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
]);
182 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_mem_tlv
); i
++)
183 kfree(drv
->fw
.dbg_mem_tlv
[i
]);
185 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
186 iwl_free_fw_img(drv
, drv
->fw
.img
+ i
);
189 static int iwl_alloc_fw_desc(struct iwl_drv
*drv
, struct fw_desc
*desc
,
196 if (!sec
|| !sec
->size
)
199 data
= vmalloc(sec
->size
);
203 desc
->len
= sec
->size
;
204 desc
->offset
= sec
->offset
;
205 memcpy(data
, sec
->data
, desc
->len
);
211 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
,
214 #define UCODE_EXPERIMENTAL_INDEX 100
215 #define UCODE_EXPERIMENTAL_TAG "exp"
217 static int iwl_request_firmware(struct iwl_drv
*drv
, bool first
)
219 const char *name_pre
= drv
->cfg
->fw_name_pre
;
223 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
224 drv
->fw_index
= UCODE_EXPERIMENTAL_INDEX
;
225 strcpy(tag
, UCODE_EXPERIMENTAL_TAG
);
226 } else if (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
) {
228 drv
->fw_index
= drv
->cfg
->ucode_api_max
;
229 sprintf(tag
, "%d", drv
->fw_index
);
232 sprintf(tag
, "%d", drv
->fw_index
);
235 if (drv
->fw_index
< drv
->cfg
->ucode_api_min
) {
236 IWL_ERR(drv
, "no suitable firmware found!\n");
240 snprintf(drv
->firmware_name
, sizeof(drv
->firmware_name
), "%s%s.ucode",
243 IWL_DEBUG_INFO(drv
, "attempting to load firmware %s'%s'\n",
244 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
245 ? "EXPERIMENTAL " : "",
248 return request_firmware_nowait(THIS_MODULE
, 1, drv
->firmware_name
,
250 GFP_KERNEL
, drv
, iwl_req_fw_callback
);
253 struct fw_img_parsing
{
254 struct fw_sec sec
[IWL_UCODE_SECTION_MAX
];
259 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
261 struct fw_sec_parsing
{
267 * struct iwl_tlv_calib_data - parse the default calib data from TLV
269 * @ucode_type: the uCode to which the following default calib relates.
270 * @calib: default calibrations.
272 struct iwl_tlv_calib_data
{
274 struct iwl_tlv_calib_ctrl calib
;
277 struct iwl_firmware_pieces
{
278 struct fw_img_parsing img
[IWL_UCODE_TYPE_MAX
];
280 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
281 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
283 /* FW debug data parsed for driver usage */
284 struct iwl_fw_dbg_dest_tlv
*dbg_dest_tlv
;
285 struct iwl_fw_dbg_conf_tlv
*dbg_conf_tlv
[FW_DBG_CONF_MAX
];
286 size_t dbg_conf_tlv_len
[FW_DBG_CONF_MAX
];
287 struct iwl_fw_dbg_trigger_tlv
*dbg_trigger_tlv
[FW_DBG_TRIGGER_MAX
];
288 size_t dbg_trigger_tlv_len
[FW_DBG_TRIGGER_MAX
];
289 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem_tlv
[FW_DBG_MEM_MAX
];
293 * These functions are just to extract uCode section data from the pieces
296 static struct fw_sec
*get_sec(struct iwl_firmware_pieces
*pieces
,
297 enum iwl_ucode_type type
,
300 return &pieces
->img
[type
].sec
[sec
];
303 static void set_sec_data(struct iwl_firmware_pieces
*pieces
,
304 enum iwl_ucode_type type
,
308 pieces
->img
[type
].sec
[sec
].data
= data
;
311 static void set_sec_size(struct iwl_firmware_pieces
*pieces
,
312 enum iwl_ucode_type type
,
316 pieces
->img
[type
].sec
[sec
].size
= size
;
319 static size_t get_sec_size(struct iwl_firmware_pieces
*pieces
,
320 enum iwl_ucode_type type
,
323 return pieces
->img
[type
].sec
[sec
].size
;
326 static void set_sec_offset(struct iwl_firmware_pieces
*pieces
,
327 enum iwl_ucode_type type
,
331 pieces
->img
[type
].sec
[sec
].offset
= offset
;
334 static int iwl_store_cscheme(struct iwl_fw
*fw
, const u8
*data
, const u32 len
)
337 struct iwl_fw_cscheme_list
*l
= (struct iwl_fw_cscheme_list
*)data
;
338 struct iwl_fw_cipher_scheme
*fwcs
;
339 struct ieee80211_cipher_scheme
*cs
;
342 if (len
< sizeof(*l
) ||
343 len
< sizeof(l
->size
) + l
->size
* sizeof(l
->cs
[0]))
346 for (i
= 0, j
= 0; i
< IWL_UCODE_MAX_CS
&& i
< l
->size
; i
++) {
348 cipher
= le32_to_cpu(fwcs
->cipher
);
350 /* we skip schemes with zero cipher suite selector */
356 cs
->iftype
= BIT(NL80211_IFTYPE_STATION
);
357 cs
->hdr_len
= fwcs
->hdr_len
;
358 cs
->pn_len
= fwcs
->pn_len
;
359 cs
->pn_off
= fwcs
->pn_off
;
360 cs
->key_idx_off
= fwcs
->key_idx_off
;
361 cs
->key_idx_mask
= fwcs
->key_idx_mask
;
362 cs
->key_idx_shift
= fwcs
->key_idx_shift
;
363 cs
->mic_len
= fwcs
->mic_len
;
369 static void iwl_store_gscan_capa(struct iwl_fw
*fw
, const u8
*data
,
372 struct iwl_fw_gscan_capabilities
*fw_capa
= (void *)data
;
373 struct iwl_gscan_capabilities
*capa
= &fw
->gscan_capa
;
375 capa
->max_scan_cache_size
= le32_to_cpu(fw_capa
->max_scan_cache_size
);
376 capa
->max_scan_buckets
= le32_to_cpu(fw_capa
->max_scan_buckets
);
377 capa
->max_ap_cache_per_scan
=
378 le32_to_cpu(fw_capa
->max_ap_cache_per_scan
);
379 capa
->max_rssi_sample_size
= le32_to_cpu(fw_capa
->max_rssi_sample_size
);
380 capa
->max_scan_reporting_threshold
=
381 le32_to_cpu(fw_capa
->max_scan_reporting_threshold
);
382 capa
->max_hotlist_aps
= le32_to_cpu(fw_capa
->max_hotlist_aps
);
383 capa
->max_significant_change_aps
=
384 le32_to_cpu(fw_capa
->max_significant_change_aps
);
385 capa
->max_bssid_history_entries
=
386 le32_to_cpu(fw_capa
->max_bssid_history_entries
);
387 capa
->max_hotlist_ssids
= le32_to_cpu(fw_capa
->max_hotlist_ssids
);
388 capa
->max_number_epno_networks
=
389 le32_to_cpu(fw_capa
->max_number_epno_networks
);
390 capa
->max_number_epno_networks_by_ssid
=
391 le32_to_cpu(fw_capa
->max_number_epno_networks_by_ssid
);
392 capa
->max_number_of_white_listed_ssid
=
393 le32_to_cpu(fw_capa
->max_number_of_white_listed_ssid
);
394 capa
->max_number_of_black_listed_ssid
=
395 le32_to_cpu(fw_capa
->max_number_of_black_listed_ssid
);
399 * Gets uCode section from tlv.
401 static int iwl_store_ucode_sec(struct iwl_firmware_pieces
*pieces
,
402 const void *data
, enum iwl_ucode_type type
,
405 struct fw_img_parsing
*img
;
407 struct fw_sec_parsing
*sec_parse
;
409 if (WARN_ON(!pieces
|| !data
|| type
>= IWL_UCODE_TYPE_MAX
))
412 sec_parse
= (struct fw_sec_parsing
*)data
;
414 img
= &pieces
->img
[type
];
415 sec
= &img
->sec
[img
->sec_counter
];
417 sec
->offset
= le32_to_cpu(sec_parse
->offset
);
418 sec
->data
= sec_parse
->data
;
419 sec
->size
= size
- sizeof(sec_parse
->offset
);
426 static int iwl_set_default_calib(struct iwl_drv
*drv
, const u8
*data
)
428 struct iwl_tlv_calib_data
*def_calib
=
429 (struct iwl_tlv_calib_data
*)data
;
430 u32 ucode_type
= le32_to_cpu(def_calib
->ucode_type
);
431 if (ucode_type
>= IWL_UCODE_TYPE_MAX
) {
432 IWL_ERR(drv
, "Wrong ucode_type %u for default calibration.\n",
436 drv
->fw
.default_calib
[ucode_type
].flow_trigger
=
437 def_calib
->calib
.flow_trigger
;
438 drv
->fw
.default_calib
[ucode_type
].event_trigger
=
439 def_calib
->calib
.event_trigger
;
444 static int iwl_set_ucode_api_flags(struct iwl_drv
*drv
, const u8
*data
,
445 struct iwl_ucode_capabilities
*capa
)
447 const struct iwl_ucode_api
*ucode_api
= (void *)data
;
448 u32 api_index
= le32_to_cpu(ucode_api
->api_index
);
449 u32 api_flags
= le32_to_cpu(ucode_api
->api_flags
);
452 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API
, 32)) {
454 "api flags index %d larger than supported by driver\n",
456 /* don't return an error so we can load FW that has more bits */
460 for (i
= 0; i
< 32; i
++) {
461 if (api_flags
& BIT(i
))
462 __set_bit(i
+ 32 * api_index
, capa
->_api
);
468 static int iwl_set_ucode_capabilities(struct iwl_drv
*drv
, const u8
*data
,
469 struct iwl_ucode_capabilities
*capa
)
471 const struct iwl_ucode_capa
*ucode_capa
= (void *)data
;
472 u32 api_index
= le32_to_cpu(ucode_capa
->api_index
);
473 u32 api_flags
= le32_to_cpu(ucode_capa
->api_capa
);
476 if (api_index
>= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA
, 32)) {
478 "capa flags index %d larger than supported by driver\n",
480 /* don't return an error so we can load FW that has more bits */
484 for (i
= 0; i
< 32; i
++) {
485 if (api_flags
& BIT(i
))
486 __set_bit(i
+ 32 * api_index
, capa
->_capa
);
492 static int iwl_parse_v1_v2_firmware(struct iwl_drv
*drv
,
493 const struct firmware
*ucode_raw
,
494 struct iwl_firmware_pieces
*pieces
)
496 struct iwl_ucode_header
*ucode
= (void *)ucode_raw
->data
;
497 u32 api_ver
, hdr_size
, build
;
501 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
502 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
507 if (ucode_raw
->size
< hdr_size
) {
508 IWL_ERR(drv
, "File size too small!\n");
511 build
= le32_to_cpu(ucode
->u
.v2
.build
);
512 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
513 le32_to_cpu(ucode
->u
.v2
.inst_size
));
514 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
515 le32_to_cpu(ucode
->u
.v2
.data_size
));
516 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
517 le32_to_cpu(ucode
->u
.v2
.init_size
));
518 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
519 le32_to_cpu(ucode
->u
.v2
.init_data_size
));
520 src
= ucode
->u
.v2
.data
;
526 if (ucode_raw
->size
< hdr_size
) {
527 IWL_ERR(drv
, "File size too small!\n");
531 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
532 le32_to_cpu(ucode
->u
.v1
.inst_size
));
533 set_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
534 le32_to_cpu(ucode
->u
.v1
.data_size
));
535 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
536 le32_to_cpu(ucode
->u
.v1
.init_size
));
537 set_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
538 le32_to_cpu(ucode
->u
.v1
.init_data_size
));
539 src
= ucode
->u
.v1
.data
;
544 sprintf(buildstr
, " build %u%s", build
,
545 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
550 snprintf(drv
->fw
.fw_version
,
551 sizeof(drv
->fw
.fw_version
),
553 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
554 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
555 IWL_UCODE_API(drv
->fw
.ucode_ver
),
556 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
559 /* Verify size of file vs. image size info in file's header */
561 if (ucode_raw
->size
!= hdr_size
+
562 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) +
563 get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) +
564 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) +
565 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
)) {
568 "uCode file size %d does not match expected size\n",
569 (int)ucode_raw
->size
);
574 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
, src
);
575 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
);
576 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
,
577 IWLAGN_RTC_INST_LOWER_BOUND
);
578 set_sec_data(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
, src
);
579 src
+= get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
);
580 set_sec_offset(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
,
581 IWLAGN_RTC_DATA_LOWER_BOUND
);
582 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
, src
);
583 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
);
584 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
,
585 IWLAGN_RTC_INST_LOWER_BOUND
);
586 set_sec_data(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
, src
);
587 src
+= get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
);
588 set_sec_offset(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
,
589 IWLAGN_RTC_DATA_LOWER_BOUND
);
593 static int iwl_parse_tlv_firmware(struct iwl_drv
*drv
,
594 const struct firmware
*ucode_raw
,
595 struct iwl_firmware_pieces
*pieces
,
596 struct iwl_ucode_capabilities
*capa
,
597 bool *usniffer_images
)
599 struct iwl_tlv_ucode_header
*ucode
= (void *)ucode_raw
->data
;
600 struct iwl_ucode_tlv
*tlv
;
601 size_t len
= ucode_raw
->size
;
605 enum iwl_ucode_tlv_type tlv_type
;
608 u32 build
, paging_mem_size
;
610 bool usniffer_req
= false;
611 bool gscan_capa
= false;
613 if (len
< sizeof(*ucode
)) {
614 IWL_ERR(drv
, "uCode has invalid length: %zd\n", len
);
618 if (ucode
->magic
!= cpu_to_le32(IWL_TLV_UCODE_MAGIC
)) {
619 IWL_ERR(drv
, "invalid uCode magic: 0X%x\n",
620 le32_to_cpu(ucode
->magic
));
624 drv
->fw
.ucode_ver
= le32_to_cpu(ucode
->ver
);
625 memcpy(drv
->fw
.human_readable
, ucode
->human_readable
,
626 sizeof(drv
->fw
.human_readable
));
627 build
= le32_to_cpu(ucode
->build
);
630 sprintf(buildstr
, " build %u%s", build
,
631 (drv
->fw_index
== UCODE_EXPERIMENTAL_INDEX
)
636 snprintf(drv
->fw
.fw_version
,
637 sizeof(drv
->fw
.fw_version
),
639 IWL_UCODE_MAJOR(drv
->fw
.ucode_ver
),
640 IWL_UCODE_MINOR(drv
->fw
.ucode_ver
),
641 IWL_UCODE_API(drv
->fw
.ucode_ver
),
642 IWL_UCODE_SERIAL(drv
->fw
.ucode_ver
),
647 len
-= sizeof(*ucode
);
649 while (len
>= sizeof(*tlv
)) {
653 tlv_len
= le32_to_cpu(tlv
->length
);
654 tlv_type
= le32_to_cpu(tlv
->type
);
655 tlv_data
= tlv
->data
;
658 IWL_ERR(drv
, "invalid TLV len: %zd/%u\n",
662 len
-= ALIGN(tlv_len
, 4);
663 data
+= sizeof(*tlv
) + ALIGN(tlv_len
, 4);
666 case IWL_UCODE_TLV_INST
:
667 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
668 IWL_UCODE_SECTION_INST
, tlv_data
);
669 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
670 IWL_UCODE_SECTION_INST
, tlv_len
);
671 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
672 IWL_UCODE_SECTION_INST
,
673 IWLAGN_RTC_INST_LOWER_BOUND
);
675 case IWL_UCODE_TLV_DATA
:
676 set_sec_data(pieces
, IWL_UCODE_REGULAR
,
677 IWL_UCODE_SECTION_DATA
, tlv_data
);
678 set_sec_size(pieces
, IWL_UCODE_REGULAR
,
679 IWL_UCODE_SECTION_DATA
, tlv_len
);
680 set_sec_offset(pieces
, IWL_UCODE_REGULAR
,
681 IWL_UCODE_SECTION_DATA
,
682 IWLAGN_RTC_DATA_LOWER_BOUND
);
684 case IWL_UCODE_TLV_INIT
:
685 set_sec_data(pieces
, IWL_UCODE_INIT
,
686 IWL_UCODE_SECTION_INST
, tlv_data
);
687 set_sec_size(pieces
, IWL_UCODE_INIT
,
688 IWL_UCODE_SECTION_INST
, tlv_len
);
689 set_sec_offset(pieces
, IWL_UCODE_INIT
,
690 IWL_UCODE_SECTION_INST
,
691 IWLAGN_RTC_INST_LOWER_BOUND
);
693 case IWL_UCODE_TLV_INIT_DATA
:
694 set_sec_data(pieces
, IWL_UCODE_INIT
,
695 IWL_UCODE_SECTION_DATA
, tlv_data
);
696 set_sec_size(pieces
, IWL_UCODE_INIT
,
697 IWL_UCODE_SECTION_DATA
, tlv_len
);
698 set_sec_offset(pieces
, IWL_UCODE_INIT
,
699 IWL_UCODE_SECTION_DATA
,
700 IWLAGN_RTC_DATA_LOWER_BOUND
);
702 case IWL_UCODE_TLV_BOOT
:
703 IWL_ERR(drv
, "Found unexpected BOOT ucode\n");
705 case IWL_UCODE_TLV_PROBE_MAX_LEN
:
706 if (tlv_len
!= sizeof(u32
))
707 goto invalid_tlv_len
;
708 capa
->max_probe_length
=
709 le32_to_cpup((__le32
*)tlv_data
);
711 case IWL_UCODE_TLV_PAN
:
713 goto invalid_tlv_len
;
714 capa
->flags
|= IWL_UCODE_TLV_FLAGS_PAN
;
716 case IWL_UCODE_TLV_FLAGS
:
717 /* must be at least one u32 */
718 if (tlv_len
< sizeof(u32
))
719 goto invalid_tlv_len
;
720 /* and a proper number of u32s */
721 if (tlv_len
% sizeof(u32
))
722 goto invalid_tlv_len
;
724 * This driver only reads the first u32 as
725 * right now no more features are defined,
726 * if that changes then either the driver
727 * will not work with the new firmware, or
728 * it'll not take advantage of new features.
730 capa
->flags
= le32_to_cpup((__le32
*)tlv_data
);
732 case IWL_UCODE_TLV_API_CHANGES_SET
:
733 if (tlv_len
!= sizeof(struct iwl_ucode_api
))
734 goto invalid_tlv_len
;
735 if (iwl_set_ucode_api_flags(drv
, tlv_data
, capa
))
738 case IWL_UCODE_TLV_ENABLED_CAPABILITIES
:
739 if (tlv_len
!= sizeof(struct iwl_ucode_capa
))
740 goto invalid_tlv_len
;
741 if (iwl_set_ucode_capabilities(drv
, tlv_data
, capa
))
744 case IWL_UCODE_TLV_INIT_EVTLOG_PTR
:
745 if (tlv_len
!= sizeof(u32
))
746 goto invalid_tlv_len
;
747 pieces
->init_evtlog_ptr
=
748 le32_to_cpup((__le32
*)tlv_data
);
750 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE
:
751 if (tlv_len
!= sizeof(u32
))
752 goto invalid_tlv_len
;
753 pieces
->init_evtlog_size
=
754 le32_to_cpup((__le32
*)tlv_data
);
756 case IWL_UCODE_TLV_INIT_ERRLOG_PTR
:
757 if (tlv_len
!= sizeof(u32
))
758 goto invalid_tlv_len
;
759 pieces
->init_errlog_ptr
=
760 le32_to_cpup((__le32
*)tlv_data
);
762 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR
:
763 if (tlv_len
!= sizeof(u32
))
764 goto invalid_tlv_len
;
765 pieces
->inst_evtlog_ptr
=
766 le32_to_cpup((__le32
*)tlv_data
);
768 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
:
769 if (tlv_len
!= sizeof(u32
))
770 goto invalid_tlv_len
;
771 pieces
->inst_evtlog_size
=
772 le32_to_cpup((__le32
*)tlv_data
);
774 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR
:
775 if (tlv_len
!= sizeof(u32
))
776 goto invalid_tlv_len
;
777 pieces
->inst_errlog_ptr
=
778 le32_to_cpup((__le32
*)tlv_data
);
780 case IWL_UCODE_TLV_ENHANCE_SENS_TBL
:
782 goto invalid_tlv_len
;
783 drv
->fw
.enhance_sensitivity_table
= true;
785 case IWL_UCODE_TLV_WOWLAN_INST
:
786 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
787 IWL_UCODE_SECTION_INST
, tlv_data
);
788 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
789 IWL_UCODE_SECTION_INST
, tlv_len
);
790 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
791 IWL_UCODE_SECTION_INST
,
792 IWLAGN_RTC_INST_LOWER_BOUND
);
794 case IWL_UCODE_TLV_WOWLAN_DATA
:
795 set_sec_data(pieces
, IWL_UCODE_WOWLAN
,
796 IWL_UCODE_SECTION_DATA
, tlv_data
);
797 set_sec_size(pieces
, IWL_UCODE_WOWLAN
,
798 IWL_UCODE_SECTION_DATA
, tlv_len
);
799 set_sec_offset(pieces
, IWL_UCODE_WOWLAN
,
800 IWL_UCODE_SECTION_DATA
,
801 IWLAGN_RTC_DATA_LOWER_BOUND
);
803 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
:
804 if (tlv_len
!= sizeof(u32
))
805 goto invalid_tlv_len
;
806 capa
->standard_phy_calibration_size
=
807 le32_to_cpup((__le32
*)tlv_data
);
809 case IWL_UCODE_TLV_SEC_RT
:
810 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
812 drv
->fw
.mvm_fw
= true;
814 case IWL_UCODE_TLV_SEC_INIT
:
815 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
817 drv
->fw
.mvm_fw
= true;
819 case IWL_UCODE_TLV_SEC_WOWLAN
:
820 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
822 drv
->fw
.mvm_fw
= true;
824 case IWL_UCODE_TLV_DEF_CALIB
:
825 if (tlv_len
!= sizeof(struct iwl_tlv_calib_data
))
826 goto invalid_tlv_len
;
827 if (iwl_set_default_calib(drv
, tlv_data
))
830 case IWL_UCODE_TLV_PHY_SKU
:
831 if (tlv_len
!= sizeof(u32
))
832 goto invalid_tlv_len
;
833 drv
->fw
.phy_config
= le32_to_cpup((__le32
*)tlv_data
);
834 drv
->fw
.valid_tx_ant
= (drv
->fw
.phy_config
&
835 FW_PHY_CFG_TX_CHAIN
) >>
836 FW_PHY_CFG_TX_CHAIN_POS
;
837 drv
->fw
.valid_rx_ant
= (drv
->fw
.phy_config
&
838 FW_PHY_CFG_RX_CHAIN
) >>
839 FW_PHY_CFG_RX_CHAIN_POS
;
841 case IWL_UCODE_TLV_SECURE_SEC_RT
:
842 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_REGULAR
,
844 drv
->fw
.mvm_fw
= true;
846 case IWL_UCODE_TLV_SECURE_SEC_INIT
:
847 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_INIT
,
849 drv
->fw
.mvm_fw
= true;
851 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN
:
852 iwl_store_ucode_sec(pieces
, tlv_data
, IWL_UCODE_WOWLAN
,
854 drv
->fw
.mvm_fw
= true;
856 case IWL_UCODE_TLV_NUM_OF_CPU
:
857 if (tlv_len
!= sizeof(u32
))
858 goto invalid_tlv_len
;
860 le32_to_cpup((__le32
*)tlv_data
);
862 if (num_of_cpus
== 2) {
863 drv
->fw
.img
[IWL_UCODE_REGULAR
].is_dual_cpus
=
865 drv
->fw
.img
[IWL_UCODE_INIT
].is_dual_cpus
=
867 drv
->fw
.img
[IWL_UCODE_WOWLAN
].is_dual_cpus
=
869 } else if ((num_of_cpus
> 2) || (num_of_cpus
< 1)) {
870 IWL_ERR(drv
, "Driver support upto 2 CPUs\n");
874 case IWL_UCODE_TLV_CSCHEME
:
875 if (iwl_store_cscheme(&drv
->fw
, tlv_data
, tlv_len
))
876 goto invalid_tlv_len
;
878 case IWL_UCODE_TLV_N_SCAN_CHANNELS
:
879 if (tlv_len
!= sizeof(u32
))
880 goto invalid_tlv_len
;
881 capa
->n_scan_channels
=
882 le32_to_cpup((__le32
*)tlv_data
);
884 case IWL_UCODE_TLV_FW_VERSION
: {
885 __le32
*ptr
= (void *)tlv_data
;
889 if (tlv_len
!= sizeof(u32
) * 3)
890 goto invalid_tlv_len
;
892 major
= le32_to_cpup(ptr
++);
893 minor
= le32_to_cpup(ptr
++);
894 local_comp
= le32_to_cpup(ptr
);
896 snprintf(drv
->fw
.fw_version
,
897 sizeof(drv
->fw
.fw_version
), "%u.%u.%u",
898 major
, minor
, local_comp
);
901 case IWL_UCODE_TLV_FW_DBG_DEST
: {
902 struct iwl_fw_dbg_dest_tlv
*dest
= (void *)tlv_data
;
904 if (pieces
->dbg_dest_tlv
) {
906 "dbg destination ignored, already exists\n");
910 pieces
->dbg_dest_tlv
= dest
;
911 IWL_INFO(drv
, "Found debug destination: %s\n",
912 get_fw_dbg_mode_string(dest
->monitor_mode
));
914 drv
->fw
.dbg_dest_reg_num
=
915 tlv_len
- offsetof(struct iwl_fw_dbg_dest_tlv
,
917 drv
->fw
.dbg_dest_reg_num
/=
918 sizeof(drv
->fw
.dbg_dest_tlv
->reg_ops
[0]);
922 case IWL_UCODE_TLV_FW_DBG_CONF
: {
923 struct iwl_fw_dbg_conf_tlv
*conf
= (void *)tlv_data
;
925 if (!pieces
->dbg_dest_tlv
) {
927 "Ignore dbg config %d - no destination configured\n",
932 if (conf
->id
>= ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
)) {
934 "Skip unknown configuration: %d\n",
939 if (pieces
->dbg_conf_tlv
[conf
->id
]) {
941 "Ignore duplicate dbg config %d\n",
949 IWL_INFO(drv
, "Found debug configuration: %d\n",
952 pieces
->dbg_conf_tlv
[conf
->id
] = conf
;
953 pieces
->dbg_conf_tlv_len
[conf
->id
] = tlv_len
;
956 case IWL_UCODE_TLV_FW_DBG_TRIGGER
: {
957 struct iwl_fw_dbg_trigger_tlv
*trigger
=
959 u32 trigger_id
= le32_to_cpu(trigger
->id
);
961 if (trigger_id
>= ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
)) {
963 "Skip unknown trigger: %u\n",
968 if (pieces
->dbg_trigger_tlv
[trigger_id
]) {
970 "Ignore duplicate dbg trigger %u\n",
975 IWL_INFO(drv
, "Found debug trigger: %u\n", trigger
->id
);
977 pieces
->dbg_trigger_tlv
[trigger_id
] = trigger
;
978 pieces
->dbg_trigger_tlv_len
[trigger_id
] = tlv_len
;
981 case IWL_UCODE_TLV_SEC_RT_USNIFFER
:
982 *usniffer_images
= true;
983 iwl_store_ucode_sec(pieces
, tlv_data
,
984 IWL_UCODE_REGULAR_USNIFFER
,
987 case IWL_UCODE_TLV_PAGING
:
988 if (tlv_len
!= sizeof(u32
))
989 goto invalid_tlv_len
;
990 paging_mem_size
= le32_to_cpup((__le32
*)tlv_data
);
993 "Paging: paging enabled (size = %u bytes)\n",
996 if (paging_mem_size
> MAX_PAGING_IMAGE_SIZE
) {
998 "Paging: driver supports up to %lu bytes for paging image\n",
999 MAX_PAGING_IMAGE_SIZE
);
1003 if (paging_mem_size
& (FW_PAGING_SIZE
- 1)) {
1005 "Paging: image isn't multiple %lu\n",
1010 drv
->fw
.img
[IWL_UCODE_REGULAR
].paging_mem_size
=
1012 usniffer_img
= IWL_UCODE_REGULAR_USNIFFER
;
1013 drv
->fw
.img
[usniffer_img
].paging_mem_size
=
1016 case IWL_UCODE_TLV_SDIO_ADMA_ADDR
:
1017 if (tlv_len
!= sizeof(u32
))
1018 goto invalid_tlv_len
;
1019 drv
->fw
.sdio_adma_addr
=
1020 le32_to_cpup((__le32
*)tlv_data
);
1022 case IWL_UCODE_TLV_FW_GSCAN_CAPA
:
1024 * Don't return an error in case of a shorter tlv_len
1025 * to enable loading of FW that has an old format
1026 * of GSCAN capabilities TLV.
1028 if (tlv_len
< sizeof(struct iwl_fw_gscan_capabilities
))
1031 iwl_store_gscan_capa(&drv
->fw
, tlv_data
, tlv_len
);
1034 case IWL_UCODE_TLV_FW_MEM_SEG
: {
1035 struct iwl_fw_dbg_mem_seg_tlv
*dbg_mem
=
1039 if (tlv_len
!= (sizeof(*dbg_mem
)))
1040 goto invalid_tlv_len
;
1042 type
= le32_to_cpu(dbg_mem
->data_type
);
1043 drv
->fw
.dbg_dynamic_mem
= true;
1045 if (type
>= ARRAY_SIZE(drv
->fw
.dbg_mem_tlv
)) {
1047 "Skip unknown dbg mem segment: %u\n",
1048 dbg_mem
->data_type
);
1052 if (pieces
->dbg_mem_tlv
[type
]) {
1054 "Ignore duplicate mem segment: %u\n",
1055 dbg_mem
->data_type
);
1059 IWL_DEBUG_INFO(drv
, "Found debug memory segment: %u\n",
1060 dbg_mem
->data_type
);
1062 pieces
->dbg_mem_tlv
[type
] = dbg_mem
;
1066 IWL_DEBUG_INFO(drv
, "unknown TLV: %d\n", tlv_type
);
1071 if (!fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED
) &&
1072 usniffer_req
&& !*usniffer_images
) {
1074 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1079 IWL_ERR(drv
, "invalid TLV after parsing: %zd\n", len
);
1080 iwl_print_hex_dump(drv
, IWL_DL_FW
, (u8
*)data
, len
);
1085 * If ucode advertises that it supports GSCAN but GSCAN
1086 * capabilities TLV is not present, or if it has an old format,
1087 * warn and continue without GSCAN.
1089 if (fw_has_capa(capa
, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
) &&
1092 "GSCAN is supported but capabilities TLV is unavailable\n");
1093 __clear_bit((__force
long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT
,
1100 IWL_ERR(drv
, "TLV %d has invalid size: %u\n", tlv_type
, tlv_len
);
1102 iwl_print_hex_dump(drv
, IWL_DL_FW
, tlv_data
, tlv_len
);
1107 static int iwl_alloc_ucode(struct iwl_drv
*drv
,
1108 struct iwl_firmware_pieces
*pieces
,
1109 enum iwl_ucode_type type
)
1113 i
< IWL_UCODE_SECTION_MAX
&& get_sec_size(pieces
, type
, i
);
1115 if (iwl_alloc_fw_desc(drv
, &(drv
->fw
.img
[type
].sec
[i
]),
1116 get_sec(pieces
, type
, i
)))
1121 static int validate_sec_sizes(struct iwl_drv
*drv
,
1122 struct iwl_firmware_pieces
*pieces
,
1123 const struct iwl_cfg
*cfg
)
1125 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime inst size = %Zd\n",
1126 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1127 IWL_UCODE_SECTION_INST
));
1128 IWL_DEBUG_INFO(drv
, "f/w package hdr runtime data size = %Zd\n",
1129 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1130 IWL_UCODE_SECTION_DATA
));
1131 IWL_DEBUG_INFO(drv
, "f/w package hdr init inst size = %Zd\n",
1132 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
));
1133 IWL_DEBUG_INFO(drv
, "f/w package hdr init data size = %Zd\n",
1134 get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
));
1136 /* Verify that uCode images will fit in card's SRAM. */
1137 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_INST
) >
1138 cfg
->max_inst_size
) {
1139 IWL_ERR(drv
, "uCode instr len %Zd too large to fit in\n",
1140 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1141 IWL_UCODE_SECTION_INST
));
1145 if (get_sec_size(pieces
, IWL_UCODE_REGULAR
, IWL_UCODE_SECTION_DATA
) >
1146 cfg
->max_data_size
) {
1147 IWL_ERR(drv
, "uCode data len %Zd too large to fit in\n",
1148 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1149 IWL_UCODE_SECTION_DATA
));
1153 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_INST
) >
1154 cfg
->max_inst_size
) {
1155 IWL_ERR(drv
, "uCode init instr len %Zd too large to fit in\n",
1156 get_sec_size(pieces
, IWL_UCODE_INIT
,
1157 IWL_UCODE_SECTION_INST
));
1161 if (get_sec_size(pieces
, IWL_UCODE_INIT
, IWL_UCODE_SECTION_DATA
) >
1162 cfg
->max_data_size
) {
1163 IWL_ERR(drv
, "uCode init data len %Zd too large to fit in\n",
1164 get_sec_size(pieces
, IWL_UCODE_REGULAR
,
1165 IWL_UCODE_SECTION_DATA
));
1171 static struct iwl_op_mode
*
1172 _iwl_op_mode_start(struct iwl_drv
*drv
, struct iwlwifi_opmode_table
*op
)
1174 const struct iwl_op_mode_ops
*ops
= op
->ops
;
1175 struct dentry
*dbgfs_dir
= NULL
;
1176 struct iwl_op_mode
*op_mode
= NULL
;
1178 #ifdef CONFIG_IWLWIFI_DEBUGFS
1179 drv
->dbgfs_op_mode
= debugfs_create_dir(op
->name
,
1181 if (!drv
->dbgfs_op_mode
) {
1183 "failed to create opmode debugfs directory\n");
1186 dbgfs_dir
= drv
->dbgfs_op_mode
;
1189 op_mode
= ops
->start(drv
->trans
, drv
->cfg
, &drv
->fw
, dbgfs_dir
);
1191 #ifdef CONFIG_IWLWIFI_DEBUGFS
1193 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1194 drv
->dbgfs_op_mode
= NULL
;
1201 static void _iwl_op_mode_stop(struct iwl_drv
*drv
)
1203 /* op_mode can be NULL if its start failed */
1205 iwl_op_mode_stop(drv
->op_mode
);
1206 drv
->op_mode
= NULL
;
1208 #ifdef CONFIG_IWLWIFI_DEBUGFS
1209 debugfs_remove_recursive(drv
->dbgfs_op_mode
);
1210 drv
->dbgfs_op_mode
= NULL
;
1216 * iwl_req_fw_callback - callback when firmware was loaded
1218 * If loaded successfully, copies the firmware into buffers
1219 * for the card to fetch (via DMA).
1221 static void iwl_req_fw_callback(const struct firmware
*ucode_raw
, void *context
)
1223 struct iwl_drv
*drv
= context
;
1224 struct iwl_fw
*fw
= &drv
->fw
;
1225 struct iwl_ucode_header
*ucode
;
1226 struct iwlwifi_opmode_table
*op
;
1228 struct iwl_firmware_pieces
*pieces
;
1229 const unsigned int api_max
= drv
->cfg
->ucode_api_max
;
1230 const unsigned int api_min
= drv
->cfg
->ucode_api_min
;
1231 size_t trigger_tlv_sz
[FW_DBG_TRIGGER_MAX
];
1234 bool load_module
= false;
1235 bool usniffer_images
= false;
1237 fw
->ucode_capa
.max_probe_length
= IWL_DEFAULT_MAX_PROBE_LENGTH
;
1238 fw
->ucode_capa
.standard_phy_calibration_size
=
1239 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1240 fw
->ucode_capa
.n_scan_channels
= IWL_DEFAULT_SCAN_CHANNELS
;
1242 pieces
= kzalloc(sizeof(*pieces
), GFP_KERNEL
);
1249 IWL_DEBUG_INFO(drv
, "Loaded firmware file '%s' (%zd bytes).\n",
1250 drv
->firmware_name
, ucode_raw
->size
);
1252 /* Make sure that we got at least the API version number */
1253 if (ucode_raw
->size
< 4) {
1254 IWL_ERR(drv
, "File size way too small!\n");
1258 /* Data from ucode file: header followed by uCode images */
1259 ucode
= (struct iwl_ucode_header
*)ucode_raw
->data
;
1262 err
= iwl_parse_v1_v2_firmware(drv
, ucode_raw
, pieces
);
1264 err
= iwl_parse_tlv_firmware(drv
, ucode_raw
, pieces
,
1265 &fw
->ucode_capa
, &usniffer_images
);
1270 if (fw_has_api(&drv
->fw
.ucode_capa
, IWL_UCODE_TLV_API_NEW_VERSION
))
1271 api_ver
= drv
->fw
.ucode_ver
;
1273 api_ver
= IWL_UCODE_API(drv
->fw
.ucode_ver
);
1276 * api_ver should match the api version forming part of the
1277 * firmware filename ... but we don't check for that and only rely
1278 * on the API version read from firmware header from here on forward
1280 /* no api version check required for experimental uCode */
1281 if (drv
->fw_index
!= UCODE_EXPERIMENTAL_INDEX
) {
1282 if (api_ver
< api_min
|| api_ver
> api_max
) {
1284 "Driver unable to support your firmware API. "
1285 "Driver supports v%u, firmware is v%u.\n",
1292 * In mvm uCode there is no difference between data and instructions
1295 if (!fw
->mvm_fw
&& validate_sec_sizes(drv
, pieces
, drv
->cfg
))
1298 /* Allocate ucode buffers for card's bus-master loading ... */
1300 /* Runtime instructions and 2 copies of data:
1301 * 1) unmodified from disk
1302 * 2) backup cache for save/restore during power-downs */
1303 for (i
= 0; i
< IWL_UCODE_TYPE_MAX
; i
++)
1304 if (iwl_alloc_ucode(drv
, pieces
, i
))
1307 if (pieces
->dbg_dest_tlv
) {
1308 drv
->fw
.dbg_dest_tlv
=
1309 kmemdup(pieces
->dbg_dest_tlv
,
1310 sizeof(*pieces
->dbg_dest_tlv
) +
1311 sizeof(pieces
->dbg_dest_tlv
->reg_ops
[0]) *
1312 drv
->fw
.dbg_dest_reg_num
, GFP_KERNEL
);
1314 if (!drv
->fw
.dbg_dest_tlv
)
1318 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_conf_tlv
); i
++) {
1319 if (pieces
->dbg_conf_tlv
[i
]) {
1320 drv
->fw
.dbg_conf_tlv_len
[i
] =
1321 pieces
->dbg_conf_tlv_len
[i
];
1322 drv
->fw
.dbg_conf_tlv
[i
] =
1323 kmemdup(pieces
->dbg_conf_tlv
[i
],
1324 drv
->fw
.dbg_conf_tlv_len
[i
],
1326 if (!drv
->fw
.dbg_conf_tlv
[i
])
1331 memset(&trigger_tlv_sz
, 0xff, sizeof(trigger_tlv_sz
));
1333 trigger_tlv_sz
[FW_DBG_TRIGGER_MISSED_BEACONS
] =
1334 sizeof(struct iwl_fw_dbg_trigger_missed_bcon
);
1335 trigger_tlv_sz
[FW_DBG_TRIGGER_CHANNEL_SWITCH
] = 0;
1336 trigger_tlv_sz
[FW_DBG_TRIGGER_FW_NOTIF
] =
1337 sizeof(struct iwl_fw_dbg_trigger_cmd
);
1338 trigger_tlv_sz
[FW_DBG_TRIGGER_MLME
] =
1339 sizeof(struct iwl_fw_dbg_trigger_mlme
);
1340 trigger_tlv_sz
[FW_DBG_TRIGGER_STATS
] =
1341 sizeof(struct iwl_fw_dbg_trigger_stats
);
1342 trigger_tlv_sz
[FW_DBG_TRIGGER_RSSI
] =
1343 sizeof(struct iwl_fw_dbg_trigger_low_rssi
);
1344 trigger_tlv_sz
[FW_DBG_TRIGGER_TXQ_TIMERS
] =
1345 sizeof(struct iwl_fw_dbg_trigger_txq_timer
);
1346 trigger_tlv_sz
[FW_DBG_TRIGGER_TIME_EVENT
] =
1347 sizeof(struct iwl_fw_dbg_trigger_time_event
);
1348 trigger_tlv_sz
[FW_DBG_TRIGGER_BA
] =
1349 sizeof(struct iwl_fw_dbg_trigger_ba
);
1350 trigger_tlv_sz
[FW_DBG_TRIGGER_TDLS
] =
1351 sizeof(struct iwl_fw_dbg_trigger_tdls
);
1353 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_trigger_tlv
); i
++) {
1354 if (pieces
->dbg_trigger_tlv
[i
]) {
1356 * If the trigger isn't long enough, WARN and exit.
1357 * Someone is trying to debug something and he won't
1358 * be able to catch the bug he is trying to chase.
1359 * We'd better be noisy to be sure he knows what's
1362 if (WARN_ON(pieces
->dbg_trigger_tlv_len
[i
] <
1363 (trigger_tlv_sz
[i
] +
1364 sizeof(struct iwl_fw_dbg_trigger_tlv
))))
1366 drv
->fw
.dbg_trigger_tlv_len
[i
] =
1367 pieces
->dbg_trigger_tlv_len
[i
];
1368 drv
->fw
.dbg_trigger_tlv
[i
] =
1369 kmemdup(pieces
->dbg_trigger_tlv
[i
],
1370 drv
->fw
.dbg_trigger_tlv_len
[i
],
1372 if (!drv
->fw
.dbg_trigger_tlv
[i
])
1377 for (i
= 0; i
< ARRAY_SIZE(drv
->fw
.dbg_mem_tlv
); i
++) {
1378 if (pieces
->dbg_mem_tlv
[i
]) {
1379 drv
->fw
.dbg_mem_tlv
[i
] =
1380 kmemdup(pieces
->dbg_mem_tlv
[i
],
1381 sizeof(*drv
->fw
.dbg_mem_tlv
[i
]),
1383 if (!drv
->fw
.dbg_mem_tlv
[i
])
1388 /* Now that we can no longer fail, copy information */
1391 * The (size - 16) / 12 formula is based on the information recorded
1392 * for each event, which is of mode 1 (including timestamp) for all
1393 * new microcodes that include this information.
1395 fw
->init_evtlog_ptr
= pieces
->init_evtlog_ptr
;
1396 if (pieces
->init_evtlog_size
)
1397 fw
->init_evtlog_size
= (pieces
->init_evtlog_size
- 16)/12;
1399 fw
->init_evtlog_size
=
1400 drv
->cfg
->base_params
->max_event_log_size
;
1401 fw
->init_errlog_ptr
= pieces
->init_errlog_ptr
;
1402 fw
->inst_evtlog_ptr
= pieces
->inst_evtlog_ptr
;
1403 if (pieces
->inst_evtlog_size
)
1404 fw
->inst_evtlog_size
= (pieces
->inst_evtlog_size
- 16)/12;
1406 fw
->inst_evtlog_size
=
1407 drv
->cfg
->base_params
->max_event_log_size
;
1408 fw
->inst_errlog_ptr
= pieces
->inst_errlog_ptr
;
1411 * figure out the offset of chain noise reset and gain commands
1412 * base on the size of standard phy calibration commands table size
1414 if (fw
->ucode_capa
.standard_phy_calibration_size
>
1415 IWL_MAX_PHY_CALIBRATE_TBL_SIZE
)
1416 fw
->ucode_capa
.standard_phy_calibration_size
=
1417 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE
;
1419 /* We have our copies now, allow OS release its copies */
1420 release_firmware(ucode_raw
);
1422 mutex_lock(&iwlwifi_opmode_table_mtx
);
1424 op
= &iwlwifi_opmode_table
[MVM_OP_MODE
];
1426 op
= &iwlwifi_opmode_table
[DVM_OP_MODE
];
1428 IWL_INFO(drv
, "loaded firmware version %s op_mode %s\n",
1429 drv
->fw
.fw_version
, op
->name
);
1431 /* add this device to the list of devices using this op_mode */
1432 list_add_tail(&drv
->list
, &op
->drv
);
1435 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1437 if (!drv
->op_mode
) {
1438 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1444 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1447 * Complete the firmware request last so that
1448 * a driver unbind (stop) doesn't run while we
1449 * are doing the start() above.
1451 complete(&drv
->request_firmware_complete
);
1454 * Load the module last so we don't block anything
1455 * else from proceeding if the module fails to load
1459 err
= request_module("%s", op
->name
);
1460 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1463 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1471 /* try next, if any */
1472 release_firmware(ucode_raw
);
1473 if (iwl_request_firmware(drv
, false))
1479 IWL_ERR(drv
, "failed to allocate pci memory\n");
1480 iwl_dealloc_ucode(drv
);
1481 release_firmware(ucode_raw
);
1484 complete(&drv
->request_firmware_complete
);
1485 device_release_driver(drv
->trans
->dev
);
1488 struct iwl_drv
*iwl_drv_start(struct iwl_trans
*trans
,
1489 const struct iwl_cfg
*cfg
)
1491 struct iwl_drv
*drv
;
1494 drv
= kzalloc(sizeof(*drv
), GFP_KERNEL
);
1501 drv
->dev
= trans
->dev
;
1504 init_completion(&drv
->request_firmware_complete
);
1505 INIT_LIST_HEAD(&drv
->list
);
1507 #ifdef CONFIG_IWLWIFI_DEBUGFS
1508 /* Create the device debugfs entries. */
1509 drv
->dbgfs_drv
= debugfs_create_dir(dev_name(trans
->dev
),
1512 if (!drv
->dbgfs_drv
) {
1513 IWL_ERR(drv
, "failed to create debugfs directory\n");
1518 /* Create transport layer debugfs dir */
1519 drv
->trans
->dbgfs_dir
= debugfs_create_dir("trans", drv
->dbgfs_drv
);
1521 if (!drv
->trans
->dbgfs_dir
) {
1522 IWL_ERR(drv
, "failed to create transport debugfs directory\n");
1524 goto err_free_dbgfs
;
1528 ret
= iwl_request_firmware(drv
, true);
1530 IWL_ERR(trans
, "Couldn't request the fw\n");
1537 #ifdef CONFIG_IWLWIFI_DEBUGFS
1539 debugfs_remove_recursive(drv
->dbgfs_drv
);
1544 return ERR_PTR(ret
);
1547 void iwl_drv_stop(struct iwl_drv
*drv
)
1549 wait_for_completion(&drv
->request_firmware_complete
);
1551 _iwl_op_mode_stop(drv
);
1553 iwl_dealloc_ucode(drv
);
1555 mutex_lock(&iwlwifi_opmode_table_mtx
);
1557 * List is empty (this item wasn't added)
1558 * when firmware loading failed -- in that
1559 * case we can't remove it from any list.
1561 if (!list_empty(&drv
->list
))
1562 list_del(&drv
->list
);
1563 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1565 #ifdef CONFIG_IWLWIFI_DEBUGFS
1566 debugfs_remove_recursive(drv
->dbgfs_drv
);
1573 /* shared module parameters */
1574 struct iwl_mod_params iwlwifi_mod_params
= {
1576 .bt_coex_active
= true,
1577 .power_level
= IWL_POWER_INDEX_1
,
1578 .d0i3_disable
= true,
1579 .d0i3_entry_delay
= 1000,
1580 .uapsd_disable
= IWL_DISABLE_UAPSD_BSS
| IWL_DISABLE_UAPSD_P2P_CLIENT
,
1581 /* the rest are 0 by default */
1583 IWL_EXPORT_SYMBOL(iwlwifi_mod_params
);
1585 int iwl_opmode_register(const char *name
, const struct iwl_op_mode_ops
*ops
)
1588 struct iwl_drv
*drv
;
1589 struct iwlwifi_opmode_table
*op
;
1591 mutex_lock(&iwlwifi_opmode_table_mtx
);
1592 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1593 op
= &iwlwifi_opmode_table
[i
];
1594 if (strcmp(op
->name
, name
))
1597 /* TODO: need to handle exceptional case */
1598 list_for_each_entry(drv
, &op
->drv
, list
)
1599 drv
->op_mode
= _iwl_op_mode_start(drv
, op
);
1601 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1604 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1607 IWL_EXPORT_SYMBOL(iwl_opmode_register
);
1609 void iwl_opmode_deregister(const char *name
)
1612 struct iwl_drv
*drv
;
1614 mutex_lock(&iwlwifi_opmode_table_mtx
);
1615 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++) {
1616 if (strcmp(iwlwifi_opmode_table
[i
].name
, name
))
1618 iwlwifi_opmode_table
[i
].ops
= NULL
;
1620 /* call the stop routine for all devices */
1621 list_for_each_entry(drv
, &iwlwifi_opmode_table
[i
].drv
, list
)
1622 _iwl_op_mode_stop(drv
);
1624 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1627 mutex_unlock(&iwlwifi_opmode_table_mtx
);
1629 IWL_EXPORT_SYMBOL(iwl_opmode_deregister
);
1631 static int __init
iwl_drv_init(void)
1635 mutex_init(&iwlwifi_opmode_table_mtx
);
1637 for (i
= 0; i
< ARRAY_SIZE(iwlwifi_opmode_table
); i
++)
1638 INIT_LIST_HEAD(&iwlwifi_opmode_table
[i
].drv
);
1640 pr_info(DRV_DESCRIPTION
"\n");
1641 pr_info(DRV_COPYRIGHT
"\n");
1643 #ifdef CONFIG_IWLWIFI_DEBUGFS
1644 /* Create the root of iwlwifi debugfs subsystem. */
1645 iwl_dbgfs_root
= debugfs_create_dir(DRV_NAME
, NULL
);
1647 if (!iwl_dbgfs_root
)
1651 return iwl_pci_register_driver();
1653 module_init(iwl_drv_init
);
1655 static void __exit
iwl_drv_exit(void)
1657 iwl_pci_unregister_driver();
1659 #ifdef CONFIG_IWLWIFI_DEBUGFS
1660 debugfs_remove_recursive(iwl_dbgfs_root
);
1663 module_exit(iwl_drv_exit
);
1665 #ifdef CONFIG_IWLWIFI_DEBUG
1666 module_param_named(debug
, iwlwifi_mod_params
.debug_level
, uint
,
1668 MODULE_PARM_DESC(debug
, "debug output mask");
1671 module_param_named(swcrypto
, iwlwifi_mod_params
.sw_crypto
, int, S_IRUGO
);
1672 MODULE_PARM_DESC(swcrypto
, "using crypto in software (default 0 [hardware])");
1673 module_param_named(11n_disable
, iwlwifi_mod_params
.disable_11n
, uint
, S_IRUGO
);
1674 MODULE_PARM_DESC(11n_disable
,
1675 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1676 module_param_named(amsdu_size
, iwlwifi_mod_params
.amsdu_size
,
1678 MODULE_PARM_DESC(amsdu_size
, "amsdu size 0:4K 1:8K 2:12K (default 0)");
1679 module_param_named(fw_restart
, iwlwifi_mod_params
.restart_fw
, bool, S_IRUGO
);
1680 MODULE_PARM_DESC(fw_restart
, "restart firmware in case of error (default true)");
1682 module_param_named(antenna_coupling
, iwlwifi_mod_params
.ant_coupling
,
1684 MODULE_PARM_DESC(antenna_coupling
,
1685 "specify antenna coupling in dB (default: 0 dB)");
1687 module_param_named(nvm_file
, iwlwifi_mod_params
.nvm_file
, charp
, S_IRUGO
);
1688 MODULE_PARM_DESC(nvm_file
, "NVM file name");
1690 module_param_named(d0i3_disable
, iwlwifi_mod_params
.d0i3_disable
,
1692 MODULE_PARM_DESC(d0i3_disable
, "disable d0i3 functionality (default: Y)");
1694 module_param_named(lar_disable
, iwlwifi_mod_params
.lar_disable
,
1696 MODULE_PARM_DESC(lar_disable
, "disable LAR functionality (default: N)");
1698 module_param_named(uapsd_disable
, iwlwifi_mod_params
.uapsd_disable
,
1699 uint
, S_IRUGO
| S_IWUSR
);
1700 MODULE_PARM_DESC(uapsd_disable
,
1701 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1704 * set bt_coex_active to true, uCode will do kill/defer
1705 * every time the priority line is asserted (BT is sending signals on the
1706 * priority line in the PCIx).
1707 * set bt_coex_active to false, uCode will ignore the BT activity and
1708 * perform the normal operation
1710 * User might experience transmit issue on some platform due to WiFi/BT
1711 * co-exist problem. The possible behaviors are:
1712 * Able to scan and finding all the available AP
1713 * Not able to associate with any AP
1714 * On those platforms, WiFi communication can be restored by set
1715 * "bt_coex_active" module parameter to "false"
1717 * default: bt_coex_active = true (BT_COEX_ENABLE)
1719 module_param_named(bt_coex_active
, iwlwifi_mod_params
.bt_coex_active
,
1721 MODULE_PARM_DESC(bt_coex_active
, "enable wifi/bt co-exist (default: enable)");
1723 module_param_named(led_mode
, iwlwifi_mod_params
.led_mode
, int, S_IRUGO
);
1724 MODULE_PARM_DESC(led_mode
, "0=system default, "
1725 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1727 module_param_named(power_save
, iwlwifi_mod_params
.power_save
,
1729 MODULE_PARM_DESC(power_save
,
1730 "enable WiFi power management (default: disable)");
1732 module_param_named(power_level
, iwlwifi_mod_params
.power_level
,
1734 MODULE_PARM_DESC(power_level
,
1735 "default power save level (range from 1 - 5, default: 1)");
1737 module_param_named(fw_monitor
, iwlwifi_mod_params
.fw_monitor
, bool, S_IRUGO
);
1738 MODULE_PARM_DESC(fw_monitor
,
1739 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1741 module_param_named(d0i3_timeout
, iwlwifi_mod_params
.d0i3_entry_delay
,
1743 MODULE_PARM_DESC(d0i3_timeout
, "Timeout to D0i3 entry when idle (ms)");
1745 module_param_named(disable_11ac
, iwlwifi_mod_params
.disable_11ac
, bool,
1747 MODULE_PARM_DESC(disable_11ac
, "Disable VHT capabilities");