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
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 <linuxwifi@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 - 2015 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 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 < 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]);
178 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
179 kfree(drv->fw.dbg_trigger_tlv[i]);
181 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
182 iwl_free_fw_img(drv, drv->fw.img + i);
185 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
192 if (!sec || !sec->size)
195 data = vmalloc(sec->size);
199 desc->len = sec->size;
200 desc->offset = sec->offset;
201 memcpy(data, sec->data, desc->len);
207 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
210 #define UCODE_EXPERIMENTAL_INDEX 100
211 #define UCODE_EXPERIMENTAL_TAG "exp"
213 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
215 const char *name_pre = drv->cfg->fw_name_pre;
219 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
220 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
221 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
222 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
224 drv->fw_index = drv->cfg->ucode_api_max;
225 sprintf(tag, "%d", drv->fw_index);
228 sprintf(tag, "%d", drv->fw_index);
231 if (drv->fw_index < drv->cfg->ucode_api_min) {
232 IWL_ERR(drv, "no suitable firmware found!\n");
236 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
240 * Starting 8000B - FW name format has changed. This overwrites the
241 * previous name and uses the new format.
243 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
244 char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev);
246 snprintf(drv->firmware_name, sizeof(drv->firmware_name),
247 "%s%c-%s.ucode", name_pre, rev_step, tag);
250 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
251 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
252 ? "EXPERIMENTAL " : "",
255 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
257 GFP_KERNEL, drv, iwl_req_fw_callback);
260 struct fw_img_parsing {
261 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
266 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
268 struct fw_sec_parsing {
274 * struct iwl_tlv_calib_data - parse the default calib data from TLV
276 * @ucode_type: the uCode to which the following default calib relates.
277 * @calib: default calibrations.
279 struct iwl_tlv_calib_data {
281 struct iwl_tlv_calib_ctrl calib;
284 struct iwl_firmware_pieces {
285 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
287 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
288 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
290 /* FW debug data parsed for driver usage */
291 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
292 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
293 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
294 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
295 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
299 * These functions are just to extract uCode section data from the pieces
302 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
303 enum iwl_ucode_type type,
306 return &pieces->img[type].sec[sec];
309 static void set_sec_data(struct iwl_firmware_pieces *pieces,
310 enum iwl_ucode_type type,
314 pieces->img[type].sec[sec].data = data;
317 static void set_sec_size(struct iwl_firmware_pieces *pieces,
318 enum iwl_ucode_type type,
322 pieces->img[type].sec[sec].size = size;
325 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
326 enum iwl_ucode_type type,
329 return pieces->img[type].sec[sec].size;
332 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
333 enum iwl_ucode_type type,
337 pieces->img[type].sec[sec].offset = offset;
340 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
343 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
344 struct iwl_fw_cipher_scheme *fwcs;
345 struct ieee80211_cipher_scheme *cs;
348 if (len < sizeof(*l) ||
349 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
352 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
354 cipher = le32_to_cpu(fwcs->cipher);
356 /* we skip schemes with zero cipher suite selector */
362 cs->iftype = BIT(NL80211_IFTYPE_STATION);
363 cs->hdr_len = fwcs->hdr_len;
364 cs->pn_len = fwcs->pn_len;
365 cs->pn_off = fwcs->pn_off;
366 cs->key_idx_off = fwcs->key_idx_off;
367 cs->key_idx_mask = fwcs->key_idx_mask;
368 cs->key_idx_shift = fwcs->key_idx_shift;
369 cs->mic_len = fwcs->mic_len;
375 static int iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data,
378 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data;
379 struct iwl_gscan_capabilities *capa = &fw->gscan_capa;
381 if (len < sizeof(*fw_capa))
384 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size);
385 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets);
386 capa->max_ap_cache_per_scan =
387 le32_to_cpu(fw_capa->max_ap_cache_per_scan);
388 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size);
389 capa->max_scan_reporting_threshold =
390 le32_to_cpu(fw_capa->max_scan_reporting_threshold);
391 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps);
392 capa->max_significant_change_aps =
393 le32_to_cpu(fw_capa->max_significant_change_aps);
394 capa->max_bssid_history_entries =
395 le32_to_cpu(fw_capa->max_bssid_history_entries);
400 * Gets uCode section from tlv.
402 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
403 const void *data, enum iwl_ucode_type type,
406 struct fw_img_parsing *img;
408 struct fw_sec_parsing *sec_parse;
410 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
413 sec_parse = (struct fw_sec_parsing *)data;
415 img = &pieces->img[type];
416 sec = &img->sec[img->sec_counter];
418 sec->offset = le32_to_cpu(sec_parse->offset);
419 sec->data = sec_parse->data;
420 sec->size = size - sizeof(sec_parse->offset);
427 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
429 struct iwl_tlv_calib_data *def_calib =
430 (struct iwl_tlv_calib_data *)data;
431 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
432 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
433 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
437 drv->fw.default_calib[ucode_type].flow_trigger =
438 def_calib->calib.flow_trigger;
439 drv->fw.default_calib[ucode_type].event_trigger =
440 def_calib->calib.event_trigger;
445 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
446 struct iwl_ucode_capabilities *capa)
448 const struct iwl_ucode_api *ucode_api = (void *)data;
449 u32 api_index = le32_to_cpu(ucode_api->api_index);
450 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
453 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
455 "api flags index %d larger than supported by driver\n",
457 /* don't return an error so we can load FW that has more bits */
461 for (i = 0; i < 32; i++) {
462 if (api_flags & BIT(i))
463 __set_bit(i + 32 * api_index, capa->_api);
469 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
470 struct iwl_ucode_capabilities *capa)
472 const struct iwl_ucode_capa *ucode_capa = (void *)data;
473 u32 api_index = le32_to_cpu(ucode_capa->api_index);
474 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
477 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
479 "capa flags index %d larger than supported by driver\n",
481 /* don't return an error so we can load FW that has more bits */
485 for (i = 0; i < 32; i++) {
486 if (api_flags & BIT(i))
487 __set_bit(i + 32 * api_index, capa->_capa);
493 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
494 const struct firmware *ucode_raw,
495 struct iwl_firmware_pieces *pieces)
497 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
498 u32 api_ver, hdr_size, build;
502 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
503 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
508 if (ucode_raw->size < hdr_size) {
509 IWL_ERR(drv, "File size too small!\n");
512 build = le32_to_cpu(ucode->u.v2.build);
513 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
514 le32_to_cpu(ucode->u.v2.inst_size));
515 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
516 le32_to_cpu(ucode->u.v2.data_size));
517 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
518 le32_to_cpu(ucode->u.v2.init_size));
519 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
520 le32_to_cpu(ucode->u.v2.init_data_size));
521 src = ucode->u.v2.data;
527 if (ucode_raw->size < hdr_size) {
528 IWL_ERR(drv, "File size too small!\n");
532 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
533 le32_to_cpu(ucode->u.v1.inst_size));
534 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
535 le32_to_cpu(ucode->u.v1.data_size));
536 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
537 le32_to_cpu(ucode->u.v1.init_size));
538 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
539 le32_to_cpu(ucode->u.v1.init_data_size));
540 src = ucode->u.v1.data;
545 sprintf(buildstr, " build %u%s", build,
546 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
551 snprintf(drv->fw.fw_version,
552 sizeof(drv->fw.fw_version),
554 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
555 IWL_UCODE_MINOR(drv->fw.ucode_ver),
556 IWL_UCODE_API(drv->fw.ucode_ver),
557 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
560 /* Verify size of file vs. image size info in file's header */
562 if (ucode_raw->size != hdr_size +
563 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
564 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
565 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
566 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
569 "uCode file size %d does not match expected size\n",
570 (int)ucode_raw->size);
575 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
576 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
577 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
578 IWLAGN_RTC_INST_LOWER_BOUND);
579 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
580 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
581 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
582 IWLAGN_RTC_DATA_LOWER_BOUND);
583 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
584 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
585 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
586 IWLAGN_RTC_INST_LOWER_BOUND);
587 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
588 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
589 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
590 IWLAGN_RTC_DATA_LOWER_BOUND);
594 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
595 const struct firmware *ucode_raw,
596 struct iwl_firmware_pieces *pieces,
597 struct iwl_ucode_capabilities *capa,
598 bool *usniffer_images)
600 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
601 struct iwl_ucode_tlv *tlv;
602 size_t len = ucode_raw->size;
606 enum iwl_ucode_tlv_type tlv_type;
609 u32 build, paging_mem_size;
611 bool usniffer_req = false;
612 bool gscan_capa = false;
614 if (len < sizeof(*ucode)) {
615 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
619 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
620 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
621 le32_to_cpu(ucode->magic));
625 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
626 memcpy(drv->fw.human_readable, ucode->human_readable,
627 sizeof(drv->fw.human_readable));
628 build = le32_to_cpu(ucode->build);
631 sprintf(buildstr, " build %u%s", build,
632 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
637 snprintf(drv->fw.fw_version,
638 sizeof(drv->fw.fw_version),
640 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
641 IWL_UCODE_MINOR(drv->fw.ucode_ver),
642 IWL_UCODE_API(drv->fw.ucode_ver),
643 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
648 len -= sizeof(*ucode);
650 while (len >= sizeof(*tlv)) {
654 tlv_len = le32_to_cpu(tlv->length);
655 tlv_type = le32_to_cpu(tlv->type);
656 tlv_data = tlv->data;
659 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
663 len -= ALIGN(tlv_len, 4);
664 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
667 case IWL_UCODE_TLV_INST:
668 set_sec_data(pieces, IWL_UCODE_REGULAR,
669 IWL_UCODE_SECTION_INST, tlv_data);
670 set_sec_size(pieces, IWL_UCODE_REGULAR,
671 IWL_UCODE_SECTION_INST, tlv_len);
672 set_sec_offset(pieces, IWL_UCODE_REGULAR,
673 IWL_UCODE_SECTION_INST,
674 IWLAGN_RTC_INST_LOWER_BOUND);
676 case IWL_UCODE_TLV_DATA:
677 set_sec_data(pieces, IWL_UCODE_REGULAR,
678 IWL_UCODE_SECTION_DATA, tlv_data);
679 set_sec_size(pieces, IWL_UCODE_REGULAR,
680 IWL_UCODE_SECTION_DATA, tlv_len);
681 set_sec_offset(pieces, IWL_UCODE_REGULAR,
682 IWL_UCODE_SECTION_DATA,
683 IWLAGN_RTC_DATA_LOWER_BOUND);
685 case IWL_UCODE_TLV_INIT:
686 set_sec_data(pieces, IWL_UCODE_INIT,
687 IWL_UCODE_SECTION_INST, tlv_data);
688 set_sec_size(pieces, IWL_UCODE_INIT,
689 IWL_UCODE_SECTION_INST, tlv_len);
690 set_sec_offset(pieces, IWL_UCODE_INIT,
691 IWL_UCODE_SECTION_INST,
692 IWLAGN_RTC_INST_LOWER_BOUND);
694 case IWL_UCODE_TLV_INIT_DATA:
695 set_sec_data(pieces, IWL_UCODE_INIT,
696 IWL_UCODE_SECTION_DATA, tlv_data);
697 set_sec_size(pieces, IWL_UCODE_INIT,
698 IWL_UCODE_SECTION_DATA, tlv_len);
699 set_sec_offset(pieces, IWL_UCODE_INIT,
700 IWL_UCODE_SECTION_DATA,
701 IWLAGN_RTC_DATA_LOWER_BOUND);
703 case IWL_UCODE_TLV_BOOT:
704 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
706 case IWL_UCODE_TLV_PROBE_MAX_LEN:
707 if (tlv_len != sizeof(u32))
708 goto invalid_tlv_len;
709 capa->max_probe_length =
710 le32_to_cpup((__le32 *)tlv_data);
712 case IWL_UCODE_TLV_PAN:
714 goto invalid_tlv_len;
715 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
717 case IWL_UCODE_TLV_FLAGS:
718 /* must be at least one u32 */
719 if (tlv_len < sizeof(u32))
720 goto invalid_tlv_len;
721 /* and a proper number of u32s */
722 if (tlv_len % sizeof(u32))
723 goto invalid_tlv_len;
725 * This driver only reads the first u32 as
726 * right now no more features are defined,
727 * if that changes then either the driver
728 * will not work with the new firmware, or
729 * it'll not take advantage of new features.
731 capa->flags = le32_to_cpup((__le32 *)tlv_data);
733 case IWL_UCODE_TLV_API_CHANGES_SET:
734 if (tlv_len != sizeof(struct iwl_ucode_api))
735 goto invalid_tlv_len;
736 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
739 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
740 if (tlv_len != sizeof(struct iwl_ucode_capa))
741 goto invalid_tlv_len;
742 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
745 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
746 if (tlv_len != sizeof(u32))
747 goto invalid_tlv_len;
748 pieces->init_evtlog_ptr =
749 le32_to_cpup((__le32 *)tlv_data);
751 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
752 if (tlv_len != sizeof(u32))
753 goto invalid_tlv_len;
754 pieces->init_evtlog_size =
755 le32_to_cpup((__le32 *)tlv_data);
757 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
758 if (tlv_len != sizeof(u32))
759 goto invalid_tlv_len;
760 pieces->init_errlog_ptr =
761 le32_to_cpup((__le32 *)tlv_data);
763 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
764 if (tlv_len != sizeof(u32))
765 goto invalid_tlv_len;
766 pieces->inst_evtlog_ptr =
767 le32_to_cpup((__le32 *)tlv_data);
769 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
770 if (tlv_len != sizeof(u32))
771 goto invalid_tlv_len;
772 pieces->inst_evtlog_size =
773 le32_to_cpup((__le32 *)tlv_data);
775 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
776 if (tlv_len != sizeof(u32))
777 goto invalid_tlv_len;
778 pieces->inst_errlog_ptr =
779 le32_to_cpup((__le32 *)tlv_data);
781 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
783 goto invalid_tlv_len;
784 drv->fw.enhance_sensitivity_table = true;
786 case IWL_UCODE_TLV_WOWLAN_INST:
787 set_sec_data(pieces, IWL_UCODE_WOWLAN,
788 IWL_UCODE_SECTION_INST, tlv_data);
789 set_sec_size(pieces, IWL_UCODE_WOWLAN,
790 IWL_UCODE_SECTION_INST, tlv_len);
791 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
792 IWL_UCODE_SECTION_INST,
793 IWLAGN_RTC_INST_LOWER_BOUND);
795 case IWL_UCODE_TLV_WOWLAN_DATA:
796 set_sec_data(pieces, IWL_UCODE_WOWLAN,
797 IWL_UCODE_SECTION_DATA, tlv_data);
798 set_sec_size(pieces, IWL_UCODE_WOWLAN,
799 IWL_UCODE_SECTION_DATA, tlv_len);
800 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
801 IWL_UCODE_SECTION_DATA,
802 IWLAGN_RTC_DATA_LOWER_BOUND);
804 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
805 if (tlv_len != sizeof(u32))
806 goto invalid_tlv_len;
807 capa->standard_phy_calibration_size =
808 le32_to_cpup((__le32 *)tlv_data);
810 case IWL_UCODE_TLV_SEC_RT:
811 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
813 drv->fw.mvm_fw = true;
815 case IWL_UCODE_TLV_SEC_INIT:
816 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
818 drv->fw.mvm_fw = true;
820 case IWL_UCODE_TLV_SEC_WOWLAN:
821 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
823 drv->fw.mvm_fw = true;
825 case IWL_UCODE_TLV_DEF_CALIB:
826 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
827 goto invalid_tlv_len;
828 if (iwl_set_default_calib(drv, tlv_data))
831 case IWL_UCODE_TLV_PHY_SKU:
832 if (tlv_len != sizeof(u32))
833 goto invalid_tlv_len;
834 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
835 drv->fw.valid_tx_ant = (drv->fw.phy_config &
836 FW_PHY_CFG_TX_CHAIN) >>
837 FW_PHY_CFG_TX_CHAIN_POS;
838 drv->fw.valid_rx_ant = (drv->fw.phy_config &
839 FW_PHY_CFG_RX_CHAIN) >>
840 FW_PHY_CFG_RX_CHAIN_POS;
842 case IWL_UCODE_TLV_SECURE_SEC_RT:
843 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
845 drv->fw.mvm_fw = true;
847 case IWL_UCODE_TLV_SECURE_SEC_INIT:
848 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
850 drv->fw.mvm_fw = true;
852 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
853 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
855 drv->fw.mvm_fw = true;
857 case IWL_UCODE_TLV_NUM_OF_CPU:
858 if (tlv_len != sizeof(u32))
859 goto invalid_tlv_len;
861 le32_to_cpup((__le32 *)tlv_data);
863 if (num_of_cpus == 2) {
864 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
866 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
868 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
870 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
871 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
875 case IWL_UCODE_TLV_CSCHEME:
876 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
877 goto invalid_tlv_len;
879 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
880 if (tlv_len != sizeof(u32))
881 goto invalid_tlv_len;
882 capa->n_scan_channels =
883 le32_to_cpup((__le32 *)tlv_data);
885 case IWL_UCODE_TLV_FW_VERSION: {
886 __le32 *ptr = (void *)tlv_data;
890 if (tlv_len != sizeof(u32) * 3)
891 goto invalid_tlv_len;
893 major = le32_to_cpup(ptr++);
894 minor = le32_to_cpup(ptr++);
895 local_comp = le32_to_cpup(ptr);
897 snprintf(drv->fw.fw_version,
898 sizeof(drv->fw.fw_version), "%u.%u.%u",
899 major, minor, local_comp);
902 case IWL_UCODE_TLV_FW_DBG_DEST: {
903 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data;
905 if (pieces->dbg_dest_tlv) {
907 "dbg destination ignored, already exists\n");
911 pieces->dbg_dest_tlv = dest;
912 IWL_INFO(drv, "Found debug destination: %s\n",
913 get_fw_dbg_mode_string(dest->monitor_mode));
915 drv->fw.dbg_dest_reg_num =
916 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv,
918 drv->fw.dbg_dest_reg_num /=
919 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
923 case IWL_UCODE_TLV_FW_DBG_CONF: {
924 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data;
926 if (!pieces->dbg_dest_tlv) {
928 "Ignore dbg config %d - no destination configured\n",
933 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
935 "Skip unknown configuration: %d\n",
940 if (pieces->dbg_conf_tlv[conf->id]) {
942 "Ignore duplicate dbg config %d\n",
950 IWL_INFO(drv, "Found debug configuration: %d\n",
953 pieces->dbg_conf_tlv[conf->id] = conf;
954 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
957 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
958 struct iwl_fw_dbg_trigger_tlv *trigger =
960 u32 trigger_id = le32_to_cpu(trigger->id);
962 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
964 "Skip unknown trigger: %u\n",
969 if (pieces->dbg_trigger_tlv[trigger_id]) {
971 "Ignore duplicate dbg trigger %u\n",
976 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
978 pieces->dbg_trigger_tlv[trigger_id] = trigger;
979 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
982 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
983 *usniffer_images = true;
984 iwl_store_ucode_sec(pieces, tlv_data,
985 IWL_UCODE_REGULAR_USNIFFER,
988 case IWL_UCODE_TLV_PAGING:
989 if (tlv_len != sizeof(u32))
990 goto invalid_tlv_len;
991 paging_mem_size = le32_to_cpup((__le32 *)tlv_data);
994 "Paging: paging enabled (size = %u bytes)\n",
997 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
999 "Paging: driver supports up to %lu bytes for paging image\n",
1000 MAX_PAGING_IMAGE_SIZE);
1004 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1006 "Paging: image isn't multiple %lu\n",
1011 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1013 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1014 drv->fw.img[usniffer_img].paging_mem_size =
1017 case IWL_UCODE_TLV_SDIO_ADMA_ADDR:
1018 if (tlv_len != sizeof(u32))
1019 goto invalid_tlv_len;
1020 drv->fw.sdio_adma_addr =
1021 le32_to_cpup((__le32 *)tlv_data);
1023 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1024 if (iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len))
1025 goto invalid_tlv_len;
1029 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1034 if (usniffer_req && !*usniffer_images) {
1036 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1041 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1042 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
1047 * If ucode advertises that it supports GSCAN but GSCAN
1048 * capabilities TLV is not present, warn and continue without GSCAN.
1050 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) &&
1052 "GSCAN is supported but capabilities TLV is unavailable\n"))
1053 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT,
1059 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1061 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1066 static int iwl_alloc_ucode(struct iwl_drv *drv,
1067 struct iwl_firmware_pieces *pieces,
1068 enum iwl_ucode_type type)
1072 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
1074 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
1075 get_sec(pieces, type, i)))
1080 static int validate_sec_sizes(struct iwl_drv *drv,
1081 struct iwl_firmware_pieces *pieces,
1082 const struct iwl_cfg *cfg)
1084 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
1085 get_sec_size(pieces, IWL_UCODE_REGULAR,
1086 IWL_UCODE_SECTION_INST));
1087 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
1088 get_sec_size(pieces, IWL_UCODE_REGULAR,
1089 IWL_UCODE_SECTION_DATA));
1090 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
1091 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1092 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
1093 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1095 /* Verify that uCode images will fit in card's SRAM. */
1096 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1097 cfg->max_inst_size) {
1098 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
1099 get_sec_size(pieces, IWL_UCODE_REGULAR,
1100 IWL_UCODE_SECTION_INST));
1104 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1105 cfg->max_data_size) {
1106 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
1107 get_sec_size(pieces, IWL_UCODE_REGULAR,
1108 IWL_UCODE_SECTION_DATA));
1112 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1113 cfg->max_inst_size) {
1114 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
1115 get_sec_size(pieces, IWL_UCODE_INIT,
1116 IWL_UCODE_SECTION_INST));
1120 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1121 cfg->max_data_size) {
1122 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
1123 get_sec_size(pieces, IWL_UCODE_REGULAR,
1124 IWL_UCODE_SECTION_DATA));
1130 static struct iwl_op_mode *
1131 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1133 const struct iwl_op_mode_ops *ops = op->ops;
1134 struct dentry *dbgfs_dir = NULL;
1135 struct iwl_op_mode *op_mode = NULL;
1137 #ifdef CONFIG_IWLWIFI_DEBUGFS
1138 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1140 if (!drv->dbgfs_op_mode) {
1142 "failed to create opmode debugfs directory\n");
1145 dbgfs_dir = drv->dbgfs_op_mode;
1148 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
1150 #ifdef CONFIG_IWLWIFI_DEBUGFS
1152 debugfs_remove_recursive(drv->dbgfs_op_mode);
1153 drv->dbgfs_op_mode = NULL;
1160 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1162 /* op_mode can be NULL if its start failed */
1164 iwl_op_mode_stop(drv->op_mode);
1165 drv->op_mode = NULL;
1167 #ifdef CONFIG_IWLWIFI_DEBUGFS
1168 debugfs_remove_recursive(drv->dbgfs_op_mode);
1169 drv->dbgfs_op_mode = NULL;
1175 * iwl_req_fw_callback - callback when firmware was loaded
1177 * If loaded successfully, copies the firmware into buffers
1178 * for the card to fetch (via DMA).
1180 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1182 struct iwl_drv *drv = context;
1183 struct iwl_fw *fw = &drv->fw;
1184 struct iwl_ucode_header *ucode;
1185 struct iwlwifi_opmode_table *op;
1187 struct iwl_firmware_pieces *pieces;
1188 const unsigned int api_max = drv->cfg->ucode_api_max;
1189 unsigned int api_ok = drv->cfg->ucode_api_ok;
1190 const unsigned int api_min = drv->cfg->ucode_api_min;
1191 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1194 bool load_module = false;
1195 bool usniffer_images = false;
1197 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1198 fw->ucode_capa.standard_phy_calibration_size =
1199 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1200 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1205 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1210 if (drv->fw_index <= api_ok)
1212 "request for firmware file '%s' failed.\n",
1213 drv->firmware_name);
1217 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1218 drv->firmware_name, ucode_raw->size);
1220 /* Make sure that we got at least the API version number */
1221 if (ucode_raw->size < 4) {
1222 IWL_ERR(drv, "File size way too small!\n");
1226 /* Data from ucode file: header followed by uCode images */
1227 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1230 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1232 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1233 &fw->ucode_capa, &usniffer_images);
1238 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1239 api_ver = drv->fw.ucode_ver;
1241 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1244 * api_ver should match the api version forming part of the
1245 * firmware filename ... but we don't check for that and only rely
1246 * on the API version read from firmware header from here on forward
1248 /* no api version check required for experimental uCode */
1249 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1250 if (api_ver < api_min || api_ver > api_max) {
1252 "Driver unable to support your firmware API. "
1253 "Driver supports v%u, firmware is v%u.\n",
1258 if (api_ver < api_ok) {
1259 if (api_ok != api_max)
1260 IWL_ERR(drv, "Firmware has old API version, "
1261 "expected v%u through v%u, got v%u.\n",
1262 api_ok, api_max, api_ver);
1264 IWL_ERR(drv, "Firmware has old API version, "
1265 "expected v%u, got v%u.\n",
1267 IWL_ERR(drv, "New firmware can be obtained from "
1268 "http://www.intellinuxwireless.org/.\n");
1273 * In mvm uCode there is no difference between data and instructions
1276 if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg))
1279 /* Allocate ucode buffers for card's bus-master loading ... */
1281 /* Runtime instructions and 2 copies of data:
1282 * 1) unmodified from disk
1283 * 2) backup cache for save/restore during power-downs */
1284 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1285 if (iwl_alloc_ucode(drv, pieces, i))
1288 if (pieces->dbg_dest_tlv) {
1289 drv->fw.dbg_dest_tlv =
1290 kmemdup(pieces->dbg_dest_tlv,
1291 sizeof(*pieces->dbg_dest_tlv) +
1292 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) *
1293 drv->fw.dbg_dest_reg_num, GFP_KERNEL);
1295 if (!drv->fw.dbg_dest_tlv)
1299 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
1300 if (pieces->dbg_conf_tlv[i]) {
1301 drv->fw.dbg_conf_tlv_len[i] =
1302 pieces->dbg_conf_tlv_len[i];
1303 drv->fw.dbg_conf_tlv[i] =
1304 kmemdup(pieces->dbg_conf_tlv[i],
1305 drv->fw.dbg_conf_tlv_len[i],
1307 if (!drv->fw.dbg_conf_tlv[i])
1312 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1314 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1315 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1316 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1317 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1318 sizeof(struct iwl_fw_dbg_trigger_cmd);
1319 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1320 sizeof(struct iwl_fw_dbg_trigger_mlme);
1321 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1322 sizeof(struct iwl_fw_dbg_trigger_stats);
1323 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1324 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1325 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1326 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1327 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1328 sizeof(struct iwl_fw_dbg_trigger_time_event);
1329 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1330 sizeof(struct iwl_fw_dbg_trigger_ba);
1331 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1332 sizeof(struct iwl_fw_dbg_trigger_tdls);
1334 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
1335 if (pieces->dbg_trigger_tlv[i]) {
1337 * If the trigger isn't long enough, WARN and exit.
1338 * Someone is trying to debug something and he won't
1339 * be able to catch the bug he is trying to chase.
1340 * We'd better be noisy to be sure he knows what's
1343 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1344 (trigger_tlv_sz[i] +
1345 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1347 drv->fw.dbg_trigger_tlv_len[i] =
1348 pieces->dbg_trigger_tlv_len[i];
1349 drv->fw.dbg_trigger_tlv[i] =
1350 kmemdup(pieces->dbg_trigger_tlv[i],
1351 drv->fw.dbg_trigger_tlv_len[i],
1353 if (!drv->fw.dbg_trigger_tlv[i])
1358 /* Now that we can no longer fail, copy information */
1361 * The (size - 16) / 12 formula is based on the information recorded
1362 * for each event, which is of mode 1 (including timestamp) for all
1363 * new microcodes that include this information.
1365 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1366 if (pieces->init_evtlog_size)
1367 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1369 fw->init_evtlog_size =
1370 drv->cfg->base_params->max_event_log_size;
1371 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1372 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1373 if (pieces->inst_evtlog_size)
1374 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1376 fw->inst_evtlog_size =
1377 drv->cfg->base_params->max_event_log_size;
1378 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1381 * figure out the offset of chain noise reset and gain commands
1382 * base on the size of standard phy calibration commands table size
1384 if (fw->ucode_capa.standard_phy_calibration_size >
1385 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1386 fw->ucode_capa.standard_phy_calibration_size =
1387 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1389 /* We have our copies now, allow OS release its copies */
1390 release_firmware(ucode_raw);
1392 mutex_lock(&iwlwifi_opmode_table_mtx);
1394 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1396 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1398 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1399 drv->fw.fw_version, op->name);
1401 /* add this device to the list of devices using this op_mode */
1402 list_add_tail(&drv->list, &op->drv);
1405 drv->op_mode = _iwl_op_mode_start(drv, op);
1407 if (!drv->op_mode) {
1408 mutex_unlock(&iwlwifi_opmode_table_mtx);
1414 mutex_unlock(&iwlwifi_opmode_table_mtx);
1417 * Complete the firmware request last so that
1418 * a driver unbind (stop) doesn't run while we
1419 * are doing the start() above.
1421 complete(&drv->request_firmware_complete);
1424 * Load the module last so we don't block anything
1425 * else from proceeding if the module fails to load
1429 err = request_module("%s", op->name);
1430 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1433 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1441 /* try next, if any */
1442 release_firmware(ucode_raw);
1443 if (iwl_request_firmware(drv, false))
1449 IWL_ERR(drv, "failed to allocate pci memory\n");
1450 iwl_dealloc_ucode(drv);
1451 release_firmware(ucode_raw);
1454 complete(&drv->request_firmware_complete);
1455 device_release_driver(drv->trans->dev);
1458 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1459 const struct iwl_cfg *cfg)
1461 struct iwl_drv *drv;
1464 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1471 drv->dev = trans->dev;
1474 init_completion(&drv->request_firmware_complete);
1475 INIT_LIST_HEAD(&drv->list);
1477 #ifdef CONFIG_IWLWIFI_DEBUGFS
1478 /* Create the device debugfs entries. */
1479 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1482 if (!drv->dbgfs_drv) {
1483 IWL_ERR(drv, "failed to create debugfs directory\n");
1488 /* Create transport layer debugfs dir */
1489 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1491 if (!drv->trans->dbgfs_dir) {
1492 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1494 goto err_free_dbgfs;
1498 ret = iwl_request_firmware(drv, true);
1500 IWL_ERR(trans, "Couldn't request the fw\n");
1507 #ifdef CONFIG_IWLWIFI_DEBUGFS
1509 debugfs_remove_recursive(drv->dbgfs_drv);
1514 return ERR_PTR(ret);
1517 void iwl_drv_stop(struct iwl_drv *drv)
1519 wait_for_completion(&drv->request_firmware_complete);
1521 _iwl_op_mode_stop(drv);
1523 iwl_dealloc_ucode(drv);
1525 mutex_lock(&iwlwifi_opmode_table_mtx);
1527 * List is empty (this item wasn't added)
1528 * when firmware loading failed -- in that
1529 * case we can't remove it from any list.
1531 if (!list_empty(&drv->list))
1532 list_del(&drv->list);
1533 mutex_unlock(&iwlwifi_opmode_table_mtx);
1535 #ifdef CONFIG_IWLWIFI_DEBUGFS
1536 debugfs_remove_recursive(drv->dbgfs_drv);
1543 /* shared module parameters */
1544 struct iwl_mod_params iwlwifi_mod_params = {
1546 .bt_coex_active = true,
1547 .power_level = IWL_POWER_INDEX_1,
1548 .d0i3_disable = true,
1549 .d0i3_entry_delay = 1000,
1550 #ifndef CONFIG_IWLWIFI_UAPSD
1551 .uapsd_disable = true,
1552 #endif /* CONFIG_IWLWIFI_UAPSD */
1553 /* the rest are 0 by default */
1555 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1557 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1560 struct iwl_drv *drv;
1561 struct iwlwifi_opmode_table *op;
1563 mutex_lock(&iwlwifi_opmode_table_mtx);
1564 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1565 op = &iwlwifi_opmode_table[i];
1566 if (strcmp(op->name, name))
1569 /* TODO: need to handle exceptional case */
1570 list_for_each_entry(drv, &op->drv, list)
1571 drv->op_mode = _iwl_op_mode_start(drv, op);
1573 mutex_unlock(&iwlwifi_opmode_table_mtx);
1576 mutex_unlock(&iwlwifi_opmode_table_mtx);
1579 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1581 void iwl_opmode_deregister(const char *name)
1584 struct iwl_drv *drv;
1586 mutex_lock(&iwlwifi_opmode_table_mtx);
1587 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1588 if (strcmp(iwlwifi_opmode_table[i].name, name))
1590 iwlwifi_opmode_table[i].ops = NULL;
1592 /* call the stop routine for all devices */
1593 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1594 _iwl_op_mode_stop(drv);
1596 mutex_unlock(&iwlwifi_opmode_table_mtx);
1599 mutex_unlock(&iwlwifi_opmode_table_mtx);
1601 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1603 static int __init iwl_drv_init(void)
1607 mutex_init(&iwlwifi_opmode_table_mtx);
1609 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1610 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1612 pr_info(DRV_DESCRIPTION "\n");
1613 pr_info(DRV_COPYRIGHT "\n");
1615 #ifdef CONFIG_IWLWIFI_DEBUGFS
1616 /* Create the root of iwlwifi debugfs subsystem. */
1617 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1619 if (!iwl_dbgfs_root)
1623 return iwl_pci_register_driver();
1625 module_init(iwl_drv_init);
1627 static void __exit iwl_drv_exit(void)
1629 iwl_pci_unregister_driver();
1631 #ifdef CONFIG_IWLWIFI_DEBUGFS
1632 debugfs_remove_recursive(iwl_dbgfs_root);
1635 module_exit(iwl_drv_exit);
1637 #ifdef CONFIG_IWLWIFI_DEBUG
1638 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1640 MODULE_PARM_DESC(debug, "debug output mask");
1643 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1644 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1645 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1646 MODULE_PARM_DESC(11n_disable,
1647 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1648 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
1650 MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)");
1651 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1652 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1654 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1656 MODULE_PARM_DESC(antenna_coupling,
1657 "specify antenna coupling in dB (default: 0 dB)");
1659 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1660 MODULE_PARM_DESC(nvm_file, "NVM file name");
1662 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable,
1664 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)");
1666 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable,
1668 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
1670 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1671 bool, S_IRUGO | S_IWUSR);
1672 #ifdef CONFIG_IWLWIFI_UAPSD
1673 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
1675 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
1679 * set bt_coex_active to true, uCode will do kill/defer
1680 * every time the priority line is asserted (BT is sending signals on the
1681 * priority line in the PCIx).
1682 * set bt_coex_active to false, uCode will ignore the BT activity and
1683 * perform the normal operation
1685 * User might experience transmit issue on some platform due to WiFi/BT
1686 * co-exist problem. The possible behaviors are:
1687 * Able to scan and finding all the available AP
1688 * Not able to associate with any AP
1689 * On those platforms, WiFi communication can be restored by set
1690 * "bt_coex_active" module parameter to "false"
1692 * default: bt_coex_active = true (BT_COEX_ENABLE)
1694 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1696 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1698 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1699 MODULE_PARM_DESC(led_mode, "0=system default, "
1700 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1702 module_param_named(power_save, iwlwifi_mod_params.power_save,
1704 MODULE_PARM_DESC(power_save,
1705 "enable WiFi power management (default: disable)");
1707 module_param_named(power_level, iwlwifi_mod_params.power_level,
1709 MODULE_PARM_DESC(power_level,
1710 "default power save level (range from 1 - 5, default: 1)");
1712 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1713 MODULE_PARM_DESC(fw_monitor,
1714 "firmware monitor - to debug FW (default: false - needs lots of memory)");
1716 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay,
1718 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)");