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