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 * Copyright(c) 2018 - 2019 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34 * Copyright(c) 2018 - 2019 Intel Corporation 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in 45 * the documentation and/or other materials provided with the 46 * distribution. 47 * * Neither the name Intel Corporation nor the names of its 48 * contributors may be used to endorse or promote products derived 49 * from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 *****************************************************************************/ 64 #include <linux/completion.h> 65 #include <linux/dma-mapping.h> 66 #include <linux/firmware.h> 67 #include <linux/module.h> 68 #include <linux/vmalloc.h> 69 70 #include "iwl-drv.h" 71 #include "iwl-csr.h" 72 #include "iwl-debug.h" 73 #include "iwl-trans.h" 74 #include "iwl-op-mode.h" 75 #include "iwl-agn-hw.h" 76 #include "fw/img.h" 77 #include "iwl-dbg-tlv.h" 78 #include "iwl-config.h" 79 #include "iwl-modparams.h" 80 #include "fw/api/alive.h" 81 82 /****************************************************************************** 83 * 84 * module boiler plate 85 * 86 ******************************************************************************/ 87 88 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 89 MODULE_DESCRIPTION(DRV_DESCRIPTION); 90 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 91 MODULE_LICENSE("GPL"); 92 93 #ifdef CONFIG_IWLWIFI_DEBUGFS 94 static struct dentry *iwl_dbgfs_root; 95 #endif 96 97 /** 98 * struct iwl_drv - drv common data 99 * @list: list of drv structures using this opmode 100 * @fw: the iwl_fw structure 101 * @op_mode: the running op_mode 102 * @trans: transport layer 103 * @dev: for debug prints only 104 * @fw_index: firmware revision to try loading 105 * @firmware_name: composite filename of ucode file to load 106 * @request_firmware_complete: the firmware has been obtained from user space 107 */ 108 struct iwl_drv { 109 struct list_head list; 110 struct iwl_fw fw; 111 112 struct iwl_op_mode *op_mode; 113 struct iwl_trans *trans; 114 struct device *dev; 115 116 int fw_index; /* firmware we're trying to load */ 117 char firmware_name[64]; /* name of firmware file to load */ 118 119 struct completion request_firmware_complete; 120 121 #ifdef CONFIG_IWLWIFI_DEBUGFS 122 struct dentry *dbgfs_drv; 123 struct dentry *dbgfs_trans; 124 struct dentry *dbgfs_op_mode; 125 #endif 126 }; 127 128 enum { 129 DVM_OP_MODE, 130 MVM_OP_MODE, 131 }; 132 133 /* Protects the table contents, i.e. the ops pointer & drv list */ 134 static struct mutex iwlwifi_opmode_table_mtx; 135 static struct iwlwifi_opmode_table { 136 const char *name; /* name: iwldvm, iwlmvm, etc */ 137 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 138 struct list_head drv; /* list of devices using this op_mode */ 139 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 140 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 141 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 142 }; 143 144 #define IWL_DEFAULT_SCAN_CHANNELS 40 145 146 /* 147 * struct fw_sec: Just for the image parsing process. 148 * For the fw storage we are using struct fw_desc. 149 */ 150 struct fw_sec { 151 const void *data; /* the sec data */ 152 size_t size; /* section size */ 153 u32 offset; /* offset of writing in the device */ 154 }; 155 156 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 157 { 158 vfree(desc->data); 159 desc->data = NULL; 160 desc->len = 0; 161 } 162 163 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 164 { 165 int i; 166 for (i = 0; i < img->num_sec; i++) 167 iwl_free_fw_desc(drv, &img->sec[i]); 168 kfree(img->sec); 169 } 170 171 static void iwl_dealloc_ucode(struct iwl_drv *drv) 172 { 173 int i; 174 175 kfree(drv->fw.dbg.dest_tlv); 176 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 177 kfree(drv->fw.dbg.conf_tlv[i]); 178 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 179 kfree(drv->fw.dbg.trigger_tlv[i]); 180 kfree(drv->fw.dbg.mem_tlv); 181 kfree(drv->fw.iml); 182 kfree(drv->fw.ucode_capa.cmd_versions); 183 184 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 185 iwl_free_fw_img(drv, drv->fw.img + i); 186 } 187 188 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 189 struct fw_sec *sec) 190 { 191 void *data; 192 193 desc->data = NULL; 194 195 if (!sec || !sec->size) 196 return -EINVAL; 197 198 data = vmalloc(sec->size); 199 if (!data) 200 return -ENOMEM; 201 202 desc->len = sec->size; 203 desc->offset = sec->offset; 204 memcpy(data, sec->data, desc->len); 205 desc->data = data; 206 207 return 0; 208 } 209 210 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 211 void *context); 212 213 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 214 { 215 const struct iwl_cfg *cfg = drv->trans->cfg; 216 char tag[8]; 217 218 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 219 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP && 220 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) { 221 IWL_ERR(drv, 222 "Only HW steps B and C are currently supported (0x%0x)\n", 223 drv->trans->hw_rev); 224 return -EINVAL; 225 } 226 227 if (first) { 228 drv->fw_index = cfg->ucode_api_max; 229 sprintf(tag, "%d", drv->fw_index); 230 } else { 231 drv->fw_index--; 232 sprintf(tag, "%d", drv->fw_index); 233 } 234 235 if (drv->fw_index < cfg->ucode_api_min) { 236 IWL_ERR(drv, "no suitable firmware found!\n"); 237 238 if (cfg->ucode_api_min == cfg->ucode_api_max) { 239 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 240 cfg->ucode_api_max); 241 } else { 242 IWL_ERR(drv, "minimum version required: %s%d\n", 243 cfg->fw_name_pre, cfg->ucode_api_min); 244 IWL_ERR(drv, "maximum version supported: %s%d\n", 245 cfg->fw_name_pre, cfg->ucode_api_max); 246 } 247 248 IWL_ERR(drv, 249 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 250 return -ENOENT; 251 } 252 253 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 254 cfg->fw_name_pre, tag); 255 256 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 257 drv->firmware_name); 258 259 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 260 drv->trans->dev, 261 GFP_KERNEL, drv, iwl_req_fw_callback); 262 } 263 264 struct fw_img_parsing { 265 struct fw_sec *sec; 266 int sec_counter; 267 }; 268 269 /* 270 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 271 */ 272 struct fw_sec_parsing { 273 __le32 offset; 274 const u8 data[]; 275 } __packed; 276 277 /** 278 * struct iwl_tlv_calib_data - parse the default calib data from TLV 279 * 280 * @ucode_type: the uCode to which the following default calib relates. 281 * @calib: default calibrations. 282 */ 283 struct iwl_tlv_calib_data { 284 __le32 ucode_type; 285 struct iwl_tlv_calib_ctrl calib; 286 } __packed; 287 288 struct iwl_firmware_pieces { 289 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 290 291 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 292 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 293 294 /* FW debug data parsed for driver usage */ 295 bool dbg_dest_tlv_init; 296 u8 *dbg_dest_ver; 297 union { 298 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 299 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 300 }; 301 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 302 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 303 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 304 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 305 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 306 size_t n_mem_tlv; 307 }; 308 309 /* 310 * These functions are just to extract uCode section data from the pieces 311 * structure. 312 */ 313 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 314 enum iwl_ucode_type type, 315 int sec) 316 { 317 return &pieces->img[type].sec[sec]; 318 } 319 320 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 321 enum iwl_ucode_type type, 322 int sec) 323 { 324 struct fw_img_parsing *img = &pieces->img[type]; 325 struct fw_sec *sec_memory; 326 int size = sec + 1; 327 size_t alloc_size = sizeof(*img->sec) * size; 328 329 if (img->sec && img->sec_counter >= size) 330 return; 331 332 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 333 if (!sec_memory) 334 return; 335 336 img->sec = sec_memory; 337 img->sec_counter = size; 338 } 339 340 static void set_sec_data(struct iwl_firmware_pieces *pieces, 341 enum iwl_ucode_type type, 342 int sec, 343 const void *data) 344 { 345 alloc_sec_data(pieces, type, sec); 346 347 pieces->img[type].sec[sec].data = data; 348 } 349 350 static void set_sec_size(struct iwl_firmware_pieces *pieces, 351 enum iwl_ucode_type type, 352 int sec, 353 size_t size) 354 { 355 alloc_sec_data(pieces, type, sec); 356 357 pieces->img[type].sec[sec].size = size; 358 } 359 360 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 361 enum iwl_ucode_type type, 362 int sec) 363 { 364 return pieces->img[type].sec[sec].size; 365 } 366 367 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 368 enum iwl_ucode_type type, 369 int sec, 370 u32 offset) 371 { 372 alloc_sec_data(pieces, type, sec); 373 374 pieces->img[type].sec[sec].offset = offset; 375 } 376 377 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 378 { 379 int i, j; 380 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 381 struct iwl_fw_cipher_scheme *fwcs; 382 383 if (len < sizeof(*l) || 384 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 385 return -EINVAL; 386 387 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 388 fwcs = &l->cs[j]; 389 390 /* we skip schemes with zero cipher suite selector */ 391 if (!fwcs->cipher) 392 continue; 393 394 fw->cs[j++] = *fwcs; 395 } 396 397 return 0; 398 } 399 400 /* 401 * Gets uCode section from tlv. 402 */ 403 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 404 const void *data, enum iwl_ucode_type type, 405 int size) 406 { 407 struct fw_img_parsing *img; 408 struct fw_sec *sec; 409 struct fw_sec_parsing *sec_parse; 410 size_t alloc_size; 411 412 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 413 return -1; 414 415 sec_parse = (struct fw_sec_parsing *)data; 416 417 img = &pieces->img[type]; 418 419 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 420 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 421 if (!sec) 422 return -ENOMEM; 423 img->sec = sec; 424 425 sec = &img->sec[img->sec_counter]; 426 427 sec->offset = le32_to_cpu(sec_parse->offset); 428 sec->data = sec_parse->data; 429 sec->size = size - sizeof(sec_parse->offset); 430 431 ++img->sec_counter; 432 433 return 0; 434 } 435 436 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 437 { 438 struct iwl_tlv_calib_data *def_calib = 439 (struct iwl_tlv_calib_data *)data; 440 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 441 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 442 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 443 ucode_type); 444 return -EINVAL; 445 } 446 drv->fw.default_calib[ucode_type].flow_trigger = 447 def_calib->calib.flow_trigger; 448 drv->fw.default_calib[ucode_type].event_trigger = 449 def_calib->calib.event_trigger; 450 451 return 0; 452 } 453 454 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 455 struct iwl_ucode_capabilities *capa) 456 { 457 const struct iwl_ucode_api *ucode_api = (void *)data; 458 u32 api_index = le32_to_cpu(ucode_api->api_index); 459 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 460 int i; 461 462 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 463 IWL_WARN(drv, 464 "api flags index %d larger than supported by driver\n", 465 api_index); 466 return; 467 } 468 469 for (i = 0; i < 32; i++) { 470 if (api_flags & BIT(i)) 471 __set_bit(i + 32 * api_index, capa->_api); 472 } 473 } 474 475 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 476 struct iwl_ucode_capabilities *capa) 477 { 478 const struct iwl_ucode_capa *ucode_capa = (void *)data; 479 u32 api_index = le32_to_cpu(ucode_capa->api_index); 480 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 481 int i; 482 483 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 484 IWL_WARN(drv, 485 "capa flags index %d larger than supported by driver\n", 486 api_index); 487 return; 488 } 489 490 for (i = 0; i < 32; i++) { 491 if (api_flags & BIT(i)) 492 __set_bit(i + 32 * api_index, capa->_capa); 493 } 494 } 495 496 static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 497 { 498 const char *name = drv->firmware_name; 499 500 if (strncmp(name, "iwlwifi-", 8) == 0) 501 name += 8; 502 503 return name; 504 } 505 506 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 507 const struct firmware *ucode_raw, 508 struct iwl_firmware_pieces *pieces) 509 { 510 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 511 u32 api_ver, hdr_size, build; 512 char buildstr[25]; 513 const u8 *src; 514 515 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 516 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 517 518 switch (api_ver) { 519 default: 520 hdr_size = 28; 521 if (ucode_raw->size < hdr_size) { 522 IWL_ERR(drv, "File size too small!\n"); 523 return -EINVAL; 524 } 525 build = le32_to_cpu(ucode->u.v2.build); 526 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 527 le32_to_cpu(ucode->u.v2.inst_size)); 528 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 529 le32_to_cpu(ucode->u.v2.data_size)); 530 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 531 le32_to_cpu(ucode->u.v2.init_size)); 532 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 533 le32_to_cpu(ucode->u.v2.init_data_size)); 534 src = ucode->u.v2.data; 535 break; 536 case 0: 537 case 1: 538 case 2: 539 hdr_size = 24; 540 if (ucode_raw->size < hdr_size) { 541 IWL_ERR(drv, "File size too small!\n"); 542 return -EINVAL; 543 } 544 build = 0; 545 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 546 le32_to_cpu(ucode->u.v1.inst_size)); 547 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 548 le32_to_cpu(ucode->u.v1.data_size)); 549 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 550 le32_to_cpu(ucode->u.v1.init_size)); 551 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 552 le32_to_cpu(ucode->u.v1.init_data_size)); 553 src = ucode->u.v1.data; 554 break; 555 } 556 557 if (build) 558 sprintf(buildstr, " build %u", build); 559 else 560 buildstr[0] = '\0'; 561 562 snprintf(drv->fw.fw_version, 563 sizeof(drv->fw.fw_version), 564 "%u.%u.%u.%u%s %s", 565 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 566 IWL_UCODE_MINOR(drv->fw.ucode_ver), 567 IWL_UCODE_API(drv->fw.ucode_ver), 568 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 569 buildstr, iwl_reduced_fw_name(drv)); 570 571 /* Verify size of file vs. image size info in file's header */ 572 573 if (ucode_raw->size != hdr_size + 574 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 575 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 576 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 577 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 578 579 IWL_ERR(drv, 580 "uCode file size %d does not match expected size\n", 581 (int)ucode_raw->size); 582 return -EINVAL; 583 } 584 585 586 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 587 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 588 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 589 IWLAGN_RTC_INST_LOWER_BOUND); 590 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 591 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 592 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 593 IWLAGN_RTC_DATA_LOWER_BOUND); 594 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 595 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 596 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 597 IWLAGN_RTC_INST_LOWER_BOUND); 598 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 599 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 600 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 601 IWLAGN_RTC_DATA_LOWER_BOUND); 602 return 0; 603 } 604 605 #define FW_ADDR_CACHE_CONTROL 0xC0000000 606 607 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 608 const struct firmware *ucode_raw, 609 struct iwl_firmware_pieces *pieces, 610 struct iwl_ucode_capabilities *capa, 611 bool *usniffer_images) 612 { 613 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 614 struct iwl_ucode_tlv *tlv; 615 size_t len = ucode_raw->size; 616 const u8 *data; 617 u32 tlv_len; 618 u32 usniffer_img; 619 enum iwl_ucode_tlv_type tlv_type; 620 const u8 *tlv_data; 621 char buildstr[25]; 622 u32 build, paging_mem_size; 623 int num_of_cpus; 624 bool usniffer_req = false; 625 626 if (len < sizeof(*ucode)) { 627 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 628 return -EINVAL; 629 } 630 631 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 632 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 633 le32_to_cpu(ucode->magic)); 634 return -EINVAL; 635 } 636 637 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 638 memcpy(drv->fw.human_readable, ucode->human_readable, 639 sizeof(drv->fw.human_readable)); 640 build = le32_to_cpu(ucode->build); 641 642 if (build) 643 sprintf(buildstr, " build %u", build); 644 else 645 buildstr[0] = '\0'; 646 647 snprintf(drv->fw.fw_version, 648 sizeof(drv->fw.fw_version), 649 "%u.%u.%u.%u%s %s", 650 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 651 IWL_UCODE_MINOR(drv->fw.ucode_ver), 652 IWL_UCODE_API(drv->fw.ucode_ver), 653 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 654 buildstr, iwl_reduced_fw_name(drv)); 655 656 data = ucode->data; 657 658 len -= sizeof(*ucode); 659 660 while (len >= sizeof(*tlv)) { 661 len -= sizeof(*tlv); 662 tlv = (void *)data; 663 664 tlv_len = le32_to_cpu(tlv->length); 665 tlv_type = le32_to_cpu(tlv->type); 666 tlv_data = tlv->data; 667 668 if (len < tlv_len) { 669 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 670 len, tlv_len); 671 return -EINVAL; 672 } 673 len -= ALIGN(tlv_len, 4); 674 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 675 676 switch (tlv_type) { 677 case IWL_UCODE_TLV_INST: 678 set_sec_data(pieces, IWL_UCODE_REGULAR, 679 IWL_UCODE_SECTION_INST, tlv_data); 680 set_sec_size(pieces, IWL_UCODE_REGULAR, 681 IWL_UCODE_SECTION_INST, tlv_len); 682 set_sec_offset(pieces, IWL_UCODE_REGULAR, 683 IWL_UCODE_SECTION_INST, 684 IWLAGN_RTC_INST_LOWER_BOUND); 685 break; 686 case IWL_UCODE_TLV_DATA: 687 set_sec_data(pieces, IWL_UCODE_REGULAR, 688 IWL_UCODE_SECTION_DATA, tlv_data); 689 set_sec_size(pieces, IWL_UCODE_REGULAR, 690 IWL_UCODE_SECTION_DATA, tlv_len); 691 set_sec_offset(pieces, IWL_UCODE_REGULAR, 692 IWL_UCODE_SECTION_DATA, 693 IWLAGN_RTC_DATA_LOWER_BOUND); 694 break; 695 case IWL_UCODE_TLV_INIT: 696 set_sec_data(pieces, IWL_UCODE_INIT, 697 IWL_UCODE_SECTION_INST, tlv_data); 698 set_sec_size(pieces, IWL_UCODE_INIT, 699 IWL_UCODE_SECTION_INST, tlv_len); 700 set_sec_offset(pieces, IWL_UCODE_INIT, 701 IWL_UCODE_SECTION_INST, 702 IWLAGN_RTC_INST_LOWER_BOUND); 703 break; 704 case IWL_UCODE_TLV_INIT_DATA: 705 set_sec_data(pieces, IWL_UCODE_INIT, 706 IWL_UCODE_SECTION_DATA, tlv_data); 707 set_sec_size(pieces, IWL_UCODE_INIT, 708 IWL_UCODE_SECTION_DATA, tlv_len); 709 set_sec_offset(pieces, IWL_UCODE_INIT, 710 IWL_UCODE_SECTION_DATA, 711 IWLAGN_RTC_DATA_LOWER_BOUND); 712 break; 713 case IWL_UCODE_TLV_BOOT: 714 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 715 break; 716 case IWL_UCODE_TLV_PROBE_MAX_LEN: 717 if (tlv_len != sizeof(u32)) 718 goto invalid_tlv_len; 719 capa->max_probe_length = 720 le32_to_cpup((__le32 *)tlv_data); 721 break; 722 case IWL_UCODE_TLV_PAN: 723 if (tlv_len) 724 goto invalid_tlv_len; 725 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 726 break; 727 case IWL_UCODE_TLV_FLAGS: 728 /* must be at least one u32 */ 729 if (tlv_len < sizeof(u32)) 730 goto invalid_tlv_len; 731 /* and a proper number of u32s */ 732 if (tlv_len % sizeof(u32)) 733 goto invalid_tlv_len; 734 /* 735 * This driver only reads the first u32 as 736 * right now no more features are defined, 737 * if that changes then either the driver 738 * will not work with the new firmware, or 739 * it'll not take advantage of new features. 740 */ 741 capa->flags = le32_to_cpup((__le32 *)tlv_data); 742 break; 743 case IWL_UCODE_TLV_API_CHANGES_SET: 744 if (tlv_len != sizeof(struct iwl_ucode_api)) 745 goto invalid_tlv_len; 746 iwl_set_ucode_api_flags(drv, tlv_data, capa); 747 break; 748 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 749 if (tlv_len != sizeof(struct iwl_ucode_capa)) 750 goto invalid_tlv_len; 751 iwl_set_ucode_capabilities(drv, tlv_data, capa); 752 break; 753 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 754 if (tlv_len != sizeof(u32)) 755 goto invalid_tlv_len; 756 pieces->init_evtlog_ptr = 757 le32_to_cpup((__le32 *)tlv_data); 758 break; 759 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 760 if (tlv_len != sizeof(u32)) 761 goto invalid_tlv_len; 762 pieces->init_evtlog_size = 763 le32_to_cpup((__le32 *)tlv_data); 764 break; 765 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 766 if (tlv_len != sizeof(u32)) 767 goto invalid_tlv_len; 768 pieces->init_errlog_ptr = 769 le32_to_cpup((__le32 *)tlv_data); 770 break; 771 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 772 if (tlv_len != sizeof(u32)) 773 goto invalid_tlv_len; 774 pieces->inst_evtlog_ptr = 775 le32_to_cpup((__le32 *)tlv_data); 776 break; 777 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 778 if (tlv_len != sizeof(u32)) 779 goto invalid_tlv_len; 780 pieces->inst_evtlog_size = 781 le32_to_cpup((__le32 *)tlv_data); 782 break; 783 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 784 if (tlv_len != sizeof(u32)) 785 goto invalid_tlv_len; 786 pieces->inst_errlog_ptr = 787 le32_to_cpup((__le32 *)tlv_data); 788 break; 789 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 790 if (tlv_len) 791 goto invalid_tlv_len; 792 drv->fw.enhance_sensitivity_table = true; 793 break; 794 case IWL_UCODE_TLV_WOWLAN_INST: 795 set_sec_data(pieces, IWL_UCODE_WOWLAN, 796 IWL_UCODE_SECTION_INST, tlv_data); 797 set_sec_size(pieces, IWL_UCODE_WOWLAN, 798 IWL_UCODE_SECTION_INST, tlv_len); 799 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 800 IWL_UCODE_SECTION_INST, 801 IWLAGN_RTC_INST_LOWER_BOUND); 802 break; 803 case IWL_UCODE_TLV_WOWLAN_DATA: 804 set_sec_data(pieces, IWL_UCODE_WOWLAN, 805 IWL_UCODE_SECTION_DATA, tlv_data); 806 set_sec_size(pieces, IWL_UCODE_WOWLAN, 807 IWL_UCODE_SECTION_DATA, tlv_len); 808 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 809 IWL_UCODE_SECTION_DATA, 810 IWLAGN_RTC_DATA_LOWER_BOUND); 811 break; 812 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 813 if (tlv_len != sizeof(u32)) 814 goto invalid_tlv_len; 815 capa->standard_phy_calibration_size = 816 le32_to_cpup((__le32 *)tlv_data); 817 break; 818 case IWL_UCODE_TLV_SEC_RT: 819 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 820 tlv_len); 821 drv->fw.type = IWL_FW_MVM; 822 break; 823 case IWL_UCODE_TLV_SEC_INIT: 824 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 825 tlv_len); 826 drv->fw.type = IWL_FW_MVM; 827 break; 828 case IWL_UCODE_TLV_SEC_WOWLAN: 829 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 830 tlv_len); 831 drv->fw.type = IWL_FW_MVM; 832 break; 833 case IWL_UCODE_TLV_DEF_CALIB: 834 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 835 goto invalid_tlv_len; 836 if (iwl_set_default_calib(drv, tlv_data)) 837 goto tlv_error; 838 break; 839 case IWL_UCODE_TLV_PHY_SKU: 840 if (tlv_len != sizeof(u32)) 841 goto invalid_tlv_len; 842 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 843 drv->fw.valid_tx_ant = (drv->fw.phy_config & 844 FW_PHY_CFG_TX_CHAIN) >> 845 FW_PHY_CFG_TX_CHAIN_POS; 846 drv->fw.valid_rx_ant = (drv->fw.phy_config & 847 FW_PHY_CFG_RX_CHAIN) >> 848 FW_PHY_CFG_RX_CHAIN_POS; 849 break; 850 case IWL_UCODE_TLV_SECURE_SEC_RT: 851 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 852 tlv_len); 853 drv->fw.type = IWL_FW_MVM; 854 break; 855 case IWL_UCODE_TLV_SECURE_SEC_INIT: 856 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 857 tlv_len); 858 drv->fw.type = IWL_FW_MVM; 859 break; 860 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 861 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 862 tlv_len); 863 drv->fw.type = IWL_FW_MVM; 864 break; 865 case IWL_UCODE_TLV_NUM_OF_CPU: 866 if (tlv_len != sizeof(u32)) 867 goto invalid_tlv_len; 868 num_of_cpus = 869 le32_to_cpup((__le32 *)tlv_data); 870 871 if (num_of_cpus == 2) { 872 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 873 true; 874 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 875 true; 876 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 877 true; 878 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 879 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 880 return -EINVAL; 881 } 882 break; 883 case IWL_UCODE_TLV_CSCHEME: 884 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 885 goto invalid_tlv_len; 886 break; 887 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 888 if (tlv_len != sizeof(u32)) 889 goto invalid_tlv_len; 890 capa->n_scan_channels = 891 le32_to_cpup((__le32 *)tlv_data); 892 break; 893 case IWL_UCODE_TLV_FW_VERSION: { 894 __le32 *ptr = (void *)tlv_data; 895 u32 major, minor; 896 u8 local_comp; 897 898 if (tlv_len != sizeof(u32) * 3) 899 goto invalid_tlv_len; 900 901 major = le32_to_cpup(ptr++); 902 minor = le32_to_cpup(ptr++); 903 local_comp = le32_to_cpup(ptr); 904 905 if (major >= 35) 906 snprintf(drv->fw.fw_version, 907 sizeof(drv->fw.fw_version), 908 "%u.%08x.%u %s", major, minor, 909 local_comp, iwl_reduced_fw_name(drv)); 910 else 911 snprintf(drv->fw.fw_version, 912 sizeof(drv->fw.fw_version), 913 "%u.%u.%u %s", major, minor, 914 local_comp, iwl_reduced_fw_name(drv)); 915 break; 916 } 917 case IWL_UCODE_TLV_FW_DBG_DEST: { 918 struct iwl_fw_dbg_dest_tlv *dest = NULL; 919 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 920 u8 mon_mode; 921 922 pieces->dbg_dest_ver = (u8 *)tlv_data; 923 if (*pieces->dbg_dest_ver == 1) { 924 dest = (void *)tlv_data; 925 } else if (*pieces->dbg_dest_ver == 0) { 926 dest_v1 = (void *)tlv_data; 927 } else { 928 IWL_ERR(drv, 929 "The version is %d, and it is invalid\n", 930 *pieces->dbg_dest_ver); 931 break; 932 } 933 934 if (pieces->dbg_dest_tlv_init) { 935 IWL_ERR(drv, 936 "dbg destination ignored, already exists\n"); 937 break; 938 } 939 940 pieces->dbg_dest_tlv_init = true; 941 942 if (dest_v1) { 943 pieces->dbg_dest_tlv_v1 = dest_v1; 944 mon_mode = dest_v1->monitor_mode; 945 } else { 946 pieces->dbg_dest_tlv = dest; 947 mon_mode = dest->monitor_mode; 948 } 949 950 IWL_INFO(drv, "Found debug destination: %s\n", 951 get_fw_dbg_mode_string(mon_mode)); 952 953 drv->fw.dbg.n_dest_reg = (dest_v1) ? 954 tlv_len - 955 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 956 reg_ops) : 957 tlv_len - 958 offsetof(struct iwl_fw_dbg_dest_tlv, 959 reg_ops); 960 961 drv->fw.dbg.n_dest_reg /= 962 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 963 964 break; 965 } 966 case IWL_UCODE_TLV_FW_DBG_CONF: { 967 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 968 969 if (!pieces->dbg_dest_tlv_init) { 970 IWL_ERR(drv, 971 "Ignore dbg config %d - no destination configured\n", 972 conf->id); 973 break; 974 } 975 976 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 977 IWL_ERR(drv, 978 "Skip unknown configuration: %d\n", 979 conf->id); 980 break; 981 } 982 983 if (pieces->dbg_conf_tlv[conf->id]) { 984 IWL_ERR(drv, 985 "Ignore duplicate dbg config %d\n", 986 conf->id); 987 break; 988 } 989 990 if (conf->usniffer) 991 usniffer_req = true; 992 993 IWL_INFO(drv, "Found debug configuration: %d\n", 994 conf->id); 995 996 pieces->dbg_conf_tlv[conf->id] = conf; 997 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 998 break; 999 } 1000 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 1001 struct iwl_fw_dbg_trigger_tlv *trigger = 1002 (void *)tlv_data; 1003 u32 trigger_id = le32_to_cpu(trigger->id); 1004 1005 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 1006 IWL_ERR(drv, 1007 "Skip unknown trigger: %u\n", 1008 trigger->id); 1009 break; 1010 } 1011 1012 if (pieces->dbg_trigger_tlv[trigger_id]) { 1013 IWL_ERR(drv, 1014 "Ignore duplicate dbg trigger %u\n", 1015 trigger->id); 1016 break; 1017 } 1018 1019 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1020 1021 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1022 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1023 break; 1024 } 1025 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1026 if (tlv_len != sizeof(u32)) { 1027 IWL_ERR(drv, 1028 "dbg lst mask size incorrect, skip\n"); 1029 break; 1030 } 1031 1032 drv->fw.dbg.dump_mask = 1033 le32_to_cpup((__le32 *)tlv_data); 1034 break; 1035 } 1036 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1037 *usniffer_images = true; 1038 iwl_store_ucode_sec(pieces, tlv_data, 1039 IWL_UCODE_REGULAR_USNIFFER, 1040 tlv_len); 1041 break; 1042 case IWL_UCODE_TLV_PAGING: 1043 if (tlv_len != sizeof(u32)) 1044 goto invalid_tlv_len; 1045 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1046 1047 IWL_DEBUG_FW(drv, 1048 "Paging: paging enabled (size = %u bytes)\n", 1049 paging_mem_size); 1050 1051 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1052 IWL_ERR(drv, 1053 "Paging: driver supports up to %lu bytes for paging image\n", 1054 MAX_PAGING_IMAGE_SIZE); 1055 return -EINVAL; 1056 } 1057 1058 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1059 IWL_ERR(drv, 1060 "Paging: image isn't multiple %lu\n", 1061 FW_PAGING_SIZE); 1062 return -EINVAL; 1063 } 1064 1065 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1066 paging_mem_size; 1067 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1068 drv->fw.img[usniffer_img].paging_mem_size = 1069 paging_mem_size; 1070 break; 1071 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1072 /* ignored */ 1073 break; 1074 case IWL_UCODE_TLV_FW_MEM_SEG: { 1075 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1076 (void *)tlv_data; 1077 size_t size; 1078 struct iwl_fw_dbg_mem_seg_tlv *n; 1079 1080 if (tlv_len != (sizeof(*dbg_mem))) 1081 goto invalid_tlv_len; 1082 1083 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1084 dbg_mem->data_type); 1085 1086 size = sizeof(*pieces->dbg_mem_tlv) * 1087 (pieces->n_mem_tlv + 1); 1088 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1089 if (!n) 1090 return -ENOMEM; 1091 pieces->dbg_mem_tlv = n; 1092 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1093 pieces->n_mem_tlv++; 1094 break; 1095 } 1096 case IWL_UCODE_TLV_IML: { 1097 drv->fw.iml_len = tlv_len; 1098 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1099 if (!drv->fw.iml) 1100 return -ENOMEM; 1101 break; 1102 } 1103 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1104 struct { 1105 __le32 buf_addr; 1106 __le32 buf_size; 1107 } *recov_info = (void *)tlv_data; 1108 1109 if (tlv_len != sizeof(*recov_info)) 1110 goto invalid_tlv_len; 1111 capa->error_log_addr = 1112 le32_to_cpu(recov_info->buf_addr); 1113 capa->error_log_size = 1114 le32_to_cpu(recov_info->buf_size); 1115 } 1116 break; 1117 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1118 struct { 1119 u8 version[32]; 1120 u8 sha1[20]; 1121 } *fseq_ver = (void *)tlv_data; 1122 1123 if (tlv_len != sizeof(*fseq_ver)) 1124 goto invalid_tlv_len; 1125 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1126 fseq_ver->version); 1127 } 1128 break; 1129 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1130 struct iwl_umac_debug_addrs *dbg_ptrs = 1131 (void *)tlv_data; 1132 1133 if (tlv_len != sizeof(*dbg_ptrs)) 1134 goto invalid_tlv_len; 1135 if (drv->trans->trans_cfg->device_family < 1136 IWL_DEVICE_FAMILY_22000) 1137 break; 1138 drv->trans->dbg.umac_error_event_table = 1139 le32_to_cpu(dbg_ptrs->error_info_addr) & 1140 ~FW_ADDR_CACHE_CONTROL; 1141 drv->trans->dbg.error_event_table_tlv_status |= 1142 IWL_ERROR_EVENT_TABLE_UMAC; 1143 break; 1144 } 1145 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1146 struct iwl_lmac_debug_addrs *dbg_ptrs = 1147 (void *)tlv_data; 1148 1149 if (tlv_len != sizeof(*dbg_ptrs)) 1150 goto invalid_tlv_len; 1151 if (drv->trans->trans_cfg->device_family < 1152 IWL_DEVICE_FAMILY_22000) 1153 break; 1154 drv->trans->dbg.lmac_error_event_table[0] = 1155 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1156 ~FW_ADDR_CACHE_CONTROL; 1157 drv->trans->dbg.error_event_table_tlv_status |= 1158 IWL_ERROR_EVENT_TABLE_LMAC1; 1159 break; 1160 } 1161 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1162 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1163 case IWL_UCODE_TLV_TYPE_HCMD: 1164 case IWL_UCODE_TLV_TYPE_REGIONS: 1165 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1166 if (iwlwifi_mod_params.enable_ini) 1167 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1168 break; 1169 case IWL_UCODE_TLV_CMD_VERSIONS: 1170 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1171 IWL_ERR(drv, 1172 "Invalid length for command versions: %u\n", 1173 tlv_len); 1174 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1175 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1176 } 1177 if (WARN_ON(capa->cmd_versions)) 1178 return -EINVAL; 1179 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1180 GFP_KERNEL); 1181 if (!capa->cmd_versions) 1182 return -ENOMEM; 1183 capa->n_cmd_versions = 1184 tlv_len / sizeof(struct iwl_fw_cmd_version); 1185 break; 1186 default: 1187 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1188 break; 1189 } 1190 } 1191 1192 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1193 usniffer_req && !*usniffer_images) { 1194 IWL_ERR(drv, 1195 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1196 return -EINVAL; 1197 } 1198 1199 if (len) { 1200 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1201 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1202 return -EINVAL; 1203 } 1204 1205 return 0; 1206 1207 invalid_tlv_len: 1208 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1209 tlv_error: 1210 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1211 1212 return -EINVAL; 1213 } 1214 1215 static int iwl_alloc_ucode(struct iwl_drv *drv, 1216 struct iwl_firmware_pieces *pieces, 1217 enum iwl_ucode_type type) 1218 { 1219 int i; 1220 struct fw_desc *sec; 1221 1222 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1223 if (!sec) 1224 return -ENOMEM; 1225 drv->fw.img[type].sec = sec; 1226 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1227 1228 for (i = 0; i < pieces->img[type].sec_counter; i++) 1229 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1230 return -ENOMEM; 1231 1232 return 0; 1233 } 1234 1235 static int validate_sec_sizes(struct iwl_drv *drv, 1236 struct iwl_firmware_pieces *pieces, 1237 const struct iwl_cfg *cfg) 1238 { 1239 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1240 get_sec_size(pieces, IWL_UCODE_REGULAR, 1241 IWL_UCODE_SECTION_INST)); 1242 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1243 get_sec_size(pieces, IWL_UCODE_REGULAR, 1244 IWL_UCODE_SECTION_DATA)); 1245 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1246 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1247 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1248 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1249 1250 /* Verify that uCode images will fit in card's SRAM. */ 1251 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1252 cfg->max_inst_size) { 1253 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1254 get_sec_size(pieces, IWL_UCODE_REGULAR, 1255 IWL_UCODE_SECTION_INST)); 1256 return -1; 1257 } 1258 1259 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1260 cfg->max_data_size) { 1261 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1262 get_sec_size(pieces, IWL_UCODE_REGULAR, 1263 IWL_UCODE_SECTION_DATA)); 1264 return -1; 1265 } 1266 1267 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1268 cfg->max_inst_size) { 1269 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1270 get_sec_size(pieces, IWL_UCODE_INIT, 1271 IWL_UCODE_SECTION_INST)); 1272 return -1; 1273 } 1274 1275 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1276 cfg->max_data_size) { 1277 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1278 get_sec_size(pieces, IWL_UCODE_REGULAR, 1279 IWL_UCODE_SECTION_DATA)); 1280 return -1; 1281 } 1282 return 0; 1283 } 1284 1285 static struct iwl_op_mode * 1286 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1287 { 1288 const struct iwl_op_mode_ops *ops = op->ops; 1289 struct dentry *dbgfs_dir = NULL; 1290 struct iwl_op_mode *op_mode = NULL; 1291 1292 #ifdef CONFIG_IWLWIFI_DEBUGFS 1293 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1294 drv->dbgfs_drv); 1295 dbgfs_dir = drv->dbgfs_op_mode; 1296 #endif 1297 1298 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1299 1300 #ifdef CONFIG_IWLWIFI_DEBUGFS 1301 if (!op_mode) { 1302 debugfs_remove_recursive(drv->dbgfs_op_mode); 1303 drv->dbgfs_op_mode = NULL; 1304 } 1305 #endif 1306 1307 return op_mode; 1308 } 1309 1310 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1311 { 1312 /* op_mode can be NULL if its start failed */ 1313 if (drv->op_mode) { 1314 iwl_op_mode_stop(drv->op_mode); 1315 drv->op_mode = NULL; 1316 1317 #ifdef CONFIG_IWLWIFI_DEBUGFS 1318 debugfs_remove_recursive(drv->dbgfs_op_mode); 1319 drv->dbgfs_op_mode = NULL; 1320 #endif 1321 } 1322 } 1323 1324 /** 1325 * iwl_req_fw_callback - callback when firmware was loaded 1326 * 1327 * If loaded successfully, copies the firmware into buffers 1328 * for the card to fetch (via DMA). 1329 */ 1330 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1331 { 1332 struct iwl_drv *drv = context; 1333 struct iwl_fw *fw = &drv->fw; 1334 struct iwl_ucode_header *ucode; 1335 struct iwlwifi_opmode_table *op; 1336 int err; 1337 struct iwl_firmware_pieces *pieces; 1338 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1339 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1340 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1341 u32 api_ver; 1342 int i; 1343 bool load_module = false; 1344 bool usniffer_images = false; 1345 1346 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1347 fw->ucode_capa.standard_phy_calibration_size = 1348 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1349 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1350 /* dump all fw memory areas by default */ 1351 fw->dbg.dump_mask = 0xffffffff; 1352 1353 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1354 if (!pieces) 1355 goto out_free_fw; 1356 1357 if (!ucode_raw) 1358 goto try_again; 1359 1360 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1361 drv->firmware_name, ucode_raw->size); 1362 1363 /* Make sure that we got at least the API version number */ 1364 if (ucode_raw->size < 4) { 1365 IWL_ERR(drv, "File size way too small!\n"); 1366 goto try_again; 1367 } 1368 1369 /* Data from ucode file: header followed by uCode images */ 1370 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1371 1372 if (ucode->ver) 1373 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1374 else 1375 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1376 &fw->ucode_capa, &usniffer_images); 1377 1378 if (err) 1379 goto try_again; 1380 1381 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1382 api_ver = drv->fw.ucode_ver; 1383 else 1384 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1385 1386 /* 1387 * api_ver should match the api version forming part of the 1388 * firmware filename ... but we don't check for that and only rely 1389 * on the API version read from firmware header from here on forward 1390 */ 1391 if (api_ver < api_min || api_ver > api_max) { 1392 IWL_ERR(drv, 1393 "Driver unable to support your firmware API. " 1394 "Driver supports v%u, firmware is v%u.\n", 1395 api_max, api_ver); 1396 goto try_again; 1397 } 1398 1399 /* 1400 * In mvm uCode there is no difference between data and instructions 1401 * sections. 1402 */ 1403 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1404 drv->trans->cfg)) 1405 goto try_again; 1406 1407 /* Allocate ucode buffers for card's bus-master loading ... */ 1408 1409 /* Runtime instructions and 2 copies of data: 1410 * 1) unmodified from disk 1411 * 2) backup cache for save/restore during power-downs 1412 */ 1413 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1414 if (iwl_alloc_ucode(drv, pieces, i)) 1415 goto out_free_fw; 1416 1417 if (pieces->dbg_dest_tlv_init) { 1418 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1419 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1420 drv->fw.dbg.n_dest_reg; 1421 1422 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1423 1424 if (!drv->fw.dbg.dest_tlv) 1425 goto out_free_fw; 1426 1427 if (*pieces->dbg_dest_ver == 0) { 1428 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1429 dbg_dest_size); 1430 } else { 1431 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1432 drv->fw.dbg.dest_tlv; 1433 1434 dest_tlv->version = pieces->dbg_dest_tlv->version; 1435 dest_tlv->monitor_mode = 1436 pieces->dbg_dest_tlv->monitor_mode; 1437 dest_tlv->size_power = 1438 pieces->dbg_dest_tlv->size_power; 1439 dest_tlv->wrap_count = 1440 pieces->dbg_dest_tlv->wrap_count; 1441 dest_tlv->write_ptr_reg = 1442 pieces->dbg_dest_tlv->write_ptr_reg; 1443 dest_tlv->base_shift = 1444 pieces->dbg_dest_tlv->base_shift; 1445 memcpy(dest_tlv->reg_ops, 1446 pieces->dbg_dest_tlv->reg_ops, 1447 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1448 drv->fw.dbg.n_dest_reg); 1449 1450 /* In version 1 of the destination tlv, which is 1451 * relevant for internal buffer exclusively, 1452 * the base address is part of given with the length 1453 * of the buffer, and the size shift is give instead of 1454 * end shift. We now store these values in base_reg, 1455 * and end shift, and when dumping the data we'll 1456 * manipulate it for extracting both the length and 1457 * base address */ 1458 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1459 dest_tlv->end_shift = 1460 pieces->dbg_dest_tlv->size_shift; 1461 } 1462 } 1463 1464 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1465 if (pieces->dbg_conf_tlv[i]) { 1466 drv->fw.dbg.conf_tlv[i] = 1467 kmemdup(pieces->dbg_conf_tlv[i], 1468 pieces->dbg_conf_tlv_len[i], 1469 GFP_KERNEL); 1470 if (!pieces->dbg_conf_tlv_len[i]) 1471 goto out_free_fw; 1472 } 1473 } 1474 1475 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1476 1477 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1478 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1479 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1480 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1481 sizeof(struct iwl_fw_dbg_trigger_cmd); 1482 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1483 sizeof(struct iwl_fw_dbg_trigger_mlme); 1484 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1485 sizeof(struct iwl_fw_dbg_trigger_stats); 1486 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1487 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1488 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1489 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1490 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1491 sizeof(struct iwl_fw_dbg_trigger_time_event); 1492 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1493 sizeof(struct iwl_fw_dbg_trigger_ba); 1494 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1495 sizeof(struct iwl_fw_dbg_trigger_tdls); 1496 1497 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1498 if (pieces->dbg_trigger_tlv[i]) { 1499 /* 1500 * If the trigger isn't long enough, WARN and exit. 1501 * Someone is trying to debug something and he won't 1502 * be able to catch the bug he is trying to chase. 1503 * We'd better be noisy to be sure he knows what's 1504 * going on. 1505 */ 1506 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1507 (trigger_tlv_sz[i] + 1508 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1509 goto out_free_fw; 1510 drv->fw.dbg.trigger_tlv_len[i] = 1511 pieces->dbg_trigger_tlv_len[i]; 1512 drv->fw.dbg.trigger_tlv[i] = 1513 kmemdup(pieces->dbg_trigger_tlv[i], 1514 drv->fw.dbg.trigger_tlv_len[i], 1515 GFP_KERNEL); 1516 if (!drv->fw.dbg.trigger_tlv[i]) 1517 goto out_free_fw; 1518 } 1519 } 1520 1521 /* Now that we can no longer fail, copy information */ 1522 1523 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1524 pieces->dbg_mem_tlv = NULL; 1525 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1526 1527 /* 1528 * The (size - 16) / 12 formula is based on the information recorded 1529 * for each event, which is of mode 1 (including timestamp) for all 1530 * new microcodes that include this information. 1531 */ 1532 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1533 if (pieces->init_evtlog_size) 1534 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1535 else 1536 fw->init_evtlog_size = 1537 drv->trans->trans_cfg->base_params->max_event_log_size; 1538 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1539 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1540 if (pieces->inst_evtlog_size) 1541 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1542 else 1543 fw->inst_evtlog_size = 1544 drv->trans->trans_cfg->base_params->max_event_log_size; 1545 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1546 1547 /* 1548 * figure out the offset of chain noise reset and gain commands 1549 * base on the size of standard phy calibration commands table size 1550 */ 1551 if (fw->ucode_capa.standard_phy_calibration_size > 1552 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1553 fw->ucode_capa.standard_phy_calibration_size = 1554 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1555 1556 /* We have our copies now, allow OS release its copies */ 1557 release_firmware(ucode_raw); 1558 1559 mutex_lock(&iwlwifi_opmode_table_mtx); 1560 switch (fw->type) { 1561 case IWL_FW_DVM: 1562 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1563 break; 1564 default: 1565 WARN(1, "Invalid fw type %d\n", fw->type); 1566 /* fall through */ 1567 case IWL_FW_MVM: 1568 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1569 break; 1570 } 1571 1572 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1573 drv->fw.fw_version, op->name); 1574 1575 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1576 1577 /* add this device to the list of devices using this op_mode */ 1578 list_add_tail(&drv->list, &op->drv); 1579 1580 if (op->ops) { 1581 drv->op_mode = _iwl_op_mode_start(drv, op); 1582 1583 if (!drv->op_mode) { 1584 mutex_unlock(&iwlwifi_opmode_table_mtx); 1585 goto out_unbind; 1586 } 1587 } else { 1588 load_module = true; 1589 } 1590 mutex_unlock(&iwlwifi_opmode_table_mtx); 1591 1592 /* 1593 * Complete the firmware request last so that 1594 * a driver unbind (stop) doesn't run while we 1595 * are doing the start() above. 1596 */ 1597 complete(&drv->request_firmware_complete); 1598 1599 /* 1600 * Load the module last so we don't block anything 1601 * else from proceeding if the module fails to load 1602 * or hangs loading. 1603 */ 1604 if (load_module) { 1605 request_module("%s", op->name); 1606 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1607 if (err) 1608 IWL_ERR(drv, 1609 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1610 op->name, err); 1611 #endif 1612 } 1613 goto free; 1614 1615 try_again: 1616 /* try next, if any */ 1617 release_firmware(ucode_raw); 1618 if (iwl_request_firmware(drv, false)) 1619 goto out_unbind; 1620 goto free; 1621 1622 out_free_fw: 1623 release_firmware(ucode_raw); 1624 out_unbind: 1625 complete(&drv->request_firmware_complete); 1626 device_release_driver(drv->trans->dev); 1627 free: 1628 if (pieces) { 1629 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1630 kfree(pieces->img[i].sec); 1631 kfree(pieces->dbg_mem_tlv); 1632 kfree(pieces); 1633 } 1634 } 1635 1636 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1637 { 1638 struct iwl_drv *drv; 1639 int ret; 1640 1641 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1642 if (!drv) { 1643 ret = -ENOMEM; 1644 goto err; 1645 } 1646 1647 drv->trans = trans; 1648 drv->dev = trans->dev; 1649 1650 init_completion(&drv->request_firmware_complete); 1651 INIT_LIST_HEAD(&drv->list); 1652 1653 #ifdef CONFIG_IWLWIFI_DEBUGFS 1654 /* Create the device debugfs entries. */ 1655 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1656 iwl_dbgfs_root); 1657 1658 /* Create transport layer debugfs dir */ 1659 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1660 #endif 1661 1662 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1663 1664 ret = iwl_request_firmware(drv, true); 1665 if (ret) { 1666 IWL_ERR(trans, "Couldn't request the fw\n"); 1667 goto err_fw; 1668 } 1669 1670 return drv; 1671 1672 err_fw: 1673 #ifdef CONFIG_IWLWIFI_DEBUGFS 1674 debugfs_remove_recursive(drv->dbgfs_drv); 1675 iwl_dbg_tlv_free(drv->trans); 1676 #endif 1677 kfree(drv); 1678 err: 1679 return ERR_PTR(ret); 1680 } 1681 1682 void iwl_drv_stop(struct iwl_drv *drv) 1683 { 1684 wait_for_completion(&drv->request_firmware_complete); 1685 1686 _iwl_op_mode_stop(drv); 1687 1688 iwl_dealloc_ucode(drv); 1689 1690 mutex_lock(&iwlwifi_opmode_table_mtx); 1691 /* 1692 * List is empty (this item wasn't added) 1693 * when firmware loading failed -- in that 1694 * case we can't remove it from any list. 1695 */ 1696 if (!list_empty(&drv->list)) 1697 list_del(&drv->list); 1698 mutex_unlock(&iwlwifi_opmode_table_mtx); 1699 1700 #ifdef CONFIG_IWLWIFI_DEBUGFS 1701 drv->trans->ops->debugfs_cleanup(drv->trans); 1702 1703 debugfs_remove_recursive(drv->dbgfs_drv); 1704 #endif 1705 1706 iwl_dbg_tlv_free(drv->trans); 1707 1708 kfree(drv); 1709 } 1710 1711 1712 /* shared module parameters */ 1713 struct iwl_mod_params iwlwifi_mod_params = { 1714 .fw_restart = true, 1715 .bt_coex_active = true, 1716 .power_level = IWL_POWER_INDEX_1, 1717 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1718 /* the rest are 0 by default */ 1719 }; 1720 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1721 1722 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1723 { 1724 int i; 1725 struct iwl_drv *drv; 1726 struct iwlwifi_opmode_table *op; 1727 1728 mutex_lock(&iwlwifi_opmode_table_mtx); 1729 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1730 op = &iwlwifi_opmode_table[i]; 1731 if (strcmp(op->name, name)) 1732 continue; 1733 op->ops = ops; 1734 /* TODO: need to handle exceptional case */ 1735 list_for_each_entry(drv, &op->drv, list) 1736 drv->op_mode = _iwl_op_mode_start(drv, op); 1737 1738 mutex_unlock(&iwlwifi_opmode_table_mtx); 1739 return 0; 1740 } 1741 mutex_unlock(&iwlwifi_opmode_table_mtx); 1742 return -EIO; 1743 } 1744 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1745 1746 void iwl_opmode_deregister(const char *name) 1747 { 1748 int i; 1749 struct iwl_drv *drv; 1750 1751 mutex_lock(&iwlwifi_opmode_table_mtx); 1752 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1753 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1754 continue; 1755 iwlwifi_opmode_table[i].ops = NULL; 1756 1757 /* call the stop routine for all devices */ 1758 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1759 _iwl_op_mode_stop(drv); 1760 1761 mutex_unlock(&iwlwifi_opmode_table_mtx); 1762 return; 1763 } 1764 mutex_unlock(&iwlwifi_opmode_table_mtx); 1765 } 1766 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1767 1768 static int __init iwl_drv_init(void) 1769 { 1770 int i, err; 1771 1772 mutex_init(&iwlwifi_opmode_table_mtx); 1773 1774 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1775 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1776 1777 pr_info(DRV_DESCRIPTION "\n"); 1778 pr_info(DRV_COPYRIGHT "\n"); 1779 1780 #ifdef CONFIG_IWLWIFI_DEBUGFS 1781 /* Create the root of iwlwifi debugfs subsystem. */ 1782 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1783 #endif 1784 1785 err = iwl_pci_register_driver(); 1786 if (err) 1787 goto cleanup_debugfs; 1788 1789 return 0; 1790 1791 cleanup_debugfs: 1792 #ifdef CONFIG_IWLWIFI_DEBUGFS 1793 debugfs_remove_recursive(iwl_dbgfs_root); 1794 #endif 1795 return err; 1796 } 1797 module_init(iwl_drv_init); 1798 1799 static void __exit iwl_drv_exit(void) 1800 { 1801 iwl_pci_unregister_driver(); 1802 1803 #ifdef CONFIG_IWLWIFI_DEBUGFS 1804 debugfs_remove_recursive(iwl_dbgfs_root); 1805 #endif 1806 } 1807 module_exit(iwl_drv_exit); 1808 1809 #ifdef CONFIG_IWLWIFI_DEBUG 1810 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1811 MODULE_PARM_DESC(debug, "debug output mask"); 1812 #endif 1813 1814 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1815 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1816 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1817 MODULE_PARM_DESC(11n_disable, 1818 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1819 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1820 MODULE_PARM_DESC(amsdu_size, 1821 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1822 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)"); 1823 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1824 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1825 1826 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1827 int, 0444); 1828 MODULE_PARM_DESC(antenna_coupling, 1829 "specify antenna coupling in dB (default: 0 dB)"); 1830 1831 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1832 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1833 1834 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1835 MODULE_PARM_DESC(uapsd_disable, 1836 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1837 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1838 bool, S_IRUGO | S_IWUSR); 1839 MODULE_PARM_DESC(enable_ini, 1840 "Enable debug INI TLV FW debug infrastructure (default: 0"); 1841 1842 /* 1843 * set bt_coex_active to true, uCode will do kill/defer 1844 * every time the priority line is asserted (BT is sending signals on the 1845 * priority line in the PCIx). 1846 * set bt_coex_active to false, uCode will ignore the BT activity and 1847 * perform the normal operation 1848 * 1849 * User might experience transmit issue on some platform due to WiFi/BT 1850 * co-exist problem. The possible behaviors are: 1851 * Able to scan and finding all the available AP 1852 * Not able to associate with any AP 1853 * On those platforms, WiFi communication can be restored by set 1854 * "bt_coex_active" module parameter to "false" 1855 * 1856 * default: bt_coex_active = true (BT_COEX_ENABLE) 1857 */ 1858 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1859 bool, 0444); 1860 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1861 1862 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1863 MODULE_PARM_DESC(led_mode, "0=system default, " 1864 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1865 1866 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1867 MODULE_PARM_DESC(power_save, 1868 "enable WiFi power management (default: disable)"); 1869 1870 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1871 MODULE_PARM_DESC(power_level, 1872 "default power save level (range from 1 - 5, default: 1)"); 1873 1874 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444); 1875 MODULE_PARM_DESC(fw_monitor, 1876 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1877 1878 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1879 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1880 1881 module_param_named(remove_when_gone, 1882 iwlwifi_mod_params.remove_when_gone, bool, 1883 0444); 1884 MODULE_PARM_DESC(remove_when_gone, 1885 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1886 1887 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1888 S_IRUGO); 1889 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1890