1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <linux/completion.h>
68 #include <linux/dma-mapping.h>
69 #include <linux/firmware.h>
70 #include <linux/module.h>
71 #include <linux/vmalloc.h>
75 #include "iwl-debug.h"
76 #include "iwl-trans.h"
77 #include "iwl-op-mode.h"
78 #include "iwl-agn-hw.h"
80 #include "iwl-config.h"
81 #include "iwl-modparams.h"
83 /******************************************************************************
87 ******************************************************************************/
89 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
90 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
91 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
92 MODULE_LICENSE("GPL");
94 #ifdef CONFIG_IWLWIFI_DEBUGFS
95 static struct dentry
*iwl_dbgfs_root
;
99 * struct iwl_drv - drv common data
100 * @list: list of drv structures using this opmode
101 * @fw: the iwl_fw structure
102 * @op_mode: the running op_mode
103 * @trans: transport layer
104 * @dev: for debug prints only
105 * @cfg: configuration struct
106 * @fw_index: firmware revision to try loading
107 * @firmware_name: composite filename of ucode file to load
108 * @request_firmware_complete: the firmware has been obtained from user space
111 struct list_head list
;
114 struct iwl_op_mode
*op_mode
;
115 struct iwl_trans
*trans
;
117 const struct iwl_cfg
*cfg
;
119 int fw_index
; /* firmware we're trying to load */
120 char firmware_name
[32]; /* name of firmware file to load */
122 struct completion request_firmware_complete
;
124 #ifdef CONFIG_IWLWIFI_DEBUGFS
125 struct dentry
*dbgfs_drv
;
126 struct dentry
*dbgfs_trans
;
127 struct dentry
*dbgfs_op_mode
;
136 /* Protects the table contents, i.e. the ops pointer & drv list */
137 static struct mutex iwlwifi_opmode_table_mtx
;
138 static struct iwlwifi_opmode_table
{
139 const char *name
; /* name: iwldvm, iwlmvm, etc */
140 const struct iwl_op_mode_ops
*ops
; /* pointer to op_mode ops */
141 struct list_head drv
; /* list of devices using this op_mode */
142 } iwlwifi_opmode_table
[] = { /* ops set when driver is initialized */
143 [DVM_OP_MODE
] = { .name
= "iwldvm", .ops
= NULL
},
144 [MVM_OP_MODE
] = { .name
= "iwlmvm", .ops
= NULL
},
147 #define IWL_DEFAULT_SCAN_CHANNELS 40
150 * struct fw_sec: Just for the image parsing process.
151 * For the fw storage we are using struct fw_desc.
154 const void *data
; /* the sec data */
155 size_t size
; /* section size */
156 u32 offset
; /* offset of writing in the device */
159 static void iwl_free_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
)
166 static void iwl_free_fw_img(struct iwl_drv
*drv
, struct fw_img
*img
)
169 for (i
= 0; i
< IWL_UCODE_SECTION_MAX
; i
++)
170 iwl_free_fw_desc(drv
, &img
->sec
[i
]);
173 static void iwl_dealloc_ucode(struct iwl_drv
*drv
)
177 kfree(drv
->fw
.dbg_dest_tlv
);
178 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++)
179 kfree(drv
->fw
.dbg_conf_tlv
[i
]);
180 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++)
181 kfree(drv
->fw
.dbg_trigger_tlv
[i
]);
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 #define UCODE_EXPERIMENTAL_INDEX 100
213 #define UCODE_EXPERIMENTAL_TAG "exp"
215 static int iwl_request_firmware(struct iwl_drv
*drv
, bool first
)
217 const char *name_pre
= drv
->cfg
->fw_name_pre
;
221 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
222 drv
->fw_index
= UCODE_EXPERIMENTAL_INDEX
;
223 strcpy(tag
, UCODE_EXPERIMENTAL_TAG
);
224 } else if (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
) {
226 drv
->fw_index
= drv
->cfg
->ucode_api_max
;
227 sprintf(tag
, "%d", drv
->fw_index
);
230 sprintf(tag
, "%d", drv
->fw_index
);
233 if (drv
->fw_index
< drv
->cfg
->ucode_api_min
) {
234 IWL_ERR(drv
, "no suitable firmware found!\n");
238 snprintf(drv
->firmware_name
, sizeof(drv
->firmware_name
), "%s%s.ucode",
241 IWL_DEBUG_INFO(drv
, "attempting to load firmware %s'%s'\n",
242 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
243 ? "EXPERIMENTAL " : "",
246 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
248 GFP_KERNEL
, drv
, iwl_req_fw_callback
);
251 struct fw_img_parsing
{
252 struct fw_sec sec
[IWL_UCODE_SECTION_MAX
];
257 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
259 struct fw_sec_parsing
{
265 * struct iwl_tlv_calib_data - parse the default calib data from TLV
267 * @ucode_type: the uCode to which the following default calib relates.
268 * @calib: default calibrations.
270 struct iwl_tlv_calib_data
{
272 struct iwl_tlv_calib_ctrl calib
;
275 struct iwl_firmware_pieces
{
276 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
278 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
279 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
281 /* FW debug data parsed for driver usage */
282 struct iwl_fw_dbg_dest_tlv
*dbg_dest_tlv
;
283 struct iwl_fw_dbg_conf_tlv
*dbg_conf_tlv
[FW_DBG_CONF_MAX
];
284 size_t dbg_conf_tlv_len
[FW_DBG_CONF_MAX
];
285 struct iwl_fw_dbg_trigger_tlv
*dbg_trigger_tlv
[FW_DBG_TRIGGER_MAX
];
286 size_t dbg_trigger_tlv_len
[FW_DBG_TRIGGER_MAX
];
290 * These functions are just to extract uCode section data from the pieces
293 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
294 enum iwl_ucode_type type
,
297 return &pieces
->img
[type
].sec
[sec
];
300 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
301 enum iwl_ucode_type type
,
305 pieces
->img
[type
].sec
[sec
].data
= data
;
308 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
309 enum iwl_ucode_type type
,
313 pieces
->img
[type
].sec
[sec
].size
= size
;
316 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
317 enum iwl_ucode_type type
,
320 return pieces
->img
[type
].sec
[sec
].size
;
323 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
324 enum iwl_ucode_type type
,
328 pieces
->img
[type
].sec
[sec
].offset
= offset
;
331 static int iwl_store_cscheme(struct iwl_fw
*fw
, const u8
*data
, const u32 len
)
334 struct iwl_fw_cscheme_list
*l
= (struct iwl_fw_cscheme_list
*)data
;
335 struct iwl_fw_cipher_scheme
*fwcs
;
336 struct ieee80211_cipher_scheme
*cs
;
339 if (len
< sizeof(*l
) ||
340 len
< sizeof(l
->size
) + l
->size
* sizeof(l
->cs
[0]))
343 for (i
= 0, j
= 0; i
< IWL_UCODE_MAX_CS
&& i
< l
->size
; i
++) {
345 cipher
= le32_to_cpu(fwcs
->cipher
);
347 /* we skip schemes with zero cipher suite selector */
353 cs
->iftype
= BIT(NL80211_IFTYPE_STATION
);
354 cs
->hdr_len
= fwcs
->hdr_len
;
355 cs
->pn_len
= fwcs
->pn_len
;
356 cs
->pn_off
= fwcs
->pn_off
;
357 cs
->key_idx_off
= fwcs
->key_idx_off
;
358 cs
->key_idx_mask
= fwcs
->key_idx_mask
;
359 cs
->key_idx_shift
= fwcs
->key_idx_shift
;
360 cs
->mic_len
= fwcs
->mic_len
;
366 static void iwl_store_gscan_capa(struct iwl_fw
*fw
, const u8
*data
,
369 struct iwl_fw_gscan_capabilities
*fw_capa
= (void *)data
;
370 struct iwl_gscan_capabilities
*capa
= &fw
->gscan_capa
;
372 capa
->max_scan_cache_size
= le32_to_cpu(fw_capa
->max_scan_cache_size
);
373 capa
->max_scan_buckets
= le32_to_cpu(fw_capa
->max_scan_buckets
);
374 capa
->max_ap_cache_per_scan
=
375 le32_to_cpu(fw_capa
->max_ap_cache_per_scan
);
376 capa
->max_rssi_sample_size
= le32_to_cpu(fw_capa
->max_rssi_sample_size
);
377 capa
->max_scan_reporting_threshold
=
378 le32_to_cpu(fw_capa
->max_scan_reporting_threshold
);
379 capa
->max_hotlist_aps
= le32_to_cpu(fw_capa
->max_hotlist_aps
);
380 capa
->max_significant_change_aps
=
381 le32_to_cpu(fw_capa
->max_significant_change_aps
);
382 capa
->max_bssid_history_entries
=
383 le32_to_cpu(fw_capa
->max_bssid_history_entries
);
384 capa
->max_hotlist_ssids
= le32_to_cpu(fw_capa
->max_hotlist_ssids
);
385 capa
->max_number_epno_networks
=
386 le32_to_cpu(fw_capa
->max_number_epno_networks
);
387 capa
->max_number_epno_networks_by_ssid
=
388 le32_to_cpu(fw_capa
->max_number_epno_networks_by_ssid
);
389 capa
->max_number_of_white_listed_ssid
=
390 le32_to_cpu(fw_capa
->max_number_of_white_listed_ssid
);
391 capa
->max_number_of_black_listed_ssid
=
392 le32_to_cpu(fw_capa
->max_number_of_black_listed_ssid
);
396 * Gets uCode section from tlv.
398 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
399 const void *data
, enum iwl_ucode_type type
,
402 struct fw_img_parsing
*img
;
404 struct fw_sec_parsing
*sec_parse
;
406 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
409 sec_parse
= (struct fw_sec_parsing
*)data
;
411 img
= &pieces
->img
[type
];
412 sec
= &img
->sec
[img
->sec_counter
];
414 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
415 sec
->data
= sec_parse
->data
;
416 sec
->size
= size
- sizeof(sec_parse
->offset
);
423 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
425 struct iwl_tlv_calib_data
*def_calib
=
426 (struct iwl_tlv_calib_data
*)data
;
427 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
428 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
429 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
433 drv
->fw
.default_calib
[ucode_type
].flow_trigger
=
434 def_calib
->calib
.flow_trigger
;
435 drv
->fw
.default_calib
[ucode_type
].event_trigger
=
436 def_calib
->calib
.event_trigger
;
441 static int iwl_set_ucode_api_flags(struct iwl_drv
*drv
, const u8
*data
,
442 struct iwl_ucode_capabilities
*capa
)
444 const struct iwl_ucode_api
*ucode_api
= (void *)data
;
445 u32 api_index
= le32_to_cpu(ucode_api
->api_index
);
446 u32 api_flags
= le32_to_cpu(ucode_api
->api_flags
);
449 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API
, 32)) {
451 "api flags index %d larger than supported by driver\n",
453 /* don't return an error so we can load FW that has more bits */
457 for (i
= 0; i
< 32; i
++) {
458 if (api_flags
& BIT(i
))
459 __set_bit(i
+ 32 * api_index
, capa
->_api
);
465 static int iwl_set_ucode_capabilities(struct iwl_drv
*drv
, const u8
*data
,
466 struct iwl_ucode_capabilities
*capa
)
468 const struct iwl_ucode_capa
*ucode_capa
= (void *)data
;
469 u32 api_index
= le32_to_cpu(ucode_capa
->api_index
);
470 u32 api_flags
= le32_to_cpu(ucode_capa
->api_capa
);
473 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA
, 32)) {
475 "capa flags index %d larger than supported by driver\n",
477 /* don't return an error so we can load FW that has more bits */
481 for (i
= 0; i
< 32; i
++) {
482 if (api_flags
& BIT(i
))
483 __set_bit(i
+ 32 * api_index
, capa
->_capa
);
489 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
490 const struct firmware
*ucode_raw
,
491 struct iwl_firmware_pieces
*pieces
)
493 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
494 u32 api_ver
, hdr_size
, build
;
498 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
499 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
504 if (ucode_raw
->size
< hdr_size
) {
505 IWL_ERR(drv
, "File size too small!\n");
508 build
= le32_to_cpu(ucode
->u
.v2
.build
);
509 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
510 le32_to_cpu(ucode
->u
.v2
.inst_size
));
511 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
512 le32_to_cpu(ucode
->u
.v2
.data_size
));
513 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
514 le32_to_cpu(ucode
->u
.v2
.init_size
));
515 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
516 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
517 src
= ucode
->u
.v2
.data
;
523 if (ucode_raw
->size
< hdr_size
) {
524 IWL_ERR(drv
, "File size too small!\n");
528 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
529 le32_to_cpu(ucode
->u
.v1
.inst_size
));
530 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
531 le32_to_cpu(ucode
->u
.v1
.data_size
));
532 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
533 le32_to_cpu(ucode
->u
.v1
.init_size
));
534 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
535 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
536 src
= ucode
->u
.v1
.data
;
541 sprintf(buildstr
, " build %u%s", build
,
542 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
547 snprintf(drv
->fw
.fw_version
,
548 sizeof(drv
->fw
.fw_version
),
550 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
551 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
552 IWL_UCODE_API(drv
->fw
.ucode_ver
),
553 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
556 /* Verify size of file vs. image size info in file's header */
558 if (ucode_raw
->size
!= hdr_size
+
559 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
560 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
561 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
562 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
565 "uCode file size %d does not match expected size\n",
566 (int)ucode_raw
->size
);
571 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
572 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
573 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
574 IWLAGN_RTC_INST_LOWER_BOUND
);
575 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
576 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
577 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
578 IWLAGN_RTC_DATA_LOWER_BOUND
);
579 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
580 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
581 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
582 IWLAGN_RTC_INST_LOWER_BOUND
);
583 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
584 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
585 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
586 IWLAGN_RTC_DATA_LOWER_BOUND
);
590 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
591 const struct firmware
*ucode_raw
,
592 struct iwl_firmware_pieces
*pieces
,
593 struct iwl_ucode_capabilities
*capa
,
594 bool *usniffer_images
)
596 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
597 struct iwl_ucode_tlv
*tlv
;
598 size_t len
= ucode_raw
->size
;
602 enum iwl_ucode_tlv_type tlv_type
;
605 u32 build
, paging_mem_size
;
607 bool usniffer_req
= false;
608 bool gscan_capa
= false;
610 if (len
< sizeof(*ucode
)) {
611 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
615 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
616 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
617 le32_to_cpu(ucode
->magic
));
621 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
622 memcpy(drv
->fw
.human_readable
, ucode
->human_readable
,
623 sizeof(drv
->fw
.human_readable
));
624 build
= le32_to_cpu(ucode
->build
);
627 sprintf(buildstr
, " build %u%s", build
,
628 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
633 snprintf(drv
->fw
.fw_version
,
634 sizeof(drv
->fw
.fw_version
),
636 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
637 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
638 IWL_UCODE_API(drv
->fw
.ucode_ver
),
639 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
644 len
-= sizeof(*ucode
);
646 while (len
>= sizeof(*tlv
)) {
650 tlv_len
= le32_to_cpu(tlv
->length
);
651 tlv_type
= le32_to_cpu(tlv
->type
);
652 tlv_data
= tlv
->data
;
655 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
659 len
-= ALIGN(tlv_len
, 4);
660 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
663 case IWL_UCODE_TLV_INST
:
664 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
665 IWL_UCODE_SECTION_INST
, tlv_data
);
666 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
667 IWL_UCODE_SECTION_INST
, tlv_len
);
668 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
669 IWL_UCODE_SECTION_INST
,
670 IWLAGN_RTC_INST_LOWER_BOUND
);
672 case IWL_UCODE_TLV_DATA
:
673 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
674 IWL_UCODE_SECTION_DATA
, tlv_data
);
675 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
676 IWL_UCODE_SECTION_DATA
, tlv_len
);
677 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
678 IWL_UCODE_SECTION_DATA
,
679 IWLAGN_RTC_DATA_LOWER_BOUND
);
681 case IWL_UCODE_TLV_INIT
:
682 set_sec_data(pieces
, IWL_UCODE_INIT
,
683 IWL_UCODE_SECTION_INST
, tlv_data
);
684 set_sec_size(pieces
, IWL_UCODE_INIT
,
685 IWL_UCODE_SECTION_INST
, tlv_len
);
686 set_sec_offset(pieces
, IWL_UCODE_INIT
,
687 IWL_UCODE_SECTION_INST
,
688 IWLAGN_RTC_INST_LOWER_BOUND
);
690 case IWL_UCODE_TLV_INIT_DATA
:
691 set_sec_data(pieces
, IWL_UCODE_INIT
,
692 IWL_UCODE_SECTION_DATA
, tlv_data
);
693 set_sec_size(pieces
, IWL_UCODE_INIT
,
694 IWL_UCODE_SECTION_DATA
, tlv_len
);
695 set_sec_offset(pieces
, IWL_UCODE_INIT
,
696 IWL_UCODE_SECTION_DATA
,
697 IWLAGN_RTC_DATA_LOWER_BOUND
);
699 case IWL_UCODE_TLV_BOOT
:
700 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
702 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
703 if (tlv_len
!= sizeof(u32
))
704 goto invalid_tlv_len
;
705 capa
->max_probe_length
=
706 le32_to_cpup((__le32
*)tlv_data
);
708 case IWL_UCODE_TLV_PAN
:
710 goto invalid_tlv_len
;
711 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
713 case IWL_UCODE_TLV_FLAGS
:
714 /* must be at least one u32 */
715 if (tlv_len
< sizeof(u32
))
716 goto invalid_tlv_len
;
717 /* and a proper number of u32s */
718 if (tlv_len
% sizeof(u32
))
719 goto invalid_tlv_len
;
721 * This driver only reads the first u32 as
722 * right now no more features are defined,
723 * if that changes then either the driver
724 * will not work with the new firmware, or
725 * it'll not take advantage of new features.
727 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
729 case IWL_UCODE_TLV_API_CHANGES_SET
:
730 if (tlv_len
!= sizeof(struct iwl_ucode_api
))
731 goto invalid_tlv_len
;
732 if (iwl_set_ucode_api_flags(drv
, tlv_data
, capa
))
735 case IWL_UCODE_TLV_ENABLED_CAPABILITIES
:
736 if (tlv_len
!= sizeof(struct iwl_ucode_capa
))
737 goto invalid_tlv_len
;
738 if (iwl_set_ucode_capabilities(drv
, tlv_data
, capa
))
741 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
742 if (tlv_len
!= sizeof(u32
))
743 goto invalid_tlv_len
;
744 pieces
->init_evtlog_ptr
=
745 le32_to_cpup((__le32
*)tlv_data
);
747 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
748 if (tlv_len
!= sizeof(u32
))
749 goto invalid_tlv_len
;
750 pieces
->init_evtlog_size
=
751 le32_to_cpup((__le32
*)tlv_data
);
753 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
754 if (tlv_len
!= sizeof(u32
))
755 goto invalid_tlv_len
;
756 pieces
->init_errlog_ptr
=
757 le32_to_cpup((__le32
*)tlv_data
);
759 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
760 if (tlv_len
!= sizeof(u32
))
761 goto invalid_tlv_len
;
762 pieces
->inst_evtlog_ptr
=
763 le32_to_cpup((__le32
*)tlv_data
);
765 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
766 if (tlv_len
!= sizeof(u32
))
767 goto invalid_tlv_len
;
768 pieces
->inst_evtlog_size
=
769 le32_to_cpup((__le32
*)tlv_data
);
771 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
772 if (tlv_len
!= sizeof(u32
))
773 goto invalid_tlv_len
;
774 pieces
->inst_errlog_ptr
=
775 le32_to_cpup((__le32
*)tlv_data
);
777 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
779 goto invalid_tlv_len
;
780 drv
->fw
.enhance_sensitivity_table
= true;
782 case IWL_UCODE_TLV_WOWLAN_INST
:
783 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
784 IWL_UCODE_SECTION_INST
, tlv_data
);
785 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
786 IWL_UCODE_SECTION_INST
, tlv_len
);
787 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
788 IWL_UCODE_SECTION_INST
,
789 IWLAGN_RTC_INST_LOWER_BOUND
);
791 case IWL_UCODE_TLV_WOWLAN_DATA
:
792 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
793 IWL_UCODE_SECTION_DATA
, tlv_data
);
794 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
795 IWL_UCODE_SECTION_DATA
, tlv_len
);
796 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
797 IWL_UCODE_SECTION_DATA
,
798 IWLAGN_RTC_DATA_LOWER_BOUND
);
800 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
801 if (tlv_len
!= sizeof(u32
))
802 goto invalid_tlv_len
;
803 capa
->standard_phy_calibration_size
=
804 le32_to_cpup((__le32
*)tlv_data
);
806 case IWL_UCODE_TLV_SEC_RT
:
807 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
809 drv
->fw
.mvm_fw
= true;
811 case IWL_UCODE_TLV_SEC_INIT
:
812 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
814 drv
->fw
.mvm_fw
= true;
816 case IWL_UCODE_TLV_SEC_WOWLAN
:
817 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
819 drv
->fw
.mvm_fw
= true;
821 case IWL_UCODE_TLV_DEF_CALIB
:
822 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
823 goto invalid_tlv_len
;
824 if (iwl_set_default_calib(drv
, tlv_data
))
827 case IWL_UCODE_TLV_PHY_SKU
:
828 if (tlv_len
!= sizeof(u32
))
829 goto invalid_tlv_len
;
830 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
831 drv
->fw
.valid_tx_ant
= (drv
->fw
.phy_config
&
832 FW_PHY_CFG_TX_CHAIN
) >>
833 FW_PHY_CFG_TX_CHAIN_POS
;
834 drv
->fw
.valid_rx_ant
= (drv
->fw
.phy_config
&
835 FW_PHY_CFG_RX_CHAIN
) >>
836 FW_PHY_CFG_RX_CHAIN_POS
;
838 case IWL_UCODE_TLV_SECURE_SEC_RT
:
839 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
841 drv
->fw
.mvm_fw
= true;
843 case IWL_UCODE_TLV_SECURE_SEC_INIT
:
844 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
846 drv
->fw
.mvm_fw
= true;
848 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN
:
849 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
851 drv
->fw
.mvm_fw
= true;
853 case IWL_UCODE_TLV_NUM_OF_CPU
:
854 if (tlv_len
!= sizeof(u32
))
855 goto invalid_tlv_len
;
857 le32_to_cpup((__le32
*)tlv_data
);
859 if (num_of_cpus
== 2) {
860 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_dual_cpus
=
862 drv
->fw
.img
[IWL_UCODE_INIT
].is_dual_cpus
=
864 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_dual_cpus
=
866 } else if ((num_of_cpus
> 2) || (num_of_cpus
< 1)) {
867 IWL_ERR(drv
, "Driver support upto 2 CPUs\n");
871 case IWL_UCODE_TLV_CSCHEME
:
872 if (iwl_store_cscheme(&drv
->fw
, tlv_data
, tlv_len
))
873 goto invalid_tlv_len
;
875 case IWL_UCODE_TLV_N_SCAN_CHANNELS
:
876 if (tlv_len
!= sizeof(u32
))
877 goto invalid_tlv_len
;
878 capa
->n_scan_channels
=
879 le32_to_cpup((__le32
*)tlv_data
);
881 case IWL_UCODE_TLV_FW_VERSION
: {
882 __le32
*ptr
= (void *)tlv_data
;
886 if (tlv_len
!= sizeof(u32
) * 3)
887 goto invalid_tlv_len
;
889 major
= le32_to_cpup(ptr
++);
890 minor
= le32_to_cpup(ptr
++);
891 local_comp
= le32_to_cpup(ptr
);
893 snprintf(drv
->fw
.fw_version
,
894 sizeof(drv
->fw
.fw_version
), "%u.%u.%u",
895 major
, minor
, local_comp
);
898 case IWL_UCODE_TLV_FW_DBG_DEST
: {
899 struct iwl_fw_dbg_dest_tlv
*dest
= (void *)tlv_data
;
901 if (pieces
->dbg_dest_tlv
) {
903 "dbg destination ignored, already exists\n");
907 pieces
->dbg_dest_tlv
= dest
;
908 IWL_INFO(drv
, "Found debug destination: %s\n",
909 get_fw_dbg_mode_string(dest
->monitor_mode
));
911 drv
->fw
.dbg_dest_reg_num
=
912 tlv_len
- offsetof(struct iwl_fw_dbg_dest_tlv
,
914 drv
->fw
.dbg_dest_reg_num
/=
915 sizeof(drv
->fw
.dbg_dest_tlv
->reg_ops
[0]);
919 case IWL_UCODE_TLV_FW_DBG_CONF
: {
920 struct iwl_fw_dbg_conf_tlv
*conf
= (void *)tlv_data
;
922 if (!pieces
->dbg_dest_tlv
) {
924 "Ignore dbg config %d - no destination configured\n",
929 if (conf
->id
>= ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
)) {
931 "Skip unknown configuration: %d\n",
936 if (pieces
->dbg_conf_tlv
[conf
->id
]) {
938 "Ignore duplicate dbg config %d\n",
946 IWL_INFO(drv
, "Found debug configuration: %d\n",
949 pieces
->dbg_conf_tlv
[conf
->id
] = conf
;
950 pieces
->dbg_conf_tlv_len
[conf
->id
] = tlv_len
;
953 case IWL_UCODE_TLV_FW_DBG_TRIGGER
: {
954 struct iwl_fw_dbg_trigger_tlv
*trigger
=
956 u32 trigger_id
= le32_to_cpu(trigger
->id
);
958 if (trigger_id
>= ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
)) {
960 "Skip unknown trigger: %u\n",
965 if (pieces
->dbg_trigger_tlv
[trigger_id
]) {
967 "Ignore duplicate dbg trigger %u\n",
972 IWL_INFO(drv
, "Found debug trigger: %u\n", trigger
->id
);
974 pieces
->dbg_trigger_tlv
[trigger_id
] = trigger
;
975 pieces
->dbg_trigger_tlv_len
[trigger_id
] = tlv_len
;
978 case IWL_UCODE_TLV_SEC_RT_USNIFFER
:
979 *usniffer_images
= true;
980 iwl_store_ucode_sec(pieces
, tlv_data
,
981 IWL_UCODE_REGULAR_USNIFFER
,
984 case IWL_UCODE_TLV_PAGING
:
985 if (tlv_len
!= sizeof(u32
))
986 goto invalid_tlv_len
;
987 paging_mem_size
= le32_to_cpup((__le32
*)tlv_data
);
990 "Paging: paging enabled (size = %u bytes)\n",
993 if (paging_mem_size
> MAX_PAGING_IMAGE_SIZE
) {
995 "Paging: driver supports up to %lu bytes for paging image\n",
996 MAX_PAGING_IMAGE_SIZE
);
1000 if (paging_mem_size
& (FW_PAGING_SIZE
- 1)) {
1002 "Paging: image isn't multiple %lu\n",
1007 drv
->fw
.img
[IWL_UCODE_REGULAR
].paging_mem_size
=
1009 usniffer_img
= IWL_UCODE_REGULAR_USNIFFER
;
1010 drv
->fw
.img
[usniffer_img
].paging_mem_size
=
1013 case IWL_UCODE_TLV_SDIO_ADMA_ADDR
:
1014 if (tlv_len
!= sizeof(u32
))
1015 goto invalid_tlv_len
;
1016 drv
->fw
.sdio_adma_addr
=
1017 le32_to_cpup((__le32
*)tlv_data
);
1019 case IWL_UCODE_TLV_FW_GSCAN_CAPA
:
1021 * Don't return an error in case of a shorter tlv_len
1022 * to enable loading of FW that has an old format
1023 * of GSCAN capabilities TLV.
1025 if (tlv_len
< sizeof(struct iwl_fw_gscan_capabilities
))
1028 iwl_store_gscan_capa(&drv
->fw
, tlv_data
, tlv_len
);
1032 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
1037 if (!fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED
) &&
1038 usniffer_req
&& !*usniffer_images
) {
1040 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1045 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
1046 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
1051 * If ucode advertises that it supports GSCAN but GSCAN
1052 * capabilities TLV is not present, or if it has an old format,
1053 * warn and continue without GSCAN.
1055 if (fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
) &&
1058 "GSCAN is supported but capabilities TLV is unavailable\n");
1059 __clear_bit((__force
long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
,
1066 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
1068 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
1073 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
1074 struct iwl_firmware_pieces
*pieces
,
1075 enum iwl_ucode_type type
)
1079 i
< IWL_UCODE_SECTION_MAX
&& get_sec_size(pieces
, type
, i
);
1081 if (iwl_alloc_fw_desc(drv
, &(drv
->fw
.img
[type
].sec
[i
]),
1082 get_sec(pieces
, type
, i
)))
1087 static int validate_sec_sizes(struct iwl_drv
*drv
,
1088 struct iwl_firmware_pieces
*pieces
,
1089 const struct iwl_cfg
*cfg
)
1091 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %Zd\n",
1092 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1093 IWL_UCODE_SECTION_INST
));
1094 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %Zd\n",
1095 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1096 IWL_UCODE_SECTION_DATA
));
1097 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %Zd\n",
1098 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
1099 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %Zd\n",
1100 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
1102 /* Verify that uCode images will fit in card's SRAM. */
1103 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
1104 cfg
->max_inst_size
) {
1105 IWL_ERR(drv
, "uCode instr len %Zd too large to fit in\n",
1106 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1107 IWL_UCODE_SECTION_INST
));
1111 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
1112 cfg
->max_data_size
) {
1113 IWL_ERR(drv
, "uCode data len %Zd too large to fit in\n",
1114 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1115 IWL_UCODE_SECTION_DATA
));
1119 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
1120 cfg
->max_inst_size
) {
1121 IWL_ERR(drv
, "uCode init instr len %Zd too large to fit in\n",
1122 get_sec_size(pieces
, IWL_UCODE_INIT
,
1123 IWL_UCODE_SECTION_INST
));
1127 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
1128 cfg
->max_data_size
) {
1129 IWL_ERR(drv
, "uCode init data len %Zd too large to fit in\n",
1130 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1131 IWL_UCODE_SECTION_DATA
));
1137 static struct iwl_op_mode
*
1138 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
1140 const struct iwl_op_mode_ops
*ops
= op
->ops
;
1141 struct dentry
*dbgfs_dir
= NULL
;
1142 struct iwl_op_mode
*op_mode
= NULL
;
1144 #ifdef CONFIG_IWLWIFI_DEBUGFS
1145 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
1147 if (!drv
->dbgfs_op_mode
) {
1149 "failed to create opmode debugfs directory\n");
1152 dbgfs_dir
= drv
->dbgfs_op_mode
;
1155 op_mode
= ops
->start(drv
->trans
, drv
->cfg
, &drv
->fw
, dbgfs_dir
);
1157 #ifdef CONFIG_IWLWIFI_DEBUGFS
1159 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1160 drv
->dbgfs_op_mode
= NULL
;
1167 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
1169 /* op_mode can be NULL if its start failed */
1171 iwl_op_mode_stop(drv
->op_mode
);
1172 drv
->op_mode
= NULL
;
1174 #ifdef CONFIG_IWLWIFI_DEBUGFS
1175 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1176 drv
->dbgfs_op_mode
= NULL
;
1182 * iwl_req_fw_callback - callback when firmware was loaded
1184 * If loaded successfully, copies the firmware into buffers
1185 * for the card to fetch (via DMA).
1187 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
1189 struct iwl_drv
*drv
= context
;
1190 struct iwl_fw
*fw
= &drv
->fw
;
1191 struct iwl_ucode_header
*ucode
;
1192 struct iwlwifi_opmode_table
*op
;
1194 struct iwl_firmware_pieces
*pieces
;
1195 const unsigned int api_max
= drv
->cfg
->ucode_api_max
;
1196 unsigned int api_ok
= drv
->cfg
->ucode_api_ok
;
1197 const unsigned int api_min
= drv
->cfg
->ucode_api_min
;
1198 size_t trigger_tlv_sz
[FW_DBG_TRIGGER_MAX
];
1201 bool load_module
= false;
1202 bool usniffer_images
= false;
1204 fw
->ucode_capa
.max_probe_length
= IWL_DEFAULT_MAX_PROBE_LENGTH
;
1205 fw
->ucode_capa
.standard_phy_calibration_size
=
1206 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1207 fw
->ucode_capa
.n_scan_channels
= IWL_DEFAULT_SCAN_CHANNELS
;
1212 pieces
= kzalloc(sizeof(*pieces
), GFP_KERNEL
);
1217 if (drv
->fw_index
<= api_ok
)
1219 "request for firmware file '%s' failed.\n",
1220 drv
->firmware_name
);
1224 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
1225 drv
->firmware_name
, ucode_raw
->size
);
1227 /* Make sure that we got at least the API version number */
1228 if (ucode_raw
->size
< 4) {
1229 IWL_ERR(drv
, "File size way too small!\n");
1233 /* Data from ucode file: header followed by uCode images */
1234 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
1237 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, pieces
);
1239 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, pieces
,
1240 &fw
->ucode_capa
, &usniffer_images
);
1245 if (fw_has_api(&drv
->fw
.ucode_capa
, IWL_UCODE_TLV_API_NEW_VERSION
))
1246 api_ver
= drv
->fw
.ucode_ver
;
1248 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
1251 * api_ver should match the api version forming part of the
1252 * firmware filename ... but we don't check for that and only rely
1253 * on the API version read from firmware header from here on forward
1255 /* no api version check required for experimental uCode */
1256 if (drv
->fw_index
!= UCODE_EXPERIMENTAL_INDEX
) {
1257 if (api_ver
< api_min
|| api_ver
> api_max
) {
1259 "Driver unable to support your firmware API. "
1260 "Driver supports v%u, firmware is v%u.\n",
1265 if (api_ver
< api_ok
) {
1266 if (api_ok
!= api_max
)
1267 IWL_ERR(drv
, "Firmware has old API version, "
1268 "expected v%u through v%u, got v%u.\n",
1269 api_ok
, api_max
, api_ver
);
1271 IWL_ERR(drv
, "Firmware has old API version, "
1272 "expected v%u, got v%u.\n",
1274 IWL_ERR(drv
, "New firmware can be obtained from "
1275 "http://www.intellinuxwireless.org/.\n");
1280 * In mvm uCode there is no difference between data and instructions
1283 if (!fw
->mvm_fw
&& validate_sec_sizes(drv
, pieces
, drv
->cfg
))
1286 /* Allocate ucode buffers for card's bus-master loading ... */
1288 /* Runtime instructions and 2 copies of data:
1289 * 1) unmodified from disk
1290 * 2) backup cache for save/restore during power-downs */
1291 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
1292 if (iwl_alloc_ucode(drv
, pieces
, i
))
1295 if (pieces
->dbg_dest_tlv
) {
1296 drv
->fw
.dbg_dest_tlv
=
1297 kmemdup(pieces
->dbg_dest_tlv
,
1298 sizeof(*pieces
->dbg_dest_tlv
) +
1299 sizeof(pieces
->dbg_dest_tlv
->reg_ops
[0]) *
1300 drv
->fw
.dbg_dest_reg_num
, GFP_KERNEL
);
1302 if (!drv
->fw
.dbg_dest_tlv
)
1306 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++) {
1307 if (pieces
->dbg_conf_tlv
[i
]) {
1308 drv
->fw
.dbg_conf_tlv_len
[i
] =
1309 pieces
->dbg_conf_tlv_len
[i
];
1310 drv
->fw
.dbg_conf_tlv
[i
] =
1311 kmemdup(pieces
->dbg_conf_tlv
[i
],
1312 drv
->fw
.dbg_conf_tlv_len
[i
],
1314 if (!drv
->fw
.dbg_conf_tlv
[i
])
1319 memset(&trigger_tlv_sz
, 0xff, sizeof(trigger_tlv_sz
));
1321 trigger_tlv_sz
[FW_DBG_TRIGGER_MISSED_BEACONS
] =
1322 sizeof(struct iwl_fw_dbg_trigger_missed_bcon
);
1323 trigger_tlv_sz
[FW_DBG_TRIGGER_CHANNEL_SWITCH
] = 0;
1324 trigger_tlv_sz
[FW_DBG_TRIGGER_FW_NOTIF
] =
1325 sizeof(struct iwl_fw_dbg_trigger_cmd
);
1326 trigger_tlv_sz
[FW_DBG_TRIGGER_MLME
] =
1327 sizeof(struct iwl_fw_dbg_trigger_mlme
);
1328 trigger_tlv_sz
[FW_DBG_TRIGGER_STATS
] =
1329 sizeof(struct iwl_fw_dbg_trigger_stats
);
1330 trigger_tlv_sz
[FW_DBG_TRIGGER_RSSI
] =
1331 sizeof(struct iwl_fw_dbg_trigger_low_rssi
);
1332 trigger_tlv_sz
[FW_DBG_TRIGGER_TXQ_TIMERS
] =
1333 sizeof(struct iwl_fw_dbg_trigger_txq_timer
);
1334 trigger_tlv_sz
[FW_DBG_TRIGGER_TIME_EVENT
] =
1335 sizeof(struct iwl_fw_dbg_trigger_time_event
);
1336 trigger_tlv_sz
[FW_DBG_TRIGGER_BA
] =
1337 sizeof(struct iwl_fw_dbg_trigger_ba
);
1338 trigger_tlv_sz
[FW_DBG_TRIGGER_TDLS
] =
1339 sizeof(struct iwl_fw_dbg_trigger_tdls
);
1341 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++) {
1342 if (pieces
->dbg_trigger_tlv
[i
]) {
1344 * If the trigger isn't long enough, WARN and exit.
1345 * Someone is trying to debug something and he won't
1346 * be able to catch the bug he is trying to chase.
1347 * We'd better be noisy to be sure he knows what's
1350 if (WARN_ON(pieces
->dbg_trigger_tlv_len
[i
] <
1351 (trigger_tlv_sz
[i
] +
1352 sizeof(struct iwl_fw_dbg_trigger_tlv
))))
1354 drv
->fw
.dbg_trigger_tlv_len
[i
] =
1355 pieces
->dbg_trigger_tlv_len
[i
];
1356 drv
->fw
.dbg_trigger_tlv
[i
] =
1357 kmemdup(pieces
->dbg_trigger_tlv
[i
],
1358 drv
->fw
.dbg_trigger_tlv_len
[i
],
1360 if (!drv
->fw
.dbg_trigger_tlv
[i
])
1365 /* Now that we can no longer fail, copy information */
1368 * The (size - 16) / 12 formula is based on the information recorded
1369 * for each event, which is of mode 1 (including timestamp) for all
1370 * new microcodes that include this information.
1372 fw
->init_evtlog_ptr
= pieces
->init_evtlog_ptr
;
1373 if (pieces
->init_evtlog_size
)
1374 fw
->init_evtlog_size
= (pieces
->init_evtlog_size
- 16)/12;
1376 fw
->init_evtlog_size
=
1377 drv
->cfg
->base_params
->max_event_log_size
;
1378 fw
->init_errlog_ptr
= pieces
->init_errlog_ptr
;
1379 fw
->inst_evtlog_ptr
= pieces
->inst_evtlog_ptr
;
1380 if (pieces
->inst_evtlog_size
)
1381 fw
->inst_evtlog_size
= (pieces
->inst_evtlog_size
- 16)/12;
1383 fw
->inst_evtlog_size
=
1384 drv
->cfg
->base_params
->max_event_log_size
;
1385 fw
->inst_errlog_ptr
= pieces
->inst_errlog_ptr
;
1388 * figure out the offset of chain noise reset and gain commands
1389 * base on the size of standard phy calibration commands table size
1391 if (fw
->ucode_capa
.standard_phy_calibration_size
>
1392 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1393 fw
->ucode_capa
.standard_phy_calibration_size
=
1394 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1396 /* We have our copies now, allow OS release its copies */
1397 release_firmware(ucode_raw
);
1399 mutex_lock(&iwlwifi_opmode_table_mtx
);
1401 op
= &iwlwifi_opmode_table
[MVM_OP_MODE
];
1403 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
1405 IWL_INFO(drv
, "loaded firmware version %s op_mode %s\n",
1406 drv
->fw
.fw_version
, op
->name
);
1408 /* add this device to the list of devices using this op_mode */
1409 list_add_tail(&drv
->list
, &op
->drv
);
1412 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1414 if (!drv
->op_mode
) {
1415 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1421 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1424 * Complete the firmware request last so that
1425 * a driver unbind (stop) doesn't run while we
1426 * are doing the start() above.
1428 complete(&drv
->request_firmware_complete
);
1431 * Load the module last so we don't block anything
1432 * else from proceeding if the module fails to load
1436 err
= request_module("%s", op
->name
);
1437 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1440 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1448 /* try next, if any */
1449 release_firmware(ucode_raw
);
1450 if (iwl_request_firmware(drv
, false))
1456 IWL_ERR(drv
, "failed to allocate pci memory\n");
1457 iwl_dealloc_ucode(drv
);
1458 release_firmware(ucode_raw
);
1461 complete(&drv
->request_firmware_complete
);
1462 device_release_driver(drv
->trans
->dev
);
1465 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
,
1466 const struct iwl_cfg
*cfg
)
1468 struct iwl_drv
*drv
;
1471 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1478 drv
->dev
= trans
->dev
;
1481 init_completion(&drv
->request_firmware_complete
);
1482 INIT_LIST_HEAD(&drv
->list
);
1484 #ifdef CONFIG_IWLWIFI_DEBUGFS
1485 /* Create the device debugfs entries. */
1486 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1489 if (!drv
->dbgfs_drv
) {
1490 IWL_ERR(drv
, "failed to create debugfs directory\n");
1495 /* Create transport layer debugfs dir */
1496 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1498 if (!drv
->trans
->dbgfs_dir
) {
1499 IWL_ERR(drv
, "failed to create transport debugfs directory\n");
1501 goto err_free_dbgfs
;
1505 ret
= iwl_request_firmware(drv
, true);
1507 IWL_ERR(trans
, "Couldn't request the fw\n");
1514 #ifdef CONFIG_IWLWIFI_DEBUGFS
1516 debugfs_remove_recursive(drv
->dbgfs_drv
);
1521 return ERR_PTR(ret
);
1524 void iwl_drv_stop(struct iwl_drv
*drv
)
1526 wait_for_completion(&drv
->request_firmware_complete
);
1528 _iwl_op_mode_stop(drv
);
1530 iwl_dealloc_ucode(drv
);
1532 mutex_lock(&iwlwifi_opmode_table_mtx
);
1534 * List is empty (this item wasn't added)
1535 * when firmware loading failed -- in that
1536 * case we can't remove it from any list.
1538 if (!list_empty(&drv
->list
))
1539 list_del(&drv
->list
);
1540 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1542 #ifdef CONFIG_IWLWIFI_DEBUGFS
1543 debugfs_remove_recursive(drv
->dbgfs_drv
);
1550 /* shared module parameters */
1551 struct iwl_mod_params iwlwifi_mod_params
= {
1553 .bt_coex_active
= true,
1554 .power_level
= IWL_POWER_INDEX_1
,
1555 .d0i3_disable
= true,
1556 .d0i3_entry_delay
= 1000,
1557 #ifndef CONFIG_IWLWIFI_UAPSD
1558 .uapsd_disable
= true,
1559 #endif /* CONFIG_IWLWIFI_UAPSD */
1560 /* the rest are 0 by default */
1562 IWL_EXPORT_SYMBOL(iwlwifi_mod_params
);
1564 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1567 struct iwl_drv
*drv
;
1568 struct iwlwifi_opmode_table
*op
;
1570 mutex_lock(&iwlwifi_opmode_table_mtx
);
1571 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1572 op
= &iwlwifi_opmode_table
[i
];
1573 if (strcmp(op
->name
, name
))
1576 /* TODO: need to handle exceptional case */
1577 list_for_each_entry(drv
, &op
->drv
, list
)
1578 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1580 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1583 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1586 IWL_EXPORT_SYMBOL(iwl_opmode_register
);
1588 void iwl_opmode_deregister(const char *name
)
1591 struct iwl_drv
*drv
;
1593 mutex_lock(&iwlwifi_opmode_table_mtx
);
1594 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1595 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1597 iwlwifi_opmode_table
[i
].ops
= NULL
;
1599 /* call the stop routine for all devices */
1600 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1601 _iwl_op_mode_stop(drv
);
1603 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1606 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1608 IWL_EXPORT_SYMBOL(iwl_opmode_deregister
);
1610 static int __init
iwl_drv_init(void)
1614 mutex_init(&iwlwifi_opmode_table_mtx
);
1616 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1617 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1619 pr_info(DRV_DESCRIPTION
"\n");
1620 pr_info(DRV_COPYRIGHT
"\n");
1622 #ifdef CONFIG_IWLWIFI_DEBUGFS
1623 /* Create the root of iwlwifi debugfs subsystem. */
1624 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1626 if (!iwl_dbgfs_root
)
1630 return iwl_pci_register_driver();
1632 module_init(iwl_drv_init
);
1634 static void __exit
iwl_drv_exit(void)
1636 iwl_pci_unregister_driver();
1638 #ifdef CONFIG_IWLWIFI_DEBUGFS
1639 debugfs_remove_recursive(iwl_dbgfs_root
);
1642 module_exit(iwl_drv_exit
);
1644 #ifdef CONFIG_IWLWIFI_DEBUG
1645 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
,
1647 MODULE_PARM_DESC(debug
, "debug output mask");
1650 module_param_named(swcrypto
, iwlwifi_mod_params
.sw_crypto
, int, S_IRUGO
);
1651 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1652 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, S_IRUGO
);
1653 MODULE_PARM_DESC(11n_disable
,
1654 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1655 module_param_named(amsdu_size
, iwlwifi_mod_params
.amsdu_size
,
1657 MODULE_PARM_DESC(amsdu_size
, "amsdu size 0:4K 1:8K 2:12K (default 0)");
1658 module_param_named(fw_restart
, iwlwifi_mod_params
.restart_fw
, bool, S_IRUGO
);
1659 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error (default true)");
1661 module_param_named(antenna_coupling
, iwlwifi_mod_params
.ant_coupling
,
1663 MODULE_PARM_DESC(antenna_coupling
,
1664 "specify antenna coupling in dB (default: 0 dB)");
1666 module_param_named(nvm_file
, iwlwifi_mod_params
.nvm_file
, charp
, S_IRUGO
);
1667 MODULE_PARM_DESC(nvm_file
, "NVM file name");
1669 module_param_named(d0i3_disable
, iwlwifi_mod_params
.d0i3_disable
,
1671 MODULE_PARM_DESC(d0i3_disable
, "disable d0i3 functionality (default: Y)");
1673 module_param_named(lar_disable
, iwlwifi_mod_params
.lar_disable
,
1675 MODULE_PARM_DESC(lar_disable
, "disable LAR functionality (default: N)");
1677 module_param_named(uapsd_disable
, iwlwifi_mod_params
.uapsd_disable
,
1678 bool, S_IRUGO
| S_IWUSR
);
1679 #ifdef CONFIG_IWLWIFI_UAPSD
1680 MODULE_PARM_DESC(uapsd_disable
, "disable U-APSD functionality (default: N)");
1682 MODULE_PARM_DESC(uapsd_disable
, "disable U-APSD functionality (default: Y)");
1686 * set bt_coex_active to true, uCode will do kill/defer
1687 * every time the priority line is asserted (BT is sending signals on the
1688 * priority line in the PCIx).
1689 * set bt_coex_active to false, uCode will ignore the BT activity and
1690 * perform the normal operation
1692 * User might experience transmit issue on some platform due to WiFi/BT
1693 * co-exist problem. The possible behaviors are:
1694 * Able to scan and finding all the available AP
1695 * Not able to associate with any AP
1696 * On those platforms, WiFi communication can be restored by set
1697 * "bt_coex_active" module parameter to "false"
1699 * default: bt_coex_active = true (BT_COEX_ENABLE)
1701 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1703 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1705 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, S_IRUGO
);
1706 MODULE_PARM_DESC(led_mode
, "0=system default, "
1707 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1709 module_param_named(power_save
, iwlwifi_mod_params
.power_save
,
1711 MODULE_PARM_DESC(power_save
,
1712 "enable WiFi power management (default: disable)");
1714 module_param_named(power_level
, iwlwifi_mod_params
.power_level
,
1716 MODULE_PARM_DESC(power_level
,
1717 "default power save level (range from 1 - 5, default: 1)");
1719 module_param_named(fw_monitor
, iwlwifi_mod_params
.fw_monitor
, bool, S_IRUGO
);
1720 MODULE_PARM_DESC(fw_monitor
,
1721 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1723 module_param_named(d0i3_timeout
, iwlwifi_mod_params
.d0i3_entry_delay
,
1725 MODULE_PARM_DESC(d0i3_timeout
, "Timeout to D0i3 entry when idle (ms)");
1727 module_param_named(disable_11ac
, iwlwifi_mod_params
.disable_11ac
, bool,
1729 MODULE_PARM_DESC(disable_11ac
, "Disable VHT capabilities");