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 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
11 * Copyright(c) 2018 - 2019 Intel Corporation
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of version 2 of the GNU General Public License as
15 * published by the Free Software Foundation.
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
22 * The full GNU General Public License is included in this distribution
23 * in the file called COPYING.
25 * Contact Information:
26 * Intel Linux Wireless <linuxwifi@intel.com>
27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
34 * Copyright(c) 2018 - 2019 Intel Corporation
35 * All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
41 * * Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * * Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in
45 * the documentation and/or other materials provided with the
47 * * Neither the name Intel Corporation nor the names of its
48 * contributors may be used to endorse or promote products derived
49 * from this software without specific prior written permission.
51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *****************************************************************************/
64 #include <linux/completion.h>
65 #include <linux/dma-mapping.h>
66 #include <linux/firmware.h>
67 #include <linux/module.h>
68 #include <linux/vmalloc.h>
72 #include "iwl-debug.h"
73 #include "iwl-trans.h"
74 #include "iwl-op-mode.h"
75 #include "iwl-agn-hw.h"
77 #include "iwl-dbg-tlv.h"
78 #include "iwl-config.h"
79 #include "iwl-modparams.h"
80 #include "fw/api/alive.h"
82 /******************************************************************************
86 ******************************************************************************/
88 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
89 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
90 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
91 MODULE_LICENSE("GPL");
93 #ifdef CONFIG_IWLWIFI_DEBUGFS
94 static struct dentry
*iwl_dbgfs_root
;
98 * struct iwl_drv - drv common data
99 * @list: list of drv structures using this opmode
100 * @fw: the iwl_fw structure
101 * @op_mode: the running op_mode
102 * @trans: transport layer
103 * @dev: for debug prints only
104 * @fw_index: firmware revision to try loading
105 * @firmware_name: composite filename of ucode file to load
106 * @request_firmware_complete: the firmware has been obtained from user space
109 struct list_head list
;
112 struct iwl_op_mode
*op_mode
;
113 struct iwl_trans
*trans
;
116 int fw_index
; /* firmware we're trying to load */
117 char firmware_name
[64]; /* name of firmware file to load */
119 struct completion request_firmware_complete
;
121 #ifdef CONFIG_IWLWIFI_DEBUGFS
122 struct dentry
*dbgfs_drv
;
123 struct dentry
*dbgfs_trans
;
124 struct dentry
*dbgfs_op_mode
;
133 /* Protects the table contents, i.e. the ops pointer & drv list */
134 static struct mutex iwlwifi_opmode_table_mtx
;
135 static struct iwlwifi_opmode_table
{
136 const char *name
; /* name: iwldvm, iwlmvm, etc */
137 const struct iwl_op_mode_ops
*ops
; /* pointer to op_mode ops */
138 struct list_head drv
; /* list of devices using this op_mode */
139 } iwlwifi_opmode_table
[] = { /* ops set when driver is initialized */
140 [DVM_OP_MODE
] = { .name
= "iwldvm", .ops
= NULL
},
141 [MVM_OP_MODE
] = { .name
= "iwlmvm", .ops
= NULL
},
144 #define IWL_DEFAULT_SCAN_CHANNELS 40
147 * struct fw_sec: Just for the image parsing process.
148 * For the fw storage we are using struct fw_desc.
151 const void *data
; /* the sec data */
152 size_t size
; /* section size */
153 u32 offset
; /* offset of writing in the device */
156 static void iwl_free_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
)
163 static void iwl_free_fw_img(struct iwl_drv
*drv
, struct fw_img
*img
)
166 for (i
= 0; i
< img
->num_sec
; i
++)
167 iwl_free_fw_desc(drv
, &img
->sec
[i
]);
171 static void iwl_dealloc_ucode(struct iwl_drv
*drv
)
175 kfree(drv
->fw
.dbg
.dest_tlv
);
176 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg
.conf_tlv
); i
++)
177 kfree(drv
->fw
.dbg
.conf_tlv
[i
]);
178 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg
.trigger_tlv
); i
++)
179 kfree(drv
->fw
.dbg
.trigger_tlv
[i
]);
180 kfree(drv
->fw
.dbg
.mem_tlv
);
182 kfree(drv
->fw
.ucode_capa
.cmd_versions
);
184 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
185 iwl_free_fw_img(drv
, drv
->fw
.img
+ i
);
188 static int iwl_alloc_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
,
195 if (!sec
|| !sec
->size
)
198 data
= vmalloc(sec
->size
);
202 desc
->len
= sec
->size
;
203 desc
->offset
= sec
->offset
;
204 memcpy(data
, sec
->data
, desc
->len
);
210 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
,
213 static int iwl_request_firmware(struct iwl_drv
*drv
, bool first
)
215 const struct iwl_cfg
*cfg
= drv
->trans
->cfg
;
218 if (drv
->trans
->cfg
->device_family
== IWL_DEVICE_FAMILY_9000
&&
219 (CSR_HW_REV_STEP(drv
->trans
->hw_rev
) != SILICON_B_STEP
&&
220 CSR_HW_REV_STEP(drv
->trans
->hw_rev
) != SILICON_C_STEP
)) {
222 "Only HW steps B and C are currently supported (0x%0x)\n",
228 drv
->fw_index
= cfg
->ucode_api_max
;
229 sprintf(tag
, "%d", drv
->fw_index
);
232 sprintf(tag
, "%d", drv
->fw_index
);
235 if (drv
->fw_index
< cfg
->ucode_api_min
) {
236 IWL_ERR(drv
, "no suitable firmware found!\n");
238 if (cfg
->ucode_api_min
== cfg
->ucode_api_max
) {
239 IWL_ERR(drv
, "%s%d is required\n", cfg
->fw_name_pre
,
242 IWL_ERR(drv
, "minimum version required: %s%d\n",
243 cfg
->fw_name_pre
, cfg
->ucode_api_min
);
244 IWL_ERR(drv
, "maximum version supported: %s%d\n",
245 cfg
->fw_name_pre
, cfg
->ucode_api_max
);
249 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
253 snprintf(drv
->firmware_name
, sizeof(drv
->firmware_name
), "%s%s.ucode",
254 cfg
->fw_name_pre
, tag
);
256 IWL_DEBUG_FW_INFO(drv
, "attempting to load firmware '%s'\n",
259 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
261 GFP_KERNEL
, drv
, iwl_req_fw_callback
);
264 struct fw_img_parsing
{
270 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
272 struct fw_sec_parsing
{
278 * struct iwl_tlv_calib_data - parse the default calib data from TLV
280 * @ucode_type: the uCode to which the following default calib relates.
281 * @calib: default calibrations.
283 struct iwl_tlv_calib_data
{
285 struct iwl_tlv_calib_ctrl calib
;
288 struct iwl_firmware_pieces
{
289 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
291 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
292 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
294 /* FW debug data parsed for driver usage */
295 bool dbg_dest_tlv_init
;
298 struct iwl_fw_dbg_dest_tlv
*dbg_dest_tlv
;
299 struct iwl_fw_dbg_dest_tlv_v1
*dbg_dest_tlv_v1
;
301 struct iwl_fw_dbg_conf_tlv
*dbg_conf_tlv
[FW_DBG_CONF_MAX
];
302 size_t dbg_conf_tlv_len
[FW_DBG_CONF_MAX
];
303 struct iwl_fw_dbg_trigger_tlv
*dbg_trigger_tlv
[FW_DBG_TRIGGER_MAX
];
304 size_t dbg_trigger_tlv_len
[FW_DBG_TRIGGER_MAX
];
305 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem_tlv
;
310 * These functions are just to extract uCode section data from the pieces
313 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
314 enum iwl_ucode_type type
,
317 return &pieces
->img
[type
].sec
[sec
];
320 static void alloc_sec_data(struct iwl_firmware_pieces
*pieces
,
321 enum iwl_ucode_type type
,
324 struct fw_img_parsing
*img
= &pieces
->img
[type
];
325 struct fw_sec
*sec_memory
;
327 size_t alloc_size
= sizeof(*img
->sec
) * size
;
329 if (img
->sec
&& img
->sec_counter
>= size
)
332 sec_memory
= krealloc(img
->sec
, alloc_size
, GFP_KERNEL
);
336 img
->sec
= sec_memory
;
337 img
->sec_counter
= size
;
340 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
341 enum iwl_ucode_type type
,
345 alloc_sec_data(pieces
, type
, sec
);
347 pieces
->img
[type
].sec
[sec
].data
= data
;
350 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
351 enum iwl_ucode_type type
,
355 alloc_sec_data(pieces
, type
, sec
);
357 pieces
->img
[type
].sec
[sec
].size
= size
;
360 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
361 enum iwl_ucode_type type
,
364 return pieces
->img
[type
].sec
[sec
].size
;
367 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
368 enum iwl_ucode_type type
,
372 alloc_sec_data(pieces
, type
, sec
);
374 pieces
->img
[type
].sec
[sec
].offset
= offset
;
377 static int iwl_store_cscheme(struct iwl_fw
*fw
, const u8
*data
, const u32 len
)
380 struct iwl_fw_cscheme_list
*l
= (struct iwl_fw_cscheme_list
*)data
;
381 struct iwl_fw_cipher_scheme
*fwcs
;
383 if (len
< sizeof(*l
) ||
384 len
< sizeof(l
->size
) + l
->size
* sizeof(l
->cs
[0]))
387 for (i
= 0, j
= 0; i
< IWL_UCODE_MAX_CS
&& i
< l
->size
; i
++) {
390 /* we skip schemes with zero cipher suite selector */
401 * Gets uCode section from tlv.
403 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
404 const void *data
, enum iwl_ucode_type type
,
407 struct fw_img_parsing
*img
;
409 struct fw_sec_parsing
*sec_parse
;
412 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
415 sec_parse
= (struct fw_sec_parsing
*)data
;
417 img
= &pieces
->img
[type
];
419 alloc_size
= sizeof(*img
->sec
) * (img
->sec_counter
+ 1);
420 sec
= krealloc(img
->sec
, alloc_size
, GFP_KERNEL
);
425 sec
= &img
->sec
[img
->sec_counter
];
427 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
428 sec
->data
= sec_parse
->data
;
429 sec
->size
= size
- sizeof(sec_parse
->offset
);
436 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
438 struct iwl_tlv_calib_data
*def_calib
=
439 (struct iwl_tlv_calib_data
*)data
;
440 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
441 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
442 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
446 drv
->fw
.default_calib
[ucode_type
].flow_trigger
=
447 def_calib
->calib
.flow_trigger
;
448 drv
->fw
.default_calib
[ucode_type
].event_trigger
=
449 def_calib
->calib
.event_trigger
;
454 static void iwl_set_ucode_api_flags(struct iwl_drv
*drv
, const u8
*data
,
455 struct iwl_ucode_capabilities
*capa
)
457 const struct iwl_ucode_api
*ucode_api
= (void *)data
;
458 u32 api_index
= le32_to_cpu(ucode_api
->api_index
);
459 u32 api_flags
= le32_to_cpu(ucode_api
->api_flags
);
462 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API
, 32)) {
464 "api flags index %d larger than supported by driver\n",
469 for (i
= 0; i
< 32; i
++) {
470 if (api_flags
& BIT(i
))
471 __set_bit(i
+ 32 * api_index
, capa
->_api
);
475 static void iwl_set_ucode_capabilities(struct iwl_drv
*drv
, const u8
*data
,
476 struct iwl_ucode_capabilities
*capa
)
478 const struct iwl_ucode_capa
*ucode_capa
= (void *)data
;
479 u32 api_index
= le32_to_cpu(ucode_capa
->api_index
);
480 u32 api_flags
= le32_to_cpu(ucode_capa
->api_capa
);
483 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA
, 32)) {
485 "capa flags index %d larger than supported by driver\n",
490 for (i
= 0; i
< 32; i
++) {
491 if (api_flags
& BIT(i
))
492 __set_bit(i
+ 32 * api_index
, capa
->_capa
);
496 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
497 const struct firmware
*ucode_raw
,
498 struct iwl_firmware_pieces
*pieces
)
500 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
501 u32 api_ver
, hdr_size
, build
;
505 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
506 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
511 if (ucode_raw
->size
< hdr_size
) {
512 IWL_ERR(drv
, "File size too small!\n");
515 build
= le32_to_cpu(ucode
->u
.v2
.build
);
516 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
517 le32_to_cpu(ucode
->u
.v2
.inst_size
));
518 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
519 le32_to_cpu(ucode
->u
.v2
.data_size
));
520 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
521 le32_to_cpu(ucode
->u
.v2
.init_size
));
522 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
523 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
524 src
= ucode
->u
.v2
.data
;
530 if (ucode_raw
->size
< hdr_size
) {
531 IWL_ERR(drv
, "File size too small!\n");
535 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
536 le32_to_cpu(ucode
->u
.v1
.inst_size
));
537 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
538 le32_to_cpu(ucode
->u
.v1
.data_size
));
539 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
540 le32_to_cpu(ucode
->u
.v1
.init_size
));
541 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
542 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
543 src
= ucode
->u
.v1
.data
;
548 sprintf(buildstr
, " build %u", build
);
552 snprintf(drv
->fw
.fw_version
,
553 sizeof(drv
->fw
.fw_version
),
555 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
556 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
557 IWL_UCODE_API(drv
->fw
.ucode_ver
),
558 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
561 /* Verify size of file vs. image size info in file's header */
563 if (ucode_raw
->size
!= hdr_size
+
564 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
565 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
566 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
567 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
570 "uCode file size %d does not match expected size\n",
571 (int)ucode_raw
->size
);
576 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
577 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
578 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
579 IWLAGN_RTC_INST_LOWER_BOUND
);
580 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
581 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
582 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
583 IWLAGN_RTC_DATA_LOWER_BOUND
);
584 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
585 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
586 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
587 IWLAGN_RTC_INST_LOWER_BOUND
);
588 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
589 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
590 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
591 IWLAGN_RTC_DATA_LOWER_BOUND
);
595 #define FW_ADDR_CACHE_CONTROL 0xC0000000
597 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
598 const struct firmware
*ucode_raw
,
599 struct iwl_firmware_pieces
*pieces
,
600 struct iwl_ucode_capabilities
*capa
,
601 bool *usniffer_images
)
603 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
604 struct iwl_ucode_tlv
*tlv
;
605 size_t len
= ucode_raw
->size
;
609 enum iwl_ucode_tlv_type tlv_type
;
612 u32 build
, paging_mem_size
;
614 bool usniffer_req
= false;
616 if (len
< sizeof(*ucode
)) {
617 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
621 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
622 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
623 le32_to_cpu(ucode
->magic
));
627 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
628 memcpy(drv
->fw
.human_readable
, ucode
->human_readable
,
629 sizeof(drv
->fw
.human_readable
));
630 build
= le32_to_cpu(ucode
->build
);
633 sprintf(buildstr
, " build %u", build
);
637 snprintf(drv
->fw
.fw_version
,
638 sizeof(drv
->fw
.fw_version
),
640 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
641 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
642 IWL_UCODE_API(drv
->fw
.ucode_ver
),
643 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
648 len
-= sizeof(*ucode
);
650 if (iwlwifi_mod_params
.enable_ini
)
651 iwl_alloc_dbg_tlv(drv
->trans
, len
, data
, false);
653 while (len
>= sizeof(*tlv
)) {
657 tlv_len
= le32_to_cpu(tlv
->length
);
658 tlv_type
= le32_to_cpu(tlv
->type
);
659 tlv_data
= tlv
->data
;
662 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
666 len
-= ALIGN(tlv_len
, 4);
667 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
670 case IWL_UCODE_TLV_INST
:
671 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
672 IWL_UCODE_SECTION_INST
, tlv_data
);
673 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
674 IWL_UCODE_SECTION_INST
, tlv_len
);
675 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
676 IWL_UCODE_SECTION_INST
,
677 IWLAGN_RTC_INST_LOWER_BOUND
);
679 case IWL_UCODE_TLV_DATA
:
680 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
681 IWL_UCODE_SECTION_DATA
, tlv_data
);
682 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
683 IWL_UCODE_SECTION_DATA
, tlv_len
);
684 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
685 IWL_UCODE_SECTION_DATA
,
686 IWLAGN_RTC_DATA_LOWER_BOUND
);
688 case IWL_UCODE_TLV_INIT
:
689 set_sec_data(pieces
, IWL_UCODE_INIT
,
690 IWL_UCODE_SECTION_INST
, tlv_data
);
691 set_sec_size(pieces
, IWL_UCODE_INIT
,
692 IWL_UCODE_SECTION_INST
, tlv_len
);
693 set_sec_offset(pieces
, IWL_UCODE_INIT
,
694 IWL_UCODE_SECTION_INST
,
695 IWLAGN_RTC_INST_LOWER_BOUND
);
697 case IWL_UCODE_TLV_INIT_DATA
:
698 set_sec_data(pieces
, IWL_UCODE_INIT
,
699 IWL_UCODE_SECTION_DATA
, tlv_data
);
700 set_sec_size(pieces
, IWL_UCODE_INIT
,
701 IWL_UCODE_SECTION_DATA
, tlv_len
);
702 set_sec_offset(pieces
, IWL_UCODE_INIT
,
703 IWL_UCODE_SECTION_DATA
,
704 IWLAGN_RTC_DATA_LOWER_BOUND
);
706 case IWL_UCODE_TLV_BOOT
:
707 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
709 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
710 if (tlv_len
!= sizeof(u32
))
711 goto invalid_tlv_len
;
712 capa
->max_probe_length
=
713 le32_to_cpup((__le32
*)tlv_data
);
715 case IWL_UCODE_TLV_PAN
:
717 goto invalid_tlv_len
;
718 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
720 case IWL_UCODE_TLV_FLAGS
:
721 /* must be at least one u32 */
722 if (tlv_len
< sizeof(u32
))
723 goto invalid_tlv_len
;
724 /* and a proper number of u32s */
725 if (tlv_len
% sizeof(u32
))
726 goto invalid_tlv_len
;
728 * This driver only reads the first u32 as
729 * right now no more features are defined,
730 * if that changes then either the driver
731 * will not work with the new firmware, or
732 * it'll not take advantage of new features.
734 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
736 case IWL_UCODE_TLV_API_CHANGES_SET
:
737 if (tlv_len
!= sizeof(struct iwl_ucode_api
))
738 goto invalid_tlv_len
;
739 iwl_set_ucode_api_flags(drv
, tlv_data
, capa
);
741 case IWL_UCODE_TLV_ENABLED_CAPABILITIES
:
742 if (tlv_len
!= sizeof(struct iwl_ucode_capa
))
743 goto invalid_tlv_len
;
744 iwl_set_ucode_capabilities(drv
, tlv_data
, capa
);
746 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
747 if (tlv_len
!= sizeof(u32
))
748 goto invalid_tlv_len
;
749 pieces
->init_evtlog_ptr
=
750 le32_to_cpup((__le32
*)tlv_data
);
752 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
753 if (tlv_len
!= sizeof(u32
))
754 goto invalid_tlv_len
;
755 pieces
->init_evtlog_size
=
756 le32_to_cpup((__le32
*)tlv_data
);
758 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
759 if (tlv_len
!= sizeof(u32
))
760 goto invalid_tlv_len
;
761 pieces
->init_errlog_ptr
=
762 le32_to_cpup((__le32
*)tlv_data
);
764 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
765 if (tlv_len
!= sizeof(u32
))
766 goto invalid_tlv_len
;
767 pieces
->inst_evtlog_ptr
=
768 le32_to_cpup((__le32
*)tlv_data
);
770 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
771 if (tlv_len
!= sizeof(u32
))
772 goto invalid_tlv_len
;
773 pieces
->inst_evtlog_size
=
774 le32_to_cpup((__le32
*)tlv_data
);
776 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
777 if (tlv_len
!= sizeof(u32
))
778 goto invalid_tlv_len
;
779 pieces
->inst_errlog_ptr
=
780 le32_to_cpup((__le32
*)tlv_data
);
782 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
784 goto invalid_tlv_len
;
785 drv
->fw
.enhance_sensitivity_table
= true;
787 case IWL_UCODE_TLV_WOWLAN_INST
:
788 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
789 IWL_UCODE_SECTION_INST
, tlv_data
);
790 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
791 IWL_UCODE_SECTION_INST
, tlv_len
);
792 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
793 IWL_UCODE_SECTION_INST
,
794 IWLAGN_RTC_INST_LOWER_BOUND
);
796 case IWL_UCODE_TLV_WOWLAN_DATA
:
797 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
798 IWL_UCODE_SECTION_DATA
, tlv_data
);
799 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
800 IWL_UCODE_SECTION_DATA
, tlv_len
);
801 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
802 IWL_UCODE_SECTION_DATA
,
803 IWLAGN_RTC_DATA_LOWER_BOUND
);
805 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
806 if (tlv_len
!= sizeof(u32
))
807 goto invalid_tlv_len
;
808 capa
->standard_phy_calibration_size
=
809 le32_to_cpup((__le32
*)tlv_data
);
811 case IWL_UCODE_TLV_SEC_RT
:
812 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
814 drv
->fw
.type
= IWL_FW_MVM
;
816 case IWL_UCODE_TLV_SEC_INIT
:
817 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
819 drv
->fw
.type
= IWL_FW_MVM
;
821 case IWL_UCODE_TLV_SEC_WOWLAN
:
822 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
824 drv
->fw
.type
= IWL_FW_MVM
;
826 case IWL_UCODE_TLV_DEF_CALIB
:
827 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
828 goto invalid_tlv_len
;
829 if (iwl_set_default_calib(drv
, tlv_data
))
832 case IWL_UCODE_TLV_PHY_SKU
:
833 if (tlv_len
!= sizeof(u32
))
834 goto invalid_tlv_len
;
835 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
836 drv
->fw
.valid_tx_ant
= (drv
->fw
.phy_config
&
837 FW_PHY_CFG_TX_CHAIN
) >>
838 FW_PHY_CFG_TX_CHAIN_POS
;
839 drv
->fw
.valid_rx_ant
= (drv
->fw
.phy_config
&
840 FW_PHY_CFG_RX_CHAIN
) >>
841 FW_PHY_CFG_RX_CHAIN_POS
;
843 case IWL_UCODE_TLV_SECURE_SEC_RT
:
844 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
846 drv
->fw
.type
= IWL_FW_MVM
;
848 case IWL_UCODE_TLV_SECURE_SEC_INIT
:
849 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
851 drv
->fw
.type
= IWL_FW_MVM
;
853 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN
:
854 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
856 drv
->fw
.type
= IWL_FW_MVM
;
858 case IWL_UCODE_TLV_NUM_OF_CPU
:
859 if (tlv_len
!= sizeof(u32
))
860 goto invalid_tlv_len
;
862 le32_to_cpup((__le32
*)tlv_data
);
864 if (num_of_cpus
== 2) {
865 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_dual_cpus
=
867 drv
->fw
.img
[IWL_UCODE_INIT
].is_dual_cpus
=
869 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_dual_cpus
=
871 } else if ((num_of_cpus
> 2) || (num_of_cpus
< 1)) {
872 IWL_ERR(drv
, "Driver support upto 2 CPUs\n");
876 case IWL_UCODE_TLV_CSCHEME
:
877 if (iwl_store_cscheme(&drv
->fw
, tlv_data
, tlv_len
))
878 goto invalid_tlv_len
;
880 case IWL_UCODE_TLV_N_SCAN_CHANNELS
:
881 if (tlv_len
!= sizeof(u32
))
882 goto invalid_tlv_len
;
883 capa
->n_scan_channels
=
884 le32_to_cpup((__le32
*)tlv_data
);
886 case IWL_UCODE_TLV_FW_VERSION
: {
887 __le32
*ptr
= (void *)tlv_data
;
891 if (tlv_len
!= sizeof(u32
) * 3)
892 goto invalid_tlv_len
;
894 major
= le32_to_cpup(ptr
++);
895 minor
= le32_to_cpup(ptr
++);
896 local_comp
= le32_to_cpup(ptr
);
899 snprintf(drv
->fw
.fw_version
,
900 sizeof(drv
->fw
.fw_version
),
901 "%u.%08x.%u", major
, minor
, local_comp
);
903 snprintf(drv
->fw
.fw_version
,
904 sizeof(drv
->fw
.fw_version
),
905 "%u.%u.%u", major
, minor
, local_comp
);
908 case IWL_UCODE_TLV_FW_DBG_DEST
: {
909 struct iwl_fw_dbg_dest_tlv
*dest
= NULL
;
910 struct iwl_fw_dbg_dest_tlv_v1
*dest_v1
= NULL
;
913 pieces
->dbg_dest_ver
= (u8
*)tlv_data
;
914 if (*pieces
->dbg_dest_ver
== 1) {
915 dest
= (void *)tlv_data
;
916 } else if (*pieces
->dbg_dest_ver
== 0) {
917 dest_v1
= (void *)tlv_data
;
920 "The version is %d, and it is invalid\n",
921 *pieces
->dbg_dest_ver
);
925 if (pieces
->dbg_dest_tlv_init
) {
927 "dbg destination ignored, already exists\n");
931 pieces
->dbg_dest_tlv_init
= true;
934 pieces
->dbg_dest_tlv_v1
= dest_v1
;
935 mon_mode
= dest_v1
->monitor_mode
;
937 pieces
->dbg_dest_tlv
= dest
;
938 mon_mode
= dest
->monitor_mode
;
941 IWL_INFO(drv
, "Found debug destination: %s\n",
942 get_fw_dbg_mode_string(mon_mode
));
944 drv
->fw
.dbg
.n_dest_reg
= (dest_v1
) ?
946 offsetof(struct iwl_fw_dbg_dest_tlv_v1
,
949 offsetof(struct iwl_fw_dbg_dest_tlv
,
952 drv
->fw
.dbg
.n_dest_reg
/=
953 sizeof(drv
->fw
.dbg
.dest_tlv
->reg_ops
[0]);
957 case IWL_UCODE_TLV_FW_DBG_CONF
: {
958 struct iwl_fw_dbg_conf_tlv
*conf
= (void *)tlv_data
;
960 if (!pieces
->dbg_dest_tlv_init
) {
962 "Ignore dbg config %d - no destination configured\n",
967 if (conf
->id
>= ARRAY_SIZE(drv
->fw
.dbg
.conf_tlv
)) {
969 "Skip unknown configuration: %d\n",
974 if (pieces
->dbg_conf_tlv
[conf
->id
]) {
976 "Ignore duplicate dbg config %d\n",
984 IWL_INFO(drv
, "Found debug configuration: %d\n",
987 pieces
->dbg_conf_tlv
[conf
->id
] = conf
;
988 pieces
->dbg_conf_tlv_len
[conf
->id
] = tlv_len
;
991 case IWL_UCODE_TLV_FW_DBG_TRIGGER
: {
992 struct iwl_fw_dbg_trigger_tlv
*trigger
=
994 u32 trigger_id
= le32_to_cpu(trigger
->id
);
996 if (trigger_id
>= ARRAY_SIZE(drv
->fw
.dbg
.trigger_tlv
)) {
998 "Skip unknown trigger: %u\n",
1003 if (pieces
->dbg_trigger_tlv
[trigger_id
]) {
1005 "Ignore duplicate dbg trigger %u\n",
1010 IWL_INFO(drv
, "Found debug trigger: %u\n", trigger
->id
);
1012 pieces
->dbg_trigger_tlv
[trigger_id
] = trigger
;
1013 pieces
->dbg_trigger_tlv_len
[trigger_id
] = tlv_len
;
1016 case IWL_UCODE_TLV_FW_DBG_DUMP_LST
: {
1017 if (tlv_len
!= sizeof(u32
)) {
1019 "dbg lst mask size incorrect, skip\n");
1023 drv
->fw
.dbg
.dump_mask
=
1024 le32_to_cpup((__le32
*)tlv_data
);
1027 case IWL_UCODE_TLV_SEC_RT_USNIFFER
:
1028 *usniffer_images
= true;
1029 iwl_store_ucode_sec(pieces
, tlv_data
,
1030 IWL_UCODE_REGULAR_USNIFFER
,
1033 case IWL_UCODE_TLV_PAGING
:
1034 if (tlv_len
!= sizeof(u32
))
1035 goto invalid_tlv_len
;
1036 paging_mem_size
= le32_to_cpup((__le32
*)tlv_data
);
1039 "Paging: paging enabled (size = %u bytes)\n",
1042 if (paging_mem_size
> MAX_PAGING_IMAGE_SIZE
) {
1044 "Paging: driver supports up to %lu bytes for paging image\n",
1045 MAX_PAGING_IMAGE_SIZE
);
1049 if (paging_mem_size
& (FW_PAGING_SIZE
- 1)) {
1051 "Paging: image isn't multiple %lu\n",
1056 drv
->fw
.img
[IWL_UCODE_REGULAR
].paging_mem_size
=
1058 usniffer_img
= IWL_UCODE_REGULAR_USNIFFER
;
1059 drv
->fw
.img
[usniffer_img
].paging_mem_size
=
1062 case IWL_UCODE_TLV_FW_GSCAN_CAPA
:
1065 case IWL_UCODE_TLV_FW_MEM_SEG
: {
1066 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem
=
1069 struct iwl_fw_dbg_mem_seg_tlv
*n
;
1071 if (tlv_len
!= (sizeof(*dbg_mem
)))
1072 goto invalid_tlv_len
;
1074 IWL_DEBUG_INFO(drv
, "Found debug memory segment: %u\n",
1075 dbg_mem
->data_type
);
1077 size
= sizeof(*pieces
->dbg_mem_tlv
) *
1078 (pieces
->n_mem_tlv
+ 1);
1079 n
= krealloc(pieces
->dbg_mem_tlv
, size
, GFP_KERNEL
);
1082 pieces
->dbg_mem_tlv
= n
;
1083 pieces
->dbg_mem_tlv
[pieces
->n_mem_tlv
] = *dbg_mem
;
1084 pieces
->n_mem_tlv
++;
1087 case IWL_UCODE_TLV_IML
: {
1088 drv
->fw
.iml_len
= tlv_len
;
1089 drv
->fw
.iml
= kmemdup(tlv_data
, tlv_len
, GFP_KERNEL
);
1094 case IWL_UCODE_TLV_FW_RECOVERY_INFO
: {
1098 } *recov_info
= (void *)tlv_data
;
1100 if (tlv_len
!= sizeof(*recov_info
))
1101 goto invalid_tlv_len
;
1102 capa
->error_log_addr
=
1103 le32_to_cpu(recov_info
->buf_addr
);
1104 capa
->error_log_size
=
1105 le32_to_cpu(recov_info
->buf_size
);
1108 case IWL_UCODE_TLV_FW_FSEQ_VERSION
: {
1112 } *fseq_ver
= (void *)tlv_data
;
1114 if (tlv_len
!= sizeof(*fseq_ver
))
1115 goto invalid_tlv_len
;
1116 IWL_INFO(drv
, "TLV_FW_FSEQ_VERSION: %s\n",
1120 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS
: {
1121 struct iwl_umac_debug_addrs
*dbg_ptrs
=
1124 if (tlv_len
!= sizeof(*dbg_ptrs
))
1125 goto invalid_tlv_len
;
1126 if (drv
->trans
->cfg
->device_family
<
1127 IWL_DEVICE_FAMILY_22000
)
1129 drv
->trans
->dbg
.umac_error_event_table
=
1130 le32_to_cpu(dbg_ptrs
->error_info_addr
) &
1131 ~FW_ADDR_CACHE_CONTROL
;
1132 drv
->trans
->dbg
.error_event_table_tlv_status
|=
1133 IWL_ERROR_EVENT_TABLE_UMAC
;
1136 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS
: {
1137 struct iwl_lmac_debug_addrs
*dbg_ptrs
=
1140 if (tlv_len
!= sizeof(*dbg_ptrs
))
1141 goto invalid_tlv_len
;
1142 if (drv
->trans
->cfg
->device_family
<
1143 IWL_DEVICE_FAMILY_22000
)
1145 drv
->trans
->dbg
.lmac_error_event_table
[0] =
1146 le32_to_cpu(dbg_ptrs
->error_event_table_ptr
) &
1147 ~FW_ADDR_CACHE_CONTROL
;
1148 drv
->trans
->dbg
.error_event_table_tlv_status
|=
1149 IWL_ERROR_EVENT_TABLE_LMAC1
;
1152 case IWL_UCODE_TLV_TYPE_DEBUG_INFO
:
1153 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION
:
1154 case IWL_UCODE_TLV_TYPE_HCMD
:
1155 case IWL_UCODE_TLV_TYPE_REGIONS
:
1156 case IWL_UCODE_TLV_TYPE_TRIGGERS
:
1157 case IWL_UCODE_TLV_TYPE_DEBUG_FLOW
:
1158 if (iwlwifi_mod_params
.enable_ini
)
1159 iwl_fw_dbg_copy_tlv(drv
->trans
, tlv
, false);
1161 case IWL_UCODE_TLV_CMD_VERSIONS
:
1162 if (tlv_len
% sizeof(struct iwl_fw_cmd_version
)) {
1164 "Invalid length for command versions: %u\n",
1166 tlv_len
/= sizeof(struct iwl_fw_cmd_version
);
1167 tlv_len
*= sizeof(struct iwl_fw_cmd_version
);
1169 if (WARN_ON(capa
->cmd_versions
))
1171 capa
->cmd_versions
= kmemdup(tlv_data
, tlv_len
,
1173 if (!capa
->cmd_versions
)
1175 capa
->n_cmd_versions
=
1176 tlv_len
/ sizeof(struct iwl_fw_cmd_version
);
1179 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
1184 if (!fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED
) &&
1185 usniffer_req
&& !*usniffer_images
) {
1187 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1192 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
1193 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
1200 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
1202 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
1207 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
1208 struct iwl_firmware_pieces
*pieces
,
1209 enum iwl_ucode_type type
)
1212 struct fw_desc
*sec
;
1214 sec
= kcalloc(pieces
->img
[type
].sec_counter
, sizeof(*sec
), GFP_KERNEL
);
1217 drv
->fw
.img
[type
].sec
= sec
;
1218 drv
->fw
.img
[type
].num_sec
= pieces
->img
[type
].sec_counter
;
1220 for (i
= 0; i
< pieces
->img
[type
].sec_counter
; i
++)
1221 if (iwl_alloc_fw_desc(drv
, &sec
[i
], get_sec(pieces
, type
, i
)))
1227 static int validate_sec_sizes(struct iwl_drv
*drv
,
1228 struct iwl_firmware_pieces
*pieces
,
1229 const struct iwl_cfg
*cfg
)
1231 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %zd\n",
1232 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1233 IWL_UCODE_SECTION_INST
));
1234 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %zd\n",
1235 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1236 IWL_UCODE_SECTION_DATA
));
1237 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %zd\n",
1238 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
1239 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %zd\n",
1240 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
1242 /* Verify that uCode images will fit in card's SRAM. */
1243 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
1244 cfg
->max_inst_size
) {
1245 IWL_ERR(drv
, "uCode instr len %zd too large to fit in\n",
1246 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1247 IWL_UCODE_SECTION_INST
));
1251 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
1252 cfg
->max_data_size
) {
1253 IWL_ERR(drv
, "uCode data len %zd too large to fit in\n",
1254 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1255 IWL_UCODE_SECTION_DATA
));
1259 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
1260 cfg
->max_inst_size
) {
1261 IWL_ERR(drv
, "uCode init instr len %zd too large to fit in\n",
1262 get_sec_size(pieces
, IWL_UCODE_INIT
,
1263 IWL_UCODE_SECTION_INST
));
1267 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
1268 cfg
->max_data_size
) {
1269 IWL_ERR(drv
, "uCode init data len %zd too large to fit in\n",
1270 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1271 IWL_UCODE_SECTION_DATA
));
1277 static struct iwl_op_mode
*
1278 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
1280 const struct iwl_op_mode_ops
*ops
= op
->ops
;
1281 struct dentry
*dbgfs_dir
= NULL
;
1282 struct iwl_op_mode
*op_mode
= NULL
;
1284 #ifdef CONFIG_IWLWIFI_DEBUGFS
1285 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
1287 dbgfs_dir
= drv
->dbgfs_op_mode
;
1290 op_mode
= ops
->start(drv
->trans
, drv
->trans
->cfg
, &drv
->fw
, dbgfs_dir
);
1292 #ifdef CONFIG_IWLWIFI_DEBUGFS
1294 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1295 drv
->dbgfs_op_mode
= NULL
;
1302 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
1304 /* op_mode can be NULL if its start failed */
1306 iwl_op_mode_stop(drv
->op_mode
);
1307 drv
->op_mode
= NULL
;
1309 #ifdef CONFIG_IWLWIFI_DEBUGFS
1310 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1311 drv
->dbgfs_op_mode
= NULL
;
1317 * iwl_req_fw_callback - callback when firmware was loaded
1319 * If loaded successfully, copies the firmware into buffers
1320 * for the card to fetch (via DMA).
1322 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
1324 struct iwl_drv
*drv
= context
;
1325 struct iwl_fw
*fw
= &drv
->fw
;
1326 struct iwl_ucode_header
*ucode
;
1327 struct iwlwifi_opmode_table
*op
;
1329 struct iwl_firmware_pieces
*pieces
;
1330 const unsigned int api_max
= drv
->trans
->cfg
->ucode_api_max
;
1331 const unsigned int api_min
= drv
->trans
->cfg
->ucode_api_min
;
1332 size_t trigger_tlv_sz
[FW_DBG_TRIGGER_MAX
];
1335 bool load_module
= false;
1336 bool usniffer_images
= false;
1338 fw
->ucode_capa
.max_probe_length
= IWL_DEFAULT_MAX_PROBE_LENGTH
;
1339 fw
->ucode_capa
.standard_phy_calibration_size
=
1340 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1341 fw
->ucode_capa
.n_scan_channels
= IWL_DEFAULT_SCAN_CHANNELS
;
1342 /* dump all fw memory areas by default */
1343 fw
->dbg
.dump_mask
= 0xffffffff;
1345 pieces
= kzalloc(sizeof(*pieces
), GFP_KERNEL
);
1352 IWL_DEBUG_FW_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
1353 drv
->firmware_name
, ucode_raw
->size
);
1355 /* Make sure that we got at least the API version number */
1356 if (ucode_raw
->size
< 4) {
1357 IWL_ERR(drv
, "File size way too small!\n");
1361 /* Data from ucode file: header followed by uCode images */
1362 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
1365 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, pieces
);
1367 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, pieces
,
1368 &fw
->ucode_capa
, &usniffer_images
);
1373 if (fw_has_api(&drv
->fw
.ucode_capa
, IWL_UCODE_TLV_API_NEW_VERSION
))
1374 api_ver
= drv
->fw
.ucode_ver
;
1376 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
1379 * api_ver should match the api version forming part of the
1380 * firmware filename ... but we don't check for that and only rely
1381 * on the API version read from firmware header from here on forward
1383 if (api_ver
< api_min
|| api_ver
> api_max
) {
1385 "Driver unable to support your firmware API. "
1386 "Driver supports v%u, firmware is v%u.\n",
1392 * In mvm uCode there is no difference between data and instructions
1395 if (fw
->type
== IWL_FW_DVM
&& validate_sec_sizes(drv
, pieces
,
1399 /* Allocate ucode buffers for card's bus-master loading ... */
1401 /* Runtime instructions and 2 copies of data:
1402 * 1) unmodified from disk
1403 * 2) backup cache for save/restore during power-downs
1405 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
1406 if (iwl_alloc_ucode(drv
, pieces
, i
))
1409 if (pieces
->dbg_dest_tlv_init
) {
1410 size_t dbg_dest_size
= sizeof(*drv
->fw
.dbg
.dest_tlv
) +
1411 sizeof(drv
->fw
.dbg
.dest_tlv
->reg_ops
[0]) *
1412 drv
->fw
.dbg
.n_dest_reg
;
1414 drv
->fw
.dbg
.dest_tlv
= kmalloc(dbg_dest_size
, GFP_KERNEL
);
1416 if (!drv
->fw
.dbg
.dest_tlv
)
1419 if (*pieces
->dbg_dest_ver
== 0) {
1420 memcpy(drv
->fw
.dbg
.dest_tlv
, pieces
->dbg_dest_tlv_v1
,
1423 struct iwl_fw_dbg_dest_tlv_v1
*dest_tlv
=
1424 drv
->fw
.dbg
.dest_tlv
;
1426 dest_tlv
->version
= pieces
->dbg_dest_tlv
->version
;
1427 dest_tlv
->monitor_mode
=
1428 pieces
->dbg_dest_tlv
->monitor_mode
;
1429 dest_tlv
->size_power
=
1430 pieces
->dbg_dest_tlv
->size_power
;
1431 dest_tlv
->wrap_count
=
1432 pieces
->dbg_dest_tlv
->wrap_count
;
1433 dest_tlv
->write_ptr_reg
=
1434 pieces
->dbg_dest_tlv
->write_ptr_reg
;
1435 dest_tlv
->base_shift
=
1436 pieces
->dbg_dest_tlv
->base_shift
;
1437 memcpy(dest_tlv
->reg_ops
,
1438 pieces
->dbg_dest_tlv
->reg_ops
,
1439 sizeof(drv
->fw
.dbg
.dest_tlv
->reg_ops
[0]) *
1440 drv
->fw
.dbg
.n_dest_reg
);
1442 /* In version 1 of the destination tlv, which is
1443 * relevant for internal buffer exclusively,
1444 * the base address is part of given with the length
1445 * of the buffer, and the size shift is give instead of
1446 * end shift. We now store these values in base_reg,
1447 * and end shift, and when dumping the data we'll
1448 * manipulate it for extracting both the length and
1450 dest_tlv
->base_reg
= pieces
->dbg_dest_tlv
->cfg_reg
;
1451 dest_tlv
->end_shift
=
1452 pieces
->dbg_dest_tlv
->size_shift
;
1456 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg
.conf_tlv
); i
++) {
1457 if (pieces
->dbg_conf_tlv
[i
]) {
1458 drv
->fw
.dbg
.conf_tlv
[i
] =
1459 kmemdup(pieces
->dbg_conf_tlv
[i
],
1460 pieces
->dbg_conf_tlv_len
[i
],
1462 if (!pieces
->dbg_conf_tlv_len
[i
])
1467 memset(&trigger_tlv_sz
, 0xff, sizeof(trigger_tlv_sz
));
1469 trigger_tlv_sz
[FW_DBG_TRIGGER_MISSED_BEACONS
] =
1470 sizeof(struct iwl_fw_dbg_trigger_missed_bcon
);
1471 trigger_tlv_sz
[FW_DBG_TRIGGER_CHANNEL_SWITCH
] = 0;
1472 trigger_tlv_sz
[FW_DBG_TRIGGER_FW_NOTIF
] =
1473 sizeof(struct iwl_fw_dbg_trigger_cmd
);
1474 trigger_tlv_sz
[FW_DBG_TRIGGER_MLME
] =
1475 sizeof(struct iwl_fw_dbg_trigger_mlme
);
1476 trigger_tlv_sz
[FW_DBG_TRIGGER_STATS
] =
1477 sizeof(struct iwl_fw_dbg_trigger_stats
);
1478 trigger_tlv_sz
[FW_DBG_TRIGGER_RSSI
] =
1479 sizeof(struct iwl_fw_dbg_trigger_low_rssi
);
1480 trigger_tlv_sz
[FW_DBG_TRIGGER_TXQ_TIMERS
] =
1481 sizeof(struct iwl_fw_dbg_trigger_txq_timer
);
1482 trigger_tlv_sz
[FW_DBG_TRIGGER_TIME_EVENT
] =
1483 sizeof(struct iwl_fw_dbg_trigger_time_event
);
1484 trigger_tlv_sz
[FW_DBG_TRIGGER_BA
] =
1485 sizeof(struct iwl_fw_dbg_trigger_ba
);
1486 trigger_tlv_sz
[FW_DBG_TRIGGER_TDLS
] =
1487 sizeof(struct iwl_fw_dbg_trigger_tdls
);
1489 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg
.trigger_tlv
); i
++) {
1490 if (pieces
->dbg_trigger_tlv
[i
]) {
1492 * If the trigger isn't long enough, WARN and exit.
1493 * Someone is trying to debug something and he won't
1494 * be able to catch the bug he is trying to chase.
1495 * We'd better be noisy to be sure he knows what's
1498 if (WARN_ON(pieces
->dbg_trigger_tlv_len
[i
] <
1499 (trigger_tlv_sz
[i
] +
1500 sizeof(struct iwl_fw_dbg_trigger_tlv
))))
1502 drv
->fw
.dbg
.trigger_tlv_len
[i
] =
1503 pieces
->dbg_trigger_tlv_len
[i
];
1504 drv
->fw
.dbg
.trigger_tlv
[i
] =
1505 kmemdup(pieces
->dbg_trigger_tlv
[i
],
1506 drv
->fw
.dbg
.trigger_tlv_len
[i
],
1508 if (!drv
->fw
.dbg
.trigger_tlv
[i
])
1513 /* Now that we can no longer fail, copy information */
1515 drv
->fw
.dbg
.mem_tlv
= pieces
->dbg_mem_tlv
;
1516 pieces
->dbg_mem_tlv
= NULL
;
1517 drv
->fw
.dbg
.n_mem_tlv
= pieces
->n_mem_tlv
;
1520 * The (size - 16) / 12 formula is based on the information recorded
1521 * for each event, which is of mode 1 (including timestamp) for all
1522 * new microcodes that include this information.
1524 fw
->init_evtlog_ptr
= pieces
->init_evtlog_ptr
;
1525 if (pieces
->init_evtlog_size
)
1526 fw
->init_evtlog_size
= (pieces
->init_evtlog_size
- 16)/12;
1528 fw
->init_evtlog_size
=
1529 drv
->trans
->cfg
->base_params
->max_event_log_size
;
1530 fw
->init_errlog_ptr
= pieces
->init_errlog_ptr
;
1531 fw
->inst_evtlog_ptr
= pieces
->inst_evtlog_ptr
;
1532 if (pieces
->inst_evtlog_size
)
1533 fw
->inst_evtlog_size
= (pieces
->inst_evtlog_size
- 16)/12;
1535 fw
->inst_evtlog_size
=
1536 drv
->trans
->cfg
->base_params
->max_event_log_size
;
1537 fw
->inst_errlog_ptr
= pieces
->inst_errlog_ptr
;
1540 * figure out the offset of chain noise reset and gain commands
1541 * base on the size of standard phy calibration commands table size
1543 if (fw
->ucode_capa
.standard_phy_calibration_size
>
1544 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1545 fw
->ucode_capa
.standard_phy_calibration_size
=
1546 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1548 /* We have our copies now, allow OS release its copies */
1549 release_firmware(ucode_raw
);
1551 mutex_lock(&iwlwifi_opmode_table_mtx
);
1554 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
1557 WARN(1, "Invalid fw type %d\n", fw
->type
);
1560 op
= &iwlwifi_opmode_table
[MVM_OP_MODE
];
1564 IWL_INFO(drv
, "loaded firmware version %s op_mode %s\n",
1565 drv
->fw
.fw_version
, op
->name
);
1567 /* add this device to the list of devices using this op_mode */
1568 list_add_tail(&drv
->list
, &op
->drv
);
1571 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1573 if (!drv
->op_mode
) {
1574 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1580 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1583 * Complete the firmware request last so that
1584 * a driver unbind (stop) doesn't run while we
1585 * are doing the start() above.
1587 complete(&drv
->request_firmware_complete
);
1590 * Load the module last so we don't block anything
1591 * else from proceeding if the module fails to load
1595 request_module("%s", op
->name
);
1596 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1599 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1606 /* try next, if any */
1607 release_firmware(ucode_raw
);
1608 if (iwl_request_firmware(drv
, false))
1613 release_firmware(ucode_raw
);
1615 complete(&drv
->request_firmware_complete
);
1616 device_release_driver(drv
->trans
->dev
);
1619 for (i
= 0; i
< ARRAY_SIZE(pieces
->img
); i
++)
1620 kfree(pieces
->img
[i
].sec
);
1621 kfree(pieces
->dbg_mem_tlv
);
1626 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
)
1628 struct iwl_drv
*drv
;
1631 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1638 drv
->dev
= trans
->dev
;
1640 init_completion(&drv
->request_firmware_complete
);
1641 INIT_LIST_HEAD(&drv
->list
);
1643 iwl_load_fw_dbg_tlv(drv
->trans
->dev
, drv
->trans
);
1645 #ifdef CONFIG_IWLWIFI_DEBUGFS
1646 /* Create the device debugfs entries. */
1647 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1650 /* Create transport layer debugfs dir */
1651 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1654 ret
= iwl_request_firmware(drv
, true);
1656 IWL_ERR(trans
, "Couldn't request the fw\n");
1663 #ifdef CONFIG_IWLWIFI_DEBUGFS
1664 debugfs_remove_recursive(drv
->dbgfs_drv
);
1666 iwl_fw_dbg_free(drv
->trans
);
1669 return ERR_PTR(ret
);
1672 void iwl_drv_stop(struct iwl_drv
*drv
)
1674 wait_for_completion(&drv
->request_firmware_complete
);
1676 _iwl_op_mode_stop(drv
);
1678 iwl_dealloc_ucode(drv
);
1680 mutex_lock(&iwlwifi_opmode_table_mtx
);
1682 * List is empty (this item wasn't added)
1683 * when firmware loading failed -- in that
1684 * case we can't remove it from any list.
1686 if (!list_empty(&drv
->list
))
1687 list_del(&drv
->list
);
1688 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1690 #ifdef CONFIG_IWLWIFI_DEBUGFS
1691 drv
->trans
->ops
->debugfs_cleanup(drv
->trans
);
1693 debugfs_remove_recursive(drv
->dbgfs_drv
);
1696 iwl_fw_dbg_free(drv
->trans
);
1702 /* shared module parameters */
1703 struct iwl_mod_params iwlwifi_mod_params
= {
1705 .bt_coex_active
= true,
1706 .power_level
= IWL_POWER_INDEX_1
,
1707 .d0i3_disable
= true,
1708 .d0i3_timeout
= 1000,
1709 .uapsd_disable
= IWL_DISABLE_UAPSD_BSS
| IWL_DISABLE_UAPSD_P2P_CLIENT
,
1710 /* the rest are 0 by default */
1712 IWL_EXPORT_SYMBOL(iwlwifi_mod_params
);
1714 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1717 struct iwl_drv
*drv
;
1718 struct iwlwifi_opmode_table
*op
;
1720 mutex_lock(&iwlwifi_opmode_table_mtx
);
1721 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1722 op
= &iwlwifi_opmode_table
[i
];
1723 if (strcmp(op
->name
, name
))
1726 /* TODO: need to handle exceptional case */
1727 list_for_each_entry(drv
, &op
->drv
, list
)
1728 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1730 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1733 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1736 IWL_EXPORT_SYMBOL(iwl_opmode_register
);
1738 void iwl_opmode_deregister(const char *name
)
1741 struct iwl_drv
*drv
;
1743 mutex_lock(&iwlwifi_opmode_table_mtx
);
1744 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1745 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1747 iwlwifi_opmode_table
[i
].ops
= NULL
;
1749 /* call the stop routine for all devices */
1750 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1751 _iwl_op_mode_stop(drv
);
1753 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1756 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1758 IWL_EXPORT_SYMBOL(iwl_opmode_deregister
);
1760 static int __init
iwl_drv_init(void)
1764 mutex_init(&iwlwifi_opmode_table_mtx
);
1766 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1767 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1769 pr_info(DRV_DESCRIPTION
"\n");
1770 pr_info(DRV_COPYRIGHT
"\n");
1772 #ifdef CONFIG_IWLWIFI_DEBUGFS
1773 /* Create the root of iwlwifi debugfs subsystem. */
1774 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1777 err
= iwl_pci_register_driver();
1779 goto cleanup_debugfs
;
1784 #ifdef CONFIG_IWLWIFI_DEBUGFS
1785 debugfs_remove_recursive(iwl_dbgfs_root
);
1789 module_init(iwl_drv_init
);
1791 static void __exit
iwl_drv_exit(void)
1793 iwl_pci_unregister_driver();
1795 #ifdef CONFIG_IWLWIFI_DEBUGFS
1796 debugfs_remove_recursive(iwl_dbgfs_root
);
1799 module_exit(iwl_drv_exit
);
1801 #ifdef CONFIG_IWLWIFI_DEBUG
1802 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
, 0644);
1803 MODULE_PARM_DESC(debug
, "debug output mask");
1806 module_param_named(swcrypto
, iwlwifi_mod_params
.swcrypto
, int, 0444);
1807 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1808 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, 0444);
1809 MODULE_PARM_DESC(11n_disable
,
1810 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1811 module_param_named(amsdu_size
, iwlwifi_mod_params
.amsdu_size
, int, 0444);
1812 MODULE_PARM_DESC(amsdu_size
,
1813 "amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, "
1814 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)");
1815 module_param_named(fw_restart
, iwlwifi_mod_params
.fw_restart
, bool, 0444);
1816 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error (default true)");
1818 module_param_named(antenna_coupling
, iwlwifi_mod_params
.antenna_coupling
,
1820 MODULE_PARM_DESC(antenna_coupling
,
1821 "specify antenna coupling in dB (default: 0 dB)");
1823 module_param_named(nvm_file
, iwlwifi_mod_params
.nvm_file
, charp
, 0444);
1824 MODULE_PARM_DESC(nvm_file
, "NVM file name");
1826 module_param_named(d0i3_disable
, iwlwifi_mod_params
.d0i3_disable
, bool, 0444);
1827 MODULE_PARM_DESC(d0i3_disable
, "disable d0i3 functionality (default: Y)");
1829 module_param_named(lar_disable
, iwlwifi_mod_params
.lar_disable
, bool, 0444);
1830 MODULE_PARM_DESC(lar_disable
, "disable LAR functionality (default: N)");
1832 module_param_named(uapsd_disable
, iwlwifi_mod_params
.uapsd_disable
, uint
, 0644);
1833 MODULE_PARM_DESC(uapsd_disable
,
1834 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1835 module_param_named(enable_ini
, iwlwifi_mod_params
.enable_ini
,
1836 bool, S_IRUGO
| S_IWUSR
);
1837 MODULE_PARM_DESC(enable_ini
,
1838 "Enable debug INI TLV FW debug infrastructure (default: 0");
1841 * set bt_coex_active to true, uCode will do kill/defer
1842 * every time the priority line is asserted (BT is sending signals on the
1843 * priority line in the PCIx).
1844 * set bt_coex_active to false, uCode will ignore the BT activity and
1845 * perform the normal operation
1847 * User might experience transmit issue on some platform due to WiFi/BT
1848 * co-exist problem. The possible behaviors are:
1849 * Able to scan and finding all the available AP
1850 * Not able to associate with any AP
1851 * On those platforms, WiFi communication can be restored by set
1852 * "bt_coex_active" module parameter to "false"
1854 * default: bt_coex_active = true (BT_COEX_ENABLE)
1856 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1858 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1860 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, 0444);
1861 MODULE_PARM_DESC(led_mode
, "0=system default, "
1862 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1864 module_param_named(power_save
, iwlwifi_mod_params
.power_save
, bool, 0444);
1865 MODULE_PARM_DESC(power_save
,
1866 "enable WiFi power management (default: disable)");
1868 module_param_named(power_level
, iwlwifi_mod_params
.power_level
, int, 0444);
1869 MODULE_PARM_DESC(power_level
,
1870 "default power save level (range from 1 - 5, default: 1)");
1872 module_param_named(fw_monitor
, iwlwifi_mod_params
.fw_monitor
, bool, 0444);
1873 MODULE_PARM_DESC(fw_monitor
,
1874 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1876 module_param_named(d0i3_timeout
, iwlwifi_mod_params
.d0i3_timeout
, uint
, 0444);
1877 MODULE_PARM_DESC(d0i3_timeout
, "Timeout to D0i3 entry when idle (ms)");
1879 module_param_named(disable_11ac
, iwlwifi_mod_params
.disable_11ac
, bool, 0444);
1880 MODULE_PARM_DESC(disable_11ac
, "Disable VHT capabilities (default: false)");
1882 module_param_named(remove_when_gone
,
1883 iwlwifi_mod_params
.remove_when_gone
, bool,
1885 MODULE_PARM_DESC(remove_when_gone
,
1886 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
1888 module_param_named(disable_11ax
, iwlwifi_mod_params
.disable_11ax
, bool,
1890 MODULE_PARM_DESC(disable_11ax
, "Disable HE capabilities (default: false)");