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 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/completion.h>
66 #include <linux/dma-mapping.h>
67 #include <linux/firmware.h>
68 #include <linux/module.h>
69 #include <linux/vmalloc.h>
73 #include "iwl-debug.h"
74 #include "iwl-trans.h"
75 #include "iwl-op-mode.h"
76 #include "iwl-agn-hw.h"
78 #include "iwl-config.h"
79 #include "iwl-modparams.h"
81 /******************************************************************************
85 ******************************************************************************/
87 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
88 MODULE_DESCRIPTION(DRV_DESCRIPTION);
89 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
90 MODULE_LICENSE("GPL");
92 #ifdef CONFIG_IWLWIFI_DEBUGFS
93 static struct dentry *iwl_dbgfs_root;
97 * struct iwl_drv - drv common data
98 * @list: list of drv structures using this opmode
99 * @fw: the iwl_fw structure
100 * @op_mode: the running op_mode
101 * @trans: transport layer
102 * @dev: for debug prints only
103 * @cfg: configuration struct
104 * @fw_index: firmware revision to try loading
105 * @firmware_name: composite filename of ucode file to load
106 * @request_firmware_complete: the firmware has been obtained from user space
109 struct list_head list;
112 struct iwl_op_mode *op_mode;
113 struct iwl_trans *trans;
115 const struct iwl_cfg *cfg;
117 int fw_index; /* firmware we're trying to load */
118 char firmware_name[32]; /* name of firmware file to load */
120 struct completion request_firmware_complete;
122 #ifdef CONFIG_IWLWIFI_DEBUGFS
123 struct dentry *dbgfs_drv;
124 struct dentry *dbgfs_trans;
125 struct dentry *dbgfs_op_mode;
134 /* Protects the table contents, i.e. the ops pointer & drv list */
135 static struct mutex iwlwifi_opmode_table_mtx;
136 static struct iwlwifi_opmode_table {
137 const char *name; /* name: iwldvm, iwlmvm, etc */
138 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
139 struct list_head drv; /* list of devices using this op_mode */
140 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
141 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
142 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
145 #define IWL_DEFAULT_SCAN_CHANNELS 40
148 * struct fw_sec: Just for the image parsing proccess.
149 * For the fw storage we are using struct fw_desc.
152 const void *data; /* the sec data */
153 size_t size; /* section size */
154 u32 offset; /* offset of writing in the device */
157 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
164 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
167 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
168 iwl_free_fw_desc(drv, &img->sec[i]);
171 static void iwl_dealloc_ucode(struct iwl_drv *drv)
175 kfree(drv->fw.dbg_dest_tlv);
176 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
177 kfree(drv->fw.dbg_conf_tlv[i]);
179 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
180 iwl_free_fw_img(drv, drv->fw.img + i);
183 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
190 if (!sec || !sec->size)
193 data = vmalloc(sec->size);
197 desc->len = sec->size;
198 desc->offset = sec->offset;
199 memcpy(data, sec->data, desc->len);
205 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
208 #define UCODE_EXPERIMENTAL_INDEX 100
209 #define UCODE_EXPERIMENTAL_TAG "exp"
211 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
213 const char *name_pre = drv->cfg->fw_name_pre;
217 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
218 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
219 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
220 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
222 drv->fw_index = drv->cfg->ucode_api_max;
223 sprintf(tag, "%d", drv->fw_index);
226 sprintf(tag, "%d", drv->fw_index);
229 if (drv->fw_index < drv->cfg->ucode_api_min) {
230 IWL_ERR(drv, "no suitable firmware found!\n");
234 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
238 * Starting 8000B - FW name format has changed. This overwrites the
239 * previous name and uses the new format.
241 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
243 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev), 0
246 /* A-step doesn't have an indication */
247 if (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP)
250 snprintf(drv->firmware_name, sizeof(drv->firmware_name),
251 "%s%s-%s.ucode", name_pre, rev_step, tag);
254 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
255 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
256 ? "EXPERIMENTAL " : "",
259 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
261 GFP_KERNEL, drv, iwl_req_fw_callback);
264 struct fw_img_parsing {
265 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
270 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
272 struct fw_sec_parsing {
278 * struct iwl_tlv_calib_data - parse the default calib data from TLV
280 * @ucode_type: the uCode to which the following default calib relates.
281 * @calib: default calibrations.
283 struct iwl_tlv_calib_data {
285 struct iwl_tlv_calib_ctrl calib;
288 struct iwl_firmware_pieces {
289 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
291 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
292 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
294 /* FW debug data parsed for driver usage */
295 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
296 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_MAX];
297 size_t dbg_conf_tlv_len[FW_DBG_MAX];
301 * These functions are just to extract uCode section data from the pieces
304 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
305 enum iwl_ucode_type type,
308 return &pieces->img[type].sec[sec];
311 static void set_sec_data(struct iwl_firmware_pieces *pieces,
312 enum iwl_ucode_type type,
316 pieces->img[type].sec[sec].data = data;
319 static void set_sec_size(struct iwl_firmware_pieces *pieces,
320 enum iwl_ucode_type type,
324 pieces->img[type].sec[sec].size = size;
327 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
328 enum iwl_ucode_type type,
331 return pieces->img[type].sec[sec].size;
334 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
335 enum iwl_ucode_type type,
339 pieces->img[type].sec[sec].offset = offset;
342 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
345 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
346 struct iwl_fw_cipher_scheme *fwcs;
347 struct ieee80211_cipher_scheme *cs;
350 if (len < sizeof(*l) ||
351 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
354 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
356 cipher = le32_to_cpu(fwcs->cipher);
358 /* we skip schemes with zero cipher suite selector */
364 cs->iftype = BIT(NL80211_IFTYPE_STATION);
365 cs->hdr_len = fwcs->hdr_len;
366 cs->pn_len = fwcs->pn_len;
367 cs->pn_off = fwcs->pn_off;
368 cs->key_idx_off = fwcs->key_idx_off;
369 cs->key_idx_mask = fwcs->key_idx_mask;
370 cs->key_idx_shift = fwcs->key_idx_shift;
371 cs->mic_len = fwcs->mic_len;
378 * Gets uCode section from tlv.
380 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
381 const void *data, enum iwl_ucode_type type,
384 struct fw_img_parsing *img;
386 struct fw_sec_parsing *sec_parse;
388 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
391 sec_parse = (struct fw_sec_parsing *)data;
393 img = &pieces->img[type];
394 sec = &img->sec[img->sec_counter];
396 sec->offset = le32_to_cpu(sec_parse->offset);
397 sec->data = sec_parse->data;
398 sec->size = size - sizeof(sec_parse->offset);
405 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
407 struct iwl_tlv_calib_data *def_calib =
408 (struct iwl_tlv_calib_data *)data;
409 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
410 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
411 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
415 drv->fw.default_calib[ucode_type].flow_trigger =
416 def_calib->calib.flow_trigger;
417 drv->fw.default_calib[ucode_type].event_trigger =
418 def_calib->calib.event_trigger;
423 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
424 struct iwl_ucode_capabilities *capa)
426 const struct iwl_ucode_api *ucode_api = (void *)data;
427 u32 api_index = le32_to_cpu(ucode_api->api_index);
429 if (api_index >= IWL_API_ARRAY_SIZE) {
430 IWL_ERR(drv, "api_index larger than supported by driver\n");
434 capa->api[api_index] = le32_to_cpu(ucode_api->api_flags);
439 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
440 struct iwl_ucode_capabilities *capa)
442 const struct iwl_ucode_capa *ucode_capa = (void *)data;
443 u32 api_index = le32_to_cpu(ucode_capa->api_index);
445 if (api_index >= IWL_CAPABILITIES_ARRAY_SIZE) {
446 IWL_ERR(drv, "api_index larger than supported by driver\n");
450 capa->capa[api_index] = le32_to_cpu(ucode_capa->api_capa);
455 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
456 const struct firmware *ucode_raw,
457 struct iwl_firmware_pieces *pieces)
459 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
460 u32 api_ver, hdr_size, build;
464 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
465 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
470 if (ucode_raw->size < hdr_size) {
471 IWL_ERR(drv, "File size too small!\n");
474 build = le32_to_cpu(ucode->u.v2.build);
475 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
476 le32_to_cpu(ucode->u.v2.inst_size));
477 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
478 le32_to_cpu(ucode->u.v2.data_size));
479 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
480 le32_to_cpu(ucode->u.v2.init_size));
481 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
482 le32_to_cpu(ucode->u.v2.init_data_size));
483 src = ucode->u.v2.data;
489 if (ucode_raw->size < hdr_size) {
490 IWL_ERR(drv, "File size too small!\n");
494 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
495 le32_to_cpu(ucode->u.v1.inst_size));
496 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
497 le32_to_cpu(ucode->u.v1.data_size));
498 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
499 le32_to_cpu(ucode->u.v1.init_size));
500 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
501 le32_to_cpu(ucode->u.v1.init_data_size));
502 src = ucode->u.v1.data;
507 sprintf(buildstr, " build %u%s", build,
508 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
513 snprintf(drv->fw.fw_version,
514 sizeof(drv->fw.fw_version),
516 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
517 IWL_UCODE_MINOR(drv->fw.ucode_ver),
518 IWL_UCODE_API(drv->fw.ucode_ver),
519 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
522 /* Verify size of file vs. image size info in file's header */
524 if (ucode_raw->size != hdr_size +
525 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
526 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
527 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
528 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
531 "uCode file size %d does not match expected size\n",
532 (int)ucode_raw->size);
537 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
538 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
539 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
540 IWLAGN_RTC_INST_LOWER_BOUND);
541 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
542 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
543 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
544 IWLAGN_RTC_DATA_LOWER_BOUND);
545 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
546 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
547 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
548 IWLAGN_RTC_INST_LOWER_BOUND);
549 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
550 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
551 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
552 IWLAGN_RTC_DATA_LOWER_BOUND);
556 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
557 const struct firmware *ucode_raw,
558 struct iwl_firmware_pieces *pieces,
559 struct iwl_ucode_capabilities *capa)
561 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
562 struct iwl_ucode_tlv *tlv;
563 size_t len = ucode_raw->size;
566 enum iwl_ucode_tlv_type tlv_type;
571 bool usniffer_images = false;
572 bool usniffer_req = false;
574 if (len < sizeof(*ucode)) {
575 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
579 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
580 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
581 le32_to_cpu(ucode->magic));
585 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
586 memcpy(drv->fw.human_readable, ucode->human_readable,
587 sizeof(drv->fw.human_readable));
588 build = le32_to_cpu(ucode->build);
591 sprintf(buildstr, " build %u%s", build,
592 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
597 snprintf(drv->fw.fw_version,
598 sizeof(drv->fw.fw_version),
600 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
601 IWL_UCODE_MINOR(drv->fw.ucode_ver),
602 IWL_UCODE_API(drv->fw.ucode_ver),
603 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
608 len -= sizeof(*ucode);
610 while (len >= sizeof(*tlv)) {
614 tlv_len = le32_to_cpu(tlv->length);
615 tlv_type = le32_to_cpu(tlv->type);
616 tlv_data = tlv->data;
619 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
623 len -= ALIGN(tlv_len, 4);
624 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
627 case IWL_UCODE_TLV_INST:
628 set_sec_data(pieces, IWL_UCODE_REGULAR,
629 IWL_UCODE_SECTION_INST, tlv_data);
630 set_sec_size(pieces, IWL_UCODE_REGULAR,
631 IWL_UCODE_SECTION_INST, tlv_len);
632 set_sec_offset(pieces, IWL_UCODE_REGULAR,
633 IWL_UCODE_SECTION_INST,
634 IWLAGN_RTC_INST_LOWER_BOUND);
636 case IWL_UCODE_TLV_DATA:
637 set_sec_data(pieces, IWL_UCODE_REGULAR,
638 IWL_UCODE_SECTION_DATA, tlv_data);
639 set_sec_size(pieces, IWL_UCODE_REGULAR,
640 IWL_UCODE_SECTION_DATA, tlv_len);
641 set_sec_offset(pieces, IWL_UCODE_REGULAR,
642 IWL_UCODE_SECTION_DATA,
643 IWLAGN_RTC_DATA_LOWER_BOUND);
645 case IWL_UCODE_TLV_INIT:
646 set_sec_data(pieces, IWL_UCODE_INIT,
647 IWL_UCODE_SECTION_INST, tlv_data);
648 set_sec_size(pieces, IWL_UCODE_INIT,
649 IWL_UCODE_SECTION_INST, tlv_len);
650 set_sec_offset(pieces, IWL_UCODE_INIT,
651 IWL_UCODE_SECTION_INST,
652 IWLAGN_RTC_INST_LOWER_BOUND);
654 case IWL_UCODE_TLV_INIT_DATA:
655 set_sec_data(pieces, IWL_UCODE_INIT,
656 IWL_UCODE_SECTION_DATA, tlv_data);
657 set_sec_size(pieces, IWL_UCODE_INIT,
658 IWL_UCODE_SECTION_DATA, tlv_len);
659 set_sec_offset(pieces, IWL_UCODE_INIT,
660 IWL_UCODE_SECTION_DATA,
661 IWLAGN_RTC_DATA_LOWER_BOUND);
663 case IWL_UCODE_TLV_BOOT:
664 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
666 case IWL_UCODE_TLV_PROBE_MAX_LEN:
667 if (tlv_len != sizeof(u32))
668 goto invalid_tlv_len;
669 capa->max_probe_length =
670 le32_to_cpup((__le32 *)tlv_data);
672 case IWL_UCODE_TLV_PAN:
674 goto invalid_tlv_len;
675 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
677 case IWL_UCODE_TLV_FLAGS:
678 /* must be at least one u32 */
679 if (tlv_len < sizeof(u32))
680 goto invalid_tlv_len;
681 /* and a proper number of u32s */
682 if (tlv_len % sizeof(u32))
683 goto invalid_tlv_len;
685 * This driver only reads the first u32 as
686 * right now no more features are defined,
687 * if that changes then either the driver
688 * will not work with the new firmware, or
689 * it'll not take advantage of new features.
691 capa->flags = le32_to_cpup((__le32 *)tlv_data);
693 case IWL_UCODE_TLV_API_CHANGES_SET:
694 if (tlv_len != sizeof(struct iwl_ucode_api))
695 goto invalid_tlv_len;
696 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
699 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
700 if (tlv_len != sizeof(struct iwl_ucode_capa))
701 goto invalid_tlv_len;
702 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
705 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
706 if (tlv_len != sizeof(u32))
707 goto invalid_tlv_len;
708 pieces->init_evtlog_ptr =
709 le32_to_cpup((__le32 *)tlv_data);
711 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
712 if (tlv_len != sizeof(u32))
713 goto invalid_tlv_len;
714 pieces->init_evtlog_size =
715 le32_to_cpup((__le32 *)tlv_data);
717 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
718 if (tlv_len != sizeof(u32))
719 goto invalid_tlv_len;
720 pieces->init_errlog_ptr =
721 le32_to_cpup((__le32 *)tlv_data);
723 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
724 if (tlv_len != sizeof(u32))
725 goto invalid_tlv_len;
726 pieces->inst_evtlog_ptr =
727 le32_to_cpup((__le32 *)tlv_data);
729 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
730 if (tlv_len != sizeof(u32))
731 goto invalid_tlv_len;
732 pieces->inst_evtlog_size =
733 le32_to_cpup((__le32 *)tlv_data);
735 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
736 if (tlv_len != sizeof(u32))
737 goto invalid_tlv_len;
738 pieces->inst_errlog_ptr =
739 le32_to_cpup((__le32 *)tlv_data);
741 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
743 goto invalid_tlv_len;
744 drv->fw.enhance_sensitivity_table = true;
746 case IWL_UCODE_TLV_WOWLAN_INST:
747 set_sec_data(pieces, IWL_UCODE_WOWLAN,
748 IWL_UCODE_SECTION_INST, tlv_data);
749 set_sec_size(pieces, IWL_UCODE_WOWLAN,
750 IWL_UCODE_SECTION_INST, tlv_len);
751 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
752 IWL_UCODE_SECTION_INST,
753 IWLAGN_RTC_INST_LOWER_BOUND);
755 case IWL_UCODE_TLV_WOWLAN_DATA:
756 set_sec_data(pieces, IWL_UCODE_WOWLAN,
757 IWL_UCODE_SECTION_DATA, tlv_data);
758 set_sec_size(pieces, IWL_UCODE_WOWLAN,
759 IWL_UCODE_SECTION_DATA, tlv_len);
760 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
761 IWL_UCODE_SECTION_DATA,
762 IWLAGN_RTC_DATA_LOWER_BOUND);
764 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
765 if (tlv_len != sizeof(u32))
766 goto invalid_tlv_len;
767 capa->standard_phy_calibration_size =
768 le32_to_cpup((__le32 *)tlv_data);
770 case IWL_UCODE_TLV_SEC_RT:
771 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
773 drv->fw.mvm_fw = true;
775 case IWL_UCODE_TLV_SEC_INIT:
776 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
778 drv->fw.mvm_fw = true;
780 case IWL_UCODE_TLV_SEC_WOWLAN:
781 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
783 drv->fw.mvm_fw = true;
785 case IWL_UCODE_TLV_DEF_CALIB:
786 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
787 goto invalid_tlv_len;
788 if (iwl_set_default_calib(drv, tlv_data))
791 case IWL_UCODE_TLV_PHY_SKU:
792 if (tlv_len != sizeof(u32))
793 goto invalid_tlv_len;
794 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
795 drv->fw.valid_tx_ant = (drv->fw.phy_config &
796 FW_PHY_CFG_TX_CHAIN) >>
797 FW_PHY_CFG_TX_CHAIN_POS;
798 drv->fw.valid_rx_ant = (drv->fw.phy_config &
799 FW_PHY_CFG_RX_CHAIN) >>
800 FW_PHY_CFG_RX_CHAIN_POS;
802 case IWL_UCODE_TLV_SECURE_SEC_RT:
803 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
805 drv->fw.mvm_fw = true;
807 case IWL_UCODE_TLV_SECURE_SEC_INIT:
808 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
810 drv->fw.mvm_fw = true;
812 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
813 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
815 drv->fw.mvm_fw = true;
817 case IWL_UCODE_TLV_NUM_OF_CPU:
818 if (tlv_len != sizeof(u32))
819 goto invalid_tlv_len;
821 le32_to_cpup((__le32 *)tlv_data);
823 if (num_of_cpus == 2) {
824 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
826 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
828 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
830 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
831 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
835 case IWL_UCODE_TLV_CSCHEME:
836 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
837 goto invalid_tlv_len;
839 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
840 if (tlv_len != sizeof(u32))
841 goto invalid_tlv_len;
842 capa->n_scan_channels =
843 le32_to_cpup((__le32 *)tlv_data);
845 case IWL_UCODE_TLV_FW_VERSION: {
846 __le32 *ptr = (void *)tlv_data;
850 if (tlv_len != sizeof(u32) * 3)
851 goto invalid_tlv_len;
853 major = le32_to_cpup(ptr++);
854 minor = le32_to_cpup(ptr++);
855 local_comp = le32_to_cpup(ptr);
857 snprintf(drv->fw.fw_version,
858 sizeof(drv->fw.fw_version), "%u.%u.%u",
859 major, minor, local_comp);
862 case IWL_UCODE_TLV_FW_DBG_DEST: {
863 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
865 if (pieces->dbg_dest_tlv) {
867 "dbg destination ignored, already exists\n");
871 pieces->dbg_dest_tlv = dest;
872 IWL_INFO(drv, "Found debug destination: %s\n",
873 get_fw_dbg_mode_string(dest->monitor_mode));
875 drv->fw.dbg_dest_reg_num =
876 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
878 drv->fw.dbg_dest_reg_num /=
879 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
883 case IWL_UCODE_TLV_FW_DBG_CONF: {
884 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
886 if (!pieces->dbg_dest_tlv) {
888 "Ignore dbg config %d - no destination configured\n",
893 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
895 "Skip unknown configuration: %d\n",
900 if (pieces->dbg_conf_tlv[conf->id]) {
902 "Ignore duplicate dbg config %d\n",
910 IWL_INFO(drv, "Found debug configuration: %d\n",
913 pieces->dbg_conf_tlv[conf->id] = conf;
914 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
917 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
918 usniffer_images = true;
919 iwl_store_ucode_sec(pieces, tlv_data,
920 IWL_UCODE_REGULAR_USNIFFER,
923 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
924 if (tlv_len != sizeof(u32))
925 goto invalid_tlv_len;
926 drv->fw.sdio_adma_addr =
927 le32_to_cpup((__le32 *)tlv_data);
930 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
935 if (usniffer_req && !usniffer_images) {
937 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
942 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
943 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
950 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
952 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
957 static int iwl_alloc_ucode(struct iwl_drv *drv,
958 struct iwl_firmware_pieces *pieces,
959 enum iwl_ucode_type type)
963 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
965 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
966 get_sec(pieces, type, i)))
971 static int validate_sec_sizes(struct iwl_drv *drv,
972 struct iwl_firmware_pieces *pieces,
973 const struct iwl_cfg *cfg)
975 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
976 get_sec_size(pieces, IWL_UCODE_REGULAR,
977 IWL_UCODE_SECTION_INST));
978 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
979 get_sec_size(pieces, IWL_UCODE_REGULAR,
980 IWL_UCODE_SECTION_DATA));
981 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
982 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
983 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
984 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
986 /* Verify that uCode images will fit in card's SRAM. */
987 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
988 cfg->max_inst_size) {
989 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
990 get_sec_size(pieces, IWL_UCODE_REGULAR,
991 IWL_UCODE_SECTION_INST));
995 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
996 cfg->max_data_size) {
997 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
998 get_sec_size(pieces, IWL_UCODE_REGULAR,
999 IWL_UCODE_SECTION_DATA));
1003 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1004 cfg->max_inst_size) {
1005 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1006 get_sec_size(pieces, IWL_UCODE_INIT,
1007 IWL_UCODE_SECTION_INST));
1011 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1012 cfg->max_data_size) {
1013 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1014 get_sec_size(pieces, IWL_UCODE_REGULAR,
1015 IWL_UCODE_SECTION_DATA));
1021 static struct iwl_op_mode *
1022 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1024 const struct iwl_op_mode_ops *ops = op->ops;
1025 struct dentry *dbgfs_dir = NULL;
1026 struct iwl_op_mode *op_mode = NULL;
1028 #ifdef CONFIG_IWLWIFI_DEBUGFS
1029 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1031 if (!drv->dbgfs_op_mode) {
1033 "failed to create opmode debugfs directory\n");
1036 dbgfs_dir = drv->dbgfs_op_mode;
1039 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1041 #ifdef CONFIG_IWLWIFI_DEBUGFS
1043 debugfs_remove_recursive(drv->dbgfs_op_mode);
1044 drv->dbgfs_op_mode = NULL;
1051 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1053 /* op_mode can be NULL if its start failed */
1055 iwl_op_mode_stop(drv->op_mode);
1056 drv->op_mode = NULL;
1058 #ifdef CONFIG_IWLWIFI_DEBUGFS
1059 debugfs_remove_recursive(drv->dbgfs_op_mode);
1060 drv->dbgfs_op_mode = NULL;
1066 * iwl_req_fw_callback - callback when firmware was loaded
1068 * If loaded successfully, copies the firmware into buffers
1069 * for the card to fetch (via DMA).
1071 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1073 struct iwl_drv *drv = context;
1074 struct iwl_fw *fw = &drv->fw;
1075 struct iwl_ucode_header *ucode;
1076 struct iwlwifi_opmode_table *op;
1078 struct iwl_firmware_pieces *pieces;
1079 const unsigned int api_max = drv->cfg->ucode_api_max;
1080 unsigned int api_ok = drv->cfg->ucode_api_ok;
1081 const unsigned int api_min = drv->cfg->ucode_api_min;
1084 bool load_module = false;
1086 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1087 fw->ucode_capa.standard_phy_calibration_size =
1088 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1089 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1094 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1099 if (drv->fw_index <= api_ok)
1101 "request for firmware file '%s' failed.\n",
1102 drv->firmware_name);
1106 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1107 drv->firmware_name, ucode_raw->size);
1109 /* Make sure that we got at least the API version number */
1110 if (ucode_raw->size < 4) {
1111 IWL_ERR(drv, "File size way too small!\n");
1115 /* Data from ucode file: header followed by uCode images */
1116 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1119 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1121 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1127 if (drv->fw.ucode_capa.api[0] & IWL_UCODE_TLV_API_NEW_VERSION)
1128 api_ver = drv->fw.ucode_ver;
1130 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1133 * api_ver should match the api version forming part of the
1134 * firmware filename ... but we don't check for that and only rely
1135 * on the API version read from firmware header from here on forward
1137 /* no api version check required for experimental uCode */
1138 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1139 if (api_ver < api_min || api_ver > api_max) {
1141 "Driver unable to support your firmware API. "
1142 "Driver supports v%u, firmware is v%u.\n",
1147 if (api_ver < api_ok) {
1148 if (api_ok != api_max)
1149 IWL_ERR(drv, "Firmware has old API version, "
1150 "expected v%u through v%u, got v%u.\n",
1151 api_ok, api_max, api_ver);
1153 IWL_ERR(drv, "Firmware has old API version, "
1154 "expected v%u, got v%u.\n",
1156 IWL_ERR(drv, "New firmware can be obtained from "
1157 "http://www.intellinuxwireless.org/.\n");
1162 * In mvm uCode there is no difference between data and instructions
1165 if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1168 /* Allocate ucode buffers for card's bus-master loading ... */
1170 /* Runtime instructions and 2 copies of data:
1171 * 1) unmodified from disk
1172 * 2) backup cache for save/restore during power-downs */
1173 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1174 if (iwl_alloc_ucode(drv, pieces, i))
1177 if (pieces->dbg_dest_tlv) {
1178 drv->fw.dbg_dest_tlv =
1179 kmemdup(pieces->dbg_dest_tlv,
1180 sizeof(*pieces->dbg_dest_tlv) +
1181 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1182 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1184 if (!drv->fw.dbg_dest_tlv)
1188 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1189 if (pieces->dbg_conf_tlv[i]) {
1190 drv->fw.dbg_conf_tlv_len[i] =
1191 pieces->dbg_conf_tlv_len[i];
1192 drv->fw.dbg_conf_tlv[i] =
1193 kmemdup(pieces->dbg_conf_tlv[i],
1194 drv->fw.dbg_conf_tlv_len[i],
1196 if (!drv->fw.dbg_conf_tlv[i])
1201 /* Now that we can no longer fail, copy information */
1204 * The (size - 16) / 12 formula is based on the information recorded
1205 * for each event, which is of mode 1 (including timestamp) for all
1206 * new microcodes that include this information.
1208 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1209 if (pieces->init_evtlog_size)
1210 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1212 fw->init_evtlog_size =
1213 drv->cfg->base_params->max_event_log_size;
1214 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1215 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1216 if (pieces->inst_evtlog_size)
1217 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1219 fw->inst_evtlog_size =
1220 drv->cfg->base_params->max_event_log_size;
1221 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1224 * figure out the offset of chain noise reset and gain commands
1225 * base on the size of standard phy calibration commands table size
1227 if (fw->ucode_capa.standard_phy_calibration_size >
1228 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1229 fw->ucode_capa.standard_phy_calibration_size =
1230 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1232 /* We have our copies now, allow OS release its copies */
1233 release_firmware(ucode_raw);
1235 mutex_lock(&iwlwifi_opmode_table_mtx);
1237 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1239 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1241 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1242 drv->fw.fw_version, op->name);
1244 /* add this device to the list of devices using this op_mode */
1245 list_add_tail(&drv->list, &op->drv);
1248 drv->op_mode = _iwl_op_mode_start(drv, op);
1250 if (!drv->op_mode) {
1251 mutex_unlock(&iwlwifi_opmode_table_mtx);
1257 mutex_unlock(&iwlwifi_opmode_table_mtx);
1260 * Complete the firmware request last so that
1261 * a driver unbind (stop) doesn't run while we
1262 * are doing the start() above.
1264 complete(&drv->request_firmware_complete);
1267 * Load the module last so we don't block anything
1268 * else from proceeding if the module fails to load
1272 err = request_module("%s", op->name);
1273 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1276 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1283 /* try next, if any */
1284 release_firmware(ucode_raw);
1285 if (iwl_request_firmware(drv, false))
1291 IWL_ERR(drv, "failed to allocate pci memory\n");
1292 iwl_dealloc_ucode(drv);
1293 release_firmware(ucode_raw);
1296 complete(&drv->request_firmware_complete);
1297 device_release_driver(drv->trans->dev);
1300 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1301 const struct iwl_cfg *cfg)
1303 struct iwl_drv *drv;
1306 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1313 drv->dev = trans->dev;
1316 init_completion(&drv->request_firmware_complete);
1317 INIT_LIST_HEAD(&drv->list);
1319 #ifdef CONFIG_IWLWIFI_DEBUGFS
1320 /* Create the device debugfs entries. */
1321 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1324 if (!drv->dbgfs_drv) {
1325 IWL_ERR(drv, "failed to create debugfs directory\n");
1330 /* Create transport layer debugfs dir */
1331 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1333 if (!drv->trans->dbgfs_dir) {
1334 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1336 goto err_free_dbgfs;
1340 ret = iwl_request_firmware(drv, true);
1342 IWL_ERR(trans, "Couldn't request the fw\n");
1349 #ifdef CONFIG_IWLWIFI_DEBUGFS
1351 debugfs_remove_recursive(drv->dbgfs_drv);
1356 return ERR_PTR(ret);
1359 void iwl_drv_stop(struct iwl_drv *drv)
1361 wait_for_completion(&drv->request_firmware_complete);
1363 _iwl_op_mode_stop(drv);
1365 iwl_dealloc_ucode(drv);
1367 mutex_lock(&iwlwifi_opmode_table_mtx);
1369 * List is empty (this item wasn't added)
1370 * when firmware loading failed -- in that
1371 * case we can't remove it from any list.
1373 if (!list_empty(&drv->list))
1374 list_del(&drv->list);
1375 mutex_unlock(&iwlwifi_opmode_table_mtx);
1377 #ifdef CONFIG_IWLWIFI_DEBUGFS
1378 debugfs_remove_recursive(drv->dbgfs_drv);
1385 /* shared module parameters */
1386 struct iwl_mod_params iwlwifi_mod_params = {
1388 .bt_coex_active = true,
1389 .power_level = IWL_POWER_INDEX_1,
1390 .d0i3_disable = true,
1391 #ifndef CONFIG_IWLWIFI_UAPSD
1392 .uapsd_disable = true,
1393 #endif /* CONFIG_IWLWIFI_UAPSD */
1394 /* the rest are 0 by default */
1396 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1398 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1401 struct iwl_drv *drv;
1402 struct iwlwifi_opmode_table *op;
1404 mutex_lock(&iwlwifi_opmode_table_mtx);
1405 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1406 op = &iwlwifi_opmode_table[i];
1407 if (strcmp(op->name, name))
1410 /* TODO: need to handle exceptional case */
1411 list_for_each_entry(drv, &op->drv, list)
1412 drv->op_mode = _iwl_op_mode_start(drv, op);
1414 mutex_unlock(&iwlwifi_opmode_table_mtx);
1417 mutex_unlock(&iwlwifi_opmode_table_mtx);
1420 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1422 void iwl_opmode_deregister(const char *name)
1425 struct iwl_drv *drv;
1427 mutex_lock(&iwlwifi_opmode_table_mtx);
1428 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1429 if (strcmp(iwlwifi_opmode_table[i].name, name))
1431 iwlwifi_opmode_table[i].ops = NULL;
1433 /* call the stop routine for all devices */
1434 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1435 _iwl_op_mode_stop(drv);
1437 mutex_unlock(&iwlwifi_opmode_table_mtx);
1440 mutex_unlock(&iwlwifi_opmode_table_mtx);
1442 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1444 static int __init iwl_drv_init(void)
1448 mutex_init(&iwlwifi_opmode_table_mtx);
1450 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1451 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1453 pr_info(DRV_DESCRIPTION "\n");
1454 pr_info(DRV_COPYRIGHT "\n");
1456 #ifdef CONFIG_IWLWIFI_DEBUGFS
1457 /* Create the root of iwlwifi debugfs subsystem. */
1458 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1460 if (!iwl_dbgfs_root)
1464 return iwl_pci_register_driver();
1466 module_init(iwl_drv_init);
1468 static void __exit iwl_drv_exit(void)
1470 iwl_pci_unregister_driver();
1472 #ifdef CONFIG_IWLWIFI_DEBUGFS
1473 debugfs_remove_recursive(iwl_dbgfs_root);
1476 module_exit(iwl_drv_exit);
1478 #ifdef CONFIG_IWLWIFI_DEBUG
1479 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1481 MODULE_PARM_DESC(debug, "debug output mask");
1484 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1485 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1486 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1487 MODULE_PARM_DESC(11n_disable,
1488 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1489 module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
1491 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
1492 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1493 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1495 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1497 MODULE_PARM_DESC(antenna_coupling,
1498 "specify antenna coupling in dB (default: 0 dB)");
1500 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1501 MODULE_PARM_DESC(nvm_file, "NVM file name");
1503 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1505 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1507 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1508 bool, S_IRUGO | S_IWUSR);
1509 #ifdef CONFIG_IWLWIFI_UAPSD
1510 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
1512 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
1516 * set bt_coex_active to true, uCode will do kill/defer
1517 * every time the priority line is asserted (BT is sending signals on the
1518 * priority line in the PCIx).
1519 * set bt_coex_active to false, uCode will ignore the BT activity and
1520 * perform the normal operation
1522 * User might experience transmit issue on some platform due to WiFi/BT
1523 * co-exist problem. The possible behaviors are:
1524 * Able to scan and finding all the available AP
1525 * Not able to associate with any AP
1526 * On those platforms, WiFi communication can be restored by set
1527 * "bt_coex_active" module parameter to "false"
1529 * default: bt_coex_active = true (BT_COEX_ENABLE)
1531 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1533 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1535 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1536 MODULE_PARM_DESC(led_mode, "0=system default, "
1537 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1539 module_param_named(power_save, iwlwifi_mod_params.power_save,
1541 MODULE_PARM_DESC(power_save,
1542 "enable WiFi power management (default: disable)");
1544 module_param_named(power_level, iwlwifi_mod_params.power_level,
1546 MODULE_PARM_DESC(power_level,
1547 "default power save level (range from 1 - 5, default: 1)");
1549 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1550 MODULE_PARM_DESC(fw_monitor,
1551 "firmware monitor - to debug FW (default: false - needs lots of memory)");