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
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 - 2017 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 struct iwl_cfg
*cfg
= drv
->trans
->cfg
;
216 const char *fw_pre_name
;
218 if (drv
->trans
->cfg
->device_family
== IWL_DEVICE_FAMILY_9000
&&
219 CSR_HW_REV_STEP(drv
->trans
->hw_rev
) == SILICON_B_STEP
)
220 fw_pre_name
= cfg
->fw_name_pre_next_step
;
221 else if (drv
->trans
->cfg
->integrated
&&
222 CSR_HW_RFID_STEP(drv
->trans
->hw_rf_id
) == SILICON_B_STEP
&&
223 cfg
->fw_name_pre_rf_next_step
)
224 fw_pre_name
= cfg
->fw_name_pre_rf_next_step
;
226 fw_pre_name
= cfg
->fw_name_pre
;
229 drv
->fw_index
= cfg
->ucode_api_max
;
230 sprintf(tag
, "%d", drv
->fw_index
);
233 sprintf(tag
, "%d", drv
->fw_index
);
236 if (drv
->fw_index
< cfg
->ucode_api_min
) {
237 IWL_ERR(drv
, "no suitable firmware found!\n");
239 if (cfg
->ucode_api_min
== cfg
->ucode_api_max
) {
240 IWL_ERR(drv
, "%s%d is required\n", fw_pre_name
,
243 IWL_ERR(drv
, "minimum version required: %s%d\n",
246 IWL_ERR(drv
, "maximum version supported: %s%d\n",
252 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
256 snprintf(drv
->firmware_name
, sizeof(drv
->firmware_name
), "%s%s.ucode",
259 IWL_DEBUG_INFO(drv
, "attempting to load firmware '%s'\n",
262 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
264 GFP_KERNEL
, drv
, iwl_req_fw_callback
);
267 struct fw_img_parsing
{
273 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
275 struct fw_sec_parsing
{
281 * struct iwl_tlv_calib_data - parse the default calib data from TLV
283 * @ucode_type: the uCode to which the following default calib relates.
284 * @calib: default calibrations.
286 struct iwl_tlv_calib_data
{
288 struct iwl_tlv_calib_ctrl calib
;
291 struct iwl_firmware_pieces
{
292 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
294 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
295 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
297 /* FW debug data parsed for driver usage */
298 struct iwl_fw_dbg_dest_tlv
*dbg_dest_tlv
;
299 struct iwl_fw_dbg_conf_tlv
*dbg_conf_tlv
[FW_DBG_CONF_MAX
];
300 size_t dbg_conf_tlv_len
[FW_DBG_CONF_MAX
];
301 struct iwl_fw_dbg_trigger_tlv
*dbg_trigger_tlv
[FW_DBG_TRIGGER_MAX
];
302 size_t dbg_trigger_tlv_len
[FW_DBG_TRIGGER_MAX
];
303 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem_tlv
;
304 size_t n_dbg_mem_tlv
;
308 * These functions are just to extract uCode section data from the pieces
311 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
312 enum iwl_ucode_type type
,
315 return &pieces
->img
[type
].sec
[sec
];
318 static void alloc_sec_data(struct iwl_firmware_pieces
*pieces
,
319 enum iwl_ucode_type type
,
322 struct fw_img_parsing
*img
= &pieces
->img
[type
];
323 struct fw_sec
*sec_memory
;
325 size_t alloc_size
= sizeof(*img
->sec
) * size
;
327 if (img
->sec
&& img
->sec_counter
>= size
)
330 sec_memory
= krealloc(img
->sec
, alloc_size
, GFP_KERNEL
);
334 img
->sec
= sec_memory
;
335 img
->sec_counter
= size
;
338 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
339 enum iwl_ucode_type type
,
343 alloc_sec_data(pieces
, type
, sec
);
345 pieces
->img
[type
].sec
[sec
].data
= data
;
348 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
349 enum iwl_ucode_type type
,
353 alloc_sec_data(pieces
, type
, sec
);
355 pieces
->img
[type
].sec
[sec
].size
= size
;
358 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
359 enum iwl_ucode_type type
,
362 return pieces
->img
[type
].sec
[sec
].size
;
365 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
366 enum iwl_ucode_type type
,
370 alloc_sec_data(pieces
, type
, sec
);
372 pieces
->img
[type
].sec
[sec
].offset
= offset
;
375 static int iwl_store_cscheme(struct iwl_fw
*fw
, const u8
*data
, const u32 len
)
378 struct iwl_fw_cscheme_list
*l
= (struct iwl_fw_cscheme_list
*)data
;
379 struct iwl_fw_cipher_scheme
*fwcs
;
381 if (len
< sizeof(*l
) ||
382 len
< sizeof(l
->size
) + l
->size
* sizeof(l
->cs
[0]))
385 for (i
= 0, j
= 0; i
< IWL_UCODE_MAX_CS
&& i
< l
->size
; i
++) {
388 /* we skip schemes with zero cipher suite selector */
398 static void iwl_store_gscan_capa(struct iwl_fw
*fw
, const u8
*data
,
401 struct iwl_fw_gscan_capabilities
*fw_capa
= (void *)data
;
402 struct iwl_gscan_capabilities
*capa
= &fw
->gscan_capa
;
404 capa
->max_scan_cache_size
= le32_to_cpu(fw_capa
->max_scan_cache_size
);
405 capa
->max_scan_buckets
= le32_to_cpu(fw_capa
->max_scan_buckets
);
406 capa
->max_ap_cache_per_scan
=
407 le32_to_cpu(fw_capa
->max_ap_cache_per_scan
);
408 capa
->max_rssi_sample_size
= le32_to_cpu(fw_capa
->max_rssi_sample_size
);
409 capa
->max_scan_reporting_threshold
=
410 le32_to_cpu(fw_capa
->max_scan_reporting_threshold
);
411 capa
->max_hotlist_aps
= le32_to_cpu(fw_capa
->max_hotlist_aps
);
412 capa
->max_significant_change_aps
=
413 le32_to_cpu(fw_capa
->max_significant_change_aps
);
414 capa
->max_bssid_history_entries
=
415 le32_to_cpu(fw_capa
->max_bssid_history_entries
);
416 capa
->max_hotlist_ssids
= le32_to_cpu(fw_capa
->max_hotlist_ssids
);
417 capa
->max_number_epno_networks
=
418 le32_to_cpu(fw_capa
->max_number_epno_networks
);
419 capa
->max_number_epno_networks_by_ssid
=
420 le32_to_cpu(fw_capa
->max_number_epno_networks_by_ssid
);
421 capa
->max_number_of_white_listed_ssid
=
422 le32_to_cpu(fw_capa
->max_number_of_white_listed_ssid
);
423 capa
->max_number_of_black_listed_ssid
=
424 le32_to_cpu(fw_capa
->max_number_of_black_listed_ssid
);
428 * Gets uCode section from tlv.
430 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
431 const void *data
, enum iwl_ucode_type type
,
434 struct fw_img_parsing
*img
;
436 struct fw_sec_parsing
*sec_parse
;
439 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
442 sec_parse
= (struct fw_sec_parsing
*)data
;
444 img
= &pieces
->img
[type
];
446 alloc_size
= sizeof(*img
->sec
) * (img
->sec_counter
+ 1);
447 sec
= krealloc(img
->sec
, alloc_size
, GFP_KERNEL
);
452 sec
= &img
->sec
[img
->sec_counter
];
454 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
455 sec
->data
= sec_parse
->data
;
456 sec
->size
= size
- sizeof(sec_parse
->offset
);
463 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
465 struct iwl_tlv_calib_data
*def_calib
=
466 (struct iwl_tlv_calib_data
*)data
;
467 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
468 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
469 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
473 drv
->fw
.default_calib
[ucode_type
].flow_trigger
=
474 def_calib
->calib
.flow_trigger
;
475 drv
->fw
.default_calib
[ucode_type
].event_trigger
=
476 def_calib
->calib
.event_trigger
;
481 static int iwl_set_ucode_api_flags(struct iwl_drv
*drv
, const u8
*data
,
482 struct iwl_ucode_capabilities
*capa
)
484 const struct iwl_ucode_api
*ucode_api
= (void *)data
;
485 u32 api_index
= le32_to_cpu(ucode_api
->api_index
);
486 u32 api_flags
= le32_to_cpu(ucode_api
->api_flags
);
489 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API
, 32)) {
491 "api flags index %d larger than supported by driver\n",
493 /* don't return an error so we can load FW that has more bits */
497 for (i
= 0; i
< 32; i
++) {
498 if (api_flags
& BIT(i
))
499 __set_bit(i
+ 32 * api_index
, capa
->_api
);
505 static int iwl_set_ucode_capabilities(struct iwl_drv
*drv
, const u8
*data
,
506 struct iwl_ucode_capabilities
*capa
)
508 const struct iwl_ucode_capa
*ucode_capa
= (void *)data
;
509 u32 api_index
= le32_to_cpu(ucode_capa
->api_index
);
510 u32 api_flags
= le32_to_cpu(ucode_capa
->api_capa
);
513 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA
, 32)) {
515 "capa flags index %d larger than supported by driver\n",
517 /* don't return an error so we can load FW that has more bits */
521 for (i
= 0; i
< 32; i
++) {
522 if (api_flags
& BIT(i
))
523 __set_bit(i
+ 32 * api_index
, capa
->_capa
);
529 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
530 const struct firmware
*ucode_raw
,
531 struct iwl_firmware_pieces
*pieces
)
533 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
534 u32 api_ver
, hdr_size
, build
;
538 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
539 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
544 if (ucode_raw
->size
< hdr_size
) {
545 IWL_ERR(drv
, "File size too small!\n");
548 build
= le32_to_cpu(ucode
->u
.v2
.build
);
549 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
550 le32_to_cpu(ucode
->u
.v2
.inst_size
));
551 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
552 le32_to_cpu(ucode
->u
.v2
.data_size
));
553 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
554 le32_to_cpu(ucode
->u
.v2
.init_size
));
555 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
556 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
557 src
= ucode
->u
.v2
.data
;
563 if (ucode_raw
->size
< hdr_size
) {
564 IWL_ERR(drv
, "File size too small!\n");
568 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
569 le32_to_cpu(ucode
->u
.v1
.inst_size
));
570 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
571 le32_to_cpu(ucode
->u
.v1
.data_size
));
572 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
573 le32_to_cpu(ucode
->u
.v1
.init_size
));
574 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
575 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
576 src
= ucode
->u
.v1
.data
;
581 sprintf(buildstr
, " build %u", build
);
585 snprintf(drv
->fw
.fw_version
,
586 sizeof(drv
->fw
.fw_version
),
588 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
589 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
590 IWL_UCODE_API(drv
->fw
.ucode_ver
),
591 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
594 /* Verify size of file vs. image size info in file's header */
596 if (ucode_raw
->size
!= hdr_size
+
597 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
598 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
599 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
600 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
603 "uCode file size %d does not match expected size\n",
604 (int)ucode_raw
->size
);
609 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
610 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
611 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
612 IWLAGN_RTC_INST_LOWER_BOUND
);
613 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
614 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
615 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
616 IWLAGN_RTC_DATA_LOWER_BOUND
);
617 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
618 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
619 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
620 IWLAGN_RTC_INST_LOWER_BOUND
);
621 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
622 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
623 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
624 IWLAGN_RTC_DATA_LOWER_BOUND
);
628 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
629 const struct firmware
*ucode_raw
,
630 struct iwl_firmware_pieces
*pieces
,
631 struct iwl_ucode_capabilities
*capa
,
632 bool *usniffer_images
)
634 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
635 struct iwl_ucode_tlv
*tlv
;
636 size_t len
= ucode_raw
->size
;
640 enum iwl_ucode_tlv_type tlv_type
;
643 u32 build
, paging_mem_size
;
645 bool usniffer_req
= false;
646 bool gscan_capa
= false;
648 if (len
< sizeof(*ucode
)) {
649 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
653 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
654 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
655 le32_to_cpu(ucode
->magic
));
659 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
660 memcpy(drv
->fw
.human_readable
, ucode
->human_readable
,
661 sizeof(drv
->fw
.human_readable
));
662 build
= le32_to_cpu(ucode
->build
);
665 sprintf(buildstr
, " build %u", build
);
669 snprintf(drv
->fw
.fw_version
,
670 sizeof(drv
->fw
.fw_version
),
672 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
673 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
674 IWL_UCODE_API(drv
->fw
.ucode_ver
),
675 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
680 len
-= sizeof(*ucode
);
682 while (len
>= sizeof(*tlv
)) {
686 tlv_len
= le32_to_cpu(tlv
->length
);
687 tlv_type
= le32_to_cpu(tlv
->type
);
688 tlv_data
= tlv
->data
;
691 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
695 len
-= ALIGN(tlv_len
, 4);
696 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
699 case IWL_UCODE_TLV_INST
:
700 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
701 IWL_UCODE_SECTION_INST
, tlv_data
);
702 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
703 IWL_UCODE_SECTION_INST
, tlv_len
);
704 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
705 IWL_UCODE_SECTION_INST
,
706 IWLAGN_RTC_INST_LOWER_BOUND
);
708 case IWL_UCODE_TLV_DATA
:
709 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
710 IWL_UCODE_SECTION_DATA
, tlv_data
);
711 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
712 IWL_UCODE_SECTION_DATA
, tlv_len
);
713 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
714 IWL_UCODE_SECTION_DATA
,
715 IWLAGN_RTC_DATA_LOWER_BOUND
);
717 case IWL_UCODE_TLV_INIT
:
718 set_sec_data(pieces
, IWL_UCODE_INIT
,
719 IWL_UCODE_SECTION_INST
, tlv_data
);
720 set_sec_size(pieces
, IWL_UCODE_INIT
,
721 IWL_UCODE_SECTION_INST
, tlv_len
);
722 set_sec_offset(pieces
, IWL_UCODE_INIT
,
723 IWL_UCODE_SECTION_INST
,
724 IWLAGN_RTC_INST_LOWER_BOUND
);
726 case IWL_UCODE_TLV_INIT_DATA
:
727 set_sec_data(pieces
, IWL_UCODE_INIT
,
728 IWL_UCODE_SECTION_DATA
, tlv_data
);
729 set_sec_size(pieces
, IWL_UCODE_INIT
,
730 IWL_UCODE_SECTION_DATA
, tlv_len
);
731 set_sec_offset(pieces
, IWL_UCODE_INIT
,
732 IWL_UCODE_SECTION_DATA
,
733 IWLAGN_RTC_DATA_LOWER_BOUND
);
735 case IWL_UCODE_TLV_BOOT
:
736 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
738 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
739 if (tlv_len
!= sizeof(u32
))
740 goto invalid_tlv_len
;
741 capa
->max_probe_length
=
742 le32_to_cpup((__le32
*)tlv_data
);
744 case IWL_UCODE_TLV_PAN
:
746 goto invalid_tlv_len
;
747 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
749 case IWL_UCODE_TLV_FLAGS
:
750 /* must be at least one u32 */
751 if (tlv_len
< sizeof(u32
))
752 goto invalid_tlv_len
;
753 /* and a proper number of u32s */
754 if (tlv_len
% sizeof(u32
))
755 goto invalid_tlv_len
;
757 * This driver only reads the first u32 as
758 * right now no more features are defined,
759 * if that changes then either the driver
760 * will not work with the new firmware, or
761 * it'll not take advantage of new features.
763 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
765 case IWL_UCODE_TLV_API_CHANGES_SET
:
766 if (tlv_len
!= sizeof(struct iwl_ucode_api
))
767 goto invalid_tlv_len
;
768 if (iwl_set_ucode_api_flags(drv
, tlv_data
, capa
))
771 case IWL_UCODE_TLV_ENABLED_CAPABILITIES
:
772 if (tlv_len
!= sizeof(struct iwl_ucode_capa
))
773 goto invalid_tlv_len
;
774 if (iwl_set_ucode_capabilities(drv
, tlv_data
, capa
))
777 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
778 if (tlv_len
!= sizeof(u32
))
779 goto invalid_tlv_len
;
780 pieces
->init_evtlog_ptr
=
781 le32_to_cpup((__le32
*)tlv_data
);
783 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
784 if (tlv_len
!= sizeof(u32
))
785 goto invalid_tlv_len
;
786 pieces
->init_evtlog_size
=
787 le32_to_cpup((__le32
*)tlv_data
);
789 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
790 if (tlv_len
!= sizeof(u32
))
791 goto invalid_tlv_len
;
792 pieces
->init_errlog_ptr
=
793 le32_to_cpup((__le32
*)tlv_data
);
795 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
796 if (tlv_len
!= sizeof(u32
))
797 goto invalid_tlv_len
;
798 pieces
->inst_evtlog_ptr
=
799 le32_to_cpup((__le32
*)tlv_data
);
801 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
802 if (tlv_len
!= sizeof(u32
))
803 goto invalid_tlv_len
;
804 pieces
->inst_evtlog_size
=
805 le32_to_cpup((__le32
*)tlv_data
);
807 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
808 if (tlv_len
!= sizeof(u32
))
809 goto invalid_tlv_len
;
810 pieces
->inst_errlog_ptr
=
811 le32_to_cpup((__le32
*)tlv_data
);
813 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
815 goto invalid_tlv_len
;
816 drv
->fw
.enhance_sensitivity_table
= true;
818 case IWL_UCODE_TLV_WOWLAN_INST
:
819 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
820 IWL_UCODE_SECTION_INST
, tlv_data
);
821 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
822 IWL_UCODE_SECTION_INST
, tlv_len
);
823 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
824 IWL_UCODE_SECTION_INST
,
825 IWLAGN_RTC_INST_LOWER_BOUND
);
827 case IWL_UCODE_TLV_WOWLAN_DATA
:
828 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
829 IWL_UCODE_SECTION_DATA
, tlv_data
);
830 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
831 IWL_UCODE_SECTION_DATA
, tlv_len
);
832 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
833 IWL_UCODE_SECTION_DATA
,
834 IWLAGN_RTC_DATA_LOWER_BOUND
);
836 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
837 if (tlv_len
!= sizeof(u32
))
838 goto invalid_tlv_len
;
839 capa
->standard_phy_calibration_size
=
840 le32_to_cpup((__le32
*)tlv_data
);
842 case IWL_UCODE_TLV_SEC_RT
:
843 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
845 drv
->fw
.type
= IWL_FW_MVM
;
847 case IWL_UCODE_TLV_SEC_INIT
:
848 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
850 drv
->fw
.type
= IWL_FW_MVM
;
852 case IWL_UCODE_TLV_SEC_WOWLAN
:
853 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
855 drv
->fw
.type
= IWL_FW_MVM
;
857 case IWL_UCODE_TLV_DEF_CALIB
:
858 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
859 goto invalid_tlv_len
;
860 if (iwl_set_default_calib(drv
, tlv_data
))
863 case IWL_UCODE_TLV_PHY_SKU
:
864 if (tlv_len
!= sizeof(u32
))
865 goto invalid_tlv_len
;
866 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
867 drv
->fw
.valid_tx_ant
= (drv
->fw
.phy_config
&
868 FW_PHY_CFG_TX_CHAIN
) >>
869 FW_PHY_CFG_TX_CHAIN_POS
;
870 drv
->fw
.valid_rx_ant
= (drv
->fw
.phy_config
&
871 FW_PHY_CFG_RX_CHAIN
) >>
872 FW_PHY_CFG_RX_CHAIN_POS
;
874 case IWL_UCODE_TLV_SECURE_SEC_RT
:
875 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
877 drv
->fw
.type
= IWL_FW_MVM
;
879 case IWL_UCODE_TLV_SECURE_SEC_INIT
:
880 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
882 drv
->fw
.type
= IWL_FW_MVM
;
884 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN
:
885 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
887 drv
->fw
.type
= IWL_FW_MVM
;
889 case IWL_UCODE_TLV_NUM_OF_CPU
:
890 if (tlv_len
!= sizeof(u32
))
891 goto invalid_tlv_len
;
893 le32_to_cpup((__le32
*)tlv_data
);
895 if (num_of_cpus
== 2) {
896 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_dual_cpus
=
898 drv
->fw
.img
[IWL_UCODE_INIT
].is_dual_cpus
=
900 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_dual_cpus
=
902 } else if ((num_of_cpus
> 2) || (num_of_cpus
< 1)) {
903 IWL_ERR(drv
, "Driver support upto 2 CPUs\n");
907 case IWL_UCODE_TLV_CSCHEME
:
908 if (iwl_store_cscheme(&drv
->fw
, tlv_data
, tlv_len
))
909 goto invalid_tlv_len
;
911 case IWL_UCODE_TLV_N_SCAN_CHANNELS
:
912 if (tlv_len
!= sizeof(u32
))
913 goto invalid_tlv_len
;
914 capa
->n_scan_channels
=
915 le32_to_cpup((__le32
*)tlv_data
);
917 case IWL_UCODE_TLV_FW_VERSION
: {
918 __le32
*ptr
= (void *)tlv_data
;
922 if (tlv_len
!= sizeof(u32
) * 3)
923 goto invalid_tlv_len
;
925 major
= le32_to_cpup(ptr
++);
926 minor
= le32_to_cpup(ptr
++);
927 local_comp
= le32_to_cpup(ptr
);
929 snprintf(drv
->fw
.fw_version
,
930 sizeof(drv
->fw
.fw_version
), "%u.%u.%u",
931 major
, minor
, local_comp
);
934 case IWL_UCODE_TLV_FW_DBG_DEST
: {
935 struct iwl_fw_dbg_dest_tlv
*dest
= (void *)tlv_data
;
937 if (pieces
->dbg_dest_tlv
) {
939 "dbg destination ignored, already exists\n");
943 pieces
->dbg_dest_tlv
= dest
;
944 IWL_INFO(drv
, "Found debug destination: %s\n",
945 get_fw_dbg_mode_string(dest
->monitor_mode
));
947 drv
->fw
.dbg_dest_reg_num
=
948 tlv_len
- offsetof(struct iwl_fw_dbg_dest_tlv
,
950 drv
->fw
.dbg_dest_reg_num
/=
951 sizeof(drv
->fw
.dbg_dest_tlv
->reg_ops
[0]);
955 case IWL_UCODE_TLV_FW_DBG_CONF
: {
956 struct iwl_fw_dbg_conf_tlv
*conf
= (void *)tlv_data
;
958 if (!pieces
->dbg_dest_tlv
) {
960 "Ignore dbg config %d - no destination configured\n",
965 if (conf
->id
>= ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
)) {
967 "Skip unknown configuration: %d\n",
972 if (pieces
->dbg_conf_tlv
[conf
->id
]) {
974 "Ignore duplicate dbg config %d\n",
982 IWL_INFO(drv
, "Found debug configuration: %d\n",
985 pieces
->dbg_conf_tlv
[conf
->id
] = conf
;
986 pieces
->dbg_conf_tlv_len
[conf
->id
] = tlv_len
;
989 case IWL_UCODE_TLV_FW_DBG_TRIGGER
: {
990 struct iwl_fw_dbg_trigger_tlv
*trigger
=
992 u32 trigger_id
= le32_to_cpu(trigger
->id
);
994 if (trigger_id
>= ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
)) {
996 "Skip unknown trigger: %u\n",
1001 if (pieces
->dbg_trigger_tlv
[trigger_id
]) {
1003 "Ignore duplicate dbg trigger %u\n",
1008 IWL_INFO(drv
, "Found debug trigger: %u\n", trigger
->id
);
1010 pieces
->dbg_trigger_tlv
[trigger_id
] = trigger
;
1011 pieces
->dbg_trigger_tlv_len
[trigger_id
] = tlv_len
;
1014 case IWL_UCODE_TLV_SEC_RT_USNIFFER
:
1015 *usniffer_images
= true;
1016 iwl_store_ucode_sec(pieces
, tlv_data
,
1017 IWL_UCODE_REGULAR_USNIFFER
,
1020 case IWL_UCODE_TLV_PAGING
:
1021 if (tlv_len
!= sizeof(u32
))
1022 goto invalid_tlv_len
;
1023 paging_mem_size
= le32_to_cpup((__le32
*)tlv_data
);
1026 "Paging: paging enabled (size = %u bytes)\n",
1029 if (paging_mem_size
> MAX_PAGING_IMAGE_SIZE
) {
1031 "Paging: driver supports up to %lu bytes for paging image\n",
1032 MAX_PAGING_IMAGE_SIZE
);
1036 if (paging_mem_size
& (FW_PAGING_SIZE
- 1)) {
1038 "Paging: image isn't multiple %lu\n",
1043 drv
->fw
.img
[IWL_UCODE_REGULAR
].paging_mem_size
=
1045 usniffer_img
= IWL_UCODE_REGULAR_USNIFFER
;
1046 drv
->fw
.img
[usniffer_img
].paging_mem_size
=
1049 case IWL_UCODE_TLV_SDIO_ADMA_ADDR
:
1050 if (tlv_len
!= sizeof(u32
))
1051 goto invalid_tlv_len
;
1052 drv
->fw
.sdio_adma_addr
=
1053 le32_to_cpup((__le32
*)tlv_data
);
1055 case IWL_UCODE_TLV_FW_GSCAN_CAPA
:
1057 * Don't return an error in case of a shorter tlv_len
1058 * to enable loading of FW that has an old format
1059 * of GSCAN capabilities TLV.
1061 if (tlv_len
< sizeof(struct iwl_fw_gscan_capabilities
))
1064 iwl_store_gscan_capa(&drv
->fw
, tlv_data
, tlv_len
);
1067 case IWL_UCODE_TLV_FW_MEM_SEG
: {
1068 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem
=
1072 struct iwl_fw_dbg_mem_seg_tlv
*n
;
1074 if (tlv_len
!= (sizeof(*dbg_mem
)))
1075 goto invalid_tlv_len
;
1077 type
= le32_to_cpu(dbg_mem
->data_type
);
1079 IWL_DEBUG_INFO(drv
, "Found debug memory segment: %u\n",
1080 dbg_mem
->data_type
);
1082 switch (type
& FW_DBG_MEM_TYPE_MASK
) {
1083 case FW_DBG_MEM_TYPE_REGULAR
:
1084 case FW_DBG_MEM_TYPE_PRPH
:
1085 /* we know how to handle these */
1089 "Found debug memory segment with invalid type: 0x%x\n",
1094 size
= sizeof(*pieces
->dbg_mem_tlv
) *
1095 (pieces
->n_dbg_mem_tlv
+ 1);
1096 n
= krealloc(pieces
->dbg_mem_tlv
, size
, GFP_KERNEL
);
1099 pieces
->dbg_mem_tlv
= n
;
1100 pieces
->dbg_mem_tlv
[pieces
->n_dbg_mem_tlv
] = *dbg_mem
;
1101 pieces
->n_dbg_mem_tlv
++;
1105 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
1110 if (!fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED
) &&
1111 usniffer_req
&& !*usniffer_images
) {
1113 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1118 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
1119 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
1124 * If ucode advertises that it supports GSCAN but GSCAN
1125 * capabilities TLV is not present, or if it has an old format,
1126 * warn and continue without GSCAN.
1128 if (fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
) &&
1131 "GSCAN is supported but capabilities TLV is unavailable\n");
1132 __clear_bit((__force
long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
,
1139 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
1141 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
1146 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
1147 struct iwl_firmware_pieces
*pieces
,
1148 enum iwl_ucode_type type
)
1151 struct fw_desc
*sec
;
1153 sec
= kcalloc(pieces
->img
[type
].sec_counter
, sizeof(*sec
), GFP_KERNEL
);
1156 drv
->fw
.img
[type
].sec
= sec
;
1157 drv
->fw
.img
[type
].num_sec
= pieces
->img
[type
].sec_counter
;
1159 for (i
= 0; i
< pieces
->img
[type
].sec_counter
; i
++)
1160 if (iwl_alloc_fw_desc(drv
, &sec
[i
], get_sec(pieces
, type
, i
)))
1166 static int validate_sec_sizes(struct iwl_drv
*drv
,
1167 struct iwl_firmware_pieces
*pieces
,
1168 const struct iwl_cfg
*cfg
)
1170 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %zd\n",
1171 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1172 IWL_UCODE_SECTION_INST
));
1173 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %zd\n",
1174 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1175 IWL_UCODE_SECTION_DATA
));
1176 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %zd\n",
1177 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
1178 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %zd\n",
1179 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
1181 /* Verify that uCode images will fit in card's SRAM. */
1182 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
1183 cfg
->max_inst_size
) {
1184 IWL_ERR(drv
, "uCode instr len %zd too large to fit in\n",
1185 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1186 IWL_UCODE_SECTION_INST
));
1190 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
1191 cfg
->max_data_size
) {
1192 IWL_ERR(drv
, "uCode data len %zd too large to fit in\n",
1193 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1194 IWL_UCODE_SECTION_DATA
));
1198 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
1199 cfg
->max_inst_size
) {
1200 IWL_ERR(drv
, "uCode init instr len %zd too large to fit in\n",
1201 get_sec_size(pieces
, IWL_UCODE_INIT
,
1202 IWL_UCODE_SECTION_INST
));
1206 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
1207 cfg
->max_data_size
) {
1208 IWL_ERR(drv
, "uCode init data len %zd too large to fit in\n",
1209 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1210 IWL_UCODE_SECTION_DATA
));
1216 static struct iwl_op_mode
*
1217 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
1219 const struct iwl_op_mode_ops
*ops
= op
->ops
;
1220 struct dentry
*dbgfs_dir
= NULL
;
1221 struct iwl_op_mode
*op_mode
= NULL
;
1223 #ifdef CONFIG_IWLWIFI_DEBUGFS
1224 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
1226 if (!drv
->dbgfs_op_mode
) {
1228 "failed to create opmode debugfs directory\n");
1231 dbgfs_dir
= drv
->dbgfs_op_mode
;
1234 op_mode
= ops
->start(drv
->trans
, drv
->trans
->cfg
, &drv
->fw
, dbgfs_dir
);
1236 #ifdef CONFIG_IWLWIFI_DEBUGFS
1238 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1239 drv
->dbgfs_op_mode
= NULL
;
1246 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
1248 /* op_mode can be NULL if its start failed */
1250 iwl_op_mode_stop(drv
->op_mode
);
1251 drv
->op_mode
= NULL
;
1253 #ifdef CONFIG_IWLWIFI_DEBUGFS
1254 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1255 drv
->dbgfs_op_mode
= NULL
;
1261 * iwl_req_fw_callback - callback when firmware was loaded
1263 * If loaded successfully, copies the firmware into buffers
1264 * for the card to fetch (via DMA).
1266 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
1268 struct iwl_drv
*drv
= context
;
1269 struct iwl_fw
*fw
= &drv
->fw
;
1270 struct iwl_ucode_header
*ucode
;
1271 struct iwlwifi_opmode_table
*op
;
1273 struct iwl_firmware_pieces
*pieces
;
1274 const unsigned int api_max
= drv
->trans
->cfg
->ucode_api_max
;
1275 const unsigned int api_min
= drv
->trans
->cfg
->ucode_api_min
;
1276 size_t trigger_tlv_sz
[FW_DBG_TRIGGER_MAX
];
1279 bool load_module
= false;
1280 bool usniffer_images
= false;
1282 fw
->ucode_capa
.max_probe_length
= IWL_DEFAULT_MAX_PROBE_LENGTH
;
1283 fw
->ucode_capa
.standard_phy_calibration_size
=
1284 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1285 fw
->ucode_capa
.n_scan_channels
= IWL_DEFAULT_SCAN_CHANNELS
;
1287 pieces
= kzalloc(sizeof(*pieces
), GFP_KERNEL
);
1294 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
1295 drv
->firmware_name
, ucode_raw
->size
);
1297 /* Make sure that we got at least the API version number */
1298 if (ucode_raw
->size
< 4) {
1299 IWL_ERR(drv
, "File size way too small!\n");
1303 /* Data from ucode file: header followed by uCode images */
1304 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
1307 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, pieces
);
1309 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, pieces
,
1310 &fw
->ucode_capa
, &usniffer_images
);
1315 if (fw_has_api(&drv
->fw
.ucode_capa
, IWL_UCODE_TLV_API_NEW_VERSION
))
1316 api_ver
= drv
->fw
.ucode_ver
;
1318 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
1321 * api_ver should match the api version forming part of the
1322 * firmware filename ... but we don't check for that and only rely
1323 * on the API version read from firmware header from here on forward
1325 if (api_ver
< api_min
|| api_ver
> api_max
) {
1327 "Driver unable to support your firmware API. "
1328 "Driver supports v%u, firmware is v%u.\n",
1334 * In mvm uCode there is no difference between data and instructions
1337 if (fw
->type
== IWL_FW_DVM
&& validate_sec_sizes(drv
, pieces
,
1341 /* Allocate ucode buffers for card's bus-master loading ... */
1343 /* Runtime instructions and 2 copies of data:
1344 * 1) unmodified from disk
1345 * 2) backup cache for save/restore during power-downs */
1346 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
1347 if (iwl_alloc_ucode(drv
, pieces
, i
))
1350 if (pieces
->dbg_dest_tlv
) {
1351 drv
->fw
.dbg_dest_tlv
=
1352 kmemdup(pieces
->dbg_dest_tlv
,
1353 sizeof(*pieces
->dbg_dest_tlv
) +
1354 sizeof(pieces
->dbg_dest_tlv
->reg_ops
[0]) *
1355 drv
->fw
.dbg_dest_reg_num
, GFP_KERNEL
);
1357 if (!drv
->fw
.dbg_dest_tlv
)
1361 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++) {
1362 if (pieces
->dbg_conf_tlv
[i
]) {
1363 drv
->fw
.dbg_conf_tlv_len
[i
] =
1364 pieces
->dbg_conf_tlv_len
[i
];
1365 drv
->fw
.dbg_conf_tlv
[i
] =
1366 kmemdup(pieces
->dbg_conf_tlv
[i
],
1367 drv
->fw
.dbg_conf_tlv_len
[i
],
1369 if (!drv
->fw
.dbg_conf_tlv
[i
])
1374 memset(&trigger_tlv_sz
, 0xff, sizeof(trigger_tlv_sz
));
1376 trigger_tlv_sz
[FW_DBG_TRIGGER_MISSED_BEACONS
] =
1377 sizeof(struct iwl_fw_dbg_trigger_missed_bcon
);
1378 trigger_tlv_sz
[FW_DBG_TRIGGER_CHANNEL_SWITCH
] = 0;
1379 trigger_tlv_sz
[FW_DBG_TRIGGER_FW_NOTIF
] =
1380 sizeof(struct iwl_fw_dbg_trigger_cmd
);
1381 trigger_tlv_sz
[FW_DBG_TRIGGER_MLME
] =
1382 sizeof(struct iwl_fw_dbg_trigger_mlme
);
1383 trigger_tlv_sz
[FW_DBG_TRIGGER_STATS
] =
1384 sizeof(struct iwl_fw_dbg_trigger_stats
);
1385 trigger_tlv_sz
[FW_DBG_TRIGGER_RSSI
] =
1386 sizeof(struct iwl_fw_dbg_trigger_low_rssi
);
1387 trigger_tlv_sz
[FW_DBG_TRIGGER_TXQ_TIMERS
] =
1388 sizeof(struct iwl_fw_dbg_trigger_txq_timer
);
1389 trigger_tlv_sz
[FW_DBG_TRIGGER_TIME_EVENT
] =
1390 sizeof(struct iwl_fw_dbg_trigger_time_event
);
1391 trigger_tlv_sz
[FW_DBG_TRIGGER_BA
] =
1392 sizeof(struct iwl_fw_dbg_trigger_ba
);
1393 trigger_tlv_sz
[FW_DBG_TRIGGER_TDLS
] =
1394 sizeof(struct iwl_fw_dbg_trigger_tdls
);
1396 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++) {
1397 if (pieces
->dbg_trigger_tlv
[i
]) {
1399 * If the trigger isn't long enough, WARN and exit.
1400 * Someone is trying to debug something and he won't
1401 * be able to catch the bug he is trying to chase.
1402 * We'd better be noisy to be sure he knows what's
1405 if (WARN_ON(pieces
->dbg_trigger_tlv_len
[i
] <
1406 (trigger_tlv_sz
[i
] +
1407 sizeof(struct iwl_fw_dbg_trigger_tlv
))))
1409 drv
->fw
.dbg_trigger_tlv_len
[i
] =
1410 pieces
->dbg_trigger_tlv_len
[i
];
1411 drv
->fw
.dbg_trigger_tlv
[i
] =
1412 kmemdup(pieces
->dbg_trigger_tlv
[i
],
1413 drv
->fw
.dbg_trigger_tlv_len
[i
],
1415 if (!drv
->fw
.dbg_trigger_tlv
[i
])
1420 /* Now that we can no longer fail, copy information */
1422 drv
->fw
.dbg_mem_tlv
= pieces
->dbg_mem_tlv
;
1423 pieces
->dbg_mem_tlv
= NULL
;
1424 drv
->fw
.n_dbg_mem_tlv
= pieces
->n_dbg_mem_tlv
;
1427 * The (size - 16) / 12 formula is based on the information recorded
1428 * for each event, which is of mode 1 (including timestamp) for all
1429 * new microcodes that include this information.
1431 fw
->init_evtlog_ptr
= pieces
->init_evtlog_ptr
;
1432 if (pieces
->init_evtlog_size
)
1433 fw
->init_evtlog_size
= (pieces
->init_evtlog_size
- 16)/12;
1435 fw
->init_evtlog_size
=
1436 drv
->trans
->cfg
->base_params
->max_event_log_size
;
1437 fw
->init_errlog_ptr
= pieces
->init_errlog_ptr
;
1438 fw
->inst_evtlog_ptr
= pieces
->inst_evtlog_ptr
;
1439 if (pieces
->inst_evtlog_size
)
1440 fw
->inst_evtlog_size
= (pieces
->inst_evtlog_size
- 16)/12;
1442 fw
->inst_evtlog_size
=
1443 drv
->trans
->cfg
->base_params
->max_event_log_size
;
1444 fw
->inst_errlog_ptr
= pieces
->inst_errlog_ptr
;
1447 * figure out the offset of chain noise reset and gain commands
1448 * base on the size of standard phy calibration commands table size
1450 if (fw
->ucode_capa
.standard_phy_calibration_size
>
1451 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1452 fw
->ucode_capa
.standard_phy_calibration_size
=
1453 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1455 /* We have our copies now, allow OS release its copies */
1456 release_firmware(ucode_raw
);
1458 mutex_lock(&iwlwifi_opmode_table_mtx
);
1461 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
1464 WARN(1, "Invalid fw type %d\n", fw
->type
);
1466 op
= &iwlwifi_opmode_table
[MVM_OP_MODE
];
1470 IWL_INFO(drv
, "loaded firmware version %s op_mode %s\n",
1471 drv
->fw
.fw_version
, op
->name
);
1473 /* add this device to the list of devices using this op_mode */
1474 list_add_tail(&drv
->list
, &op
->drv
);
1477 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1479 if (!drv
->op_mode
) {
1480 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1486 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1489 * Complete the firmware request last so that
1490 * a driver unbind (stop) doesn't run while we
1491 * are doing the start() above.
1493 complete(&drv
->request_firmware_complete
);
1496 * Load the module last so we don't block anything
1497 * else from proceeding if the module fails to load
1501 request_module("%s", op
->name
);
1502 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1505 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1512 /* try next, if any */
1513 release_firmware(ucode_raw
);
1514 if (iwl_request_firmware(drv
, false))
1519 iwl_dealloc_ucode(drv
);
1520 release_firmware(ucode_raw
);
1522 complete(&drv
->request_firmware_complete
);
1523 device_release_driver(drv
->trans
->dev
);
1526 for (i
= 0; i
< ARRAY_SIZE(pieces
->img
); i
++)
1527 kfree(pieces
->img
[i
].sec
);
1528 kfree(pieces
->dbg_mem_tlv
);
1533 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
)
1535 struct iwl_drv
*drv
;
1538 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1545 drv
->dev
= trans
->dev
;
1547 init_completion(&drv
->request_firmware_complete
);
1548 INIT_LIST_HEAD(&drv
->list
);
1550 #ifdef CONFIG_IWLWIFI_DEBUGFS
1551 /* Create the device debugfs entries. */
1552 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1555 if (!drv
->dbgfs_drv
) {
1556 IWL_ERR(drv
, "failed to create debugfs directory\n");
1561 /* Create transport layer debugfs dir */
1562 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1564 if (!drv
->trans
->dbgfs_dir
) {
1565 IWL_ERR(drv
, "failed to create transport debugfs directory\n");
1567 goto err_free_dbgfs
;
1571 ret
= iwl_request_firmware(drv
, true);
1573 IWL_ERR(trans
, "Couldn't request the fw\n");
1580 #ifdef CONFIG_IWLWIFI_DEBUGFS
1582 debugfs_remove_recursive(drv
->dbgfs_drv
);
1587 return ERR_PTR(ret
);
1590 void iwl_drv_stop(struct iwl_drv
*drv
)
1592 wait_for_completion(&drv
->request_firmware_complete
);
1594 _iwl_op_mode_stop(drv
);
1596 iwl_dealloc_ucode(drv
);
1598 mutex_lock(&iwlwifi_opmode_table_mtx
);
1600 * List is empty (this item wasn't added)
1601 * when firmware loading failed -- in that
1602 * case we can't remove it from any list.
1604 if (!list_empty(&drv
->list
))
1605 list_del(&drv
->list
);
1606 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1608 #ifdef CONFIG_IWLWIFI_DEBUGFS
1609 debugfs_remove_recursive(drv
->dbgfs_drv
);
1616 /* shared module parameters */
1617 struct iwl_mod_params iwlwifi_mod_params
= {
1619 .bt_coex_active
= true,
1620 .power_level
= IWL_POWER_INDEX_1
,
1621 .d0i3_disable
= true,
1622 .d0i3_timeout
= 1000,
1623 .uapsd_disable
= IWL_DISABLE_UAPSD_BSS
| IWL_DISABLE_UAPSD_P2P_CLIENT
,
1624 /* the rest are 0 by default */
1626 IWL_EXPORT_SYMBOL(iwlwifi_mod_params
);
1628 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1631 struct iwl_drv
*drv
;
1632 struct iwlwifi_opmode_table
*op
;
1634 mutex_lock(&iwlwifi_opmode_table_mtx
);
1635 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1636 op
= &iwlwifi_opmode_table
[i
];
1637 if (strcmp(op
->name
, name
))
1640 /* TODO: need to handle exceptional case */
1641 list_for_each_entry(drv
, &op
->drv
, list
)
1642 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1644 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1647 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1650 IWL_EXPORT_SYMBOL(iwl_opmode_register
);
1652 void iwl_opmode_deregister(const char *name
)
1655 struct iwl_drv
*drv
;
1657 mutex_lock(&iwlwifi_opmode_table_mtx
);
1658 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1659 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1661 iwlwifi_opmode_table
[i
].ops
= NULL
;
1663 /* call the stop routine for all devices */
1664 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1665 _iwl_op_mode_stop(drv
);
1667 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1670 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1672 IWL_EXPORT_SYMBOL(iwl_opmode_deregister
);
1674 static int __init
iwl_drv_init(void)
1678 mutex_init(&iwlwifi_opmode_table_mtx
);
1680 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1681 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1683 pr_info(DRV_DESCRIPTION
"\n");
1684 pr_info(DRV_COPYRIGHT
"\n");
1686 #ifdef CONFIG_IWLWIFI_DEBUGFS
1687 /* Create the root of iwlwifi debugfs subsystem. */
1688 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1690 if (!iwl_dbgfs_root
)
1694 return iwl_pci_register_driver();
1696 module_init(iwl_drv_init
);
1698 static void __exit
iwl_drv_exit(void)
1700 iwl_pci_unregister_driver();
1702 #ifdef CONFIG_IWLWIFI_DEBUGFS
1703 debugfs_remove_recursive(iwl_dbgfs_root
);
1706 module_exit(iwl_drv_exit
);
1708 #ifdef CONFIG_IWLWIFI_DEBUG
1709 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
,
1711 MODULE_PARM_DESC(debug
, "debug output mask");
1714 module_param_named(swcrypto
, iwlwifi_mod_params
.swcrypto
, int, S_IRUGO
);
1715 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1716 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, S_IRUGO
);
1717 MODULE_PARM_DESC(11n_disable
,
1718 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1719 module_param_named(amsdu_size
, iwlwifi_mod_params
.amsdu_size
,
1721 MODULE_PARM_DESC(amsdu_size
,
1722 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)");
1723 module_param_named(fw_restart
, iwlwifi_mod_params
.fw_restart
, bool, S_IRUGO
);
1724 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error (default true)");
1726 module_param_named(antenna_coupling
, iwlwifi_mod_params
.antenna_coupling
,
1728 MODULE_PARM_DESC(antenna_coupling
,
1729 "specify antenna coupling in dB (default: 0 dB)");
1731 module_param_named(nvm_file
, iwlwifi_mod_params
.nvm_file
, charp
, S_IRUGO
);
1732 MODULE_PARM_DESC(nvm_file
, "NVM file name");
1734 module_param_named(d0i3_disable
, iwlwifi_mod_params
.d0i3_disable
,
1736 MODULE_PARM_DESC(d0i3_disable
, "disable d0i3 functionality (default: Y)");
1738 module_param_named(lar_disable
, iwlwifi_mod_params
.lar_disable
,
1740 MODULE_PARM_DESC(lar_disable
, "disable LAR functionality (default: N)");
1742 module_param_named(uapsd_disable
, iwlwifi_mod_params
.uapsd_disable
,
1743 uint
, S_IRUGO
| S_IWUSR
);
1744 MODULE_PARM_DESC(uapsd_disable
,
1745 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1748 * set bt_coex_active to true, uCode will do kill/defer
1749 * every time the priority line is asserted (BT is sending signals on the
1750 * priority line in the PCIx).
1751 * set bt_coex_active to false, uCode will ignore the BT activity and
1752 * perform the normal operation
1754 * User might experience transmit issue on some platform due to WiFi/BT
1755 * co-exist problem. The possible behaviors are:
1756 * Able to scan and finding all the available AP
1757 * Not able to associate with any AP
1758 * On those platforms, WiFi communication can be restored by set
1759 * "bt_coex_active" module parameter to "false"
1761 * default: bt_coex_active = true (BT_COEX_ENABLE)
1763 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1765 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1767 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, S_IRUGO
);
1768 MODULE_PARM_DESC(led_mode
, "0=system default, "
1769 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1771 module_param_named(power_save
, iwlwifi_mod_params
.power_save
,
1773 MODULE_PARM_DESC(power_save
,
1774 "enable WiFi power management (default: disable)");
1776 module_param_named(power_level
, iwlwifi_mod_params
.power_level
,
1778 MODULE_PARM_DESC(power_level
,
1779 "default power save level (range from 1 - 5, default: 1)");
1781 module_param_named(fw_monitor
, iwlwifi_mod_params
.fw_monitor
, bool, S_IRUGO
);
1782 MODULE_PARM_DESC(fw_monitor
,
1783 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1785 module_param_named(d0i3_timeout
, iwlwifi_mod_params
.d0i3_timeout
,
1787 MODULE_PARM_DESC(d0i3_timeout
, "Timeout to D0i3 entry when idle (ms)");
1789 module_param_named(disable_11ac
, iwlwifi_mod_params
.disable_11ac
, bool,
1791 MODULE_PARM_DESC(disable_11ac
, "Disable VHT capabilities (default: false)");