1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * The full GNU General Public License is included in this distribution 22 * in the file called COPYING. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <linuxwifi@intel.com> 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27 * 28 * BSD LICENSE 29 * 30 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 31 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 32 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 39 * * Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * * Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in 43 * the documentation and/or other materials provided with the 44 * distribution. 45 * * Neither the name Intel Corporation nor the names of its 46 * contributors may be used to endorse or promote products derived 47 * from this software without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60 * 61 *****************************************************************************/ 62 #include <linux/completion.h> 63 #include <linux/dma-mapping.h> 64 #include <linux/firmware.h> 65 #include <linux/module.h> 66 #include <linux/vmalloc.h> 67 68 #include "iwl-drv.h" 69 #include "iwl-csr.h" 70 #include "iwl-debug.h" 71 #include "iwl-trans.h" 72 #include "iwl-op-mode.h" 73 #include "iwl-agn-hw.h" 74 #include "fw/img.h" 75 #include "iwl-dbg-tlv.h" 76 #include "iwl-config.h" 77 #include "iwl-modparams.h" 78 79 /****************************************************************************** 80 * 81 * module boiler plate 82 * 83 ******************************************************************************/ 84 85 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 86 MODULE_DESCRIPTION(DRV_DESCRIPTION); 87 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 88 MODULE_LICENSE("GPL"); 89 90 #ifdef CONFIG_IWLWIFI_DEBUGFS 91 static struct dentry *iwl_dbgfs_root; 92 #endif 93 94 /** 95 * struct iwl_drv - drv common data 96 * @list: list of drv structures using this opmode 97 * @fw: the iwl_fw structure 98 * @op_mode: the running op_mode 99 * @trans: transport layer 100 * @dev: for debug prints only 101 * @fw_index: firmware revision to try loading 102 * @firmware_name: composite filename of ucode file to load 103 * @request_firmware_complete: the firmware has been obtained from user space 104 */ 105 struct iwl_drv { 106 struct list_head list; 107 struct iwl_fw fw; 108 109 struct iwl_op_mode *op_mode; 110 struct iwl_trans *trans; 111 struct device *dev; 112 113 int fw_index; /* firmware we're trying to load */ 114 char firmware_name[64]; /* name of firmware file to load */ 115 116 struct completion request_firmware_complete; 117 118 #ifdef CONFIG_IWLWIFI_DEBUGFS 119 struct dentry *dbgfs_drv; 120 struct dentry *dbgfs_trans; 121 struct dentry *dbgfs_op_mode; 122 #endif 123 }; 124 125 enum { 126 DVM_OP_MODE, 127 MVM_OP_MODE, 128 }; 129 130 /* Protects the table contents, i.e. the ops pointer & drv list */ 131 static struct mutex iwlwifi_opmode_table_mtx; 132 static struct iwlwifi_opmode_table { 133 const char *name; /* name: iwldvm, iwlmvm, etc */ 134 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 135 struct list_head drv; /* list of devices using this op_mode */ 136 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 137 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 138 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 139 }; 140 141 #define IWL_DEFAULT_SCAN_CHANNELS 40 142 143 /* 144 * struct fw_sec: Just for the image parsing process. 145 * For the fw storage we are using struct fw_desc. 146 */ 147 struct fw_sec { 148 const void *data; /* the sec data */ 149 size_t size; /* section size */ 150 u32 offset; /* offset of writing in the device */ 151 }; 152 153 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 154 { 155 vfree(desc->data); 156 desc->data = NULL; 157 desc->len = 0; 158 } 159 160 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 161 { 162 int i; 163 for (i = 0; i < img->num_sec; i++) 164 iwl_free_fw_desc(drv, &img->sec[i]); 165 kfree(img->sec); 166 } 167 168 static void iwl_dealloc_ucode(struct iwl_drv *drv) 169 { 170 int i; 171 172 kfree(drv->fw.dbg.dest_tlv); 173 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 174 kfree(drv->fw.dbg.conf_tlv[i]); 175 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 176 kfree(drv->fw.dbg.trigger_tlv[i]); 177 kfree(drv->fw.dbg.mem_tlv); 178 kfree(drv->fw.iml); 179 180 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 181 iwl_free_fw_img(drv, drv->fw.img + i); 182 } 183 184 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 185 struct fw_sec *sec) 186 { 187 void *data; 188 189 desc->data = NULL; 190 191 if (!sec || !sec->size) 192 return -EINVAL; 193 194 data = vmalloc(sec->size); 195 if (!data) 196 return -ENOMEM; 197 198 desc->len = sec->size; 199 desc->offset = sec->offset; 200 memcpy(data, sec->data, desc->len); 201 desc->data = data; 202 203 return 0; 204 } 205 206 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 207 void *context); 208 209 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 210 { 211 const struct iwl_cfg *cfg = drv->trans->cfg; 212 char tag[8]; 213 const char *fw_pre_name; 214 215 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 && 216 (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP || 217 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP)) 218 fw_pre_name = cfg->fw_name_pre_b_or_c_step; 219 else if (drv->trans->cfg->integrated && 220 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP && 221 cfg->fw_name_pre_rf_next_step) 222 fw_pre_name = cfg->fw_name_pre_rf_next_step; 223 else 224 fw_pre_name = cfg->fw_name_pre; 225 226 if (first) { 227 drv->fw_index = cfg->ucode_api_max; 228 sprintf(tag, "%d", drv->fw_index); 229 } else { 230 drv->fw_index--; 231 sprintf(tag, "%d", drv->fw_index); 232 } 233 234 if (drv->fw_index < cfg->ucode_api_min) { 235 IWL_ERR(drv, "no suitable firmware found!\n"); 236 237 if (cfg->ucode_api_min == cfg->ucode_api_max) { 238 IWL_ERR(drv, "%s%d is required\n", fw_pre_name, 239 cfg->ucode_api_max); 240 } else { 241 IWL_ERR(drv, "minimum version required: %s%d\n", 242 fw_pre_name, 243 cfg->ucode_api_min); 244 IWL_ERR(drv, "maximum version supported: %s%d\n", 245 fw_pre_name, 246 cfg->ucode_api_max); 247 } 248 249 IWL_ERR(drv, 250 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 251 return -ENOENT; 252 } 253 254 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 255 fw_pre_name, tag); 256 257 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 258 drv->firmware_name); 259 260 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 261 drv->trans->dev, 262 GFP_KERNEL, drv, iwl_req_fw_callback); 263 } 264 265 struct fw_img_parsing { 266 struct fw_sec *sec; 267 int sec_counter; 268 }; 269 270 /* 271 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 272 */ 273 struct fw_sec_parsing { 274 __le32 offset; 275 const u8 data[]; 276 } __packed; 277 278 /** 279 * struct iwl_tlv_calib_data - parse the default calib data from TLV 280 * 281 * @ucode_type: the uCode to which the following default calib relates. 282 * @calib: default calibrations. 283 */ 284 struct iwl_tlv_calib_data { 285 __le32 ucode_type; 286 struct iwl_tlv_calib_ctrl calib; 287 } __packed; 288 289 struct iwl_firmware_pieces { 290 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 291 292 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 293 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 294 295 /* FW debug data parsed for driver usage */ 296 bool dbg_dest_tlv_init; 297 u8 *dbg_dest_ver; 298 union { 299 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 300 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 301 }; 302 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 303 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 304 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 305 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 306 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 307 size_t n_mem_tlv; 308 }; 309 310 /* 311 * These functions are just to extract uCode section data from the pieces 312 * structure. 313 */ 314 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 315 enum iwl_ucode_type type, 316 int sec) 317 { 318 return &pieces->img[type].sec[sec]; 319 } 320 321 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 322 enum iwl_ucode_type type, 323 int sec) 324 { 325 struct fw_img_parsing *img = &pieces->img[type]; 326 struct fw_sec *sec_memory; 327 int size = sec + 1; 328 size_t alloc_size = sizeof(*img->sec) * size; 329 330 if (img->sec && img->sec_counter >= size) 331 return; 332 333 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 334 if (!sec_memory) 335 return; 336 337 img->sec = sec_memory; 338 img->sec_counter = size; 339 } 340 341 static void set_sec_data(struct iwl_firmware_pieces *pieces, 342 enum iwl_ucode_type type, 343 int sec, 344 const void *data) 345 { 346 alloc_sec_data(pieces, type, sec); 347 348 pieces->img[type].sec[sec].data = data; 349 } 350 351 static void set_sec_size(struct iwl_firmware_pieces *pieces, 352 enum iwl_ucode_type type, 353 int sec, 354 size_t size) 355 { 356 alloc_sec_data(pieces, type, sec); 357 358 pieces->img[type].sec[sec].size = size; 359 } 360 361 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 362 enum iwl_ucode_type type, 363 int sec) 364 { 365 return pieces->img[type].sec[sec].size; 366 } 367 368 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 369 enum iwl_ucode_type type, 370 int sec, 371 u32 offset) 372 { 373 alloc_sec_data(pieces, type, sec); 374 375 pieces->img[type].sec[sec].offset = offset; 376 } 377 378 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 379 { 380 int i, j; 381 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 382 struct iwl_fw_cipher_scheme *fwcs; 383 384 if (len < sizeof(*l) || 385 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 386 return -EINVAL; 387 388 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 389 fwcs = &l->cs[j]; 390 391 /* we skip schemes with zero cipher suite selector */ 392 if (!fwcs->cipher) 393 continue; 394 395 fw->cs[j++] = *fwcs; 396 } 397 398 return 0; 399 } 400 401 /* 402 * Gets uCode section from tlv. 403 */ 404 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 405 const void *data, enum iwl_ucode_type type, 406 int size) 407 { 408 struct fw_img_parsing *img; 409 struct fw_sec *sec; 410 struct fw_sec_parsing *sec_parse; 411 size_t alloc_size; 412 413 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 414 return -1; 415 416 sec_parse = (struct fw_sec_parsing *)data; 417 418 img = &pieces->img[type]; 419 420 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 421 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 422 if (!sec) 423 return -ENOMEM; 424 img->sec = sec; 425 426 sec = &img->sec[img->sec_counter]; 427 428 sec->offset = le32_to_cpu(sec_parse->offset); 429 sec->data = sec_parse->data; 430 sec->size = size - sizeof(sec_parse->offset); 431 432 ++img->sec_counter; 433 434 return 0; 435 } 436 437 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 438 { 439 struct iwl_tlv_calib_data *def_calib = 440 (struct iwl_tlv_calib_data *)data; 441 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 442 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 443 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 444 ucode_type); 445 return -EINVAL; 446 } 447 drv->fw.default_calib[ucode_type].flow_trigger = 448 def_calib->calib.flow_trigger; 449 drv->fw.default_calib[ucode_type].event_trigger = 450 def_calib->calib.event_trigger; 451 452 return 0; 453 } 454 455 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 456 struct iwl_ucode_capabilities *capa) 457 { 458 const struct iwl_ucode_api *ucode_api = (void *)data; 459 u32 api_index = le32_to_cpu(ucode_api->api_index); 460 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 461 int i; 462 463 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 464 IWL_WARN(drv, 465 "api flags index %d larger than supported by driver\n", 466 api_index); 467 return; 468 } 469 470 for (i = 0; i < 32; i++) { 471 if (api_flags & BIT(i)) 472 __set_bit(i + 32 * api_index, capa->_api); 473 } 474 } 475 476 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 477 struct iwl_ucode_capabilities *capa) 478 { 479 const struct iwl_ucode_capa *ucode_capa = (void *)data; 480 u32 api_index = le32_to_cpu(ucode_capa->api_index); 481 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 482 int i; 483 484 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 485 IWL_WARN(drv, 486 "capa flags index %d larger than supported by driver\n", 487 api_index); 488 return; 489 } 490 491 for (i = 0; i < 32; i++) { 492 if (api_flags & BIT(i)) 493 __set_bit(i + 32 * api_index, capa->_capa); 494 } 495 } 496 497 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 498 const struct firmware *ucode_raw, 499 struct iwl_firmware_pieces *pieces) 500 { 501 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 502 u32 api_ver, hdr_size, build; 503 char buildstr[25]; 504 const u8 *src; 505 506 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 507 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 508 509 switch (api_ver) { 510 default: 511 hdr_size = 28; 512 if (ucode_raw->size < hdr_size) { 513 IWL_ERR(drv, "File size too small!\n"); 514 return -EINVAL; 515 } 516 build = le32_to_cpu(ucode->u.v2.build); 517 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 518 le32_to_cpu(ucode->u.v2.inst_size)); 519 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 520 le32_to_cpu(ucode->u.v2.data_size)); 521 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 522 le32_to_cpu(ucode->u.v2.init_size)); 523 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 524 le32_to_cpu(ucode->u.v2.init_data_size)); 525 src = ucode->u.v2.data; 526 break; 527 case 0: 528 case 1: 529 case 2: 530 hdr_size = 24; 531 if (ucode_raw->size < hdr_size) { 532 IWL_ERR(drv, "File size too small!\n"); 533 return -EINVAL; 534 } 535 build = 0; 536 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 537 le32_to_cpu(ucode->u.v1.inst_size)); 538 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 539 le32_to_cpu(ucode->u.v1.data_size)); 540 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 541 le32_to_cpu(ucode->u.v1.init_size)); 542 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 543 le32_to_cpu(ucode->u.v1.init_data_size)); 544 src = ucode->u.v1.data; 545 break; 546 } 547 548 if (build) 549 sprintf(buildstr, " build %u", build); 550 else 551 buildstr[0] = '\0'; 552 553 snprintf(drv->fw.fw_version, 554 sizeof(drv->fw.fw_version), 555 "%u.%u.%u.%u%s", 556 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 557 IWL_UCODE_MINOR(drv->fw.ucode_ver), 558 IWL_UCODE_API(drv->fw.ucode_ver), 559 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 560 buildstr); 561 562 /* Verify size of file vs. image size info in file's header */ 563 564 if (ucode_raw->size != hdr_size + 565 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 566 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 567 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 568 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 569 570 IWL_ERR(drv, 571 "uCode file size %d does not match expected size\n", 572 (int)ucode_raw->size); 573 return -EINVAL; 574 } 575 576 577 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 578 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 579 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 580 IWLAGN_RTC_INST_LOWER_BOUND); 581 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 582 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 583 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 584 IWLAGN_RTC_DATA_LOWER_BOUND); 585 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 586 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 587 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 588 IWLAGN_RTC_INST_LOWER_BOUND); 589 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 590 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 591 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 592 IWLAGN_RTC_DATA_LOWER_BOUND); 593 return 0; 594 } 595 596 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 597 const struct firmware *ucode_raw, 598 struct iwl_firmware_pieces *pieces, 599 struct iwl_ucode_capabilities *capa, 600 bool *usniffer_images) 601 { 602 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 603 struct iwl_ucode_tlv *tlv; 604 size_t len = ucode_raw->size; 605 const u8 *data; 606 u32 tlv_len; 607 u32 usniffer_img; 608 enum iwl_ucode_tlv_type tlv_type; 609 const u8 *tlv_data; 610 char buildstr[25]; 611 u32 build, paging_mem_size; 612 int num_of_cpus; 613 bool usniffer_req = false; 614 615 if (len < sizeof(*ucode)) { 616 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 617 return -EINVAL; 618 } 619 620 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 621 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 622 le32_to_cpu(ucode->magic)); 623 return -EINVAL; 624 } 625 626 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 627 memcpy(drv->fw.human_readable, ucode->human_readable, 628 sizeof(drv->fw.human_readable)); 629 build = le32_to_cpu(ucode->build); 630 631 if (build) 632 sprintf(buildstr, " build %u", build); 633 else 634 buildstr[0] = '\0'; 635 636 snprintf(drv->fw.fw_version, 637 sizeof(drv->fw.fw_version), 638 "%u.%u.%u.%u%s", 639 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 640 IWL_UCODE_MINOR(drv->fw.ucode_ver), 641 IWL_UCODE_API(drv->fw.ucode_ver), 642 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 643 buildstr); 644 645 data = ucode->data; 646 647 len -= sizeof(*ucode); 648 649 if (iwlwifi_mod_params.enable_ini) 650 iwl_alloc_dbg_tlv(drv->trans, len, data, false); 651 652 while (len >= sizeof(*tlv)) { 653 len -= sizeof(*tlv); 654 tlv = (void *)data; 655 656 tlv_len = le32_to_cpu(tlv->length); 657 tlv_type = le32_to_cpu(tlv->type); 658 tlv_data = tlv->data; 659 660 if (len < tlv_len) { 661 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 662 len, tlv_len); 663 return -EINVAL; 664 } 665 len -= ALIGN(tlv_len, 4); 666 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 667 668 switch (tlv_type) { 669 case IWL_UCODE_TLV_INST: 670 set_sec_data(pieces, IWL_UCODE_REGULAR, 671 IWL_UCODE_SECTION_INST, tlv_data); 672 set_sec_size(pieces, IWL_UCODE_REGULAR, 673 IWL_UCODE_SECTION_INST, tlv_len); 674 set_sec_offset(pieces, IWL_UCODE_REGULAR, 675 IWL_UCODE_SECTION_INST, 676 IWLAGN_RTC_INST_LOWER_BOUND); 677 break; 678 case IWL_UCODE_TLV_DATA: 679 set_sec_data(pieces, IWL_UCODE_REGULAR, 680 IWL_UCODE_SECTION_DATA, tlv_data); 681 set_sec_size(pieces, IWL_UCODE_REGULAR, 682 IWL_UCODE_SECTION_DATA, tlv_len); 683 set_sec_offset(pieces, IWL_UCODE_REGULAR, 684 IWL_UCODE_SECTION_DATA, 685 IWLAGN_RTC_DATA_LOWER_BOUND); 686 break; 687 case IWL_UCODE_TLV_INIT: 688 set_sec_data(pieces, IWL_UCODE_INIT, 689 IWL_UCODE_SECTION_INST, tlv_data); 690 set_sec_size(pieces, IWL_UCODE_INIT, 691 IWL_UCODE_SECTION_INST, tlv_len); 692 set_sec_offset(pieces, IWL_UCODE_INIT, 693 IWL_UCODE_SECTION_INST, 694 IWLAGN_RTC_INST_LOWER_BOUND); 695 break; 696 case IWL_UCODE_TLV_INIT_DATA: 697 set_sec_data(pieces, IWL_UCODE_INIT, 698 IWL_UCODE_SECTION_DATA, tlv_data); 699 set_sec_size(pieces, IWL_UCODE_INIT, 700 IWL_UCODE_SECTION_DATA, tlv_len); 701 set_sec_offset(pieces, IWL_UCODE_INIT, 702 IWL_UCODE_SECTION_DATA, 703 IWLAGN_RTC_DATA_LOWER_BOUND); 704 break; 705 case IWL_UCODE_TLV_BOOT: 706 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 707 break; 708 case IWL_UCODE_TLV_PROBE_MAX_LEN: 709 if (tlv_len != sizeof(u32)) 710 goto invalid_tlv_len; 711 capa->max_probe_length = 712 le32_to_cpup((__le32 *)tlv_data); 713 break; 714 case IWL_UCODE_TLV_PAN: 715 if (tlv_len) 716 goto invalid_tlv_len; 717 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 718 break; 719 case IWL_UCODE_TLV_FLAGS: 720 /* must be at least one u32 */ 721 if (tlv_len < sizeof(u32)) 722 goto invalid_tlv_len; 723 /* and a proper number of u32s */ 724 if (tlv_len % sizeof(u32)) 725 goto invalid_tlv_len; 726 /* 727 * This driver only reads the first u32 as 728 * right now no more features are defined, 729 * if that changes then either the driver 730 * will not work with the new firmware, or 731 * it'll not take advantage of new features. 732 */ 733 capa->flags = le32_to_cpup((__le32 *)tlv_data); 734 break; 735 case IWL_UCODE_TLV_API_CHANGES_SET: 736 if (tlv_len != sizeof(struct iwl_ucode_api)) 737 goto invalid_tlv_len; 738 iwl_set_ucode_api_flags(drv, tlv_data, capa); 739 break; 740 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 741 if (tlv_len != sizeof(struct iwl_ucode_capa)) 742 goto invalid_tlv_len; 743 iwl_set_ucode_capabilities(drv, tlv_data, capa); 744 break; 745 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 746 if (tlv_len != sizeof(u32)) 747 goto invalid_tlv_len; 748 pieces->init_evtlog_ptr = 749 le32_to_cpup((__le32 *)tlv_data); 750 break; 751 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 752 if (tlv_len != sizeof(u32)) 753 goto invalid_tlv_len; 754 pieces->init_evtlog_size = 755 le32_to_cpup((__le32 *)tlv_data); 756 break; 757 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 758 if (tlv_len != sizeof(u32)) 759 goto invalid_tlv_len; 760 pieces->init_errlog_ptr = 761 le32_to_cpup((__le32 *)tlv_data); 762 break; 763 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 764 if (tlv_len != sizeof(u32)) 765 goto invalid_tlv_len; 766 pieces->inst_evtlog_ptr = 767 le32_to_cpup((__le32 *)tlv_data); 768 break; 769 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 770 if (tlv_len != sizeof(u32)) 771 goto invalid_tlv_len; 772 pieces->inst_evtlog_size = 773 le32_to_cpup((__le32 *)tlv_data); 774 break; 775 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 776 if (tlv_len != sizeof(u32)) 777 goto invalid_tlv_len; 778 pieces->inst_errlog_ptr = 779 le32_to_cpup((__le32 *)tlv_data); 780 break; 781 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 782 if (tlv_len) 783 goto invalid_tlv_len; 784 drv->fw.enhance_sensitivity_table = true; 785 break; 786 case IWL_UCODE_TLV_WOWLAN_INST: 787 set_sec_data(pieces, IWL_UCODE_WOWLAN, 788 IWL_UCODE_SECTION_INST, tlv_data); 789 set_sec_size(pieces, IWL_UCODE_WOWLAN, 790 IWL_UCODE_SECTION_INST, tlv_len); 791 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 792 IWL_UCODE_SECTION_INST, 793 IWLAGN_RTC_INST_LOWER_BOUND); 794 break; 795 case IWL_UCODE_TLV_WOWLAN_DATA: 796 set_sec_data(pieces, IWL_UCODE_WOWLAN, 797 IWL_UCODE_SECTION_DATA, tlv_data); 798 set_sec_size(pieces, IWL_UCODE_WOWLAN, 799 IWL_UCODE_SECTION_DATA, tlv_len); 800 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 801 IWL_UCODE_SECTION_DATA, 802 IWLAGN_RTC_DATA_LOWER_BOUND); 803 break; 804 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 805 if (tlv_len != sizeof(u32)) 806 goto invalid_tlv_len; 807 capa->standard_phy_calibration_size = 808 le32_to_cpup((__le32 *)tlv_data); 809 break; 810 case IWL_UCODE_TLV_SEC_RT: 811 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 812 tlv_len); 813 drv->fw.type = IWL_FW_MVM; 814 break; 815 case IWL_UCODE_TLV_SEC_INIT: 816 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 817 tlv_len); 818 drv->fw.type = IWL_FW_MVM; 819 break; 820 case IWL_UCODE_TLV_SEC_WOWLAN: 821 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 822 tlv_len); 823 drv->fw.type = IWL_FW_MVM; 824 break; 825 case IWL_UCODE_TLV_DEF_CALIB: 826 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 827 goto invalid_tlv_len; 828 if (iwl_set_default_calib(drv, tlv_data)) 829 goto tlv_error; 830 break; 831 case IWL_UCODE_TLV_PHY_SKU: 832 if (tlv_len != sizeof(u32)) 833 goto invalid_tlv_len; 834 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 835 drv->fw.valid_tx_ant = (drv->fw.phy_config & 836 FW_PHY_CFG_TX_CHAIN) >> 837 FW_PHY_CFG_TX_CHAIN_POS; 838 drv->fw.valid_rx_ant = (drv->fw.phy_config & 839 FW_PHY_CFG_RX_CHAIN) >> 840 FW_PHY_CFG_RX_CHAIN_POS; 841 break; 842 case IWL_UCODE_TLV_SECURE_SEC_RT: 843 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 844 tlv_len); 845 drv->fw.type = IWL_FW_MVM; 846 break; 847 case IWL_UCODE_TLV_SECURE_SEC_INIT: 848 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 849 tlv_len); 850 drv->fw.type = IWL_FW_MVM; 851 break; 852 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 853 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 854 tlv_len); 855 drv->fw.type = IWL_FW_MVM; 856 break; 857 case IWL_UCODE_TLV_NUM_OF_CPU: 858 if (tlv_len != sizeof(u32)) 859 goto invalid_tlv_len; 860 num_of_cpus = 861 le32_to_cpup((__le32 *)tlv_data); 862 863 if (num_of_cpus == 2) { 864 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 865 true; 866 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 867 true; 868 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 869 true; 870 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 871 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 872 return -EINVAL; 873 } 874 break; 875 case IWL_UCODE_TLV_CSCHEME: 876 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 877 goto invalid_tlv_len; 878 break; 879 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 880 if (tlv_len != sizeof(u32)) 881 goto invalid_tlv_len; 882 capa->n_scan_channels = 883 le32_to_cpup((__le32 *)tlv_data); 884 break; 885 case IWL_UCODE_TLV_FW_VERSION: { 886 __le32 *ptr = (void *)tlv_data; 887 u32 major, minor; 888 u8 local_comp; 889 890 if (tlv_len != sizeof(u32) * 3) 891 goto invalid_tlv_len; 892 893 major = le32_to_cpup(ptr++); 894 minor = le32_to_cpup(ptr++); 895 local_comp = le32_to_cpup(ptr); 896 897 if (major >= 35) 898 snprintf(drv->fw.fw_version, 899 sizeof(drv->fw.fw_version), 900 "%u.%08x.%u", major, minor, local_comp); 901 else 902 snprintf(drv->fw.fw_version, 903 sizeof(drv->fw.fw_version), 904 "%u.%u.%u", major, minor, local_comp); 905 break; 906 } 907 case IWL_UCODE_TLV_FW_DBG_DEST: { 908 struct iwl_fw_dbg_dest_tlv *dest = NULL; 909 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 910 u8 mon_mode; 911 912 pieces->dbg_dest_ver = (u8 *)tlv_data; 913 if (*pieces->dbg_dest_ver == 1) { 914 dest = (void *)tlv_data; 915 } else if (*pieces->dbg_dest_ver == 0) { 916 dest_v1 = (void *)tlv_data; 917 } else { 918 IWL_ERR(drv, 919 "The version is %d, and it is invalid\n", 920 *pieces->dbg_dest_ver); 921 break; 922 } 923 924 if (pieces->dbg_dest_tlv_init) { 925 IWL_ERR(drv, 926 "dbg destination ignored, already exists\n"); 927 break; 928 } 929 930 pieces->dbg_dest_tlv_init = true; 931 932 if (dest_v1) { 933 pieces->dbg_dest_tlv_v1 = dest_v1; 934 mon_mode = dest_v1->monitor_mode; 935 } else { 936 pieces->dbg_dest_tlv = dest; 937 mon_mode = dest->monitor_mode; 938 } 939 940 IWL_INFO(drv, "Found debug destination: %s\n", 941 get_fw_dbg_mode_string(mon_mode)); 942 943 drv->fw.dbg.n_dest_reg = (dest_v1) ? 944 tlv_len - 945 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 946 reg_ops) : 947 tlv_len - 948 offsetof(struct iwl_fw_dbg_dest_tlv, 949 reg_ops); 950 951 drv->fw.dbg.n_dest_reg /= 952 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 953 954 break; 955 } 956 case IWL_UCODE_TLV_FW_DBG_CONF: { 957 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 958 959 if (!pieces->dbg_dest_tlv_init) { 960 IWL_ERR(drv, 961 "Ignore dbg config %d - no destination configured\n", 962 conf->id); 963 break; 964 } 965 966 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 967 IWL_ERR(drv, 968 "Skip unknown configuration: %d\n", 969 conf->id); 970 break; 971 } 972 973 if (pieces->dbg_conf_tlv[conf->id]) { 974 IWL_ERR(drv, 975 "Ignore duplicate dbg config %d\n", 976 conf->id); 977 break; 978 } 979 980 if (conf->usniffer) 981 usniffer_req = true; 982 983 IWL_INFO(drv, "Found debug configuration: %d\n", 984 conf->id); 985 986 pieces->dbg_conf_tlv[conf->id] = conf; 987 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 988 break; 989 } 990 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 991 struct iwl_fw_dbg_trigger_tlv *trigger = 992 (void *)tlv_data; 993 u32 trigger_id = le32_to_cpu(trigger->id); 994 995 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 996 IWL_ERR(drv, 997 "Skip unknown trigger: %u\n", 998 trigger->id); 999 break; 1000 } 1001 1002 if (pieces->dbg_trigger_tlv[trigger_id]) { 1003 IWL_ERR(drv, 1004 "Ignore duplicate dbg trigger %u\n", 1005 trigger->id); 1006 break; 1007 } 1008 1009 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1010 1011 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1012 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1013 break; 1014 } 1015 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1016 if (tlv_len != sizeof(u32)) { 1017 IWL_ERR(drv, 1018 "dbg lst mask size incorrect, skip\n"); 1019 break; 1020 } 1021 1022 drv->fw.dbg.dump_mask = 1023 le32_to_cpup((__le32 *)tlv_data); 1024 break; 1025 } 1026 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1027 *usniffer_images = true; 1028 iwl_store_ucode_sec(pieces, tlv_data, 1029 IWL_UCODE_REGULAR_USNIFFER, 1030 tlv_len); 1031 break; 1032 case IWL_UCODE_TLV_PAGING: 1033 if (tlv_len != sizeof(u32)) 1034 goto invalid_tlv_len; 1035 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1036 1037 IWL_DEBUG_FW(drv, 1038 "Paging: paging enabled (size = %u bytes)\n", 1039 paging_mem_size); 1040 1041 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1042 IWL_ERR(drv, 1043 "Paging: driver supports up to %lu bytes for paging image\n", 1044 MAX_PAGING_IMAGE_SIZE); 1045 return -EINVAL; 1046 } 1047 1048 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1049 IWL_ERR(drv, 1050 "Paging: image isn't multiple %lu\n", 1051 FW_PAGING_SIZE); 1052 return -EINVAL; 1053 } 1054 1055 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1056 paging_mem_size; 1057 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1058 drv->fw.img[usniffer_img].paging_mem_size = 1059 paging_mem_size; 1060 break; 1061 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1062 /* ignored */ 1063 break; 1064 case IWL_UCODE_TLV_FW_MEM_SEG: { 1065 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1066 (void *)tlv_data; 1067 size_t size; 1068 struct iwl_fw_dbg_mem_seg_tlv *n; 1069 1070 if (tlv_len != (sizeof(*dbg_mem))) 1071 goto invalid_tlv_len; 1072 1073 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1074 dbg_mem->data_type); 1075 1076 size = sizeof(*pieces->dbg_mem_tlv) * 1077 (pieces->n_mem_tlv + 1); 1078 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1079 if (!n) 1080 return -ENOMEM; 1081 pieces->dbg_mem_tlv = n; 1082 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1083 pieces->n_mem_tlv++; 1084 break; 1085 } 1086 case IWL_UCODE_TLV_IML: { 1087 drv->fw.iml_len = tlv_len; 1088 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1089 if (!drv->fw.iml) 1090 return -ENOMEM; 1091 break; 1092 } 1093 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1094 case IWL_UCODE_TLV_TYPE_HCMD: 1095 case IWL_UCODE_TLV_TYPE_REGIONS: 1096 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1097 case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: 1098 if (iwlwifi_mod_params.enable_ini) 1099 iwl_fw_dbg_copy_tlv(drv->trans, tlv, false); 1100 default: 1101 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1102 break; 1103 } 1104 } 1105 1106 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1107 usniffer_req && !*usniffer_images) { 1108 IWL_ERR(drv, 1109 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1110 return -EINVAL; 1111 } 1112 1113 if (len) { 1114 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1115 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1116 return -EINVAL; 1117 } 1118 1119 return 0; 1120 1121 invalid_tlv_len: 1122 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1123 tlv_error: 1124 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1125 1126 return -EINVAL; 1127 } 1128 1129 static int iwl_alloc_ucode(struct iwl_drv *drv, 1130 struct iwl_firmware_pieces *pieces, 1131 enum iwl_ucode_type type) 1132 { 1133 int i; 1134 struct fw_desc *sec; 1135 1136 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1137 if (!sec) 1138 return -ENOMEM; 1139 drv->fw.img[type].sec = sec; 1140 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1141 1142 for (i = 0; i < pieces->img[type].sec_counter; i++) 1143 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1144 return -ENOMEM; 1145 1146 return 0; 1147 } 1148 1149 static int validate_sec_sizes(struct iwl_drv *drv, 1150 struct iwl_firmware_pieces *pieces, 1151 const struct iwl_cfg *cfg) 1152 { 1153 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1154 get_sec_size(pieces, IWL_UCODE_REGULAR, 1155 IWL_UCODE_SECTION_INST)); 1156 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1157 get_sec_size(pieces, IWL_UCODE_REGULAR, 1158 IWL_UCODE_SECTION_DATA)); 1159 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1160 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1161 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1162 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1163 1164 /* Verify that uCode images will fit in card's SRAM. */ 1165 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1166 cfg->max_inst_size) { 1167 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1168 get_sec_size(pieces, IWL_UCODE_REGULAR, 1169 IWL_UCODE_SECTION_INST)); 1170 return -1; 1171 } 1172 1173 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1174 cfg->max_data_size) { 1175 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1176 get_sec_size(pieces, IWL_UCODE_REGULAR, 1177 IWL_UCODE_SECTION_DATA)); 1178 return -1; 1179 } 1180 1181 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1182 cfg->max_inst_size) { 1183 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1184 get_sec_size(pieces, IWL_UCODE_INIT, 1185 IWL_UCODE_SECTION_INST)); 1186 return -1; 1187 } 1188 1189 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1190 cfg->max_data_size) { 1191 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1192 get_sec_size(pieces, IWL_UCODE_REGULAR, 1193 IWL_UCODE_SECTION_DATA)); 1194 return -1; 1195 } 1196 return 0; 1197 } 1198 1199 static struct iwl_op_mode * 1200 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1201 { 1202 const struct iwl_op_mode_ops *ops = op->ops; 1203 struct dentry *dbgfs_dir = NULL; 1204 struct iwl_op_mode *op_mode = NULL; 1205 1206 #ifdef CONFIG_IWLWIFI_DEBUGFS 1207 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1208 drv->dbgfs_drv); 1209 if (!drv->dbgfs_op_mode) { 1210 IWL_ERR(drv, 1211 "failed to create opmode debugfs directory\n"); 1212 return op_mode; 1213 } 1214 dbgfs_dir = drv->dbgfs_op_mode; 1215 #endif 1216 1217 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1218 1219 #ifdef CONFIG_IWLWIFI_DEBUGFS 1220 if (!op_mode) { 1221 debugfs_remove_recursive(drv->dbgfs_op_mode); 1222 drv->dbgfs_op_mode = NULL; 1223 } 1224 #endif 1225 1226 return op_mode; 1227 } 1228 1229 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1230 { 1231 /* op_mode can be NULL if its start failed */ 1232 if (drv->op_mode) { 1233 iwl_op_mode_stop(drv->op_mode); 1234 drv->op_mode = NULL; 1235 1236 #ifdef CONFIG_IWLWIFI_DEBUGFS 1237 debugfs_remove_recursive(drv->dbgfs_op_mode); 1238 drv->dbgfs_op_mode = NULL; 1239 #endif 1240 } 1241 } 1242 1243 /** 1244 * iwl_req_fw_callback - callback when firmware was loaded 1245 * 1246 * If loaded successfully, copies the firmware into buffers 1247 * for the card to fetch (via DMA). 1248 */ 1249 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1250 { 1251 struct iwl_drv *drv = context; 1252 struct iwl_fw *fw = &drv->fw; 1253 struct iwl_ucode_header *ucode; 1254 struct iwlwifi_opmode_table *op; 1255 int err; 1256 struct iwl_firmware_pieces *pieces; 1257 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1258 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1259 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1260 u32 api_ver; 1261 int i; 1262 bool load_module = false; 1263 bool usniffer_images = false; 1264 1265 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1266 fw->ucode_capa.standard_phy_calibration_size = 1267 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1268 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1269 /* dump all fw memory areas by default except d3 debug data */ 1270 fw->dbg.dump_mask = 0xfffdffff; 1271 1272 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1273 if (!pieces) 1274 goto out_free_fw; 1275 1276 if (!ucode_raw) 1277 goto try_again; 1278 1279 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1280 drv->firmware_name, ucode_raw->size); 1281 1282 /* Make sure that we got at least the API version number */ 1283 if (ucode_raw->size < 4) { 1284 IWL_ERR(drv, "File size way too small!\n"); 1285 goto try_again; 1286 } 1287 1288 /* Data from ucode file: header followed by uCode images */ 1289 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1290 1291 if (ucode->ver) 1292 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1293 else 1294 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1295 &fw->ucode_capa, &usniffer_images); 1296 1297 if (err) 1298 goto try_again; 1299 1300 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1301 api_ver = drv->fw.ucode_ver; 1302 else 1303 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1304 1305 /* 1306 * api_ver should match the api version forming part of the 1307 * firmware filename ... but we don't check for that and only rely 1308 * on the API version read from firmware header from here on forward 1309 */ 1310 if (api_ver < api_min || api_ver > api_max) { 1311 IWL_ERR(drv, 1312 "Driver unable to support your firmware API. " 1313 "Driver supports v%u, firmware is v%u.\n", 1314 api_max, api_ver); 1315 goto try_again; 1316 } 1317 1318 /* 1319 * In mvm uCode there is no difference between data and instructions 1320 * sections. 1321 */ 1322 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1323 drv->trans->cfg)) 1324 goto try_again; 1325 1326 /* Allocate ucode buffers for card's bus-master loading ... */ 1327 1328 /* Runtime instructions and 2 copies of data: 1329 * 1) unmodified from disk 1330 * 2) backup cache for save/restore during power-downs 1331 */ 1332 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1333 if (iwl_alloc_ucode(drv, pieces, i)) 1334 goto out_free_fw; 1335 1336 if (pieces->dbg_dest_tlv_init) { 1337 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1338 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1339 drv->fw.dbg.n_dest_reg; 1340 1341 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1342 1343 if (!drv->fw.dbg.dest_tlv) 1344 goto out_free_fw; 1345 1346 if (*pieces->dbg_dest_ver == 0) { 1347 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1348 dbg_dest_size); 1349 } else { 1350 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1351 drv->fw.dbg.dest_tlv; 1352 1353 dest_tlv->version = pieces->dbg_dest_tlv->version; 1354 dest_tlv->monitor_mode = 1355 pieces->dbg_dest_tlv->monitor_mode; 1356 dest_tlv->size_power = 1357 pieces->dbg_dest_tlv->size_power; 1358 dest_tlv->wrap_count = 1359 pieces->dbg_dest_tlv->wrap_count; 1360 dest_tlv->write_ptr_reg = 1361 pieces->dbg_dest_tlv->write_ptr_reg; 1362 dest_tlv->base_shift = 1363 pieces->dbg_dest_tlv->base_shift; 1364 memcpy(dest_tlv->reg_ops, 1365 pieces->dbg_dest_tlv->reg_ops, 1366 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1367 drv->fw.dbg.n_dest_reg); 1368 1369 /* In version 1 of the destination tlv, which is 1370 * relevant for internal buffer exclusively, 1371 * the base address is part of given with the length 1372 * of the buffer, and the size shift is give instead of 1373 * end shift. We now store these values in base_reg, 1374 * and end shift, and when dumping the data we'll 1375 * manipulate it for extracting both the length and 1376 * base address */ 1377 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1378 dest_tlv->end_shift = 1379 pieces->dbg_dest_tlv->size_shift; 1380 } 1381 } 1382 1383 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1384 if (pieces->dbg_conf_tlv[i]) { 1385 drv->fw.dbg.conf_tlv[i] = 1386 kmemdup(pieces->dbg_conf_tlv[i], 1387 pieces->dbg_conf_tlv_len[i], 1388 GFP_KERNEL); 1389 if (!pieces->dbg_conf_tlv_len[i]) 1390 goto out_free_fw; 1391 } 1392 } 1393 1394 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1395 1396 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1397 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1398 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1399 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1400 sizeof(struct iwl_fw_dbg_trigger_cmd); 1401 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1402 sizeof(struct iwl_fw_dbg_trigger_mlme); 1403 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1404 sizeof(struct iwl_fw_dbg_trigger_stats); 1405 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1406 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1407 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1408 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1409 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1410 sizeof(struct iwl_fw_dbg_trigger_time_event); 1411 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1412 sizeof(struct iwl_fw_dbg_trigger_ba); 1413 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1414 sizeof(struct iwl_fw_dbg_trigger_tdls); 1415 1416 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1417 if (pieces->dbg_trigger_tlv[i]) { 1418 /* 1419 * If the trigger isn't long enough, WARN and exit. 1420 * Someone is trying to debug something and he won't 1421 * be able to catch the bug he is trying to chase. 1422 * We'd better be noisy to be sure he knows what's 1423 * going on. 1424 */ 1425 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1426 (trigger_tlv_sz[i] + 1427 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1428 goto out_free_fw; 1429 drv->fw.dbg.trigger_tlv_len[i] = 1430 pieces->dbg_trigger_tlv_len[i]; 1431 drv->fw.dbg.trigger_tlv[i] = 1432 kmemdup(pieces->dbg_trigger_tlv[i], 1433 drv->fw.dbg.trigger_tlv_len[i], 1434 GFP_KERNEL); 1435 if (!drv->fw.dbg.trigger_tlv[i]) 1436 goto out_free_fw; 1437 } 1438 } 1439 1440 /* Now that we can no longer fail, copy information */ 1441 1442 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1443 pieces->dbg_mem_tlv = NULL; 1444 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1445 1446 /* 1447 * The (size - 16) / 12 formula is based on the information recorded 1448 * for each event, which is of mode 1 (including timestamp) for all 1449 * new microcodes that include this information. 1450 */ 1451 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1452 if (pieces->init_evtlog_size) 1453 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1454 else 1455 fw->init_evtlog_size = 1456 drv->trans->cfg->base_params->max_event_log_size; 1457 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1458 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1459 if (pieces->inst_evtlog_size) 1460 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1461 else 1462 fw->inst_evtlog_size = 1463 drv->trans->cfg->base_params->max_event_log_size; 1464 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1465 1466 /* 1467 * figure out the offset of chain noise reset and gain commands 1468 * base on the size of standard phy calibration commands table size 1469 */ 1470 if (fw->ucode_capa.standard_phy_calibration_size > 1471 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1472 fw->ucode_capa.standard_phy_calibration_size = 1473 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1474 1475 /* We have our copies now, allow OS release its copies */ 1476 release_firmware(ucode_raw); 1477 1478 mutex_lock(&iwlwifi_opmode_table_mtx); 1479 switch (fw->type) { 1480 case IWL_FW_DVM: 1481 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1482 break; 1483 default: 1484 WARN(1, "Invalid fw type %d\n", fw->type); 1485 /* fall through */ 1486 case IWL_FW_MVM: 1487 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1488 break; 1489 } 1490 1491 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1492 drv->fw.fw_version, op->name); 1493 1494 /* add this device to the list of devices using this op_mode */ 1495 list_add_tail(&drv->list, &op->drv); 1496 1497 if (op->ops) { 1498 drv->op_mode = _iwl_op_mode_start(drv, op); 1499 1500 if (!drv->op_mode) { 1501 mutex_unlock(&iwlwifi_opmode_table_mtx); 1502 goto out_unbind; 1503 } 1504 } else { 1505 load_module = true; 1506 } 1507 mutex_unlock(&iwlwifi_opmode_table_mtx); 1508 1509 /* 1510 * Complete the firmware request last so that 1511 * a driver unbind (stop) doesn't run while we 1512 * are doing the start() above. 1513 */ 1514 complete(&drv->request_firmware_complete); 1515 1516 /* 1517 * Load the module last so we don't block anything 1518 * else from proceeding if the module fails to load 1519 * or hangs loading. 1520 */ 1521 if (load_module) { 1522 request_module("%s", op->name); 1523 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1524 if (err) 1525 IWL_ERR(drv, 1526 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1527 op->name, err); 1528 #endif 1529 } 1530 goto free; 1531 1532 try_again: 1533 /* try next, if any */ 1534 release_firmware(ucode_raw); 1535 if (iwl_request_firmware(drv, false)) 1536 goto out_unbind; 1537 goto free; 1538 1539 out_free_fw: 1540 iwl_dealloc_ucode(drv); 1541 release_firmware(ucode_raw); 1542 out_unbind: 1543 complete(&drv->request_firmware_complete); 1544 device_release_driver(drv->trans->dev); 1545 free: 1546 if (pieces) { 1547 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1548 kfree(pieces->img[i].sec); 1549 kfree(pieces->dbg_mem_tlv); 1550 kfree(pieces); 1551 } 1552 } 1553 1554 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1555 { 1556 struct iwl_drv *drv; 1557 int ret; 1558 1559 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1560 if (!drv) { 1561 ret = -ENOMEM; 1562 goto err; 1563 } 1564 1565 drv->trans = trans; 1566 drv->dev = trans->dev; 1567 1568 init_completion(&drv->request_firmware_complete); 1569 INIT_LIST_HEAD(&drv->list); 1570 1571 #ifdef CONFIG_IWLWIFI_DEBUGFS 1572 /* Create the device debugfs entries. */ 1573 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1574 iwl_dbgfs_root); 1575 1576 if (!drv->dbgfs_drv) { 1577 IWL_ERR(drv, "failed to create debugfs directory\n"); 1578 ret = -ENOMEM; 1579 goto err_free_tlv; 1580 } 1581 1582 /* Create transport layer debugfs dir */ 1583 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1584 1585 if (!drv->trans->dbgfs_dir) { 1586 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1587 ret = -ENOMEM; 1588 goto err_free_dbgfs; 1589 } 1590 #endif 1591 1592 ret = iwl_request_firmware(drv, true); 1593 if (ret) { 1594 IWL_ERR(trans, "Couldn't request the fw\n"); 1595 goto err_fw; 1596 } 1597 1598 return drv; 1599 1600 err_fw: 1601 #ifdef CONFIG_IWLWIFI_DEBUGFS 1602 err_free_dbgfs: 1603 debugfs_remove_recursive(drv->dbgfs_drv); 1604 err_free_tlv: 1605 iwl_fw_dbg_free(drv->trans); 1606 #endif 1607 kfree(drv); 1608 err: 1609 return ERR_PTR(ret); 1610 } 1611 1612 void iwl_drv_stop(struct iwl_drv *drv) 1613 { 1614 wait_for_completion(&drv->request_firmware_complete); 1615 1616 _iwl_op_mode_stop(drv); 1617 1618 iwl_dealloc_ucode(drv); 1619 1620 mutex_lock(&iwlwifi_opmode_table_mtx); 1621 /* 1622 * List is empty (this item wasn't added) 1623 * when firmware loading failed -- in that 1624 * case we can't remove it from any list. 1625 */ 1626 if (!list_empty(&drv->list)) 1627 list_del(&drv->list); 1628 mutex_unlock(&iwlwifi_opmode_table_mtx); 1629 1630 #ifdef CONFIG_IWLWIFI_DEBUGFS 1631 drv->trans->ops->debugfs_cleanup(drv->trans); 1632 1633 debugfs_remove_recursive(drv->dbgfs_drv); 1634 #endif 1635 1636 iwl_fw_dbg_free(drv->trans); 1637 1638 kfree(drv); 1639 } 1640 1641 1642 /* shared module parameters */ 1643 struct iwl_mod_params iwlwifi_mod_params = { 1644 .fw_restart = true, 1645 .bt_coex_active = true, 1646 .power_level = IWL_POWER_INDEX_1, 1647 .d0i3_disable = true, 1648 .d0i3_timeout = 1000, 1649 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1650 /* the rest are 0 by default */ 1651 }; 1652 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1653 1654 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1655 { 1656 int i; 1657 struct iwl_drv *drv; 1658 struct iwlwifi_opmode_table *op; 1659 1660 mutex_lock(&iwlwifi_opmode_table_mtx); 1661 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1662 op = &iwlwifi_opmode_table[i]; 1663 if (strcmp(op->name, name)) 1664 continue; 1665 op->ops = ops; 1666 /* TODO: need to handle exceptional case */ 1667 list_for_each_entry(drv, &op->drv, list) 1668 drv->op_mode = _iwl_op_mode_start(drv, op); 1669 1670 mutex_unlock(&iwlwifi_opmode_table_mtx); 1671 return 0; 1672 } 1673 mutex_unlock(&iwlwifi_opmode_table_mtx); 1674 return -EIO; 1675 } 1676 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1677 1678 void iwl_opmode_deregister(const char *name) 1679 { 1680 int i; 1681 struct iwl_drv *drv; 1682 1683 mutex_lock(&iwlwifi_opmode_table_mtx); 1684 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1685 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1686 continue; 1687 iwlwifi_opmode_table[i].ops = NULL; 1688 1689 /* call the stop routine for all devices */ 1690 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1691 _iwl_op_mode_stop(drv); 1692 1693 mutex_unlock(&iwlwifi_opmode_table_mtx); 1694 return; 1695 } 1696 mutex_unlock(&iwlwifi_opmode_table_mtx); 1697 } 1698 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1699 1700 static int __init iwl_drv_init(void) 1701 { 1702 int i; 1703 1704 mutex_init(&iwlwifi_opmode_table_mtx); 1705 1706 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1707 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1708 1709 pr_info(DRV_DESCRIPTION "\n"); 1710 pr_info(DRV_COPYRIGHT "\n"); 1711 1712 #ifdef CONFIG_IWLWIFI_DEBUGFS 1713 /* Create the root of iwlwifi debugfs subsystem. */ 1714 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1715 1716 if (!iwl_dbgfs_root) 1717 return -EFAULT; 1718 #endif 1719 1720 return iwl_pci_register_driver(); 1721 } 1722 module_init(iwl_drv_init); 1723 1724 static void __exit iwl_drv_exit(void) 1725 { 1726 iwl_pci_unregister_driver(); 1727 1728 #ifdef CONFIG_IWLWIFI_DEBUGFS 1729 debugfs_remove_recursive(iwl_dbgfs_root); 1730 #endif 1731 } 1732 module_exit(iwl_drv_exit); 1733 1734 #ifdef CONFIG_IWLWIFI_DEBUG 1735 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1736 MODULE_PARM_DESC(debug, "debug output mask"); 1737 #endif 1738 1739 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1740 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1741 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1742 MODULE_PARM_DESC(11n_disable, 1743 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1744 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1745 MODULE_PARM_DESC(amsdu_size, 1746 "amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, " 1747 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)"); 1748 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1749 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1750 1751 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1752 int, 0444); 1753 MODULE_PARM_DESC(antenna_coupling, 1754 "specify antenna coupling in dB (default: 0 dB)"); 1755 1756 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1757 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1758 1759 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, bool, 0444); 1760 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1761 1762 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444); 1763 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1764 1765 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1766 MODULE_PARM_DESC(uapsd_disable, 1767 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1768 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1769 bool, S_IRUGO | S_IWUSR); 1770 MODULE_PARM_DESC(enable_ini, 1771 "Enable debug INI TLV FW debug infrastructure (default: 0"); 1772 1773 /* 1774 * set bt_coex_active to true, uCode will do kill/defer 1775 * every time the priority line is asserted (BT is sending signals on the 1776 * priority line in the PCIx). 1777 * set bt_coex_active to false, uCode will ignore the BT activity and 1778 * perform the normal operation 1779 * 1780 * User might experience transmit issue on some platform due to WiFi/BT 1781 * co-exist problem. The possible behaviors are: 1782 * Able to scan and finding all the available AP 1783 * Not able to associate with any AP 1784 * On those platforms, WiFi communication can be restored by set 1785 * "bt_coex_active" module parameter to "false" 1786 * 1787 * default: bt_coex_active = true (BT_COEX_ENABLE) 1788 */ 1789 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1790 bool, 0444); 1791 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1792 1793 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1794 MODULE_PARM_DESC(led_mode, "0=system default, " 1795 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1796 1797 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1798 MODULE_PARM_DESC(power_save, 1799 "enable WiFi power management (default: disable)"); 1800 1801 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1802 MODULE_PARM_DESC(power_level, 1803 "default power save level (range from 1 - 5, default: 1)"); 1804 1805 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444); 1806 MODULE_PARM_DESC(fw_monitor, 1807 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1808 1809 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, uint, 0444); 1810 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1811 1812 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1813 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1814 1815 module_param_named(remove_when_gone, 1816 iwlwifi_mod_params.remove_when_gone, bool, 1817 0444); 1818 MODULE_PARM_DESC(remove_when_gone, 1819 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1820 1821 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1822 S_IRUGO); 1823 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1824