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;
810 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_secure
= true;
812 case IWL_UCODE_TLV_SECURE_SEC_INIT
:
813 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
815 drv
->fw
.mvm_fw
= true;
816 drv
->fw
.img
[IWL_UCODE_INIT
].is_secure
= true;
818 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN
:
819 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
821 drv
->fw
.mvm_fw
= true;
822 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_secure
= true;
824 case IWL_UCODE_TLV_NUM_OF_CPU
:
825 if (tlv_len
!= sizeof(u32
))
826 goto invalid_tlv_len
;
828 le32_to_cpup((__le32
*)tlv_data
);
830 if (num_of_cpus
== 2) {
831 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_dual_cpus
=
833 drv
->fw
.img
[IWL_UCODE_INIT
].is_dual_cpus
=
835 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_dual_cpus
=
837 } else if ((num_of_cpus
> 2) || (num_of_cpus
< 1)) {
838 IWL_ERR(drv
, "Driver support upto 2 CPUs\n");
842 case IWL_UCODE_TLV_CSCHEME
:
843 if (iwl_store_cscheme(&drv
->fw
, tlv_data
, tlv_len
))
844 goto invalid_tlv_len
;
846 case IWL_UCODE_TLV_N_SCAN_CHANNELS
:
847 if (tlv_len
!= sizeof(u32
))
848 goto invalid_tlv_len
;
849 capa
->n_scan_channels
=
850 le32_to_cpup((__le32
*)tlv_data
);
853 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
859 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
860 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
867 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
869 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
874 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
875 struct iwl_firmware_pieces
*pieces
,
876 enum iwl_ucode_type type
)
880 i
< IWL_UCODE_SECTION_MAX
&& get_sec_size(pieces
, type
, i
);
882 if (iwl_alloc_fw_desc(drv
, &(drv
->fw
.img
[type
].sec
[i
]),
883 get_sec(pieces
, type
, i
)))
888 static int validate_sec_sizes(struct iwl_drv
*drv
,
889 struct iwl_firmware_pieces
*pieces
,
890 const struct iwl_cfg
*cfg
)
892 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %Zd\n",
893 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
894 IWL_UCODE_SECTION_INST
));
895 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %Zd\n",
896 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
897 IWL_UCODE_SECTION_DATA
));
898 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %Zd\n",
899 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
900 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %Zd\n",
901 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
903 /* Verify that uCode images will fit in card's SRAM. */
904 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
905 cfg
->max_inst_size
) {
906 IWL_ERR(drv
, "uCode instr len %Zd too large to fit in\n",
907 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
908 IWL_UCODE_SECTION_INST
));
912 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
913 cfg
->max_data_size
) {
914 IWL_ERR(drv
, "uCode data len %Zd too large to fit in\n",
915 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
916 IWL_UCODE_SECTION_DATA
));
920 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
921 cfg
->max_inst_size
) {
922 IWL_ERR(drv
, "uCode init instr len %Zd too large to fit in\n",
923 get_sec_size(pieces
, IWL_UCODE_INIT
,
924 IWL_UCODE_SECTION_INST
));
928 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
929 cfg
->max_data_size
) {
930 IWL_ERR(drv
, "uCode init data len %Zd too large to fit in\n",
931 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
932 IWL_UCODE_SECTION_DATA
));
938 static struct iwl_op_mode
*
939 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
941 const struct iwl_op_mode_ops
*ops
= op
->ops
;
942 struct dentry
*dbgfs_dir
= NULL
;
943 struct iwl_op_mode
*op_mode
= NULL
;
945 #ifdef CONFIG_IWLWIFI_DEBUGFS
946 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
948 if (!drv
->dbgfs_op_mode
) {
950 "failed to create opmode debugfs directory\n");
953 dbgfs_dir
= drv
->dbgfs_op_mode
;
956 op_mode
= ops
->start(drv
->trans
, drv
->cfg
, &drv
->fw
, dbgfs_dir
);
958 #ifdef CONFIG_IWLWIFI_DEBUGFS
960 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
961 drv
->dbgfs_op_mode
= NULL
;
968 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
970 /* op_mode can be NULL if its start failed */
972 iwl_op_mode_stop(drv
->op_mode
);
975 #ifdef CONFIG_IWLWIFI_DEBUGFS
976 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
977 drv
->dbgfs_op_mode
= NULL
;
983 * iwl_req_fw_callback - callback when firmware was loaded
985 * If loaded successfully, copies the firmware into buffers
986 * for the card to fetch (via DMA).
988 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
990 struct iwl_drv
*drv
= context
;
991 struct iwl_fw
*fw
= &drv
->fw
;
992 struct iwl_ucode_header
*ucode
;
993 struct iwlwifi_opmode_table
*op
;
995 struct iwl_firmware_pieces pieces
;
996 const unsigned int api_max
= drv
->cfg
->ucode_api_max
;
997 unsigned int api_ok
= drv
->cfg
->ucode_api_ok
;
998 const unsigned int api_min
= drv
->cfg
->ucode_api_min
;
1001 bool load_module
= false;
1003 fw
->ucode_capa
.max_probe_length
= IWL_DEFAULT_MAX_PROBE_LENGTH
;
1004 fw
->ucode_capa
.standard_phy_calibration_size
=
1005 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1006 fw
->ucode_capa
.n_scan_channels
= IWL_DEFAULT_SCAN_CHANNELS
;
1011 memset(&pieces
, 0, sizeof(pieces
));
1014 if (drv
->fw_index
<= api_ok
)
1016 "request for firmware file '%s' failed.\n",
1017 drv
->firmware_name
);
1021 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
1022 drv
->firmware_name
, ucode_raw
->size
);
1024 /* Make sure that we got at least the API version number */
1025 if (ucode_raw
->size
< 4) {
1026 IWL_ERR(drv
, "File size way too small!\n");
1030 /* Data from ucode file: header followed by uCode images */
1031 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
1034 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, &pieces
);
1036 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, &pieces
,
1042 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
1045 * api_ver should match the api version forming part of the
1046 * firmware filename ... but we don't check for that and only rely
1047 * on the API version read from firmware header from here on forward
1049 /* no api version check required for experimental uCode */
1050 if (drv
->fw_index
!= UCODE_EXPERIMENTAL_INDEX
) {
1051 if (api_ver
< api_min
|| api_ver
> api_max
) {
1053 "Driver unable to support your firmware API. "
1054 "Driver supports v%u, firmware is v%u.\n",
1059 if (api_ver
< api_ok
) {
1060 if (api_ok
!= api_max
)
1061 IWL_ERR(drv
, "Firmware has old API version, "
1062 "expected v%u through v%u, got v%u.\n",
1063 api_ok
, api_max
, api_ver
);
1065 IWL_ERR(drv
, "Firmware has old API version, "
1066 "expected v%u, got v%u.\n",
1068 IWL_ERR(drv
, "New firmware can be obtained from "
1069 "http://www.intellinuxwireless.org/.\n");
1074 * In mvm uCode there is no difference between data and instructions
1077 if (!fw
->mvm_fw
&& validate_sec_sizes(drv
, &pieces
, drv
->cfg
))
1080 /* Allocate ucode buffers for card's bus-master loading ... */
1082 /* Runtime instructions and 2 copies of data:
1083 * 1) unmodified from disk
1084 * 2) backup cache for save/restore during power-downs */
1085 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
1086 if (iwl_alloc_ucode(drv
, &pieces
, i
))
1089 /* Now that we can no longer fail, copy information */
1092 * The (size - 16) / 12 formula is based on the information recorded
1093 * for each event, which is of mode 1 (including timestamp) for all
1094 * new microcodes that include this information.
1096 fw
->init_evtlog_ptr
= pieces
.init_evtlog_ptr
;
1097 if (pieces
.init_evtlog_size
)
1098 fw
->init_evtlog_size
= (pieces
.init_evtlog_size
- 16)/12;
1100 fw
->init_evtlog_size
=
1101 drv
->cfg
->base_params
->max_event_log_size
;
1102 fw
->init_errlog_ptr
= pieces
.init_errlog_ptr
;
1103 fw
->inst_evtlog_ptr
= pieces
.inst_evtlog_ptr
;
1104 if (pieces
.inst_evtlog_size
)
1105 fw
->inst_evtlog_size
= (pieces
.inst_evtlog_size
- 16)/12;
1107 fw
->inst_evtlog_size
=
1108 drv
->cfg
->base_params
->max_event_log_size
;
1109 fw
->inst_errlog_ptr
= pieces
.inst_errlog_ptr
;
1112 * figure out the offset of chain noise reset and gain commands
1113 * base on the size of standard phy calibration commands table size
1115 if (fw
->ucode_capa
.standard_phy_calibration_size
>
1116 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1117 fw
->ucode_capa
.standard_phy_calibration_size
=
1118 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1120 /* We have our copies now, allow OS release its copies */
1121 release_firmware(ucode_raw
);
1123 mutex_lock(&iwlwifi_opmode_table_mtx
);
1125 op
= &iwlwifi_opmode_table
[MVM_OP_MODE
];
1127 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
1129 IWL_INFO(drv
, "loaded firmware version %s op_mode %s\n",
1130 drv
->fw
.fw_version
, op
->name
);
1132 /* add this device to the list of devices using this op_mode */
1133 list_add_tail(&drv
->list
, &op
->drv
);
1136 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1138 if (!drv
->op_mode
) {
1139 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1145 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1148 * Complete the firmware request last so that
1149 * a driver unbind (stop) doesn't run while we
1150 * are doing the start() above.
1152 complete(&drv
->request_firmware_complete
);
1155 * Load the module last so we don't block anything
1156 * else from proceeding if the module fails to load
1160 err
= request_module("%s", op
->name
);
1161 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1164 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1171 /* try next, if any */
1172 release_firmware(ucode_raw
);
1173 if (iwl_request_firmware(drv
, false))
1178 IWL_ERR(drv
, "failed to allocate pci memory\n");
1179 iwl_dealloc_ucode(drv
);
1180 release_firmware(ucode_raw
);
1182 complete(&drv
->request_firmware_complete
);
1183 device_release_driver(drv
->trans
->dev
);
1186 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
,
1187 const struct iwl_cfg
*cfg
)
1189 struct iwl_drv
*drv
;
1192 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1199 drv
->dev
= trans
->dev
;
1202 init_completion(&drv
->request_firmware_complete
);
1203 INIT_LIST_HEAD(&drv
->list
);
1205 #ifdef CONFIG_IWLWIFI_DEBUGFS
1206 /* Create the device debugfs entries. */
1207 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1210 if (!drv
->dbgfs_drv
) {
1211 IWL_ERR(drv
, "failed to create debugfs directory\n");
1216 /* Create transport layer debugfs dir */
1217 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1219 if (!drv
->trans
->dbgfs_dir
) {
1220 IWL_ERR(drv
, "failed to create transport debugfs directory\n");
1222 goto err_free_dbgfs
;
1226 ret
= iwl_request_firmware(drv
, true);
1228 IWL_ERR(trans
, "Couldn't request the fw\n");
1235 #ifdef CONFIG_IWLWIFI_DEBUGFS
1237 debugfs_remove_recursive(drv
->dbgfs_drv
);
1242 return ERR_PTR(ret
);
1245 void iwl_drv_stop(struct iwl_drv
*drv
)
1247 wait_for_completion(&drv
->request_firmware_complete
);
1249 _iwl_op_mode_stop(drv
);
1251 iwl_dealloc_ucode(drv
);
1253 mutex_lock(&iwlwifi_opmode_table_mtx
);
1255 * List is empty (this item wasn't added)
1256 * when firmware loading failed -- in that
1257 * case we can't remove it from any list.
1259 if (!list_empty(&drv
->list
))
1260 list_del(&drv
->list
);
1261 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1263 #ifdef CONFIG_IWLWIFI_DEBUGFS
1264 debugfs_remove_recursive(drv
->dbgfs_drv
);
1271 /* shared module parameters */
1272 struct iwl_mod_params iwlwifi_mod_params
= {
1274 .bt_coex_active
= true,
1275 .power_level
= IWL_POWER_INDEX_1
,
1277 #ifndef CONFIG_IWLWIFI_UAPSD
1278 .uapsd_disable
= true,
1279 #endif /* CONFIG_IWLWIFI_UAPSD */
1280 /* the rest are 0 by default */
1282 IWL_EXPORT_SYMBOL(iwlwifi_mod_params
);
1284 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1287 struct iwl_drv
*drv
;
1288 struct iwlwifi_opmode_table
*op
;
1290 mutex_lock(&iwlwifi_opmode_table_mtx
);
1291 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1292 op
= &iwlwifi_opmode_table
[i
];
1293 if (strcmp(op
->name
, name
))
1296 /* TODO: need to handle exceptional case */
1297 list_for_each_entry(drv
, &op
->drv
, list
)
1298 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1300 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1303 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1306 IWL_EXPORT_SYMBOL(iwl_opmode_register
);
1308 void iwl_opmode_deregister(const char *name
)
1311 struct iwl_drv
*drv
;
1313 mutex_lock(&iwlwifi_opmode_table_mtx
);
1314 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1315 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1317 iwlwifi_opmode_table
[i
].ops
= NULL
;
1319 /* call the stop routine for all devices */
1320 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1321 _iwl_op_mode_stop(drv
);
1323 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1326 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1328 IWL_EXPORT_SYMBOL(iwl_opmode_deregister
);
1330 static int __init
iwl_drv_init(void)
1334 mutex_init(&iwlwifi_opmode_table_mtx
);
1336 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1337 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1339 pr_info(DRV_DESCRIPTION
", " DRV_VERSION
"\n");
1340 pr_info(DRV_COPYRIGHT
"\n");
1342 #ifdef CONFIG_IWLWIFI_DEBUGFS
1343 /* Create the root of iwlwifi debugfs subsystem. */
1344 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1346 if (!iwl_dbgfs_root
)
1350 return iwl_pci_register_driver();
1352 module_init(iwl_drv_init
);
1354 static void __exit
iwl_drv_exit(void)
1356 iwl_pci_unregister_driver();
1358 #ifdef CONFIG_IWLWIFI_DEBUGFS
1359 debugfs_remove_recursive(iwl_dbgfs_root
);
1362 module_exit(iwl_drv_exit
);
1364 #ifdef CONFIG_IWLWIFI_DEBUG
1365 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
,
1367 MODULE_PARM_DESC(debug
, "debug output mask");
1370 module_param_named(swcrypto
, iwlwifi_mod_params
.sw_crypto
, int, S_IRUGO
);
1371 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1372 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, S_IRUGO
);
1373 MODULE_PARM_DESC(11n_disable
,
1374 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1375 module_param_named(amsdu_size_8K
, iwlwifi_mod_params
.amsdu_size_8K
,
1377 MODULE_PARM_DESC(amsdu_size_8K
, "enable 8K amsdu size (default 0)");
1378 module_param_named(fw_restart
, iwlwifi_mod_params
.restart_fw
, bool, S_IRUGO
);
1379 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error (default true)");
1381 module_param_named(antenna_coupling
, iwlwifi_mod_params
.ant_coupling
,
1383 MODULE_PARM_DESC(antenna_coupling
,
1384 "specify antenna coupling in dB (default: 0 dB)");
1386 module_param_named(wd_disable
, iwlwifi_mod_params
.wd_disable
, int, S_IRUGO
);
1387 MODULE_PARM_DESC(wd_disable
,
1388 "Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1)");
1390 module_param_named(nvm_file
, iwlwifi_mod_params
.nvm_file
, charp
, S_IRUGO
);
1391 MODULE_PARM_DESC(nvm_file
, "NVM file name");
1393 module_param_named(uapsd_disable
, iwlwifi_mod_params
.uapsd_disable
,
1395 #ifdef CONFIG_IWLWIFI_UAPSD
1396 MODULE_PARM_DESC(uapsd_disable
, "disable U-APSD functionality (default: N)");
1398 MODULE_PARM_DESC(uapsd_disable
, "disable U-APSD functionality (default: Y)");
1402 * set bt_coex_active to true, uCode will do kill/defer
1403 * every time the priority line is asserted (BT is sending signals on the
1404 * priority line in the PCIx).
1405 * set bt_coex_active to false, uCode will ignore the BT activity and
1406 * perform the normal operation
1408 * User might experience transmit issue on some platform due to WiFi/BT
1409 * co-exist problem. The possible behaviors are:
1410 * Able to scan and finding all the available AP
1411 * Not able to associate with any AP
1412 * On those platforms, WiFi communication can be restored by set
1413 * "bt_coex_active" module parameter to "false"
1415 * default: bt_coex_active = true (BT_COEX_ENABLE)
1417 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1419 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1421 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, S_IRUGO
);
1422 MODULE_PARM_DESC(led_mode
, "0=system default, "
1423 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1425 module_param_named(power_save
, iwlwifi_mod_params
.power_save
,
1427 MODULE_PARM_DESC(power_save
,
1428 "enable WiFi power management (default: disable)");
1430 module_param_named(power_level
, iwlwifi_mod_params
.power_level
,
1432 MODULE_PARM_DESC(power_level
,
1433 "default power save level (range from 1 - 5, default: 1)");
1435 module_param_named(fw_monitor
, iwlwifi_mod_params
.fw_monitor
, bool, S_IRUGO
);
1436 MODULE_PARM_DESC(fw_monitor
,
1437 "firmware monitor - to debug FW (default: false - needs lots of memory)");