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 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <linux/completion.h>
68 #include <linux/dma-mapping.h>
69 #include <linux/firmware.h>
70 #include <linux/module.h>
71 #include <linux/vmalloc.h>
75 #include "iwl-debug.h"
76 #include "iwl-trans.h"
77 #include "iwl-op-mode.h"
78 #include "iwl-agn-hw.h"
80 #include "iwl-config.h"
81 #include "iwl-modparams.h"
83 /******************************************************************************
87 ******************************************************************************/
89 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
90 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
91 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
92 MODULE_LICENSE("GPL");
94 #ifdef CONFIG_IWLWIFI_DEBUGFS
95 static struct dentry
*iwl_dbgfs_root
;
99 * struct iwl_drv - drv common data
100 * @list: list of drv structures using this opmode
101 * @fw: the iwl_fw structure
102 * @op_mode: the running op_mode
103 * @trans: transport layer
104 * @dev: for debug prints only
105 * @fw_index: firmware revision to try loading
106 * @firmware_name: composite filename of ucode file to load
107 * @request_firmware_complete: the firmware has been obtained from user space
110 struct list_head list
;
113 struct iwl_op_mode
*op_mode
;
114 struct iwl_trans
*trans
;
117 int fw_index
; /* firmware we're trying to load */
118 char firmware_name
[64]; /* name of firmware file to load */
120 struct completion request_firmware_complete
;
122 #ifdef CONFIG_IWLWIFI_DEBUGFS
123 struct dentry
*dbgfs_drv
;
124 struct dentry
*dbgfs_trans
;
125 struct dentry
*dbgfs_op_mode
;
134 /* Protects the table contents, i.e. the ops pointer & drv list */
135 static struct mutex iwlwifi_opmode_table_mtx
;
136 static struct iwlwifi_opmode_table
{
137 const char *name
; /* name: iwldvm, iwlmvm, etc */
138 const struct iwl_op_mode_ops
*ops
; /* pointer to op_mode ops */
139 struct list_head drv
; /* list of devices using this op_mode */
140 } iwlwifi_opmode_table
[] = { /* ops set when driver is initialized */
141 [DVM_OP_MODE
] = { .name
= "iwldvm", .ops
= NULL
},
142 [MVM_OP_MODE
] = { .name
= "iwlmvm", .ops
= NULL
},
145 #define IWL_DEFAULT_SCAN_CHANNELS 40
148 * struct fw_sec: Just for the image parsing process.
149 * For the fw storage we are using struct fw_desc.
152 const void *data
; /* the sec data */
153 size_t size
; /* section size */
154 u32 offset
; /* offset of writing in the device */
157 static void iwl_free_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
)
164 static void iwl_free_fw_img(struct iwl_drv
*drv
, struct fw_img
*img
)
167 for (i
= 0; i
< img
->num_sec
; i
++)
168 iwl_free_fw_desc(drv
, &img
->sec
[i
]);
172 static void iwl_dealloc_ucode(struct iwl_drv
*drv
)
176 kfree(drv
->fw
.dbg_dest_tlv
);
177 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++)
178 kfree(drv
->fw
.dbg_conf_tlv
[i
]);
179 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++)
180 kfree(drv
->fw
.dbg_trigger_tlv
[i
]);
181 kfree(drv
->fw
.dbg_mem_tlv
);
183 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
184 iwl_free_fw_img(drv
, drv
->fw
.img
+ i
);
187 static int iwl_alloc_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
,
194 if (!sec
|| !sec
->size
)
197 data
= vmalloc(sec
->size
);
201 desc
->len
= sec
->size
;
202 desc
->offset
= sec
->offset
;
203 memcpy(data
, sec
->data
, desc
->len
);
209 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
,
212 static int iwl_request_firmware(struct iwl_drv
*drv
, bool first
)
214 const char *name_pre
= drv
->trans
->cfg
->fw_name_pre
;
218 drv
->fw_index
= drv
->trans
->cfg
->ucode_api_max
;
219 sprintf(tag
, "%d", drv
->fw_index
);
222 sprintf(tag
, "%d", drv
->fw_index
);
225 if (drv
->fw_index
< drv
->trans
->cfg
->ucode_api_min
) {
226 IWL_ERR(drv
, "no suitable firmware found!\n");
230 snprintf(drv
->firmware_name
, sizeof(drv
->firmware_name
), "%s%s.ucode",
233 IWL_DEBUG_INFO(drv
, "attempting to load firmware '%s'\n",
236 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
238 GFP_KERNEL
, drv
, iwl_req_fw_callback
);
241 struct fw_img_parsing
{
247 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
249 struct fw_sec_parsing
{
255 * struct iwl_tlv_calib_data - parse the default calib data from TLV
257 * @ucode_type: the uCode to which the following default calib relates.
258 * @calib: default calibrations.
260 struct iwl_tlv_calib_data
{
262 struct iwl_tlv_calib_ctrl calib
;
265 struct iwl_firmware_pieces
{
266 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
268 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
269 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
271 /* FW debug data parsed for driver usage */
272 struct iwl_fw_dbg_dest_tlv
*dbg_dest_tlv
;
273 struct iwl_fw_dbg_conf_tlv
*dbg_conf_tlv
[FW_DBG_CONF_MAX
];
274 size_t dbg_conf_tlv_len
[FW_DBG_CONF_MAX
];
275 struct iwl_fw_dbg_trigger_tlv
*dbg_trigger_tlv
[FW_DBG_TRIGGER_MAX
];
276 size_t dbg_trigger_tlv_len
[FW_DBG_TRIGGER_MAX
];
277 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem_tlv
;
278 size_t n_dbg_mem_tlv
;
282 * These functions are just to extract uCode section data from the pieces
285 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
286 enum iwl_ucode_type type
,
289 return &pieces
->img
[type
].sec
[sec
];
292 static void alloc_sec_data(struct iwl_firmware_pieces
*pieces
,
293 enum iwl_ucode_type type
,
296 struct fw_img_parsing
*img
= &pieces
->img
[type
];
297 struct fw_sec
*sec_memory
;
299 size_t alloc_size
= sizeof(*img
->sec
) * size
;
301 if (img
->sec
&& img
->sec_counter
>= size
)
304 sec_memory
= krealloc(img
->sec
, alloc_size
, GFP_KERNEL
);
308 img
->sec
= sec_memory
;
309 img
->sec_counter
= size
;
312 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
313 enum iwl_ucode_type type
,
317 alloc_sec_data(pieces
, type
, sec
);
319 pieces
->img
[type
].sec
[sec
].data
= data
;
322 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
323 enum iwl_ucode_type type
,
327 alloc_sec_data(pieces
, type
, sec
);
329 pieces
->img
[type
].sec
[sec
].size
= size
;
332 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
333 enum iwl_ucode_type type
,
336 return pieces
->img
[type
].sec
[sec
].size
;
339 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
340 enum iwl_ucode_type type
,
344 alloc_sec_data(pieces
, type
, sec
);
346 pieces
->img
[type
].sec
[sec
].offset
= offset
;
349 static int iwl_store_cscheme(struct iwl_fw
*fw
, const u8
*data
, const u32 len
)
352 struct iwl_fw_cscheme_list
*l
= (struct iwl_fw_cscheme_list
*)data
;
353 struct iwl_fw_cipher_scheme
*fwcs
;
355 if (len
< sizeof(*l
) ||
356 len
< sizeof(l
->size
) + l
->size
* sizeof(l
->cs
[0]))
359 for (i
= 0, j
= 0; i
< IWL_UCODE_MAX_CS
&& i
< l
->size
; i
++) {
362 /* we skip schemes with zero cipher suite selector */
372 static void iwl_store_gscan_capa(struct iwl_fw
*fw
, const u8
*data
,
375 struct iwl_fw_gscan_capabilities
*fw_capa
= (void *)data
;
376 struct iwl_gscan_capabilities
*capa
= &fw
->gscan_capa
;
378 capa
->max_scan_cache_size
= le32_to_cpu(fw_capa
->max_scan_cache_size
);
379 capa
->max_scan_buckets
= le32_to_cpu(fw_capa
->max_scan_buckets
);
380 capa
->max_ap_cache_per_scan
=
381 le32_to_cpu(fw_capa
->max_ap_cache_per_scan
);
382 capa
->max_rssi_sample_size
= le32_to_cpu(fw_capa
->max_rssi_sample_size
);
383 capa
->max_scan_reporting_threshold
=
384 le32_to_cpu(fw_capa
->max_scan_reporting_threshold
);
385 capa
->max_hotlist_aps
= le32_to_cpu(fw_capa
->max_hotlist_aps
);
386 capa
->max_significant_change_aps
=
387 le32_to_cpu(fw_capa
->max_significant_change_aps
);
388 capa
->max_bssid_history_entries
=
389 le32_to_cpu(fw_capa
->max_bssid_history_entries
);
390 capa
->max_hotlist_ssids
= le32_to_cpu(fw_capa
->max_hotlist_ssids
);
391 capa
->max_number_epno_networks
=
392 le32_to_cpu(fw_capa
->max_number_epno_networks
);
393 capa
->max_number_epno_networks_by_ssid
=
394 le32_to_cpu(fw_capa
->max_number_epno_networks_by_ssid
);
395 capa
->max_number_of_white_listed_ssid
=
396 le32_to_cpu(fw_capa
->max_number_of_white_listed_ssid
);
397 capa
->max_number_of_black_listed_ssid
=
398 le32_to_cpu(fw_capa
->max_number_of_black_listed_ssid
);
402 * Gets uCode section from tlv.
404 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
405 const void *data
, enum iwl_ucode_type type
,
408 struct fw_img_parsing
*img
;
410 struct fw_sec_parsing
*sec_parse
;
413 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
416 sec_parse
= (struct fw_sec_parsing
*)data
;
418 img
= &pieces
->img
[type
];
420 alloc_size
= sizeof(*img
->sec
) * (img
->sec_counter
+ 1);
421 sec
= krealloc(img
->sec
, alloc_size
, GFP_KERNEL
);
426 sec
= &img
->sec
[img
->sec_counter
];
428 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
429 sec
->data
= sec_parse
->data
;
430 sec
->size
= size
- sizeof(sec_parse
->offset
);
437 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
439 struct iwl_tlv_calib_data
*def_calib
=
440 (struct iwl_tlv_calib_data
*)data
;
441 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
442 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
443 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
447 drv
->fw
.default_calib
[ucode_type
].flow_trigger
=
448 def_calib
->calib
.flow_trigger
;
449 drv
->fw
.default_calib
[ucode_type
].event_trigger
=
450 def_calib
->calib
.event_trigger
;
455 static int iwl_set_ucode_api_flags(struct iwl_drv
*drv
, const u8
*data
,
456 struct iwl_ucode_capabilities
*capa
)
458 const struct iwl_ucode_api
*ucode_api
= (void *)data
;
459 u32 api_index
= le32_to_cpu(ucode_api
->api_index
);
460 u32 api_flags
= le32_to_cpu(ucode_api
->api_flags
);
463 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API
, 32)) {
465 "api flags index %d larger than supported by driver\n",
467 /* don't return an error so we can load FW that has more bits */
471 for (i
= 0; i
< 32; i
++) {
472 if (api_flags
& BIT(i
))
473 __set_bit(i
+ 32 * api_index
, capa
->_api
);
479 static int iwl_set_ucode_capabilities(struct iwl_drv
*drv
, const u8
*data
,
480 struct iwl_ucode_capabilities
*capa
)
482 const struct iwl_ucode_capa
*ucode_capa
= (void *)data
;
483 u32 api_index
= le32_to_cpu(ucode_capa
->api_index
);
484 u32 api_flags
= le32_to_cpu(ucode_capa
->api_capa
);
487 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA
, 32)) {
489 "capa flags index %d larger than supported by driver\n",
491 /* don't return an error so we can load FW that has more bits */
495 for (i
= 0; i
< 32; i
++) {
496 if (api_flags
& BIT(i
))
497 __set_bit(i
+ 32 * api_index
, capa
->_capa
);
503 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
504 const struct firmware
*ucode_raw
,
505 struct iwl_firmware_pieces
*pieces
)
507 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
508 u32 api_ver
, hdr_size
, build
;
512 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
513 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
518 if (ucode_raw
->size
< hdr_size
) {
519 IWL_ERR(drv
, "File size too small!\n");
522 build
= le32_to_cpu(ucode
->u
.v2
.build
);
523 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
524 le32_to_cpu(ucode
->u
.v2
.inst_size
));
525 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
526 le32_to_cpu(ucode
->u
.v2
.data_size
));
527 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
528 le32_to_cpu(ucode
->u
.v2
.init_size
));
529 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
530 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
531 src
= ucode
->u
.v2
.data
;
537 if (ucode_raw
->size
< hdr_size
) {
538 IWL_ERR(drv
, "File size too small!\n");
542 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
543 le32_to_cpu(ucode
->u
.v1
.inst_size
));
544 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
545 le32_to_cpu(ucode
->u
.v1
.data_size
));
546 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
547 le32_to_cpu(ucode
->u
.v1
.init_size
));
548 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
549 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
550 src
= ucode
->u
.v1
.data
;
555 sprintf(buildstr
, " build %u", build
);
559 snprintf(drv
->fw
.fw_version
,
560 sizeof(drv
->fw
.fw_version
),
562 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
563 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
564 IWL_UCODE_API(drv
->fw
.ucode_ver
),
565 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
568 /* Verify size of file vs. image size info in file's header */
570 if (ucode_raw
->size
!= hdr_size
+
571 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
572 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
573 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
574 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
577 "uCode file size %d does not match expected size\n",
578 (int)ucode_raw
->size
);
583 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
584 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
585 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
586 IWLAGN_RTC_INST_LOWER_BOUND
);
587 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
588 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
589 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
590 IWLAGN_RTC_DATA_LOWER_BOUND
);
591 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
592 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
593 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
594 IWLAGN_RTC_INST_LOWER_BOUND
);
595 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
596 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
597 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
598 IWLAGN_RTC_DATA_LOWER_BOUND
);
602 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
603 const struct firmware
*ucode_raw
,
604 struct iwl_firmware_pieces
*pieces
,
605 struct iwl_ucode_capabilities
*capa
,
606 bool *usniffer_images
)
608 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
609 struct iwl_ucode_tlv
*tlv
;
610 size_t len
= ucode_raw
->size
;
614 enum iwl_ucode_tlv_type tlv_type
;
617 u32 build
, paging_mem_size
;
619 bool usniffer_req
= false;
620 bool gscan_capa
= false;
622 if (len
< sizeof(*ucode
)) {
623 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
627 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
628 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
629 le32_to_cpu(ucode
->magic
));
633 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
634 memcpy(drv
->fw
.human_readable
, ucode
->human_readable
,
635 sizeof(drv
->fw
.human_readable
));
636 build
= le32_to_cpu(ucode
->build
);
639 sprintf(buildstr
, " build %u", build
);
643 snprintf(drv
->fw
.fw_version
,
644 sizeof(drv
->fw
.fw_version
),
646 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
647 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
648 IWL_UCODE_API(drv
->fw
.ucode_ver
),
649 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
654 len
-= sizeof(*ucode
);
656 while (len
>= sizeof(*tlv
)) {
660 tlv_len
= le32_to_cpu(tlv
->length
);
661 tlv_type
= le32_to_cpu(tlv
->type
);
662 tlv_data
= tlv
->data
;
665 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
669 len
-= ALIGN(tlv_len
, 4);
670 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
673 case IWL_UCODE_TLV_INST
:
674 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
675 IWL_UCODE_SECTION_INST
, tlv_data
);
676 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
677 IWL_UCODE_SECTION_INST
, tlv_len
);
678 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
679 IWL_UCODE_SECTION_INST
,
680 IWLAGN_RTC_INST_LOWER_BOUND
);
682 case IWL_UCODE_TLV_DATA
:
683 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
684 IWL_UCODE_SECTION_DATA
, tlv_data
);
685 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
686 IWL_UCODE_SECTION_DATA
, tlv_len
);
687 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
688 IWL_UCODE_SECTION_DATA
,
689 IWLAGN_RTC_DATA_LOWER_BOUND
);
691 case IWL_UCODE_TLV_INIT
:
692 set_sec_data(pieces
, IWL_UCODE_INIT
,
693 IWL_UCODE_SECTION_INST
, tlv_data
);
694 set_sec_size(pieces
, IWL_UCODE_INIT
,
695 IWL_UCODE_SECTION_INST
, tlv_len
);
696 set_sec_offset(pieces
, IWL_UCODE_INIT
,
697 IWL_UCODE_SECTION_INST
,
698 IWLAGN_RTC_INST_LOWER_BOUND
);
700 case IWL_UCODE_TLV_INIT_DATA
:
701 set_sec_data(pieces
, IWL_UCODE_INIT
,
702 IWL_UCODE_SECTION_DATA
, tlv_data
);
703 set_sec_size(pieces
, IWL_UCODE_INIT
,
704 IWL_UCODE_SECTION_DATA
, tlv_len
);
705 set_sec_offset(pieces
, IWL_UCODE_INIT
,
706 IWL_UCODE_SECTION_DATA
,
707 IWLAGN_RTC_DATA_LOWER_BOUND
);
709 case IWL_UCODE_TLV_BOOT
:
710 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
712 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
713 if (tlv_len
!= sizeof(u32
))
714 goto invalid_tlv_len
;
715 capa
->max_probe_length
=
716 le32_to_cpup((__le32
*)tlv_data
);
718 case IWL_UCODE_TLV_PAN
:
720 goto invalid_tlv_len
;
721 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
723 case IWL_UCODE_TLV_FLAGS
:
724 /* must be at least one u32 */
725 if (tlv_len
< sizeof(u32
))
726 goto invalid_tlv_len
;
727 /* and a proper number of u32s */
728 if (tlv_len
% sizeof(u32
))
729 goto invalid_tlv_len
;
731 * This driver only reads the first u32 as
732 * right now no more features are defined,
733 * if that changes then either the driver
734 * will not work with the new firmware, or
735 * it'll not take advantage of new features.
737 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
739 case IWL_UCODE_TLV_API_CHANGES_SET
:
740 if (tlv_len
!= sizeof(struct iwl_ucode_api
))
741 goto invalid_tlv_len
;
742 if (iwl_set_ucode_api_flags(drv
, tlv_data
, capa
))
745 case IWL_UCODE_TLV_ENABLED_CAPABILITIES
:
746 if (tlv_len
!= sizeof(struct iwl_ucode_capa
))
747 goto invalid_tlv_len
;
748 if (iwl_set_ucode_capabilities(drv
, tlv_data
, capa
))
751 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
752 if (tlv_len
!= sizeof(u32
))
753 goto invalid_tlv_len
;
754 pieces
->init_evtlog_ptr
=
755 le32_to_cpup((__le32
*)tlv_data
);
757 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
758 if (tlv_len
!= sizeof(u32
))
759 goto invalid_tlv_len
;
760 pieces
->init_evtlog_size
=
761 le32_to_cpup((__le32
*)tlv_data
);
763 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
764 if (tlv_len
!= sizeof(u32
))
765 goto invalid_tlv_len
;
766 pieces
->init_errlog_ptr
=
767 le32_to_cpup((__le32
*)tlv_data
);
769 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
770 if (tlv_len
!= sizeof(u32
))
771 goto invalid_tlv_len
;
772 pieces
->inst_evtlog_ptr
=
773 le32_to_cpup((__le32
*)tlv_data
);
775 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
776 if (tlv_len
!= sizeof(u32
))
777 goto invalid_tlv_len
;
778 pieces
->inst_evtlog_size
=
779 le32_to_cpup((__le32
*)tlv_data
);
781 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
782 if (tlv_len
!= sizeof(u32
))
783 goto invalid_tlv_len
;
784 pieces
->inst_errlog_ptr
=
785 le32_to_cpup((__le32
*)tlv_data
);
787 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
789 goto invalid_tlv_len
;
790 drv
->fw
.enhance_sensitivity_table
= true;
792 case IWL_UCODE_TLV_WOWLAN_INST
:
793 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
794 IWL_UCODE_SECTION_INST
, tlv_data
);
795 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
796 IWL_UCODE_SECTION_INST
, tlv_len
);
797 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
798 IWL_UCODE_SECTION_INST
,
799 IWLAGN_RTC_INST_LOWER_BOUND
);
801 case IWL_UCODE_TLV_WOWLAN_DATA
:
802 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
803 IWL_UCODE_SECTION_DATA
, tlv_data
);
804 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
805 IWL_UCODE_SECTION_DATA
, tlv_len
);
806 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
807 IWL_UCODE_SECTION_DATA
,
808 IWLAGN_RTC_DATA_LOWER_BOUND
);
810 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
811 if (tlv_len
!= sizeof(u32
))
812 goto invalid_tlv_len
;
813 capa
->standard_phy_calibration_size
=
814 le32_to_cpup((__le32
*)tlv_data
);
816 case IWL_UCODE_TLV_SEC_RT
:
817 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
819 drv
->fw
.type
= IWL_FW_MVM
;
821 case IWL_UCODE_TLV_SEC_INIT
:
822 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
824 drv
->fw
.type
= IWL_FW_MVM
;
826 case IWL_UCODE_TLV_SEC_WOWLAN
:
827 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
829 drv
->fw
.type
= IWL_FW_MVM
;
831 case IWL_UCODE_TLV_DEF_CALIB
:
832 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
833 goto invalid_tlv_len
;
834 if (iwl_set_default_calib(drv
, tlv_data
))
837 case IWL_UCODE_TLV_PHY_SKU
:
838 if (tlv_len
!= sizeof(u32
))
839 goto invalid_tlv_len
;
840 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
841 drv
->fw
.valid_tx_ant
= (drv
->fw
.phy_config
&
842 FW_PHY_CFG_TX_CHAIN
) >>
843 FW_PHY_CFG_TX_CHAIN_POS
;
844 drv
->fw
.valid_rx_ant
= (drv
->fw
.phy_config
&
845 FW_PHY_CFG_RX_CHAIN
) >>
846 FW_PHY_CFG_RX_CHAIN_POS
;
848 case IWL_UCODE_TLV_SECURE_SEC_RT
:
849 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
851 drv
->fw
.type
= IWL_FW_MVM
;
853 case IWL_UCODE_TLV_SECURE_SEC_INIT
:
854 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
856 drv
->fw
.type
= IWL_FW_MVM
;
858 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN
:
859 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
861 drv
->fw
.type
= IWL_FW_MVM
;
863 case IWL_UCODE_TLV_NUM_OF_CPU
:
864 if (tlv_len
!= sizeof(u32
))
865 goto invalid_tlv_len
;
867 le32_to_cpup((__le32
*)tlv_data
);
869 if (num_of_cpus
== 2) {
870 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_dual_cpus
=
872 drv
->fw
.img
[IWL_UCODE_INIT
].is_dual_cpus
=
874 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_dual_cpus
=
876 } else if ((num_of_cpus
> 2) || (num_of_cpus
< 1)) {
877 IWL_ERR(drv
, "Driver support upto 2 CPUs\n");
881 case IWL_UCODE_TLV_CSCHEME
:
882 if (iwl_store_cscheme(&drv
->fw
, tlv_data
, tlv_len
))
883 goto invalid_tlv_len
;
885 case IWL_UCODE_TLV_N_SCAN_CHANNELS
:
886 if (tlv_len
!= sizeof(u32
))
887 goto invalid_tlv_len
;
888 capa
->n_scan_channels
=
889 le32_to_cpup((__le32
*)tlv_data
);
891 case IWL_UCODE_TLV_FW_VERSION
: {
892 __le32
*ptr
= (void *)tlv_data
;
896 if (tlv_len
!= sizeof(u32
) * 3)
897 goto invalid_tlv_len
;
899 major
= le32_to_cpup(ptr
++);
900 minor
= le32_to_cpup(ptr
++);
901 local_comp
= le32_to_cpup(ptr
);
903 snprintf(drv
->fw
.fw_version
,
904 sizeof(drv
->fw
.fw_version
), "%u.%u.%u",
905 major
, minor
, local_comp
);
908 case IWL_UCODE_TLV_FW_DBG_DEST
: {
909 struct iwl_fw_dbg_dest_tlv
*dest
= (void *)tlv_data
;
911 if (pieces
->dbg_dest_tlv
) {
913 "dbg destination ignored, already exists\n");
917 pieces
->dbg_dest_tlv
= dest
;
918 IWL_INFO(drv
, "Found debug destination: %s\n",
919 get_fw_dbg_mode_string(dest
->monitor_mode
));
921 drv
->fw
.dbg_dest_reg_num
=
922 tlv_len
- offsetof(struct iwl_fw_dbg_dest_tlv
,
924 drv
->fw
.dbg_dest_reg_num
/=
925 sizeof(drv
->fw
.dbg_dest_tlv
->reg_ops
[0]);
929 case IWL_UCODE_TLV_FW_DBG_CONF
: {
930 struct iwl_fw_dbg_conf_tlv
*conf
= (void *)tlv_data
;
932 if (!pieces
->dbg_dest_tlv
) {
934 "Ignore dbg config %d - no destination configured\n",
939 if (conf
->id
>= ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
)) {
941 "Skip unknown configuration: %d\n",
946 if (pieces
->dbg_conf_tlv
[conf
->id
]) {
948 "Ignore duplicate dbg config %d\n",
956 IWL_INFO(drv
, "Found debug configuration: %d\n",
959 pieces
->dbg_conf_tlv
[conf
->id
] = conf
;
960 pieces
->dbg_conf_tlv_len
[conf
->id
] = tlv_len
;
963 case IWL_UCODE_TLV_FW_DBG_TRIGGER
: {
964 struct iwl_fw_dbg_trigger_tlv
*trigger
=
966 u32 trigger_id
= le32_to_cpu(trigger
->id
);
968 if (trigger_id
>= ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
)) {
970 "Skip unknown trigger: %u\n",
975 if (pieces
->dbg_trigger_tlv
[trigger_id
]) {
977 "Ignore duplicate dbg trigger %u\n",
982 IWL_INFO(drv
, "Found debug trigger: %u\n", trigger
->id
);
984 pieces
->dbg_trigger_tlv
[trigger_id
] = trigger
;
985 pieces
->dbg_trigger_tlv_len
[trigger_id
] = tlv_len
;
988 case IWL_UCODE_TLV_SEC_RT_USNIFFER
:
989 *usniffer_images
= true;
990 iwl_store_ucode_sec(pieces
, tlv_data
,
991 IWL_UCODE_REGULAR_USNIFFER
,
994 case IWL_UCODE_TLV_PAGING
:
995 if (tlv_len
!= sizeof(u32
))
996 goto invalid_tlv_len
;
997 paging_mem_size
= le32_to_cpup((__le32
*)tlv_data
);
1000 "Paging: paging enabled (size = %u bytes)\n",
1003 if (paging_mem_size
> MAX_PAGING_IMAGE_SIZE
) {
1005 "Paging: driver supports up to %lu bytes for paging image\n",
1006 MAX_PAGING_IMAGE_SIZE
);
1010 if (paging_mem_size
& (FW_PAGING_SIZE
- 1)) {
1012 "Paging: image isn't multiple %lu\n",
1017 drv
->fw
.img
[IWL_UCODE_REGULAR
].paging_mem_size
=
1019 usniffer_img
= IWL_UCODE_REGULAR_USNIFFER
;
1020 drv
->fw
.img
[usniffer_img
].paging_mem_size
=
1023 case IWL_UCODE_TLV_SDIO_ADMA_ADDR
:
1024 if (tlv_len
!= sizeof(u32
))
1025 goto invalid_tlv_len
;
1026 drv
->fw
.sdio_adma_addr
=
1027 le32_to_cpup((__le32
*)tlv_data
);
1029 case IWL_UCODE_TLV_FW_GSCAN_CAPA
:
1031 * Don't return an error in case of a shorter tlv_len
1032 * to enable loading of FW that has an old format
1033 * of GSCAN capabilities TLV.
1035 if (tlv_len
< sizeof(struct iwl_fw_gscan_capabilities
))
1038 iwl_store_gscan_capa(&drv
->fw
, tlv_data
, tlv_len
);
1041 case IWL_UCODE_TLV_FW_MEM_SEG
: {
1042 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem
=
1046 struct iwl_fw_dbg_mem_seg_tlv
*n
;
1048 if (tlv_len
!= (sizeof(*dbg_mem
)))
1049 goto invalid_tlv_len
;
1051 type
= le32_to_cpu(dbg_mem
->data_type
);
1053 IWL_DEBUG_INFO(drv
, "Found debug memory segment: %u\n",
1054 dbg_mem
->data_type
);
1056 switch (type
& FW_DBG_MEM_TYPE_MASK
) {
1057 case FW_DBG_MEM_TYPE_REGULAR
:
1058 case FW_DBG_MEM_TYPE_PRPH
:
1059 /* we know how to handle these */
1063 "Found debug memory segment with invalid type: 0x%x\n",
1068 size
= sizeof(*pieces
->dbg_mem_tlv
) *
1069 (pieces
->n_dbg_mem_tlv
+ 1);
1070 n
= krealloc(pieces
->dbg_mem_tlv
, size
, GFP_KERNEL
);
1073 pieces
->dbg_mem_tlv
= n
;
1074 pieces
->dbg_mem_tlv
[pieces
->n_dbg_mem_tlv
] = *dbg_mem
;
1075 pieces
->n_dbg_mem_tlv
++;
1079 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
1084 if (!fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED
) &&
1085 usniffer_req
&& !*usniffer_images
) {
1087 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1092 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
1093 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
1098 * If ucode advertises that it supports GSCAN but GSCAN
1099 * capabilities TLV is not present, or if it has an old format,
1100 * warn and continue without GSCAN.
1102 if (fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
) &&
1105 "GSCAN is supported but capabilities TLV is unavailable\n");
1106 __clear_bit((__force
long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
,
1113 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
1115 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
1120 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
1121 struct iwl_firmware_pieces
*pieces
,
1122 enum iwl_ucode_type type
)
1125 struct fw_desc
*sec
;
1127 sec
= kcalloc(pieces
->img
[type
].sec_counter
, sizeof(*sec
), GFP_KERNEL
);
1130 drv
->fw
.img
[type
].sec
= sec
;
1131 drv
->fw
.img
[type
].num_sec
= pieces
->img
[type
].sec_counter
;
1133 for (i
= 0; i
< pieces
->img
[type
].sec_counter
; i
++)
1134 if (iwl_alloc_fw_desc(drv
, &sec
[i
], get_sec(pieces
, type
, i
)))
1140 static int validate_sec_sizes(struct iwl_drv
*drv
,
1141 struct iwl_firmware_pieces
*pieces
,
1142 const struct iwl_cfg
*cfg
)
1144 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %zd\n",
1145 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1146 IWL_UCODE_SECTION_INST
));
1147 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %zd\n",
1148 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1149 IWL_UCODE_SECTION_DATA
));
1150 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %zd\n",
1151 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
1152 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %zd\n",
1153 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
1155 /* Verify that uCode images will fit in card's SRAM. */
1156 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
1157 cfg
->max_inst_size
) {
1158 IWL_ERR(drv
, "uCode instr len %zd too large to fit in\n",
1159 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1160 IWL_UCODE_SECTION_INST
));
1164 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
1165 cfg
->max_data_size
) {
1166 IWL_ERR(drv
, "uCode data len %zd too large to fit in\n",
1167 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1168 IWL_UCODE_SECTION_DATA
));
1172 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
1173 cfg
->max_inst_size
) {
1174 IWL_ERR(drv
, "uCode init instr len %zd too large to fit in\n",
1175 get_sec_size(pieces
, IWL_UCODE_INIT
,
1176 IWL_UCODE_SECTION_INST
));
1180 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
1181 cfg
->max_data_size
) {
1182 IWL_ERR(drv
, "uCode init data len %zd too large to fit in\n",
1183 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1184 IWL_UCODE_SECTION_DATA
));
1190 static struct iwl_op_mode
*
1191 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
1193 const struct iwl_op_mode_ops
*ops
= op
->ops
;
1194 struct dentry
*dbgfs_dir
= NULL
;
1195 struct iwl_op_mode
*op_mode
= NULL
;
1197 #ifdef CONFIG_IWLWIFI_DEBUGFS
1198 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
1200 if (!drv
->dbgfs_op_mode
) {
1202 "failed to create opmode debugfs directory\n");
1205 dbgfs_dir
= drv
->dbgfs_op_mode
;
1208 op_mode
= ops
->start(drv
->trans
, drv
->trans
->cfg
, &drv
->fw
, dbgfs_dir
);
1210 #ifdef CONFIG_IWLWIFI_DEBUGFS
1212 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1213 drv
->dbgfs_op_mode
= NULL
;
1220 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
1222 /* op_mode can be NULL if its start failed */
1224 iwl_op_mode_stop(drv
->op_mode
);
1225 drv
->op_mode
= NULL
;
1227 #ifdef CONFIG_IWLWIFI_DEBUGFS
1228 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1229 drv
->dbgfs_op_mode
= NULL
;
1235 * iwl_req_fw_callback - callback when firmware was loaded
1237 * If loaded successfully, copies the firmware into buffers
1238 * for the card to fetch (via DMA).
1240 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
1242 struct iwl_drv
*drv
= context
;
1243 struct iwl_fw
*fw
= &drv
->fw
;
1244 struct iwl_ucode_header
*ucode
;
1245 struct iwlwifi_opmode_table
*op
;
1247 struct iwl_firmware_pieces
*pieces
;
1248 const unsigned int api_max
= drv
->trans
->cfg
->ucode_api_max
;
1249 const unsigned int api_min
= drv
->trans
->cfg
->ucode_api_min
;
1250 size_t trigger_tlv_sz
[FW_DBG_TRIGGER_MAX
];
1253 bool load_module
= false;
1254 bool usniffer_images
= false;
1256 fw
->ucode_capa
.max_probe_length
= IWL_DEFAULT_MAX_PROBE_LENGTH
;
1257 fw
->ucode_capa
.standard_phy_calibration_size
=
1258 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1259 fw
->ucode_capa
.n_scan_channels
= IWL_DEFAULT_SCAN_CHANNELS
;
1261 pieces
= kzalloc(sizeof(*pieces
), GFP_KERNEL
);
1268 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
1269 drv
->firmware_name
, ucode_raw
->size
);
1271 /* Make sure that we got at least the API version number */
1272 if (ucode_raw
->size
< 4) {
1273 IWL_ERR(drv
, "File size way too small!\n");
1277 /* Data from ucode file: header followed by uCode images */
1278 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
1281 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, pieces
);
1283 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, pieces
,
1284 &fw
->ucode_capa
, &usniffer_images
);
1289 if (fw_has_api(&drv
->fw
.ucode_capa
, IWL_UCODE_TLV_API_NEW_VERSION
))
1290 api_ver
= drv
->fw
.ucode_ver
;
1292 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
1295 * api_ver should match the api version forming part of the
1296 * firmware filename ... but we don't check for that and only rely
1297 * on the API version read from firmware header from here on forward
1299 if (api_ver
< api_min
|| api_ver
> api_max
) {
1301 "Driver unable to support your firmware API. "
1302 "Driver supports v%u, firmware is v%u.\n",
1308 * In mvm uCode there is no difference between data and instructions
1311 if (fw
->type
== IWL_FW_DVM
&& validate_sec_sizes(drv
, pieces
,
1315 /* Allocate ucode buffers for card's bus-master loading ... */
1317 /* Runtime instructions and 2 copies of data:
1318 * 1) unmodified from disk
1319 * 2) backup cache for save/restore during power-downs */
1320 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
1321 if (iwl_alloc_ucode(drv
, pieces
, i
))
1324 if (pieces
->dbg_dest_tlv
) {
1325 drv
->fw
.dbg_dest_tlv
=
1326 kmemdup(pieces
->dbg_dest_tlv
,
1327 sizeof(*pieces
->dbg_dest_tlv
) +
1328 sizeof(pieces
->dbg_dest_tlv
->reg_ops
[0]) *
1329 drv
->fw
.dbg_dest_reg_num
, GFP_KERNEL
);
1331 if (!drv
->fw
.dbg_dest_tlv
)
1335 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++) {
1336 if (pieces
->dbg_conf_tlv
[i
]) {
1337 drv
->fw
.dbg_conf_tlv_len
[i
] =
1338 pieces
->dbg_conf_tlv_len
[i
];
1339 drv
->fw
.dbg_conf_tlv
[i
] =
1340 kmemdup(pieces
->dbg_conf_tlv
[i
],
1341 drv
->fw
.dbg_conf_tlv_len
[i
],
1343 if (!drv
->fw
.dbg_conf_tlv
[i
])
1348 memset(&trigger_tlv_sz
, 0xff, sizeof(trigger_tlv_sz
));
1350 trigger_tlv_sz
[FW_DBG_TRIGGER_MISSED_BEACONS
] =
1351 sizeof(struct iwl_fw_dbg_trigger_missed_bcon
);
1352 trigger_tlv_sz
[FW_DBG_TRIGGER_CHANNEL_SWITCH
] = 0;
1353 trigger_tlv_sz
[FW_DBG_TRIGGER_FW_NOTIF
] =
1354 sizeof(struct iwl_fw_dbg_trigger_cmd
);
1355 trigger_tlv_sz
[FW_DBG_TRIGGER_MLME
] =
1356 sizeof(struct iwl_fw_dbg_trigger_mlme
);
1357 trigger_tlv_sz
[FW_DBG_TRIGGER_STATS
] =
1358 sizeof(struct iwl_fw_dbg_trigger_stats
);
1359 trigger_tlv_sz
[FW_DBG_TRIGGER_RSSI
] =
1360 sizeof(struct iwl_fw_dbg_trigger_low_rssi
);
1361 trigger_tlv_sz
[FW_DBG_TRIGGER_TXQ_TIMERS
] =
1362 sizeof(struct iwl_fw_dbg_trigger_txq_timer
);
1363 trigger_tlv_sz
[FW_DBG_TRIGGER_TIME_EVENT
] =
1364 sizeof(struct iwl_fw_dbg_trigger_time_event
);
1365 trigger_tlv_sz
[FW_DBG_TRIGGER_BA
] =
1366 sizeof(struct iwl_fw_dbg_trigger_ba
);
1367 trigger_tlv_sz
[FW_DBG_TRIGGER_TDLS
] =
1368 sizeof(struct iwl_fw_dbg_trigger_tdls
);
1370 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++) {
1371 if (pieces
->dbg_trigger_tlv
[i
]) {
1373 * If the trigger isn't long enough, WARN and exit.
1374 * Someone is trying to debug something and he won't
1375 * be able to catch the bug he is trying to chase.
1376 * We'd better be noisy to be sure he knows what's
1379 if (WARN_ON(pieces
->dbg_trigger_tlv_len
[i
] <
1380 (trigger_tlv_sz
[i
] +
1381 sizeof(struct iwl_fw_dbg_trigger_tlv
))))
1383 drv
->fw
.dbg_trigger_tlv_len
[i
] =
1384 pieces
->dbg_trigger_tlv_len
[i
];
1385 drv
->fw
.dbg_trigger_tlv
[i
] =
1386 kmemdup(pieces
->dbg_trigger_tlv
[i
],
1387 drv
->fw
.dbg_trigger_tlv_len
[i
],
1389 if (!drv
->fw
.dbg_trigger_tlv
[i
])
1394 /* Now that we can no longer fail, copy information */
1396 drv
->fw
.dbg_mem_tlv
= pieces
->dbg_mem_tlv
;
1397 pieces
->dbg_mem_tlv
= NULL
;
1398 drv
->fw
.n_dbg_mem_tlv
= pieces
->n_dbg_mem_tlv
;
1401 * The (size - 16) / 12 formula is based on the information recorded
1402 * for each event, which is of mode 1 (including timestamp) for all
1403 * new microcodes that include this information.
1405 fw
->init_evtlog_ptr
= pieces
->init_evtlog_ptr
;
1406 if (pieces
->init_evtlog_size
)
1407 fw
->init_evtlog_size
= (pieces
->init_evtlog_size
- 16)/12;
1409 fw
->init_evtlog_size
=
1410 drv
->trans
->cfg
->base_params
->max_event_log_size
;
1411 fw
->init_errlog_ptr
= pieces
->init_errlog_ptr
;
1412 fw
->inst_evtlog_ptr
= pieces
->inst_evtlog_ptr
;
1413 if (pieces
->inst_evtlog_size
)
1414 fw
->inst_evtlog_size
= (pieces
->inst_evtlog_size
- 16)/12;
1416 fw
->inst_evtlog_size
=
1417 drv
->trans
->cfg
->base_params
->max_event_log_size
;
1418 fw
->inst_errlog_ptr
= pieces
->inst_errlog_ptr
;
1421 * figure out the offset of chain noise reset and gain commands
1422 * base on the size of standard phy calibration commands table size
1424 if (fw
->ucode_capa
.standard_phy_calibration_size
>
1425 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1426 fw
->ucode_capa
.standard_phy_calibration_size
=
1427 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1429 /* We have our copies now, allow OS release its copies */
1430 release_firmware(ucode_raw
);
1432 mutex_lock(&iwlwifi_opmode_table_mtx
);
1435 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
1438 WARN(1, "Invalid fw type %d\n", fw
->type
);
1440 op
= &iwlwifi_opmode_table
[MVM_OP_MODE
];
1444 IWL_INFO(drv
, "loaded firmware version %s op_mode %s\n",
1445 drv
->fw
.fw_version
, op
->name
);
1447 /* add this device to the list of devices using this op_mode */
1448 list_add_tail(&drv
->list
, &op
->drv
);
1451 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1453 if (!drv
->op_mode
) {
1454 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1460 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1463 * Complete the firmware request last so that
1464 * a driver unbind (stop) doesn't run while we
1465 * are doing the start() above.
1467 complete(&drv
->request_firmware_complete
);
1470 * Load the module last so we don't block anything
1471 * else from proceeding if the module fails to load
1475 err
= request_module("%s", op
->name
);
1476 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1479 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1486 /* try next, if any */
1487 release_firmware(ucode_raw
);
1488 if (iwl_request_firmware(drv
, false))
1493 IWL_ERR(drv
, "failed to allocate pci memory\n");
1494 iwl_dealloc_ucode(drv
);
1495 release_firmware(ucode_raw
);
1497 complete(&drv
->request_firmware_complete
);
1498 device_release_driver(drv
->trans
->dev
);
1500 for (i
= 0; i
< ARRAY_SIZE(pieces
->img
); i
++)
1501 kfree(pieces
->img
[i
].sec
);
1502 kfree(pieces
->dbg_mem_tlv
);
1506 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
)
1508 struct iwl_drv
*drv
;
1511 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1518 drv
->dev
= trans
->dev
;
1520 init_completion(&drv
->request_firmware_complete
);
1521 INIT_LIST_HEAD(&drv
->list
);
1523 #ifdef CONFIG_IWLWIFI_DEBUGFS
1524 /* Create the device debugfs entries. */
1525 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1528 if (!drv
->dbgfs_drv
) {
1529 IWL_ERR(drv
, "failed to create debugfs directory\n");
1534 /* Create transport layer debugfs dir */
1535 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1537 if (!drv
->trans
->dbgfs_dir
) {
1538 IWL_ERR(drv
, "failed to create transport debugfs directory\n");
1540 goto err_free_dbgfs
;
1544 ret
= iwl_request_firmware(drv
, true);
1546 IWL_ERR(trans
, "Couldn't request the fw\n");
1553 #ifdef CONFIG_IWLWIFI_DEBUGFS
1555 debugfs_remove_recursive(drv
->dbgfs_drv
);
1560 return ERR_PTR(ret
);
1563 void iwl_drv_stop(struct iwl_drv
*drv
)
1565 wait_for_completion(&drv
->request_firmware_complete
);
1567 _iwl_op_mode_stop(drv
);
1569 iwl_dealloc_ucode(drv
);
1571 mutex_lock(&iwlwifi_opmode_table_mtx
);
1573 * List is empty (this item wasn't added)
1574 * when firmware loading failed -- in that
1575 * case we can't remove it from any list.
1577 if (!list_empty(&drv
->list
))
1578 list_del(&drv
->list
);
1579 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1581 #ifdef CONFIG_IWLWIFI_DEBUGFS
1582 debugfs_remove_recursive(drv
->dbgfs_drv
);
1589 /* shared module parameters */
1590 struct iwl_mod_params iwlwifi_mod_params
= {
1592 .bt_coex_active
= true,
1593 .power_level
= IWL_POWER_INDEX_1
,
1594 .d0i3_disable
= true,
1595 .d0i3_entry_delay
= 1000,
1596 .uapsd_disable
= IWL_DISABLE_UAPSD_BSS
| IWL_DISABLE_UAPSD_P2P_CLIENT
,
1597 /* the rest are 0 by default */
1599 IWL_EXPORT_SYMBOL(iwlwifi_mod_params
);
1601 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1604 struct iwl_drv
*drv
;
1605 struct iwlwifi_opmode_table
*op
;
1607 mutex_lock(&iwlwifi_opmode_table_mtx
);
1608 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1609 op
= &iwlwifi_opmode_table
[i
];
1610 if (strcmp(op
->name
, name
))
1613 /* TODO: need to handle exceptional case */
1614 list_for_each_entry(drv
, &op
->drv
, list
)
1615 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1617 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1620 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1623 IWL_EXPORT_SYMBOL(iwl_opmode_register
);
1625 void iwl_opmode_deregister(const char *name
)
1628 struct iwl_drv
*drv
;
1630 mutex_lock(&iwlwifi_opmode_table_mtx
);
1631 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1632 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1634 iwlwifi_opmode_table
[i
].ops
= NULL
;
1636 /* call the stop routine for all devices */
1637 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1638 _iwl_op_mode_stop(drv
);
1640 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1643 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1645 IWL_EXPORT_SYMBOL(iwl_opmode_deregister
);
1647 static int __init
iwl_drv_init(void)
1651 mutex_init(&iwlwifi_opmode_table_mtx
);
1653 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1654 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1656 pr_info(DRV_DESCRIPTION
"\n");
1657 pr_info(DRV_COPYRIGHT
"\n");
1659 #ifdef CONFIG_IWLWIFI_DEBUGFS
1660 /* Create the root of iwlwifi debugfs subsystem. */
1661 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1663 if (!iwl_dbgfs_root
)
1667 return iwl_pci_register_driver();
1669 module_init(iwl_drv_init
);
1671 static void __exit
iwl_drv_exit(void)
1673 iwl_pci_unregister_driver();
1675 #ifdef CONFIG_IWLWIFI_DEBUGFS
1676 debugfs_remove_recursive(iwl_dbgfs_root
);
1679 module_exit(iwl_drv_exit
);
1681 #ifdef CONFIG_IWLWIFI_DEBUG
1682 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
,
1684 MODULE_PARM_DESC(debug
, "debug output mask");
1687 module_param_named(swcrypto
, iwlwifi_mod_params
.sw_crypto
, int, S_IRUGO
);
1688 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1689 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, S_IRUGO
);
1690 MODULE_PARM_DESC(11n_disable
,
1691 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1692 module_param_named(amsdu_size
, iwlwifi_mod_params
.amsdu_size
,
1694 MODULE_PARM_DESC(amsdu_size
,
1695 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)");
1696 module_param_named(fw_restart
, iwlwifi_mod_params
.restart_fw
, bool, S_IRUGO
);
1697 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error (default true)");
1699 module_param_named(antenna_coupling
, iwlwifi_mod_params
.ant_coupling
,
1701 MODULE_PARM_DESC(antenna_coupling
,
1702 "specify antenna coupling in dB (default: 0 dB)");
1704 module_param_named(nvm_file
, iwlwifi_mod_params
.nvm_file
, charp
, S_IRUGO
);
1705 MODULE_PARM_DESC(nvm_file
, "NVM file name");
1707 module_param_named(d0i3_disable
, iwlwifi_mod_params
.d0i3_disable
,
1709 MODULE_PARM_DESC(d0i3_disable
, "disable d0i3 functionality (default: Y)");
1711 module_param_named(lar_disable
, iwlwifi_mod_params
.lar_disable
,
1713 MODULE_PARM_DESC(lar_disable
, "disable LAR functionality (default: N)");
1715 module_param_named(uapsd_disable
, iwlwifi_mod_params
.uapsd_disable
,
1716 uint
, S_IRUGO
| S_IWUSR
);
1717 MODULE_PARM_DESC(uapsd_disable
,
1718 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1721 * set bt_coex_active to true, uCode will do kill/defer
1722 * every time the priority line is asserted (BT is sending signals on the
1723 * priority line in the PCIx).
1724 * set bt_coex_active to false, uCode will ignore the BT activity and
1725 * perform the normal operation
1727 * User might experience transmit issue on some platform due to WiFi/BT
1728 * co-exist problem. The possible behaviors are:
1729 * Able to scan and finding all the available AP
1730 * Not able to associate with any AP
1731 * On those platforms, WiFi communication can be restored by set
1732 * "bt_coex_active" module parameter to "false"
1734 * default: bt_coex_active = true (BT_COEX_ENABLE)
1736 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1738 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1740 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, S_IRUGO
);
1741 MODULE_PARM_DESC(led_mode
, "0=system default, "
1742 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1744 module_param_named(power_save
, iwlwifi_mod_params
.power_save
,
1746 MODULE_PARM_DESC(power_save
,
1747 "enable WiFi power management (default: disable)");
1749 module_param_named(power_level
, iwlwifi_mod_params
.power_level
,
1751 MODULE_PARM_DESC(power_level
,
1752 "default power save level (range from 1 - 5, default: 1)");
1754 module_param_named(fw_monitor
, iwlwifi_mod_params
.fw_monitor
, bool, S_IRUGO
);
1755 MODULE_PARM_DESC(fw_monitor
,
1756 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1758 module_param_named(d0i3_timeout
, iwlwifi_mod_params
.d0i3_entry_delay
,
1760 MODULE_PARM_DESC(d0i3_timeout
, "Timeout to D0i3 entry when idle (ms)");
1762 module_param_named(disable_11ac
, iwlwifi_mod_params
.disable_11ac
, bool,
1764 MODULE_PARM_DESC(disable_11ac
, "Disable VHT capabilities (default: false)");