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