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
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/completion.h>
66 #include <linux/dma-mapping.h>
67 #include <linux/firmware.h>
68 #include <linux/module.h>
69 #include <linux/vmalloc.h>
73 #include "iwl-debug.h"
74 #include "iwl-trans.h"
75 #include "iwl-op-mode.h"
76 #include "iwl-agn-hw.h"
78 #include "iwl-config.h"
79 #include "iwl-modparams.h"
81 /******************************************************************************
85 ******************************************************************************/
87 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
88 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
89 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
90 MODULE_LICENSE("GPL");
92 #ifdef CONFIG_IWLWIFI_DEBUGFS
93 static struct dentry
*iwl_dbgfs_root
;
97 * struct iwl_drv - drv common data
98 * @list: list of drv structures using this opmode
99 * @fw: the iwl_fw structure
100 * @op_mode: the running op_mode
101 * @trans: transport layer
102 * @dev: for debug prints only
103 * @cfg: configuration struct
104 * @fw_index: firmware revision to try loading
105 * @firmware_name: composite filename of ucode file to load
106 * @request_firmware_complete: the firmware has been obtained from user space
109 struct list_head list
;
112 struct iwl_op_mode
*op_mode
;
113 struct iwl_trans
*trans
;
115 const struct iwl_cfg
*cfg
;
117 int fw_index
; /* firmware we're trying to load */
118 char firmware_name
[32]; /* 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
< IWL_UCODE_SECTION_MAX
; i
++)
168 iwl_free_fw_desc(drv
, &img
->sec
[i
]);
171 static void iwl_dealloc_ucode(struct iwl_drv
*drv
)
175 kfree(drv
->fw
.dbg_dest_tlv
);
176 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++)
177 kfree(drv
->fw
.dbg_conf_tlv
[i
]);
178 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++)
179 kfree(drv
->fw
.dbg_trigger_tlv
[i
]);
181 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
182 iwl_free_fw_img(drv
, drv
->fw
.img
+ i
);
185 static int iwl_alloc_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
,
192 if (!sec
|| !sec
->size
)
195 data
= vmalloc(sec
->size
);
199 desc
->len
= sec
->size
;
200 desc
->offset
= sec
->offset
;
201 memcpy(data
, sec
->data
, desc
->len
);
207 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
,
210 #define UCODE_EXPERIMENTAL_INDEX 100
211 #define UCODE_EXPERIMENTAL_TAG "exp"
213 static int iwl_request_firmware(struct iwl_drv
*drv
, bool first
)
215 const char *name_pre
= drv
->cfg
->fw_name_pre
;
219 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
220 drv
->fw_index
= UCODE_EXPERIMENTAL_INDEX
;
221 strcpy(tag
, UCODE_EXPERIMENTAL_TAG
);
222 } else if (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
) {
224 drv
->fw_index
= drv
->cfg
->ucode_api_max
;
225 sprintf(tag
, "%d", drv
->fw_index
);
228 sprintf(tag
, "%d", drv
->fw_index
);
231 if (drv
->fw_index
< drv
->cfg
->ucode_api_min
) {
232 IWL_ERR(drv
, "no suitable firmware found!\n");
236 snprintf(drv
->firmware_name
, sizeof(drv
->firmware_name
), "%s%s.ucode",
240 * Starting 8000B - FW name format has changed. This overwrites the
241 * previous name and uses the new format.
243 if (drv
->trans
->cfg
->device_family
== IWL_DEVICE_FAMILY_8000
) {
244 char rev_step
= 'A' + CSR_HW_REV_STEP(drv
->trans
->hw_rev
);
246 snprintf(drv
->firmware_name
, sizeof(drv
->firmware_name
),
247 "%s%c-%s.ucode", name_pre
, rev_step
, tag
);
250 IWL_DEBUG_INFO(drv
, "attempting to load firmware %s'%s'\n",
251 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
252 ? "EXPERIMENTAL " : "",
255 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
257 GFP_KERNEL
, drv
, iwl_req_fw_callback
);
260 struct fw_img_parsing
{
261 struct fw_sec sec
[IWL_UCODE_SECTION_MAX
];
266 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
268 struct fw_sec_parsing
{
274 * struct iwl_tlv_calib_data - parse the default calib data from TLV
276 * @ucode_type: the uCode to which the following default calib relates.
277 * @calib: default calibrations.
279 struct iwl_tlv_calib_data
{
281 struct iwl_tlv_calib_ctrl calib
;
284 struct iwl_firmware_pieces
{
285 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
287 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
288 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
290 /* FW debug data parsed for driver usage */
291 struct iwl_fw_dbg_dest_tlv
*dbg_dest_tlv
;
292 struct iwl_fw_dbg_conf_tlv
*dbg_conf_tlv
[FW_DBG_CONF_MAX
];
293 size_t dbg_conf_tlv_len
[FW_DBG_CONF_MAX
];
294 struct iwl_fw_dbg_trigger_tlv
*dbg_trigger_tlv
[FW_DBG_TRIGGER_MAX
];
295 size_t dbg_trigger_tlv_len
[FW_DBG_TRIGGER_MAX
];
299 * These functions are just to extract uCode section data from the pieces
302 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
303 enum iwl_ucode_type type
,
306 return &pieces
->img
[type
].sec
[sec
];
309 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
310 enum iwl_ucode_type type
,
314 pieces
->img
[type
].sec
[sec
].data
= data
;
317 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
318 enum iwl_ucode_type type
,
322 pieces
->img
[type
].sec
[sec
].size
= size
;
325 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
326 enum iwl_ucode_type type
,
329 return pieces
->img
[type
].sec
[sec
].size
;
332 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
333 enum iwl_ucode_type type
,
337 pieces
->img
[type
].sec
[sec
].offset
= offset
;
340 static int iwl_store_cscheme(struct iwl_fw
*fw
, const u8
*data
, const u32 len
)
343 struct iwl_fw_cscheme_list
*l
= (struct iwl_fw_cscheme_list
*)data
;
344 struct iwl_fw_cipher_scheme
*fwcs
;
345 struct ieee80211_cipher_scheme
*cs
;
348 if (len
< sizeof(*l
) ||
349 len
< sizeof(l
->size
) + l
->size
* sizeof(l
->cs
[0]))
352 for (i
= 0, j
= 0; i
< IWL_UCODE_MAX_CS
&& i
< l
->size
; i
++) {
354 cipher
= le32_to_cpu(fwcs
->cipher
);
356 /* we skip schemes with zero cipher suite selector */
362 cs
->iftype
= BIT(NL80211_IFTYPE_STATION
);
363 cs
->hdr_len
= fwcs
->hdr_len
;
364 cs
->pn_len
= fwcs
->pn_len
;
365 cs
->pn_off
= fwcs
->pn_off
;
366 cs
->key_idx_off
= fwcs
->key_idx_off
;
367 cs
->key_idx_mask
= fwcs
->key_idx_mask
;
368 cs
->key_idx_shift
= fwcs
->key_idx_shift
;
369 cs
->mic_len
= fwcs
->mic_len
;
376 * Gets uCode section from tlv.
378 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
379 const void *data
, enum iwl_ucode_type type
,
382 struct fw_img_parsing
*img
;
384 struct fw_sec_parsing
*sec_parse
;
386 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
389 sec_parse
= (struct fw_sec_parsing
*)data
;
391 img
= &pieces
->img
[type
];
392 sec
= &img
->sec
[img
->sec_counter
];
394 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
395 sec
->data
= sec_parse
->data
;
396 sec
->size
= size
- sizeof(sec_parse
->offset
);
403 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
405 struct iwl_tlv_calib_data
*def_calib
=
406 (struct iwl_tlv_calib_data
*)data
;
407 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
408 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
409 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
413 drv
->fw
.default_calib
[ucode_type
].flow_trigger
=
414 def_calib
->calib
.flow_trigger
;
415 drv
->fw
.default_calib
[ucode_type
].event_trigger
=
416 def_calib
->calib
.event_trigger
;
421 static int iwl_set_ucode_api_flags(struct iwl_drv
*drv
, const u8
*data
,
422 struct iwl_ucode_capabilities
*capa
)
424 const struct iwl_ucode_api
*ucode_api
= (void *)data
;
425 u32 api_index
= le32_to_cpu(ucode_api
->api_index
);
427 if (api_index
>= IWL_API_ARRAY_SIZE
) {
428 IWL_ERR(drv
, "api_index larger than supported by driver\n");
432 capa
->api
[api_index
] = le32_to_cpu(ucode_api
->api_flags
);
437 static int iwl_set_ucode_capabilities(struct iwl_drv
*drv
, const u8
*data
,
438 struct iwl_ucode_capabilities
*capa
)
440 const struct iwl_ucode_capa
*ucode_capa
= (void *)data
;
441 u32 api_index
= le32_to_cpu(ucode_capa
->api_index
);
443 if (api_index
>= IWL_CAPABILITIES_ARRAY_SIZE
) {
444 IWL_ERR(drv
, "api_index larger than supported by driver\n");
448 capa
->capa
[api_index
] = le32_to_cpu(ucode_capa
->api_capa
);
453 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
454 const struct firmware
*ucode_raw
,
455 struct iwl_firmware_pieces
*pieces
)
457 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
458 u32 api_ver
, hdr_size
, build
;
462 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
463 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
468 if (ucode_raw
->size
< hdr_size
) {
469 IWL_ERR(drv
, "File size too small!\n");
472 build
= le32_to_cpu(ucode
->u
.v2
.build
);
473 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
474 le32_to_cpu(ucode
->u
.v2
.inst_size
));
475 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
476 le32_to_cpu(ucode
->u
.v2
.data_size
));
477 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
478 le32_to_cpu(ucode
->u
.v2
.init_size
));
479 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
480 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
481 src
= ucode
->u
.v2
.data
;
487 if (ucode_raw
->size
< hdr_size
) {
488 IWL_ERR(drv
, "File size too small!\n");
492 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
493 le32_to_cpu(ucode
->u
.v1
.inst_size
));
494 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
495 le32_to_cpu(ucode
->u
.v1
.data_size
));
496 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
497 le32_to_cpu(ucode
->u
.v1
.init_size
));
498 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
499 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
500 src
= ucode
->u
.v1
.data
;
505 sprintf(buildstr
, " build %u%s", build
,
506 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
511 snprintf(drv
->fw
.fw_version
,
512 sizeof(drv
->fw
.fw_version
),
514 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
515 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
516 IWL_UCODE_API(drv
->fw
.ucode_ver
),
517 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
520 /* Verify size of file vs. image size info in file's header */
522 if (ucode_raw
->size
!= hdr_size
+
523 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
524 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
525 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
526 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
529 "uCode file size %d does not match expected size\n",
530 (int)ucode_raw
->size
);
535 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
536 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
537 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
538 IWLAGN_RTC_INST_LOWER_BOUND
);
539 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
540 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
541 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
542 IWLAGN_RTC_DATA_LOWER_BOUND
);
543 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
544 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
545 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
546 IWLAGN_RTC_INST_LOWER_BOUND
);
547 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
548 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
549 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
550 IWLAGN_RTC_DATA_LOWER_BOUND
);
554 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
555 const struct firmware
*ucode_raw
,
556 struct iwl_firmware_pieces
*pieces
,
557 struct iwl_ucode_capabilities
*capa
)
559 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
560 struct iwl_ucode_tlv
*tlv
;
561 size_t len
= ucode_raw
->size
;
564 enum iwl_ucode_tlv_type tlv_type
;
569 bool usniffer_images
= false;
570 bool usniffer_req
= false;
572 if (len
< sizeof(*ucode
)) {
573 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
577 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
578 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
579 le32_to_cpu(ucode
->magic
));
583 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
584 memcpy(drv
->fw
.human_readable
, ucode
->human_readable
,
585 sizeof(drv
->fw
.human_readable
));
586 build
= le32_to_cpu(ucode
->build
);
589 sprintf(buildstr
, " build %u%s", build
,
590 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
595 snprintf(drv
->fw
.fw_version
,
596 sizeof(drv
->fw
.fw_version
),
598 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
599 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
600 IWL_UCODE_API(drv
->fw
.ucode_ver
),
601 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
606 len
-= sizeof(*ucode
);
608 while (len
>= sizeof(*tlv
)) {
612 tlv_len
= le32_to_cpu(tlv
->length
);
613 tlv_type
= le32_to_cpu(tlv
->type
);
614 tlv_data
= tlv
->data
;
617 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
621 len
-= ALIGN(tlv_len
, 4);
622 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
625 case IWL_UCODE_TLV_INST
:
626 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
627 IWL_UCODE_SECTION_INST
, tlv_data
);
628 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
629 IWL_UCODE_SECTION_INST
, tlv_len
);
630 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
631 IWL_UCODE_SECTION_INST
,
632 IWLAGN_RTC_INST_LOWER_BOUND
);
634 case IWL_UCODE_TLV_DATA
:
635 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
636 IWL_UCODE_SECTION_DATA
, tlv_data
);
637 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
638 IWL_UCODE_SECTION_DATA
, tlv_len
);
639 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
640 IWL_UCODE_SECTION_DATA
,
641 IWLAGN_RTC_DATA_LOWER_BOUND
);
643 case IWL_UCODE_TLV_INIT
:
644 set_sec_data(pieces
, IWL_UCODE_INIT
,
645 IWL_UCODE_SECTION_INST
, tlv_data
);
646 set_sec_size(pieces
, IWL_UCODE_INIT
,
647 IWL_UCODE_SECTION_INST
, tlv_len
);
648 set_sec_offset(pieces
, IWL_UCODE_INIT
,
649 IWL_UCODE_SECTION_INST
,
650 IWLAGN_RTC_INST_LOWER_BOUND
);
652 case IWL_UCODE_TLV_INIT_DATA
:
653 set_sec_data(pieces
, IWL_UCODE_INIT
,
654 IWL_UCODE_SECTION_DATA
, tlv_data
);
655 set_sec_size(pieces
, IWL_UCODE_INIT
,
656 IWL_UCODE_SECTION_DATA
, tlv_len
);
657 set_sec_offset(pieces
, IWL_UCODE_INIT
,
658 IWL_UCODE_SECTION_DATA
,
659 IWLAGN_RTC_DATA_LOWER_BOUND
);
661 case IWL_UCODE_TLV_BOOT
:
662 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
664 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
665 if (tlv_len
!= sizeof(u32
))
666 goto invalid_tlv_len
;
667 capa
->max_probe_length
=
668 le32_to_cpup((__le32
*)tlv_data
);
670 case IWL_UCODE_TLV_PAN
:
672 goto invalid_tlv_len
;
673 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
675 case IWL_UCODE_TLV_FLAGS
:
676 /* must be at least one u32 */
677 if (tlv_len
< sizeof(u32
))
678 goto invalid_tlv_len
;
679 /* and a proper number of u32s */
680 if (tlv_len
% sizeof(u32
))
681 goto invalid_tlv_len
;
683 * This driver only reads the first u32 as
684 * right now no more features are defined,
685 * if that changes then either the driver
686 * will not work with the new firmware, or
687 * it'll not take advantage of new features.
689 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
691 case IWL_UCODE_TLV_API_CHANGES_SET
:
692 if (tlv_len
!= sizeof(struct iwl_ucode_api
))
693 goto invalid_tlv_len
;
694 if (iwl_set_ucode_api_flags(drv
, tlv_data
, capa
))
697 case IWL_UCODE_TLV_ENABLED_CAPABILITIES
:
698 if (tlv_len
!= sizeof(struct iwl_ucode_capa
))
699 goto invalid_tlv_len
;
700 if (iwl_set_ucode_capabilities(drv
, tlv_data
, capa
))
703 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
704 if (tlv_len
!= sizeof(u32
))
705 goto invalid_tlv_len
;
706 pieces
->init_evtlog_ptr
=
707 le32_to_cpup((__le32
*)tlv_data
);
709 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
710 if (tlv_len
!= sizeof(u32
))
711 goto invalid_tlv_len
;
712 pieces
->init_evtlog_size
=
713 le32_to_cpup((__le32
*)tlv_data
);
715 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
716 if (tlv_len
!= sizeof(u32
))
717 goto invalid_tlv_len
;
718 pieces
->init_errlog_ptr
=
719 le32_to_cpup((__le32
*)tlv_data
);
721 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
722 if (tlv_len
!= sizeof(u32
))
723 goto invalid_tlv_len
;
724 pieces
->inst_evtlog_ptr
=
725 le32_to_cpup((__le32
*)tlv_data
);
727 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
728 if (tlv_len
!= sizeof(u32
))
729 goto invalid_tlv_len
;
730 pieces
->inst_evtlog_size
=
731 le32_to_cpup((__le32
*)tlv_data
);
733 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
734 if (tlv_len
!= sizeof(u32
))
735 goto invalid_tlv_len
;
736 pieces
->inst_errlog_ptr
=
737 le32_to_cpup((__le32
*)tlv_data
);
739 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
741 goto invalid_tlv_len
;
742 drv
->fw
.enhance_sensitivity_table
= true;
744 case IWL_UCODE_TLV_WOWLAN_INST
:
745 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
746 IWL_UCODE_SECTION_INST
, tlv_data
);
747 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
748 IWL_UCODE_SECTION_INST
, tlv_len
);
749 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
750 IWL_UCODE_SECTION_INST
,
751 IWLAGN_RTC_INST_LOWER_BOUND
);
753 case IWL_UCODE_TLV_WOWLAN_DATA
:
754 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
755 IWL_UCODE_SECTION_DATA
, tlv_data
);
756 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
757 IWL_UCODE_SECTION_DATA
, tlv_len
);
758 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
759 IWL_UCODE_SECTION_DATA
,
760 IWLAGN_RTC_DATA_LOWER_BOUND
);
762 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
763 if (tlv_len
!= sizeof(u32
))
764 goto invalid_tlv_len
;
765 capa
->standard_phy_calibration_size
=
766 le32_to_cpup((__le32
*)tlv_data
);
768 case IWL_UCODE_TLV_SEC_RT
:
769 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
771 drv
->fw
.mvm_fw
= true;
773 case IWL_UCODE_TLV_SEC_INIT
:
774 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
776 drv
->fw
.mvm_fw
= true;
778 case IWL_UCODE_TLV_SEC_WOWLAN
:
779 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
781 drv
->fw
.mvm_fw
= true;
783 case IWL_UCODE_TLV_DEF_CALIB
:
784 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
785 goto invalid_tlv_len
;
786 if (iwl_set_default_calib(drv
, tlv_data
))
789 case IWL_UCODE_TLV_PHY_SKU
:
790 if (tlv_len
!= sizeof(u32
))
791 goto invalid_tlv_len
;
792 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
793 drv
->fw
.valid_tx_ant
= (drv
->fw
.phy_config
&
794 FW_PHY_CFG_TX_CHAIN
) >>
795 FW_PHY_CFG_TX_CHAIN_POS
;
796 drv
->fw
.valid_rx_ant
= (drv
->fw
.phy_config
&
797 FW_PHY_CFG_RX_CHAIN
) >>
798 FW_PHY_CFG_RX_CHAIN_POS
;
800 case IWL_UCODE_TLV_SECURE_SEC_RT
:
801 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
803 drv
->fw
.mvm_fw
= true;
805 case IWL_UCODE_TLV_SECURE_SEC_INIT
:
806 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
808 drv
->fw
.mvm_fw
= true;
810 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN
:
811 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
813 drv
->fw
.mvm_fw
= true;
815 case IWL_UCODE_TLV_NUM_OF_CPU
:
816 if (tlv_len
!= sizeof(u32
))
817 goto invalid_tlv_len
;
819 le32_to_cpup((__le32
*)tlv_data
);
821 if (num_of_cpus
== 2) {
822 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_dual_cpus
=
824 drv
->fw
.img
[IWL_UCODE_INIT
].is_dual_cpus
=
826 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_dual_cpus
=
828 } else if ((num_of_cpus
> 2) || (num_of_cpus
< 1)) {
829 IWL_ERR(drv
, "Driver support upto 2 CPUs\n");
833 case IWL_UCODE_TLV_CSCHEME
:
834 if (iwl_store_cscheme(&drv
->fw
, tlv_data
, tlv_len
))
835 goto invalid_tlv_len
;
837 case IWL_UCODE_TLV_N_SCAN_CHANNELS
:
838 if (tlv_len
!= sizeof(u32
))
839 goto invalid_tlv_len
;
840 capa
->n_scan_channels
=
841 le32_to_cpup((__le32
*)tlv_data
);
843 case IWL_UCODE_TLV_FW_VERSION
: {
844 __le32
*ptr
= (void *)tlv_data
;
848 if (tlv_len
!= sizeof(u32
) * 3)
849 goto invalid_tlv_len
;
851 major
= le32_to_cpup(ptr
++);
852 minor
= le32_to_cpup(ptr
++);
853 local_comp
= le32_to_cpup(ptr
);
855 snprintf(drv
->fw
.fw_version
,
856 sizeof(drv
->fw
.fw_version
), "%u.%u.%u",
857 major
, minor
, local_comp
);
860 case IWL_UCODE_TLV_FW_DBG_DEST
: {
861 struct iwl_fw_dbg_dest_tlv
*dest
= (void *)tlv_data
;
863 if (pieces
->dbg_dest_tlv
) {
865 "dbg destination ignored, already exists\n");
869 pieces
->dbg_dest_tlv
= dest
;
870 IWL_INFO(drv
, "Found debug destination: %s\n",
871 get_fw_dbg_mode_string(dest
->monitor_mode
));
873 drv
->fw
.dbg_dest_reg_num
=
874 tlv_len
- offsetof(struct iwl_fw_dbg_dest_tlv
,
876 drv
->fw
.dbg_dest_reg_num
/=
877 sizeof(drv
->fw
.dbg_dest_tlv
->reg_ops
[0]);
881 case IWL_UCODE_TLV_FW_DBG_CONF
: {
882 struct iwl_fw_dbg_conf_tlv
*conf
= (void *)tlv_data
;
884 if (!pieces
->dbg_dest_tlv
) {
886 "Ignore dbg config %d - no destination configured\n",
891 if (conf
->id
>= ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
)) {
893 "Skip unknown configuration: %d\n",
898 if (pieces
->dbg_conf_tlv
[conf
->id
]) {
900 "Ignore duplicate dbg config %d\n",
908 IWL_INFO(drv
, "Found debug configuration: %d\n",
911 pieces
->dbg_conf_tlv
[conf
->id
] = conf
;
912 pieces
->dbg_conf_tlv_len
[conf
->id
] = tlv_len
;
915 case IWL_UCODE_TLV_FW_DBG_TRIGGER
: {
916 struct iwl_fw_dbg_trigger_tlv
*trigger
=
918 u32 trigger_id
= le32_to_cpu(trigger
->id
);
920 if (trigger_id
>= ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
)) {
922 "Skip unknown trigger: %u\n",
927 if (pieces
->dbg_trigger_tlv
[trigger_id
]) {
929 "Ignore duplicate dbg trigger %u\n",
934 IWL_INFO(drv
, "Found debug trigger: %u\n", trigger
->id
);
936 pieces
->dbg_trigger_tlv
[trigger_id
] = trigger
;
937 pieces
->dbg_trigger_tlv_len
[trigger_id
] = tlv_len
;
940 case IWL_UCODE_TLV_SEC_RT_USNIFFER
:
941 usniffer_images
= true;
942 iwl_store_ucode_sec(pieces
, tlv_data
,
943 IWL_UCODE_REGULAR_USNIFFER
,
946 case IWL_UCODE_TLV_SDIO_ADMA_ADDR
:
947 if (tlv_len
!= sizeof(u32
))
948 goto invalid_tlv_len
;
949 drv
->fw
.sdio_adma_addr
=
950 le32_to_cpup((__le32
*)tlv_data
);
953 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
958 if (usniffer_req
&& !usniffer_images
) {
960 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
965 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
966 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
973 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
975 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
980 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
981 struct iwl_firmware_pieces
*pieces
,
982 enum iwl_ucode_type type
)
986 i
< IWL_UCODE_SECTION_MAX
&& get_sec_size(pieces
, type
, i
);
988 if (iwl_alloc_fw_desc(drv
, &(drv
->fw
.img
[type
].sec
[i
]),
989 get_sec(pieces
, type
, i
)))
994 static int validate_sec_sizes(struct iwl_drv
*drv
,
995 struct iwl_firmware_pieces
*pieces
,
996 const struct iwl_cfg
*cfg
)
998 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %Zd\n",
999 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1000 IWL_UCODE_SECTION_INST
));
1001 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %Zd\n",
1002 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1003 IWL_UCODE_SECTION_DATA
));
1004 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %Zd\n",
1005 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
1006 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %Zd\n",
1007 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
1009 /* Verify that uCode images will fit in card's SRAM. */
1010 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
1011 cfg
->max_inst_size
) {
1012 IWL_ERR(drv
, "uCode instr len %Zd too large to fit in\n",
1013 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1014 IWL_UCODE_SECTION_INST
));
1018 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
1019 cfg
->max_data_size
) {
1020 IWL_ERR(drv
, "uCode data len %Zd too large to fit in\n",
1021 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1022 IWL_UCODE_SECTION_DATA
));
1026 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
1027 cfg
->max_inst_size
) {
1028 IWL_ERR(drv
, "uCode init instr len %Zd too large to fit in\n",
1029 get_sec_size(pieces
, IWL_UCODE_INIT
,
1030 IWL_UCODE_SECTION_INST
));
1034 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
1035 cfg
->max_data_size
) {
1036 IWL_ERR(drv
, "uCode init data len %Zd too large to fit in\n",
1037 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1038 IWL_UCODE_SECTION_DATA
));
1044 static struct iwl_op_mode
*
1045 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
1047 const struct iwl_op_mode_ops
*ops
= op
->ops
;
1048 struct dentry
*dbgfs_dir
= NULL
;
1049 struct iwl_op_mode
*op_mode
= NULL
;
1051 #ifdef CONFIG_IWLWIFI_DEBUGFS
1052 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
1054 if (!drv
->dbgfs_op_mode
) {
1056 "failed to create opmode debugfs directory\n");
1059 dbgfs_dir
= drv
->dbgfs_op_mode
;
1062 op_mode
= ops
->start(drv
->trans
, drv
->cfg
, &drv
->fw
, dbgfs_dir
);
1064 #ifdef CONFIG_IWLWIFI_DEBUGFS
1066 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1067 drv
->dbgfs_op_mode
= NULL
;
1074 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
1076 /* op_mode can be NULL if its start failed */
1078 iwl_op_mode_stop(drv
->op_mode
);
1079 drv
->op_mode
= NULL
;
1081 #ifdef CONFIG_IWLWIFI_DEBUGFS
1082 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1083 drv
->dbgfs_op_mode
= NULL
;
1089 * iwl_req_fw_callback - callback when firmware was loaded
1091 * If loaded successfully, copies the firmware into buffers
1092 * for the card to fetch (via DMA).
1094 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
1096 struct iwl_drv
*drv
= context
;
1097 struct iwl_fw
*fw
= &drv
->fw
;
1098 struct iwl_ucode_header
*ucode
;
1099 struct iwlwifi_opmode_table
*op
;
1101 struct iwl_firmware_pieces
*pieces
;
1102 const unsigned int api_max
= drv
->cfg
->ucode_api_max
;
1103 unsigned int api_ok
= drv
->cfg
->ucode_api_ok
;
1104 const unsigned int api_min
= drv
->cfg
->ucode_api_min
;
1105 size_t trigger_tlv_sz
[FW_DBG_TRIGGER_MAX
];
1108 bool load_module
= false;
1110 fw
->ucode_capa
.max_probe_length
= IWL_DEFAULT_MAX_PROBE_LENGTH
;
1111 fw
->ucode_capa
.standard_phy_calibration_size
=
1112 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1113 fw
->ucode_capa
.n_scan_channels
= IWL_DEFAULT_SCAN_CHANNELS
;
1118 pieces
= kzalloc(sizeof(*pieces
), GFP_KERNEL
);
1123 if (drv
->fw_index
<= api_ok
)
1125 "request for firmware file '%s' failed.\n",
1126 drv
->firmware_name
);
1130 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
1131 drv
->firmware_name
, ucode_raw
->size
);
1133 /* Make sure that we got at least the API version number */
1134 if (ucode_raw
->size
< 4) {
1135 IWL_ERR(drv
, "File size way too small!\n");
1139 /* Data from ucode file: header followed by uCode images */
1140 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
1143 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, pieces
);
1145 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, pieces
,
1151 if (drv
->fw
.ucode_capa
.api
[0] & IWL_UCODE_TLV_API_NEW_VERSION
)
1152 api_ver
= drv
->fw
.ucode_ver
;
1154 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
1157 * api_ver should match the api version forming part of the
1158 * firmware filename ... but we don't check for that and only rely
1159 * on the API version read from firmware header from here on forward
1161 /* no api version check required for experimental uCode */
1162 if (drv
->fw_index
!= UCODE_EXPERIMENTAL_INDEX
) {
1163 if (api_ver
< api_min
|| api_ver
> api_max
) {
1165 "Driver unable to support your firmware API. "
1166 "Driver supports v%u, firmware is v%u.\n",
1171 if (api_ver
< api_ok
) {
1172 if (api_ok
!= api_max
)
1173 IWL_ERR(drv
, "Firmware has old API version, "
1174 "expected v%u through v%u, got v%u.\n",
1175 api_ok
, api_max
, api_ver
);
1177 IWL_ERR(drv
, "Firmware has old API version, "
1178 "expected v%u, got v%u.\n",
1180 IWL_ERR(drv
, "New firmware can be obtained from "
1181 "http://www.intellinuxwireless.org/.\n");
1186 * In mvm uCode there is no difference between data and instructions
1189 if (!fw
->mvm_fw
&& validate_sec_sizes(drv
, pieces
, drv
->cfg
))
1192 /* Allocate ucode buffers for card's bus-master loading ... */
1194 /* Runtime instructions and 2 copies of data:
1195 * 1) unmodified from disk
1196 * 2) backup cache for save/restore during power-downs */
1197 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
1198 if (iwl_alloc_ucode(drv
, pieces
, i
))
1201 if (pieces
->dbg_dest_tlv
) {
1202 drv
->fw
.dbg_dest_tlv
=
1203 kmemdup(pieces
->dbg_dest_tlv
,
1204 sizeof(*pieces
->dbg_dest_tlv
) +
1205 sizeof(pieces
->dbg_dest_tlv
->reg_ops
[0]) *
1206 drv
->fw
.dbg_dest_reg_num
, GFP_KERNEL
);
1208 if (!drv
->fw
.dbg_dest_tlv
)
1212 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++) {
1213 if (pieces
->dbg_conf_tlv
[i
]) {
1214 drv
->fw
.dbg_conf_tlv_len
[i
] =
1215 pieces
->dbg_conf_tlv_len
[i
];
1216 drv
->fw
.dbg_conf_tlv
[i
] =
1217 kmemdup(pieces
->dbg_conf_tlv
[i
],
1218 drv
->fw
.dbg_conf_tlv_len
[i
],
1220 if (!drv
->fw
.dbg_conf_tlv
[i
])
1225 memset(&trigger_tlv_sz
, 0xff, sizeof(trigger_tlv_sz
));
1227 trigger_tlv_sz
[FW_DBG_TRIGGER_MISSED_BEACONS
] =
1228 sizeof(struct iwl_fw_dbg_trigger_missed_bcon
);
1229 trigger_tlv_sz
[FW_DBG_TRIGGER_CHANNEL_SWITCH
] = 0;
1230 trigger_tlv_sz
[FW_DBG_TRIGGER_FW_NOTIF
] =
1231 sizeof(struct iwl_fw_dbg_trigger_cmd
);
1232 trigger_tlv_sz
[FW_DBG_TRIGGER_MLME
] =
1233 sizeof(struct iwl_fw_dbg_trigger_mlme
);
1234 trigger_tlv_sz
[FW_DBG_TRIGGER_STATS
] =
1235 sizeof(struct iwl_fw_dbg_trigger_stats
);
1236 trigger_tlv_sz
[FW_DBG_TRIGGER_RSSI
] =
1237 sizeof(struct iwl_fw_dbg_trigger_low_rssi
);
1238 trigger_tlv_sz
[FW_DBG_TRIGGER_TXQ_TIMERS
] =
1239 sizeof(struct iwl_fw_dbg_trigger_txq_timer
);
1240 trigger_tlv_sz
[FW_DBG_TRIGGER_TIME_EVENT
] =
1241 sizeof(struct iwl_fw_dbg_trigger_time_event
);
1242 trigger_tlv_sz
[FW_DBG_TRIGGER_BA
] =
1243 sizeof(struct iwl_fw_dbg_trigger_ba
);
1245 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++) {
1246 if (pieces
->dbg_trigger_tlv
[i
]) {
1248 * If the trigger isn't long enough, WARN and exit.
1249 * Someone is trying to debug something and he won't
1250 * be able to catch the bug he is trying to chase.
1251 * We'd better be noisy to be sure he knows what's
1254 if (WARN_ON(pieces
->dbg_trigger_tlv_len
[i
] <
1255 (trigger_tlv_sz
[i
] +
1256 sizeof(struct iwl_fw_dbg_trigger_tlv
))))
1258 drv
->fw
.dbg_trigger_tlv_len
[i
] =
1259 pieces
->dbg_trigger_tlv_len
[i
];
1260 drv
->fw
.dbg_trigger_tlv
[i
] =
1261 kmemdup(pieces
->dbg_trigger_tlv
[i
],
1262 drv
->fw
.dbg_trigger_tlv_len
[i
],
1264 if (!drv
->fw
.dbg_trigger_tlv
[i
])
1269 /* Now that we can no longer fail, copy information */
1272 * The (size - 16) / 12 formula is based on the information recorded
1273 * for each event, which is of mode 1 (including timestamp) for all
1274 * new microcodes that include this information.
1276 fw
->init_evtlog_ptr
= pieces
->init_evtlog_ptr
;
1277 if (pieces
->init_evtlog_size
)
1278 fw
->init_evtlog_size
= (pieces
->init_evtlog_size
- 16)/12;
1280 fw
->init_evtlog_size
=
1281 drv
->cfg
->base_params
->max_event_log_size
;
1282 fw
->init_errlog_ptr
= pieces
->init_errlog_ptr
;
1283 fw
->inst_evtlog_ptr
= pieces
->inst_evtlog_ptr
;
1284 if (pieces
->inst_evtlog_size
)
1285 fw
->inst_evtlog_size
= (pieces
->inst_evtlog_size
- 16)/12;
1287 fw
->inst_evtlog_size
=
1288 drv
->cfg
->base_params
->max_event_log_size
;
1289 fw
->inst_errlog_ptr
= pieces
->inst_errlog_ptr
;
1292 * figure out the offset of chain noise reset and gain commands
1293 * base on the size of standard phy calibration commands table size
1295 if (fw
->ucode_capa
.standard_phy_calibration_size
>
1296 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1297 fw
->ucode_capa
.standard_phy_calibration_size
=
1298 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1300 /* We have our copies now, allow OS release its copies */
1301 release_firmware(ucode_raw
);
1303 mutex_lock(&iwlwifi_opmode_table_mtx
);
1305 op
= &iwlwifi_opmode_table
[MVM_OP_MODE
];
1307 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
1309 IWL_INFO(drv
, "loaded firmware version %s op_mode %s\n",
1310 drv
->fw
.fw_version
, op
->name
);
1312 /* add this device to the list of devices using this op_mode */
1313 list_add_tail(&drv
->list
, &op
->drv
);
1316 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1318 if (!drv
->op_mode
) {
1319 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1325 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1328 * Complete the firmware request last so that
1329 * a driver unbind (stop) doesn't run while we
1330 * are doing the start() above.
1332 complete(&drv
->request_firmware_complete
);
1335 * Load the module last so we don't block anything
1336 * else from proceeding if the module fails to load
1340 err
= request_module("%s", op
->name
);
1341 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1344 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1352 /* try next, if any */
1353 release_firmware(ucode_raw
);
1354 if (iwl_request_firmware(drv
, false))
1360 IWL_ERR(drv
, "failed to allocate pci memory\n");
1361 iwl_dealloc_ucode(drv
);
1362 release_firmware(ucode_raw
);
1365 complete(&drv
->request_firmware_complete
);
1366 device_release_driver(drv
->trans
->dev
);
1369 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
,
1370 const struct iwl_cfg
*cfg
)
1372 struct iwl_drv
*drv
;
1375 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1382 drv
->dev
= trans
->dev
;
1385 init_completion(&drv
->request_firmware_complete
);
1386 INIT_LIST_HEAD(&drv
->list
);
1388 #ifdef CONFIG_IWLWIFI_DEBUGFS
1389 /* Create the device debugfs entries. */
1390 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1393 if (!drv
->dbgfs_drv
) {
1394 IWL_ERR(drv
, "failed to create debugfs directory\n");
1399 /* Create transport layer debugfs dir */
1400 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1402 if (!drv
->trans
->dbgfs_dir
) {
1403 IWL_ERR(drv
, "failed to create transport debugfs directory\n");
1405 goto err_free_dbgfs
;
1409 ret
= iwl_request_firmware(drv
, true);
1411 IWL_ERR(trans
, "Couldn't request the fw\n");
1418 #ifdef CONFIG_IWLWIFI_DEBUGFS
1420 debugfs_remove_recursive(drv
->dbgfs_drv
);
1425 return ERR_PTR(ret
);
1428 void iwl_drv_stop(struct iwl_drv
*drv
)
1430 wait_for_completion(&drv
->request_firmware_complete
);
1432 _iwl_op_mode_stop(drv
);
1434 iwl_dealloc_ucode(drv
);
1436 mutex_lock(&iwlwifi_opmode_table_mtx
);
1438 * List is empty (this item wasn't added)
1439 * when firmware loading failed -- in that
1440 * case we can't remove it from any list.
1442 if (!list_empty(&drv
->list
))
1443 list_del(&drv
->list
);
1444 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1446 #ifdef CONFIG_IWLWIFI_DEBUGFS
1447 debugfs_remove_recursive(drv
->dbgfs_drv
);
1454 /* shared module parameters */
1455 struct iwl_mod_params iwlwifi_mod_params
= {
1457 .bt_coex_active
= true,
1458 .power_level
= IWL_POWER_INDEX_1
,
1459 .d0i3_disable
= true,
1460 #ifndef CONFIG_IWLWIFI_UAPSD
1461 .uapsd_disable
= true,
1462 #endif /* CONFIG_IWLWIFI_UAPSD */
1463 /* the rest are 0 by default */
1465 IWL_EXPORT_SYMBOL(iwlwifi_mod_params
);
1467 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1470 struct iwl_drv
*drv
;
1471 struct iwlwifi_opmode_table
*op
;
1473 mutex_lock(&iwlwifi_opmode_table_mtx
);
1474 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1475 op
= &iwlwifi_opmode_table
[i
];
1476 if (strcmp(op
->name
, name
))
1479 /* TODO: need to handle exceptional case */
1480 list_for_each_entry(drv
, &op
->drv
, list
)
1481 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1483 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1486 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1489 IWL_EXPORT_SYMBOL(iwl_opmode_register
);
1491 void iwl_opmode_deregister(const char *name
)
1494 struct iwl_drv
*drv
;
1496 mutex_lock(&iwlwifi_opmode_table_mtx
);
1497 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1498 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1500 iwlwifi_opmode_table
[i
].ops
= NULL
;
1502 /* call the stop routine for all devices */
1503 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1504 _iwl_op_mode_stop(drv
);
1506 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1509 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1511 IWL_EXPORT_SYMBOL(iwl_opmode_deregister
);
1513 static int __init
iwl_drv_init(void)
1517 mutex_init(&iwlwifi_opmode_table_mtx
);
1519 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1520 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1522 pr_info(DRV_DESCRIPTION
"\n");
1523 pr_info(DRV_COPYRIGHT
"\n");
1525 #ifdef CONFIG_IWLWIFI_DEBUGFS
1526 /* Create the root of iwlwifi debugfs subsystem. */
1527 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1529 if (!iwl_dbgfs_root
)
1533 return iwl_pci_register_driver();
1535 module_init(iwl_drv_init
);
1537 static void __exit
iwl_drv_exit(void)
1539 iwl_pci_unregister_driver();
1541 #ifdef CONFIG_IWLWIFI_DEBUGFS
1542 debugfs_remove_recursive(iwl_dbgfs_root
);
1545 module_exit(iwl_drv_exit
);
1547 #ifdef CONFIG_IWLWIFI_DEBUG
1548 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
,
1550 MODULE_PARM_DESC(debug
, "debug output mask");
1553 module_param_named(swcrypto
, iwlwifi_mod_params
.sw_crypto
, int, S_IRUGO
);
1554 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1555 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, S_IRUGO
);
1556 MODULE_PARM_DESC(11n_disable
,
1557 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1558 module_param_named(amsdu_size_8K
, iwlwifi_mod_params
.amsdu_size_8K
,
1560 MODULE_PARM_DESC(amsdu_size_8K
, "enable 8K amsdu size (default 0)");
1561 module_param_named(fw_restart
, iwlwifi_mod_params
.restart_fw
, bool, S_IRUGO
);
1562 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error (default true)");
1564 module_param_named(antenna_coupling
, iwlwifi_mod_params
.ant_coupling
,
1566 MODULE_PARM_DESC(antenna_coupling
,
1567 "specify antenna coupling in dB (default: 0 dB)");
1569 module_param_named(nvm_file
, iwlwifi_mod_params
.nvm_file
, charp
, S_IRUGO
);
1570 MODULE_PARM_DESC(nvm_file
, "NVM file name");
1572 module_param_named(d0i3_disable
, iwlwifi_mod_params
.d0i3_disable
,
1574 MODULE_PARM_DESC(d0i3_disable
, "disable d0i3 functionality (default: Y)");
1576 module_param_named(lar_disable
, iwlwifi_mod_params
.lar_disable
,
1578 MODULE_PARM_DESC(lar_disable
, "disable LAR functionality (default: N)");
1580 module_param_named(uapsd_disable
, iwlwifi_mod_params
.uapsd_disable
,
1581 bool, S_IRUGO
| S_IWUSR
);
1582 #ifdef CONFIG_IWLWIFI_UAPSD
1583 MODULE_PARM_DESC(uapsd_disable
, "disable U-APSD functionality (default: N)");
1585 MODULE_PARM_DESC(uapsd_disable
, "disable U-APSD functionality (default: Y)");
1589 * set bt_coex_active to true, uCode will do kill/defer
1590 * every time the priority line is asserted (BT is sending signals on the
1591 * priority line in the PCIx).
1592 * set bt_coex_active to false, uCode will ignore the BT activity and
1593 * perform the normal operation
1595 * User might experience transmit issue on some platform due to WiFi/BT
1596 * co-exist problem. The possible behaviors are:
1597 * Able to scan and finding all the available AP
1598 * Not able to associate with any AP
1599 * On those platforms, WiFi communication can be restored by set
1600 * "bt_coex_active" module parameter to "false"
1602 * default: bt_coex_active = true (BT_COEX_ENABLE)
1604 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1606 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1608 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, S_IRUGO
);
1609 MODULE_PARM_DESC(led_mode
, "0=system default, "
1610 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1612 module_param_named(power_save
, iwlwifi_mod_params
.power_save
,
1614 MODULE_PARM_DESC(power_save
,
1615 "enable WiFi power management (default: disable)");
1617 module_param_named(power_level
, iwlwifi_mod_params
.power_level
,
1619 MODULE_PARM_DESC(power_level
,
1620 "default power save level (range from 1 - 5, default: 1)");
1622 module_param_named(fw_monitor
, iwlwifi_mod_params
.fw_monitor
, bool, S_IRUGO
);
1623 MODULE_PARM_DESC(fw_monitor
,
1624 "firmware monitor - to debug FW (default: false - needs lots of memory)");