmware has been obtained from user space 106 * @dbgfs_drv: debugfs root directory entry 107 * @dbgfs_trans: debugfs transport directory entry 108 * @dbgfs_op_mode: debugfs op_mode directory entry 109 */ 110struct iwl_drv { 111 struct list_head list; 112 struct iwl_fw fw; 113 114 struct iwl_op_mode *op_mode; 115 struct iwl_trans *trans; 116 struct device *dev; 117 118 int fw_index; /* firmware we're trying to load */ 119 char firmware_name[64]; /* name of firmware file to load */ 120 121 struct completion request_firmware_complete; 122 123#ifdef CONFIG_IWLWIFI_DEBUGFS 124 struct dentry *dbgfs_drv; 125 struct dentry *dbgfs_trans; 126 struct dentry *dbgfs_op_mode; 127#endif 128}; 129 130enum { 131 DVM_OP_MODE, 132 MVM_OP_MODE, 133}; 134 135/* Protects the table contents, i.e. the ops pointer & drv list */ 136static struct mutex iwlwifi_opmode_table_mtx; 137static struct iwlwifi_opmode_table { 138 const char *name; /* name: iwldvm, iwlmvm, etc */ 139 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 140 struct list_head drv; /* list of devices using this op_mode */ 141} iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 142 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 143 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 144}; 145 146#define IWL_DEFAULT_SCAN_CHANNELS 40 147 148/* 149 * struct fw_sec: Just for the image parsing process. 150 * For the fw storage we are using struct fw_desc. 151 */ 152struct fw_sec { 153 const void *data; /* the sec data */ 154 size_t size; /* section size */ 155 u32 offset; /* offset of writing in the device */ 156}; 157 158static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 159{ 160 vfree(desc->data); 161 desc->data = NULL; 162 desc->len = 0; 163} 164 165static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 166{ 167 int i; 168 for (i = 0; i < img->num_sec; i++) 169 iwl_free_fw_desc(drv, &img->sec[i]); 170 kfree(img->sec); 171} 172 173static void iwl_dealloc_ucode(struct iwl_drv *drv) 174{ 175 int i; 176 177 kfree(drv->fw.dbg.dest_tlv); 178 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 179 kfree(drv->fw.dbg.conf_tlv[i]); 180 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 181 kfree(drv->fw.dbg.trigger_tlv[i]); 182 kfree(drv->fw.dbg.mem_tlv); 183 kfree(drv->fw.iml); 184 kfree(drv->fw.ucode_capa.cmd_versions); 185 186 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 187 iwl_free_fw_img(drv, drv->fw.img + i); 188 189 /* clear the data for the aborted load case */ 190 memset(&drv->fw, 0, sizeof(drv->fw)); 191} 192 193static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 194 struct fw_sec *sec) 195{ 196 void *data; 197 198 desc->data = NULL; 199 200 if (!sec || !sec->size) 201 return -EINVAL; 202 203 data = vmalloc(sec->size); 204 if (!data) 205 return -ENOMEM; 206 207 desc->len = sec->size; 208 desc->offset = sec->offset; 209 memcpy(data, sec->data, desc->len); 210 desc->data = data; 211 212 return 0; 213} 214 215static void iwl_req_fw_callback(const struct firmware *ucode_raw, 216 void *context); 217 218static int iwl_request_firmware(struct iwl_drv *drv, bool first) 219{ 220 const struct iwl_cfg *cfg = drv->trans->cfg; 221 char tag[8]; 222 223 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 224 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP && 225 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) { 226 IWL_ERR(drv, 227 "Only HW steps B and C are currently supported (0x%0x)\n", 228 drv->trans->hw_rev); 229 return -EINVAL; 230 } 231 232 if (first) { 233 drv->fw_index = cfg->ucode_api_max; 234 sprintf(tag, "%d", drv->fw_index); 235 } else { 236 drv->fw_index--; 237 sprintf(tag, "%d", drv->fw_index); 238 } 239 240 if (drv->fw_index < cfg->ucode_api_min) { 241 IWL_ERR(drv, "no suitable firmware found!\n"); 242 243 if (cfg->ucode_api_min == cfg->ucode_api_max) { 244 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 245 cfg->ucode_api_max); 246 } else { 247 IWL_ERR(drv, "minimum version required: %s%d\n", 248 cfg->fw_name_pre, cfg->ucode_api_min); 249 IWL_ERR(drv, "maximum version supported: %s%d\n", 250 cfg->fw_name_pre, cfg->ucode_api_max); 251 } 252 253 IWL_ERR(drv, 254 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 255 return -ENOENT; 256 } 257 258 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 259 cfg->fw_name_pre, tag); 260 261 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 262 drv->firmware_name); 263 264 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 265 drv->trans->dev, 266 GFP_KERNEL, drv, iwl_req_fw_callback); 267} 268 269struct fw_img_parsing { 270 struct fw_sec *sec; 271 int sec_counter; 272}; 273 274/* 275 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 276 */ 277struct fw_sec_parsing { 278 __le32 offset; 279 const u8 data[]; 280} __packed; 281 282/** 283 * struct iwl_tlv_calib_data - parse the default calib data from TLV 284 * 285 * @ucode_type: the uCode to which the following default calib relates. 286 * @calib: default calibrations. 287 */ 288struct iwl_tlv_calib_data { 289 __le32 ucode_type; 290 struct iwl_tlv_calib_ctrl calib; 291} __packed; 292 293struct iwl_firmware_pieces { 294 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 295 296 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 297 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 298 299 /* FW debug data parsed for driver usage */ 300 bool dbg_dest_tlv_init; 301 u8 *dbg_dest_ver; 302 union { 303 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 304 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 305 }; 306 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 307 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 308 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 309 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 310 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 311 size_t n_mem_tlv; 312}; 313 314/* 315 * These functions are just to extract uCode section data from the pieces 316 * structure. 317 */ 318static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 319 enum iwl_ucode_type type, 320 int sec) 321{ 322 return &pieces->img[type].sec[sec]; 323} 324 325static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 326 enum iwl_ucode_type type, 327 int sec) 328{ 329 struct fw_img_parsing *img = &pieces->img[type]; 330 struct fw_sec *sec_memory; 331 int size = sec + 1; 332 size_t alloc_size = sizeof(*img->sec) * size; 333 334 if (img->sec && img->sec_counter >= size) 335 return; 336 337 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 338 if (!sec_memory) 339 return; 340 341 img->sec = sec_memory; 342 img->sec_counter = size; 343} 344 345static void set_sec_data(struct iwl_firmware_pieces *pieces, 346 enum iwl_ucode_type type, 347 int sec, 348 const void *data) 349{ 350 alloc_sec_data(pieces, type, sec); 351 352 pieces->img[type].sec[sec].data = data; 353} 354 355static void set_sec_size(struct iwl_firmware_pieces *pieces, 356 enum iwl_ucode_type type, 357 int sec, 358 size_t size) 359{ 360 alloc_sec_data(pieces, type, sec); 361 362 pieces->img[type].sec[sec].size = size; 363} 364 365static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 366 enum iwl_ucode_type type, 367 int sec) 368{ 369 return pieces->img[type].sec[sec].size; 370} 371 372static void set_sec_offset(struct iwl_firmware_pieces *pieces, 373 enum iwl_ucode_type type, 374 int sec, 375 u32 offset) 376{ 377 alloc_sec_data(pieces, type, sec); 378 379 pieces->img[type].sec[sec].offset = offset; 380} 381 382static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 383{ 384 int i, j; 385 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 386 struct iwl_fw_cipher_scheme *fwcs; 387 388 if (len < sizeof(*l) || 389 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 390 return -EINVAL; 391 392 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 393 fwcs = &l->cs[j]; 394 395 /* we skip schemes with zero cipher suite selector */ 396 if (!fwcs->cipher) 397 continue; 398 399 fw->cs[j++] = *fwcs; 400 } 401 402 return 0; 403} 404 405/* 406 * Gets uCode section from tlv. 407 */ 408static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 409 const void *data, enum iwl_ucode_type type, 410 int size) 411{ 412 struct fw_img_parsing *img; 413 struct fw_sec *sec; 414 struct fw_sec_parsing *sec_parse; 415 size_t alloc_size; 416 417 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 418 return -1; 419 420 sec_parse = (struct fw_sec_parsing *)data; 421 422 img = &pieces->img[type]; 423 424 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 425 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 426 if (!sec) 427 return -ENOMEM; 428 img->sec = sec; 429 430 sec = &img->sec[img->sec_counter]; 431 432 sec->offset = le32_to_cpu(sec_parse->offset); 433 sec->data = sec_parse->data; 434 sec->size = size - sizeof(sec_parse->offset); 435 436 ++img->sec_counter; 437 438 return 0; 439} 440 441static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 442{ 443 struct iwl_tlv_calib_data *def_calib = 444 (struct iwl_tlv_calib_data *)data; 445 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 446 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 447 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 448 ucode_type); 449 return -EINVAL; 450 } 451 drv->fw.default_calib[ucode_type].flow_trigger = 452 def_calib->calib.flow_trigger; 453 drv->fw.default_calib[ucode_type].event_trigger = 454 def_calib->calib.event_trigger; 455 456 return 0; 457} 458 459static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 460 struct iwl_ucode_capabilities *capa) 461{ 462 const struct iwl_ucode_api *ucode_api = (void *)data; 463 u32 api_index = le32_to_cpu(ucode_api->api_index); 464 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 465 int i; 466 467 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 468 IWL_WARN(drv, 469 "api flags index %d larger than supported by driver\n", 470 api_index); 471 return; 472 } 473 474 for (i = 0; i < 32; i++) { 475 if (api_flags & BIT(i)) 476 __set_bit(i + 32 * api_index, capa->_api); 477 } 478} 479 480static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 481 struct iwl_ucode_capabilities *capa) 482{ 483 const struct iwl_ucode_capa *ucode_capa = (void *)data; 484 u32 api_index = le32_to_cpu(ucode_capa->api_index); 485 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 486 int i; 487 488 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 489 IWL_WARN(drv, 490 "capa flags index %d larger than supported by driver\n", 491 api_index); 492 return; 493 } 494 495 for (i = 0; i < 32; i++) { 496 if (api_flags & BIT(i)) 497 __set_bit(i + 32 * api_index, capa->_capa); 498 } 499} 500 501static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 502{ 503 const char *name = drv->firmware_name; 504 505 if (strncmp(name, "iwlwifi-", 8) == 0) 506 name += 8; 507 508 return name; 509} 510 511static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 512 const struct firmware *ucode_raw, 513 struct iwl_firmware_pieces *pieces) 514{ 515 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 516 u32 api_ver, hdr_size, build; 517 char buildstr[25]; 518 const u8 *src; 519 520 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 521 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 522 523 switch (api_ver) { 524 default: 525 hdr_size = 28; 526 if (ucode_raw->size < hdr_size) { 527 IWL_ERR(drv, "File size too small!\n"); 528 return -EINVAL; 529 } 530 build = le32_to_cpu(ucode->u.v2.build); 531 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 532 le32_to_cpu(ucode->u.v2.inst_size)); 533 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 534 le32_to_cpu(ucode->u.v2.data_size)); 535 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 536 le32_to_cpu(ucode->u.v2.init_size)); 537 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 538 le32_to_cpu(ucode->u.v2.init_data_size)); 539 src = ucode->u.v2.data; 540 break; 541 case 0: 542 case 1: 543 case 2: 544 hdr_size = 24; 545 if (ucode_raw->size < hdr_size) { 546 IWL_ERR(drv, "File size too small!\n"); 547 return -EINVAL; 548 } 549 build = 0; 550 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 551 le32_to_cpu(ucode->u.v1.inst_size)); 552 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 553 le32_to_cpu(ucode->u.v1.data_size)); 554 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 555 le32_to_cpu(ucode->u.v1.init_size)); 556 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 557 le32_to_cpu(ucode->u.v1.init_data_size)); 558 src = ucode->u.v1.data; 559 break; 560 } 561 562 if (build) 563 sprintf(buildstr, " build %u", build); 564 else 565 buildstr[0] = '\0'; 566 567 snprintf(drv->fw.fw_version, 568 sizeof(drv->fw.fw_version), 569 "%u.%u.%u.%u%s %s", 570 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 571 IWL_UCODE_MINOR(drv->fw.ucode_ver), 572 IWL_UCODE_API(drv->fw.ucode_ver), 573 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 574 buildstr, iwl_reduced_fw_name(drv)); 575 576 /* Verify size of file vs. image size info in file's header */ 577 578 if (ucode_raw->size != hdr_size + 579 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 580 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 581 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 582 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 583 584 IWL_ERR(drv, 585 "uCode file size %d does not match expected size\n", 586 (int)ucode_raw->size); 587 return -EINVAL; 588 } 589 590 591 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 592 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 593 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 594 IWLAGN_RTC_INST_LOWER_BOUND); 595 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 596 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 597 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 598 IWLAGN_RTC_DATA_LOWER_BOUND); 599 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 600 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 601 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 602 IWLAGN_RTC_INST_LOWER_BOUND); 603 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 604 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 605 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 606 IWLAGN_RTC_DATA_LOWER_BOUND); 607 return 0; 608} 609 610#define FW_ADDR_CACHE_CONTROL 0xC0000000 611 612static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 613 const struct firmware *ucode_raw, 614 struct iwl_firmware_pieces *pieces, 615 struct iwl_ucode_capabilities *capa, 616 bool *usniffer_images) 617{ 618 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 619 struct iwl_ucode_tlv *tlv; 620 size_t len = ucode_raw->size; 621 const u8 *data; 622 u32 tlv_len; 623 u32 usniffer_img; 624 enum iwl_ucode_tlv_type tlv_type; 625 const u8 *tlv_data; 626 char buildstr[25]; 627 u32 build, paging_mem_size; 628 int num_of_cpus; 629 bool usniffer_req = false; 630 631 if (len < sizeof(*ucode)) { 632 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 633 return -EINVAL; 634 } 635 636 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 637 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 638 le32_to_cpu(ucode->magic)); 639 return -EINVAL; 640 } 641 642 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 643 memcpy(drv->fw.human_readable, ucode->human_readable, 644 sizeof(drv->fw.human_readable)); 645 build = le32_to_cpu(ucode->build); 646 647 if (build) 648 sprintf(buildstr, " build %u", build); 649 else 650 buildstr[0] = '\0'; 651 652 snprintf(drv->fw.fw_version, 653 sizeof(drv->fw.fw_version), 654 "%u.%u.%u.%u%s %s", 655 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 656 IWL_UCODE_MINOR(drv->fw.ucode_ver), 657 IWL_UCODE_API(drv->fw.ucode_ver), 658 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 659 buildstr, iwl_reduced_fw_name(drv)); 660 661 data = ucode->data; 662 663 len -= sizeof(*ucode); 664 665 while (len >= sizeof(*tlv)) { 666 len -= sizeof(*tlv); 667 tlv = (void *)data; 668 669 tlv_len = le32_to_cpu(tlv->length); 670 tlv_type = le32_to_cpu(tlv->type); 671 tlv_data = tlv->data; 672 673 if (len < tlv_len) { 674 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 675 len, tlv_len); 676 return -EINVAL; 677 } 678 len -= ALIGN(tlv_len, 4); 679 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 680 681 switch (tlv_type) { 682 case IWL_UCODE_TLV_INST: 683 set_sec_data(pieces, IWL_UCODE_REGULAR, 684 IWL_UCODE_SECTION_INST, tlv_data); 685 set_sec_size(pieces, IWL_UCODE_REGULAR, 686 IWL_UCODE_SECTION_INST, tlv_len); 687 set_sec_offset(pieces, IWL_UCODE_REGULAR, 688 IWL_UCODE_SECTION_INST, 689 IWLAGN_RTC_INST_LOWER_BOUND); 690 break; 691 case IWL_UCODE_TLV_DATA: 692 set_sec_data(pieces, IWL_UCODE_REGULAR, 693 IWL_UCODE_SECTION_DATA, tlv_data); 694 set_sec_size(pieces, IWL_UCODE_REGULAR, 695 IWL_UCODE_SECTION_DATA, tlv_len); 696 set_sec_offset(pieces, IWL_UCODE_REGULAR, 697 IWL_UCODE_SECTION_DATA, 698 IWLAGN_RTC_DATA_LOWER_BOUND); 699 break; 700 case IWL_UCODE_TLV_INIT: 701 set_sec_data(pieces, IWL_UCODE_INIT, 702 IWL_UCODE_SECTION_INST, tlv_data); 703 set_sec_size(pieces, IWL_UCODE_INIT, 704 IWL_UCODE_SECTION_INST, tlv_len); 705 set_sec_offset(pieces, IWL_UCODE_INIT, 706 IWL_UCODE_SECTION_INST, 707 IWLAGN_RTC_INST_LOWER_BOUND); 708 break; 709 case IWL_UCODE_TLV_INIT_DATA: 710 set_sec_data(pieces, IWL_UCODE_INIT, 711 IWL_UCODE_SECTION_DATA, tlv_data); 712 set_sec_size(pieces, IWL_UCODE_INIT, 713 IWL_UCODE_SECTION_DATA, tlv_len); 714 set_sec_offset(pieces, IWL_UCODE_INIT, 715 IWL_UCODE_SECTION_DATA, 716 IWLAGN_RTC_DATA_LOWER_BOUND); 717 break; 718 case IWL_UCODE_TLV_BOOT: 719 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 720 break; 721 case IWL_UCODE_TLV_PROBE_MAX_LEN: 722 if (tlv_len != sizeof(u32)) 723 goto invalid_tlv_len; 724 capa->max_probe_length = 725 le32_to_cpup((__le32 *)tlv_data); 726 break; 727 case IWL_UCODE_TLV_PAN: 728 if (tlv_len) 729 goto invalid_tlv_len; 730 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 731 break; 732 case IWL_UCODE_TLV_FLAGS: 733 /* must be at least one u32 */ 734 if (tlv_len < sizeof(u32)) 735 goto invalid_tlv_len; 736 /* and a proper number of u32s */ 737 if (tlv_len % sizeof(u32)) 738 goto invalid_tlv_len; 739 /* 740 * This driver only reads the first u32 as 741 * right now no more features are defined, 742 * if that changes then either the driver 743 * will not work with the new firmware, or 744 * it'll not take advantage of new features. 745 */ 746 capa->flags = le32_to_cpup((__le32 *)tlv_data); 747 break; 748 case IWL_UCODE_TLV_API_CHANGES_SET: 749 if (tlv_len != sizeof(struct iwl_ucode_api)) 750 goto invalid_tlv_len; 751 iwl_set_ucode_api_flags(drv, tlv_data, capa); 752 break; 753 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 754 if (tlv_len != sizeof(struct iwl_ucode_capa)) 755 goto invalid_tlv_len; 756 iwl_set_ucode_capabilities(drv, tlv_data, capa); 757 break; 758 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 759 if (tlv_len != sizeof(u32)) 760 goto invalid_tlv_len; 761 pieces->init_evtlog_ptr = 762 le32_to_cpup((__le32 *)tlv_data); 763 break; 764 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 765 if (tlv_len != sizeof(u32)) 766 goto invalid_tlv_len; 767 pieces->init_evtlog_size = 768 le32_to_cpup((__le32 *)tlv_data); 769 break; 770 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 771 if (tlv_len != sizeof(u32)) 772 goto invalid_tlv_len; 773 pieces->init_errlog_ptr = 774 le32_to_cpup((__le32 *)tlv_data); 775 break; 776 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 777 if (tlv_len != sizeof(u32)) 778 goto invalid_tlv_len; 779 pieces->inst_evtlog_ptr = 780 le32_to_cpup((__le32 *)tlv_data); 781 break; 782 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 783 if (tlv_len != sizeof(u32)) 784 goto invalid_tlv_len; 785 pieces->inst_evtlog_size = 786 le32_to_cpup((__le32 *)tlv_data); 787 break; 788 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 789 if (tlv_len != sizeof(u32)) 790 goto invalid_tlv_len; 791 pieces->inst_errlog_ptr = 792 le32_to_cpup((__le32 *)tlv_data); 793 break; 794 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 795 if (tlv_len) 796 goto invalid_tlv_len; 797 drv->fw.enhance_sensitivity_table = true; 798 break; 799 case IWL_UCODE_TLV_WOWLAN_INST: 800 set_sec_data(pieces, IWL_UCODE_WOWLAN, 801 IWL_UCODE_SECTION_INST, tlv_data); 802 set_sec_size(pieces, IWL_UCODE_WOWLAN, 803 IWL_UCODE_SECTION_INST, tlv_len); 804 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 805 IWL_UCODE_SECTION_INST, 806 IWLAGN_RTC_INST_LOWER_BOUND); 807 break; 808 case IWL_UCODE_TLV_WOWLAN_DATA: 809 set_sec_data(pieces, IWL_UCODE_WOWLAN, 810 IWL_UCODE_SECTION_DATA, tlv_data); 811 set_sec_size(pieces, IWL_UCODE_WOWLAN, 812 IWL_UCODE_SECTION_DATA, tlv_len); 813 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 814 IWL_UCODE_SECTION_DATA, 815 IWLAGN_RTC_DATA_LOWER_BOUND); 816 break; 817 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 818 if (tlv_len != sizeof(u32)) 819 goto invalid_tlv_len; 820 capa->standard_phy_calibration_size = 821 le32_to_cpup((__le32 *)tlv_data); 822 break; 823 case IWL_UCODE_TLV_SEC_RT: 824 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 825 tlv_len); 826 drv->fw.type = IWL_FW_MVM; 827 break; 828 case IWL_UCODE_TLV_SEC_INIT: 829 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 830 tlv_len); 831 drv->fw.type = IWL_FW_MVM; 832 break; 833 case IWL_UCODE_TLV_SEC_WOWLAN: 834 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 835 tlv_len); 836 drv->fw.type = IWL_FW_MVM; 837 break; 838 case IWL_UCODE_TLV_DEF_CALIB: 839 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 840 goto invalid_tlv_len; 841 if (iwl_set_default_calib(drv, tlv_data)) 842 goto tlv_error; 843 break; 844 case IWL_UCODE_TLV_PHY_SKU: 845 if (tlv_len != sizeof(u32)) 846 goto invalid_tlv_len; 847 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 848 drv->fw.valid_tx_ant = (drv->fw.phy_config & 849 FW_PHY_CFG_TX_CHAIN) >> 850 FW_PHY_CFG_TX_CHAIN_POS; 851 drv->fw.valid_rx_ant = (drv->fw.phy_config & 852 FW_PHY_CFG_RX_CHAIN) >> 853 FW_PHY_CFG_RX_CHAIN_POS; 854 break; 855 case IWL_UCODE_TLV_SECURE_SEC_RT: 856 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 857 tlv_len); 858 drv->fw.type = IWL_FW_MVM; 859 break; 860 case IWL_UCODE_TLV_SECURE_SEC_INIT: 861 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 862 tlv_len); 863 drv->fw.type = IWL_FW_MVM; 864 break; 865 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 866 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 867 tlv_len); 868 drv->fw.type = IWL_FW_MVM; 869 break; 870 case IWL_UCODE_TLV_NUM_OF_CPU: 871 if (tlv_len != sizeof(u32)) 872 goto invalid_tlv_len; 873 num_of_cpus = 874 le32_to_cpup((__le32 *)tlv_data); 875 876 if (num_of_cpus == 2) { 877 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 878 true; 879 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 880 true; 881 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 882 true; 883 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 884 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 885 return -EINVAL; 886 } 887 break; 888 case IWL_UCODE_TLV_CSCHEME: 889 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 890 goto invalid_tlv_len; 891 break; 892 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 893 if (tlv_len != sizeof(u32)) 894 goto invalid_tlv_len; 895 capa->n_scan_channels = 896 le32_to_cpup((__le32 *)tlv_data); 897 break; 898 case IWL_UCODE_TLV_FW_VERSION: { 899 __le32 *ptr = (void *)tlv_data; 900 u32 major, minor; 901 u8 local_comp; 902 903 if (tlv_len != sizeof(u32) * 3) 904 goto invalid_tlv_len; 905 906 major = le32_to_cpup(ptr++); 907 minor = le32_to_cpup(ptr++); 908 local_comp = le32_to_cpup(ptr); 909 910 if (major >= 35) 911 snprintf(drv->fw.fw_version, 912 sizeof(drv->fw.fw_version), 913 "%u.%08x.%u %s", major, minor, 914 local_comp, iwl_reduced_fw_name(drv)); 915 else 916 snprintf(drv->fw.fw_version, 917 sizeof(drv->fw.fw_version), 918 "%u.%u.%u %s", major, minor, 919 local_comp, iwl_reduced_fw_name(drv)); 920 break; 921 } 922 case IWL_UCODE_TLV_FW_DBG_DEST: { 923 struct iwl_fw_dbg_dest_tlv *dest = NULL; 924 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 925 u8 mon_mode; 926 927 pieces->dbg_dest_ver = (u8 *)tlv_data; 928 if (*pieces->dbg_dest_ver == 1) { 929 dest = (void *)tlv_data; 930 } else if (*pieces->dbg_dest_ver == 0) { 931 dest_v1 = (void *)tlv_data; 932 } else { 933 IWL_ERR(drv, 934 "The version is %d, and it is invalid\n", 935 *pieces->dbg_dest_ver); 936 break; 937 } 938 939 if (pieces->dbg_dest_tlv_init) { 940 IWL_ERR(drv, 941 "dbg destination ignored, already exists\n"); 942 break; 943 } 944 945 pieces->dbg_dest_tlv_init = true; 946 947 if (dest_v1) { 948 pieces->dbg_dest_tlv_v1 = dest_v1; 949 mon_mode = dest_v1->monitor_mode; 950 } else { 951 pieces->dbg_dest_tlv = dest; 952 mon_mode = dest->monitor_mode; 953 } 954 955 IWL_INFO(drv, "Found debug destination: %s\n", 956 get_fw_dbg_mode_string(mon_mode)); 957 958 drv->fw.dbg.n_dest_reg = (dest_v1) ? 959 tlv_len - 960 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 961 reg_ops) : 962 tlv_len - 963 offsetof(struct iwl_fw_dbg_dest_tlv, 964 reg_ops); 965 966 drv->fw.dbg.n_dest_reg /= 967 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 968 969 break; 970 } 971 case IWL_UCODE_TLV_FW_DBG_CONF: { 972 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 973 974 if (!pieces->dbg_dest_tlv_init) { 975 IWL_ERR(drv, 976 "Ignore dbg config %d - no destination configured\n", 977 conf->id); 978 break; 979 } 980 981 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 982 IWL_ERR(drv, 983 "Skip unknown configuration: %d\n", 984 conf->id); 985 break; 986 } 987 988 if (pieces->dbg_conf_tlv[conf->id]) { 989 IWL_ERR(drv, 990 "Ignore duplicate dbg config %d\n", 991 conf->id); 992 break; 993 } 994 995 if (conf->usniffer) 996 usniffer_req = true; 997 998 IWL_INFO(drv, "Found debug configuration: %d\n", 999 conf->id); 1000 1001 pieces->dbg_conf_tlv[conf->id] = conf; 1002 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 1003 break; 1004 } 1005 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 1006 struct iwl_fw_dbg_trigger_tlv *trigger = 1007 (void *)tlv_data; 1008 u32 trigger_id = le32_to_cpu(trigger->id); 1009 1010 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 1011 IWL_ERR(drv, 1012 "Skip unknown trigger: %u\n", 1013 trigger->id); 1014 break; 1015 } 1016 1017 if (pieces->dbg_trigger_tlv[trigger_id]) { 1018 IWL_ERR(drv, 1019 "Ignore duplicate dbg trigger %u\n", 1020 trigger->id); 1021 break; 1022 } 1023 1024 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1025 1026 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1027 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1028 break; 1029 } 1030 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1031 if (tlv_len != sizeof(u32)) { 1032 IWL_ERR(drv, 1033 "dbg lst mask size incorrect, skip\n"); 1034 break; 1035 } 1036 1037 drv->fw.dbg.dump_mask = 1038 le32_to_cpup((__le32 *)tlv_data); 1039 break; 1040 } 1041 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1042 *usniffer_images = true; 1043 iwl_store_ucode_sec(pieces, tlv_data, 1044 IWL_UCODE_REGULAR_USNIFFER, 1045 tlv_len); 1046 break; 1047 case IWL_UCODE_TLV_PAGING: 1048 if (tlv_len != sizeof(u32)) 1049 goto invalid_tlv_len; 1050 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1051 1052 IWL_DEBUG_FW(drv, 1053 "Paging: paging enabled (size = %u bytes)\n", 1054 paging_mem_size); 1055 1056 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1057 IWL_ERR(drv, 1058 "Paging: driver supports up to %lu bytes for paging image\n", 1059 MAX_PAGING_IMAGE_SIZE); 1060 return -EINVAL; 1061 } 1062 1063 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1064 IWL_ERR(drv, 1065 "Paging: image isn't multiple %lu\n", 1066 FW_PAGING_SIZE); 1067 return -EINVAL; 1068 } 1069 1070 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1071 paging_mem_size; 1072 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1073 drv->fw.img[usniffer_img].paging_mem_size = 1074 paging_mem_size; 1075 break; 1076 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1077 /* ignored */ 1078 break; 1079 case IWL_UCODE_TLV_FW_MEM_SEG: { 1080 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1081 (void *)tlv_data; 1082 size_t size; 1083 struct iwl_fw_dbg_mem_seg_tlv *n; 1084 1085 if (tlv_len != (sizeof(*dbg_mem))) 1086 goto invalid_tlv_len; 1087 1088 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1089 dbg_mem->data_type); 1090 1091 size = sizeof(*pieces->dbg_mem_tlv) * 1092 (pieces->n_mem_tlv + 1); 1093 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1094 if (!n) 1095 return -ENOMEM; 1096 pieces->dbg_mem_tlv = n; 1097 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1098 pieces->n_mem_tlv++; 1099 break; 1100 } 1101 case IWL_UCODE_TLV_IML: { 1102 drv->fw.iml_len = tlv_len; 1103 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1104 if (!drv->fw.iml) 1105 return -ENOMEM; 1106 break; 1107 } 1108 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1109 struct { 1110 __le32 buf_addr; 1111 __le32 buf_size; 1112 } *recov_info = (void *)tlv_data; 1113 1114 if (tlv_len != sizeof(*recov_info)) 1115 goto invalid_tlv_len; 1116 capa->error_log_addr = 1117 le32_to_cpu(recov_info->buf_addr); 1118 capa->error_log_size = 1119 le32_to_cpu(recov_info->buf_size); 1120 } 1121 break; 1122 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1123 struct { 1124 u8 version[32]; 1125 u8 sha1[20]; 1126 } *fseq_ver = (void *)tlv_data; 1127 1128 if (tlv_len != sizeof(*fseq_ver)) 1129 goto invalid_tlv_len; 1130 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1131 fseq_ver->version); 1132 } 1133 break; 1134 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1135 if (tlv_len != sizeof(u32)) 1136 goto invalid_tlv_len; 1137 if (le32_to_cpup((__le32 *)tlv_data) > 1138 IWL_MVM_STATION_COUNT_MAX) { 1139 IWL_ERR(drv, 1140 "%d is an invalid number of station\n", 1141 le32_to_cpup((__le32 *)tlv_data)); 1142 goto tlv_error; 1143 } 1144 capa->num_stations = 1145 le32_to_cpup((__le32 *)tlv_data); 1146 break; 1147 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1148 struct iwl_umac_debug_addrs *dbg_ptrs = 1149 (void *)tlv_data; 1150 1151 if (tlv_len != sizeof(*dbg_ptrs)) 1152 goto invalid_tlv_len; 1153 if (drv->trans->trans_cfg->device_family < 1154 IWL_DEVICE_FAMILY_22000) 1155 break; 1156 drv->trans->dbg.umac_error_event_table = 1157 le32_to_cpu(dbg_ptrs->error_info_addr) & 1158 ~FW_ADDR_CACHE_CONTROL; 1159 drv->trans->dbg.error_event_table_tlv_status |= 1160 IWL_ERROR_EVENT_TABLE_UMAC; 1161 break; 1162 } 1163 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1164 struct iwl_lmac_debug_addrs *dbg_ptrs = 1165 (void *)tlv_data; 1166 1167 if (tlv_len != sizeof(*dbg_ptrs)) 1168 goto invalid_tlv_len; 1169 if (drv->trans->trans_cfg->device_family < 1170 IWL_DEVICE_FAMILY_22000) 1171 break; 1172 drv->trans->dbg.lmac_error_event_table[0] = 1173 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1174 ~FW_ADDR_CACHE_CONTROL; 1175 drv->trans->dbg.error_event_table_tlv_status |= 1176 IWL_ERROR_EVENT_TABLE_LMAC1; 1177 break; 1178 } 1179 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1180 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1181 case IWL_UCODE_TLV_TYPE_HCMD: 1182 case IWL_UCODE_TLV_TYPE_REGIONS: 1183 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1184 if (iwlwifi_mod_params.enable_ini) 1185 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1186 break; 1187 case IWL_UCODE_TLV_CMD_VERSIONS: 1188 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1189 IWL_ERR(drv, 1190 "Invalid length for command versions: %u\n", 1191 tlv_len); 1192 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1193 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1194 } 1195 if (WARN_ON(capa->cmd_versions)) 1196 return -EINVAL; 1197 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1198 GFP_KERNEL); 1199 if (!capa->cmd_versions) 1200 return -ENOMEM; 1201 capa->n_cmd_versions = 1202 tlv_len / sizeof(struct iwl_fw_cmd_version); 1203 break; 1204 default: 1205 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1206 break; 1207 } 1208 } 1209 1210 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1211 usniffer_req && !*usniffer_images) { 1212 IWL_ERR(drv, 1213 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1214 return -EINVAL; 1215 } 1216 1217 if (len) { 1218 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1219 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1220 return -EINVAL; 1221 } 1222 1223 return 0; 1224 1225 invalid_tlv_len: 1226 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1227 tlv_error: 1228 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1229 1230 return -EINVAL; 1231} 1232 1233static int iwl_alloc_ucode(struct iwl_drv *drv, 1234 struct iwl_firmware_pieces *pieces, 1235 enum iwl_ucode_type type) 1236{ 1237 int i; 1238 struct fw_desc *sec; 1239 1240 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1241 if (!sec) 1242 return -ENOMEM; 1243 drv->fw.img[type].sec = sec; 1244 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1245 1246 for (i = 0; i < pieces->img[type].sec_counter; i++) 1247 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1248 return -ENOMEM; 1249 1250 return 0; 1251} 1252 1253static int validate_sec_sizes(struct iwl_drv *drv, 1254 struct iwl_firmware_pieces *pieces, 1255 const struct iwl_cfg *cfg) 1256{ 1257 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1258 get_sec_size(pieces, IWL_UCODE_REGULAR, 1259 IWL_UCODE_SECTION_INST)); 1260 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1261 get_sec_size(pieces, IWL_UCODE_REGULAR, 1262 IWL_UCODE_SECTION_DATA)); 1263 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1264 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1265 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1266 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1267 1268 /* Verify that uCode images will fit in card's SRAM. */ 1269 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1270 cfg->max_inst_size) { 1271 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1272 get_sec_size(pieces, IWL_UCODE_REGULAR, 1273 IWL_UCODE_SECTION_INST)); 1274 return -1; 1275 } 1276 1277 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1278 cfg->max_data_size) { 1279 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1280 get_sec_size(pieces, IWL_UCODE_REGULAR, 1281 IWL_UCODE_SECTION_DATA)); 1282 return -1; 1283 } 1284 1285 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1286 cfg->max_inst_size) { 1287 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1288 get_sec_size(pieces, IWL_UCODE_INIT, 1289 IWL_UCODE_SECTION_INST)); 1290 return -1; 1291 } 1292 1293 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1294 cfg->max_data_size) { 1295 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1296 get_sec_size(pieces, IWL_UCODE_REGULAR, 1297 IWL_UCODE_SECTION_DATA)); 1298 return -1; 1299 } 1300 return 0; 1301} 1302 1303static struct iwl_op_mode * 1304_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1305{ 1306 const struct iwl_op_mode_ops *ops = op->ops; 1307 struct dentry *dbgfs_dir = NULL; 1308 struct iwl_op_mode *op_mode = NULL; 1309 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; 1310 1311 for (retry = 0; retry <= max_retry; retry++) { 1312 1313#ifdef CONFIG_IWLWIFI_DEBUGFS 1314 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1315 drv->dbgfs_drv); 1316 dbgfs_dir = drv->dbgfs_op_mode; 1317#endif 1318 1319 op_mode = ops->start(drv->trans, drv->trans->cfg, 1320 &drv->fw, dbgfs_dir); 1321 1322 if (op_mode) 1323 return op_mode; 1324 1325 IWL_ERR(drv, "retry init count %d\n", retry); 1326 1327#ifdef CONFIG_IWLWIFI_DEBUGFS 1328 debugfs_remove_recursive(drv->dbgfs_op_mode); 1329 drv->dbgfs_op_mode = NULL; 1330#endif 1331 } 1332 1333 return NULL; 1334} 1335 1336static void _iwl_op_mode_stop(struct iwl_drv *drv) 1337{ 1338 /* op_mode can be NULL if its start failed */ 1339 if (drv->op_mode) { 1340 iwl_op_mode_stop(drv->op_mode); 1341 drv->op_mode = NULL; 1342 1343#ifdef CONFIG_IWLWIFI_DEBUGFS 1344 debugfs_remove_recursive(drv->dbgfs_op_mode); 1345 drv->dbgfs_op_mode = NULL; 1346#endif 1347 } 1348} 1349 1350/* 1351 * iwl_req_fw_callback - callback when firmware was loaded 1352 * 1353 * If loaded successfully, copies the firmware into buffers 1354 * for the card to fetch (via DMA). 1355 */ 1356static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1357{ 1358 struct iwl_drv *drv = context; 1359 struct iwl_fw *fw = &drv->fw; 1360 struct iwl_ucode_header *ucode; 1361 struct iwlwifi_opmode_table *op; 1362 int err; 1363 struct iwl_firmware_pieces *pieces; 1364 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1365 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1366 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1367 u32 api_ver; 1368 int i; 1369 bool load_module = false; 1370 bool usniffer_images = false; 1371 bool failure = true; 1372 1373 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1374 fw->ucode_capa.standard_phy_calibration_size = 1375 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1376 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1377 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1378 /* dump all fw memory areas by default */ 1379 fw->dbg.dump_mask = 0xffffffff; 1380 1381 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1382 if (!pieces) 1383 goto out_free_fw; 1384 1385 if (!ucode_raw) 1386 goto try_again; 1387 1388 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1389 drv->firmware_name, ucode_raw->size); 1390 1391 /* Make sure that we got at least the API version number */ 1392 if (ucode_raw->size < 4) { 1393 IWL_ERR(drv, "File size way too small!\n"); 1394 goto try_again; 1395 } 1396 1397 /* Data from ucode file: header followed by uCode images */ 1398 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1399 1400 if (ucode->ver) 1401 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1402 else 1403 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1404 &fw->ucode_capa, &usniffer_images); 1405 1406 if (err) 1407 goto try_again; 1408 1409 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1410 api_ver = drv->fw.ucode_ver; 1411 else 1412 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1413 1414 /* 1415 * api_ver should match the api version forming part of the 1416 * firmware filename ... but we don't check for that and only rely 1417 * on the API version read from firmware header from here on forward 1418 */ 1419 if (api_ver < api_min || api_ver > api_max) { 1420 IWL_ERR(drv, 1421 "Driver unable to support your firmware API. " 1422 "Driver supports v%u, firmware is v%u.\n", 1423 api_max, api_ver); 1424 goto try_again; 1425 } 1426 1427 /* 1428 * In mvm uCode there is no difference between data and instructions 1429 * sections. 1430 */ 1431 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1432 drv->trans->cfg)) 1433 goto try_again; 1434 1435 /* Allocate ucode buffers for card's bus-master loading ... */ 1436 1437 /* Runtime instructions and 2 copies of data: 1438 * 1) unmodified from disk 1439 * 2) backup cache for save/restore during power-downs 1440 */ 1441 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1442 if (iwl_alloc_ucode(drv, pieces, i)) 1443 goto out_free_fw; 1444 1445 if (pieces->dbg_dest_tlv_init) { 1446 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1447 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1448 drv->fw.dbg.n_dest_reg; 1449 1450 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1451 1452 if (!drv->fw.dbg.dest_tlv) 1453 goto out_free_fw; 1454 1455 if (*pieces->dbg_dest_ver == 0) { 1456 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1457 dbg_dest_size); 1458 } else { 1459 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1460 drv->fw.dbg.dest_tlv; 1461 1462 dest_tlv->version = pieces->dbg_dest_tlv->version; 1463 dest_tlv->monitor_mode = 1464 pieces->dbg_dest_tlv->monitor_mode; 1465 dest_tlv->size_power = 1466 pieces->dbg_dest_tlv->size_power; 1467 dest_tlv->wrap_count = 1468 pieces->dbg_dest_tlv->wrap_count; 1469 dest_tlv->write_ptr_reg = 1470 pieces->dbg_dest_tlv->write_ptr_reg; 1471 dest_tlv->base_shift = 1472 pieces->dbg_dest_tlv->base_shift; 1473 memcpy(dest_tlv->reg_ops, 1474 pieces->dbg_dest_tlv->reg_ops, 1475 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1476 drv->fw.dbg.n_dest_reg); 1477 1478 /* In version 1 of the destination tlv, which is 1479 * relevant for internal buffer exclusively, 1480 * the base address is part of given with the length 1481 * of the buffer, and the size shift is give instead of 1482 * end shift. We now store these values in base_reg, 1483 * and end shift, and when dumping the data we'll 1484 * manipulate it for extracting both the length and 1485 * base address */ 1486 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1487 dest_tlv->end_shift = 1488 pieces->dbg_dest_tlv->size_shift; 1489 } 1490 } 1491 1492 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1493 if (pieces->dbg_conf_tlv[i]) { 1494 drv->fw.dbg.conf_tlv[i] = 1495 kmemdup(pieces->dbg_conf_tlv[i], 1496 pieces->dbg_conf_tlv_len[i], 1497 GFP_KERNEL); 1498 if (!drv->fw.dbg.conf_tlv[i]) 1499 goto out_free_fw; 1500 } 1501 } 1502 1503 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1504 1505 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1506 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1507 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1508 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1509 sizeof(struct iwl_fw_dbg_trigger_cmd); 1510 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1511 sizeof(struct iwl_fw_dbg_trigger_mlme); 1512 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1513 sizeof(struct iwl_fw_dbg_trigger_stats); 1514 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1515 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1516 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1517 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1518 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1519 sizeof(struct iwl_fw_dbg_trigger_time_event); 1520 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1521 sizeof(struct iwl_fw_dbg_trigger_ba); 1522 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1523 sizeof(struct iwl_fw_dbg_trigger_tdls); 1524 1525 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1526 if (pieces->dbg_trigger_tlv[i]) { 1527 /* 1528 * If the trigger isn't long enough, WARN and exit. 1529 * Someone is trying to debug something and he won't 1530 * be able to catch the bug he is trying to chase. 1531 * We'd better be noisy to be sure he knows what's 1532 * going on. 1533 */ 1534 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1535 (trigger_tlv_sz[i] + 1536 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1537 goto out_free_fw; 1538 drv->fw.dbg.trigger_tlv_len[i] = 1539 pieces->dbg_trigger_tlv_len[i]; 1540 drv->fw.dbg.trigger_tlv[i] = 1541 kmemdup(pieces->dbg_trigger_tlv[i], 1542 drv->fw.dbg.trigger_tlv_len[i], 1543 GFP_KERNEL); 1544 if (!drv->fw.dbg.trigger_tlv[i]) 1545 goto out_free_fw; 1546 } 1547 } 1548 1549 /* Now that we can no longer fail, copy information */ 1550 1551 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1552 pieces->dbg_mem_tlv = NULL; 1553 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1554 1555 /* 1556 * The (size - 16) / 12 formula is based on the information recorded 1557 * for each event, which is of mode 1 (including timestamp) for all 1558 * new microcodes that include this information. 1559 */ 1560 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1561 if (pieces->init_evtlog_size) 1562 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1563 else 1564 fw->init_evtlog_size = 1565 drv->trans->trans_cfg->base_params->max_event_log_size; 1566 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1567 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1568 if (pieces->inst_evtlog_size) 1569 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1570 else 1571 fw->inst_evtlog_size = 1572 drv->trans->trans_cfg->base_params->max_event_log_size; 1573 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1574 1575 /* 1576 * figure out the offset of chain noise reset and gain commands 1577 * base on the size of standard phy calibration commands table size 1578 */ 1579 if (fw->ucode_capa.standard_phy_calibration_size > 1580 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1581 fw->ucode_capa.standard_phy_calibration_size = 1582 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1583 1584 /* We have our copies now, allow OS release its copies */ 1585 release_firmware(ucode_raw); 1586 1587 mutex_lock(&iwlwifi_opmode_table_mtx); 1588 switch (fw->type) { 1589 case IWL_FW_DVM: 1590 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1591 break; 1592 default: 1593 WARN(1, "Invalid fw type %d\n", fw->type); 1594 /* fall through */ 1595 case IWL_FW_MVM: 1596 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1597 break; 1598 } 1599 1600 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1601 drv->fw.fw_version, op->name); 1602 1603 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1604 1605 /* add this device to the list of devices using this op_mode */ 1606 list_add_tail(&drv->list, &op->drv); 1607 1608 if (op->ops) { 1609 drv->op_mode = _iwl_op_mode_start(drv, op); 1610 1611 if (!drv->op_mode) { 1612 mutex_unlock(&iwlwifi_opmode_table_mtx); 1613 goto out_unbind; 1614 } 1615 } else { 1616 load_module = true; 1617 } 1618 mutex_unlock(&iwlwifi_opmode_table_mtx); 1619 1620 /* 1621 * Complete the firmware request last so that 1622 * a driver unbind (stop) doesn't run while we 1623 * are doing the start() above. 1624 */ 1625 complete(&drv->request_firmware_complete); 1626 1627 /* 1628 * Load the module last so we don't block anything 1629 * else from proceeding if the module fails to load 1630 * or hangs loading. 1631 */ 1632 if (load_module) 1633 request_module("%s", op->name); 1634 failure = false; 1635 goto free; 1636 1637 try_again: 1638 /* try next, if any */ 1639 release_firmware(ucode_raw); 1640 if (iwl_request_firmware(drv, false)) 1641 goto out_unbind; 1642 goto free; 1643 1644 out_free_fw: 1645 release_firmware(ucode_raw); 1646 out_unbind: 1647 complete(&drv->request_firmware_complete); 1648 device_release_driver(drv->trans->dev); 1649 /* drv has just been freed by the release */ 1650 failure = false; 1651 free: 1652 if (failure) 1653 iwl_dealloc_ucode(drv); 1654 1655 if (pieces) { 1656 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1657 kfree(pieces->img[i].sec); 1658 kfree(pieces->dbg_mem_tlv); 1659 kfree(pieces); 1660 } 1661} 1662 1663struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1664{ 1665 struct iwl_drv *drv; 1666 int ret; 1667 1668 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1669 if (!drv) { 1670 ret = -ENOMEM; 1671 goto err; 1672 } 1673 1674 drv->trans = trans; 1675 drv->dev = trans->dev; 1676 1677 init_completion(&drv->request_firmware_complete); 1678 INIT_LIST_HEAD(&drv->list); 1679 1680#ifdef CONFIG_IWLWIFI_DEBUGFS 1681 /* Create the device debugfs entries. */ 1682 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1683 iwl_dbgfs_root); 1684 1685 /* Create transport layer debugfs dir */ 1686 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1687#endif 1688 1689 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1690 1691 ret = iwl_request_firmware(drv, true); 1692 if (ret) { 1693 IWL_ERR(trans, "Couldn't request the fw\n"); 1694 goto err_fw; 1695 } 1696 1697 return drv; 1698 1699err_fw: 1700#ifdef CONFIG_IWLWIFI_DEBUGFS 1701 debugfs_remove_recursive(drv->dbgfs_drv); 1702 iwl_dbg_tlv_free(drv->trans); 1703#endif 1704 kfree(drv); 1705err: 1706 return ERR_PTR(ret); 1707} 1708 1709void iwl_drv_stop(struct iwl_drv *drv) 1710{ 1711 wait_for_completion(&drv->request_firmware_complete); 1712 1713 _iwl_op_mode_stop(drv); 1714 1715 iwl_dealloc_ucode(drv); 1716 1717 mutex_lock(&iwlwifi_opmode_table_mtx); 1718 /* 1719 * List is empty (this item wasn't added) 1720 * when firmware loading failed -- in that 1721 * case we can't remove it from any list. 1722 */ 1723 if (!list_empty(&drv->list)) 1724 list_del(&drv->list); 1725 mutex_unlock(&iwlwifi_opmode_table_mtx); 1726 1727#ifdef CONFIG_IWLWIFI_DEBUGFS 1728 drv->trans->ops->debugfs_cleanup(drv->trans); 1729 1730 debugfs_remove_recursive(drv->dbgfs_drv); 1731#endif 1732 1733 iwl_dbg_tlv_free(drv->trans); 1734 1735 kfree(drv); 1736} 1737 1738 1739/* shared module parameters */ 1740struct iwl_mod_params iwlwifi_mod_params = { 1741 .fw_restart = true, 1742 .bt_coex_active = true, 1743 .power_level = IWL_POWER_INDEX_1, 1744 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1745 .enable_ini = true, 1746 /* the rest are 0 by default */ 1747}; 1748IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1749 1750int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1751{ 1752 int i; 1753 struct iwl_drv *drv; 1754 struct iwlwifi_opmode_table *op; 1755 1756 mutex_lock(&iwlwifi_opmode_table_mtx); 1757 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1758 op = &iwlwifi_opmode_table[i]; 1759 if (strcmp(op->name, name)) 1760 continue; 1761 op->ops = ops; 1762 /* TODO: need to handle exceptional case */ 1763 list_for_each_entry(drv, &op->drv, list) 1764 drv->op_mode = _iwl_op_mode_start(drv, op); 1765 1766 mutex_unlock(&iwlwifi_opmode_table_mtx); 1767 return 0; 1768 } 1769 mutex_unlock(&iwlwifi_opmode_table_mtx); 1770 return -EIO; 1771} 1772IWL_EXPORT_SYMBOL(iwl_opmode_register); 1773 1774void iwl_opmode_deregister(const char *name) 1775{ 1776 int i; 1777 struct iwl_drv *drv; 1778 1779 mutex_lock(&iwlwifi_opmode_table_mtx); 1780 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1781 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1782 continue; 1783 iwlwifi_opmode_table[i].ops = NULL; 1784 1785 /* call the stop routine for all devices */ 1786 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1787 _iwl_op_mode_stop(drv); 1788 1789 mutex_unlock(&iwlwifi_opmode_table_mtx); 1790 return; 1791 } 1792 mutex_unlock(&iwlwifi_opmode_table_mtx); 1793} 1794IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1795 1796static int __init iwl_drv_init(void) 1797{ 1798 int i, err; 1799 1800 mutex_init(&iwlwifi_opmode_table_mtx); 1801 1802 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1803 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1804 1805 pr_info(DRV_DESCRIPTION "\n"); 1806 1807#ifdef CONFIG_IWLWIFI_DEBUGFS 1808 /* Create the root of iwlwifi debugfs subsystem. */ 1809 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1810#endif 1811 1812 err = iwl_pci_register_driver(); 1813 if (err) 1814 goto cleanup_debugfs; 1815 1816 return 0; 1817 1818cleanup_debugfs: 1819#ifdef CONFIG_IWLWIFI_DEBUGFS 1820 debugfs_remove_recursive(iwl_dbgfs_root); 1821#endif 1822 return err; 1823} 1824module_init(iwl_drv_init); 1825 1826static void __exit iwl_drv_exit(void) 1827{ 1828 iwl_pci_unregister_driver(); 1829 1830#ifdef CONFIG_IWLWIFI_DEBUGFS 1831 debugfs_remove_recursive(iwl_dbgfs_root); 1832#endif 1833} 1834module_exit(iwl_drv_exit); 1835 1836#ifdef CONFIG_IWLWIFI_DEBUG 1837module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1838MODULE_PARM_DESC(debug, "debug output mask"); 1839#endif 1840 1841module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1842MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1843module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1844MODULE_PARM_DESC(11n_disable, 1845 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1846module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1847MODULE_PARM_DESC(amsdu_size, 1848 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1849 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)"); 1850module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1851MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1852 1853module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1854MODULE_PARM_DESC(nvm_file, "NVM file name"); 1855 1856module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1857MODULE_PARM_DESC(uapsd_disable, 1858 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1859module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1860 bool, S_IRUGO | S_IWUSR); 1861MODULE_PARM_DESC(enable_ini, 1862 "Enable debug INI TLV FW debug infrastructure (default: true"); 1863 1864/* 1865 * set bt_coex_active to true, uCode will do kill/defer 1866 * every time the priority line is asserted (BT is sending signals on the 1867 * priority line in the PCIx). 1868 * set bt_coex_active to false, uCode will ignore the BT activity and 1869 * perform the normal operation 1870 * 1871 * User might experience transmit issue on some platform due to WiFi/BT 1872 * co-exist problem. The possible behaviors are: 1873 * Able to scan and finding all the available AP 1874 * Not able to associate with any AP 1875 * On those platforms, WiFi communication can be restored by set 1876 * "bt_coex_active" module parameter to "false" 1877 * 1878 * default: bt_coex_active = true (BT_COEX_ENABLE) 1879 */ 1880module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1881 bool, 0444); 1882MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1883 1884module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1885MODULE_PARM_DESC(led_mode, "0=system default, " 1886 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1887 1888module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1889MODULE_PARM_DESC(power_save, 1890 "enable WiFi power management (default: disable)"); 1891 1892module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1893MODULE_PARM_DESC(power_level, 1894 "default power save level (range from 1 - 5, default: 1)"); 1895 1896module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1897MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1898 1899module_param_named(remove_when_gone, 1900 iwlwifi_mod_params.remove_when_gone, bool, 1901 0444); 1902MODULE_PARM_DESC(remove_when_gone, 1903 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1904 1905module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1906 S_IRUGO); 1907MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1908