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 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 24 * USA 25 * 26 * The full GNU General Public License is included in this distribution 27 * in the file called COPYING. 28 * 29 * Contact Information: 30 * Intel Linux Wireless <linuxwifi@intel.com> 31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 32 * 33 * BSD LICENSE 34 * 35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 38 * All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 44 * * Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * * Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in 48 * the documentation and/or other materials provided with the 49 * distribution. 50 * * Neither the name Intel Corporation nor the names of its 51 * contributors may be used to endorse or promote products derived 52 * from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 * 66 *****************************************************************************/ 67 #include <linux/completion.h> 68 #include <linux/dma-mapping.h> 69 #include <linux/firmware.h> 70 #include <linux/module.h> 71 #include <linux/vmalloc.h> 72 73 #include "iwl-drv.h" 74 #include "iwl-csr.h" 75 #include "iwl-debug.h" 76 #include "iwl-trans.h" 77 #include "iwl-op-mode.h" 78 #include "iwl-agn-hw.h" 79 #include "fw/img.h" 80 #include "iwl-config.h" 81 #include "iwl-modparams.h" 82 83 /****************************************************************************** 84 * 85 * module boiler plate 86 * 87 ******************************************************************************/ 88 89 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 90 MODULE_DESCRIPTION(DRV_DESCRIPTION); 91 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 92 MODULE_LICENSE("GPL"); 93 94 #ifdef CONFIG_IWLWIFI_DEBUGFS 95 static struct dentry *iwl_dbgfs_root; 96 #endif 97 98 /** 99 * struct iwl_drv - drv common data 100 * @list: list of drv structures using this opmode 101 * @fw: the iwl_fw structure 102 * @op_mode: the running op_mode 103 * @trans: transport layer 104 * @dev: for debug prints only 105 * @fw_index: firmware revision to try loading 106 * @firmware_name: composite filename of ucode file to load 107 * @request_firmware_complete: the firmware has been obtained from user space 108 */ 109 struct iwl_drv { 110 struct list_head list; 111 struct iwl_fw fw; 112 113 struct iwl_op_mode *op_mode; 114 struct iwl_trans *trans; 115 struct device *dev; 116 117 int fw_index; /* firmware we're trying to load */ 118 char firmware_name[64]; /* name of firmware file to load */ 119 120 struct completion request_firmware_complete; 121 122 #ifdef CONFIG_IWLWIFI_DEBUGFS 123 struct dentry *dbgfs_drv; 124 struct dentry *dbgfs_trans; 125 struct dentry *dbgfs_op_mode; 126 #endif 127 }; 128 129 enum { 130 DVM_OP_MODE, 131 MVM_OP_MODE, 132 }; 133 134 /* Protects the table contents, i.e. the ops pointer & drv list */ 135 static struct mutex iwlwifi_opmode_table_mtx; 136 static struct iwlwifi_opmode_table { 137 const char *name; /* name: iwldvm, iwlmvm, etc */ 138 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 139 struct list_head drv; /* list of devices using this op_mode */ 140 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 141 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 142 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 143 }; 144 145 #define IWL_DEFAULT_SCAN_CHANNELS 40 146 147 /* 148 * struct fw_sec: Just for the image parsing process. 149 * For the fw storage we are using struct fw_desc. 150 */ 151 struct fw_sec { 152 const void *data; /* the sec data */ 153 size_t size; /* section size */ 154 u32 offset; /* offset of writing in the device */ 155 }; 156 157 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 158 { 159 vfree(desc->data); 160 desc->data = NULL; 161 desc->len = 0; 162 } 163 164 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 165 { 166 int i; 167 for (i = 0; i < img->num_sec; i++) 168 iwl_free_fw_desc(drv, &img->sec[i]); 169 kfree(img->sec); 170 } 171 172 static void iwl_dealloc_ucode(struct iwl_drv *drv) 173 { 174 int i; 175 176 kfree(drv->fw.dbg_dest_tlv); 177 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) 178 kfree(drv->fw.dbg_conf_tlv[i]); 179 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) 180 kfree(drv->fw.dbg_trigger_tlv[i]); 181 kfree(drv->fw.dbg_mem_tlv); 182 kfree(drv->fw.iml); 183 184 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 185 iwl_free_fw_img(drv, drv->fw.img + i); 186 } 187 188 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 189 struct fw_sec *sec) 190 { 191 void *data; 192 193 desc->data = NULL; 194 195 if (!sec || !sec->size) 196 return -EINVAL; 197 198 data = vmalloc(sec->size); 199 if (!data) 200 return -ENOMEM; 201 202 desc->len = sec->size; 203 desc->offset = sec->offset; 204 memcpy(data, sec->data, desc->len); 205 desc->data = data; 206 207 return 0; 208 } 209 210 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 211 void *context); 212 213 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 214 { 215 const struct iwl_cfg *cfg = drv->trans->cfg; 216 char tag[8]; 217 const char *fw_pre_name; 218 219 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 && 220 (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP || 221 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP)) 222 fw_pre_name = cfg->fw_name_pre_b_or_c_step; 223 else if (drv->trans->cfg->integrated && 224 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP && 225 cfg->fw_name_pre_rf_next_step) 226 fw_pre_name = cfg->fw_name_pre_rf_next_step; 227 else 228 fw_pre_name = cfg->fw_name_pre; 229 230 if (first) { 231 drv->fw_index = cfg->ucode_api_max; 232 sprintf(tag, "%d", drv->fw_index); 233 } else { 234 drv->fw_index--; 235 sprintf(tag, "%d", drv->fw_index); 236 } 237 238 if (drv->fw_index < cfg->ucode_api_min) { 239 IWL_ERR(drv, "no suitable firmware found!\n"); 240 241 if (cfg->ucode_api_min == cfg->ucode_api_max) { 242 IWL_ERR(drv, "%s%d is required\n", fw_pre_name, 243 cfg->ucode_api_max); 244 } else { 245 IWL_ERR(drv, "minimum version required: %s%d\n", 246 fw_pre_name, 247 cfg->ucode_api_min); 248 IWL_ERR(drv, "maximum version supported: %s%d\n", 249 fw_pre_name, 250 cfg->ucode_api_max); 251 } 252 253 IWL_ERR(drv, 254 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 255 return -ENOENT; 256 } 257 258 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 259 fw_pre_name, tag); 260 261 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 262 drv->firmware_name); 263 264 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 265 drv->trans->dev, 266 GFP_KERNEL, drv, iwl_req_fw_callback); 267 } 268 269 struct fw_img_parsing { 270 struct fw_sec *sec; 271 int sec_counter; 272 }; 273 274 /* 275 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 276 */ 277 struct fw_sec_parsing { 278 __le32 offset; 279 const u8 data[]; 280 } __packed; 281 282 /** 283 * struct iwl_tlv_calib_data - parse the default calib data from TLV 284 * 285 * @ucode_type: the uCode to which the following default calib relates. 286 * @calib: default calibrations. 287 */ 288 struct iwl_tlv_calib_data { 289 __le32 ucode_type; 290 struct iwl_tlv_calib_ctrl calib; 291 } __packed; 292 293 struct iwl_firmware_pieces { 294 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 295 296 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 297 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 298 299 /* FW debug data parsed for driver usage */ 300 bool dbg_dest_tlv_init; 301 u8 *dbg_dest_ver; 302 union { 303 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 304 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 305 }; 306 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 307 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 308 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 309 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 310 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 311 size_t n_dbg_mem_tlv; 312 }; 313 314 /* 315 * These functions are just to extract uCode section data from the pieces 316 * structure. 317 */ 318 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 319 enum iwl_ucode_type type, 320 int sec) 321 { 322 return &pieces->img[type].sec[sec]; 323 } 324 325 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 326 enum iwl_ucode_type type, 327 int sec) 328 { 329 struct fw_img_parsing *img = &pieces->img[type]; 330 struct fw_sec *sec_memory; 331 int size = sec + 1; 332 size_t alloc_size = sizeof(*img->sec) * size; 333 334 if (img->sec && img->sec_counter >= size) 335 return; 336 337 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 338 if (!sec_memory) 339 return; 340 341 img->sec = sec_memory; 342 img->sec_counter = size; 343 } 344 345 static void set_sec_data(struct iwl_firmware_pieces *pieces, 346 enum iwl_ucode_type type, 347 int sec, 348 const void *data) 349 { 350 alloc_sec_data(pieces, type, sec); 351 352 pieces->img[type].sec[sec].data = data; 353 } 354 355 static void set_sec_size(struct iwl_firmware_pieces *pieces, 356 enum iwl_ucode_type type, 357 int sec, 358 size_t size) 359 { 360 alloc_sec_data(pieces, type, sec); 361 362 pieces->img[type].sec[sec].size = size; 363 } 364 365 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 366 enum iwl_ucode_type type, 367 int sec) 368 { 369 return pieces->img[type].sec[sec].size; 370 } 371 372 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 373 enum iwl_ucode_type type, 374 int sec, 375 u32 offset) 376 { 377 alloc_sec_data(pieces, type, sec); 378 379 pieces->img[type].sec[sec].offset = offset; 380 } 381 382 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 383 { 384 int i, j; 385 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 386 struct iwl_fw_cipher_scheme *fwcs; 387 388 if (len < sizeof(*l) || 389 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 390 return -EINVAL; 391 392 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 393 fwcs = &l->cs[j]; 394 395 /* we skip schemes with zero cipher suite selector */ 396 if (!fwcs->cipher) 397 continue; 398 399 fw->cs[j++] = *fwcs; 400 } 401 402 return 0; 403 } 404 405 /* 406 * Gets uCode section from tlv. 407 */ 408 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 409 const void *data, enum iwl_ucode_type type, 410 int size) 411 { 412 struct fw_img_parsing *img; 413 struct fw_sec *sec; 414 struct fw_sec_parsing *sec_parse; 415 size_t alloc_size; 416 417 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 418 return -1; 419 420 sec_parse = (struct fw_sec_parsing *)data; 421 422 img = &pieces->img[type]; 423 424 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 425 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 426 if (!sec) 427 return -ENOMEM; 428 img->sec = sec; 429 430 sec = &img->sec[img->sec_counter]; 431 432 sec->offset = le32_to_cpu(sec_parse->offset); 433 sec->data = sec_parse->data; 434 sec->size = size - sizeof(sec_parse->offset); 435 436 ++img->sec_counter; 437 438 return 0; 439 } 440 441 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 442 { 443 struct iwl_tlv_calib_data *def_calib = 444 (struct iwl_tlv_calib_data *)data; 445 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 446 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 447 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 448 ucode_type); 449 return -EINVAL; 450 } 451 drv->fw.default_calib[ucode_type].flow_trigger = 452 def_calib->calib.flow_trigger; 453 drv->fw.default_calib[ucode_type].event_trigger = 454 def_calib->calib.event_trigger; 455 456 return 0; 457 } 458 459 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 460 struct iwl_ucode_capabilities *capa) 461 { 462 const struct iwl_ucode_api *ucode_api = (void *)data; 463 u32 api_index = le32_to_cpu(ucode_api->api_index); 464 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 465 int i; 466 467 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 468 IWL_WARN(drv, 469 "api flags index %d larger than supported by driver\n", 470 api_index); 471 return; 472 } 473 474 for (i = 0; i < 32; i++) { 475 if (api_flags & BIT(i)) 476 __set_bit(i + 32 * api_index, capa->_api); 477 } 478 } 479 480 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 481 struct iwl_ucode_capabilities *capa) 482 { 483 const struct iwl_ucode_capa *ucode_capa = (void *)data; 484 u32 api_index = le32_to_cpu(ucode_capa->api_index); 485 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 486 int i; 487 488 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 489 IWL_WARN(drv, 490 "capa flags index %d larger than supported by driver\n", 491 api_index); 492 return; 493 } 494 495 for (i = 0; i < 32; i++) { 496 if (api_flags & BIT(i)) 497 __set_bit(i + 32 * api_index, capa->_capa); 498 } 499 } 500 501 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 502 const struct firmware *ucode_raw, 503 struct iwl_firmware_pieces *pieces) 504 { 505 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 506 u32 api_ver, hdr_size, build; 507 char buildstr[25]; 508 const u8 *src; 509 510 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 511 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 512 513 switch (api_ver) { 514 default: 515 hdr_size = 28; 516 if (ucode_raw->size < hdr_size) { 517 IWL_ERR(drv, "File size too small!\n"); 518 return -EINVAL; 519 } 520 build = le32_to_cpu(ucode->u.v2.build); 521 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 522 le32_to_cpu(ucode->u.v2.inst_size)); 523 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 524 le32_to_cpu(ucode->u.v2.data_size)); 525 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 526 le32_to_cpu(ucode->u.v2.init_size)); 527 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 528 le32_to_cpu(ucode->u.v2.init_data_size)); 529 src = ucode->u.v2.data; 530 break; 531 case 0: 532 case 1: 533 case 2: 534 hdr_size = 24; 535 if (ucode_raw->size < hdr_size) { 536 IWL_ERR(drv, "File size too small!\n"); 537 return -EINVAL; 538 } 539 build = 0; 540 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 541 le32_to_cpu(ucode->u.v1.inst_size)); 542 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 543 le32_to_cpu(ucode->u.v1.data_size)); 544 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 545 le32_to_cpu(ucode->u.v1.init_size)); 546 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 547 le32_to_cpu(ucode->u.v1.init_data_size)); 548 src = ucode->u.v1.data; 549 break; 550 } 551 552 if (build) 553 sprintf(buildstr, " build %u", build); 554 else 555 buildstr[0] = '\0'; 556 557 snprintf(drv->fw.fw_version, 558 sizeof(drv->fw.fw_version), 559 "%u.%u.%u.%u%s", 560 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 561 IWL_UCODE_MINOR(drv->fw.ucode_ver), 562 IWL_UCODE_API(drv->fw.ucode_ver), 563 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 564 buildstr); 565 566 /* Verify size of file vs. image size info in file's header */ 567 568 if (ucode_raw->size != hdr_size + 569 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 570 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 571 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 572 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 573 574 IWL_ERR(drv, 575 "uCode file size %d does not match expected size\n", 576 (int)ucode_raw->size); 577 return -EINVAL; 578 } 579 580 581 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 582 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 583 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 584 IWLAGN_RTC_INST_LOWER_BOUND); 585 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 586 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 587 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 588 IWLAGN_RTC_DATA_LOWER_BOUND); 589 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 590 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 591 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 592 IWLAGN_RTC_INST_LOWER_BOUND); 593 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 594 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 595 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 596 IWLAGN_RTC_DATA_LOWER_BOUND); 597 return 0; 598 } 599 600 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 601 const struct firmware *ucode_raw, 602 struct iwl_firmware_pieces *pieces, 603 struct iwl_ucode_capabilities *capa, 604 bool *usniffer_images) 605 { 606 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 607 struct iwl_ucode_tlv *tlv; 608 size_t len = ucode_raw->size; 609 const u8 *data; 610 u32 tlv_len; 611 u32 usniffer_img; 612 enum iwl_ucode_tlv_type tlv_type; 613 const u8 *tlv_data; 614 char buildstr[25]; 615 u32 build, paging_mem_size; 616 int num_of_cpus; 617 bool usniffer_req = false; 618 619 if (len < sizeof(*ucode)) { 620 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 621 return -EINVAL; 622 } 623 624 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 625 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 626 le32_to_cpu(ucode->magic)); 627 return -EINVAL; 628 } 629 630 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 631 memcpy(drv->fw.human_readable, ucode->human_readable, 632 sizeof(drv->fw.human_readable)); 633 build = le32_to_cpu(ucode->build); 634 635 if (build) 636 sprintf(buildstr, " build %u", build); 637 else 638 buildstr[0] = '\0'; 639 640 snprintf(drv->fw.fw_version, 641 sizeof(drv->fw.fw_version), 642 "%u.%u.%u.%u%s", 643 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 644 IWL_UCODE_MINOR(drv->fw.ucode_ver), 645 IWL_UCODE_API(drv->fw.ucode_ver), 646 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 647 buildstr); 648 649 data = ucode->data; 650 651 len -= sizeof(*ucode); 652 653 while (len >= sizeof(*tlv)) { 654 len -= sizeof(*tlv); 655 tlv = (void *)data; 656 657 tlv_len = le32_to_cpu(tlv->length); 658 tlv_type = le32_to_cpu(tlv->type); 659 tlv_data = tlv->data; 660 661 if (len < tlv_len) { 662 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 663 len, tlv_len); 664 return -EINVAL; 665 } 666 len -= ALIGN(tlv_len, 4); 667 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 668 669 switch (tlv_type) { 670 case IWL_UCODE_TLV_INST: 671 set_sec_data(pieces, IWL_UCODE_REGULAR, 672 IWL_UCODE_SECTION_INST, tlv_data); 673 set_sec_size(pieces, IWL_UCODE_REGULAR, 674 IWL_UCODE_SECTION_INST, tlv_len); 675 set_sec_offset(pieces, IWL_UCODE_REGULAR, 676 IWL_UCODE_SECTION_INST, 677 IWLAGN_RTC_INST_LOWER_BOUND); 678 break; 679 case IWL_UCODE_TLV_DATA: 680 set_sec_data(pieces, IWL_UCODE_REGULAR, 681 IWL_UCODE_SECTION_DATA, tlv_data); 682 set_sec_size(pieces, IWL_UCODE_REGULAR, 683 IWL_UCODE_SECTION_DATA, tlv_len); 684 set_sec_offset(pieces, IWL_UCODE_REGULAR, 685 IWL_UCODE_SECTION_DATA, 686 IWLAGN_RTC_DATA_LOWER_BOUND); 687 break; 688 case IWL_UCODE_TLV_INIT: 689 set_sec_data(pieces, IWL_UCODE_INIT, 690 IWL_UCODE_SECTION_INST, tlv_data); 691 set_sec_size(pieces, IWL_UCODE_INIT, 692 IWL_UCODE_SECTION_INST, tlv_len); 693 set_sec_offset(pieces, IWL_UCODE_INIT, 694 IWL_UCODE_SECTION_INST, 695 IWLAGN_RTC_INST_LOWER_BOUND); 696 break; 697 case IWL_UCODE_TLV_INIT_DATA: 698 set_sec_data(pieces, IWL_UCODE_INIT, 699 IWL_UCODE_SECTION_DATA, tlv_data); 700 set_sec_size(pieces, IWL_UCODE_INIT, 701 IWL_UCODE_SECTION_DATA, tlv_len); 702 set_sec_offset(pieces, IWL_UCODE_INIT, 703 IWL_UCODE_SECTION_DATA, 704 IWLAGN_RTC_DATA_LOWER_BOUND); 705 break; 706 case IWL_UCODE_TLV_BOOT: 707 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 708 break; 709 case IWL_UCODE_TLV_PROBE_MAX_LEN: 710 if (tlv_len != sizeof(u32)) 711 goto invalid_tlv_len; 712 capa->max_probe_length = 713 le32_to_cpup((__le32 *)tlv_data); 714 break; 715 case IWL_UCODE_TLV_PAN: 716 if (tlv_len) 717 goto invalid_tlv_len; 718 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 719 break; 720 case IWL_UCODE_TLV_FLAGS: 721 /* must be at least one u32 */ 722 if (tlv_len < sizeof(u32)) 723 goto invalid_tlv_len; 724 /* and a proper number of u32s */ 725 if (tlv_len % sizeof(u32)) 726 goto invalid_tlv_len; 727 /* 728 * This driver only reads the first u32 as 729 * right now no more features are defined, 730 * if that changes then either the driver 731 * will not work with the new firmware, or 732 * it'll not take advantage of new features. 733 */ 734 capa->flags = le32_to_cpup((__le32 *)tlv_data); 735 break; 736 case IWL_UCODE_TLV_API_CHANGES_SET: 737 if (tlv_len != sizeof(struct iwl_ucode_api)) 738 goto invalid_tlv_len; 739 iwl_set_ucode_api_flags(drv, tlv_data, capa); 740 break; 741 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 742 if (tlv_len != sizeof(struct iwl_ucode_capa)) 743 goto invalid_tlv_len; 744 iwl_set_ucode_capabilities(drv, tlv_data, capa); 745 break; 746 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 747 if (tlv_len != sizeof(u32)) 748 goto invalid_tlv_len; 749 pieces->init_evtlog_ptr = 750 le32_to_cpup((__le32 *)tlv_data); 751 break; 752 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 753 if (tlv_len != sizeof(u32)) 754 goto invalid_tlv_len; 755 pieces->init_evtlog_size = 756 le32_to_cpup((__le32 *)tlv_data); 757 break; 758 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 759 if (tlv_len != sizeof(u32)) 760 goto invalid_tlv_len; 761 pieces->init_errlog_ptr = 762 le32_to_cpup((__le32 *)tlv_data); 763 break; 764 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 765 if (tlv_len != sizeof(u32)) 766 goto invalid_tlv_len; 767 pieces->inst_evtlog_ptr = 768 le32_to_cpup((__le32 *)tlv_data); 769 break; 770 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 771 if (tlv_len != sizeof(u32)) 772 goto invalid_tlv_len; 773 pieces->inst_evtlog_size = 774 le32_to_cpup((__le32 *)tlv_data); 775 break; 776 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 777 if (tlv_len != sizeof(u32)) 778 goto invalid_tlv_len; 779 pieces->inst_errlog_ptr = 780 le32_to_cpup((__le32 *)tlv_data); 781 break; 782 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 783 if (tlv_len) 784 goto invalid_tlv_len; 785 drv->fw.enhance_sensitivity_table = true; 786 break; 787 case IWL_UCODE_TLV_WOWLAN_INST: 788 set_sec_data(pieces, IWL_UCODE_WOWLAN, 789 IWL_UCODE_SECTION_INST, tlv_data); 790 set_sec_size(pieces, IWL_UCODE_WOWLAN, 791 IWL_UCODE_SECTION_INST, tlv_len); 792 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 793 IWL_UCODE_SECTION_INST, 794 IWLAGN_RTC_INST_LOWER_BOUND); 795 break; 796 case IWL_UCODE_TLV_WOWLAN_DATA: 797 set_sec_data(pieces, IWL_UCODE_WOWLAN, 798 IWL_UCODE_SECTION_DATA, tlv_data); 799 set_sec_size(pieces, IWL_UCODE_WOWLAN, 800 IWL_UCODE_SECTION_DATA, tlv_len); 801 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 802 IWL_UCODE_SECTION_DATA, 803 IWLAGN_RTC_DATA_LOWER_BOUND); 804 break; 805 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 806 if (tlv_len != sizeof(u32)) 807 goto invalid_tlv_len; 808 capa->standard_phy_calibration_size = 809 le32_to_cpup((__le32 *)tlv_data); 810 break; 811 case IWL_UCODE_TLV_SEC_RT: 812 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 813 tlv_len); 814 drv->fw.type = IWL_FW_MVM; 815 break; 816 case IWL_UCODE_TLV_SEC_INIT: 817 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 818 tlv_len); 819 drv->fw.type = IWL_FW_MVM; 820 break; 821 case IWL_UCODE_TLV_SEC_WOWLAN: 822 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 823 tlv_len); 824 drv->fw.type = IWL_FW_MVM; 825 break; 826 case IWL_UCODE_TLV_DEF_CALIB: 827 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 828 goto invalid_tlv_len; 829 if (iwl_set_default_calib(drv, tlv_data)) 830 goto tlv_error; 831 break; 832 case IWL_UCODE_TLV_PHY_SKU: 833 if (tlv_len != sizeof(u32)) 834 goto invalid_tlv_len; 835 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 836 drv->fw.valid_tx_ant = (drv->fw.phy_config & 837 FW_PHY_CFG_TX_CHAIN) >> 838 FW_PHY_CFG_TX_CHAIN_POS; 839 drv->fw.valid_rx_ant = (drv->fw.phy_config & 840 FW_PHY_CFG_RX_CHAIN) >> 841 FW_PHY_CFG_RX_CHAIN_POS; 842 break; 843 case IWL_UCODE_TLV_SECURE_SEC_RT: 844 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 845 tlv_len); 846 drv->fw.type = IWL_FW_MVM; 847 break; 848 case IWL_UCODE_TLV_SECURE_SEC_INIT: 849 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 850 tlv_len); 851 drv->fw.type = IWL_FW_MVM; 852 break; 853 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 854 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 855 tlv_len); 856 drv->fw.type = IWL_FW_MVM; 857 break; 858 case IWL_UCODE_TLV_NUM_OF_CPU: 859 if (tlv_len != sizeof(u32)) 860 goto invalid_tlv_len; 861 num_of_cpus = 862 le32_to_cpup((__le32 *)tlv_data); 863 864 if (num_of_cpus == 2) { 865 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 866 true; 867 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 868 true; 869 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 870 true; 871 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 872 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 873 return -EINVAL; 874 } 875 break; 876 case IWL_UCODE_TLV_CSCHEME: 877 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 878 goto invalid_tlv_len; 879 break; 880 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 881 if (tlv_len != sizeof(u32)) 882 goto invalid_tlv_len; 883 capa->n_scan_channels = 884 le32_to_cpup((__le32 *)tlv_data); 885 break; 886 case IWL_UCODE_TLV_FW_VERSION: { 887 __le32 *ptr = (void *)tlv_data; 888 u32 major, minor; 889 u8 local_comp; 890 891 if (tlv_len != sizeof(u32) * 3) 892 goto invalid_tlv_len; 893 894 major = le32_to_cpup(ptr++); 895 minor = le32_to_cpup(ptr++); 896 local_comp = le32_to_cpup(ptr); 897 898 if (major >= 35) 899 snprintf(drv->fw.fw_version, 900 sizeof(drv->fw.fw_version), 901 "%u.%08x.%u", major, minor, local_comp); 902 else 903 snprintf(drv->fw.fw_version, 904 sizeof(drv->fw.fw_version), 905 "%u.%u.%u", major, minor, local_comp); 906 break; 907 } 908 case IWL_UCODE_TLV_FW_DBG_DEST: { 909 struct iwl_fw_dbg_dest_tlv *dest = NULL; 910 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 911 u8 mon_mode; 912 913 pieces->dbg_dest_ver = (u8 *)tlv_data; 914 if (*pieces->dbg_dest_ver == 1) { 915 dest = (void *)tlv_data; 916 } else if (*pieces->dbg_dest_ver == 0) { 917 dest_v1 = (void *)tlv_data; 918 } else { 919 IWL_ERR(drv, 920 "The version is %d, and it is invalid\n", 921 *pieces->dbg_dest_ver); 922 break; 923 } 924 925 if (pieces->dbg_dest_tlv_init) { 926 IWL_ERR(drv, 927 "dbg destination ignored, already exists\n"); 928 break; 929 } 930 931 pieces->dbg_dest_tlv_init = true; 932 933 if (dest_v1) { 934 pieces->dbg_dest_tlv_v1 = dest_v1; 935 mon_mode = dest_v1->monitor_mode; 936 } else { 937 pieces->dbg_dest_tlv = dest; 938 mon_mode = dest->monitor_mode; 939 } 940 941 IWL_INFO(drv, "Found debug destination: %s\n", 942 get_fw_dbg_mode_string(mon_mode)); 943 944 drv->fw.dbg_dest_reg_num = (dest_v1) ? 945 tlv_len - 946 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 947 reg_ops) : 948 tlv_len - 949 offsetof(struct iwl_fw_dbg_dest_tlv, 950 reg_ops); 951 952 drv->fw.dbg_dest_reg_num /= 953 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); 954 955 break; 956 } 957 case IWL_UCODE_TLV_FW_DBG_CONF: { 958 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 959 960 if (!pieces->dbg_dest_tlv_init) { 961 IWL_ERR(drv, 962 "Ignore dbg config %d - no destination configured\n", 963 conf->id); 964 break; 965 } 966 967 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { 968 IWL_ERR(drv, 969 "Skip unknown configuration: %d\n", 970 conf->id); 971 break; 972 } 973 974 if (pieces->dbg_conf_tlv[conf->id]) { 975 IWL_ERR(drv, 976 "Ignore duplicate dbg config %d\n", 977 conf->id); 978 break; 979 } 980 981 if (conf->usniffer) 982 usniffer_req = true; 983 984 IWL_INFO(drv, "Found debug configuration: %d\n", 985 conf->id); 986 987 pieces->dbg_conf_tlv[conf->id] = conf; 988 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 989 break; 990 } 991 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 992 struct iwl_fw_dbg_trigger_tlv *trigger = 993 (void *)tlv_data; 994 u32 trigger_id = le32_to_cpu(trigger->id); 995 996 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { 997 IWL_ERR(drv, 998 "Skip unknown trigger: %u\n", 999 trigger->id); 1000 break; 1001 } 1002 1003 if (pieces->dbg_trigger_tlv[trigger_id]) { 1004 IWL_ERR(drv, 1005 "Ignore duplicate dbg trigger %u\n", 1006 trigger->id); 1007 break; 1008 } 1009 1010 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1011 1012 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1013 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1014 break; 1015 } 1016 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1017 if (tlv_len != sizeof(u32)) { 1018 IWL_ERR(drv, 1019 "dbg lst mask size incorrect, skip\n"); 1020 break; 1021 } 1022 1023 drv->fw.dbg_dump_mask = 1024 le32_to_cpup((__le32 *)tlv_data); 1025 break; 1026 } 1027 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1028 *usniffer_images = true; 1029 iwl_store_ucode_sec(pieces, tlv_data, 1030 IWL_UCODE_REGULAR_USNIFFER, 1031 tlv_len); 1032 break; 1033 case IWL_UCODE_TLV_PAGING: 1034 if (tlv_len != sizeof(u32)) 1035 goto invalid_tlv_len; 1036 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1037 1038 IWL_DEBUG_FW(drv, 1039 "Paging: paging enabled (size = %u bytes)\n", 1040 paging_mem_size); 1041 1042 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1043 IWL_ERR(drv, 1044 "Paging: driver supports up to %lu bytes for paging image\n", 1045 MAX_PAGING_IMAGE_SIZE); 1046 return -EINVAL; 1047 } 1048 1049 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1050 IWL_ERR(drv, 1051 "Paging: image isn't multiple %lu\n", 1052 FW_PAGING_SIZE); 1053 return -EINVAL; 1054 } 1055 1056 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1057 paging_mem_size; 1058 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1059 drv->fw.img[usniffer_img].paging_mem_size = 1060 paging_mem_size; 1061 break; 1062 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1063 /* ignored */ 1064 break; 1065 case IWL_UCODE_TLV_FW_MEM_SEG: { 1066 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1067 (void *)tlv_data; 1068 u32 type; 1069 size_t size; 1070 struct iwl_fw_dbg_mem_seg_tlv *n; 1071 1072 if (tlv_len != (sizeof(*dbg_mem))) 1073 goto invalid_tlv_len; 1074 1075 type = le32_to_cpu(dbg_mem->data_type); 1076 1077 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1078 dbg_mem->data_type); 1079 1080 switch (type & FW_DBG_MEM_TYPE_MASK) { 1081 case FW_DBG_MEM_TYPE_REGULAR: 1082 case FW_DBG_MEM_TYPE_PRPH: 1083 /* we know how to handle these */ 1084 break; 1085 default: 1086 IWL_ERR(drv, 1087 "Found debug memory segment with invalid type: 0x%x\n", 1088 type); 1089 return -EINVAL; 1090 } 1091 1092 size = sizeof(*pieces->dbg_mem_tlv) * 1093 (pieces->n_dbg_mem_tlv + 1); 1094 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1095 if (!n) 1096 return -ENOMEM; 1097 pieces->dbg_mem_tlv = n; 1098 pieces->dbg_mem_tlv[pieces->n_dbg_mem_tlv] = *dbg_mem; 1099 pieces->n_dbg_mem_tlv++; 1100 break; 1101 } 1102 case IWL_UCODE_TLV_IML: { 1103 drv->fw.iml_len = tlv_len; 1104 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1105 if (!drv->fw.iml) 1106 return -ENOMEM; 1107 break; 1108 } 1109 default: 1110 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1111 break; 1112 } 1113 } 1114 1115 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1116 usniffer_req && !*usniffer_images) { 1117 IWL_ERR(drv, 1118 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1119 return -EINVAL; 1120 } 1121 1122 if (len) { 1123 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1124 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1125 return -EINVAL; 1126 } 1127 1128 return 0; 1129 1130 invalid_tlv_len: 1131 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1132 tlv_error: 1133 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1134 1135 return -EINVAL; 1136 } 1137 1138 static int iwl_alloc_ucode(struct iwl_drv *drv, 1139 struct iwl_firmware_pieces *pieces, 1140 enum iwl_ucode_type type) 1141 { 1142 int i; 1143 struct fw_desc *sec; 1144 1145 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1146 if (!sec) 1147 return -ENOMEM; 1148 drv->fw.img[type].sec = sec; 1149 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1150 1151 for (i = 0; i < pieces->img[type].sec_counter; i++) 1152 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1153 return -ENOMEM; 1154 1155 return 0; 1156 } 1157 1158 static int validate_sec_sizes(struct iwl_drv *drv, 1159 struct iwl_firmware_pieces *pieces, 1160 const struct iwl_cfg *cfg) 1161 { 1162 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1163 get_sec_size(pieces, IWL_UCODE_REGULAR, 1164 IWL_UCODE_SECTION_INST)); 1165 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1166 get_sec_size(pieces, IWL_UCODE_REGULAR, 1167 IWL_UCODE_SECTION_DATA)); 1168 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1169 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1170 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1171 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1172 1173 /* Verify that uCode images will fit in card's SRAM. */ 1174 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1175 cfg->max_inst_size) { 1176 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1177 get_sec_size(pieces, IWL_UCODE_REGULAR, 1178 IWL_UCODE_SECTION_INST)); 1179 return -1; 1180 } 1181 1182 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1183 cfg->max_data_size) { 1184 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1185 get_sec_size(pieces, IWL_UCODE_REGULAR, 1186 IWL_UCODE_SECTION_DATA)); 1187 return -1; 1188 } 1189 1190 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1191 cfg->max_inst_size) { 1192 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1193 get_sec_size(pieces, IWL_UCODE_INIT, 1194 IWL_UCODE_SECTION_INST)); 1195 return -1; 1196 } 1197 1198 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1199 cfg->max_data_size) { 1200 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1201 get_sec_size(pieces, IWL_UCODE_REGULAR, 1202 IWL_UCODE_SECTION_DATA)); 1203 return -1; 1204 } 1205 return 0; 1206 } 1207 1208 static struct iwl_op_mode * 1209 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1210 { 1211 const struct iwl_op_mode_ops *ops = op->ops; 1212 struct dentry *dbgfs_dir = NULL; 1213 struct iwl_op_mode *op_mode = NULL; 1214 1215 #ifdef CONFIG_IWLWIFI_DEBUGFS 1216 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1217 drv->dbgfs_drv); 1218 if (!drv->dbgfs_op_mode) { 1219 IWL_ERR(drv, 1220 "failed to create opmode debugfs directory\n"); 1221 return op_mode; 1222 } 1223 dbgfs_dir = drv->dbgfs_op_mode; 1224 #endif 1225 1226 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1227 1228 #ifdef CONFIG_IWLWIFI_DEBUGFS 1229 if (!op_mode) { 1230 debugfs_remove_recursive(drv->dbgfs_op_mode); 1231 drv->dbgfs_op_mode = NULL; 1232 } 1233 #endif 1234 1235 return op_mode; 1236 } 1237 1238 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1239 { 1240 /* op_mode can be NULL if its start failed */ 1241 if (drv->op_mode) { 1242 iwl_op_mode_stop(drv->op_mode); 1243 drv->op_mode = NULL; 1244 1245 #ifdef CONFIG_IWLWIFI_DEBUGFS 1246 debugfs_remove_recursive(drv->dbgfs_op_mode); 1247 drv->dbgfs_op_mode = NULL; 1248 #endif 1249 } 1250 } 1251 1252 /** 1253 * iwl_req_fw_callback - callback when firmware was loaded 1254 * 1255 * If loaded successfully, copies the firmware into buffers 1256 * for the card to fetch (via DMA). 1257 */ 1258 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1259 { 1260 struct iwl_drv *drv = context; 1261 struct iwl_fw *fw = &drv->fw; 1262 struct iwl_ucode_header *ucode; 1263 struct iwlwifi_opmode_table *op; 1264 int err; 1265 struct iwl_firmware_pieces *pieces; 1266 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1267 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1268 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1269 u32 api_ver; 1270 int i; 1271 bool load_module = false; 1272 bool usniffer_images = false; 1273 1274 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1275 fw->ucode_capa.standard_phy_calibration_size = 1276 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1277 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1278 /* dump all fw memory areas by default */ 1279 fw->dbg_dump_mask = 0xffffffff; 1280 1281 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1282 if (!pieces) 1283 goto out_free_fw; 1284 1285 if (!ucode_raw) 1286 goto try_again; 1287 1288 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1289 drv->firmware_name, ucode_raw->size); 1290 1291 /* Make sure that we got at least the API version number */ 1292 if (ucode_raw->size < 4) { 1293 IWL_ERR(drv, "File size way too small!\n"); 1294 goto try_again; 1295 } 1296 1297 /* Data from ucode file: header followed by uCode images */ 1298 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1299 1300 if (ucode->ver) 1301 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1302 else 1303 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1304 &fw->ucode_capa, &usniffer_images); 1305 1306 if (err) 1307 goto try_again; 1308 1309 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1310 api_ver = drv->fw.ucode_ver; 1311 else 1312 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1313 1314 /* 1315 * api_ver should match the api version forming part of the 1316 * firmware filename ... but we don't check for that and only rely 1317 * on the API version read from firmware header from here on forward 1318 */ 1319 if (api_ver < api_min || api_ver > api_max) { 1320 IWL_ERR(drv, 1321 "Driver unable to support your firmware API. " 1322 "Driver supports v%u, firmware is v%u.\n", 1323 api_max, api_ver); 1324 goto try_again; 1325 } 1326 1327 /* 1328 * In mvm uCode there is no difference between data and instructions 1329 * sections. 1330 */ 1331 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1332 drv->trans->cfg)) 1333 goto try_again; 1334 1335 /* Allocate ucode buffers for card's bus-master loading ... */ 1336 1337 /* Runtime instructions and 2 copies of data: 1338 * 1) unmodified from disk 1339 * 2) backup cache for save/restore during power-downs 1340 */ 1341 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1342 if (iwl_alloc_ucode(drv, pieces, i)) 1343 goto out_free_fw; 1344 1345 if (pieces->dbg_dest_tlv_init) { 1346 size_t dbg_dest_size = sizeof(*drv->fw.dbg_dest_tlv) + 1347 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]) * 1348 drv->fw.dbg_dest_reg_num; 1349 1350 drv->fw.dbg_dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1351 1352 if (!drv->fw.dbg_dest_tlv) 1353 goto out_free_fw; 1354 1355 if (*pieces->dbg_dest_ver == 0) { 1356 memcpy(drv->fw.dbg_dest_tlv, pieces->dbg_dest_tlv_v1, 1357 dbg_dest_size); 1358 } else { 1359 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1360 drv->fw.dbg_dest_tlv; 1361 1362 dest_tlv->version = pieces->dbg_dest_tlv->version; 1363 dest_tlv->monitor_mode = 1364 pieces->dbg_dest_tlv->monitor_mode; 1365 dest_tlv->size_power = 1366 pieces->dbg_dest_tlv->size_power; 1367 dest_tlv->wrap_count = 1368 pieces->dbg_dest_tlv->wrap_count; 1369 dest_tlv->write_ptr_reg = 1370 pieces->dbg_dest_tlv->write_ptr_reg; 1371 dest_tlv->base_shift = 1372 pieces->dbg_dest_tlv->base_shift; 1373 memcpy(dest_tlv->reg_ops, 1374 pieces->dbg_dest_tlv->reg_ops, 1375 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]) * 1376 drv->fw.dbg_dest_reg_num); 1377 1378 /* In version 1 of the destination tlv, which is 1379 * relevant for internal buffer exclusively, 1380 * the base address is part of given with the length 1381 * of the buffer, and the size shift is give instead of 1382 * end shift. We now store these values in base_reg, 1383 * and end shift, and when dumping the data we'll 1384 * manipulate it for extracting both the length and 1385 * base address */ 1386 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1387 dest_tlv->end_shift = 1388 pieces->dbg_dest_tlv->size_shift; 1389 } 1390 } 1391 1392 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { 1393 if (pieces->dbg_conf_tlv[i]) { 1394 drv->fw.dbg_conf_tlv_len[i] = 1395 pieces->dbg_conf_tlv_len[i]; 1396 drv->fw.dbg_conf_tlv[i] = 1397 kmemdup(pieces->dbg_conf_tlv[i], 1398 drv->fw.dbg_conf_tlv_len[i], 1399 GFP_KERNEL); 1400 if (!drv->fw.dbg_conf_tlv[i]) 1401 goto out_free_fw; 1402 } 1403 } 1404 1405 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1406 1407 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1408 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1409 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1410 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1411 sizeof(struct iwl_fw_dbg_trigger_cmd); 1412 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1413 sizeof(struct iwl_fw_dbg_trigger_mlme); 1414 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1415 sizeof(struct iwl_fw_dbg_trigger_stats); 1416 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1417 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1418 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1419 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1420 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1421 sizeof(struct iwl_fw_dbg_trigger_time_event); 1422 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1423 sizeof(struct iwl_fw_dbg_trigger_ba); 1424 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1425 sizeof(struct iwl_fw_dbg_trigger_tdls); 1426 1427 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { 1428 if (pieces->dbg_trigger_tlv[i]) { 1429 /* 1430 * If the trigger isn't long enough, WARN and exit. 1431 * Someone is trying to debug something and he won't 1432 * be able to catch the bug he is trying to chase. 1433 * We'd better be noisy to be sure he knows what's 1434 * going on. 1435 */ 1436 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1437 (trigger_tlv_sz[i] + 1438 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1439 goto out_free_fw; 1440 drv->fw.dbg_trigger_tlv_len[i] = 1441 pieces->dbg_trigger_tlv_len[i]; 1442 drv->fw.dbg_trigger_tlv[i] = 1443 kmemdup(pieces->dbg_trigger_tlv[i], 1444 drv->fw.dbg_trigger_tlv_len[i], 1445 GFP_KERNEL); 1446 if (!drv->fw.dbg_trigger_tlv[i]) 1447 goto out_free_fw; 1448 } 1449 } 1450 1451 /* Now that we can no longer fail, copy information */ 1452 1453 drv->fw.dbg_mem_tlv = pieces->dbg_mem_tlv; 1454 pieces->dbg_mem_tlv = NULL; 1455 drv->fw.n_dbg_mem_tlv = pieces->n_dbg_mem_tlv; 1456 1457 /* 1458 * The (size - 16) / 12 formula is based on the information recorded 1459 * for each event, which is of mode 1 (including timestamp) for all 1460 * new microcodes that include this information. 1461 */ 1462 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1463 if (pieces->init_evtlog_size) 1464 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1465 else 1466 fw->init_evtlog_size = 1467 drv->trans->cfg->base_params->max_event_log_size; 1468 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1469 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1470 if (pieces->inst_evtlog_size) 1471 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1472 else 1473 fw->inst_evtlog_size = 1474 drv->trans->cfg->base_params->max_event_log_size; 1475 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1476 1477 /* 1478 * figure out the offset of chain noise reset and gain commands 1479 * base on the size of standard phy calibration commands table size 1480 */ 1481 if (fw->ucode_capa.standard_phy_calibration_size > 1482 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1483 fw->ucode_capa.standard_phy_calibration_size = 1484 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1485 1486 /* We have our copies now, allow OS release its copies */ 1487 release_firmware(ucode_raw); 1488 1489 mutex_lock(&iwlwifi_opmode_table_mtx); 1490 switch (fw->type) { 1491 case IWL_FW_DVM: 1492 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1493 break; 1494 default: 1495 WARN(1, "Invalid fw type %d\n", fw->type); 1496 case IWL_FW_MVM: 1497 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1498 break; 1499 } 1500 1501 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1502 drv->fw.fw_version, op->name); 1503 1504 /* add this device to the list of devices using this op_mode */ 1505 list_add_tail(&drv->list, &op->drv); 1506 1507 if (op->ops) { 1508 drv->op_mode = _iwl_op_mode_start(drv, op); 1509 1510 if (!drv->op_mode) { 1511 mutex_unlock(&iwlwifi_opmode_table_mtx); 1512 goto out_unbind; 1513 } 1514 } else { 1515 load_module = true; 1516 } 1517 mutex_unlock(&iwlwifi_opmode_table_mtx); 1518 1519 /* 1520 * Complete the firmware request last so that 1521 * a driver unbind (stop) doesn't run while we 1522 * are doing the start() above. 1523 */ 1524 complete(&drv->request_firmware_complete); 1525 1526 /* 1527 * Load the module last so we don't block anything 1528 * else from proceeding if the module fails to load 1529 * or hangs loading. 1530 */ 1531 if (load_module) { 1532 request_module("%s", op->name); 1533 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1534 if (err) 1535 IWL_ERR(drv, 1536 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1537 op->name, err); 1538 #endif 1539 } 1540 goto free; 1541 1542 try_again: 1543 /* try next, if any */ 1544 release_firmware(ucode_raw); 1545 if (iwl_request_firmware(drv, false)) 1546 goto out_unbind; 1547 goto free; 1548 1549 out_free_fw: 1550 iwl_dealloc_ucode(drv); 1551 release_firmware(ucode_raw); 1552 out_unbind: 1553 complete(&drv->request_firmware_complete); 1554 device_release_driver(drv->trans->dev); 1555 free: 1556 if (pieces) { 1557 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1558 kfree(pieces->img[i].sec); 1559 kfree(pieces->dbg_mem_tlv); 1560 kfree(pieces); 1561 } 1562 } 1563 1564 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1565 { 1566 struct iwl_drv *drv; 1567 int ret; 1568 1569 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1570 if (!drv) { 1571 ret = -ENOMEM; 1572 goto err; 1573 } 1574 1575 drv->trans = trans; 1576 drv->dev = trans->dev; 1577 1578 init_completion(&drv->request_firmware_complete); 1579 INIT_LIST_HEAD(&drv->list); 1580 1581 #ifdef CONFIG_IWLWIFI_DEBUGFS 1582 /* Create the device debugfs entries. */ 1583 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1584 iwl_dbgfs_root); 1585 1586 if (!drv->dbgfs_drv) { 1587 IWL_ERR(drv, "failed to create debugfs directory\n"); 1588 ret = -ENOMEM; 1589 goto err_free_drv; 1590 } 1591 1592 /* Create transport layer debugfs dir */ 1593 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1594 1595 if (!drv->trans->dbgfs_dir) { 1596 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1597 ret = -ENOMEM; 1598 goto err_free_dbgfs; 1599 } 1600 #endif 1601 1602 ret = iwl_request_firmware(drv, true); 1603 if (ret) { 1604 IWL_ERR(trans, "Couldn't request the fw\n"); 1605 goto err_fw; 1606 } 1607 1608 return drv; 1609 1610 err_fw: 1611 #ifdef CONFIG_IWLWIFI_DEBUGFS 1612 err_free_dbgfs: 1613 debugfs_remove_recursive(drv->dbgfs_drv); 1614 err_free_drv: 1615 #endif 1616 kfree(drv); 1617 err: 1618 return ERR_PTR(ret); 1619 } 1620 1621 void iwl_drv_stop(struct iwl_drv *drv) 1622 { 1623 wait_for_completion(&drv->request_firmware_complete); 1624 1625 _iwl_op_mode_stop(drv); 1626 1627 iwl_dealloc_ucode(drv); 1628 1629 mutex_lock(&iwlwifi_opmode_table_mtx); 1630 /* 1631 * List is empty (this item wasn't added) 1632 * when firmware loading failed -- in that 1633 * case we can't remove it from any list. 1634 */ 1635 if (!list_empty(&drv->list)) 1636 list_del(&drv->list); 1637 mutex_unlock(&iwlwifi_opmode_table_mtx); 1638 1639 #ifdef CONFIG_IWLWIFI_DEBUGFS 1640 debugfs_remove_recursive(drv->dbgfs_drv); 1641 #endif 1642 1643 kfree(drv); 1644 } 1645 1646 1647 /* shared module parameters */ 1648 struct iwl_mod_params iwlwifi_mod_params = { 1649 .fw_restart = true, 1650 .bt_coex_active = true, 1651 .power_level = IWL_POWER_INDEX_1, 1652 .d0i3_disable = true, 1653 .d0i3_timeout = 1000, 1654 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1655 /* the rest are 0 by default */ 1656 }; 1657 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1658 1659 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1660 { 1661 int i; 1662 struct iwl_drv *drv; 1663 struct iwlwifi_opmode_table *op; 1664 1665 mutex_lock(&iwlwifi_opmode_table_mtx); 1666 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1667 op = &iwlwifi_opmode_table[i]; 1668 if (strcmp(op->name, name)) 1669 continue; 1670 op->ops = ops; 1671 /* TODO: need to handle exceptional case */ 1672 list_for_each_entry(drv, &op->drv, list) 1673 drv->op_mode = _iwl_op_mode_start(drv, op); 1674 1675 mutex_unlock(&iwlwifi_opmode_table_mtx); 1676 return 0; 1677 } 1678 mutex_unlock(&iwlwifi_opmode_table_mtx); 1679 return -EIO; 1680 } 1681 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1682 1683 void iwl_opmode_deregister(const char *name) 1684 { 1685 int i; 1686 struct iwl_drv *drv; 1687 1688 mutex_lock(&iwlwifi_opmode_table_mtx); 1689 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1690 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1691 continue; 1692 iwlwifi_opmode_table[i].ops = NULL; 1693 1694 /* call the stop routine for all devices */ 1695 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1696 _iwl_op_mode_stop(drv); 1697 1698 mutex_unlock(&iwlwifi_opmode_table_mtx); 1699 return; 1700 } 1701 mutex_unlock(&iwlwifi_opmode_table_mtx); 1702 } 1703 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1704 1705 static int __init iwl_drv_init(void) 1706 { 1707 int i; 1708 1709 mutex_init(&iwlwifi_opmode_table_mtx); 1710 1711 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1712 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1713 1714 pr_info(DRV_DESCRIPTION "\n"); 1715 pr_info(DRV_COPYRIGHT "\n"); 1716 1717 #ifdef CONFIG_IWLWIFI_DEBUGFS 1718 /* Create the root of iwlwifi debugfs subsystem. */ 1719 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1720 1721 if (!iwl_dbgfs_root) 1722 return -EFAULT; 1723 #endif 1724 1725 return iwl_pci_register_driver(); 1726 } 1727 module_init(iwl_drv_init); 1728 1729 static void __exit iwl_drv_exit(void) 1730 { 1731 iwl_pci_unregister_driver(); 1732 1733 #ifdef CONFIG_IWLWIFI_DEBUGFS 1734 debugfs_remove_recursive(iwl_dbgfs_root); 1735 #endif 1736 } 1737 module_exit(iwl_drv_exit); 1738 1739 #ifdef CONFIG_IWLWIFI_DEBUG 1740 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1741 MODULE_PARM_DESC(debug, "debug output mask"); 1742 #endif 1743 1744 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1745 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1746 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1747 MODULE_PARM_DESC(11n_disable, 1748 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1749 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1750 MODULE_PARM_DESC(amsdu_size, 1751 "amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, " 1752 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)"); 1753 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1754 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1755 1756 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1757 int, 0444); 1758 MODULE_PARM_DESC(antenna_coupling, 1759 "specify antenna coupling in dB (default: 0 dB)"); 1760 1761 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1762 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1763 1764 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, bool, 0444); 1765 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1766 1767 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444); 1768 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1769 1770 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1771 MODULE_PARM_DESC(uapsd_disable, 1772 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1773 1774 /* 1775 * set bt_coex_active to true, uCode will do kill/defer 1776 * every time the priority line is asserted (BT is sending signals on the 1777 * priority line in the PCIx). 1778 * set bt_coex_active to false, uCode will ignore the BT activity and 1779 * perform the normal operation 1780 * 1781 * User might experience transmit issue on some platform due to WiFi/BT 1782 * co-exist problem. The possible behaviors are: 1783 * Able to scan and finding all the available AP 1784 * Not able to associate with any AP 1785 * On those platforms, WiFi communication can be restored by set 1786 * "bt_coex_active" module parameter to "false" 1787 * 1788 * default: bt_coex_active = true (BT_COEX_ENABLE) 1789 */ 1790 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1791 bool, 0444); 1792 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1793 1794 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1795 MODULE_PARM_DESC(led_mode, "0=system default, " 1796 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1797 1798 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1799 MODULE_PARM_DESC(power_save, 1800 "enable WiFi power management (default: disable)"); 1801 1802 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1803 MODULE_PARM_DESC(power_level, 1804 "default power save level (range from 1 - 5, default: 1)"); 1805 1806 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444); 1807 MODULE_PARM_DESC(fw_monitor, 1808 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1809 1810 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, uint, 0444); 1811 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1812 1813 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1814 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1815 1816 module_param_named(remove_when_gone, 1817 iwlwifi_mod_params.remove_when_gone, bool, 1818 0444); 1819 MODULE_PARM_DESC(remove_when_gone, 1820 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1821 1822 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1823 S_IRUGO); 1824 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1825