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1 | /****************************************************************************** | |
2 | * | |
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. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. | |
9 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH | |
10 | * | |
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. | |
14 | * | |
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. | |
19 | * | |
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, | |
23 | * USA | |
24 | * | |
25 | * The full GNU General Public License is included in this distribution | |
26 | * in the file called COPYING. | |
27 | * | |
28 | * Contact Information: | |
29 | * Intel Linux Wireless <ilw@linux.intel.com> | |
30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
31 | * | |
32 | * BSD LICENSE | |
33 | * | |
34 | * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. | |
35 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH | |
36 | * All rights reserved. | |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * | |
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 | |
47 | * distribution. | |
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. | |
51 | * | |
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. | |
63 | * | |
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> | |
70 | ||
71 | #include "iwl-drv.h" | |
72 | #include "iwl-csr.h" | |
73 | #include "iwl-debug.h" | |
74 | #include "iwl-trans.h" | |
75 | #include "iwl-op-mode.h" | |
76 | #include "iwl-agn-hw.h" | |
77 | #include "iwl-fw.h" | |
78 | #include "iwl-config.h" | |
79 | #include "iwl-modparams.h" | |
80 | ||
81 | /****************************************************************************** | |
82 | * | |
83 | * module boiler plate | |
84 | * | |
85 | ******************************************************************************/ | |
86 | ||
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"); | |
91 | ||
92 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
93 | static struct dentry *iwl_dbgfs_root; | |
94 | #endif | |
95 | ||
96 | /** | |
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 | |
107 | */ | |
108 | struct iwl_drv { | |
109 | struct list_head list; | |
110 | struct iwl_fw fw; | |
111 | ||
112 | struct iwl_op_mode *op_mode; | |
113 | struct iwl_trans *trans; | |
114 | struct device *dev; | |
115 | const struct iwl_cfg *cfg; | |
116 | ||
117 | int fw_index; /* firmware we're trying to load */ | |
118 | char firmware_name[32]; /* name of firmware file to load */ | |
119 | ||
120 | struct completion request_firmware_complete; | |
121 | ||
122 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
123 | struct dentry *dbgfs_drv; | |
124 | struct dentry *dbgfs_trans; | |
125 | struct dentry *dbgfs_op_mode; | |
126 | #endif | |
127 | }; | |
128 | ||
129 | enum { | |
130 | DVM_OP_MODE = 0, | |
131 | MVM_OP_MODE = 1, | |
132 | }; | |
133 | ||
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 }, | |
143 | }; | |
144 | ||
145 | #define IWL_DEFAULT_SCAN_CHANNELS 40 | |
146 | ||
147 | /* | |
148 | * struct fw_sec: Just for the image parsing process. | |
149 | * For the fw storage we are using struct fw_desc. | |
150 | */ | |
151 | struct fw_sec { | |
152 | const void *data; /* the sec data */ | |
153 | size_t size; /* section size */ | |
154 | u32 offset; /* offset of writing in the device */ | |
155 | }; | |
156 | ||
157 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) | |
158 | { | |
159 | vfree(desc->data); | |
160 | desc->data = NULL; | |
161 | desc->len = 0; | |
162 | } | |
163 | ||
164 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) | |
165 | { | |
166 | int i; | |
167 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
168 | iwl_free_fw_desc(drv, &img->sec[i]); | |
169 | } | |
170 | ||
171 | static void iwl_dealloc_ucode(struct iwl_drv *drv) | |
172 | { | |
173 | int i; | |
174 | ||
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]); | |
180 | ||
181 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) | |
182 | iwl_free_fw_img(drv, drv->fw.img + i); | |
183 | } | |
184 | ||
185 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, | |
186 | struct fw_sec *sec) | |
187 | { | |
188 | void *data; | |
189 | ||
190 | desc->data = NULL; | |
191 | ||
192 | if (!sec || !sec->size) | |
193 | return -EINVAL; | |
194 | ||
195 | data = vmalloc(sec->size); | |
196 | if (!data) | |
197 | return -ENOMEM; | |
198 | ||
199 | desc->len = sec->size; | |
200 | desc->offset = sec->offset; | |
201 | memcpy(data, sec->data, desc->len); | |
202 | desc->data = data; | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
207 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, | |
208 | void *context); | |
209 | ||
210 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
211 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
212 | ||
213 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) | |
214 | { | |
215 | const char *name_pre = drv->cfg->fw_name_pre; | |
216 | char tag[8]; | |
217 | ||
218 | if (first) { | |
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) { | |
223 | #endif | |
224 | drv->fw_index = drv->cfg->ucode_api_max; | |
225 | sprintf(tag, "%d", drv->fw_index); | |
226 | } else { | |
227 | drv->fw_index--; | |
228 | sprintf(tag, "%d", drv->fw_index); | |
229 | } | |
230 | ||
231 | if (drv->fw_index < drv->cfg->ucode_api_min) { | |
232 | IWL_ERR(drv, "no suitable firmware found!\n"); | |
233 | return -ENOENT; | |
234 | } | |
235 | ||
236 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", | |
237 | name_pre, tag); | |
238 | ||
239 | /* | |
240 | * Starting 8000B - FW name format has changed. This overwrites the | |
241 | * previous name and uses the new format. | |
242 | */ | |
243 | if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { | |
244 | char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev); | |
245 | ||
246 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), | |
247 | "%s%c-%s.ucode", name_pre, rev_step, tag); | |
248 | } | |
249 | ||
250 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", | |
251 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
252 | ? "EXPERIMENTAL " : "", | |
253 | drv->firmware_name); | |
254 | ||
255 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, | |
256 | drv->trans->dev, | |
257 | GFP_KERNEL, drv, iwl_req_fw_callback); | |
258 | } | |
259 | ||
260 | struct fw_img_parsing { | |
261 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; | |
262 | int sec_counter; | |
263 | }; | |
264 | ||
265 | /* | |
266 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
267 | */ | |
268 | struct fw_sec_parsing { | |
269 | __le32 offset; | |
270 | const u8 data[]; | |
271 | } __packed; | |
272 | ||
273 | /** | |
274 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
275 | * | |
276 | * @ucode_type: the uCode to which the following default calib relates. | |
277 | * @calib: default calibrations. | |
278 | */ | |
279 | struct iwl_tlv_calib_data { | |
280 | __le32 ucode_type; | |
281 | struct iwl_tlv_calib_ctrl calib; | |
282 | } __packed; | |
283 | ||
284 | struct iwl_firmware_pieces { | |
285 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
286 | ||
287 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
288 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
289 | ||
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]; | |
296 | }; | |
297 | ||
298 | /* | |
299 | * These functions are just to extract uCode section data from the pieces | |
300 | * structure. | |
301 | */ | |
302 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
303 | enum iwl_ucode_type type, | |
304 | int sec) | |
305 | { | |
306 | return &pieces->img[type].sec[sec]; | |
307 | } | |
308 | ||
309 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
310 | enum iwl_ucode_type type, | |
311 | int sec, | |
312 | const void *data) | |
313 | { | |
314 | pieces->img[type].sec[sec].data = data; | |
315 | } | |
316 | ||
317 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
318 | enum iwl_ucode_type type, | |
319 | int sec, | |
320 | size_t size) | |
321 | { | |
322 | pieces->img[type].sec[sec].size = size; | |
323 | } | |
324 | ||
325 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
326 | enum iwl_ucode_type type, | |
327 | int sec) | |
328 | { | |
329 | return pieces->img[type].sec[sec].size; | |
330 | } | |
331 | ||
332 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
333 | enum iwl_ucode_type type, | |
334 | int sec, | |
335 | u32 offset) | |
336 | { | |
337 | pieces->img[type].sec[sec].offset = offset; | |
338 | } | |
339 | ||
340 | static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) | |
341 | { | |
342 | int i, j; | |
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; | |
346 | u32 cipher; | |
347 | ||
348 | if (len < sizeof(*l) || | |
349 | len < sizeof(l->size) + l->size * sizeof(l->cs[0])) | |
350 | return -EINVAL; | |
351 | ||
352 | for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { | |
353 | fwcs = &l->cs[j]; | |
354 | cipher = le32_to_cpu(fwcs->cipher); | |
355 | ||
356 | /* we skip schemes with zero cipher suite selector */ | |
357 | if (!cipher) | |
358 | continue; | |
359 | ||
360 | cs = &fw->cs[j++]; | |
361 | cs->cipher = cipher; | |
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; | |
370 | } | |
371 | ||
372 | return 0; | |
373 | } | |
374 | ||
375 | /* | |
376 | * Gets uCode section from tlv. | |
377 | */ | |
378 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
379 | const void *data, enum iwl_ucode_type type, | |
380 | int size) | |
381 | { | |
382 | struct fw_img_parsing *img; | |
383 | struct fw_sec *sec; | |
384 | struct fw_sec_parsing *sec_parse; | |
385 | ||
386 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
387 | return -1; | |
388 | ||
389 | sec_parse = (struct fw_sec_parsing *)data; | |
390 | ||
391 | img = &pieces->img[type]; | |
392 | sec = &img->sec[img->sec_counter]; | |
393 | ||
394 | sec->offset = le32_to_cpu(sec_parse->offset); | |
395 | sec->data = sec_parse->data; | |
396 | sec->size = size - sizeof(sec_parse->offset); | |
397 | ||
398 | ++img->sec_counter; | |
399 | ||
400 | return 0; | |
401 | } | |
402 | ||
403 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
404 | { | |
405 | struct iwl_tlv_calib_data *def_calib = | |
406 | (struct iwl_tlv_calib_data *)data; | |
407 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
408 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
409 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
410 | ucode_type); | |
411 | return -EINVAL; | |
412 | } | |
413 | drv->fw.default_calib[ucode_type].flow_trigger = | |
414 | def_calib->calib.flow_trigger; | |
415 | drv->fw.default_calib[ucode_type].event_trigger = | |
416 | def_calib->calib.event_trigger; | |
417 | ||
418 | return 0; | |
419 | } | |
420 | ||
421 | static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, | |
422 | struct iwl_ucode_capabilities *capa) | |
423 | { | |
424 | const struct iwl_ucode_api *ucode_api = (void *)data; | |
425 | u32 api_index = le32_to_cpu(ucode_api->api_index); | |
426 | u32 api_flags = le32_to_cpu(ucode_api->api_flags); | |
427 | int i; | |
428 | ||
429 | if (api_index >= IWL_API_MAX_BITS / 32) { | |
430 | IWL_ERR(drv, "api_index larger than supported by driver\n"); | |
431 | /* don't return an error so we can load FW that has more bits */ | |
432 | return 0; | |
433 | } | |
434 | ||
435 | for (i = 0; i < 32; i++) { | |
436 | if (api_flags & BIT(i)) | |
437 | __set_bit(i + 32 * api_index, capa->_api); | |
438 | } | |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, | |
444 | struct iwl_ucode_capabilities *capa) | |
445 | { | |
446 | const struct iwl_ucode_capa *ucode_capa = (void *)data; | |
447 | u32 api_index = le32_to_cpu(ucode_capa->api_index); | |
448 | u32 api_flags = le32_to_cpu(ucode_capa->api_capa); | |
449 | int i; | |
450 | ||
451 | if (api_index >= IWL_CAPABILITIES_MAX_BITS / 32) { | |
452 | IWL_ERR(drv, "api_index larger than supported by driver\n"); | |
453 | /* don't return an error so we can load FW that has more bits */ | |
454 | return 0; | |
455 | } | |
456 | ||
457 | for (i = 0; i < 32; i++) { | |
458 | if (api_flags & BIT(i)) | |
459 | __set_bit(i + 32 * api_index, capa->_capa); | |
460 | } | |
461 | ||
462 | return 0; | |
463 | } | |
464 | ||
465 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, | |
466 | const struct firmware *ucode_raw, | |
467 | struct iwl_firmware_pieces *pieces) | |
468 | { | |
469 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
470 | u32 api_ver, hdr_size, build; | |
471 | char buildstr[25]; | |
472 | const u8 *src; | |
473 | ||
474 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); | |
475 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
476 | ||
477 | switch (api_ver) { | |
478 | default: | |
479 | hdr_size = 28; | |
480 | if (ucode_raw->size < hdr_size) { | |
481 | IWL_ERR(drv, "File size too small!\n"); | |
482 | return -EINVAL; | |
483 | } | |
484 | build = le32_to_cpu(ucode->u.v2.build); | |
485 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
486 | le32_to_cpu(ucode->u.v2.inst_size)); | |
487 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
488 | le32_to_cpu(ucode->u.v2.data_size)); | |
489 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
490 | le32_to_cpu(ucode->u.v2.init_size)); | |
491 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
492 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
493 | src = ucode->u.v2.data; | |
494 | break; | |
495 | case 0: | |
496 | case 1: | |
497 | case 2: | |
498 | hdr_size = 24; | |
499 | if (ucode_raw->size < hdr_size) { | |
500 | IWL_ERR(drv, "File size too small!\n"); | |
501 | return -EINVAL; | |
502 | } | |
503 | build = 0; | |
504 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
505 | le32_to_cpu(ucode->u.v1.inst_size)); | |
506 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
507 | le32_to_cpu(ucode->u.v1.data_size)); | |
508 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
509 | le32_to_cpu(ucode->u.v1.init_size)); | |
510 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
511 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
512 | src = ucode->u.v1.data; | |
513 | break; | |
514 | } | |
515 | ||
516 | if (build) | |
517 | sprintf(buildstr, " build %u%s", build, | |
518 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
519 | ? " (EXP)" : ""); | |
520 | else | |
521 | buildstr[0] = '\0'; | |
522 | ||
523 | snprintf(drv->fw.fw_version, | |
524 | sizeof(drv->fw.fw_version), | |
525 | "%u.%u.%u.%u%s", | |
526 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), | |
527 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
528 | IWL_UCODE_API(drv->fw.ucode_ver), | |
529 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
530 | buildstr); | |
531 | ||
532 | /* Verify size of file vs. image size info in file's header */ | |
533 | ||
534 | if (ucode_raw->size != hdr_size + | |
535 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
536 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
537 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
538 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
539 | ||
540 | IWL_ERR(drv, | |
541 | "uCode file size %d does not match expected size\n", | |
542 | (int)ucode_raw->size); | |
543 | return -EINVAL; | |
544 | } | |
545 | ||
546 | ||
547 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); | |
548 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
549 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
550 | IWLAGN_RTC_INST_LOWER_BOUND); | |
551 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
552 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
553 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
554 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
555 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
556 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
557 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
558 | IWLAGN_RTC_INST_LOWER_BOUND); | |
559 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
560 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
561 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
562 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
563 | return 0; | |
564 | } | |
565 | ||
566 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, | |
567 | const struct firmware *ucode_raw, | |
568 | struct iwl_firmware_pieces *pieces, | |
569 | struct iwl_ucode_capabilities *capa) | |
570 | { | |
571 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
572 | struct iwl_ucode_tlv *tlv; | |
573 | size_t len = ucode_raw->size; | |
574 | const u8 *data; | |
575 | u32 tlv_len; | |
576 | u32 usniffer_img; | |
577 | enum iwl_ucode_tlv_type tlv_type; | |
578 | const u8 *tlv_data; | |
579 | char buildstr[25]; | |
580 | u32 build, paging_mem_size; | |
581 | int num_of_cpus; | |
582 | bool usniffer_images = false; | |
583 | bool usniffer_req = false; | |
584 | ||
585 | if (len < sizeof(*ucode)) { | |
586 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); | |
587 | return -EINVAL; | |
588 | } | |
589 | ||
590 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
591 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", | |
592 | le32_to_cpu(ucode->magic)); | |
593 | return -EINVAL; | |
594 | } | |
595 | ||
596 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); | |
597 | memcpy(drv->fw.human_readable, ucode->human_readable, | |
598 | sizeof(drv->fw.human_readable)); | |
599 | build = le32_to_cpu(ucode->build); | |
600 | ||
601 | if (build) | |
602 | sprintf(buildstr, " build %u%s", build, | |
603 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
604 | ? " (EXP)" : ""); | |
605 | else | |
606 | buildstr[0] = '\0'; | |
607 | ||
608 | snprintf(drv->fw.fw_version, | |
609 | sizeof(drv->fw.fw_version), | |
610 | "%u.%u.%u.%u%s", | |
611 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), | |
612 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
613 | IWL_UCODE_API(drv->fw.ucode_ver), | |
614 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
615 | buildstr); | |
616 | ||
617 | data = ucode->data; | |
618 | ||
619 | len -= sizeof(*ucode); | |
620 | ||
621 | while (len >= sizeof(*tlv)) { | |
622 | len -= sizeof(*tlv); | |
623 | tlv = (void *)data; | |
624 | ||
625 | tlv_len = le32_to_cpu(tlv->length); | |
626 | tlv_type = le32_to_cpu(tlv->type); | |
627 | tlv_data = tlv->data; | |
628 | ||
629 | if (len < tlv_len) { | |
630 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", | |
631 | len, tlv_len); | |
632 | return -EINVAL; | |
633 | } | |
634 | len -= ALIGN(tlv_len, 4); | |
635 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
636 | ||
637 | switch (tlv_type) { | |
638 | case IWL_UCODE_TLV_INST: | |
639 | set_sec_data(pieces, IWL_UCODE_REGULAR, | |
640 | IWL_UCODE_SECTION_INST, tlv_data); | |
641 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
642 | IWL_UCODE_SECTION_INST, tlv_len); | |
643 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
644 | IWL_UCODE_SECTION_INST, | |
645 | IWLAGN_RTC_INST_LOWER_BOUND); | |
646 | break; | |
647 | case IWL_UCODE_TLV_DATA: | |
648 | set_sec_data(pieces, IWL_UCODE_REGULAR, | |
649 | IWL_UCODE_SECTION_DATA, tlv_data); | |
650 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
651 | IWL_UCODE_SECTION_DATA, tlv_len); | |
652 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
653 | IWL_UCODE_SECTION_DATA, | |
654 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
655 | break; | |
656 | case IWL_UCODE_TLV_INIT: | |
657 | set_sec_data(pieces, IWL_UCODE_INIT, | |
658 | IWL_UCODE_SECTION_INST, tlv_data); | |
659 | set_sec_size(pieces, IWL_UCODE_INIT, | |
660 | IWL_UCODE_SECTION_INST, tlv_len); | |
661 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
662 | IWL_UCODE_SECTION_INST, | |
663 | IWLAGN_RTC_INST_LOWER_BOUND); | |
664 | break; | |
665 | case IWL_UCODE_TLV_INIT_DATA: | |
666 | set_sec_data(pieces, IWL_UCODE_INIT, | |
667 | IWL_UCODE_SECTION_DATA, tlv_data); | |
668 | set_sec_size(pieces, IWL_UCODE_INIT, | |
669 | IWL_UCODE_SECTION_DATA, tlv_len); | |
670 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
671 | IWL_UCODE_SECTION_DATA, | |
672 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
673 | break; | |
674 | case IWL_UCODE_TLV_BOOT: | |
675 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); | |
676 | break; | |
677 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
678 | if (tlv_len != sizeof(u32)) | |
679 | goto invalid_tlv_len; | |
680 | capa->max_probe_length = | |
681 | le32_to_cpup((__le32 *)tlv_data); | |
682 | break; | |
683 | case IWL_UCODE_TLV_PAN: | |
684 | if (tlv_len) | |
685 | goto invalid_tlv_len; | |
686 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
687 | break; | |
688 | case IWL_UCODE_TLV_FLAGS: | |
689 | /* must be at least one u32 */ | |
690 | if (tlv_len < sizeof(u32)) | |
691 | goto invalid_tlv_len; | |
692 | /* and a proper number of u32s */ | |
693 | if (tlv_len % sizeof(u32)) | |
694 | goto invalid_tlv_len; | |
695 | /* | |
696 | * This driver only reads the first u32 as | |
697 | * right now no more features are defined, | |
698 | * if that changes then either the driver | |
699 | * will not work with the new firmware, or | |
700 | * it'll not take advantage of new features. | |
701 | */ | |
702 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
703 | break; | |
704 | case IWL_UCODE_TLV_API_CHANGES_SET: | |
705 | if (tlv_len != sizeof(struct iwl_ucode_api)) | |
706 | goto invalid_tlv_len; | |
707 | if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) | |
708 | goto tlv_error; | |
709 | break; | |
710 | case IWL_UCODE_TLV_ENABLED_CAPABILITIES: | |
711 | if (tlv_len != sizeof(struct iwl_ucode_capa)) | |
712 | goto invalid_tlv_len; | |
713 | if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) | |
714 | goto tlv_error; | |
715 | break; | |
716 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: | |
717 | if (tlv_len != sizeof(u32)) | |
718 | goto invalid_tlv_len; | |
719 | pieces->init_evtlog_ptr = | |
720 | le32_to_cpup((__le32 *)tlv_data); | |
721 | break; | |
722 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
723 | if (tlv_len != sizeof(u32)) | |
724 | goto invalid_tlv_len; | |
725 | pieces->init_evtlog_size = | |
726 | le32_to_cpup((__le32 *)tlv_data); | |
727 | break; | |
728 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
729 | if (tlv_len != sizeof(u32)) | |
730 | goto invalid_tlv_len; | |
731 | pieces->init_errlog_ptr = | |
732 | le32_to_cpup((__le32 *)tlv_data); | |
733 | break; | |
734 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
735 | if (tlv_len != sizeof(u32)) | |
736 | goto invalid_tlv_len; | |
737 | pieces->inst_evtlog_ptr = | |
738 | le32_to_cpup((__le32 *)tlv_data); | |
739 | break; | |
740 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
741 | if (tlv_len != sizeof(u32)) | |
742 | goto invalid_tlv_len; | |
743 | pieces->inst_evtlog_size = | |
744 | le32_to_cpup((__le32 *)tlv_data); | |
745 | break; | |
746 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
747 | if (tlv_len != sizeof(u32)) | |
748 | goto invalid_tlv_len; | |
749 | pieces->inst_errlog_ptr = | |
750 | le32_to_cpup((__le32 *)tlv_data); | |
751 | break; | |
752 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
753 | if (tlv_len) | |
754 | goto invalid_tlv_len; | |
755 | drv->fw.enhance_sensitivity_table = true; | |
756 | break; | |
757 | case IWL_UCODE_TLV_WOWLAN_INST: | |
758 | set_sec_data(pieces, IWL_UCODE_WOWLAN, | |
759 | IWL_UCODE_SECTION_INST, tlv_data); | |
760 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
761 | IWL_UCODE_SECTION_INST, tlv_len); | |
762 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
763 | IWL_UCODE_SECTION_INST, | |
764 | IWLAGN_RTC_INST_LOWER_BOUND); | |
765 | break; | |
766 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
767 | set_sec_data(pieces, IWL_UCODE_WOWLAN, | |
768 | IWL_UCODE_SECTION_DATA, tlv_data); | |
769 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
770 | IWL_UCODE_SECTION_DATA, tlv_len); | |
771 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
772 | IWL_UCODE_SECTION_DATA, | |
773 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
774 | break; | |
775 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
776 | if (tlv_len != sizeof(u32)) | |
777 | goto invalid_tlv_len; | |
778 | capa->standard_phy_calibration_size = | |
779 | le32_to_cpup((__le32 *)tlv_data); | |
780 | break; | |
781 | case IWL_UCODE_TLV_SEC_RT: | |
782 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
783 | tlv_len); | |
784 | drv->fw.mvm_fw = true; | |
785 | break; | |
786 | case IWL_UCODE_TLV_SEC_INIT: | |
787 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
788 | tlv_len); | |
789 | drv->fw.mvm_fw = true; | |
790 | break; | |
791 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
792 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
793 | tlv_len); | |
794 | drv->fw.mvm_fw = true; | |
795 | break; | |
796 | case IWL_UCODE_TLV_DEF_CALIB: | |
797 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
798 | goto invalid_tlv_len; | |
799 | if (iwl_set_default_calib(drv, tlv_data)) | |
800 | goto tlv_error; | |
801 | break; | |
802 | case IWL_UCODE_TLV_PHY_SKU: | |
803 | if (tlv_len != sizeof(u32)) | |
804 | goto invalid_tlv_len; | |
805 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
806 | drv->fw.valid_tx_ant = (drv->fw.phy_config & | |
807 | FW_PHY_CFG_TX_CHAIN) >> | |
808 | FW_PHY_CFG_TX_CHAIN_POS; | |
809 | drv->fw.valid_rx_ant = (drv->fw.phy_config & | |
810 | FW_PHY_CFG_RX_CHAIN) >> | |
811 | FW_PHY_CFG_RX_CHAIN_POS; | |
812 | break; | |
813 | case IWL_UCODE_TLV_SECURE_SEC_RT: | |
814 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
815 | tlv_len); | |
816 | drv->fw.mvm_fw = true; | |
817 | break; | |
818 | case IWL_UCODE_TLV_SECURE_SEC_INIT: | |
819 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
820 | tlv_len); | |
821 | drv->fw.mvm_fw = true; | |
822 | break; | |
823 | case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: | |
824 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
825 | tlv_len); | |
826 | drv->fw.mvm_fw = true; | |
827 | break; | |
828 | case IWL_UCODE_TLV_NUM_OF_CPU: | |
829 | if (tlv_len != sizeof(u32)) | |
830 | goto invalid_tlv_len; | |
831 | num_of_cpus = | |
832 | le32_to_cpup((__le32 *)tlv_data); | |
833 | ||
834 | if (num_of_cpus == 2) { | |
835 | drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = | |
836 | true; | |
837 | drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = | |
838 | true; | |
839 | drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = | |
840 | true; | |
841 | } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { | |
842 | IWL_ERR(drv, "Driver support upto 2 CPUs\n"); | |
843 | return -EINVAL; | |
844 | } | |
845 | break; | |
846 | case IWL_UCODE_TLV_CSCHEME: | |
847 | if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) | |
848 | goto invalid_tlv_len; | |
849 | break; | |
850 | case IWL_UCODE_TLV_N_SCAN_CHANNELS: | |
851 | if (tlv_len != sizeof(u32)) | |
852 | goto invalid_tlv_len; | |
853 | capa->n_scan_channels = | |
854 | le32_to_cpup((__le32 *)tlv_data); | |
855 | break; | |
856 | case IWL_UCODE_TLV_FW_VERSION: { | |
857 | __le32 *ptr = (void *)tlv_data; | |
858 | u32 major, minor; | |
859 | u8 local_comp; | |
860 | ||
861 | if (tlv_len != sizeof(u32) * 3) | |
862 | goto invalid_tlv_len; | |
863 | ||
864 | major = le32_to_cpup(ptr++); | |
865 | minor = le32_to_cpup(ptr++); | |
866 | local_comp = le32_to_cpup(ptr); | |
867 | ||
868 | snprintf(drv->fw.fw_version, | |
869 | sizeof(drv->fw.fw_version), "%u.%u.%u", | |
870 | major, minor, local_comp); | |
871 | break; | |
872 | } | |
873 | case IWL_UCODE_TLV_FW_DBG_DEST: { | |
874 | struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; | |
875 | ||
876 | if (pieces->dbg_dest_tlv) { | |
877 | IWL_ERR(drv, | |
878 | "dbg destination ignored, already exists\n"); | |
879 | break; | |
880 | } | |
881 | ||
882 | pieces->dbg_dest_tlv = dest; | |
883 | IWL_INFO(drv, "Found debug destination: %s\n", | |
884 | get_fw_dbg_mode_string(dest->monitor_mode)); | |
885 | ||
886 | drv->fw.dbg_dest_reg_num = | |
887 | tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, | |
888 | reg_ops); | |
889 | drv->fw.dbg_dest_reg_num /= | |
890 | sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); | |
891 | ||
892 | break; | |
893 | } | |
894 | case IWL_UCODE_TLV_FW_DBG_CONF: { | |
895 | struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; | |
896 | ||
897 | if (!pieces->dbg_dest_tlv) { | |
898 | IWL_ERR(drv, | |
899 | "Ignore dbg config %d - no destination configured\n", | |
900 | conf->id); | |
901 | break; | |
902 | } | |
903 | ||
904 | if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { | |
905 | IWL_ERR(drv, | |
906 | "Skip unknown configuration: %d\n", | |
907 | conf->id); | |
908 | break; | |
909 | } | |
910 | ||
911 | if (pieces->dbg_conf_tlv[conf->id]) { | |
912 | IWL_ERR(drv, | |
913 | "Ignore duplicate dbg config %d\n", | |
914 | conf->id); | |
915 | break; | |
916 | } | |
917 | ||
918 | if (conf->usniffer) | |
919 | usniffer_req = true; | |
920 | ||
921 | IWL_INFO(drv, "Found debug configuration: %d\n", | |
922 | conf->id); | |
923 | ||
924 | pieces->dbg_conf_tlv[conf->id] = conf; | |
925 | pieces->dbg_conf_tlv_len[conf->id] = tlv_len; | |
926 | break; | |
927 | } | |
928 | case IWL_UCODE_TLV_FW_DBG_TRIGGER: { | |
929 | struct iwl_fw_dbg_trigger_tlv *trigger = | |
930 | (void *)tlv_data; | |
931 | u32 trigger_id = le32_to_cpu(trigger->id); | |
932 | ||
933 | if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { | |
934 | IWL_ERR(drv, | |
935 | "Skip unknown trigger: %u\n", | |
936 | trigger->id); | |
937 | break; | |
938 | } | |
939 | ||
940 | if (pieces->dbg_trigger_tlv[trigger_id]) { | |
941 | IWL_ERR(drv, | |
942 | "Ignore duplicate dbg trigger %u\n", | |
943 | trigger->id); | |
944 | break; | |
945 | } | |
946 | ||
947 | IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); | |
948 | ||
949 | pieces->dbg_trigger_tlv[trigger_id] = trigger; | |
950 | pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; | |
951 | break; | |
952 | } | |
953 | case IWL_UCODE_TLV_SEC_RT_USNIFFER: | |
954 | usniffer_images = true; | |
955 | iwl_store_ucode_sec(pieces, tlv_data, | |
956 | IWL_UCODE_REGULAR_USNIFFER, | |
957 | tlv_len); | |
958 | break; | |
959 | case IWL_UCODE_TLV_PAGING: | |
960 | if (tlv_len != sizeof(u32)) | |
961 | goto invalid_tlv_len; | |
962 | paging_mem_size = le32_to_cpup((__le32 *)tlv_data); | |
963 | ||
964 | IWL_DEBUG_FW(drv, | |
965 | "Paging: paging enabled (size = %u bytes)\n", | |
966 | paging_mem_size); | |
967 | ||
968 | if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { | |
969 | IWL_ERR(drv, | |
970 | "Paging: driver supports up to %lu bytes for paging image\n", | |
971 | MAX_PAGING_IMAGE_SIZE); | |
972 | return -EINVAL; | |
973 | } | |
974 | ||
975 | if (paging_mem_size & (FW_PAGING_SIZE - 1)) { | |
976 | IWL_ERR(drv, | |
977 | "Paging: image isn't multiple %lu\n", | |
978 | FW_PAGING_SIZE); | |
979 | return -EINVAL; | |
980 | } | |
981 | ||
982 | drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = | |
983 | paging_mem_size; | |
984 | usniffer_img = IWL_UCODE_REGULAR_USNIFFER; | |
985 | drv->fw.img[usniffer_img].paging_mem_size = | |
986 | paging_mem_size; | |
987 | break; | |
988 | case IWL_UCODE_TLV_SDIO_ADMA_ADDR: | |
989 | if (tlv_len != sizeof(u32)) | |
990 | goto invalid_tlv_len; | |
991 | drv->fw.sdio_adma_addr = | |
992 | le32_to_cpup((__le32 *)tlv_data); | |
993 | break; | |
994 | default: | |
995 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); | |
996 | break; | |
997 | } | |
998 | } | |
999 | ||
1000 | if (usniffer_req && !usniffer_images) { | |
1001 | IWL_ERR(drv, | |
1002 | "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); | |
1003 | return -EINVAL; | |
1004 | } | |
1005 | ||
1006 | if (len) { | |
1007 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); | |
1008 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
1009 | return -EINVAL; | |
1010 | } | |
1011 | ||
1012 | return 0; | |
1013 | ||
1014 | invalid_tlv_len: | |
1015 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); | |
1016 | tlv_error: | |
1017 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); | |
1018 | ||
1019 | return -EINVAL; | |
1020 | } | |
1021 | ||
1022 | static int iwl_alloc_ucode(struct iwl_drv *drv, | |
1023 | struct iwl_firmware_pieces *pieces, | |
1024 | enum iwl_ucode_type type) | |
1025 | { | |
1026 | int i; | |
1027 | for (i = 0; | |
1028 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
1029 | i++) | |
1030 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
1031 | get_sec(pieces, type, i))) | |
1032 | return -ENOMEM; | |
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | static int validate_sec_sizes(struct iwl_drv *drv, | |
1037 | struct iwl_firmware_pieces *pieces, | |
1038 | const struct iwl_cfg *cfg) | |
1039 | { | |
1040 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
1041 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1042 | IWL_UCODE_SECTION_INST)); | |
1043 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
1044 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1045 | IWL_UCODE_SECTION_DATA)); | |
1046 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
1047 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
1048 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
1049 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
1050 | ||
1051 | /* Verify that uCode images will fit in card's SRAM. */ | |
1052 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
1053 | cfg->max_inst_size) { | |
1054 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", | |
1055 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1056 | IWL_UCODE_SECTION_INST)); | |
1057 | return -1; | |
1058 | } | |
1059 | ||
1060 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
1061 | cfg->max_data_size) { | |
1062 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", | |
1063 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1064 | IWL_UCODE_SECTION_DATA)); | |
1065 | return -1; | |
1066 | } | |
1067 | ||
1068 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > | |
1069 | cfg->max_inst_size) { | |
1070 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", | |
1071 | get_sec_size(pieces, IWL_UCODE_INIT, | |
1072 | IWL_UCODE_SECTION_INST)); | |
1073 | return -1; | |
1074 | } | |
1075 | ||
1076 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
1077 | cfg->max_data_size) { | |
1078 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", | |
1079 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1080 | IWL_UCODE_SECTION_DATA)); | |
1081 | return -1; | |
1082 | } | |
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | static struct iwl_op_mode * | |
1087 | _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) | |
1088 | { | |
1089 | const struct iwl_op_mode_ops *ops = op->ops; | |
1090 | struct dentry *dbgfs_dir = NULL; | |
1091 | struct iwl_op_mode *op_mode = NULL; | |
1092 | ||
1093 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1094 | drv->dbgfs_op_mode = debugfs_create_dir(op->name, | |
1095 | drv->dbgfs_drv); | |
1096 | if (!drv->dbgfs_op_mode) { | |
1097 | IWL_ERR(drv, | |
1098 | "failed to create opmode debugfs directory\n"); | |
1099 | return op_mode; | |
1100 | } | |
1101 | dbgfs_dir = drv->dbgfs_op_mode; | |
1102 | #endif | |
1103 | ||
1104 | op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir); | |
1105 | ||
1106 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1107 | if (!op_mode) { | |
1108 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1109 | drv->dbgfs_op_mode = NULL; | |
1110 | } | |
1111 | #endif | |
1112 | ||
1113 | return op_mode; | |
1114 | } | |
1115 | ||
1116 | static void _iwl_op_mode_stop(struct iwl_drv *drv) | |
1117 | { | |
1118 | /* op_mode can be NULL if its start failed */ | |
1119 | if (drv->op_mode) { | |
1120 | iwl_op_mode_stop(drv->op_mode); | |
1121 | drv->op_mode = NULL; | |
1122 | ||
1123 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1124 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1125 | drv->dbgfs_op_mode = NULL; | |
1126 | #endif | |
1127 | } | |
1128 | } | |
1129 | ||
1130 | /** | |
1131 | * iwl_req_fw_callback - callback when firmware was loaded | |
1132 | * | |
1133 | * If loaded successfully, copies the firmware into buffers | |
1134 | * for the card to fetch (via DMA). | |
1135 | */ | |
1136 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) | |
1137 | { | |
1138 | struct iwl_drv *drv = context; | |
1139 | struct iwl_fw *fw = &drv->fw; | |
1140 | struct iwl_ucode_header *ucode; | |
1141 | struct iwlwifi_opmode_table *op; | |
1142 | int err; | |
1143 | struct iwl_firmware_pieces *pieces; | |
1144 | const unsigned int api_max = drv->cfg->ucode_api_max; | |
1145 | unsigned int api_ok = drv->cfg->ucode_api_ok; | |
1146 | const unsigned int api_min = drv->cfg->ucode_api_min; | |
1147 | size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; | |
1148 | u32 api_ver; | |
1149 | int i; | |
1150 | bool load_module = false; | |
1151 | ||
1152 | fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; | |
1153 | fw->ucode_capa.standard_phy_calibration_size = | |
1154 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1155 | fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; | |
1156 | ||
1157 | if (!api_ok) | |
1158 | api_ok = api_max; | |
1159 | ||
1160 | pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); | |
1161 | if (!pieces) | |
1162 | return; | |
1163 | ||
1164 | if (!ucode_raw) { | |
1165 | if (drv->fw_index <= api_ok) | |
1166 | IWL_ERR(drv, | |
1167 | "request for firmware file '%s' failed.\n", | |
1168 | drv->firmware_name); | |
1169 | goto try_again; | |
1170 | } | |
1171 | ||
1172 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", | |
1173 | drv->firmware_name, ucode_raw->size); | |
1174 | ||
1175 | /* Make sure that we got at least the API version number */ | |
1176 | if (ucode_raw->size < 4) { | |
1177 | IWL_ERR(drv, "File size way too small!\n"); | |
1178 | goto try_again; | |
1179 | } | |
1180 | ||
1181 | /* Data from ucode file: header followed by uCode images */ | |
1182 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
1183 | ||
1184 | if (ucode->ver) | |
1185 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); | |
1186 | else | |
1187 | err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, | |
1188 | &fw->ucode_capa); | |
1189 | ||
1190 | if (err) | |
1191 | goto try_again; | |
1192 | ||
1193 | if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) | |
1194 | api_ver = drv->fw.ucode_ver; | |
1195 | else | |
1196 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
1197 | ||
1198 | /* | |
1199 | * api_ver should match the api version forming part of the | |
1200 | * firmware filename ... but we don't check for that and only rely | |
1201 | * on the API version read from firmware header from here on forward | |
1202 | */ | |
1203 | /* no api version check required for experimental uCode */ | |
1204 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { | |
1205 | if (api_ver < api_min || api_ver > api_max) { | |
1206 | IWL_ERR(drv, | |
1207 | "Driver unable to support your firmware API. " | |
1208 | "Driver supports v%u, firmware is v%u.\n", | |
1209 | api_max, api_ver); | |
1210 | goto try_again; | |
1211 | } | |
1212 | ||
1213 | if (api_ver < api_ok) { | |
1214 | if (api_ok != api_max) | |
1215 | IWL_ERR(drv, "Firmware has old API version, " | |
1216 | "expected v%u through v%u, got v%u.\n", | |
1217 | api_ok, api_max, api_ver); | |
1218 | else | |
1219 | IWL_ERR(drv, "Firmware has old API version, " | |
1220 | "expected v%u, got v%u.\n", | |
1221 | api_max, api_ver); | |
1222 | IWL_ERR(drv, "New firmware can be obtained from " | |
1223 | "http://www.intellinuxwireless.org/.\n"); | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | /* | |
1228 | * In mvm uCode there is no difference between data and instructions | |
1229 | * sections. | |
1230 | */ | |
1231 | if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg)) | |
1232 | goto try_again; | |
1233 | ||
1234 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
1235 | ||
1236 | /* Runtime instructions and 2 copies of data: | |
1237 | * 1) unmodified from disk | |
1238 | * 2) backup cache for save/restore during power-downs */ | |
1239 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) | |
1240 | if (iwl_alloc_ucode(drv, pieces, i)) | |
1241 | goto out_free_fw; | |
1242 | ||
1243 | if (pieces->dbg_dest_tlv) { | |
1244 | drv->fw.dbg_dest_tlv = | |
1245 | kmemdup(pieces->dbg_dest_tlv, | |
1246 | sizeof(*pieces->dbg_dest_tlv) + | |
1247 | sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * | |
1248 | drv->fw.dbg_dest_reg_num, GFP_KERNEL); | |
1249 | ||
1250 | if (!drv->fw.dbg_dest_tlv) | |
1251 | goto out_free_fw; | |
1252 | } | |
1253 | ||
1254 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { | |
1255 | if (pieces->dbg_conf_tlv[i]) { | |
1256 | drv->fw.dbg_conf_tlv_len[i] = | |
1257 | pieces->dbg_conf_tlv_len[i]; | |
1258 | drv->fw.dbg_conf_tlv[i] = | |
1259 | kmemdup(pieces->dbg_conf_tlv[i], | |
1260 | drv->fw.dbg_conf_tlv_len[i], | |
1261 | GFP_KERNEL); | |
1262 | if (!drv->fw.dbg_conf_tlv[i]) | |
1263 | goto out_free_fw; | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); | |
1268 | ||
1269 | trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = | |
1270 | sizeof(struct iwl_fw_dbg_trigger_missed_bcon); | |
1271 | trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; | |
1272 | trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = | |
1273 | sizeof(struct iwl_fw_dbg_trigger_cmd); | |
1274 | trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = | |
1275 | sizeof(struct iwl_fw_dbg_trigger_mlme); | |
1276 | trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = | |
1277 | sizeof(struct iwl_fw_dbg_trigger_stats); | |
1278 | trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = | |
1279 | sizeof(struct iwl_fw_dbg_trigger_low_rssi); | |
1280 | trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = | |
1281 | sizeof(struct iwl_fw_dbg_trigger_txq_timer); | |
1282 | trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = | |
1283 | sizeof(struct iwl_fw_dbg_trigger_time_event); | |
1284 | trigger_tlv_sz[FW_DBG_TRIGGER_BA] = | |
1285 | sizeof(struct iwl_fw_dbg_trigger_ba); | |
1286 | ||
1287 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { | |
1288 | if (pieces->dbg_trigger_tlv[i]) { | |
1289 | /* | |
1290 | * If the trigger isn't long enough, WARN and exit. | |
1291 | * Someone is trying to debug something and he won't | |
1292 | * be able to catch the bug he is trying to chase. | |
1293 | * We'd better be noisy to be sure he knows what's | |
1294 | * going on. | |
1295 | */ | |
1296 | if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < | |
1297 | (trigger_tlv_sz[i] + | |
1298 | sizeof(struct iwl_fw_dbg_trigger_tlv)))) | |
1299 | goto out_free_fw; | |
1300 | drv->fw.dbg_trigger_tlv_len[i] = | |
1301 | pieces->dbg_trigger_tlv_len[i]; | |
1302 | drv->fw.dbg_trigger_tlv[i] = | |
1303 | kmemdup(pieces->dbg_trigger_tlv[i], | |
1304 | drv->fw.dbg_trigger_tlv_len[i], | |
1305 | GFP_KERNEL); | |
1306 | if (!drv->fw.dbg_trigger_tlv[i]) | |
1307 | goto out_free_fw; | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | /* Now that we can no longer fail, copy information */ | |
1312 | ||
1313 | /* | |
1314 | * The (size - 16) / 12 formula is based on the information recorded | |
1315 | * for each event, which is of mode 1 (including timestamp) for all | |
1316 | * new microcodes that include this information. | |
1317 | */ | |
1318 | fw->init_evtlog_ptr = pieces->init_evtlog_ptr; | |
1319 | if (pieces->init_evtlog_size) | |
1320 | fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; | |
1321 | else | |
1322 | fw->init_evtlog_size = | |
1323 | drv->cfg->base_params->max_event_log_size; | |
1324 | fw->init_errlog_ptr = pieces->init_errlog_ptr; | |
1325 | fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; | |
1326 | if (pieces->inst_evtlog_size) | |
1327 | fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; | |
1328 | else | |
1329 | fw->inst_evtlog_size = | |
1330 | drv->cfg->base_params->max_event_log_size; | |
1331 | fw->inst_errlog_ptr = pieces->inst_errlog_ptr; | |
1332 | ||
1333 | /* | |
1334 | * figure out the offset of chain noise reset and gain commands | |
1335 | * base on the size of standard phy calibration commands table size | |
1336 | */ | |
1337 | if (fw->ucode_capa.standard_phy_calibration_size > | |
1338 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
1339 | fw->ucode_capa.standard_phy_calibration_size = | |
1340 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1341 | ||
1342 | /* We have our copies now, allow OS release its copies */ | |
1343 | release_firmware(ucode_raw); | |
1344 | ||
1345 | mutex_lock(&iwlwifi_opmode_table_mtx); | |
1346 | if (fw->mvm_fw) | |
1347 | op = &iwlwifi_opmode_table[MVM_OP_MODE]; | |
1348 | else | |
1349 | op = &iwlwifi_opmode_table[DVM_OP_MODE]; | |
1350 | ||
1351 | IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", | |
1352 | drv->fw.fw_version, op->name); | |
1353 | ||
1354 | /* add this device to the list of devices using this op_mode */ | |
1355 | list_add_tail(&drv->list, &op->drv); | |
1356 | ||
1357 | if (op->ops) { | |
1358 | drv->op_mode = _iwl_op_mode_start(drv, op); | |
1359 | ||
1360 | if (!drv->op_mode) { | |
1361 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1362 | goto out_unbind; | |
1363 | } | |
1364 | } else { | |
1365 | load_module = true; | |
1366 | } | |
1367 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1368 | ||
1369 | /* | |
1370 | * Complete the firmware request last so that | |
1371 | * a driver unbind (stop) doesn't run while we | |
1372 | * are doing the start() above. | |
1373 | */ | |
1374 | complete(&drv->request_firmware_complete); | |
1375 | ||
1376 | /* | |
1377 | * Load the module last so we don't block anything | |
1378 | * else from proceeding if the module fails to load | |
1379 | * or hangs loading. | |
1380 | */ | |
1381 | if (load_module) { | |
1382 | err = request_module("%s", op->name); | |
1383 | #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR | |
1384 | if (err) | |
1385 | IWL_ERR(drv, | |
1386 | "failed to load module %s (error %d), is dynamic loading enabled?\n", | |
1387 | op->name, err); | |
1388 | #endif | |
1389 | } | |
1390 | kfree(pieces); | |
1391 | return; | |
1392 | ||
1393 | try_again: | |
1394 | /* try next, if any */ | |
1395 | release_firmware(ucode_raw); | |
1396 | if (iwl_request_firmware(drv, false)) | |
1397 | goto out_unbind; | |
1398 | kfree(pieces); | |
1399 | return; | |
1400 | ||
1401 | out_free_fw: | |
1402 | IWL_ERR(drv, "failed to allocate pci memory\n"); | |
1403 | iwl_dealloc_ucode(drv); | |
1404 | release_firmware(ucode_raw); | |
1405 | out_unbind: | |
1406 | kfree(pieces); | |
1407 | complete(&drv->request_firmware_complete); | |
1408 | device_release_driver(drv->trans->dev); | |
1409 | } | |
1410 | ||
1411 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, | |
1412 | const struct iwl_cfg *cfg) | |
1413 | { | |
1414 | struct iwl_drv *drv; | |
1415 | int ret; | |
1416 | ||
1417 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); | |
1418 | if (!drv) { | |
1419 | ret = -ENOMEM; | |
1420 | goto err; | |
1421 | } | |
1422 | ||
1423 | drv->trans = trans; | |
1424 | drv->dev = trans->dev; | |
1425 | drv->cfg = cfg; | |
1426 | ||
1427 | init_completion(&drv->request_firmware_complete); | |
1428 | INIT_LIST_HEAD(&drv->list); | |
1429 | ||
1430 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1431 | /* Create the device debugfs entries. */ | |
1432 | drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), | |
1433 | iwl_dbgfs_root); | |
1434 | ||
1435 | if (!drv->dbgfs_drv) { | |
1436 | IWL_ERR(drv, "failed to create debugfs directory\n"); | |
1437 | ret = -ENOMEM; | |
1438 | goto err_free_drv; | |
1439 | } | |
1440 | ||
1441 | /* Create transport layer debugfs dir */ | |
1442 | drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); | |
1443 | ||
1444 | if (!drv->trans->dbgfs_dir) { | |
1445 | IWL_ERR(drv, "failed to create transport debugfs directory\n"); | |
1446 | ret = -ENOMEM; | |
1447 | goto err_free_dbgfs; | |
1448 | } | |
1449 | #endif | |
1450 | ||
1451 | ret = iwl_request_firmware(drv, true); | |
1452 | if (ret) { | |
1453 | IWL_ERR(trans, "Couldn't request the fw\n"); | |
1454 | goto err_fw; | |
1455 | } | |
1456 | ||
1457 | return drv; | |
1458 | ||
1459 | err_fw: | |
1460 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1461 | err_free_dbgfs: | |
1462 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1463 | err_free_drv: | |
1464 | #endif | |
1465 | kfree(drv); | |
1466 | err: | |
1467 | return ERR_PTR(ret); | |
1468 | } | |
1469 | ||
1470 | void iwl_drv_stop(struct iwl_drv *drv) | |
1471 | { | |
1472 | wait_for_completion(&drv->request_firmware_complete); | |
1473 | ||
1474 | _iwl_op_mode_stop(drv); | |
1475 | ||
1476 | iwl_dealloc_ucode(drv); | |
1477 | ||
1478 | mutex_lock(&iwlwifi_opmode_table_mtx); | |
1479 | /* | |
1480 | * List is empty (this item wasn't added) | |
1481 | * when firmware loading failed -- in that | |
1482 | * case we can't remove it from any list. | |
1483 | */ | |
1484 | if (!list_empty(&drv->list)) | |
1485 | list_del(&drv->list); | |
1486 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1487 | ||
1488 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1489 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1490 | #endif | |
1491 | ||
1492 | kfree(drv); | |
1493 | } | |
1494 | ||
1495 | ||
1496 | /* shared module parameters */ | |
1497 | struct iwl_mod_params iwlwifi_mod_params = { | |
1498 | .restart_fw = true, | |
1499 | .bt_coex_active = true, | |
1500 | .power_level = IWL_POWER_INDEX_1, | |
1501 | .d0i3_disable = true, | |
1502 | #ifndef CONFIG_IWLWIFI_UAPSD | |
1503 | .uapsd_disable = true, | |
1504 | #endif /* CONFIG_IWLWIFI_UAPSD */ | |
1505 | /* the rest are 0 by default */ | |
1506 | }; | |
1507 | IWL_EXPORT_SYMBOL(iwlwifi_mod_params); | |
1508 | ||
1509 | int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) | |
1510 | { | |
1511 | int i; | |
1512 | struct iwl_drv *drv; | |
1513 | struct iwlwifi_opmode_table *op; | |
1514 | ||
1515 | mutex_lock(&iwlwifi_opmode_table_mtx); | |
1516 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { | |
1517 | op = &iwlwifi_opmode_table[i]; | |
1518 | if (strcmp(op->name, name)) | |
1519 | continue; | |
1520 | op->ops = ops; | |
1521 | /* TODO: need to handle exceptional case */ | |
1522 | list_for_each_entry(drv, &op->drv, list) | |
1523 | drv->op_mode = _iwl_op_mode_start(drv, op); | |
1524 | ||
1525 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1526 | return 0; | |
1527 | } | |
1528 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1529 | return -EIO; | |
1530 | } | |
1531 | IWL_EXPORT_SYMBOL(iwl_opmode_register); | |
1532 | ||
1533 | void iwl_opmode_deregister(const char *name) | |
1534 | { | |
1535 | int i; | |
1536 | struct iwl_drv *drv; | |
1537 | ||
1538 | mutex_lock(&iwlwifi_opmode_table_mtx); | |
1539 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { | |
1540 | if (strcmp(iwlwifi_opmode_table[i].name, name)) | |
1541 | continue; | |
1542 | iwlwifi_opmode_table[i].ops = NULL; | |
1543 | ||
1544 | /* call the stop routine for all devices */ | |
1545 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) | |
1546 | _iwl_op_mode_stop(drv); | |
1547 | ||
1548 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1549 | return; | |
1550 | } | |
1551 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1552 | } | |
1553 | IWL_EXPORT_SYMBOL(iwl_opmode_deregister); | |
1554 | ||
1555 | static int __init iwl_drv_init(void) | |
1556 | { | |
1557 | int i; | |
1558 | ||
1559 | mutex_init(&iwlwifi_opmode_table_mtx); | |
1560 | ||
1561 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) | |
1562 | INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); | |
1563 | ||
1564 | pr_info(DRV_DESCRIPTION "\n"); | |
1565 | pr_info(DRV_COPYRIGHT "\n"); | |
1566 | ||
1567 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1568 | /* Create the root of iwlwifi debugfs subsystem. */ | |
1569 | iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); | |
1570 | ||
1571 | if (!iwl_dbgfs_root) | |
1572 | return -EFAULT; | |
1573 | #endif | |
1574 | ||
1575 | return iwl_pci_register_driver(); | |
1576 | } | |
1577 | module_init(iwl_drv_init); | |
1578 | ||
1579 | static void __exit iwl_drv_exit(void) | |
1580 | { | |
1581 | iwl_pci_unregister_driver(); | |
1582 | ||
1583 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1584 | debugfs_remove_recursive(iwl_dbgfs_root); | |
1585 | #endif | |
1586 | } | |
1587 | module_exit(iwl_drv_exit); | |
1588 | ||
1589 | #ifdef CONFIG_IWLWIFI_DEBUG | |
1590 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, | |
1591 | S_IRUGO | S_IWUSR); | |
1592 | MODULE_PARM_DESC(debug, "debug output mask"); | |
1593 | #endif | |
1594 | ||
1595 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); | |
1596 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
1597 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); | |
1598 | MODULE_PARM_DESC(11n_disable, | |
1599 | "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); | |
1600 | module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, | |
1601 | int, S_IRUGO); | |
1602 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)"); | |
1603 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); | |
1604 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); | |
1605 | ||
1606 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, | |
1607 | int, S_IRUGO); | |
1608 | MODULE_PARM_DESC(antenna_coupling, | |
1609 | "specify antenna coupling in dB (default: 0 dB)"); | |
1610 | ||
1611 | module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); | |
1612 | MODULE_PARM_DESC(nvm_file, "NVM file name"); | |
1613 | ||
1614 | module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, | |
1615 | bool, S_IRUGO); | |
1616 | MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); | |
1617 | ||
1618 | module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, | |
1619 | bool, S_IRUGO); | |
1620 | MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); | |
1621 | ||
1622 | module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, | |
1623 | bool, S_IRUGO | S_IWUSR); | |
1624 | #ifdef CONFIG_IWLWIFI_UAPSD | |
1625 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)"); | |
1626 | #else | |
1627 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)"); | |
1628 | #endif | |
1629 | ||
1630 | /* | |
1631 | * set bt_coex_active to true, uCode will do kill/defer | |
1632 | * every time the priority line is asserted (BT is sending signals on the | |
1633 | * priority line in the PCIx). | |
1634 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
1635 | * perform the normal operation | |
1636 | * | |
1637 | * User might experience transmit issue on some platform due to WiFi/BT | |
1638 | * co-exist problem. The possible behaviors are: | |
1639 | * Able to scan and finding all the available AP | |
1640 | * Not able to associate with any AP | |
1641 | * On those platforms, WiFi communication can be restored by set | |
1642 | * "bt_coex_active" module parameter to "false" | |
1643 | * | |
1644 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
1645 | */ | |
1646 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, | |
1647 | bool, S_IRUGO); | |
1648 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
1649 | ||
1650 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); | |
1651 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
1652 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); | |
1653 | ||
1654 | module_param_named(power_save, iwlwifi_mod_params.power_save, | |
1655 | bool, S_IRUGO); | |
1656 | MODULE_PARM_DESC(power_save, | |
1657 | "enable WiFi power management (default: disable)"); | |
1658 | ||
1659 | module_param_named(power_level, iwlwifi_mod_params.power_level, | |
1660 | int, S_IRUGO); | |
1661 | MODULE_PARM_DESC(power_level, | |
1662 | "default power save level (range from 1 - 5, default: 1)"); | |
1663 | ||
1664 | module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); | |
1665 | MODULE_PARM_DESC(fw_monitor, | |
1666 | "firmware monitor - to debug FW (default: false - needs lots of memory)"); |