drivers/net/wireless/iwlwifi/iwl-drv.c

   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  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of version 2 of the GNU General Public License as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  23  * USA
  24  *
  25  * The full GNU General Public License is included in this distribution
  26  * in the file called COPYING.
  27  *
  28  * Contact Information:
  29  *  Intel Linux Wireless <ilw@linux.intel.com>
  30  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  31  *
  32  * BSD LICENSE
  33  *
  34  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  35  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  36  * All rights reserved.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  *
  42  *  * Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  *  * Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in
  46  *    the documentation and/or other materials provided with the
  47  *    distribution.
  48  *  * Neither the name Intel Corporation nor the names of its
  49  *    contributors may be used to endorse or promote products derived
  50  *    from this software without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  57  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  58  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  59  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  60  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  61  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  63  *
  64  *****************************************************************************/
  65 #include <linux/completion.h>
  66 #include <linux/dma-mapping.h>
  67 #include <linux/firmware.h>
  68 #include <linux/module.h>
  69 #include <linux/vmalloc.h>
  70
  71 #include "iwl-drv.h"
  72 #include "iwl-csr.h"
  73 #include "iwl-debug.h"
  74 #include "iwl-trans.h"
  75 #include "iwl-op-mode.h"
  76 #include "iwl-agn-hw.h"
  77 #include "iwl-fw.h"
  78 #include "iwl-config.h"
  79 #include "iwl-modparams.h"
  80
  81 /******************************************************************************
  82  *
  83  * module boiler plate
  84  *
  85  ******************************************************************************/
  86
  87 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
  88 MODULE_DESCRIPTION(DRV_DESCRIPTION);
  89 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
  90 MODULE_LICENSE("GPL");
  91
  92 #ifdef CONFIG_IWLWIFI_DEBUGFS
  93 static struct dentry *iwl_dbgfs_root;
  94 #endif
  95
  96 /**
  97  * struct iwl_drv - drv common data
  98  * @list: list of drv structures using this opmode
  99  * @fw: the iwl_fw structure
 100  * @op_mode: the running op_mode
 101  * @trans: transport layer
 102  * @dev: for debug prints only
 103  * @cfg: configuration struct
 104  * @fw_index: firmware revision to try loading
 105  * @firmware_name: composite filename of ucode file to load
 106  * @request_firmware_complete: the firmware has been obtained from user space
 107  */
 108 struct iwl_drv {
 109         struct list_head list;
 110         struct iwl_fw fw;
 111
 112         struct iwl_op_mode *op_mode;
 113         struct iwl_trans *trans;
 114         struct device *dev;
 115         const struct iwl_cfg *cfg;
 116
 117         int fw_index;                   /* firmware we're trying to load */
 118         char firmware_name[32];         /* 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 =   0,
 131         MVM_OP_MODE =   1,
 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 < IWL_UCODE_SECTION_MAX; i++)
 168                 iwl_free_fw_desc(drv, &img->sec[i]);
 169 }
 170
 171 static void iwl_dealloc_ucode(struct iwl_drv *drv)
 172 {
 173         int i;
 174
 175         kfree(drv->fw.dbg_dest_tlv);
 176         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
 177                 kfree(drv->fw.dbg_conf_tlv[i]);
 178         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
 179                 kfree(drv->fw.dbg_trigger_tlv[i]);
 180
 181         for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
 182                 iwl_free_fw_img(drv, drv->fw.img + i);
 183 }
 184
 185 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
 186                              struct fw_sec *sec)
 187 {
 188         void *data;
 189
 190         desc->data = NULL;
 191
 192         if (!sec || !sec->size)
 193                 return -EINVAL;
 194
 195         data = vmalloc(sec->size);
 196         if (!data)
 197                 return -ENOMEM;
 198
 199         desc->len = sec->size;
 200         desc->offset = sec->offset;
 201         memcpy(data, sec->data, desc->len);
 202         desc->data = data;
 203
 204         return 0;
 205 }
 206
 207 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
 208                                 void *context);
 209
 210 #define UCODE_EXPERIMENTAL_INDEX        100
 211 #define UCODE_EXPERIMENTAL_TAG          "exp"
 212
 213 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
 214 {
 215         const char *name_pre = drv->cfg->fw_name_pre;
 216         char tag[8];
 217
 218         if (first) {
 219 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
 220                 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
 221                 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
 222         } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
 223 #endif
 224                 drv->fw_index = drv->cfg->ucode_api_max;
 225                 sprintf(tag, "%d", drv->fw_index);
 226         } else {
 227                 drv->fw_index--;
 228                 sprintf(tag, "%d", drv->fw_index);
 229         }
 230
 231         if (drv->fw_index < drv->cfg->ucode_api_min) {
 232                 IWL_ERR(drv, "no suitable firmware found!\n");
 233                 return -ENOENT;
 234         }
 235
 236         snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
 237                  name_pre, tag);
 238
 239         /*
 240          * Starting 8000B - FW name format has changed. This overwrites the
 241          * previous name and uses the new format.
 242          */
 243         if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
 244                 char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev);
 245
 246                 snprintf(drv->firmware_name, sizeof(drv->firmware_name),
 247                          "%s%c-%s.ucode", name_pre, rev_step, tag);
 248         }
 249
 250         IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
 251                        (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
 252                                 ? "EXPERIMENTAL " : "",
 253                        drv->firmware_name);
 254
 255         return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
 256                                        drv->trans->dev,
 257                                        GFP_KERNEL, drv, iwl_req_fw_callback);
 258 }
 259
 260 struct fw_img_parsing {
 261         struct fw_sec sec[IWL_UCODE_SECTION_MAX];
 262         int sec_counter;
 263 };
 264
 265 /*
 266  * struct fw_sec_parsing: to extract fw section and it's offset from tlv
 267  */
 268 struct fw_sec_parsing {
 269         __le32 offset;
 270         const u8 data[];
 271 } __packed;
 272
 273 /**
 274  * struct iwl_tlv_calib_data - parse the default calib data from TLV
 275  *
 276  * @ucode_type: the uCode to which the following default calib relates.
 277  * @calib: default calibrations.
 278  */
 279 struct iwl_tlv_calib_data {
 280         __le32 ucode_type;
 281         struct iwl_tlv_calib_ctrl calib;
 282 } __packed;
 283
 284 struct iwl_firmware_pieces {
 285         struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
 286
 287         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 288         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 289
 290         /* FW debug data parsed for driver usage */
 291         struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
 292         struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
 293         size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
 294         struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
 295         size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
 296 };
 297
 298 /*
 299  * These functions are just to extract uCode section data from the pieces
 300  * structure.
 301  */
 302 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
 303                               enum iwl_ucode_type type,
 304                               int  sec)
 305 {
 306         return &pieces->img[type].sec[sec];
 307 }
 308
 309 static void set_sec_data(struct iwl_firmware_pieces *pieces,
 310                          enum iwl_ucode_type type,
 311                          int sec,
 312                          const void *data)
 313 {
 314         pieces->img[type].sec[sec].data = data;
 315 }
 316
 317 static void set_sec_size(struct iwl_firmware_pieces *pieces,
 318                          enum iwl_ucode_type type,
 319                          int sec,
 320                          size_t size)
 321 {
 322         pieces->img[type].sec[sec].size = size;
 323 }
 324
 325 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
 326                            enum iwl_ucode_type type,
 327                            int sec)
 328 {
 329         return pieces->img[type].sec[sec].size;
 330 }
 331
 332 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
 333                            enum iwl_ucode_type type,
 334                            int sec,
 335                            u32 offset)
 336 {
 337         pieces->img[type].sec[sec].offset = offset;
 338 }
 339
 340 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
 341 {
 342         int i, j;
 343         struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
 344         struct iwl_fw_cipher_scheme *fwcs;
 345         struct ieee80211_cipher_scheme *cs;
 346         u32 cipher;
 347
 348         if (len < sizeof(*l) ||
 349             len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
 350                 return -EINVAL;
 351
 352         for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
 353                 fwcs = &l->cs[j];
 354                 cipher = le32_to_cpu(fwcs->cipher);
 355
 356                 /* we skip schemes with zero cipher suite selector */
 357                 if (!cipher)
 358                         continue;
 359
 360                 cs = &fw->cs[j++];
 361                 cs->cipher = cipher;
 362                 cs->iftype = BIT(NL80211_IFTYPE_STATION);
 363                 cs->hdr_len = fwcs->hdr_len;
 364                 cs->pn_len = fwcs->pn_len;
 365                 cs->pn_off = fwcs->pn_off;
 366                 cs->key_idx_off = fwcs->key_idx_off;
 367                 cs->key_idx_mask = fwcs->key_idx_mask;
 368                 cs->key_idx_shift = fwcs->key_idx_shift;
 369                 cs->mic_len = fwcs->mic_len;
 370         }
 371
 372         return 0;
 373 }
 374
 375 static int iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
 376                                 const u32 len)
 377 {
 378         struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
 379         struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
 380
 381         if (len < sizeof(*fw_capa))
 382                 return -EINVAL;
 383
 384         capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
 385         capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
 386         capa->max_ap_cache_per_scan =
 387                 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
 388         capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
 389         capa->max_scan_reporting_threshold =
 390                 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
 391         capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
 392         capa->max_significant_change_aps =
 393                 le32_to_cpu(fw_capa->max_significant_change_aps);
 394         capa->max_bssid_history_entries =
 395                 le32_to_cpu(fw_capa->max_bssid_history_entries);
 396         return 0;
 397 }
 398
 399 /*
 400  * Gets uCode section from tlv.
 401  */
 402 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
 403                                const void *data, enum iwl_ucode_type type,
 404                                int size)
 405 {
 406         struct fw_img_parsing *img;
 407         struct fw_sec *sec;
 408         struct fw_sec_parsing *sec_parse;
 409
 410         if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
 411                 return -1;
 412
 413         sec_parse = (struct fw_sec_parsing *)data;
 414
 415         img = &pieces->img[type];
 416         sec = &img->sec[img->sec_counter];
 417
 418         sec->offset = le32_to_cpu(sec_parse->offset);
 419         sec->data = sec_parse->data;
 420         sec->size = size - sizeof(sec_parse->offset);
 421
 422         ++img->sec_counter;
 423
 424         return 0;
 425 }
 426
 427 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
 428 {
 429         struct iwl_tlv_calib_data *def_calib =
 430                                         (struct iwl_tlv_calib_data *)data;
 431         u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
 432         if (ucode_type >= IWL_UCODE_TYPE_MAX) {
 433                 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
 434                         ucode_type);
 435                 return -EINVAL;
 436         }
 437         drv->fw.default_calib[ucode_type].flow_trigger =
 438                 def_calib->calib.flow_trigger;
 439         drv->fw.default_calib[ucode_type].event_trigger =
 440                 def_calib->calib.event_trigger;
 441
 442         return 0;
 443 }
 444
 445 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
 446                                    struct iwl_ucode_capabilities *capa)
 447 {
 448         const struct iwl_ucode_api *ucode_api = (void *)data;
 449         u32 api_index = le32_to_cpu(ucode_api->api_index);
 450         u32 api_flags = le32_to_cpu(ucode_api->api_flags);
 451         int i;
 452
 453         if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
 454                 IWL_ERR(drv, "api_index larger than supported by driver\n");
 455                 /* don't return an error so we can load FW that has more bits */
 456                 return 0;
 457         }
 458
 459         for (i = 0; i < 32; i++) {
 460                 if (api_flags & BIT(i))
 461                         __set_bit(i + 32 * api_index, capa->_api);
 462         }
 463
 464         return 0;
 465 }
 466
 467 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
 468                                       struct iwl_ucode_capabilities *capa)
 469 {
 470         const struct iwl_ucode_capa *ucode_capa = (void *)data;
 471         u32 api_index = le32_to_cpu(ucode_capa->api_index);
 472         u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
 473         int i;
 474
 475         if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
 476                 IWL_ERR(drv, "api_index larger than supported by driver\n");
 477                 /* don't return an error so we can load FW that has more bits */
 478                 return 0;
 479         }
 480
 481         for (i = 0; i < 32; i++) {
 482                 if (api_flags & BIT(i))
 483                         __set_bit(i + 32 * api_index, capa->_capa);
 484         }
 485
 486         return 0;
 487 }
 488
 489 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
 490                                     const struct firmware *ucode_raw,
 491                                     struct iwl_firmware_pieces *pieces)
 492 {
 493         struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
 494         u32 api_ver, hdr_size, build;
 495         char buildstr[25];
 496         const u8 *src;
 497
 498         drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
 499         api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
 500
 501         switch (api_ver) {
 502         default:
 503                 hdr_size = 28;
 504                 if (ucode_raw->size < hdr_size) {
 505                         IWL_ERR(drv, "File size too small!\n");
 506                         return -EINVAL;
 507                 }
 508                 build = le32_to_cpu(ucode->u.v2.build);
 509                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
 510                              le32_to_cpu(ucode->u.v2.inst_size));
 511                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
 512                              le32_to_cpu(ucode->u.v2.data_size));
 513                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
 514                              le32_to_cpu(ucode->u.v2.init_size));
 515                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
 516                              le32_to_cpu(ucode->u.v2.init_data_size));
 517                 src = ucode->u.v2.data;
 518                 break;
 519         case 0:
 520         case 1:
 521         case 2:
 522                 hdr_size = 24;
 523                 if (ucode_raw->size < hdr_size) {
 524                         IWL_ERR(drv, "File size too small!\n");
 525                         return -EINVAL;
 526                 }
 527                 build = 0;
 528                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
 529                              le32_to_cpu(ucode->u.v1.inst_size));
 530                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
 531                              le32_to_cpu(ucode->u.v1.data_size));
 532                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
 533                              le32_to_cpu(ucode->u.v1.init_size));
 534                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
 535                              le32_to_cpu(ucode->u.v1.init_data_size));
 536                 src = ucode->u.v1.data;
 537                 break;
 538         }
 539
 540         if (build)
 541                 sprintf(buildstr, " build %u%s", build,
 542                        (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
 543                                 ? " (EXP)" : "");
 544         else
 545                 buildstr[0] = '\0';
 546
 547         snprintf(drv->fw.fw_version,
 548                  sizeof(drv->fw.fw_version),
 549                  "%u.%u.%u.%u%s",
 550                  IWL_UCODE_MAJOR(drv->fw.ucode_ver),
 551                  IWL_UCODE_MINOR(drv->fw.ucode_ver),
 552                  IWL_UCODE_API(drv->fw.ucode_ver),
 553                  IWL_UCODE_SERIAL(drv->fw.ucode_ver),
 554                  buildstr);
 555
 556         /* Verify size of file vs. image size info in file's header */
 557
 558         if (ucode_raw->size != hdr_size +
 559             get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
 560             get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
 561             get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
 562             get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
 563
 564                 IWL_ERR(drv,
 565                         "uCode file size %d does not match expected size\n",
 566                         (int)ucode_raw->size);
 567                 return -EINVAL;
 568         }
 569
 570
 571         set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
 572         src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
 573         set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
 574                        IWLAGN_RTC_INST_LOWER_BOUND);
 575         set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
 576         src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
 577         set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
 578                        IWLAGN_RTC_DATA_LOWER_BOUND);
 579         set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
 580         src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
 581         set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
 582                        IWLAGN_RTC_INST_LOWER_BOUND);
 583         set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
 584         src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
 585         set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
 586                        IWLAGN_RTC_DATA_LOWER_BOUND);
 587         return 0;
 588 }
 589
 590 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 591                                 const struct firmware *ucode_raw,
 592                                 struct iwl_firmware_pieces *pieces,
 593                                 struct iwl_ucode_capabilities *capa)
 594 {
 595         struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
 596         struct iwl_ucode_tlv *tlv;
 597         size_t len = ucode_raw->size;
 598         const u8 *data;
 599         u32 tlv_len;
 600         u32 usniffer_img;
 601         enum iwl_ucode_tlv_type tlv_type;
 602         const u8 *tlv_data;
 603         char buildstr[25];
 604         u32 build, paging_mem_size;
 605         int num_of_cpus;
 606         bool usniffer_images = false;
 607         bool usniffer_req = false;
 608         bool gscan_capa = false;
 609
 610         if (len < sizeof(*ucode)) {
 611                 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
 612                 return -EINVAL;
 613         }
 614
 615         if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
 616                 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
 617                         le32_to_cpu(ucode->magic));
 618                 return -EINVAL;
 619         }
 620
 621         drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
 622         memcpy(drv->fw.human_readable, ucode->human_readable,
 623                sizeof(drv->fw.human_readable));
 624         build = le32_to_cpu(ucode->build);
 625
 626         if (build)
 627                 sprintf(buildstr, " build %u%s", build,
 628                        (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
 629                                 ? " (EXP)" : "");
 630         else
 631                 buildstr[0] = '\0';
 632
 633         snprintf(drv->fw.fw_version,
 634                  sizeof(drv->fw.fw_version),
 635                  "%u.%u.%u.%u%s",
 636                  IWL_UCODE_MAJOR(drv->fw.ucode_ver),
 637                  IWL_UCODE_MINOR(drv->fw.ucode_ver),
 638                  IWL_UCODE_API(drv->fw.ucode_ver),
 639                  IWL_UCODE_SERIAL(drv->fw.ucode_ver),
 640                  buildstr);
 641
 642         data = ucode->data;
 643
 644         len -= sizeof(*ucode);
 645
 646         while (len >= sizeof(*tlv)) {
 647                 len -= sizeof(*tlv);
 648                 tlv = (void *)data;
 649
 650                 tlv_len = le32_to_cpu(tlv->length);
 651                 tlv_type = le32_to_cpu(tlv->type);
 652                 tlv_data = tlv->data;
 653
 654                 if (len < tlv_len) {
 655                         IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
 656                                 len, tlv_len);
 657                         return -EINVAL;
 658                 }
 659                 len -= ALIGN(tlv_len, 4);
 660                 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
 661
 662                 switch (tlv_type) {
 663                 case IWL_UCODE_TLV_INST:
 664                         set_sec_data(pieces, IWL_UCODE_REGULAR,
 665                                      IWL_UCODE_SECTION_INST, tlv_data);
 666                         set_sec_size(pieces, IWL_UCODE_REGULAR,
 667                                      IWL_UCODE_SECTION_INST, tlv_len);
 668                         set_sec_offset(pieces, IWL_UCODE_REGULAR,
 669                                        IWL_UCODE_SECTION_INST,
 670                                        IWLAGN_RTC_INST_LOWER_BOUND);
 671                         break;
 672                 case IWL_UCODE_TLV_DATA:
 673                         set_sec_data(pieces, IWL_UCODE_REGULAR,
 674                                      IWL_UCODE_SECTION_DATA, tlv_data);
 675                         set_sec_size(pieces, IWL_UCODE_REGULAR,
 676                                      IWL_UCODE_SECTION_DATA, tlv_len);
 677                         set_sec_offset(pieces, IWL_UCODE_REGULAR,
 678                                        IWL_UCODE_SECTION_DATA,
 679                                        IWLAGN_RTC_DATA_LOWER_BOUND);
 680                         break;
 681                 case IWL_UCODE_TLV_INIT:
 682                         set_sec_data(pieces, IWL_UCODE_INIT,
 683                                      IWL_UCODE_SECTION_INST, tlv_data);
 684                         set_sec_size(pieces, IWL_UCODE_INIT,
 685                                      IWL_UCODE_SECTION_INST, tlv_len);
 686                         set_sec_offset(pieces, IWL_UCODE_INIT,
 687                                        IWL_UCODE_SECTION_INST,
 688                                        IWLAGN_RTC_INST_LOWER_BOUND);
 689                         break;
 690                 case IWL_UCODE_TLV_INIT_DATA:
 691                         set_sec_data(pieces, IWL_UCODE_INIT,
 692                                      IWL_UCODE_SECTION_DATA, tlv_data);
 693                         set_sec_size(pieces, IWL_UCODE_INIT,
 694                                      IWL_UCODE_SECTION_DATA, tlv_len);
 695                         set_sec_offset(pieces, IWL_UCODE_INIT,
 696                                        IWL_UCODE_SECTION_DATA,
 697                                        IWLAGN_RTC_DATA_LOWER_BOUND);
 698                         break;
 699                 case IWL_UCODE_TLV_BOOT:
 700                         IWL_ERR(drv, "Found unexpected BOOT ucode\n");
 701                         break;
 702                 case IWL_UCODE_TLV_PROBE_MAX_LEN:
 703                         if (tlv_len != sizeof(u32))
 704                                 goto invalid_tlv_len;
 705                         capa->max_probe_length =
 706                                         le32_to_cpup((__le32 *)tlv_data);
 707                         break;
 708                 case IWL_UCODE_TLV_PAN:
 709                         if (tlv_len)
 710                                 goto invalid_tlv_len;
 711                         capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
 712                         break;
 713                 case IWL_UCODE_TLV_FLAGS:
 714                         /* must be at least one u32 */
 715                         if (tlv_len < sizeof(u32))
 716                                 goto invalid_tlv_len;
 717                         /* and a proper number of u32s */
 718                         if (tlv_len % sizeof(u32))
 719                                 goto invalid_tlv_len;
 720                         /*
 721                          * This driver only reads the first u32 as
 722                          * right now no more features are defined,
 723                          * if that changes then either the driver
 724                          * will not work with the new firmware, or
 725                          * it'll not take advantage of new features.
 726                          */
 727                         capa->flags = le32_to_cpup((__le32 *)tlv_data);
 728                         break;
 729                 case IWL_UCODE_TLV_API_CHANGES_SET:
 730                         if (tlv_len != sizeof(struct iwl_ucode_api))
 731                                 goto invalid_tlv_len;
 732                         if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
 733                                 goto tlv_error;
 734                         break;
 735                 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
 736                         if (tlv_len != sizeof(struct iwl_ucode_capa))
 737                                 goto invalid_tlv_len;
 738                         if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
 739                                 goto tlv_error;
 740                         break;
 741                 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
 742                         if (tlv_len != sizeof(u32))
 743                                 goto invalid_tlv_len;
 744                         pieces->init_evtlog_ptr =
 745                                         le32_to_cpup((__le32 *)tlv_data);
 746                         break;
 747                 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
 748                         if (tlv_len != sizeof(u32))
 749                                 goto invalid_tlv_len;
 750                         pieces->init_evtlog_size =
 751                                         le32_to_cpup((__le32 *)tlv_data);
 752                         break;
 753                 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
 754                         if (tlv_len != sizeof(u32))
 755                                 goto invalid_tlv_len;
 756                         pieces->init_errlog_ptr =
 757                                         le32_to_cpup((__le32 *)tlv_data);
 758                         break;
 759                 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
 760                         if (tlv_len != sizeof(u32))
 761                                 goto invalid_tlv_len;
 762                         pieces->inst_evtlog_ptr =
 763                                         le32_to_cpup((__le32 *)tlv_data);
 764                         break;
 765                 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
 766                         if (tlv_len != sizeof(u32))
 767                                 goto invalid_tlv_len;
 768                         pieces->inst_evtlog_size =
 769                                         le32_to_cpup((__le32 *)tlv_data);
 770                         break;
 771                 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
 772                         if (tlv_len != sizeof(u32))
 773                                 goto invalid_tlv_len;
 774                         pieces->inst_errlog_ptr =
 775                                         le32_to_cpup((__le32 *)tlv_data);
 776                         break;
 777                 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
 778                         if (tlv_len)
 779                                 goto invalid_tlv_len;
 780                         drv->fw.enhance_sensitivity_table = true;
 781                         break;
 782                 case IWL_UCODE_TLV_WOWLAN_INST:
 783                         set_sec_data(pieces, IWL_UCODE_WOWLAN,
 784                                      IWL_UCODE_SECTION_INST, tlv_data);
 785                         set_sec_size(pieces, IWL_UCODE_WOWLAN,
 786                                      IWL_UCODE_SECTION_INST, tlv_len);
 787                         set_sec_offset(pieces, IWL_UCODE_WOWLAN,
 788                                        IWL_UCODE_SECTION_INST,
 789                                        IWLAGN_RTC_INST_LOWER_BOUND);
 790                         break;
 791                 case IWL_UCODE_TLV_WOWLAN_DATA:
 792                         set_sec_data(pieces, IWL_UCODE_WOWLAN,
 793                                      IWL_UCODE_SECTION_DATA, tlv_data);
 794                         set_sec_size(pieces, IWL_UCODE_WOWLAN,
 795                                      IWL_UCODE_SECTION_DATA, tlv_len);
 796                         set_sec_offset(pieces, IWL_UCODE_WOWLAN,
 797                                        IWL_UCODE_SECTION_DATA,
 798                                        IWLAGN_RTC_DATA_LOWER_BOUND);
 799                         break;
 800                 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
 801                         if (tlv_len != sizeof(u32))
 802                                 goto invalid_tlv_len;
 803                         capa->standard_phy_calibration_size =
 804                                         le32_to_cpup((__le32 *)tlv_data);
 805                         break;
 806                  case IWL_UCODE_TLV_SEC_RT:
 807                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
 808                                             tlv_len);
 809                         drv->fw.mvm_fw = true;
 810                         break;
 811                 case IWL_UCODE_TLV_SEC_INIT:
 812                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
 813                                             tlv_len);
 814                         drv->fw.mvm_fw = true;
 815                         break;
 816                 case IWL_UCODE_TLV_SEC_WOWLAN:
 817                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
 818                                             tlv_len);
 819                         drv->fw.mvm_fw = true;
 820                         break;
 821                 case IWL_UCODE_TLV_DEF_CALIB:
 822                         if (tlv_len != sizeof(struct iwl_tlv_calib_data))
 823                                 goto invalid_tlv_len;
 824                         if (iwl_set_default_calib(drv, tlv_data))
 825                                 goto tlv_error;
 826                         break;
 827                 case IWL_UCODE_TLV_PHY_SKU:
 828                         if (tlv_len != sizeof(u32))
 829                                 goto invalid_tlv_len;
 830                         drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
 831                         drv->fw.valid_tx_ant = (drv->fw.phy_config &
 832                                                 FW_PHY_CFG_TX_CHAIN) >>
 833                                                 FW_PHY_CFG_TX_CHAIN_POS;
 834                         drv->fw.valid_rx_ant = (drv->fw.phy_config &
 835                                                 FW_PHY_CFG_RX_CHAIN) >>
 836                                                 FW_PHY_CFG_RX_CHAIN_POS;
 837                         break;
 838                  case IWL_UCODE_TLV_SECURE_SEC_RT:
 839                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
 840                                             tlv_len);
 841                         drv->fw.mvm_fw = true;
 842                         break;
 843                 case IWL_UCODE_TLV_SECURE_SEC_INIT:
 844                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
 845                                             tlv_len);
 846                         drv->fw.mvm_fw = true;
 847                         break;
 848                 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
 849                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
 850                                             tlv_len);
 851                         drv->fw.mvm_fw = true;
 852                         break;
 853                 case IWL_UCODE_TLV_NUM_OF_CPU:
 854                         if (tlv_len != sizeof(u32))
 855                                 goto invalid_tlv_len;
 856                         num_of_cpus =
 857                                 le32_to_cpup((__le32 *)tlv_data);
 858
 859                         if (num_of_cpus == 2) {
 860                                 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
 861                                         true;
 862                                 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
 863                                         true;
 864                                 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
 865                                         true;
 866                         } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
 867                                 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
 868                                 return -EINVAL;
 869                         }
 870                         break;
 871                 case IWL_UCODE_TLV_CSCHEME:
 872                         if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
 873                                 goto invalid_tlv_len;
 874                         break;
 875                 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
 876                         if (tlv_len != sizeof(u32))
 877                                 goto invalid_tlv_len;
 878                         capa->n_scan_channels =
 879                                 le32_to_cpup((__le32 *)tlv_data);
 880                         break;
 881                 case IWL_UCODE_TLV_FW_VERSION: {
 882                         __le32 *ptr = (void *)tlv_data;
 883                         u32 major, minor;
 884                         u8 local_comp;
 885
 886                         if (tlv_len != sizeof(u32) * 3)
 887                                 goto invalid_tlv_len;
 888
 889                         major = le32_to_cpup(ptr++);
 890                         minor = le32_to_cpup(ptr++);
 891                         local_comp = le32_to_cpup(ptr);
 892
 893                         snprintf(drv->fw.fw_version,
 894                                  sizeof(drv->fw.fw_version), "%u.%u.%u",
 895                                  major, minor, local_comp);
 896                         break;
 897                         }
 898                 case IWL_UCODE_TLV_FW_DBG_DEST: {
 899                         struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
 900
 901                         if (pieces->dbg_dest_tlv) {
 902                                 IWL_ERR(drv,
 903                                         "dbg destination ignored, already exists\n");
 904                                 break;
 905                         }
 906
 907                         pieces->dbg_dest_tlv = dest;
 908                         IWL_INFO(drv, "Found debug destination: %s\n",
 909                                  get_fw_dbg_mode_string(dest->monitor_mode));
 910
 911                         drv->fw.dbg_dest_reg_num =
 912                                 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
 913                                                    reg_ops);
 914                         drv->fw.dbg_dest_reg_num /=
 915                                 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
 916
 917                         break;
 918                         }
 919                 case IWL_UCODE_TLV_FW_DBG_CONF: {
 920                         struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
 921
 922                         if (!pieces->dbg_dest_tlv) {
 923                                 IWL_ERR(drv,
 924                                         "Ignore dbg config %d - no destination configured\n",
 925                                         conf->id);
 926                                 break;
 927                         }
 928
 929                         if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
 930                                 IWL_ERR(drv,
 931                                         "Skip unknown configuration: %d\n",
 932                                         conf->id);
 933                                 break;
 934                         }
 935
 936                         if (pieces->dbg_conf_tlv[conf->id]) {
 937                                 IWL_ERR(drv,
 938                                         "Ignore duplicate dbg config %d\n",
 939                                         conf->id);
 940                                 break;
 941                         }
 942
 943                         if (conf->usniffer)
 944                                 usniffer_req = true;
 945
 946                         IWL_INFO(drv, "Found debug configuration: %d\n",
 947                                  conf->id);
 948
 949                         pieces->dbg_conf_tlv[conf->id] = conf;
 950                         pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
 951                         break;
 952                         }
 953                 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
 954                         struct iwl_fw_dbg_trigger_tlv *trigger =
 955                                 (void *)tlv_data;
 956                         u32 trigger_id = le32_to_cpu(trigger->id);
 957
 958                         if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
 959                                 IWL_ERR(drv,
 960                                         "Skip unknown trigger: %u\n",
 961                                         trigger->id);
 962                                 break;
 963                         }
 964
 965                         if (pieces->dbg_trigger_tlv[trigger_id]) {
 966                                 IWL_ERR(drv,
 967                                         "Ignore duplicate dbg trigger %u\n",
 968                                         trigger->id);
 969                                 break;
 970                         }
 971
 972                         IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
 973
 974                         pieces->dbg_trigger_tlv[trigger_id] = trigger;
 975                         pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
 976                         break;
 977                         }
 978                 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
 979                         usniffer_images = true;
 980                         iwl_store_ucode_sec(pieces, tlv_data,
 981                                             IWL_UCODE_REGULAR_USNIFFER,
 982                                             tlv_len);
 983                         break;
 984                 case IWL_UCODE_TLV_PAGING:
 985                         if (tlv_len != sizeof(u32))
 986                                 goto invalid_tlv_len;
 987                         paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
 988
 989                         IWL_DEBUG_FW(drv,
 990                                      "Paging: paging enabled (size = %u bytes)\n",
 991                                      paging_mem_size);
 992
 993                         if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
 994                                 IWL_ERR(drv,
 995                                         "Paging: driver supports up to %lu bytes for paging image\n",
 996                                         MAX_PAGING_IMAGE_SIZE);
 997                                 return -EINVAL;
 998                         }
 999
1000                         if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1001                                 IWL_ERR(drv,
1002                                         "Paging: image isn't multiple %lu\n",
1003                                         FW_PAGING_SIZE);
1004                                 return -EINVAL;
1005                         }
1006
1007                         drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1008                                 paging_mem_size;
1009                         usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1010                         drv->fw.img[usniffer_img].paging_mem_size =
1011                                 paging_mem_size;
1012                         break;
1013                 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
1014                         if (tlv_len != sizeof(u32))
1015                                 goto invalid_tlv_len;
1016                         drv->fw.sdio_adma_addr =
1017                                 le32_to_cpup((__le32 *)tlv_data);
1018                         break;
1019                 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1020                         if (iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len))
1021                                 goto invalid_tlv_len;
1022                         gscan_capa = true;
1023                         break;
1024                 default:
1025                         IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1026                         break;
1027                 }
1028         }
1029
1030         if (usniffer_req && !usniffer_images) {
1031                 IWL_ERR(drv,
1032                         "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1033                 return -EINVAL;
1034         }
1035
1036         if (len) {
1037                 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1038                 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1039                 return -EINVAL;
1040         }
1041
1042         /*
1043          * If ucode advertises that it supports GSCAN but GSCAN
1044          * capabilities TLV is not present, warn and continue without GSCAN.
1045          */
1046         if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1047             WARN(!gscan_capa,
1048                  "GSCAN is supported but capabilities TLV is unavailable\n"))
1049                 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1050                             capa->_capa);
1051
1052         return 0;
1053
1054  invalid_tlv_len:
1055         IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1056  tlv_error:
1057         iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1058
1059         return -EINVAL;
1060 }
1061
1062 static int iwl_alloc_ucode(struct iwl_drv *drv,
1063                            struct iwl_firmware_pieces *pieces,
1064                            enum iwl_ucode_type type)
1065 {
1066         int i;
1067         for (i = 0;
1068              i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
1069              i++)
1070                 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1071                                       get_sec(pieces, type, i)))
1072                         return -ENOMEM;
1073         return 0;
1074 }
1075
1076 static int validate_sec_sizes(struct iwl_drv *drv,
1077                               struct iwl_firmware_pieces *pieces,
1078                               const struct iwl_cfg *cfg)
1079 {
1080         IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1081                 get_sec_size(pieces, IWL_UCODE_REGULAR,
1082                              IWL_UCODE_SECTION_INST));
1083         IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1084                 get_sec_size(pieces, IWL_UCODE_REGULAR,
1085                              IWL_UCODE_SECTION_DATA));
1086         IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1087                 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1088         IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1089                 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1090
1091         /* Verify that uCode images will fit in card's SRAM. */
1092         if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1093             cfg->max_inst_size) {
1094                 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1095                         get_sec_size(pieces, IWL_UCODE_REGULAR,
1096                                      IWL_UCODE_SECTION_INST));
1097                 return -1;
1098         }
1099
1100         if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1101             cfg->max_data_size) {
1102                 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1103                         get_sec_size(pieces, IWL_UCODE_REGULAR,
1104                                      IWL_UCODE_SECTION_DATA));
1105                 return -1;
1106         }
1107
1108         if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1109              cfg->max_inst_size) {
1110                 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1111                         get_sec_size(pieces, IWL_UCODE_INIT,
1112                                      IWL_UCODE_SECTION_INST));
1113                 return -1;
1114         }
1115
1116         if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1117             cfg->max_data_size) {
1118                 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1119                         get_sec_size(pieces, IWL_UCODE_REGULAR,
1120                                      IWL_UCODE_SECTION_DATA));
1121                 return -1;
1122         }
1123         return 0;
1124 }
1125
1126 static struct iwl_op_mode *
1127 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1128 {
1129         const struct iwl_op_mode_ops *ops = op->ops;
1130         struct dentry *dbgfs_dir = NULL;
1131         struct iwl_op_mode *op_mode = NULL;
1132
1133 #ifdef CONFIG_IWLWIFI_DEBUGFS
1134         drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1135                                                 drv->dbgfs_drv);
1136         if (!drv->dbgfs_op_mode) {
1137                 IWL_ERR(drv,
1138                         "failed to create opmode debugfs directory\n");
1139                 return op_mode;
1140         }
1141         dbgfs_dir = drv->dbgfs_op_mode;
1142 #endif
1143
1144         op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1145
1146 #ifdef CONFIG_IWLWIFI_DEBUGFS
1147         if (!op_mode) {
1148                 debugfs_remove_recursive(drv->dbgfs_op_mode);
1149                 drv->dbgfs_op_mode = NULL;
1150         }
1151 #endif
1152
1153         return op_mode;
1154 }
1155
1156 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1157 {
1158         /* op_mode can be NULL if its start failed */
1159         if (drv->op_mode) {
1160                 iwl_op_mode_stop(drv->op_mode);
1161                 drv->op_mode = NULL;
1162
1163 #ifdef CONFIG_IWLWIFI_DEBUGFS
1164                 debugfs_remove_recursive(drv->dbgfs_op_mode);
1165                 drv->dbgfs_op_mode = NULL;
1166 #endif
1167         }
1168 }
1169
1170 /**
1171  * iwl_req_fw_callback - callback when firmware was loaded
1172  *
1173  * If loaded successfully, copies the firmware into buffers
1174  * for the card to fetch (via DMA).
1175  */
1176 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1177 {
1178         struct iwl_drv *drv = context;
1179         struct iwl_fw *fw = &drv->fw;
1180         struct iwl_ucode_header *ucode;
1181         struct iwlwifi_opmode_table *op;
1182         int err;
1183         struct iwl_firmware_pieces *pieces;
1184         const unsigned int api_max = drv->cfg->ucode_api_max;
1185         unsigned int api_ok = drv->cfg->ucode_api_ok;
1186         const unsigned int api_min = drv->cfg->ucode_api_min;
1187         size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1188         u32 api_ver;
1189         int i;
1190         bool load_module = false;
1191
1192         fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1193         fw->ucode_capa.standard_phy_calibration_size =
1194                         IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1195         fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1196
1197         if (!api_ok)
1198                 api_ok = api_max;
1199
1200         pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1201         if (!pieces)
1202                 return;
1203
1204         if (!ucode_raw) {
1205                 if (drv->fw_index <= api_ok)
1206                         IWL_ERR(drv,
1207                                 "request for firmware file '%s' failed.\n",
1208                                 drv->firmware_name);
1209                 goto try_again;
1210         }
1211
1212         IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1213                        drv->firmware_name, ucode_raw->size);
1214
1215         /* Make sure that we got at least the API version number */
1216         if (ucode_raw->size < 4) {
1217                 IWL_ERR(drv, "File size way too small!\n");
1218                 goto try_again;
1219         }
1220
1221         /* Data from ucode file:  header followed by uCode images */
1222         ucode = (struct iwl_ucode_header *)ucode_raw->data;
1223
1224         if (ucode->ver)
1225                 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1226         else
1227                 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1228                                              &fw->ucode_capa);
1229
1230         if (err)
1231                 goto try_again;
1232
1233         if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1234                 api_ver = drv->fw.ucode_ver;
1235         else
1236                 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1237
1238         /*
1239          * api_ver should match the api version forming part of the
1240          * firmware filename ... but we don't check for that and only rely
1241          * on the API version read from firmware header from here on forward
1242          */
1243         /* no api version check required for experimental uCode */
1244         if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1245                 if (api_ver < api_min || api_ver > api_max) {
1246                         IWL_ERR(drv,
1247                                 "Driver unable to support your firmware API. "
1248                                 "Driver supports v%u, firmware is v%u.\n",
1249                                 api_max, api_ver);
1250                         goto try_again;
1251                 }
1252
1253                 if (api_ver < api_ok) {
1254                         if (api_ok != api_max)
1255                                 IWL_ERR(drv, "Firmware has old API version, "
1256                                         "expected v%u through v%u, got v%u.\n",
1257                                         api_ok, api_max, api_ver);
1258                         else
1259                                 IWL_ERR(drv, "Firmware has old API version, "
1260                                         "expected v%u, got v%u.\n",
1261                                         api_max, api_ver);
1262                         IWL_ERR(drv, "New firmware can be obtained from "
1263                                       "http://www.intellinuxwireless.org/.\n");
1264                 }
1265         }
1266
1267         /*
1268          * In mvm uCode there is no difference between data and instructions
1269          * sections.
1270          */
1271         if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1272                 goto try_again;
1273
1274         /* Allocate ucode buffers for card's bus-master loading ... */
1275
1276         /* Runtime instructions and 2 copies of data:
1277          * 1) unmodified from disk
1278          * 2) backup cache for save/restore during power-downs */
1279         for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1280                 if (iwl_alloc_ucode(drv, pieces, i))
1281                         goto out_free_fw;
1282
1283         if (pieces->dbg_dest_tlv) {
1284                 drv->fw.dbg_dest_tlv =
1285                         kmemdup(pieces->dbg_dest_tlv,
1286                                 sizeof(*pieces->dbg_dest_tlv) +
1287                                 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1288                                 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1289
1290                 if (!drv->fw.dbg_dest_tlv)
1291                         goto out_free_fw;
1292         }
1293
1294         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1295                 if (pieces->dbg_conf_tlv[i]) {
1296                         drv->fw.dbg_conf_tlv_len[i] =
1297                                 pieces->dbg_conf_tlv_len[i];
1298                         drv->fw.dbg_conf_tlv[i] =
1299                                 kmemdup(pieces->dbg_conf_tlv[i],
1300                                         drv->fw.dbg_conf_tlv_len[i],
1301                                         GFP_KERNEL);
1302                         if (!drv->fw.dbg_conf_tlv[i])
1303                                 goto out_free_fw;
1304                 }
1305         }
1306
1307         memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1308
1309         trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1310                 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1311         trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1312         trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1313                 sizeof(struct iwl_fw_dbg_trigger_cmd);
1314         trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1315                 sizeof(struct iwl_fw_dbg_trigger_mlme);
1316         trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1317                 sizeof(struct iwl_fw_dbg_trigger_stats);
1318         trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1319                 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1320         trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1321                 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1322         trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1323                 sizeof(struct iwl_fw_dbg_trigger_time_event);
1324         trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1325                 sizeof(struct iwl_fw_dbg_trigger_ba);
1326
1327         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1328                 if (pieces->dbg_trigger_tlv[i]) {
1329                         /*
1330                          * If the trigger isn't long enough, WARN and exit.
1331                          * Someone is trying to debug something and he won't
1332                          * be able to catch the bug he is trying to chase.
1333                          * We'd better be noisy to be sure he knows what's
1334                          * going on.
1335                          */
1336                         if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1337                                     (trigger_tlv_sz[i] +
1338                                      sizeof(struct iwl_fw_dbg_trigger_tlv))))
1339                                 goto out_free_fw;
1340                         drv->fw.dbg_trigger_tlv_len[i] =
1341                                 pieces->dbg_trigger_tlv_len[i];
1342                         drv->fw.dbg_trigger_tlv[i] =
1343                                 kmemdup(pieces->dbg_trigger_tlv[i],
1344                                         drv->fw.dbg_trigger_tlv_len[i],
1345                                         GFP_KERNEL);
1346                         if (!drv->fw.dbg_trigger_tlv[i])
1347                                 goto out_free_fw;
1348                 }
1349         }
1350
1351         /* Now that we can no longer fail, copy information */
1352
1353         /*
1354          * The (size - 16) / 12 formula is based on the information recorded
1355          * for each event, which is of mode 1 (including timestamp) for all
1356          * new microcodes that include this information.
1357          */
1358         fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1359         if (pieces->init_evtlog_size)
1360                 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1361         else
1362                 fw->init_evtlog_size =
1363                         drv->cfg->base_params->max_event_log_size;
1364         fw->init_errlog_ptr = pieces->init_errlog_ptr;
1365         fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1366         if (pieces->inst_evtlog_size)
1367                 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1368         else
1369                 fw->inst_evtlog_size =
1370                         drv->cfg->base_params->max_event_log_size;
1371         fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1372
1373         /*
1374          * figure out the offset of chain noise reset and gain commands
1375          * base on the size of standard phy calibration commands table size
1376          */
1377         if (fw->ucode_capa.standard_phy_calibration_size >
1378             IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1379                 fw->ucode_capa.standard_phy_calibration_size =
1380                         IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1381
1382         /* We have our copies now, allow OS release its copies */
1383         release_firmware(ucode_raw);
1384
1385         mutex_lock(&iwlwifi_opmode_table_mtx);
1386         if (fw->mvm_fw)
1387                 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1388         else
1389                 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1390
1391         IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1392                  drv->fw.fw_version, op->name);
1393
1394         /* add this device to the list of devices using this op_mode */
1395         list_add_tail(&drv->list, &op->drv);
1396
1397         if (op->ops) {
1398                 drv->op_mode = _iwl_op_mode_start(drv, op);
1399
1400                 if (!drv->op_mode) {
1401                         mutex_unlock(&iwlwifi_opmode_table_mtx);
1402                         goto out_unbind;
1403                 }
1404         } else {
1405                 load_module = true;
1406         }
1407         mutex_unlock(&iwlwifi_opmode_table_mtx);
1408
1409         /*
1410          * Complete the firmware request last so that
1411          * a driver unbind (stop) doesn't run while we
1412          * are doing the start() above.
1413          */
1414         complete(&drv->request_firmware_complete);
1415
1416         /*
1417          * Load the module last so we don't block anything
1418          * else from proceeding if the module fails to load
1419          * or hangs loading.
1420          */
1421         if (load_module) {
1422                 err = request_module("%s", op->name);
1423 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1424                 if (err)
1425                         IWL_ERR(drv,
1426                                 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1427                                 op->name, err);
1428 #endif
1429         }
1430         kfree(pieces);
1431         return;
1432
1433  try_again:
1434         /* try next, if any */
1435         release_firmware(ucode_raw);
1436         if (iwl_request_firmware(drv, false))
1437                 goto out_unbind;
1438         kfree(pieces);
1439         return;
1440
1441  out_free_fw:
1442         IWL_ERR(drv, "failed to allocate pci memory\n");
1443         iwl_dealloc_ucode(drv);
1444         release_firmware(ucode_raw);
1445  out_unbind:
1446         kfree(pieces);
1447         complete(&drv->request_firmware_complete);
1448         device_release_driver(drv->trans->dev);
1449 }
1450
1451 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1452                               const struct iwl_cfg *cfg)
1453 {
1454         struct iwl_drv *drv;
1455         int ret;
1456
1457         drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1458         if (!drv) {
1459                 ret = -ENOMEM;
1460                 goto err;
1461         }
1462
1463         drv->trans = trans;
1464         drv->dev = trans->dev;
1465         drv->cfg = cfg;
1466
1467         init_completion(&drv->request_firmware_complete);
1468         INIT_LIST_HEAD(&drv->list);
1469
1470 #ifdef CONFIG_IWLWIFI_DEBUGFS
1471         /* Create the device debugfs entries. */
1472         drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1473                                             iwl_dbgfs_root);
1474
1475         if (!drv->dbgfs_drv) {
1476                 IWL_ERR(drv, "failed to create debugfs directory\n");
1477                 ret = -ENOMEM;
1478                 goto err_free_drv;
1479         }
1480
1481         /* Create transport layer debugfs dir */
1482         drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1483
1484         if (!drv->trans->dbgfs_dir) {
1485                 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1486                 ret = -ENOMEM;
1487                 goto err_free_dbgfs;
1488         }
1489 #endif
1490
1491         ret = iwl_request_firmware(drv, true);
1492         if (ret) {
1493                 IWL_ERR(trans, "Couldn't request the fw\n");
1494                 goto err_fw;
1495         }
1496
1497         return drv;
1498
1499 err_fw:
1500 #ifdef CONFIG_IWLWIFI_DEBUGFS
1501 err_free_dbgfs:
1502         debugfs_remove_recursive(drv->dbgfs_drv);
1503 err_free_drv:
1504 #endif
1505         kfree(drv);
1506 err:
1507         return ERR_PTR(ret);
1508 }
1509
1510 void iwl_drv_stop(struct iwl_drv *drv)
1511 {
1512         wait_for_completion(&drv->request_firmware_complete);
1513
1514         _iwl_op_mode_stop(drv);
1515
1516         iwl_dealloc_ucode(drv);
1517
1518         mutex_lock(&iwlwifi_opmode_table_mtx);
1519         /*
1520          * List is empty (this item wasn't added)
1521          * when firmware loading failed -- in that
1522          * case we can't remove it from any list.
1523          */
1524         if (!list_empty(&drv->list))
1525                 list_del(&drv->list);
1526         mutex_unlock(&iwlwifi_opmode_table_mtx);
1527
1528 #ifdef CONFIG_IWLWIFI_DEBUGFS
1529         debugfs_remove_recursive(drv->dbgfs_drv);
1530 #endif
1531
1532         kfree(drv);
1533 }
1534
1535
1536 /* shared module parameters */
1537 struct iwl_mod_params iwlwifi_mod_params = {
1538         .restart_fw = true,
1539         .bt_coex_active = true,
1540         .power_level = IWL_POWER_INDEX_1,
1541         .d0i3_disable = true,
1542 #ifndef CONFIG_IWLWIFI_UAPSD
1543         .uapsd_disable = true,
1544 #endif /* CONFIG_IWLWIFI_UAPSD */
1545         /* the rest are 0 by default */
1546 };
1547 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1548
1549 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1550 {
1551         int i;
1552         struct iwl_drv *drv;
1553         struct iwlwifi_opmode_table *op;
1554
1555         mutex_lock(&iwlwifi_opmode_table_mtx);
1556         for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1557                 op = &iwlwifi_opmode_table[i];
1558                 if (strcmp(op->name, name))
1559                         continue;
1560                 op->ops = ops;
1561                 /* TODO: need to handle exceptional case */
1562                 list_for_each_entry(drv, &op->drv, list)
1563                         drv->op_mode = _iwl_op_mode_start(drv, op);
1564
1565                 mutex_unlock(&iwlwifi_opmode_table_mtx);
1566                 return 0;
1567         }
1568         mutex_unlock(&iwlwifi_opmode_table_mtx);
1569         return -EIO;
1570 }
1571 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1572
1573 void iwl_opmode_deregister(const char *name)
1574 {
1575         int i;
1576         struct iwl_drv *drv;
1577
1578         mutex_lock(&iwlwifi_opmode_table_mtx);
1579         for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1580                 if (strcmp(iwlwifi_opmode_table[i].name, name))
1581                         continue;
1582                 iwlwifi_opmode_table[i].ops = NULL;
1583
1584                 /* call the stop routine for all devices */
1585                 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1586                         _iwl_op_mode_stop(drv);
1587
1588                 mutex_unlock(&iwlwifi_opmode_table_mtx);
1589                 return;
1590         }
1591         mutex_unlock(&iwlwifi_opmode_table_mtx);
1592 }
1593 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1594
1595 static int __init iwl_drv_init(void)
1596 {
1597         int i;
1598
1599         mutex_init(&iwlwifi_opmode_table_mtx);
1600
1601         for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1602                 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1603
1604         pr_info(DRV_DESCRIPTION "\n");
1605         pr_info(DRV_COPYRIGHT "\n");
1606
1607 #ifdef CONFIG_IWLWIFI_DEBUGFS
1608         /* Create the root of iwlwifi debugfs subsystem. */
1609         iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1610
1611         if (!iwl_dbgfs_root)
1612                 return -EFAULT;
1613 #endif
1614
1615         return iwl_pci_register_driver();
1616 }
1617 module_init(iwl_drv_init);
1618
1619 static void __exit iwl_drv_exit(void)
1620 {
1621         iwl_pci_unregister_driver();
1622
1623 #ifdef CONFIG_IWLWIFI_DEBUGFS
1624         debugfs_remove_recursive(iwl_dbgfs_root);
1625 #endif
1626 }
1627 module_exit(iwl_drv_exit);
1628
1629 #ifdef CONFIG_IWLWIFI_DEBUG
1630 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1631                    S_IRUGO | S_IWUSR);
1632 MODULE_PARM_DESC(debug, "debug output mask");
1633 #endif
1634
1635 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1636 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1637 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1638 MODULE_PARM_DESC(11n_disable,
1639         "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1640 module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
1641                    int, S_IRUGO);
1642 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
1643 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1644 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1645
1646 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1647                    int, S_IRUGO);
1648 MODULE_PARM_DESC(antenna_coupling,
1649                  "specify antenna coupling in dB (default: 0 dB)");
1650
1651 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1652 MODULE_PARM_DESC(nvm_file, "NVM file name");
1653
1654 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1655                    bool, S_IRUGO);
1656 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1657
1658 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1659                    bool, S_IRUGO);
1660 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1661
1662 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1663                    bool, S_IRUGO | S_IWUSR);
1664 #ifdef CONFIG_IWLWIFI_UAPSD
1665 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
1666 #else
1667 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
1668 #endif
1669
1670 /*
1671  * set bt_coex_active to true, uCode will do kill/defer
1672  * every time the priority line is asserted (BT is sending signals on the
1673  * priority line in the PCIx).
1674  * set bt_coex_active to false, uCode will ignore the BT activity and
1675  * perform the normal operation
1676  *
1677  * User might experience transmit issue on some platform due to WiFi/BT
1678  * co-exist problem. The possible behaviors are:
1679  *   Able to scan and finding all the available AP
1680  *   Not able to associate with any AP
1681  * On those platforms, WiFi communication can be restored by set
1682  * "bt_coex_active" module parameter to "false"
1683  *
1684  * default: bt_coex_active = true (BT_COEX_ENABLE)
1685  */
1686 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1687                 bool, S_IRUGO);
1688 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1689
1690 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1691 MODULE_PARM_DESC(led_mode, "0=system default, "
1692                 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1693
1694 module_param_named(power_save, iwlwifi_mod_params.power_save,
1695                 bool, S_IRUGO);
1696 MODULE_PARM_DESC(power_save,
1697                  "enable WiFi power management (default: disable)");
1698
1699 module_param_named(power_level, iwlwifi_mod_params.power_level,
1700                 int, S_IRUGO);
1701 MODULE_PARM_DESC(power_level,
1702                  "default power save level (range from 1 - 5, default: 1)");
1703
1704 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1705 MODULE_PARM_DESC(fw_monitor,
1706                  "firmware monitor - to debug FW (default: false - needs lots of memory)");