1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <linux/completion.h>
68 #include <linux/dma-mapping.h>
69 #include <linux/firmware.h>
70 #include <linux/module.h>
71 #include <linux/vmalloc.h>
75 #include "iwl-debug.h"
76 #include "iwl-trans.h"
77 #include "iwl-op-mode.h"
78 #include "iwl-agn-hw.h"
80 #include "iwl-config.h"
81 #include "iwl-modparams.h"
83 /******************************************************************************
87 ******************************************************************************/
89 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
90 MODULE_DESCRIPTION(DRV_DESCRIPTION);
91 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
92 MODULE_LICENSE("GPL");
94 #ifdef CONFIG_IWLWIFI_DEBUGFS
95 static struct dentry *iwl_dbgfs_root;
99 * struct iwl_drv - drv common data
100 * @list: list of drv structures using this opmode
101 * @fw: the iwl_fw structure
102 * @op_mode: the running op_mode
103 * @trans: transport layer
104 * @dev: for debug prints only
105 * @fw_index: firmware revision to try loading
106 * @firmware_name: composite filename of ucode file to load
107 * @request_firmware_complete: the firmware has been obtained from user space
110 struct list_head list;
113 struct iwl_op_mode *op_mode;
114 struct iwl_trans *trans;
117 int fw_index; /* firmware we're trying to load */
118 char firmware_name[64]; /* name of firmware file to load */
120 struct completion request_firmware_complete;
122 #ifdef CONFIG_IWLWIFI_DEBUGFS
123 struct dentry *dbgfs_drv;
124 struct dentry *dbgfs_trans;
125 struct dentry *dbgfs_op_mode;
134 /* Protects the table contents, i.e. the ops pointer & drv list */
135 static struct mutex iwlwifi_opmode_table_mtx;
136 static struct iwlwifi_opmode_table {
137 const char *name; /* name: iwldvm, iwlmvm, etc */
138 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
139 struct list_head drv; /* list of devices using this op_mode */
140 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
141 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
142 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
145 #define IWL_DEFAULT_SCAN_CHANNELS 40
148 * struct fw_sec: Just for the image parsing process.
149 * For the fw storage we are using struct fw_desc.
152 const void *data; /* the sec data */
153 size_t size; /* section size */
154 u32 offset; /* offset of writing in the device */
157 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
164 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
167 for (i = 0; i < img->num_sec; i++)
168 iwl_free_fw_desc(drv, &img->sec[i]);
172 static void iwl_dealloc_ucode(struct iwl_drv *drv)
176 kfree(drv->fw.dbg_dest_tlv);
177 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
178 kfree(drv->fw.dbg_conf_tlv[i]);
179 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
180 kfree(drv->fw.dbg_trigger_tlv[i]);
181 kfree(drv->fw.dbg_mem_tlv);
183 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
184 iwl_free_fw_img(drv, drv->fw.img + i);
186 /* clear the data for the aborted load case */
187 memset(&drv->fw, 0, sizeof(drv->fw));
190 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
197 if (!sec || !sec->size)
200 data = vmalloc(sec->size);
204 desc->len = sec->size;
205 desc->offset = sec->offset;
206 memcpy(data, sec->data, desc->len);
212 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
215 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
217 const struct iwl_cfg *cfg = drv->trans->cfg;
219 const char *fw_pre_name;
221 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
222 (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP ||
223 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP))
224 fw_pre_name = cfg->fw_name_pre_b_or_c_step;
225 else if (drv->trans->cfg->integrated &&
226 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP &&
227 cfg->fw_name_pre_rf_next_step)
228 fw_pre_name = cfg->fw_name_pre_rf_next_step;
230 fw_pre_name = cfg->fw_name_pre;
233 drv->fw_index = cfg->ucode_api_max;
234 sprintf(tag, "%d", drv->fw_index);
237 sprintf(tag, "%d", drv->fw_index);
240 if (drv->fw_index < cfg->ucode_api_min) {
241 IWL_ERR(drv, "no suitable firmware found!\n");
243 if (cfg->ucode_api_min == cfg->ucode_api_max) {
244 IWL_ERR(drv, "%s%d is required\n", fw_pre_name,
247 IWL_ERR(drv, "minimum version required: %s%d\n",
250 IWL_ERR(drv, "maximum version supported: %s%d\n",
256 "check /*(DEBLOBBED)*/\n");
260 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "/*(DEBLOBBED)*/",
263 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n",
266 return reject_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
268 GFP_KERNEL, drv, iwl_req_fw_callback);
271 struct fw_img_parsing {
277 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
279 struct fw_sec_parsing {
285 * struct iwl_tlv_calib_data - parse the default calib data from TLV
287 * @ucode_type: the uCode to which the following default calib relates.
288 * @calib: default calibrations.
290 struct iwl_tlv_calib_data {
292 struct iwl_tlv_calib_ctrl calib;
295 struct iwl_firmware_pieces {
296 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
298 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
299 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
301 /* FW debug data parsed for driver usage */
302 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
303 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
304 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
305 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
306 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
307 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
308 size_t n_dbg_mem_tlv;
312 * These functions are just to extract uCode section data from the pieces
315 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
316 enum iwl_ucode_type type,
319 return &pieces->img[type].sec[sec];
322 static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
323 enum iwl_ucode_type type,
326 struct fw_img_parsing *img = &pieces->img[type];
327 struct fw_sec *sec_memory;
329 size_t alloc_size = sizeof(*img->sec) * size;
331 if (img->sec && img->sec_counter >= size)
334 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
338 img->sec = sec_memory;
339 img->sec_counter = size;
342 static void set_sec_data(struct iwl_firmware_pieces *pieces,
343 enum iwl_ucode_type type,
347 alloc_sec_data(pieces, type, sec);
349 pieces->img[type].sec[sec].data = data;
352 static void set_sec_size(struct iwl_firmware_pieces *pieces,
353 enum iwl_ucode_type type,
357 alloc_sec_data(pieces, type, sec);
359 pieces->img[type].sec[sec].size = size;
362 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
363 enum iwl_ucode_type type,
366 return pieces->img[type].sec[sec].size;
369 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
370 enum iwl_ucode_type type,
374 alloc_sec_data(pieces, type, sec);
376 pieces->img[type].sec[sec].offset = offset;
379 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
382 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
383 struct iwl_fw_cipher_scheme *fwcs;
385 if (len < sizeof(*l) ||
386 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
389 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
392 /* we skip schemes with zero cipher suite selector */
402 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
405 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
406 struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
408 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
409 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
410 capa->max_ap_cache_per_scan =
411 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
412 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
413 capa->max_scan_reporting_threshold =
414 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
415 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
416 capa->max_significant_change_aps =
417 le32_to_cpu(fw_capa->max_significant_change_aps);
418 capa->max_bssid_history_entries =
419 le32_to_cpu(fw_capa->max_bssid_history_entries);
420 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids);
421 capa->max_number_epno_networks =
422 le32_to_cpu(fw_capa->max_number_epno_networks);
423 capa->max_number_epno_networks_by_ssid =
424 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid);
425 capa->max_number_of_white_listed_ssid =
426 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid);
427 capa->max_number_of_black_listed_ssid =
428 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid);
432 * Gets uCode section from tlv.
434 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
435 const void *data, enum iwl_ucode_type type,
438 struct fw_img_parsing *img;
440 struct fw_sec_parsing *sec_parse;
443 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
446 sec_parse = (struct fw_sec_parsing *)data;
448 img = &pieces->img[type];
450 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
451 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
456 sec = &img->sec[img->sec_counter];
458 sec->offset = le32_to_cpu(sec_parse->offset);
459 sec->data = sec_parse->data;
460 sec->size = size - sizeof(sec_parse->offset);
467 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
469 struct iwl_tlv_calib_data *def_calib =
470 (struct iwl_tlv_calib_data *)data;
471 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
472 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
473 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
477 drv->fw.default_calib[ucode_type].flow_trigger =
478 def_calib->calib.flow_trigger;
479 drv->fw.default_calib[ucode_type].event_trigger =
480 def_calib->calib.event_trigger;
485 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
486 struct iwl_ucode_capabilities *capa)
488 const struct iwl_ucode_api *ucode_api = (void *)data;
489 u32 api_index = le32_to_cpu(ucode_api->api_index);
490 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
493 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
495 "api flags index %d larger than supported by driver\n",
500 for (i = 0; i < 32; i++) {
501 if (api_flags & BIT(i))
502 __set_bit(i + 32 * api_index, capa->_api);
506 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
507 struct iwl_ucode_capabilities *capa)
509 const struct iwl_ucode_capa *ucode_capa = (void *)data;
510 u32 api_index = le32_to_cpu(ucode_capa->api_index);
511 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
514 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
516 "capa flags index %d larger than supported by driver\n",
521 for (i = 0; i < 32; i++) {
522 if (api_flags & BIT(i))
523 __set_bit(i + 32 * api_index, capa->_capa);
527 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
528 const struct firmware *ucode_raw,
529 struct iwl_firmware_pieces *pieces)
531 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
532 u32 api_ver, hdr_size, build;
536 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
537 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
542 if (ucode_raw->size < hdr_size) {
543 IWL_ERR(drv, "File size too small!\n");
546 build = le32_to_cpu(ucode->u.v2.build);
547 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
548 le32_to_cpu(ucode->u.v2.inst_size));
549 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
550 le32_to_cpu(ucode->u.v2.data_size));
551 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
552 le32_to_cpu(ucode->u.v2.init_size));
553 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
554 le32_to_cpu(ucode->u.v2.init_data_size));
555 src = ucode->u.v2.data;
561 if (ucode_raw->size < hdr_size) {
562 IWL_ERR(drv, "File size too small!\n");
566 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
567 le32_to_cpu(ucode->u.v1.inst_size));
568 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
569 le32_to_cpu(ucode->u.v1.data_size));
570 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
571 le32_to_cpu(ucode->u.v1.init_size));
572 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
573 le32_to_cpu(ucode->u.v1.init_data_size));
574 src = ucode->u.v1.data;
579 sprintf(buildstr, " build %u", build);
583 snprintf(drv->fw.fw_version,
584 sizeof(drv->fw.fw_version),
586 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
587 IWL_UCODE_MINOR(drv->fw.ucode_ver),
588 IWL_UCODE_API(drv->fw.ucode_ver),
589 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
592 /* Verify size of file vs. image size info in file's header */
594 if (ucode_raw->size != hdr_size +
595 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
596 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
597 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
598 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
601 "uCode file size %d does not match expected size\n",
602 (int)ucode_raw->size);
607 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
608 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
609 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
610 IWLAGN_RTC_INST_LOWER_BOUND);
611 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
612 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
613 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
614 IWLAGN_RTC_DATA_LOWER_BOUND);
615 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
616 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
617 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
618 IWLAGN_RTC_INST_LOWER_BOUND);
619 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
620 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
621 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
622 IWLAGN_RTC_DATA_LOWER_BOUND);
626 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
627 const struct firmware *ucode_raw,
628 struct iwl_firmware_pieces *pieces,
629 struct iwl_ucode_capabilities *capa,
630 bool *usniffer_images)
632 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
633 struct iwl_ucode_tlv *tlv;
634 size_t len = ucode_raw->size;
638 enum iwl_ucode_tlv_type tlv_type;
641 u32 build, paging_mem_size;
643 bool usniffer_req = false;
644 bool gscan_capa = false;
646 if (len < sizeof(*ucode)) {
647 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
651 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
652 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
653 le32_to_cpu(ucode->magic));
657 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
658 memcpy(drv->fw.human_readable, ucode->human_readable,
659 sizeof(drv->fw.human_readable));
660 build = le32_to_cpu(ucode->build);
663 sprintf(buildstr, " build %u", build);
667 snprintf(drv->fw.fw_version,
668 sizeof(drv->fw.fw_version),
670 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
671 IWL_UCODE_MINOR(drv->fw.ucode_ver),
672 IWL_UCODE_API(drv->fw.ucode_ver),
673 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
678 len -= sizeof(*ucode);
680 while (len >= sizeof(*tlv)) {
684 tlv_len = le32_to_cpu(tlv->length);
685 tlv_type = le32_to_cpu(tlv->type);
686 tlv_data = tlv->data;
689 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
693 len -= ALIGN(tlv_len, 4);
694 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
697 case IWL_UCODE_TLV_INST:
698 set_sec_data(pieces, IWL_UCODE_REGULAR,
699 IWL_UCODE_SECTION_INST, tlv_data);
700 set_sec_size(pieces, IWL_UCODE_REGULAR,
701 IWL_UCODE_SECTION_INST, tlv_len);
702 set_sec_offset(pieces, IWL_UCODE_REGULAR,
703 IWL_UCODE_SECTION_INST,
704 IWLAGN_RTC_INST_LOWER_BOUND);
706 case IWL_UCODE_TLV_DATA:
707 set_sec_data(pieces, IWL_UCODE_REGULAR,
708 IWL_UCODE_SECTION_DATA, tlv_data);
709 set_sec_size(pieces, IWL_UCODE_REGULAR,
710 IWL_UCODE_SECTION_DATA, tlv_len);
711 set_sec_offset(pieces, IWL_UCODE_REGULAR,
712 IWL_UCODE_SECTION_DATA,
713 IWLAGN_RTC_DATA_LOWER_BOUND);
715 case IWL_UCODE_TLV_INIT:
716 set_sec_data(pieces, IWL_UCODE_INIT,
717 IWL_UCODE_SECTION_INST, tlv_data);
718 set_sec_size(pieces, IWL_UCODE_INIT,
719 IWL_UCODE_SECTION_INST, tlv_len);
720 set_sec_offset(pieces, IWL_UCODE_INIT,
721 IWL_UCODE_SECTION_INST,
722 IWLAGN_RTC_INST_LOWER_BOUND);
724 case IWL_UCODE_TLV_INIT_DATA:
725 set_sec_data(pieces, IWL_UCODE_INIT,
726 IWL_UCODE_SECTION_DATA, tlv_data);
727 set_sec_size(pieces, IWL_UCODE_INIT,
728 IWL_UCODE_SECTION_DATA, tlv_len);
729 set_sec_offset(pieces, IWL_UCODE_INIT,
730 IWL_UCODE_SECTION_DATA,
731 IWLAGN_RTC_DATA_LOWER_BOUND);
733 case IWL_UCODE_TLV_BOOT:
734 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
736 case IWL_UCODE_TLV_PROBE_MAX_LEN:
737 if (tlv_len != sizeof(u32))
738 goto invalid_tlv_len;
739 capa->max_probe_length =
740 le32_to_cpup((__le32 *)tlv_data);
742 case IWL_UCODE_TLV_PAN:
744 goto invalid_tlv_len;
745 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
747 case IWL_UCODE_TLV_FLAGS:
748 /* must be at least one u32 */
749 if (tlv_len < sizeof(u32))
750 goto invalid_tlv_len;
751 /* and a proper number of u32s */
752 if (tlv_len % sizeof(u32))
753 goto invalid_tlv_len;
755 * This driver only reads the first u32 as
756 * right now no more features are defined,
757 * if that changes then either the driver
758 * will not work with the new firmware, or
759 * it'll not take advantage of new features.
761 capa->flags = le32_to_cpup((__le32 *)tlv_data);
763 case IWL_UCODE_TLV_API_CHANGES_SET:
764 if (tlv_len != sizeof(struct iwl_ucode_api))
765 goto invalid_tlv_len;
766 iwl_set_ucode_api_flags(drv, tlv_data, capa);
768 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
769 if (tlv_len != sizeof(struct iwl_ucode_capa))
770 goto invalid_tlv_len;
771 iwl_set_ucode_capabilities(drv, tlv_data, capa);
773 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
774 if (tlv_len != sizeof(u32))
775 goto invalid_tlv_len;
776 pieces->init_evtlog_ptr =
777 le32_to_cpup((__le32 *)tlv_data);
779 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
780 if (tlv_len != sizeof(u32))
781 goto invalid_tlv_len;
782 pieces->init_evtlog_size =
783 le32_to_cpup((__le32 *)tlv_data);
785 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
786 if (tlv_len != sizeof(u32))
787 goto invalid_tlv_len;
788 pieces->init_errlog_ptr =
789 le32_to_cpup((__le32 *)tlv_data);
791 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
792 if (tlv_len != sizeof(u32))
793 goto invalid_tlv_len;
794 pieces->inst_evtlog_ptr =
795 le32_to_cpup((__le32 *)tlv_data);
797 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
798 if (tlv_len != sizeof(u32))
799 goto invalid_tlv_len;
800 pieces->inst_evtlog_size =
801 le32_to_cpup((__le32 *)tlv_data);
803 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
804 if (tlv_len != sizeof(u32))
805 goto invalid_tlv_len;
806 pieces->inst_errlog_ptr =
807 le32_to_cpup((__le32 *)tlv_data);
809 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
811 goto invalid_tlv_len;
812 drv->fw.enhance_sensitivity_table = true;
814 case IWL_UCODE_TLV_WOWLAN_INST:
815 set_sec_data(pieces, IWL_UCODE_WOWLAN,
816 IWL_UCODE_SECTION_INST, tlv_data);
817 set_sec_size(pieces, IWL_UCODE_WOWLAN,
818 IWL_UCODE_SECTION_INST, tlv_len);
819 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
820 IWL_UCODE_SECTION_INST,
821 IWLAGN_RTC_INST_LOWER_BOUND);
823 case IWL_UCODE_TLV_WOWLAN_DATA:
824 set_sec_data(pieces, IWL_UCODE_WOWLAN,
825 IWL_UCODE_SECTION_DATA, tlv_data);
826 set_sec_size(pieces, IWL_UCODE_WOWLAN,
827 IWL_UCODE_SECTION_DATA, tlv_len);
828 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
829 IWL_UCODE_SECTION_DATA,
830 IWLAGN_RTC_DATA_LOWER_BOUND);
832 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
833 if (tlv_len != sizeof(u32))
834 goto invalid_tlv_len;
835 capa->standard_phy_calibration_size =
836 le32_to_cpup((__le32 *)tlv_data);
838 case IWL_UCODE_TLV_SEC_RT:
839 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
841 drv->fw.type = IWL_FW_MVM;
843 case IWL_UCODE_TLV_SEC_INIT:
844 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
846 drv->fw.type = IWL_FW_MVM;
848 case IWL_UCODE_TLV_SEC_WOWLAN:
849 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
851 drv->fw.type = IWL_FW_MVM;
853 case IWL_UCODE_TLV_DEF_CALIB:
854 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
855 goto invalid_tlv_len;
856 if (iwl_set_default_calib(drv, tlv_data))
859 case IWL_UCODE_TLV_PHY_SKU:
860 if (tlv_len != sizeof(u32))
861 goto invalid_tlv_len;
862 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
863 drv->fw.valid_tx_ant = (drv->fw.phy_config &
864 FW_PHY_CFG_TX_CHAIN) >>
865 FW_PHY_CFG_TX_CHAIN_POS;
866 drv->fw.valid_rx_ant = (drv->fw.phy_config &
867 FW_PHY_CFG_RX_CHAIN) >>
868 FW_PHY_CFG_RX_CHAIN_POS;
870 case IWL_UCODE_TLV_SECURE_SEC_RT:
871 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
873 drv->fw.type = IWL_FW_MVM;
875 case IWL_UCODE_TLV_SECURE_SEC_INIT:
876 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
878 drv->fw.type = IWL_FW_MVM;
880 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
881 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
883 drv->fw.type = IWL_FW_MVM;
885 case IWL_UCODE_TLV_NUM_OF_CPU:
886 if (tlv_len != sizeof(u32))
887 goto invalid_tlv_len;
889 le32_to_cpup((__le32 *)tlv_data);
891 if (num_of_cpus == 2) {
892 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
894 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
896 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
898 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
899 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
903 case IWL_UCODE_TLV_CSCHEME:
904 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
905 goto invalid_tlv_len;
907 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
908 if (tlv_len != sizeof(u32))
909 goto invalid_tlv_len;
910 capa->n_scan_channels =
911 le32_to_cpup((__le32 *)tlv_data);
913 case IWL_UCODE_TLV_FW_VERSION: {
914 __le32 *ptr = (void *)tlv_data;
918 if (tlv_len != sizeof(u32) * 3)
919 goto invalid_tlv_len;
921 major = le32_to_cpup(ptr++);
922 minor = le32_to_cpup(ptr++);
923 local_comp = le32_to_cpup(ptr);
925 snprintf(drv->fw.fw_version,
926 sizeof(drv->fw.fw_version), "%u.%u.%u",
927 major, minor, local_comp);
930 case IWL_UCODE_TLV_FW_DBG_DEST: {
931 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
933 if (pieces->dbg_dest_tlv) {
935 "dbg destination ignored, already exists\n");
939 pieces->dbg_dest_tlv = dest;
940 IWL_INFO(drv, "Found debug destination: %s\n",
941 get_fw_dbg_mode_string(dest->monitor_mode));
943 drv->fw.dbg_dest_reg_num =
944 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
946 drv->fw.dbg_dest_reg_num /=
947 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
951 case IWL_UCODE_TLV_FW_DBG_CONF: {
952 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
954 if (!pieces->dbg_dest_tlv) {
956 "Ignore dbg config %d - no destination configured\n",
961 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
963 "Skip unknown configuration: %d\n",
968 if (pieces->dbg_conf_tlv[conf->id]) {
970 "Ignore duplicate dbg config %d\n",
978 IWL_INFO(drv, "Found debug configuration: %d\n",
981 pieces->dbg_conf_tlv[conf->id] = conf;
982 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
985 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
986 struct iwl_fw_dbg_trigger_tlv *trigger =
988 u32 trigger_id = le32_to_cpu(trigger->id);
990 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
992 "Skip unknown trigger: %u\n",
997 if (pieces->dbg_trigger_tlv[trigger_id]) {
999 "Ignore duplicate dbg trigger %u\n",
1004 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
1006 pieces->dbg_trigger_tlv[trigger_id] = trigger;
1007 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
1010 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
1011 *usniffer_images = true;
1012 iwl_store_ucode_sec(pieces, tlv_data,
1013 IWL_UCODE_REGULAR_USNIFFER,
1016 case IWL_UCODE_TLV_PAGING:
1017 if (tlv_len != sizeof(u32))
1018 goto invalid_tlv_len;
1019 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
1022 "Paging: paging enabled (size = %u bytes)\n",
1025 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1027 "Paging: driver supports up to %lu bytes for paging image\n",
1028 MAX_PAGING_IMAGE_SIZE);
1032 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1034 "Paging: image isn't multiple %lu\n",
1039 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1041 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1042 drv->fw.img[usniffer_img].paging_mem_size =
1045 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
1046 if (tlv_len != sizeof(u32))
1047 goto invalid_tlv_len;
1048 drv->fw.sdio_adma_addr =
1049 le32_to_cpup((__le32 *)tlv_data);
1051 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1053 * Don't return an error in case of a shorter tlv_len
1054 * to enable loading of FW that has an old format
1055 * of GSCAN capabilities TLV.
1057 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities))
1060 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len);
1063 case IWL_UCODE_TLV_FW_MEM_SEG: {
1064 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1068 struct iwl_fw_dbg_mem_seg_tlv *n;
1070 if (tlv_len != (sizeof(*dbg_mem)))
1071 goto invalid_tlv_len;
1073 type = le32_to_cpu(dbg_mem->data_type);
1075 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1076 dbg_mem->data_type);
1078 switch (type & FW_DBG_MEM_TYPE_MASK) {
1079 case FW_DBG_MEM_TYPE_REGULAR:
1080 case FW_DBG_MEM_TYPE_PRPH:
1081 /* we know how to handle these */
1085 "Found debug memory segment with invalid type: 0x%x\n",
1090 size = sizeof(*pieces->dbg_mem_tlv) *
1091 (pieces->n_dbg_mem_tlv + 1);
1092 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1095 pieces->dbg_mem_tlv = n;
1096 pieces->dbg_mem_tlv[pieces->n_dbg_mem_tlv] = *dbg_mem;
1097 pieces->n_dbg_mem_tlv++;
1101 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1106 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1107 usniffer_req && !*usniffer_images) {
1109 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1114 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1115 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1120 * If ucode advertises that it supports GSCAN but GSCAN
1121 * capabilities TLV is not present, or if it has an old format,
1122 * warn and continue without GSCAN.
1124 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1127 "GSCAN is supported but capabilities TLV is unavailable\n");
1128 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1135 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1137 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1142 static int iwl_alloc_ucode(struct iwl_drv *drv,
1143 struct iwl_firmware_pieces *pieces,
1144 enum iwl_ucode_type type)
1147 struct fw_desc *sec;
1149 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL);
1152 drv->fw.img[type].sec = sec;
1153 drv->fw.img[type].num_sec = pieces->img[type].sec_counter;
1155 for (i = 0; i < pieces->img[type].sec_counter; i++)
1156 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i)))
1162 static int validate_sec_sizes(struct iwl_drv *drv,
1163 struct iwl_firmware_pieces *pieces,
1164 const struct iwl_cfg *cfg)
1166 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1167 get_sec_size(pieces, IWL_UCODE_REGULAR,
1168 IWL_UCODE_SECTION_INST));
1169 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1170 get_sec_size(pieces, IWL_UCODE_REGULAR,
1171 IWL_UCODE_SECTION_DATA));
1172 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1173 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1174 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1175 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1177 /* Verify that uCode images will fit in card's SRAM. */
1178 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1179 cfg->max_inst_size) {
1180 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1181 get_sec_size(pieces, IWL_UCODE_REGULAR,
1182 IWL_UCODE_SECTION_INST));
1186 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1187 cfg->max_data_size) {
1188 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1189 get_sec_size(pieces, IWL_UCODE_REGULAR,
1190 IWL_UCODE_SECTION_DATA));
1194 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1195 cfg->max_inst_size) {
1196 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1197 get_sec_size(pieces, IWL_UCODE_INIT,
1198 IWL_UCODE_SECTION_INST));
1202 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1203 cfg->max_data_size) {
1204 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1205 get_sec_size(pieces, IWL_UCODE_REGULAR,
1206 IWL_UCODE_SECTION_DATA));
1212 static struct iwl_op_mode *
1213 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1215 const struct iwl_op_mode_ops *ops = op->ops;
1216 struct dentry *dbgfs_dir = NULL;
1217 struct iwl_op_mode *op_mode = NULL;
1219 #ifdef CONFIG_IWLWIFI_DEBUGFS
1220 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1222 if (!drv->dbgfs_op_mode) {
1224 "failed to create opmode debugfs directory\n");
1227 dbgfs_dir = drv->dbgfs_op_mode;
1230 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir);
1232 #ifdef CONFIG_IWLWIFI_DEBUGFS
1234 debugfs_remove_recursive(drv->dbgfs_op_mode);
1235 drv->dbgfs_op_mode = NULL;
1242 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1244 /* op_mode can be NULL if its start failed */
1246 iwl_op_mode_stop(drv->op_mode);
1247 drv->op_mode = NULL;
1249 #ifdef CONFIG_IWLWIFI_DEBUGFS
1250 debugfs_remove_recursive(drv->dbgfs_op_mode);
1251 drv->dbgfs_op_mode = NULL;
1257 * iwl_req_fw_callback - callback when firmware was loaded
1259 * If loaded successfully, copies the firmware into buffers
1260 * for the card to fetch (via DMA).
1262 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1264 struct iwl_drv *drv = context;
1265 struct iwl_fw *fw = &drv->fw;
1266 struct iwl_ucode_header *ucode;
1267 struct iwlwifi_opmode_table *op;
1269 struct iwl_firmware_pieces *pieces;
1270 const unsigned int api_max = drv->trans->cfg->ucode_api_max;
1271 const unsigned int api_min = drv->trans->cfg->ucode_api_min;
1272 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1275 bool load_module = false;
1276 bool usniffer_images = false;
1277 bool failure = true;
1279 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1280 fw->ucode_capa.standard_phy_calibration_size =
1281 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1282 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1284 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1291 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1292 drv->firmware_name, ucode_raw->size);
1294 /* Make sure that we got at least the API version number */
1295 if (ucode_raw->size < 4) {
1296 IWL_ERR(drv, "File size way too small!\n");
1300 /* Data from ucode file: header followed by uCode images */
1301 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1304 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1306 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1307 &fw->ucode_capa, &usniffer_images);
1312 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1313 api_ver = drv->fw.ucode_ver;
1315 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1318 * api_ver should match the api version forming part of the
1319 * firmware filename ... but we don't check for that and only rely
1320 * on the API version read from firmware header from here on forward
1322 if (api_ver < api_min || api_ver > api_max) {
1324 "Driver unable to support your firmware API. "
1325 "Driver supports v%u, firmware is v%u.\n",
1331 * In mvm uCode there is no difference between data and instructions
1334 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1338 /* Allocate ucode buffers for card's bus-master loading ... */
1340 /* Runtime instructions and 2 copies of data:
1341 * 1) unmodified from disk
1342 * 2) backup cache for save/restore during power-downs */
1343 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1344 if (iwl_alloc_ucode(drv, pieces, i))
1347 if (pieces->dbg_dest_tlv) {
1348 drv->fw.dbg_dest_tlv =
1349 kmemdup(pieces->dbg_dest_tlv,
1350 sizeof(*pieces->dbg_dest_tlv) +
1351 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1352 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1354 if (!drv->fw.dbg_dest_tlv)
1358 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1359 if (pieces->dbg_conf_tlv[i]) {
1360 drv->fw.dbg_conf_tlv_len[i] =
1361 pieces->dbg_conf_tlv_len[i];
1362 drv->fw.dbg_conf_tlv[i] =
1363 kmemdup(pieces->dbg_conf_tlv[i],
1364 drv->fw.dbg_conf_tlv_len[i],
1366 if (!drv->fw.dbg_conf_tlv[i])
1371 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1373 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1374 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1375 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1376 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1377 sizeof(struct iwl_fw_dbg_trigger_cmd);
1378 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1379 sizeof(struct iwl_fw_dbg_trigger_mlme);
1380 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1381 sizeof(struct iwl_fw_dbg_trigger_stats);
1382 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1383 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1384 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1385 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1386 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1387 sizeof(struct iwl_fw_dbg_trigger_time_event);
1388 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1389 sizeof(struct iwl_fw_dbg_trigger_ba);
1390 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1391 sizeof(struct iwl_fw_dbg_trigger_tdls);
1393 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1394 if (pieces->dbg_trigger_tlv[i]) {
1396 * If the trigger isn't long enough, WARN and exit.
1397 * Someone is trying to debug something and he won't
1398 * be able to catch the bug he is trying to chase.
1399 * We'd better be noisy to be sure he knows what's
1402 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1403 (trigger_tlv_sz[i] +
1404 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1406 drv->fw.dbg_trigger_tlv_len[i] =
1407 pieces->dbg_trigger_tlv_len[i];
1408 drv->fw.dbg_trigger_tlv[i] =
1409 kmemdup(pieces->dbg_trigger_tlv[i],
1410 drv->fw.dbg_trigger_tlv_len[i],
1412 if (!drv->fw.dbg_trigger_tlv[i])
1417 /* Now that we can no longer fail, copy information */
1419 drv->fw.dbg_mem_tlv = pieces->dbg_mem_tlv;
1420 pieces->dbg_mem_tlv = NULL;
1421 drv->fw.n_dbg_mem_tlv = pieces->n_dbg_mem_tlv;
1424 * The (size - 16) / 12 formula is based on the information recorded
1425 * for each event, which is of mode 1 (including timestamp) for all
1426 * new microcodes that include this information.
1428 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1429 if (pieces->init_evtlog_size)
1430 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1432 fw->init_evtlog_size =
1433 drv->trans->cfg->base_params->max_event_log_size;
1434 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1435 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1436 if (pieces->inst_evtlog_size)
1437 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1439 fw->inst_evtlog_size =
1440 drv->trans->cfg->base_params->max_event_log_size;
1441 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1444 * figure out the offset of chain noise reset and gain commands
1445 * base on the size of standard phy calibration commands table size
1447 if (fw->ucode_capa.standard_phy_calibration_size >
1448 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1449 fw->ucode_capa.standard_phy_calibration_size =
1450 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1452 /* We have our copies now, allow OS release its copies */
1453 release_firmware(ucode_raw);
1455 mutex_lock(&iwlwifi_opmode_table_mtx);
1458 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1461 WARN(1, "Invalid fw type %d\n", fw->type);
1463 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1467 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1468 drv->fw.fw_version, op->name);
1470 /* add this device to the list of devices using this op_mode */
1471 list_add_tail(&drv->list, &op->drv);
1474 drv->op_mode = _iwl_op_mode_start(drv, op);
1476 if (!drv->op_mode) {
1477 mutex_unlock(&iwlwifi_opmode_table_mtx);
1483 mutex_unlock(&iwlwifi_opmode_table_mtx);
1486 * Complete the firmware request last so that
1487 * a driver unbind (stop) doesn't run while we
1488 * are doing the start() above.
1490 complete(&drv->request_firmware_complete);
1493 * Load the module last so we don't block anything
1494 * else from proceeding if the module fails to load
1498 request_module("%s", op->name);
1503 /* try next, if any */
1504 release_firmware(ucode_raw);
1505 if (iwl_request_firmware(drv, false))
1510 release_firmware(ucode_raw);
1512 complete(&drv->request_firmware_complete);
1513 device_release_driver(drv->trans->dev);
1514 /* drv has just been freed by the release */
1518 iwl_dealloc_ucode(drv);
1521 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1522 kfree(pieces->img[i].sec);
1523 kfree(pieces->dbg_mem_tlv);
1528 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1530 struct iwl_drv *drv;
1533 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1540 drv->dev = trans->dev;
1542 init_completion(&drv->request_firmware_complete);
1543 INIT_LIST_HEAD(&drv->list);
1545 #ifdef CONFIG_IWLWIFI_DEBUGFS
1546 /* Create the device debugfs entries. */
1547 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1550 if (!drv->dbgfs_drv) {
1551 IWL_ERR(drv, "failed to create debugfs directory\n");
1556 /* Create transport layer debugfs dir */
1557 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1559 if (!drv->trans->dbgfs_dir) {
1560 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1562 goto err_free_dbgfs;
1566 ret = iwl_request_firmware(drv, true);
1568 IWL_ERR(trans, "Couldn't request the fw\n");
1575 #ifdef CONFIG_IWLWIFI_DEBUGFS
1577 debugfs_remove_recursive(drv->dbgfs_drv);
1582 return ERR_PTR(ret);
1585 void iwl_drv_stop(struct iwl_drv *drv)
1587 wait_for_completion(&drv->request_firmware_complete);
1589 _iwl_op_mode_stop(drv);
1591 iwl_dealloc_ucode(drv);
1593 mutex_lock(&iwlwifi_opmode_table_mtx);
1595 * List is empty (this item wasn't added)
1596 * when firmware loading failed -- in that
1597 * case we can't remove it from any list.
1599 if (!list_empty(&drv->list))
1600 list_del(&drv->list);
1601 mutex_unlock(&iwlwifi_opmode_table_mtx);
1603 #ifdef CONFIG_IWLWIFI_DEBUGFS
1604 debugfs_remove_recursive(drv->dbgfs_drv);
1611 /* shared module parameters */
1612 struct iwl_mod_params iwlwifi_mod_params = {
1614 .bt_coex_active = true,
1615 .power_level = IWL_POWER_INDEX_1,
1616 .d0i3_disable = true,
1617 .d0i3_timeout = 1000,
1618 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1619 /* the rest are 0 by default */
1621 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1623 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1626 struct iwl_drv *drv;
1627 struct iwlwifi_opmode_table *op;
1629 mutex_lock(&iwlwifi_opmode_table_mtx);
1630 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1631 op = &iwlwifi_opmode_table[i];
1632 if (strcmp(op->name, name))
1635 /* TODO: need to handle exceptional case */
1636 list_for_each_entry(drv, &op->drv, list)
1637 drv->op_mode = _iwl_op_mode_start(drv, op);
1639 mutex_unlock(&iwlwifi_opmode_table_mtx);
1642 mutex_unlock(&iwlwifi_opmode_table_mtx);
1645 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1647 void iwl_opmode_deregister(const char *name)
1650 struct iwl_drv *drv;
1652 mutex_lock(&iwlwifi_opmode_table_mtx);
1653 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1654 if (strcmp(iwlwifi_opmode_table[i].name, name))
1656 iwlwifi_opmode_table[i].ops = NULL;
1658 /* call the stop routine for all devices */
1659 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1660 _iwl_op_mode_stop(drv);
1662 mutex_unlock(&iwlwifi_opmode_table_mtx);
1665 mutex_unlock(&iwlwifi_opmode_table_mtx);
1667 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1669 static int __init iwl_drv_init(void)
1673 mutex_init(&iwlwifi_opmode_table_mtx);
1675 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1676 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1678 pr_info(DRV_DESCRIPTION "\n");
1679 pr_info(DRV_COPYRIGHT "\n");
1681 #ifdef CONFIG_IWLWIFI_DEBUGFS
1682 /* Create the root of iwlwifi debugfs subsystem. */
1683 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1685 if (!iwl_dbgfs_root)
1689 return iwl_pci_register_driver();
1691 module_init(iwl_drv_init);
1693 static void __exit iwl_drv_exit(void)
1695 iwl_pci_unregister_driver();
1697 #ifdef CONFIG_IWLWIFI_DEBUGFS
1698 debugfs_remove_recursive(iwl_dbgfs_root);
1701 module_exit(iwl_drv_exit);
1703 #ifdef CONFIG_IWLWIFI_DEBUG
1704 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1706 MODULE_PARM_DESC(debug, "debug output mask");
1709 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, S_IRUGO);
1710 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1711 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1712 MODULE_PARM_DESC(11n_disable,
1713 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1714 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1716 MODULE_PARM_DESC(amsdu_size,
1717 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)");
1718 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, S_IRUGO);
1719 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1721 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling,
1723 MODULE_PARM_DESC(antenna_coupling,
1724 "specify antenna coupling in dB (default: 0 dB)");
1726 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1727 MODULE_PARM_DESC(nvm_file, "NVM file name");
1729 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1731 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1733 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1735 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1737 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1738 uint, S_IRUGO | S_IWUSR);
1739 MODULE_PARM_DESC(uapsd_disable,
1740 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
1743 * set bt_coex_active to true, uCode will do kill/defer
1744 * every time the priority line is asserted (BT is sending signals on the
1745 * priority line in the PCIx).
1746 * set bt_coex_active to false, uCode will ignore the BT activity and
1747 * perform the normal operation
1749 * User might experience transmit issue on some platform due to WiFi/BT
1750 * co-exist problem. The possible behaviors are:
1751 * Able to scan and finding all the available AP
1752 * Not able to associate with any AP
1753 * On those platforms, WiFi communication can be restored by set
1754 * "bt_coex_active" module parameter to "false"
1756 * default: bt_coex_active = true (BT_COEX_ENABLE)
1758 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1760 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1762 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1763 MODULE_PARM_DESC(led_mode, "0=system default, "
1764 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1766 module_param_named(power_save, iwlwifi_mod_params.power_save,
1768 MODULE_PARM_DESC(power_save,
1769 "enable WiFi power management (default: disable)");
1771 module_param_named(power_level, iwlwifi_mod_params.power_level,
1773 MODULE_PARM_DESC(power_level,
1774 "default power save level (range from 1 - 5, default: 1)");
1776 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1777 MODULE_PARM_DESC(fw_monitor,
1778 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1780 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout,
1782 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");
1784 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool,
1786 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");