drivers/net/wireless/intel/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  * Copyright(c) 2016        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        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 "iwl-fw.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  * @cfg: configuration struct
 106  * @fw_index: firmware revision to try loading
 107  * @firmware_name: composite filename of ucode file to load
 108  * @request_firmware_complete: the firmware has been obtained from user space
 109  */
 110 struct iwl_drv {
 111         struct list_head list;
 112         struct iwl_fw fw;
 113
 114         struct iwl_op_mode *op_mode;
 115         struct iwl_trans *trans;
 116         struct device *dev;
 117         const struct iwl_cfg *cfg;
 118
 119         int fw_index;                   /* firmware we're trying to load */
 120         char firmware_name[64];         /* name of firmware file to load */
 121
 122         struct completion request_firmware_complete;
 123
 124 #ifdef CONFIG_IWLWIFI_DEBUGFS
 125         struct dentry *dbgfs_drv;
 126         struct dentry *dbgfs_trans;
 127         struct dentry *dbgfs_op_mode;
 128 #endif
 129 };
 130
 131 enum {
 132         DVM_OP_MODE =   0,
 133         MVM_OP_MODE =   1,
 134 };
 135
 136 /* Protects the table contents, i.e. the ops pointer & drv list */
 137 static struct mutex iwlwifi_opmode_table_mtx;
 138 static struct iwlwifi_opmode_table {
 139         const char *name;                       /* name: iwldvm, iwlmvm, etc */
 140         const struct iwl_op_mode_ops *ops;      /* pointer to op_mode ops */
 141         struct list_head drv;           /* list of devices using this op_mode */
 142 } iwlwifi_opmode_table[] = {            /* ops set when driver is initialized */
 143         [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
 144         [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
 145 };
 146
 147 #define IWL_DEFAULT_SCAN_CHANNELS 40
 148
 149 /*
 150  * struct fw_sec: Just for the image parsing process.
 151  * For the fw storage we are using struct fw_desc.
 152  */
 153 struct fw_sec {
 154         const void *data;               /* the sec data */
 155         size_t size;                    /* section size */
 156         u32 offset;                     /* offset of writing in the device */
 157 };
 158
 159 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
 160 {
 161         vfree(desc->data);
 162         desc->data = NULL;
 163         desc->len = 0;
 164 }
 165
 166 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
 167 {
 168         int i;
 169         for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
 170                 iwl_free_fw_desc(drv, &img->sec[i]);
 171 }
 172
 173 static void iwl_dealloc_ucode(struct iwl_drv *drv)
 174 {
 175         int i;
 176
 177         kfree(drv->fw.dbg_dest_tlv);
 178         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
 179                 kfree(drv->fw.dbg_conf_tlv[i]);
 180         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
 181                 kfree(drv->fw.dbg_trigger_tlv[i]);
 182         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_mem_tlv); i++)
 183                 kfree(drv->fw.dbg_mem_tlv[i]);
 184
 185         for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
 186                 iwl_free_fw_img(drv, drv->fw.img + i);
 187 }
 188
 189 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
 190                              struct fw_sec *sec)
 191 {
 192         void *data;
 193
 194         desc->data = NULL;
 195
 196         if (!sec || !sec->size)
 197                 return -EINVAL;
 198
 199         data = vmalloc(sec->size);
 200         if (!data)
 201                 return -ENOMEM;
 202
 203         desc->len = sec->size;
 204         desc->offset = sec->offset;
 205         memcpy(data, sec->data, desc->len);
 206         desc->data = data;
 207
 208         return 0;
 209 }
 210
 211 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
 212                                 void *context);
 213
 214 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
 215 {
 216         const char *name_pre = drv->cfg->fw_name_pre;
 217         char tag[8];
 218
 219         if (first) {
 220                 drv->fw_index = drv->cfg->ucode_api_max;
 221                 sprintf(tag, "%d", drv->fw_index);
 222         } else {
 223                 drv->fw_index--;
 224                 sprintf(tag, "%d", drv->fw_index);
 225         }
 226
 227         if (drv->fw_index < drv->cfg->ucode_api_min) {
 228                 IWL_ERR(drv, "no suitable firmware found!\n");
 229                 return -ENOENT;
 230         }
 231
 232         snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
 233                  name_pre, tag);
 234
 235         IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n",
 236                        drv->firmware_name);
 237
 238         return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
 239                                        drv->trans->dev,
 240                                        GFP_KERNEL, drv, iwl_req_fw_callback);
 241 }
 242
 243 struct fw_img_parsing {
 244         struct fw_sec sec[IWL_UCODE_SECTION_MAX];
 245         int sec_counter;
 246 };
 247
 248 /*
 249  * struct fw_sec_parsing: to extract fw section and it's offset from tlv
 250  */
 251 struct fw_sec_parsing {
 252         __le32 offset;
 253         const u8 data[];
 254 } __packed;
 255
 256 /**
 257  * struct iwl_tlv_calib_data - parse the default calib data from TLV
 258  *
 259  * @ucode_type: the uCode to which the following default calib relates.
 260  * @calib: default calibrations.
 261  */
 262 struct iwl_tlv_calib_data {
 263         __le32 ucode_type;
 264         struct iwl_tlv_calib_ctrl calib;
 265 } __packed;
 266
 267 struct iwl_firmware_pieces {
 268         struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
 269
 270         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 271         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 272
 273         /* FW debug data parsed for driver usage */
 274         struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
 275         struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
 276         size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
 277         struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
 278         size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
 279         struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv[FW_DBG_MEM_MAX];
 280 };
 281
 282 /*
 283  * These functions are just to extract uCode section data from the pieces
 284  * structure.
 285  */
 286 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
 287                               enum iwl_ucode_type type,
 288                               int  sec)
 289 {
 290         return &pieces->img[type].sec[sec];
 291 }
 292
 293 static void set_sec_data(struct iwl_firmware_pieces *pieces,
 294                          enum iwl_ucode_type type,
 295                          int sec,
 296                          const void *data)
 297 {
 298         pieces->img[type].sec[sec].data = data;
 299 }
 300
 301 static void set_sec_size(struct iwl_firmware_pieces *pieces,
 302                          enum iwl_ucode_type type,
 303                          int sec,
 304                          size_t size)
 305 {
 306         pieces->img[type].sec[sec].size = size;
 307 }
 308
 309 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
 310                            enum iwl_ucode_type type,
 311                            int sec)
 312 {
 313         return pieces->img[type].sec[sec].size;
 314 }
 315
 316 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
 317                            enum iwl_ucode_type type,
 318                            int sec,
 319                            u32 offset)
 320 {
 321         pieces->img[type].sec[sec].offset = offset;
 322 }
 323
 324 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
 325 {
 326         int i, j;
 327         struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
 328         struct iwl_fw_cipher_scheme *fwcs;
 329         struct ieee80211_cipher_scheme *cs;
 330         u32 cipher;
 331
 332         if (len < sizeof(*l) ||
 333             len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
 334                 return -EINVAL;
 335
 336         for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
 337                 fwcs = &l->cs[j];
 338                 cipher = le32_to_cpu(fwcs->cipher);
 339
 340                 /* we skip schemes with zero cipher suite selector */
 341                 if (!cipher)
 342                         continue;
 343
 344                 cs = &fw->cs[j++];
 345                 cs->cipher = cipher;
 346                 cs->iftype = BIT(NL80211_IFTYPE_STATION);
 347                 cs->hdr_len = fwcs->hdr_len;
 348                 cs->pn_len = fwcs->pn_len;
 349                 cs->pn_off = fwcs->pn_off;
 350                 cs->key_idx_off = fwcs->key_idx_off;
 351                 cs->key_idx_mask = fwcs->key_idx_mask;
 352                 cs->key_idx_shift = fwcs->key_idx_shift;
 353                 cs->mic_len = fwcs->mic_len;
 354         }
 355
 356         return 0;
 357 }
 358
 359 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
 360                                  const u32 len)
 361 {
 362         struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
 363         struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
 364
 365         capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
 366         capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
 367         capa->max_ap_cache_per_scan =
 368                 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
 369         capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
 370         capa->max_scan_reporting_threshold =
 371                 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
 372         capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
 373         capa->max_significant_change_aps =
 374                 le32_to_cpu(fw_capa->max_significant_change_aps);
 375         capa->max_bssid_history_entries =
 376                 le32_to_cpu(fw_capa->max_bssid_history_entries);
 377         capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
 378         capa->max_number_epno_networks =
 379                 le32_to_cpu(fw_capa->max_number_epno_networks);
 380         capa->max_number_epno_networks_by_ssid =
 381                 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
 382         capa->max_number_of_white_listed_ssid =
 383                 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
 384         capa->max_number_of_black_listed_ssid =
 385                 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
 386 }
 387
 388 /*
 389  * Gets uCode section from tlv.
 390  */
 391 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
 392                                const void *data, enum iwl_ucode_type type,
 393                                int size)
 394 {
 395         struct fw_img_parsing *img;
 396         struct fw_sec *sec;
 397         struct fw_sec_parsing *sec_parse;
 398
 399         if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
 400                 return -1;
 401
 402         sec_parse = (struct fw_sec_parsing *)data;
 403
 404         img = &pieces->img[type];
 405         sec = &img->sec[img->sec_counter];
 406
 407         sec->offset = le32_to_cpu(sec_parse->offset);
 408         sec->data = sec_parse->data;
 409         sec->size = size - sizeof(sec_parse->offset);
 410
 411         ++img->sec_counter;
 412
 413         return 0;
 414 }
 415
 416 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
 417 {
 418         struct iwl_tlv_calib_data *def_calib =
 419                                         (struct iwl_tlv_calib_data *)data;
 420         u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
 421         if (ucode_type >= IWL_UCODE_TYPE_MAX) {
 422                 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
 423                         ucode_type);
 424                 return -EINVAL;
 425         }
 426         drv->fw.default_calib[ucode_type].flow_trigger =
 427                 def_calib->calib.flow_trigger;
 428         drv->fw.default_calib[ucode_type].event_trigger =
 429                 def_calib->calib.event_trigger;
 430
 431         return 0;
 432 }
 433
 434 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
 435                                    struct iwl_ucode_capabilities *capa)
 436 {
 437         const struct iwl_ucode_api *ucode_api = (void *)data;
 438         u32 api_index = le32_to_cpu(ucode_api->api_index);
 439         u32 api_flags = le32_to_cpu(ucode_api->api_flags);
 440         int i;
 441
 442         if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
 443                 IWL_ERR(drv,
 444                         "api flags index %d larger than supported by driver\n",
 445                         api_index);
 446                 /* don't return an error so we can load FW that has more bits */
 447                 return 0;
 448         }
 449
 450         for (i = 0; i < 32; i++) {
 451                 if (api_flags & BIT(i))
 452                         __set_bit(i + 32 * api_index, capa->_api);
 453         }
 454
 455         return 0;
 456 }
 457
 458 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
 459                                       struct iwl_ucode_capabilities *capa)
 460 {
 461         const struct iwl_ucode_capa *ucode_capa = (void *)data;
 462         u32 api_index = le32_to_cpu(ucode_capa->api_index);
 463         u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
 464         int i;
 465
 466         if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
 467                 IWL_ERR(drv,
 468                         "capa flags index %d larger than supported by driver\n",
 469                         api_index);
 470                 /* don't return an error so we can load FW that has more bits */
 471                 return 0;
 472         }
 473
 474         for (i = 0; i < 32; i++) {
 475                 if (api_flags & BIT(i))
 476                         __set_bit(i + 32 * api_index, capa->_capa);
 477         }
 478
 479         return 0;
 480 }
 481
 482 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
 483                                     const struct firmware *ucode_raw,
 484                                     struct iwl_firmware_pieces *pieces)
 485 {
 486         struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
 487         u32 api_ver, hdr_size, build;
 488         char buildstr[25];
 489         const u8 *src;
 490
 491         drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
 492         api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
 493
 494         switch (api_ver) {
 495         default:
 496                 hdr_size = 28;
 497                 if (ucode_raw->size < hdr_size) {
 498                         IWL_ERR(drv, "File size too small!\n");
 499                         return -EINVAL;
 500                 }
 501                 build = le32_to_cpu(ucode->u.v2.build);
 502                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
 503                              le32_to_cpu(ucode->u.v2.inst_size));
 504                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
 505                              le32_to_cpu(ucode->u.v2.data_size));
 506                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
 507                              le32_to_cpu(ucode->u.v2.init_size));
 508                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
 509                              le32_to_cpu(ucode->u.v2.init_data_size));
 510                 src = ucode->u.v2.data;
 511                 break;
 512         case 0:
 513         case 1:
 514         case 2:
 515                 hdr_size = 24;
 516                 if (ucode_raw->size < hdr_size) {
 517                         IWL_ERR(drv, "File size too small!\n");
 518                         return -EINVAL;
 519                 }
 520                 build = 0;
 521                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
 522                              le32_to_cpu(ucode->u.v1.inst_size));
 523                 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
 524                              le32_to_cpu(ucode->u.v1.data_size));
 525                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
 526                              le32_to_cpu(ucode->u.v1.init_size));
 527                 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
 528                              le32_to_cpu(ucode->u.v1.init_data_size));
 529                 src = ucode->u.v1.data;
 530                 break;
 531         }
 532
 533         if (build)
 534                 sprintf(buildstr, " build %u", build);
 535         else
 536                 buildstr[0] = '\0';
 537
 538         snprintf(drv->fw.fw_version,
 539                  sizeof(drv->fw.fw_version),
 540                  "%u.%u.%u.%u%s",
 541                  IWL_UCODE_MAJOR(drv->fw.ucode_ver),
 542                  IWL_UCODE_MINOR(drv->fw.ucode_ver),
 543                  IWL_UCODE_API(drv->fw.ucode_ver),
 544                  IWL_UCODE_SERIAL(drv->fw.ucode_ver),
 545                  buildstr);
 546
 547         /* Verify size of file vs. image size info in file's header */
 548
 549         if (ucode_raw->size != hdr_size +
 550             get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
 551             get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
 552             get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
 553             get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
 554
 555                 IWL_ERR(drv,
 556                         "uCode file size %d does not match expected size\n",
 557                         (int)ucode_raw->size);
 558                 return -EINVAL;
 559         }
 560
 561
 562         set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
 563         src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
 564         set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
 565                        IWLAGN_RTC_INST_LOWER_BOUND);
 566         set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
 567         src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
 568         set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
 569                        IWLAGN_RTC_DATA_LOWER_BOUND);
 570         set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
 571         src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
 572         set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
 573                        IWLAGN_RTC_INST_LOWER_BOUND);
 574         set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
 575         src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
 576         set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
 577                        IWLAGN_RTC_DATA_LOWER_BOUND);
 578         return 0;
 579 }
 580
 581 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 582                                 const struct firmware *ucode_raw,
 583                                 struct iwl_firmware_pieces *pieces,
 584                                 struct iwl_ucode_capabilities *capa,
 585                                 bool *usniffer_images)
 586 {
 587         struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
 588         struct iwl_ucode_tlv *tlv;
 589         size_t len = ucode_raw->size;
 590         const u8 *data;
 591         u32 tlv_len;
 592         u32 usniffer_img;
 593         enum iwl_ucode_tlv_type tlv_type;
 594         const u8 *tlv_data;
 595         char buildstr[25];
 596         u32 build, paging_mem_size;
 597         int num_of_cpus;
 598         bool usniffer_req = false;
 599         bool gscan_capa = false;
 600
 601         if (len < sizeof(*ucode)) {
 602                 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
 603                 return -EINVAL;
 604         }
 605
 606         if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
 607                 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
 608                         le32_to_cpu(ucode->magic));
 609                 return -EINVAL;
 610         }
 611
 612         drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
 613         memcpy(drv->fw.human_readable, ucode->human_readable,
 614                sizeof(drv->fw.human_readable));
 615         build = le32_to_cpu(ucode->build);
 616
 617         if (build)
 618                 sprintf(buildstr, " build %u", build);
 619         else
 620                 buildstr[0] = '\0';
 621
 622         snprintf(drv->fw.fw_version,
 623                  sizeof(drv->fw.fw_version),
 624                  "%u.%u.%u.%u%s",
 625                  IWL_UCODE_MAJOR(drv->fw.ucode_ver),
 626                  IWL_UCODE_MINOR(drv->fw.ucode_ver),
 627                  IWL_UCODE_API(drv->fw.ucode_ver),
 628                  IWL_UCODE_SERIAL(drv->fw.ucode_ver),
 629                  buildstr);
 630
 631         data = ucode->data;
 632
 633         len -= sizeof(*ucode);
 634
 635         while (len >= sizeof(*tlv)) {
 636                 len -= sizeof(*tlv);
 637                 tlv = (void *)data;
 638
 639                 tlv_len = le32_to_cpu(tlv->length);
 640                 tlv_type = le32_to_cpu(tlv->type);
 641                 tlv_data = tlv->data;
 642
 643                 if (len < tlv_len) {
 644                         IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
 645                                 len, tlv_len);
 646                         return -EINVAL;
 647                 }
 648                 len -= ALIGN(tlv_len, 4);
 649                 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
 650
 651                 switch (tlv_type) {
 652                 case IWL_UCODE_TLV_INST:
 653                         set_sec_data(pieces, IWL_UCODE_REGULAR,
 654                                      IWL_UCODE_SECTION_INST, tlv_data);
 655                         set_sec_size(pieces, IWL_UCODE_REGULAR,
 656                                      IWL_UCODE_SECTION_INST, tlv_len);
 657                         set_sec_offset(pieces, IWL_UCODE_REGULAR,
 658                                        IWL_UCODE_SECTION_INST,
 659                                        IWLAGN_RTC_INST_LOWER_BOUND);
 660                         break;
 661                 case IWL_UCODE_TLV_DATA:
 662                         set_sec_data(pieces, IWL_UCODE_REGULAR,
 663                                      IWL_UCODE_SECTION_DATA, tlv_data);
 664                         set_sec_size(pieces, IWL_UCODE_REGULAR,
 665                                      IWL_UCODE_SECTION_DATA, tlv_len);
 666                         set_sec_offset(pieces, IWL_UCODE_REGULAR,
 667                                        IWL_UCODE_SECTION_DATA,
 668                                        IWLAGN_RTC_DATA_LOWER_BOUND);
 669                         break;
 670                 case IWL_UCODE_TLV_INIT:
 671                         set_sec_data(pieces, IWL_UCODE_INIT,
 672                                      IWL_UCODE_SECTION_INST, tlv_data);
 673                         set_sec_size(pieces, IWL_UCODE_INIT,
 674                                      IWL_UCODE_SECTION_INST, tlv_len);
 675                         set_sec_offset(pieces, IWL_UCODE_INIT,
 676                                        IWL_UCODE_SECTION_INST,
 677                                        IWLAGN_RTC_INST_LOWER_BOUND);
 678                         break;
 679                 case IWL_UCODE_TLV_INIT_DATA:
 680                         set_sec_data(pieces, IWL_UCODE_INIT,
 681                                      IWL_UCODE_SECTION_DATA, tlv_data);
 682                         set_sec_size(pieces, IWL_UCODE_INIT,
 683                                      IWL_UCODE_SECTION_DATA, tlv_len);
 684                         set_sec_offset(pieces, IWL_UCODE_INIT,
 685                                        IWL_UCODE_SECTION_DATA,
 686                                        IWLAGN_RTC_DATA_LOWER_BOUND);
 687                         break;
 688                 case IWL_UCODE_TLV_BOOT:
 689                         IWL_ERR(drv, "Found unexpected BOOT ucode\n");
 690                         break;
 691                 case IWL_UCODE_TLV_PROBE_MAX_LEN:
 692                         if (tlv_len != sizeof(u32))
 693                                 goto invalid_tlv_len;
 694                         capa->max_probe_length =
 695                                         le32_to_cpup((__le32 *)tlv_data);
 696                         break;
 697                 case IWL_UCODE_TLV_PAN:
 698                         if (tlv_len)
 699                                 goto invalid_tlv_len;
 700                         capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
 701                         break;
 702                 case IWL_UCODE_TLV_FLAGS:
 703                         /* must be at least one u32 */
 704                         if (tlv_len < sizeof(u32))
 705                                 goto invalid_tlv_len;
 706                         /* and a proper number of u32s */
 707                         if (tlv_len % sizeof(u32))
 708                                 goto invalid_tlv_len;
 709                         /*
 710                          * This driver only reads the first u32 as
 711                          * right now no more features are defined,
 712                          * if that changes then either the driver
 713                          * will not work with the new firmware, or
 714                          * it'll not take advantage of new features.
 715                          */
 716                         capa->flags = le32_to_cpup((__le32 *)tlv_data);
 717                         break;
 718                 case IWL_UCODE_TLV_API_CHANGES_SET:
 719                         if (tlv_len != sizeof(struct iwl_ucode_api))
 720                                 goto invalid_tlv_len;
 721                         if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
 722                                 goto tlv_error;
 723                         break;
 724                 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
 725                         if (tlv_len != sizeof(struct iwl_ucode_capa))
 726                                 goto invalid_tlv_len;
 727                         if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
 728                                 goto tlv_error;
 729                         break;
 730                 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
 731                         if (tlv_len != sizeof(u32))
 732                                 goto invalid_tlv_len;
 733                         pieces->init_evtlog_ptr =
 734                                         le32_to_cpup((__le32 *)tlv_data);
 735                         break;
 736                 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
 737                         if (tlv_len != sizeof(u32))
 738                                 goto invalid_tlv_len;
 739                         pieces->init_evtlog_size =
 740                                         le32_to_cpup((__le32 *)tlv_data);
 741                         break;
 742                 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
 743                         if (tlv_len != sizeof(u32))
 744                                 goto invalid_tlv_len;
 745                         pieces->init_errlog_ptr =
 746                                         le32_to_cpup((__le32 *)tlv_data);
 747                         break;
 748                 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
 749                         if (tlv_len != sizeof(u32))
 750                                 goto invalid_tlv_len;
 751                         pieces->inst_evtlog_ptr =
 752                                         le32_to_cpup((__le32 *)tlv_data);
 753                         break;
 754                 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
 755                         if (tlv_len != sizeof(u32))
 756                                 goto invalid_tlv_len;
 757                         pieces->inst_evtlog_size =
 758                                         le32_to_cpup((__le32 *)tlv_data);
 759                         break;
 760                 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
 761                         if (tlv_len != sizeof(u32))
 762                                 goto invalid_tlv_len;
 763                         pieces->inst_errlog_ptr =
 764                                         le32_to_cpup((__le32 *)tlv_data);
 765                         break;
 766                 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
 767                         if (tlv_len)
 768                                 goto invalid_tlv_len;
 769                         drv->fw.enhance_sensitivity_table = true;
 770                         break;
 771                 case IWL_UCODE_TLV_WOWLAN_INST:
 772                         set_sec_data(pieces, IWL_UCODE_WOWLAN,
 773                                      IWL_UCODE_SECTION_INST, tlv_data);
 774                         set_sec_size(pieces, IWL_UCODE_WOWLAN,
 775                                      IWL_UCODE_SECTION_INST, tlv_len);
 776                         set_sec_offset(pieces, IWL_UCODE_WOWLAN,
 777                                        IWL_UCODE_SECTION_INST,
 778                                        IWLAGN_RTC_INST_LOWER_BOUND);
 779                         break;
 780                 case IWL_UCODE_TLV_WOWLAN_DATA:
 781                         set_sec_data(pieces, IWL_UCODE_WOWLAN,
 782                                      IWL_UCODE_SECTION_DATA, tlv_data);
 783                         set_sec_size(pieces, IWL_UCODE_WOWLAN,
 784                                      IWL_UCODE_SECTION_DATA, tlv_len);
 785                         set_sec_offset(pieces, IWL_UCODE_WOWLAN,
 786                                        IWL_UCODE_SECTION_DATA,
 787                                        IWLAGN_RTC_DATA_LOWER_BOUND);
 788                         break;
 789                 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
 790                         if (tlv_len != sizeof(u32))
 791                                 goto invalid_tlv_len;
 792                         capa->standard_phy_calibration_size =
 793                                         le32_to_cpup((__le32 *)tlv_data);
 794                         break;
 795                  case IWL_UCODE_TLV_SEC_RT:
 796                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
 797                                             tlv_len);
 798                         drv->fw.mvm_fw = true;
 799                         break;
 800                 case IWL_UCODE_TLV_SEC_INIT:
 801                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
 802                                             tlv_len);
 803                         drv->fw.mvm_fw = true;
 804                         break;
 805                 case IWL_UCODE_TLV_SEC_WOWLAN:
 806                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
 807                                             tlv_len);
 808                         drv->fw.mvm_fw = true;
 809                         break;
 810                 case IWL_UCODE_TLV_DEF_CALIB:
 811                         if (tlv_len != sizeof(struct iwl_tlv_calib_data))
 812                                 goto invalid_tlv_len;
 813                         if (iwl_set_default_calib(drv, tlv_data))
 814                                 goto tlv_error;
 815                         break;
 816                 case IWL_UCODE_TLV_PHY_SKU:
 817                         if (tlv_len != sizeof(u32))
 818                                 goto invalid_tlv_len;
 819                         drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
 820                         drv->fw.valid_tx_ant = (drv->fw.phy_config &
 821                                                 FW_PHY_CFG_TX_CHAIN) >>
 822                                                 FW_PHY_CFG_TX_CHAIN_POS;
 823                         drv->fw.valid_rx_ant = (drv->fw.phy_config &
 824                                                 FW_PHY_CFG_RX_CHAIN) >>
 825                                                 FW_PHY_CFG_RX_CHAIN_POS;
 826                         break;
 827                  case IWL_UCODE_TLV_SECURE_SEC_RT:
 828                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
 829                                             tlv_len);
 830                         drv->fw.mvm_fw = true;
 831                         break;
 832                 case IWL_UCODE_TLV_SECURE_SEC_INIT:
 833                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
 834                                             tlv_len);
 835                         drv->fw.mvm_fw = true;
 836                         break;
 837                 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
 838                         iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
 839                                             tlv_len);
 840                         drv->fw.mvm_fw = true;
 841                         break;
 842                 case IWL_UCODE_TLV_NUM_OF_CPU:
 843                         if (tlv_len != sizeof(u32))
 844                                 goto invalid_tlv_len;
 845                         num_of_cpus =
 846                                 le32_to_cpup((__le32 *)tlv_data);
 847
 848                         if (num_of_cpus == 2) {
 849                                 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
 850                                         true;
 851                                 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
 852                                         true;
 853                                 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
 854                                         true;
 855                         } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
 856                                 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
 857                                 return -EINVAL;
 858                         }
 859                         break;
 860                 case IWL_UCODE_TLV_CSCHEME:
 861                         if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
 862                                 goto invalid_tlv_len;
 863                         break;
 864                 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
 865                         if (tlv_len != sizeof(u32))
 866                                 goto invalid_tlv_len;
 867                         capa->n_scan_channels =
 868                                 le32_to_cpup((__le32 *)tlv_data);
 869                         break;
 870                 case IWL_UCODE_TLV_FW_VERSION: {
 871                         __le32 *ptr = (void *)tlv_data;
 872                         u32 major, minor;
 873                         u8 local_comp;
 874
 875                         if (tlv_len != sizeof(u32) * 3)
 876                                 goto invalid_tlv_len;
 877
 878                         major = le32_to_cpup(ptr++);
 879                         minor = le32_to_cpup(ptr++);
 880                         local_comp = le32_to_cpup(ptr);
 881
 882                         snprintf(drv->fw.fw_version,
 883                                  sizeof(drv->fw.fw_version), "%u.%u.%u",
 884                                  major, minor, local_comp);
 885                         break;
 886                         }
 887                 case IWL_UCODE_TLV_FW_DBG_DEST: {
 888                         struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
 889
 890                         if (pieces->dbg_dest_tlv) {
 891                                 IWL_ERR(drv,
 892                                         "dbg destination ignored, already exists\n");
 893                                 break;
 894                         }
 895
 896                         pieces->dbg_dest_tlv = dest;
 897                         IWL_INFO(drv, "Found debug destination: %s\n",
 898                                  get_fw_dbg_mode_string(dest->monitor_mode));
 899
 900                         drv->fw.dbg_dest_reg_num =
 901                                 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
 902                                                    reg_ops);
 903                         drv->fw.dbg_dest_reg_num /=
 904                                 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
 905
 906                         break;
 907                         }
 908                 case IWL_UCODE_TLV_FW_DBG_CONF: {
 909                         struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
 910
 911                         if (!pieces->dbg_dest_tlv) {
 912                                 IWL_ERR(drv,
 913                                         "Ignore dbg config %d - no destination configured\n",
 914                                         conf->id);
 915                                 break;
 916                         }
 917
 918                         if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
 919                                 IWL_ERR(drv,
 920                                         "Skip unknown configuration: %d\n",
 921                                         conf->id);
 922                                 break;
 923                         }
 924
 925                         if (pieces->dbg_conf_tlv[conf->id]) {
 926                                 IWL_ERR(drv,
 927                                         "Ignore duplicate dbg config %d\n",
 928                                         conf->id);
 929                                 break;
 930                         }
 931
 932                         if (conf->usniffer)
 933                                 usniffer_req = true;
 934
 935                         IWL_INFO(drv, "Found debug configuration: %d\n",
 936                                  conf->id);
 937
 938                         pieces->dbg_conf_tlv[conf->id] = conf;
 939                         pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
 940                         break;
 941                         }
 942                 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
 943                         struct iwl_fw_dbg_trigger_tlv *trigger =
 944                                 (void *)tlv_data;
 945                         u32 trigger_id = le32_to_cpu(trigger->id);
 946
 947                         if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
 948                                 IWL_ERR(drv,
 949                                         "Skip unknown trigger: %u\n",
 950                                         trigger->id);
 951                                 break;
 952                         }
 953
 954                         if (pieces->dbg_trigger_tlv[trigger_id]) {
 955                                 IWL_ERR(drv,
 956                                         "Ignore duplicate dbg trigger %u\n",
 957                                         trigger->id);
 958                                 break;
 959                         }
 960
 961                         IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
 962
 963                         pieces->dbg_trigger_tlv[trigger_id] = trigger;
 964                         pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
 965                         break;
 966                         }
 967                 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
 968                         *usniffer_images = true;
 969                         iwl_store_ucode_sec(pieces, tlv_data,
 970                                             IWL_UCODE_REGULAR_USNIFFER,
 971                                             tlv_len);
 972                         break;
 973                 case IWL_UCODE_TLV_PAGING:
 974                         if (tlv_len != sizeof(u32))
 975                                 goto invalid_tlv_len;
 976                         paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
 977
 978                         IWL_DEBUG_FW(drv,
 979                                      "Paging: paging enabled (size = %u bytes)\n",
 980                                      paging_mem_size);
 981
 982                         if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
 983                                 IWL_ERR(drv,
 984                                         "Paging: driver supports up to %lu bytes for paging image\n",
 985                                         MAX_PAGING_IMAGE_SIZE);
 986                                 return -EINVAL;
 987                         }
 988
 989                         if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
 990                                 IWL_ERR(drv,
 991                                         "Paging: image isn't multiple %lu\n",
 992                                         FW_PAGING_SIZE);
 993                                 return -EINVAL;
 994                         }
 995
 996                         drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
 997                                 paging_mem_size;
 998                         usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
 999                         drv->fw.img[usniffer_img].paging_mem_size =
1000                                 paging_mem_size;
1001                         break;
1002                 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
1003                         if (tlv_len != sizeof(u32))
1004                                 goto invalid_tlv_len;
1005                         drv->fw.sdio_adma_addr =
1006                                 le32_to_cpup((__le32 *)tlv_data);
1007                         break;
1008                 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1009                         /*
1010                          * Don't return an error in case of a shorter tlv_len
1011                          * to enable loading of FW that has an old format
1012                          * of GSCAN capabilities TLV.
1013                          */
1014                         if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
1015                                 break;
1016
1017                         iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
1018                         gscan_capa = true;
1019                         break;
1020                 case IWL_UCODE_TLV_FW_MEM_SEG: {
1021                         struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1022                                 (void *)tlv_data;
1023                         u32 type;
1024
1025                         if (tlv_len != (sizeof(*dbg_mem)))
1026                                 goto invalid_tlv_len;
1027
1028                         type = le32_to_cpu(dbg_mem->data_type);
1029                         drv->fw.dbg_dynamic_mem = true;
1030
1031                         if (type >= ARRAY_SIZE(drv->fw.dbg_mem_tlv)) {
1032                                 IWL_ERR(drv,
1033                                         "Skip unknown dbg mem segment: %u\n",
1034                                         dbg_mem->data_type);
1035                                 break;
1036                         }
1037
1038                         if (pieces->dbg_mem_tlv[type]) {
1039                                 IWL_ERR(drv,
1040                                         "Ignore duplicate mem segment: %u\n",
1041                                         dbg_mem->data_type);
1042                                 break;
1043                         }
1044
1045                         IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1046                                        dbg_mem->data_type);
1047
1048                         pieces->dbg_mem_tlv[type] = dbg_mem;
1049                         break;
1050                         }
1051                 default:
1052                         IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1053                         break;
1054                 }
1055         }
1056
1057         if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1058             usniffer_req && !*usniffer_images) {
1059                 IWL_ERR(drv,
1060                         "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1061                 return -EINVAL;
1062         }
1063
1064         if (len) {
1065                 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1066                 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1067                 return -EINVAL;
1068         }
1069
1070         /*
1071          * If ucode advertises that it supports GSCAN but GSCAN
1072          * capabilities TLV is not present, or if it has an old format,
1073          * warn and continue without GSCAN.
1074          */
1075         if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1076             !gscan_capa) {
1077                 IWL_DEBUG_INFO(drv,
1078                                "GSCAN is supported but capabilities TLV is unavailable\n");
1079                 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1080                             capa->_capa);
1081         }
1082
1083         return 0;
1084
1085  invalid_tlv_len:
1086         IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1087  tlv_error:
1088         iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1089
1090         return -EINVAL;
1091 }
1092
1093 static int iwl_alloc_ucode(struct iwl_drv *drv,
1094                            struct iwl_firmware_pieces *pieces,
1095                            enum iwl_ucode_type type)
1096 {
1097         int i;
1098         for (i = 0;
1099              i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
1100              i++)
1101                 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1102                                       get_sec(pieces, type, i)))
1103                         return -ENOMEM;
1104         return 0;
1105 }
1106
1107 static int validate_sec_sizes(struct iwl_drv *drv,
1108                               struct iwl_firmware_pieces *pieces,
1109                               const struct iwl_cfg *cfg)
1110 {
1111         IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1112                 get_sec_size(pieces, IWL_UCODE_REGULAR,
1113                              IWL_UCODE_SECTION_INST));
1114         IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1115                 get_sec_size(pieces, IWL_UCODE_REGULAR,
1116                              IWL_UCODE_SECTION_DATA));
1117         IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1118                 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1119         IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1120                 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1121
1122         /* Verify that uCode images will fit in card's SRAM. */
1123         if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1124             cfg->max_inst_size) {
1125                 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1126                         get_sec_size(pieces, IWL_UCODE_REGULAR,
1127                                      IWL_UCODE_SECTION_INST));
1128                 return -1;
1129         }
1130
1131         if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1132             cfg->max_data_size) {
1133                 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1134                         get_sec_size(pieces, IWL_UCODE_REGULAR,
1135                                      IWL_UCODE_SECTION_DATA));
1136                 return -1;
1137         }
1138
1139         if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1140              cfg->max_inst_size) {
1141                 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1142                         get_sec_size(pieces, IWL_UCODE_INIT,
1143                                      IWL_UCODE_SECTION_INST));
1144                 return -1;
1145         }
1146
1147         if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1148             cfg->max_data_size) {
1149                 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1150                         get_sec_size(pieces, IWL_UCODE_REGULAR,
1151                                      IWL_UCODE_SECTION_DATA));
1152                 return -1;
1153         }
1154         return 0;
1155 }
1156
1157 static struct iwl_op_mode *
1158 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1159 {
1160         const struct iwl_op_mode_ops *ops = op->ops;
1161         struct dentry *dbgfs_dir = NULL;
1162         struct iwl_op_mode *op_mode = NULL;
1163
1164 #ifdef CONFIG_IWLWIFI_DEBUGFS
1165         drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1166                                                 drv->dbgfs_drv);
1167         if (!drv->dbgfs_op_mode) {
1168                 IWL_ERR(drv,
1169                         "failed to create opmode debugfs directory\n");
1170                 return op_mode;
1171         }
1172         dbgfs_dir = drv->dbgfs_op_mode;
1173 #endif
1174
1175         op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1176
1177 #ifdef CONFIG_IWLWIFI_DEBUGFS
1178         if (!op_mode) {
1179                 debugfs_remove_recursive(drv->dbgfs_op_mode);
1180                 drv->dbgfs_op_mode = NULL;
1181         }
1182 #endif
1183
1184         return op_mode;
1185 }
1186
1187 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1188 {
1189         /* op_mode can be NULL if its start failed */
1190         if (drv->op_mode) {
1191                 iwl_op_mode_stop(drv->op_mode);
1192                 drv->op_mode = NULL;
1193
1194 #ifdef CONFIG_IWLWIFI_DEBUGFS
1195                 debugfs_remove_recursive(drv->dbgfs_op_mode);
1196                 drv->dbgfs_op_mode = NULL;
1197 #endif
1198         }
1199 }
1200
1201 /**
1202  * iwl_req_fw_callback - callback when firmware was loaded
1203  *
1204  * If loaded successfully, copies the firmware into buffers
1205  * for the card to fetch (via DMA).
1206  */
1207 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1208 {
1209         struct iwl_drv *drv = context;
1210         struct iwl_fw *fw = &drv->fw;
1211         struct iwl_ucode_header *ucode;
1212         struct iwlwifi_opmode_table *op;
1213         int err;
1214         struct iwl_firmware_pieces *pieces;
1215         const unsigned int api_max = drv->cfg->ucode_api_max;
1216         const unsigned int api_min = drv->cfg->ucode_api_min;
1217         size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1218         u32 api_ver;
1219         int i;
1220         bool load_module = false;
1221         bool usniffer_images = false;
1222
1223         fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1224         fw->ucode_capa.standard_phy_calibration_size =
1225                         IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1226         fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1227
1228         pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1229         if (!pieces)
1230                 return;
1231
1232         if (!ucode_raw)
1233                 goto try_again;
1234
1235         IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1236                        drv->firmware_name, ucode_raw->size);
1237
1238         /* Make sure that we got at least the API version number */
1239         if (ucode_raw->size < 4) {
1240                 IWL_ERR(drv, "File size way too small!\n");
1241                 goto try_again;
1242         }
1243
1244         /* Data from ucode file:  header followed by uCode images */
1245         ucode = (struct iwl_ucode_header *)ucode_raw->data;
1246
1247         if (ucode->ver)
1248                 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1249         else
1250                 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1251                                              &fw->ucode_capa, &usniffer_images);
1252
1253         if (err)
1254                 goto try_again;
1255
1256         if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1257                 api_ver = drv->fw.ucode_ver;
1258         else
1259                 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1260
1261         /*
1262          * api_ver should match the api version forming part of the
1263          * firmware filename ... but we don't check for that and only rely
1264          * on the API version read from firmware header from here on forward
1265          */
1266         if (api_ver < api_min || api_ver > api_max) {
1267                 IWL_ERR(drv,
1268                         "Driver unable to support your firmware API. "
1269                         "Driver supports v%u, firmware is v%u.\n",
1270                         api_max, api_ver);
1271                 goto try_again;
1272         }
1273
1274         /*
1275          * In mvm uCode there is no difference between data and instructions
1276          * sections.
1277          */
1278         if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1279                 goto try_again;
1280
1281         /* Allocate ucode buffers for card's bus-master loading ... */
1282
1283         /* Runtime instructions and 2 copies of data:
1284          * 1) unmodified from disk
1285          * 2) backup cache for save/restore during power-downs */
1286         for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1287                 if (iwl_alloc_ucode(drv, pieces, i))
1288                         goto out_free_fw;
1289
1290         if (pieces->dbg_dest_tlv) {
1291                 drv->fw.dbg_dest_tlv =
1292                         kmemdup(pieces->dbg_dest_tlv,
1293                                 sizeof(*pieces->dbg_dest_tlv) +
1294                                 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1295                                 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1296
1297                 if (!drv->fw.dbg_dest_tlv)
1298                         goto out_free_fw;
1299         }
1300
1301         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1302                 if (pieces->dbg_conf_tlv[i]) {
1303                         drv->fw.dbg_conf_tlv_len[i] =
1304                                 pieces->dbg_conf_tlv_len[i];
1305                         drv->fw.dbg_conf_tlv[i] =
1306                                 kmemdup(pieces->dbg_conf_tlv[i],
1307                                         drv->fw.dbg_conf_tlv_len[i],
1308                                         GFP_KERNEL);
1309                         if (!drv->fw.dbg_conf_tlv[i])
1310                                 goto out_free_fw;
1311                 }
1312         }
1313
1314         memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1315
1316         trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1317                 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1318         trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1319         trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1320                 sizeof(struct iwl_fw_dbg_trigger_cmd);
1321         trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1322                 sizeof(struct iwl_fw_dbg_trigger_mlme);
1323         trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1324                 sizeof(struct iwl_fw_dbg_trigger_stats);
1325         trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1326                 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1327         trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1328                 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1329         trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1330                 sizeof(struct iwl_fw_dbg_trigger_time_event);
1331         trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1332                 sizeof(struct iwl_fw_dbg_trigger_ba);
1333         trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1334                 sizeof(struct iwl_fw_dbg_trigger_tdls);
1335
1336         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1337                 if (pieces->dbg_trigger_tlv[i]) {
1338                         /*
1339                          * If the trigger isn't long enough, WARN and exit.
1340                          * Someone is trying to debug something and he won't
1341                          * be able to catch the bug he is trying to chase.
1342                          * We'd better be noisy to be sure he knows what's
1343                          * going on.
1344                          */
1345                         if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1346                                     (trigger_tlv_sz[i] +
1347                                      sizeof(struct iwl_fw_dbg_trigger_tlv))))
1348                                 goto out_free_fw;
1349                         drv->fw.dbg_trigger_tlv_len[i] =
1350                                 pieces->dbg_trigger_tlv_len[i];
1351                         drv->fw.dbg_trigger_tlv[i] =
1352                                 kmemdup(pieces->dbg_trigger_tlv[i],
1353                                         drv->fw.dbg_trigger_tlv_len[i],
1354                                         GFP_KERNEL);
1355                         if (!drv->fw.dbg_trigger_tlv[i])
1356                                 goto out_free_fw;
1357                 }
1358         }
1359
1360         for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_mem_tlv); i++) {
1361                 if (pieces->dbg_mem_tlv[i]) {
1362                         drv->fw.dbg_mem_tlv[i] =
1363                                 kmemdup(pieces->dbg_mem_tlv[i],
1364                                         sizeof(*drv->fw.dbg_mem_tlv[i]),
1365                                         GFP_KERNEL);
1366                         if (!drv->fw.dbg_mem_tlv[i])
1367                                 goto out_free_fw;
1368                 }
1369         }
1370
1371         /* Now that we can no longer fail, copy information */
1372
1373         /*
1374          * The (size - 16) / 12 formula is based on the information recorded
1375          * for each event, which is of mode 1 (including timestamp) for all
1376          * new microcodes that include this information.
1377          */
1378         fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1379         if (pieces->init_evtlog_size)
1380                 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1381         else
1382                 fw->init_evtlog_size =
1383                         drv->cfg->base_params->max_event_log_size;
1384         fw->init_errlog_ptr = pieces->init_errlog_ptr;
1385         fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1386         if (pieces->inst_evtlog_size)
1387                 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1388         else
1389                 fw->inst_evtlog_size =
1390                         drv->cfg->base_params->max_event_log_size;
1391         fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1392
1393         /*
1394          * figure out the offset of chain noise reset and gain commands
1395          * base on the size of standard phy calibration commands table size
1396          */
1397         if (fw->ucode_capa.standard_phy_calibration_size >
1398             IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1399                 fw->ucode_capa.standard_phy_calibration_size =
1400                         IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1401
1402         /* We have our copies now, allow OS release its copies */
1403         release_firmware(ucode_raw);
1404
1405         mutex_lock(&iwlwifi_opmode_table_mtx);
1406         if (fw->mvm_fw)
1407                 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1408         else
1409                 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1410
1411         IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1412                  drv->fw.fw_version, op->name);
1413
1414         /* add this device to the list of devices using this op_mode */
1415         list_add_tail(&drv->list, &op->drv);
1416
1417         if (op->ops) {
1418                 drv->op_mode = _iwl_op_mode_start(drv, op);
1419
1420                 if (!drv->op_mode) {
1421                         mutex_unlock(&iwlwifi_opmode_table_mtx);
1422                         goto out_unbind;
1423                 }
1424         } else {
1425                 load_module = true;
1426         }
1427         mutex_unlock(&iwlwifi_opmode_table_mtx);
1428
1429         /*
1430          * Complete the firmware request last so that
1431          * a driver unbind (stop) doesn't run while we
1432          * are doing the start() above.
1433          */
1434         complete(&drv->request_firmware_complete);
1435
1436         /*
1437          * Load the module last so we don't block anything
1438          * else from proceeding if the module fails to load
1439          * or hangs loading.
1440          */
1441         if (load_module) {
1442                 err = request_module("%s", op->name);
1443 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1444                 if (err)
1445                         IWL_ERR(drv,
1446                                 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1447                                 op->name, err);
1448 #endif
1449         }
1450         kfree(pieces);
1451         return;
1452
1453  try_again:
1454         /* try next, if any */
1455         release_firmware(ucode_raw);
1456         if (iwl_request_firmware(drv, false))
1457                 goto out_unbind;
1458         kfree(pieces);
1459         return;
1460
1461  out_free_fw:
1462         IWL_ERR(drv, "failed to allocate pci memory\n");
1463         iwl_dealloc_ucode(drv);
1464         release_firmware(ucode_raw);
1465  out_unbind:
1466         kfree(pieces);
1467         complete(&drv->request_firmware_complete);
1468         device_release_driver(drv->trans->dev);
1469 }
1470
1471 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1472                               const struct iwl_cfg *cfg)
1473 {
1474         struct iwl_drv *drv;
1475         int ret;
1476
1477         drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1478         if (!drv) {
1479                 ret = -ENOMEM;
1480                 goto err;
1481         }
1482
1483         drv->trans = trans;
1484         drv->dev = trans->dev;
1485         drv->cfg = cfg;
1486
1487         init_completion(&drv->request_firmware_complete);
1488         INIT_LIST_HEAD(&drv->list);
1489
1490 #ifdef CONFIG_IWLWIFI_DEBUGFS
1491         /* Create the device debugfs entries. */
1492         drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1493                                             iwl_dbgfs_root);
1494
1495         if (!drv->dbgfs_drv) {
1496                 IWL_ERR(drv, "failed to create debugfs directory\n");
1497                 ret = -ENOMEM;
1498                 goto err_free_drv;
1499         }
1500
1501         /* Create transport layer debugfs dir */
1502         drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1503
1504         if (!drv->trans->dbgfs_dir) {
1505                 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1506                 ret = -ENOMEM;
1507                 goto err_free_dbgfs;
1508         }
1509 #endif
1510
1511         ret = iwl_request_firmware(drv, true);
1512         if (ret) {
1513                 IWL_ERR(trans, "Couldn't request the fw\n");
1514                 goto err_fw;
1515         }
1516
1517         return drv;
1518
1519 err_fw:
1520 #ifdef CONFIG_IWLWIFI_DEBUGFS
1521 err_free_dbgfs:
1522         debugfs_remove_recursive(drv->dbgfs_drv);
1523 err_free_drv:
1524 #endif
1525         kfree(drv);
1526 err:
1527         return ERR_PTR(ret);
1528 }
1529
1530 void iwl_drv_stop(struct iwl_drv *drv)
1531 {
1532         wait_for_completion(&drv->request_firmware_complete);
1533
1534         _iwl_op_mode_stop(drv);
1535
1536         iwl_dealloc_ucode(drv);
1537
1538         mutex_lock(&iwlwifi_opmode_table_mtx);
1539         /*
1540          * List is empty (this item wasn't added)
1541          * when firmware loading failed -- in that
1542          * case we can't remove it from any list.
1543          */
1544         if (!list_empty(&drv->list))
1545                 list_del(&drv->list);
1546         mutex_unlock(&iwlwifi_opmode_table_mtx);
1547
1548 #ifdef CONFIG_IWLWIFI_DEBUGFS
1549         debugfs_remove_recursive(drv->dbgfs_drv);
1550 #endif
1551
1552         kfree(drv);
1553 }
1554
1555
1556 /* shared module parameters */
1557 struct iwl_mod_params iwlwifi_mod_params = {
1558         .restart_fw = true,
1559         .bt_coex_active = true,
1560         .power_level = IWL_POWER_INDEX_1,
1561         .d0i3_disable = true,
1562         .d0i3_entry_delay = 1000,
1563         .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1564         /* the rest are 0 by default */
1565 };
1566 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1567
1568 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1569 {
1570         int i;
1571         struct iwl_drv *drv;
1572         struct iwlwifi_opmode_table *op;
1573
1574         mutex_lock(&iwlwifi_opmode_table_mtx);
1575         for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1576                 op = &iwlwifi_opmode_table[i];
1577                 if (strcmp(op->name, name))
1578                         continue;
1579                 op->ops = ops;
1580                 /* TODO: need to handle exceptional case */
1581                 list_for_each_entry(drv, &op->drv, list)
1582                         drv->op_mode = _iwl_op_mode_start(drv, op);
1583
1584                 mutex_unlock(&iwlwifi_opmode_table_mtx);
1585                 return 0;
1586         }
1587         mutex_unlock(&iwlwifi_opmode_table_mtx);
1588         return -EIO;
1589 }
1590 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1591
1592 void iwl_opmode_deregister(const char *name)
1593 {
1594         int i;
1595         struct iwl_drv *drv;
1596
1597         mutex_lock(&iwlwifi_opmode_table_mtx);
1598         for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1599                 if (strcmp(iwlwifi_opmode_table[i].name, name))
1600                         continue;
1601                 iwlwifi_opmode_table[i].ops = NULL;
1602
1603                 /* call the stop routine for all devices */
1604                 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1605                         _iwl_op_mode_stop(drv);
1606
1607                 mutex_unlock(&iwlwifi_opmode_table_mtx);
1608                 return;
1609         }
1610         mutex_unlock(&iwlwifi_opmode_table_mtx);
1611 }
1612 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1613
1614 static int __init iwl_drv_init(void)
1615 {
1616         int i;
1617
1618         mutex_init(&iwlwifi_opmode_table_mtx);
1619
1620         for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1621                 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1622
1623         pr_info(DRV_DESCRIPTION "\n");
1624         pr_info(DRV_COPYRIGHT "\n");
1625
1626 #ifdef CONFIG_IWLWIFI_DEBUGFS
1627         /* Create the root of iwlwifi debugfs subsystem. */
1628         iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1629
1630         if (!iwl_dbgfs_root)
1631                 return -EFAULT;
1632 #endif
1633
1634         return iwl_pci_register_driver();
1635 }
1636 module_init(iwl_drv_init);
1637
1638 static void __exit iwl_drv_exit(void)
1639 {
1640         iwl_pci_unregister_driver();
1641
1642 #ifdef CONFIG_IWLWIFI_DEBUGFS
1643         debugfs_remove_recursive(iwl_dbgfs_root);
1644 #endif
1645 }
1646 module_exit(iwl_drv_exit);
1647
1648 #ifdef CONFIG_IWLWIFI_DEBUG
1649 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1650                    S_IRUGO | S_IWUSR);
1651 MODULE_PARM_DESC(debug, "debug output mask");
1652 #endif
1653
1654 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1655 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1656 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1657 MODULE_PARM_DESC(11n_disable,
1658         "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1659 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1660                    int, S_IRUGO);
1661 MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)");
1662 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1663 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1664
1665 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1666                    int, S_IRUGO);
1667 MODULE_PARM_DESC(antenna_coupling,
1668                  "specify antenna coupling in dB (default: 0 dB)");
1669
1670 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1671 MODULE_PARM_DESC(nvm_file, "NVM file name");
1672
1673 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1674                    bool, S_IRUGO);
1675 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1676
1677 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1678                    bool, S_IRUGO);
1679 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1680
1681 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1682                    uint, S_IRUGO | S_IWUSR);
1683 MODULE_PARM_DESC(uapsd_disable,
1684                  "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1685
1686 /*
1687  * set bt_coex_active to true, uCode will do kill/defer
1688  * every time the priority line is asserted (BT is sending signals on the
1689  * priority line in the PCIx).
1690  * set bt_coex_active to false, uCode will ignore the BT activity and
1691  * perform the normal operation
1692  *
1693  * User might experience transmit issue on some platform due to WiFi/BT
1694  * co-exist problem. The possible behaviors are:
1695  *   Able to scan and finding all the available AP
1696  *   Not able to associate with any AP
1697  * On those platforms, WiFi communication can be restored by set
1698  * "bt_coex_active" module parameter to "false"
1699  *
1700  * default: bt_coex_active = true (BT_COEX_ENABLE)
1701  */
1702 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1703                 bool, S_IRUGO);
1704 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1705
1706 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1707 MODULE_PARM_DESC(led_mode, "0=system default, "
1708                 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1709
1710 module_param_named(power_save, iwlwifi_mod_params.power_save,
1711                 bool, S_IRUGO);
1712 MODULE_PARM_DESC(power_save,
1713                  "enable WiFi power management (default: disable)");
1714
1715 module_param_named(power_level, iwlwifi_mod_params.power_level,
1716                 int, S_IRUGO);
1717 MODULE_PARM_DESC(power_level,
1718                  "default power save level (range from 1 - 5, default: 1)");
1719
1720 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1721 MODULE_PARM_DESC(fw_monitor,
1722                  "firmware monitor - to debug FW (default: false - needs lots of memory)");
1723
1724 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay,
1725                    uint, S_IRUGO);
1726 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1727
1728 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
1729                    S_IRUGO);
1730 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");