1 /******************************************************************************
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.
8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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.
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.
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,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
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
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.
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.
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>
73 #include "iwl-debug.h"
74 #include "iwl-trans.h"
75 #include "iwl-op-mode.h"
76 #include "iwl-agn-hw.h"
78 #include "iwl-config.h"
79 #include "iwl-modparams.h"
81 /* private includes */
82 #include "iwl-fw-file.h"
84 /******************************************************************************
88 ******************************************************************************/
91 * module name, copyright, version, etc.
93 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
95 #ifdef CONFIG_IWLWIFI_DEBUG
101 #define DRV_VERSION IWLWIFI_VERSION VD
103 MODULE_DESCRIPTION(DRV_DESCRIPTION);
104 MODULE_VERSION(DRV_VERSION);
105 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
106 MODULE_LICENSE("GPL");
108 #ifdef CONFIG_IWLWIFI_DEBUGFS
109 static struct dentry *iwl_dbgfs_root;
113 * struct iwl_drv - drv common data
114 * @list: list of drv structures using this opmode
115 * @fw: the iwl_fw structure
116 * @op_mode: the running op_mode
117 * @trans: transport layer
118 * @dev: for debug prints only
119 * @cfg: configuration struct
120 * @fw_index: firmware revision to try loading
121 * @firmware_name: composite filename of ucode file to load
122 * @request_firmware_complete: the firmware has been obtained from user space
125 struct list_head list;
128 struct iwl_op_mode *op_mode;
129 struct iwl_trans *trans;
131 const struct iwl_cfg *cfg;
133 int fw_index; /* firmware we're trying to load */
134 char firmware_name[32]; /* name of firmware file to load */
136 struct completion request_firmware_complete;
138 #ifdef CONFIG_IWLWIFI_DEBUGFS
139 struct dentry *dbgfs_drv;
140 struct dentry *dbgfs_trans;
141 struct dentry *dbgfs_op_mode;
150 /* Protects the table contents, i.e. the ops pointer & drv list */
151 static struct mutex iwlwifi_opmode_table_mtx;
152 static struct iwlwifi_opmode_table {
153 const char *name; /* name: iwldvm, iwlmvm, etc */
154 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
155 struct list_head drv; /* list of devices using this op_mode */
156 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
157 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
158 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
161 #define IWL_DEFAULT_SCAN_CHANNELS 40
164 * struct fw_sec: Just for the image parsing proccess.
165 * For the fw storage we are using struct fw_desc.
168 const void *data; /* the sec data */
169 size_t size; /* section size */
170 u32 offset; /* offset of writing in the device */
173 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
180 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
183 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
184 iwl_free_fw_desc(drv, &img->sec[i]);
187 static void iwl_dealloc_ucode(struct iwl_drv *drv)
190 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
191 iwl_free_fw_img(drv, drv->fw.img + i);
194 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
201 if (!sec || !sec->size)
204 data = vmalloc(sec->size);
208 desc->len = sec->size;
209 desc->offset = sec->offset;
210 memcpy(data, sec->data, desc->len);
216 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
219 #define UCODE_EXPERIMENTAL_INDEX 100
220 #define UCODE_EXPERIMENTAL_TAG "exp"
222 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
224 const char *name_pre = drv->cfg->fw_name_pre;
228 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
229 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
230 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
231 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
233 drv->fw_index = drv->cfg->ucode_api_max;
234 sprintf(tag, "%d", drv->fw_index);
237 sprintf(tag, "%d", drv->fw_index);
240 if (drv->fw_index < drv->cfg->ucode_api_min) {
241 IWL_ERR(drv, "no suitable firmware found!\n");
245 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
249 * Starting 8000B - FW name format has changed. This overwrites the
250 * previous name and uses the new format.
252 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
254 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev), 0
257 /* A-step doesn't have an indication */
258 if (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP)
261 snprintf(drv->firmware_name, sizeof(drv->firmware_name),
262 "%s%s-%s.ucode", name_pre, rev_step, tag);
265 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
266 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
267 ? "EXPERIMENTAL " : "",
270 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
272 GFP_KERNEL, drv, iwl_req_fw_callback);
275 struct fw_img_parsing {
276 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
281 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
283 struct fw_sec_parsing {
289 * struct iwl_tlv_calib_data - parse the default calib data from TLV
291 * @ucode_type: the uCode to which the following default calib relates.
292 * @calib: default calibrations.
294 struct iwl_tlv_calib_data {
296 struct iwl_tlv_calib_ctrl calib;
299 struct iwl_firmware_pieces {
300 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
302 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
303 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
307 * These functions are just to extract uCode section data from the pieces
310 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
311 enum iwl_ucode_type type,
314 return &pieces->img[type].sec[sec];
317 static void set_sec_data(struct iwl_firmware_pieces *pieces,
318 enum iwl_ucode_type type,
322 pieces->img[type].sec[sec].data = data;
325 static void set_sec_size(struct iwl_firmware_pieces *pieces,
326 enum iwl_ucode_type type,
330 pieces->img[type].sec[sec].size = size;
333 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
334 enum iwl_ucode_type type,
337 return pieces->img[type].sec[sec].size;
340 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
341 enum iwl_ucode_type type,
345 pieces->img[type].sec[sec].offset = offset;
348 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
351 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
352 struct iwl_fw_cipher_scheme *fwcs;
353 struct ieee80211_cipher_scheme *cs;
356 if (len < sizeof(*l) ||
357 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
360 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
362 cipher = le32_to_cpu(fwcs->cipher);
364 /* we skip schemes with zero cipher suite selector */
370 cs->iftype = BIT(NL80211_IFTYPE_STATION);
371 cs->hdr_len = fwcs->hdr_len;
372 cs->pn_len = fwcs->pn_len;
373 cs->pn_off = fwcs->pn_off;
374 cs->key_idx_off = fwcs->key_idx_off;
375 cs->key_idx_mask = fwcs->key_idx_mask;
376 cs->key_idx_shift = fwcs->key_idx_shift;
377 cs->mic_len = fwcs->mic_len;
384 * Gets uCode section from tlv.
386 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
387 const void *data, enum iwl_ucode_type type,
390 struct fw_img_parsing *img;
392 struct fw_sec_parsing *sec_parse;
394 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
397 sec_parse = (struct fw_sec_parsing *)data;
399 img = &pieces->img[type];
400 sec = &img->sec[img->sec_counter];
402 sec->offset = le32_to_cpu(sec_parse->offset);
403 sec->data = sec_parse->data;
404 sec->size = size - sizeof(sec_parse->offset);
411 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
413 struct iwl_tlv_calib_data *def_calib =
414 (struct iwl_tlv_calib_data *)data;
415 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
416 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
417 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
421 drv->fw.default_calib[ucode_type].flow_trigger =
422 def_calib->calib.flow_trigger;
423 drv->fw.default_calib[ucode_type].event_trigger =
424 def_calib->calib.event_trigger;
429 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
430 struct iwl_ucode_capabilities *capa)
432 const struct iwl_ucode_api *ucode_api = (void *)data;
433 u32 api_index = le32_to_cpu(ucode_api->api_index);
435 if (api_index >= IWL_API_ARRAY_SIZE) {
436 IWL_ERR(drv, "api_index larger than supported by driver\n");
440 capa->api[api_index] = le32_to_cpu(ucode_api->api_flags);
445 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
446 struct iwl_ucode_capabilities *capa)
448 const struct iwl_ucode_capa *ucode_capa = (void *)data;
449 u32 api_index = le32_to_cpu(ucode_capa->api_index);
451 if (api_index >= IWL_CAPABILITIES_ARRAY_SIZE) {
452 IWL_ERR(drv, "api_index larger than supported by driver\n");
456 capa->capa[api_index] = le32_to_cpu(ucode_capa->api_capa);
461 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
462 const struct firmware *ucode_raw,
463 struct iwl_firmware_pieces *pieces)
465 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
466 u32 api_ver, hdr_size, build;
470 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
471 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
476 if (ucode_raw->size < hdr_size) {
477 IWL_ERR(drv, "File size too small!\n");
480 build = le32_to_cpu(ucode->u.v2.build);
481 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
482 le32_to_cpu(ucode->u.v2.inst_size));
483 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
484 le32_to_cpu(ucode->u.v2.data_size));
485 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
486 le32_to_cpu(ucode->u.v2.init_size));
487 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
488 le32_to_cpu(ucode->u.v2.init_data_size));
489 src = ucode->u.v2.data;
495 if (ucode_raw->size < hdr_size) {
496 IWL_ERR(drv, "File size too small!\n");
500 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
501 le32_to_cpu(ucode->u.v1.inst_size));
502 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
503 le32_to_cpu(ucode->u.v1.data_size));
504 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
505 le32_to_cpu(ucode->u.v1.init_size));
506 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
507 le32_to_cpu(ucode->u.v1.init_data_size));
508 src = ucode->u.v1.data;
513 sprintf(buildstr, " build %u%s", build,
514 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
519 snprintf(drv->fw.fw_version,
520 sizeof(drv->fw.fw_version),
522 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
523 IWL_UCODE_MINOR(drv->fw.ucode_ver),
524 IWL_UCODE_API(drv->fw.ucode_ver),
525 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
528 /* Verify size of file vs. image size info in file's header */
530 if (ucode_raw->size != hdr_size +
531 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
532 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
533 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
534 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
537 "uCode file size %d does not match expected size\n",
538 (int)ucode_raw->size);
543 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
544 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
545 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
546 IWLAGN_RTC_INST_LOWER_BOUND);
547 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
548 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
549 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
550 IWLAGN_RTC_DATA_LOWER_BOUND);
551 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
552 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
553 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
554 IWLAGN_RTC_INST_LOWER_BOUND);
555 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
556 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
557 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
558 IWLAGN_RTC_DATA_LOWER_BOUND);
562 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
563 const struct firmware *ucode_raw,
564 struct iwl_firmware_pieces *pieces,
565 struct iwl_ucode_capabilities *capa)
567 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
568 struct iwl_ucode_tlv *tlv;
569 size_t len = ucode_raw->size;
572 enum iwl_ucode_tlv_type tlv_type;
578 if (len < sizeof(*ucode)) {
579 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
583 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
584 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
585 le32_to_cpu(ucode->magic));
589 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
590 memcpy(drv->fw.human_readable, ucode->human_readable,
591 sizeof(drv->fw.human_readable));
592 build = le32_to_cpu(ucode->build);
595 sprintf(buildstr, " build %u%s", build,
596 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
601 snprintf(drv->fw.fw_version,
602 sizeof(drv->fw.fw_version),
604 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
605 IWL_UCODE_MINOR(drv->fw.ucode_ver),
606 IWL_UCODE_API(drv->fw.ucode_ver),
607 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
612 len -= sizeof(*ucode);
614 while (len >= sizeof(*tlv)) {
618 tlv_len = le32_to_cpu(tlv->length);
619 tlv_type = le32_to_cpu(tlv->type);
620 tlv_data = tlv->data;
623 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
627 len -= ALIGN(tlv_len, 4);
628 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
631 case IWL_UCODE_TLV_INST:
632 set_sec_data(pieces, IWL_UCODE_REGULAR,
633 IWL_UCODE_SECTION_INST, tlv_data);
634 set_sec_size(pieces, IWL_UCODE_REGULAR,
635 IWL_UCODE_SECTION_INST, tlv_len);
636 set_sec_offset(pieces, IWL_UCODE_REGULAR,
637 IWL_UCODE_SECTION_INST,
638 IWLAGN_RTC_INST_LOWER_BOUND);
640 case IWL_UCODE_TLV_DATA:
641 set_sec_data(pieces, IWL_UCODE_REGULAR,
642 IWL_UCODE_SECTION_DATA, tlv_data);
643 set_sec_size(pieces, IWL_UCODE_REGULAR,
644 IWL_UCODE_SECTION_DATA, tlv_len);
645 set_sec_offset(pieces, IWL_UCODE_REGULAR,
646 IWL_UCODE_SECTION_DATA,
647 IWLAGN_RTC_DATA_LOWER_BOUND);
649 case IWL_UCODE_TLV_INIT:
650 set_sec_data(pieces, IWL_UCODE_INIT,
651 IWL_UCODE_SECTION_INST, tlv_data);
652 set_sec_size(pieces, IWL_UCODE_INIT,
653 IWL_UCODE_SECTION_INST, tlv_len);
654 set_sec_offset(pieces, IWL_UCODE_INIT,
655 IWL_UCODE_SECTION_INST,
656 IWLAGN_RTC_INST_LOWER_BOUND);
658 case IWL_UCODE_TLV_INIT_DATA:
659 set_sec_data(pieces, IWL_UCODE_INIT,
660 IWL_UCODE_SECTION_DATA, tlv_data);
661 set_sec_size(pieces, IWL_UCODE_INIT,
662 IWL_UCODE_SECTION_DATA, tlv_len);
663 set_sec_offset(pieces, IWL_UCODE_INIT,
664 IWL_UCODE_SECTION_DATA,
665 IWLAGN_RTC_DATA_LOWER_BOUND);
667 case IWL_UCODE_TLV_BOOT:
668 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
670 case IWL_UCODE_TLV_PROBE_MAX_LEN:
671 if (tlv_len != sizeof(u32))
672 goto invalid_tlv_len;
673 capa->max_probe_length =
674 le32_to_cpup((__le32 *)tlv_data);
676 case IWL_UCODE_TLV_PAN:
678 goto invalid_tlv_len;
679 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
681 case IWL_UCODE_TLV_FLAGS:
682 /* must be at least one u32 */
683 if (tlv_len < sizeof(u32))
684 goto invalid_tlv_len;
685 /* and a proper number of u32s */
686 if (tlv_len % sizeof(u32))
687 goto invalid_tlv_len;
689 * This driver only reads the first u32 as
690 * right now no more features are defined,
691 * if that changes then either the driver
692 * will not work with the new firmware, or
693 * it'll not take advantage of new features.
695 capa->flags = le32_to_cpup((__le32 *)tlv_data);
697 case IWL_UCODE_TLV_API_CHANGES_SET:
698 if (tlv_len != sizeof(struct iwl_ucode_api))
699 goto invalid_tlv_len;
700 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
703 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
704 if (tlv_len != sizeof(struct iwl_ucode_capa))
705 goto invalid_tlv_len;
706 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
709 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
710 if (tlv_len != sizeof(u32))
711 goto invalid_tlv_len;
712 pieces->init_evtlog_ptr =
713 le32_to_cpup((__le32 *)tlv_data);
715 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
716 if (tlv_len != sizeof(u32))
717 goto invalid_tlv_len;
718 pieces->init_evtlog_size =
719 le32_to_cpup((__le32 *)tlv_data);
721 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
722 if (tlv_len != sizeof(u32))
723 goto invalid_tlv_len;
724 pieces->init_errlog_ptr =
725 le32_to_cpup((__le32 *)tlv_data);
727 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
728 if (tlv_len != sizeof(u32))
729 goto invalid_tlv_len;
730 pieces->inst_evtlog_ptr =
731 le32_to_cpup((__le32 *)tlv_data);
733 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
734 if (tlv_len != sizeof(u32))
735 goto invalid_tlv_len;
736 pieces->inst_evtlog_size =
737 le32_to_cpup((__le32 *)tlv_data);
739 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
740 if (tlv_len != sizeof(u32))
741 goto invalid_tlv_len;
742 pieces->inst_errlog_ptr =
743 le32_to_cpup((__le32 *)tlv_data);
745 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
747 goto invalid_tlv_len;
748 drv->fw.enhance_sensitivity_table = true;
750 case IWL_UCODE_TLV_WOWLAN_INST:
751 set_sec_data(pieces, IWL_UCODE_WOWLAN,
752 IWL_UCODE_SECTION_INST, tlv_data);
753 set_sec_size(pieces, IWL_UCODE_WOWLAN,
754 IWL_UCODE_SECTION_INST, tlv_len);
755 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
756 IWL_UCODE_SECTION_INST,
757 IWLAGN_RTC_INST_LOWER_BOUND);
759 case IWL_UCODE_TLV_WOWLAN_DATA:
760 set_sec_data(pieces, IWL_UCODE_WOWLAN,
761 IWL_UCODE_SECTION_DATA, tlv_data);
762 set_sec_size(pieces, IWL_UCODE_WOWLAN,
763 IWL_UCODE_SECTION_DATA, tlv_len);
764 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
765 IWL_UCODE_SECTION_DATA,
766 IWLAGN_RTC_DATA_LOWER_BOUND);
768 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
769 if (tlv_len != sizeof(u32))
770 goto invalid_tlv_len;
771 capa->standard_phy_calibration_size =
772 le32_to_cpup((__le32 *)tlv_data);
774 case IWL_UCODE_TLV_SEC_RT:
775 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
777 drv->fw.mvm_fw = true;
779 case IWL_UCODE_TLV_SEC_INIT:
780 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
782 drv->fw.mvm_fw = true;
784 case IWL_UCODE_TLV_SEC_WOWLAN:
785 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
787 drv->fw.mvm_fw = true;
789 case IWL_UCODE_TLV_DEF_CALIB:
790 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
791 goto invalid_tlv_len;
792 if (iwl_set_default_calib(drv, tlv_data))
795 case IWL_UCODE_TLV_PHY_SKU:
796 if (tlv_len != sizeof(u32))
797 goto invalid_tlv_len;
798 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
799 drv->fw.valid_tx_ant = (drv->fw.phy_config &
800 FW_PHY_CFG_TX_CHAIN) >>
801 FW_PHY_CFG_TX_CHAIN_POS;
802 drv->fw.valid_rx_ant = (drv->fw.phy_config &
803 FW_PHY_CFG_RX_CHAIN) >>
804 FW_PHY_CFG_RX_CHAIN_POS;
806 case IWL_UCODE_TLV_SECURE_SEC_RT:
807 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
809 drv->fw.mvm_fw = true;
811 case IWL_UCODE_TLV_SECURE_SEC_INIT:
812 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
814 drv->fw.mvm_fw = true;
816 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
817 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
819 drv->fw.mvm_fw = true;
821 case IWL_UCODE_TLV_NUM_OF_CPU:
822 if (tlv_len != sizeof(u32))
823 goto invalid_tlv_len;
825 le32_to_cpup((__le32 *)tlv_data);
827 if (num_of_cpus == 2) {
828 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
830 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
832 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
834 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
835 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
839 case IWL_UCODE_TLV_CSCHEME:
840 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
841 goto invalid_tlv_len;
843 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
844 if (tlv_len != sizeof(u32))
845 goto invalid_tlv_len;
846 capa->n_scan_channels =
847 le32_to_cpup((__le32 *)tlv_data);
850 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
856 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
857 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
864 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
866 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
871 static int iwl_alloc_ucode(struct iwl_drv *drv,
872 struct iwl_firmware_pieces *pieces,
873 enum iwl_ucode_type type)
877 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
879 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
880 get_sec(pieces, type, i)))
885 static int validate_sec_sizes(struct iwl_drv *drv,
886 struct iwl_firmware_pieces *pieces,
887 const struct iwl_cfg *cfg)
889 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
890 get_sec_size(pieces, IWL_UCODE_REGULAR,
891 IWL_UCODE_SECTION_INST));
892 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
893 get_sec_size(pieces, IWL_UCODE_REGULAR,
894 IWL_UCODE_SECTION_DATA));
895 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
896 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
897 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
898 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
900 /* Verify that uCode images will fit in card's SRAM. */
901 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
902 cfg->max_inst_size) {
903 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
904 get_sec_size(pieces, IWL_UCODE_REGULAR,
905 IWL_UCODE_SECTION_INST));
909 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
910 cfg->max_data_size) {
911 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
912 get_sec_size(pieces, IWL_UCODE_REGULAR,
913 IWL_UCODE_SECTION_DATA));
917 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
918 cfg->max_inst_size) {
919 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
920 get_sec_size(pieces, IWL_UCODE_INIT,
921 IWL_UCODE_SECTION_INST));
925 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
926 cfg->max_data_size) {
927 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
928 get_sec_size(pieces, IWL_UCODE_REGULAR,
929 IWL_UCODE_SECTION_DATA));
935 static struct iwl_op_mode *
936 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
938 const struct iwl_op_mode_ops *ops = op->ops;
939 struct dentry *dbgfs_dir = NULL;
940 struct iwl_op_mode *op_mode = NULL;
942 #ifdef CONFIG_IWLWIFI_DEBUGFS
943 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
945 if (!drv->dbgfs_op_mode) {
947 "failed to create opmode debugfs directory\n");
950 dbgfs_dir = drv->dbgfs_op_mode;
953 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
955 #ifdef CONFIG_IWLWIFI_DEBUGFS
957 debugfs_remove_recursive(drv->dbgfs_op_mode);
958 drv->dbgfs_op_mode = NULL;
965 static void _iwl_op_mode_stop(struct iwl_drv *drv)
967 /* op_mode can be NULL if its start failed */
969 iwl_op_mode_stop(drv->op_mode);
972 #ifdef CONFIG_IWLWIFI_DEBUGFS
973 debugfs_remove_recursive(drv->dbgfs_op_mode);
974 drv->dbgfs_op_mode = NULL;
980 * iwl_req_fw_callback - callback when firmware was loaded
982 * If loaded successfully, copies the firmware into buffers
983 * for the card to fetch (via DMA).
985 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
987 struct iwl_drv *drv = context;
988 struct iwl_fw *fw = &drv->fw;
989 struct iwl_ucode_header *ucode;
990 struct iwlwifi_opmode_table *op;
992 struct iwl_firmware_pieces pieces;
993 const unsigned int api_max = drv->cfg->ucode_api_max;
994 unsigned int api_ok = drv->cfg->ucode_api_ok;
995 const unsigned int api_min = drv->cfg->ucode_api_min;
998 bool load_module = false;
1000 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1001 fw->ucode_capa.standard_phy_calibration_size =
1002 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1003 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1008 memset(&pieces, 0, sizeof(pieces));
1011 if (drv->fw_index <= api_ok)
1013 "request for firmware file '%s' failed.\n",
1014 drv->firmware_name);
1018 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1019 drv->firmware_name, ucode_raw->size);
1021 /* Make sure that we got at least the API version number */
1022 if (ucode_raw->size < 4) {
1023 IWL_ERR(drv, "File size way too small!\n");
1027 /* Data from ucode file: header followed by uCode images */
1028 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1031 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces);
1033 err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces,
1039 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1042 * api_ver should match the api version forming part of the
1043 * firmware filename ... but we don't check for that and only rely
1044 * on the API version read from firmware header from here on forward
1046 /* no api version check required for experimental uCode */
1047 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1048 if (api_ver < api_min || api_ver > api_max) {
1050 "Driver unable to support your firmware API. "
1051 "Driver supports v%u, firmware is v%u.\n",
1056 if (api_ver < api_ok) {
1057 if (api_ok != api_max)
1058 IWL_ERR(drv, "Firmware has old API version, "
1059 "expected v%u through v%u, got v%u.\n",
1060 api_ok, api_max, api_ver);
1062 IWL_ERR(drv, "Firmware has old API version, "
1063 "expected v%u, got v%u.\n",
1065 IWL_ERR(drv, "New firmware can be obtained from "
1066 "http://www.intellinuxwireless.org/.\n");
1071 * In mvm uCode there is no difference between data and instructions
1074 if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg))
1077 /* Allocate ucode buffers for card's bus-master loading ... */
1079 /* Runtime instructions and 2 copies of data:
1080 * 1) unmodified from disk
1081 * 2) backup cache for save/restore during power-downs */
1082 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1083 if (iwl_alloc_ucode(drv, &pieces, i))
1086 /* Now that we can no longer fail, copy information */
1089 * The (size - 16) / 12 formula is based on the information recorded
1090 * for each event, which is of mode 1 (including timestamp) for all
1091 * new microcodes that include this information.
1093 fw->init_evtlog_ptr = pieces.init_evtlog_ptr;
1094 if (pieces.init_evtlog_size)
1095 fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
1097 fw->init_evtlog_size =
1098 drv->cfg->base_params->max_event_log_size;
1099 fw->init_errlog_ptr = pieces.init_errlog_ptr;
1100 fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
1101 if (pieces.inst_evtlog_size)
1102 fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
1104 fw->inst_evtlog_size =
1105 drv->cfg->base_params->max_event_log_size;
1106 fw->inst_errlog_ptr = pieces.inst_errlog_ptr;
1109 * figure out the offset of chain noise reset and gain commands
1110 * base on the size of standard phy calibration commands table size
1112 if (fw->ucode_capa.standard_phy_calibration_size >
1113 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1114 fw->ucode_capa.standard_phy_calibration_size =
1115 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1117 /* We have our copies now, allow OS release its copies */
1118 release_firmware(ucode_raw);
1120 mutex_lock(&iwlwifi_opmode_table_mtx);
1122 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1124 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1126 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1127 drv->fw.fw_version, op->name);
1129 /* add this device to the list of devices using this op_mode */
1130 list_add_tail(&drv->list, &op->drv);
1133 drv->op_mode = _iwl_op_mode_start(drv, op);
1135 if (!drv->op_mode) {
1136 mutex_unlock(&iwlwifi_opmode_table_mtx);
1142 mutex_unlock(&iwlwifi_opmode_table_mtx);
1145 * Complete the firmware request last so that
1146 * a driver unbind (stop) doesn't run while we
1147 * are doing the start() above.
1149 complete(&drv->request_firmware_complete);
1152 * Load the module last so we don't block anything
1153 * else from proceeding if the module fails to load
1157 err = request_module("%s", op->name);
1158 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1161 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1168 /* try next, if any */
1169 release_firmware(ucode_raw);
1170 if (iwl_request_firmware(drv, false))
1175 IWL_ERR(drv, "failed to allocate pci memory\n");
1176 iwl_dealloc_ucode(drv);
1177 release_firmware(ucode_raw);
1179 complete(&drv->request_firmware_complete);
1180 device_release_driver(drv->trans->dev);
1183 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1184 const struct iwl_cfg *cfg)
1186 struct iwl_drv *drv;
1189 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1196 drv->dev = trans->dev;
1199 init_completion(&drv->request_firmware_complete);
1200 INIT_LIST_HEAD(&drv->list);
1202 #ifdef CONFIG_IWLWIFI_DEBUGFS
1203 /* Create the device debugfs entries. */
1204 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1207 if (!drv->dbgfs_drv) {
1208 IWL_ERR(drv, "failed to create debugfs directory\n");
1213 /* Create transport layer debugfs dir */
1214 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1216 if (!drv->trans->dbgfs_dir) {
1217 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1219 goto err_free_dbgfs;
1223 ret = iwl_request_firmware(drv, true);
1225 IWL_ERR(trans, "Couldn't request the fw\n");
1232 #ifdef CONFIG_IWLWIFI_DEBUGFS
1234 debugfs_remove_recursive(drv->dbgfs_drv);
1239 return ERR_PTR(ret);
1242 void iwl_drv_stop(struct iwl_drv *drv)
1244 wait_for_completion(&drv->request_firmware_complete);
1246 _iwl_op_mode_stop(drv);
1248 iwl_dealloc_ucode(drv);
1250 mutex_lock(&iwlwifi_opmode_table_mtx);
1252 * List is empty (this item wasn't added)
1253 * when firmware loading failed -- in that
1254 * case we can't remove it from any list.
1256 if (!list_empty(&drv->list))
1257 list_del(&drv->list);
1258 mutex_unlock(&iwlwifi_opmode_table_mtx);
1260 #ifdef CONFIG_IWLWIFI_DEBUGFS
1261 debugfs_remove_recursive(drv->dbgfs_drv);
1268 /* shared module parameters */
1269 struct iwl_mod_params iwlwifi_mod_params = {
1271 .bt_coex_active = true,
1272 .power_level = IWL_POWER_INDEX_1,
1274 #ifndef CONFIG_IWLWIFI_UAPSD
1275 .uapsd_disable = true,
1276 #endif /* CONFIG_IWLWIFI_UAPSD */
1277 /* the rest are 0 by default */
1279 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1281 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1284 struct iwl_drv *drv;
1285 struct iwlwifi_opmode_table *op;
1287 mutex_lock(&iwlwifi_opmode_table_mtx);
1288 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1289 op = &iwlwifi_opmode_table[i];
1290 if (strcmp(op->name, name))
1293 /* TODO: need to handle exceptional case */
1294 list_for_each_entry(drv, &op->drv, list)
1295 drv->op_mode = _iwl_op_mode_start(drv, op);
1297 mutex_unlock(&iwlwifi_opmode_table_mtx);
1300 mutex_unlock(&iwlwifi_opmode_table_mtx);
1303 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1305 void iwl_opmode_deregister(const char *name)
1308 struct iwl_drv *drv;
1310 mutex_lock(&iwlwifi_opmode_table_mtx);
1311 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1312 if (strcmp(iwlwifi_opmode_table[i].name, name))
1314 iwlwifi_opmode_table[i].ops = NULL;
1316 /* call the stop routine for all devices */
1317 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1318 _iwl_op_mode_stop(drv);
1320 mutex_unlock(&iwlwifi_opmode_table_mtx);
1323 mutex_unlock(&iwlwifi_opmode_table_mtx);
1325 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1327 static int __init iwl_drv_init(void)
1331 mutex_init(&iwlwifi_opmode_table_mtx);
1333 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1334 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1336 pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
1337 pr_info(DRV_COPYRIGHT "\n");
1339 #ifdef CONFIG_IWLWIFI_DEBUGFS
1340 /* Create the root of iwlwifi debugfs subsystem. */
1341 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1343 if (!iwl_dbgfs_root)
1347 return iwl_pci_register_driver();
1349 module_init(iwl_drv_init);
1351 static void __exit iwl_drv_exit(void)
1353 iwl_pci_unregister_driver();
1355 #ifdef CONFIG_IWLWIFI_DEBUGFS
1356 debugfs_remove_recursive(iwl_dbgfs_root);
1359 module_exit(iwl_drv_exit);
1361 #ifdef CONFIG_IWLWIFI_DEBUG
1362 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1364 MODULE_PARM_DESC(debug, "debug output mask");
1367 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1368 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1369 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1370 MODULE_PARM_DESC(11n_disable,
1371 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1372 module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
1374 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
1375 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1376 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1378 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1380 MODULE_PARM_DESC(antenna_coupling,
1381 "specify antenna coupling in dB (default: 0 dB)");
1383 module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO);
1384 MODULE_PARM_DESC(wd_disable,
1385 "Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1)");
1387 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1388 MODULE_PARM_DESC(nvm_file, "NVM file name");
1390 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1392 #ifdef CONFIG_IWLWIFI_UAPSD
1393 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
1395 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
1399 * set bt_coex_active to true, uCode will do kill/defer
1400 * every time the priority line is asserted (BT is sending signals on the
1401 * priority line in the PCIx).
1402 * set bt_coex_active to false, uCode will ignore the BT activity and
1403 * perform the normal operation
1405 * User might experience transmit issue on some platform due to WiFi/BT
1406 * co-exist problem. The possible behaviors are:
1407 * Able to scan and finding all the available AP
1408 * Not able to associate with any AP
1409 * On those platforms, WiFi communication can be restored by set
1410 * "bt_coex_active" module parameter to "false"
1412 * default: bt_coex_active = true (BT_COEX_ENABLE)
1414 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1416 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1418 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1419 MODULE_PARM_DESC(led_mode, "0=system default, "
1420 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1422 module_param_named(power_save, iwlwifi_mod_params.power_save,
1424 MODULE_PARM_DESC(power_save,
1425 "enable WiFi power management (default: disable)");
1427 module_param_named(power_level, iwlwifi_mod_params.power_level,
1429 MODULE_PARM_DESC(power_level,
1430 "default power save level (range from 1 - 5, default: 1)");
1432 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1433 MODULE_PARM_DESC(fw_monitor,
1434 "firmware monitor - to debug FW (default: false - needs lots of memory)");