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5c58edc6 EG |
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 | * | |
51368bf7 | 8 | * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. |
8b4139dc | 9 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
5c58edc6 EG |
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 | |
410dc5aa | 26 | * in the file called COPYING. |
5c58edc6 EG |
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 | * | |
51368bf7 | 34 | * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. |
8b4139dc | 35 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
5c58edc6 EG |
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> | |
15854ef9 JB |
66 | #include <linux/dma-mapping.h> |
67 | #include <linux/firmware.h> | |
68 | #include <linux/module.h> | |
83f84d7b | 69 | #include <linux/vmalloc.h> |
5c58edc6 EG |
70 | |
71 | #include "iwl-drv.h" | |
2bf65081 | 72 | #include "iwl-csr.h" |
c15797e6 | 73 | #include "iwl-debug.h" |
5c58edc6 | 74 | #include "iwl-trans.h" |
d0f76d68 | 75 | #include "iwl-op-mode.h" |
0cedacc5 | 76 | #include "iwl-agn-hw.h" |
6238b008 JB |
77 | #include "iwl-fw.h" |
78 | #include "iwl-config.h" | |
65de7e84 | 79 | #include "iwl-modparams.h" |
5c58edc6 | 80 | |
cc5f7e39 DF |
81 | /****************************************************************************** |
82 | * | |
83 | * module boiler plate | |
84 | * | |
85 | ******************************************************************************/ | |
86 | ||
cc5f7e39 | 87 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" |
cc5f7e39 | 88 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
cc5f7e39 DF |
89 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
90 | MODULE_LICENSE("GPL"); | |
91 | ||
9da987ac MV |
92 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
93 | static struct dentry *iwl_dbgfs_root; | |
94 | #endif | |
95 | ||
965974a6 JB |
96 | /** |
97 | * struct iwl_drv - drv common data | |
cc5f7e39 | 98 | * @list: list of drv structures using this opmode |
965974a6 | 99 | * @fw: the iwl_fw structure |
965974a6 | 100 | * @op_mode: the running op_mode |
68f360dc | 101 | * @trans: transport layer |
4b9844f5 | 102 | * @dev: for debug prints only |
68f360dc | 103 | * @cfg: configuration struct |
965974a6 JB |
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 { | |
cc5f7e39 | 109 | struct list_head list; |
965974a6 JB |
110 | struct iwl_fw fw; |
111 | ||
965974a6 | 112 | struct iwl_op_mode *op_mode; |
9130bab1 | 113 | struct iwl_trans *trans; |
4b9844f5 | 114 | struct device *dev; |
68f360dc | 115 | const struct iwl_cfg *cfg; |
965974a6 JB |
116 | |
117 | int fw_index; /* firmware we're trying to load */ | |
84b0312e | 118 | char firmware_name[32]; /* name of firmware file to load */ |
965974a6 JB |
119 | |
120 | struct completion request_firmware_complete; | |
9da987ac MV |
121 | |
122 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
123 | struct dentry *dbgfs_drv; | |
124 | struct dentry *dbgfs_trans; | |
125 | struct dentry *dbgfs_op_mode; | |
126 | #endif | |
965974a6 JB |
127 | }; |
128 | ||
8ca151b5 JB |
129 | enum { |
130 | DVM_OP_MODE = 0, | |
131 | MVM_OP_MODE = 1, | |
132 | }; | |
965974a6 | 133 | |
ff1ffb85 JB |
134 | /* Protects the table contents, i.e. the ops pointer & drv list */ |
135 | static struct mutex iwlwifi_opmode_table_mtx; | |
cc5f7e39 DF |
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 */ | |
8ca151b5 JB |
141 | [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, |
142 | [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, | |
cc5f7e39 | 143 | }; |
965974a6 | 144 | |
762533ba DS |
145 | #define IWL_DEFAULT_SCAN_CHANNELS 40 |
146 | ||
0cedacc5 DS |
147 | /* |
148 | * struct fw_sec: Just for the image parsing proccess. | |
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 | ||
965974a6 | 157 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
15854ef9 | 158 | { |
83f84d7b JB |
159 | vfree(desc->data); |
160 | desc->data = NULL; | |
15854ef9 JB |
161 | desc->len = 0; |
162 | } | |
163 | ||
965974a6 | 164 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
15854ef9 | 165 | { |
6dfa8d01 DS |
166 | int i; |
167 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
168 | iwl_free_fw_desc(drv, &img->sec[i]); | |
15854ef9 JB |
169 | } |
170 | ||
965974a6 | 171 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
15854ef9 | 172 | { |
6dfa8d01 | 173 | int i; |
490fefeb LK |
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]); | |
d2709ad7 EG |
178 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) |
179 | kfree(drv->fw.dbg_trigger_tlv[i]); | |
490fefeb | 180 | |
6dfa8d01 DS |
181 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
182 | iwl_free_fw_img(drv, drv->fw.img + i); | |
15854ef9 JB |
183 | } |
184 | ||
965974a6 | 185 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
83f84d7b | 186 | struct fw_sec *sec) |
15854ef9 | 187 | { |
83f84d7b JB |
188 | void *data; |
189 | ||
190 | desc->data = NULL; | |
191 | ||
192 | if (!sec || !sec->size) | |
15854ef9 | 193 | return -EINVAL; |
15854ef9 | 194 | |
83f84d7b JB |
195 | data = vmalloc(sec->size); |
196 | if (!data) | |
15854ef9 JB |
197 | return -ENOMEM; |
198 | ||
0cedacc5 DS |
199 | desc->len = sec->size; |
200 | desc->offset = sec->offset; | |
83f84d7b JB |
201 | memcpy(data, sec->data, desc->len); |
202 | desc->data = data; | |
203 | ||
15854ef9 JB |
204 | return 0; |
205 | } | |
206 | ||
1c8e11e1 EG |
207 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, |
208 | void *context); | |
15854ef9 JB |
209 | |
210 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
211 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
212 | ||
965974a6 | 213 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
15854ef9 | 214 | { |
68f360dc | 215 | const char *name_pre = drv->cfg->fw_name_pre; |
15854ef9 JB |
216 | char tag[8]; |
217 | ||
218 | if (first) { | |
219 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
965974a6 | 220 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
15854ef9 | 221 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
965974a6 | 222 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 223 | #endif |
68f360dc | 224 | drv->fw_index = drv->cfg->ucode_api_max; |
965974a6 | 225 | sprintf(tag, "%d", drv->fw_index); |
15854ef9 | 226 | } else { |
965974a6 JB |
227 | drv->fw_index--; |
228 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 JB |
229 | } |
230 | ||
68f360dc | 231 | if (drv->fw_index < drv->cfg->ucode_api_min) { |
965974a6 | 232 | IWL_ERR(drv, "no suitable firmware found!\n"); |
15854ef9 JB |
233 | return -ENOENT; |
234 | } | |
235 | ||
84b0312e LK |
236 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", |
237 | name_pre, tag); | |
15854ef9 | 238 | |
2bf65081 LK |
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[2] = { | |
245 | 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev), 0 | |
246 | }; | |
247 | ||
248 | /* A-step doesn't have an indication */ | |
249 | if (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP) | |
250 | rev_step[0] = 0; | |
251 | ||
252 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), | |
253 | "%s%s-%s.ucode", name_pre, rev_step, tag); | |
254 | } | |
255 | ||
965974a6 JB |
256 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
257 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
15854ef9 | 258 | ? "EXPERIMENTAL " : "", |
965974a6 | 259 | drv->firmware_name); |
15854ef9 | 260 | |
965974a6 | 261 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
93faaeea | 262 | drv->trans->dev, |
1c8e11e1 | 263 | GFP_KERNEL, drv, iwl_req_fw_callback); |
15854ef9 JB |
264 | } |
265 | ||
0cedacc5 | 266 | struct fw_img_parsing { |
6dfa8d01 | 267 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
0cedacc5 DS |
268 | int sec_counter; |
269 | }; | |
270 | ||
ed8c8365 DS |
271 | /* |
272 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
273 | */ | |
274 | struct fw_sec_parsing { | |
275 | __le32 offset; | |
276 | const u8 data[]; | |
277 | } __packed; | |
278 | ||
279 | /** | |
280 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
281 | * | |
282 | * @ucode_type: the uCode to which the following default calib relates. | |
283 | * @calib: default calibrations. | |
284 | */ | |
285 | struct iwl_tlv_calib_data { | |
286 | __le32 ucode_type; | |
aa2b1770 | 287 | struct iwl_tlv_calib_ctrl calib; |
ed8c8365 DS |
288 | } __packed; |
289 | ||
0cedacc5 DS |
290 | struct iwl_firmware_pieces { |
291 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
15854ef9 JB |
292 | |
293 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
294 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
490fefeb LK |
295 | |
296 | /* FW debug data parsed for driver usage */ | |
297 | struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; | |
d2709ad7 EG |
298 | struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; |
299 | size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; | |
300 | struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; | |
301 | size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; | |
15854ef9 JB |
302 | }; |
303 | ||
0cedacc5 DS |
304 | /* |
305 | * These functions are just to extract uCode section data from the pieces | |
306 | * structure. | |
307 | */ | |
308 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
309 | enum iwl_ucode_type type, | |
310 | int sec) | |
311 | { | |
312 | return &pieces->img[type].sec[sec]; | |
313 | } | |
314 | ||
315 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
316 | enum iwl_ucode_type type, | |
317 | int sec, | |
318 | const void *data) | |
319 | { | |
320 | pieces->img[type].sec[sec].data = data; | |
321 | } | |
322 | ||
323 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
324 | enum iwl_ucode_type type, | |
325 | int sec, | |
326 | size_t size) | |
327 | { | |
328 | pieces->img[type].sec[sec].size = size; | |
329 | } | |
330 | ||
331 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
332 | enum iwl_ucode_type type, | |
333 | int sec) | |
334 | { | |
335 | return pieces->img[type].sec[sec].size; | |
336 | } | |
337 | ||
338 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
339 | enum iwl_ucode_type type, | |
340 | int sec, | |
341 | u32 offset) | |
342 | { | |
343 | pieces->img[type].sec[sec].offset = offset; | |
344 | } | |
345 | ||
e36e5433 MS |
346 | static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) |
347 | { | |
348 | int i, j; | |
349 | struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; | |
350 | struct iwl_fw_cipher_scheme *fwcs; | |
351 | struct ieee80211_cipher_scheme *cs; | |
352 | u32 cipher; | |
353 | ||
354 | if (len < sizeof(*l) || | |
355 | len < sizeof(l->size) + l->size * sizeof(l->cs[0])) | |
356 | return -EINVAL; | |
357 | ||
358 | for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { | |
359 | fwcs = &l->cs[j]; | |
360 | cipher = le32_to_cpu(fwcs->cipher); | |
361 | ||
362 | /* we skip schemes with zero cipher suite selector */ | |
363 | if (!cipher) | |
364 | continue; | |
365 | ||
366 | cs = &fw->cs[j++]; | |
367 | cs->cipher = cipher; | |
368 | cs->iftype = BIT(NL80211_IFTYPE_STATION); | |
369 | cs->hdr_len = fwcs->hdr_len; | |
370 | cs->pn_len = fwcs->pn_len; | |
371 | cs->pn_off = fwcs->pn_off; | |
372 | cs->key_idx_off = fwcs->key_idx_off; | |
373 | cs->key_idx_mask = fwcs->key_idx_mask; | |
374 | cs->key_idx_shift = fwcs->key_idx_shift; | |
375 | cs->mic_len = fwcs->mic_len; | |
376 | } | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
ed8c8365 DS |
381 | /* |
382 | * Gets uCode section from tlv. | |
383 | */ | |
384 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
385 | const void *data, enum iwl_ucode_type type, | |
386 | int size) | |
387 | { | |
388 | struct fw_img_parsing *img; | |
389 | struct fw_sec *sec; | |
390 | struct fw_sec_parsing *sec_parse; | |
391 | ||
392 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
393 | return -1; | |
394 | ||
395 | sec_parse = (struct fw_sec_parsing *)data; | |
396 | ||
397 | img = &pieces->img[type]; | |
398 | sec = &img->sec[img->sec_counter]; | |
399 | ||
400 | sec->offset = le32_to_cpu(sec_parse->offset); | |
401 | sec->data = sec_parse->data; | |
1176f431 | 402 | sec->size = size - sizeof(sec_parse->offset); |
ed8c8365 DS |
403 | |
404 | ++img->sec_counter; | |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
410 | { | |
411 | struct iwl_tlv_calib_data *def_calib = | |
412 | (struct iwl_tlv_calib_data *)data; | |
413 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
414 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
415 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
416 | ucode_type); | |
417 | return -EINVAL; | |
418 | } | |
aa2b1770 JB |
419 | drv->fw.default_calib[ucode_type].flow_trigger = |
420 | def_calib->calib.flow_trigger; | |
421 | drv->fw.default_calib[ucode_type].event_trigger = | |
422 | def_calib->calib.event_trigger; | |
423 | ||
ed8c8365 DS |
424 | return 0; |
425 | } | |
426 | ||
a2978b11 EH |
427 | static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, |
428 | struct iwl_ucode_capabilities *capa) | |
429 | { | |
430 | const struct iwl_ucode_api *ucode_api = (void *)data; | |
431 | u32 api_index = le32_to_cpu(ucode_api->api_index); | |
432 | ||
433 | if (api_index >= IWL_API_ARRAY_SIZE) { | |
434 | IWL_ERR(drv, "api_index larger than supported by driver\n"); | |
435 | return -EINVAL; | |
436 | } | |
437 | ||
438 | capa->api[api_index] = le32_to_cpu(ucode_api->api_flags); | |
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 | ||
449 | if (api_index >= IWL_CAPABILITIES_ARRAY_SIZE) { | |
450 | IWL_ERR(drv, "api_index larger than supported by driver\n"); | |
451 | return -EINVAL; | |
452 | } | |
453 | ||
454 | capa->capa[api_index] = le32_to_cpu(ucode_capa->api_capa); | |
455 | ||
456 | return 0; | |
457 | } | |
458 | ||
965974a6 | 459 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
0cedacc5 DS |
460 | const struct firmware *ucode_raw, |
461 | struct iwl_firmware_pieces *pieces) | |
15854ef9 JB |
462 | { |
463 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
464 | u32 api_ver, hdr_size, build; | |
465 | char buildstr[25]; | |
466 | const u8 *src; | |
467 | ||
965974a6 JB |
468 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
469 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
470 | |
471 | switch (api_ver) { | |
472 | default: | |
473 | hdr_size = 28; | |
474 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 475 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
476 | return -EINVAL; |
477 | } | |
478 | build = le32_to_cpu(ucode->u.v2.build); | |
0cedacc5 DS |
479 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
480 | le32_to_cpu(ucode->u.v2.inst_size)); | |
481 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
482 | le32_to_cpu(ucode->u.v2.data_size)); | |
483 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
484 | le32_to_cpu(ucode->u.v2.init_size)); | |
485 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
486 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
15854ef9 JB |
487 | src = ucode->u.v2.data; |
488 | break; | |
489 | case 0: | |
490 | case 1: | |
491 | case 2: | |
492 | hdr_size = 24; | |
493 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 494 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
495 | return -EINVAL; |
496 | } | |
497 | build = 0; | |
0cedacc5 DS |
498 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
499 | le32_to_cpu(ucode->u.v1.inst_size)); | |
500 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
501 | le32_to_cpu(ucode->u.v1.data_size)); | |
502 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
503 | le32_to_cpu(ucode->u.v1.init_size)); | |
504 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
505 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
15854ef9 JB |
506 | src = ucode->u.v1.data; |
507 | break; | |
508 | } | |
509 | ||
510 | if (build) | |
511 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 512 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
513 | ? " (EXP)" : ""); |
514 | else | |
515 | buildstr[0] = '\0'; | |
516 | ||
965974a6 JB |
517 | snprintf(drv->fw.fw_version, |
518 | sizeof(drv->fw.fw_version), | |
15854ef9 | 519 | "%u.%u.%u.%u%s", |
965974a6 JB |
520 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
521 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
522 | IWL_UCODE_API(drv->fw.ucode_ver), | |
523 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
524 | buildstr); |
525 | ||
526 | /* Verify size of file vs. image size info in file's header */ | |
0cedacc5 DS |
527 | |
528 | if (ucode_raw->size != hdr_size + | |
529 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
530 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
531 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
532 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
15854ef9 | 533 | |
965974a6 | 534 | IWL_ERR(drv, |
15854ef9 JB |
535 | "uCode file size %d does not match expected size\n", |
536 | (int)ucode_raw->size); | |
537 | return -EINVAL; | |
538 | } | |
539 | ||
15854ef9 | 540 | |
0cedacc5 DS |
541 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
542 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
543 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
544 | IWLAGN_RTC_INST_LOWER_BOUND); | |
545 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
546 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
547 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
548 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
549 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
550 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
551 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
552 | IWLAGN_RTC_INST_LOWER_BOUND); | |
553 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
554 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
555 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
556 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
557 | return 0; |
558 | } | |
559 | ||
965974a6 | 560 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
15854ef9 | 561 | const struct firmware *ucode_raw, |
0cedacc5 | 562 | struct iwl_firmware_pieces *pieces, |
15854ef9 JB |
563 | struct iwl_ucode_capabilities *capa) |
564 | { | |
565 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
566 | struct iwl_ucode_tlv *tlv; | |
567 | size_t len = ucode_raw->size; | |
568 | const u8 *data; | |
15854ef9 JB |
569 | u32 tlv_len; |
570 | enum iwl_ucode_tlv_type tlv_type; | |
571 | const u8 *tlv_data; | |
572 | char buildstr[25]; | |
573 | u32 build; | |
e2d6f4e7 | 574 | int num_of_cpus; |
61df750c EH |
575 | bool usniffer_images = false; |
576 | bool usniffer_req = false; | |
15854ef9 JB |
577 | |
578 | if (len < sizeof(*ucode)) { | |
965974a6 | 579 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
15854ef9 JB |
580 | return -EINVAL; |
581 | } | |
582 | ||
583 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
965974a6 | 584 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
15854ef9 JB |
585 | le32_to_cpu(ucode->magic)); |
586 | return -EINVAL; | |
587 | } | |
588 | ||
965974a6 | 589 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
06ddbf5a EG |
590 | memcpy(drv->fw.human_readable, ucode->human_readable, |
591 | sizeof(drv->fw.human_readable)); | |
15854ef9 JB |
592 | build = le32_to_cpu(ucode->build); |
593 | ||
594 | if (build) | |
595 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 596 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
597 | ? " (EXP)" : ""); |
598 | else | |
599 | buildstr[0] = '\0'; | |
600 | ||
965974a6 JB |
601 | snprintf(drv->fw.fw_version, |
602 | sizeof(drv->fw.fw_version), | |
15854ef9 | 603 | "%u.%u.%u.%u%s", |
965974a6 JB |
604 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
605 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
606 | IWL_UCODE_API(drv->fw.ucode_ver), | |
607 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
608 | buildstr); |
609 | ||
610 | data = ucode->data; | |
611 | ||
612 | len -= sizeof(*ucode); | |
613 | ||
614 | while (len >= sizeof(*tlv)) { | |
15854ef9 JB |
615 | len -= sizeof(*tlv); |
616 | tlv = (void *)data; | |
617 | ||
618 | tlv_len = le32_to_cpu(tlv->length); | |
0479c19d | 619 | tlv_type = le32_to_cpu(tlv->type); |
15854ef9 JB |
620 | tlv_data = tlv->data; |
621 | ||
622 | if (len < tlv_len) { | |
965974a6 | 623 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
15854ef9 JB |
624 | len, tlv_len); |
625 | return -EINVAL; | |
626 | } | |
627 | len -= ALIGN(tlv_len, 4); | |
628 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
629 | ||
15854ef9 JB |
630 | switch (tlv_type) { |
631 | case IWL_UCODE_TLV_INST: | |
0cedacc5 DS |
632 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
633 | IWL_UCODE_SECTION_INST, tlv_data); | |
634 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
635 | IWL_UCODE_SECTION_INST, tlv_len); | |
636 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
637 | IWL_UCODE_SECTION_INST, | |
638 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
639 | break; |
640 | case IWL_UCODE_TLV_DATA: | |
0cedacc5 DS |
641 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
642 | IWL_UCODE_SECTION_DATA, tlv_data); | |
643 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
644 | IWL_UCODE_SECTION_DATA, tlv_len); | |
645 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
646 | IWL_UCODE_SECTION_DATA, | |
647 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
648 | break; |
649 | case IWL_UCODE_TLV_INIT: | |
0cedacc5 DS |
650 | set_sec_data(pieces, IWL_UCODE_INIT, |
651 | IWL_UCODE_SECTION_INST, tlv_data); | |
652 | set_sec_size(pieces, IWL_UCODE_INIT, | |
653 | IWL_UCODE_SECTION_INST, tlv_len); | |
654 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
655 | IWL_UCODE_SECTION_INST, | |
656 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
657 | break; |
658 | case IWL_UCODE_TLV_INIT_DATA: | |
0cedacc5 DS |
659 | set_sec_data(pieces, IWL_UCODE_INIT, |
660 | IWL_UCODE_SECTION_DATA, tlv_data); | |
661 | set_sec_size(pieces, IWL_UCODE_INIT, | |
662 | IWL_UCODE_SECTION_DATA, tlv_len); | |
663 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
664 | IWL_UCODE_SECTION_DATA, | |
665 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
666 | break; |
667 | case IWL_UCODE_TLV_BOOT: | |
965974a6 | 668 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
15854ef9 JB |
669 | break; |
670 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
671 | if (tlv_len != sizeof(u32)) | |
672 | goto invalid_tlv_len; | |
673 | capa->max_probe_length = | |
674 | le32_to_cpup((__le32 *)tlv_data); | |
675 | break; | |
676 | case IWL_UCODE_TLV_PAN: | |
677 | if (tlv_len) | |
678 | goto invalid_tlv_len; | |
679 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
680 | break; | |
681 | case IWL_UCODE_TLV_FLAGS: | |
682 | /* must be at least one u32 */ | |
683 | if (tlv_len < sizeof(u32)) | |
684 | goto invalid_tlv_len; | |
685 | /* and a proper number of u32s */ | |
686 | if (tlv_len % sizeof(u32)) | |
687 | goto invalid_tlv_len; | |
688 | /* | |
689 | * This driver only reads the first u32 as | |
690 | * right now no more features are defined, | |
691 | * if that changes then either the driver | |
692 | * will not work with the new firmware, or | |
693 | * it'll not take advantage of new features. | |
694 | */ | |
695 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
696 | break; | |
a2978b11 EH |
697 | case IWL_UCODE_TLV_API_CHANGES_SET: |
698 | if (tlv_len != sizeof(struct iwl_ucode_api)) | |
699 | goto invalid_tlv_len; | |
700 | if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) | |
701 | goto tlv_error; | |
702 | break; | |
703 | case IWL_UCODE_TLV_ENABLED_CAPABILITIES: | |
704 | if (tlv_len != sizeof(struct iwl_ucode_capa)) | |
705 | goto invalid_tlv_len; | |
706 | if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) | |
707 | goto tlv_error; | |
708 | break; | |
15854ef9 JB |
709 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
710 | if (tlv_len != sizeof(u32)) | |
711 | goto invalid_tlv_len; | |
712 | pieces->init_evtlog_ptr = | |
713 | le32_to_cpup((__le32 *)tlv_data); | |
714 | break; | |
715 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
716 | if (tlv_len != sizeof(u32)) | |
717 | goto invalid_tlv_len; | |
718 | pieces->init_evtlog_size = | |
719 | le32_to_cpup((__le32 *)tlv_data); | |
720 | break; | |
721 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
722 | if (tlv_len != sizeof(u32)) | |
723 | goto invalid_tlv_len; | |
724 | pieces->init_errlog_ptr = | |
725 | le32_to_cpup((__le32 *)tlv_data); | |
726 | break; | |
727 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
728 | if (tlv_len != sizeof(u32)) | |
729 | goto invalid_tlv_len; | |
730 | pieces->inst_evtlog_ptr = | |
731 | le32_to_cpup((__le32 *)tlv_data); | |
732 | break; | |
733 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
734 | if (tlv_len != sizeof(u32)) | |
735 | goto invalid_tlv_len; | |
736 | pieces->inst_evtlog_size = | |
737 | le32_to_cpup((__le32 *)tlv_data); | |
738 | break; | |
739 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
740 | if (tlv_len != sizeof(u32)) | |
741 | goto invalid_tlv_len; | |
742 | pieces->inst_errlog_ptr = | |
743 | le32_to_cpup((__le32 *)tlv_data); | |
744 | break; | |
745 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
746 | if (tlv_len) | |
747 | goto invalid_tlv_len; | |
965974a6 | 748 | drv->fw.enhance_sensitivity_table = true; |
15854ef9 JB |
749 | break; |
750 | case IWL_UCODE_TLV_WOWLAN_INST: | |
0cedacc5 DS |
751 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
752 | IWL_UCODE_SECTION_INST, tlv_data); | |
753 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
754 | IWL_UCODE_SECTION_INST, tlv_len); | |
755 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
756 | IWL_UCODE_SECTION_INST, | |
757 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
758 | break; |
759 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
0cedacc5 DS |
760 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
761 | IWL_UCODE_SECTION_DATA, tlv_data); | |
762 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
763 | IWL_UCODE_SECTION_DATA, tlv_len); | |
764 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
765 | IWL_UCODE_SECTION_DATA, | |
766 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
767 | break; |
768 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
769 | if (tlv_len != sizeof(u32)) | |
770 | goto invalid_tlv_len; | |
771 | capa->standard_phy_calibration_size = | |
772 | le32_to_cpup((__le32 *)tlv_data); | |
773 | break; | |
ed8c8365 DS |
774 | case IWL_UCODE_TLV_SEC_RT: |
775 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
776 | tlv_len); | |
4db2c9ae | 777 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
778 | break; |
779 | case IWL_UCODE_TLV_SEC_INIT: | |
780 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
781 | tlv_len); | |
4db2c9ae | 782 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
783 | break; |
784 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
785 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
786 | tlv_len); | |
4db2c9ae | 787 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
788 | break; |
789 | case IWL_UCODE_TLV_DEF_CALIB: | |
790 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
791 | goto invalid_tlv_len; | |
792 | if (iwl_set_default_calib(drv, tlv_data)) | |
793 | goto tlv_error; | |
794 | break; | |
795 | case IWL_UCODE_TLV_PHY_SKU: | |
796 | if (tlv_len != sizeof(u32)) | |
797 | goto invalid_tlv_len; | |
798 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
77db0a3c EH |
799 | drv->fw.valid_tx_ant = (drv->fw.phy_config & |
800 | FW_PHY_CFG_TX_CHAIN) >> | |
801 | FW_PHY_CFG_TX_CHAIN_POS; | |
802 | drv->fw.valid_rx_ant = (drv->fw.phy_config & | |
803 | FW_PHY_CFG_RX_CHAIN) >> | |
804 | FW_PHY_CFG_RX_CHAIN_POS; | |
ed8c8365 | 805 | break; |
e2d6f4e7 EH |
806 | case IWL_UCODE_TLV_SECURE_SEC_RT: |
807 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
808 | tlv_len); | |
809 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
810 | break; |
811 | case IWL_UCODE_TLV_SECURE_SEC_INIT: | |
812 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
813 | tlv_len); | |
814 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
815 | break; |
816 | case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: | |
817 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
818 | tlv_len); | |
819 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
820 | break; |
821 | case IWL_UCODE_TLV_NUM_OF_CPU: | |
822 | if (tlv_len != sizeof(u32)) | |
823 | goto invalid_tlv_len; | |
824 | num_of_cpus = | |
825 | le32_to_cpup((__le32 *)tlv_data); | |
826 | ||
827 | if (num_of_cpus == 2) { | |
828 | drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = | |
829 | true; | |
830 | drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = | |
831 | true; | |
832 | drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = | |
833 | true; | |
834 | } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { | |
835 | IWL_ERR(drv, "Driver support upto 2 CPUs\n"); | |
836 | return -EINVAL; | |
837 | } | |
838 | break; | |
e36e5433 MS |
839 | case IWL_UCODE_TLV_CSCHEME: |
840 | if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) | |
841 | goto invalid_tlv_len; | |
842 | break; | |
762533ba DS |
843 | case IWL_UCODE_TLV_N_SCAN_CHANNELS: |
844 | if (tlv_len != sizeof(u32)) | |
845 | goto invalid_tlv_len; | |
846 | capa->n_scan_channels = | |
847 | le32_to_cpup((__le32 *)tlv_data); | |
848 | break; | |
7e1223b5 EG |
849 | case IWL_UCODE_TLV_FW_VERSION: { |
850 | __le32 *ptr = (void *)tlv_data; | |
851 | u32 major, minor; | |
852 | u8 local_comp; | |
853 | ||
854 | if (tlv_len != sizeof(u32) * 3) | |
855 | goto invalid_tlv_len; | |
856 | ||
857 | major = le32_to_cpup(ptr++); | |
858 | minor = le32_to_cpup(ptr++); | |
859 | local_comp = le32_to_cpup(ptr); | |
860 | ||
861 | snprintf(drv->fw.fw_version, | |
862 | sizeof(drv->fw.fw_version), "%u.%u.%u", | |
863 | major, minor, local_comp); | |
864 | break; | |
865 | } | |
490fefeb LK |
866 | case IWL_UCODE_TLV_FW_DBG_DEST: { |
867 | struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; | |
868 | ||
869 | if (pieces->dbg_dest_tlv) { | |
870 | IWL_ERR(drv, | |
871 | "dbg destination ignored, already exists\n"); | |
872 | break; | |
873 | } | |
874 | ||
875 | pieces->dbg_dest_tlv = dest; | |
876 | IWL_INFO(drv, "Found debug destination: %s\n", | |
877 | get_fw_dbg_mode_string(dest->monitor_mode)); | |
878 | ||
879 | drv->fw.dbg_dest_reg_num = | |
880 | tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, | |
881 | reg_ops); | |
882 | drv->fw.dbg_dest_reg_num /= | |
883 | sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); | |
884 | ||
885 | break; | |
886 | } | |
887 | case IWL_UCODE_TLV_FW_DBG_CONF: { | |
888 | struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; | |
889 | ||
890 | if (!pieces->dbg_dest_tlv) { | |
891 | IWL_ERR(drv, | |
892 | "Ignore dbg config %d - no destination configured\n", | |
893 | conf->id); | |
894 | break; | |
895 | } | |
896 | ||
897 | if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { | |
898 | IWL_ERR(drv, | |
899 | "Skip unknown configuration: %d\n", | |
900 | conf->id); | |
901 | break; | |
902 | } | |
903 | ||
904 | if (pieces->dbg_conf_tlv[conf->id]) { | |
905 | IWL_ERR(drv, | |
906 | "Ignore duplicate dbg config %d\n", | |
907 | conf->id); | |
908 | break; | |
909 | } | |
910 | ||
61df750c EH |
911 | if (conf->usniffer) |
912 | usniffer_req = true; | |
913 | ||
490fefeb LK |
914 | IWL_INFO(drv, "Found debug configuration: %d\n", |
915 | conf->id); | |
916 | ||
917 | pieces->dbg_conf_tlv[conf->id] = conf; | |
918 | pieces->dbg_conf_tlv_len[conf->id] = tlv_len; | |
919 | break; | |
920 | } | |
d2709ad7 EG |
921 | case IWL_UCODE_TLV_FW_DBG_TRIGGER: { |
922 | struct iwl_fw_dbg_trigger_tlv *trigger = | |
923 | (void *)tlv_data; | |
924 | u32 trigger_id = le32_to_cpu(trigger->id); | |
925 | ||
926 | if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { | |
927 | IWL_ERR(drv, | |
928 | "Skip unknown trigger: %u\n", | |
929 | trigger->id); | |
930 | break; | |
931 | } | |
932 | ||
933 | if (pieces->dbg_trigger_tlv[trigger_id]) { | |
934 | IWL_ERR(drv, | |
935 | "Ignore duplicate dbg trigger %u\n", | |
936 | trigger->id); | |
937 | break; | |
938 | } | |
939 | ||
940 | IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); | |
941 | ||
942 | pieces->dbg_trigger_tlv[trigger_id] = trigger; | |
943 | pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; | |
944 | break; | |
945 | } | |
61df750c EH |
946 | case IWL_UCODE_TLV_SEC_RT_USNIFFER: |
947 | usniffer_images = true; | |
948 | iwl_store_ucode_sec(pieces, tlv_data, | |
949 | IWL_UCODE_REGULAR_USNIFFER, | |
950 | tlv_len); | |
951 | break; | |
b4821767 LK |
952 | case IWL_UCODE_TLV_SDIO_ADMA_ADDR: |
953 | if (tlv_len != sizeof(u32)) | |
954 | goto invalid_tlv_len; | |
955 | drv->fw.sdio_adma_addr = | |
956 | le32_to_cpup((__le32 *)tlv_data); | |
957 | break; | |
15854ef9 | 958 | default: |
965974a6 | 959 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
15854ef9 JB |
960 | break; |
961 | } | |
962 | } | |
963 | ||
61df750c EH |
964 | if (usniffer_req && !usniffer_images) { |
965 | IWL_ERR(drv, | |
966 | "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); | |
967 | return -EINVAL; | |
968 | } | |
969 | ||
15854ef9 | 970 | if (len) { |
965974a6 JB |
971 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
972 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
15854ef9 JB |
973 | return -EINVAL; |
974 | } | |
975 | ||
976 | return 0; | |
977 | ||
978 | invalid_tlv_len: | |
965974a6 | 979 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
ed8c8365 | 980 | tlv_error: |
965974a6 | 981 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
15854ef9 JB |
982 | |
983 | return -EINVAL; | |
984 | } | |
985 | ||
75813bde JB |
986 | static int iwl_alloc_ucode(struct iwl_drv *drv, |
987 | struct iwl_firmware_pieces *pieces, | |
988 | enum iwl_ucode_type type) | |
6dfa8d01 DS |
989 | { |
990 | int i; | |
991 | for (i = 0; | |
992 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
993 | i++) | |
994 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
75813bde JB |
995 | get_sec(pieces, type, i))) |
996 | return -ENOMEM; | |
6dfa8d01 DS |
997 | return 0; |
998 | } | |
999 | ||
1000 | static int validate_sec_sizes(struct iwl_drv *drv, | |
1001 | struct iwl_firmware_pieces *pieces, | |
1002 | const struct iwl_cfg *cfg) | |
1003 | { | |
1004 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
1005 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1006 | IWL_UCODE_SECTION_INST)); | |
1007 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
1008 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1009 | IWL_UCODE_SECTION_DATA)); | |
1010 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
1011 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
1012 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
1013 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
1014 | ||
1015 | /* Verify that uCode images will fit in card's SRAM. */ | |
1016 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
e70fe7eb | 1017 | cfg->max_inst_size) { |
6dfa8d01 DS |
1018 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", |
1019 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
e70fe7eb | 1020 | IWL_UCODE_SECTION_INST)); |
6dfa8d01 DS |
1021 | return -1; |
1022 | } | |
1023 | ||
1024 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
e70fe7eb | 1025 | cfg->max_data_size) { |
6dfa8d01 DS |
1026 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", |
1027 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
e70fe7eb | 1028 | IWL_UCODE_SECTION_DATA)); |
6dfa8d01 DS |
1029 | return -1; |
1030 | } | |
1031 | ||
e70fe7eb EG |
1032 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > |
1033 | cfg->max_inst_size) { | |
6dfa8d01 DS |
1034 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", |
1035 | get_sec_size(pieces, IWL_UCODE_INIT, | |
e70fe7eb | 1036 | IWL_UCODE_SECTION_INST)); |
6dfa8d01 DS |
1037 | return -1; |
1038 | } | |
1039 | ||
1040 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
e70fe7eb | 1041 | cfg->max_data_size) { |
6dfa8d01 DS |
1042 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", |
1043 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
e70fe7eb | 1044 | IWL_UCODE_SECTION_DATA)); |
6dfa8d01 DS |
1045 | return -1; |
1046 | } | |
1047 | return 0; | |
1048 | } | |
1049 | ||
9da987ac MV |
1050 | static struct iwl_op_mode * |
1051 | _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) | |
1052 | { | |
1053 | const struct iwl_op_mode_ops *ops = op->ops; | |
1054 | struct dentry *dbgfs_dir = NULL; | |
1055 | struct iwl_op_mode *op_mode = NULL; | |
1056 | ||
1057 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1058 | drv->dbgfs_op_mode = debugfs_create_dir(op->name, | |
1059 | drv->dbgfs_drv); | |
1060 | if (!drv->dbgfs_op_mode) { | |
1061 | IWL_ERR(drv, | |
1062 | "failed to create opmode debugfs directory\n"); | |
1063 | return op_mode; | |
1064 | } | |
1065 | dbgfs_dir = drv->dbgfs_op_mode; | |
1066 | #endif | |
1067 | ||
1068 | op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir); | |
1069 | ||
1070 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1071 | if (!op_mode) { | |
1072 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1073 | drv->dbgfs_op_mode = NULL; | |
1074 | } | |
1075 | #endif | |
1076 | ||
1077 | return op_mode; | |
1078 | } | |
1079 | ||
1080 | static void _iwl_op_mode_stop(struct iwl_drv *drv) | |
1081 | { | |
1082 | /* op_mode can be NULL if its start failed */ | |
1083 | if (drv->op_mode) { | |
1084 | iwl_op_mode_stop(drv->op_mode); | |
1085 | drv->op_mode = NULL; | |
1086 | ||
1087 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1088 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1089 | drv->dbgfs_op_mode = NULL; | |
1090 | #endif | |
1091 | } | |
1092 | } | |
1093 | ||
15854ef9 | 1094 | /** |
1c8e11e1 | 1095 | * iwl_req_fw_callback - callback when firmware was loaded |
15854ef9 JB |
1096 | * |
1097 | * If loaded successfully, copies the firmware into buffers | |
1098 | * for the card to fetch (via DMA). | |
1099 | */ | |
1c8e11e1 | 1100 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) |
15854ef9 | 1101 | { |
965974a6 | 1102 | struct iwl_drv *drv = context; |
965974a6 | 1103 | struct iwl_fw *fw = &drv->fw; |
15854ef9 | 1104 | struct iwl_ucode_header *ucode; |
cc5f7e39 | 1105 | struct iwlwifi_opmode_table *op; |
15854ef9 | 1106 | int err; |
490fefeb | 1107 | struct iwl_firmware_pieces *pieces; |
68f360dc EG |
1108 | const unsigned int api_max = drv->cfg->ucode_api_max; |
1109 | unsigned int api_ok = drv->cfg->ucode_api_ok; | |
1110 | const unsigned int api_min = drv->cfg->ucode_api_min; | |
15854ef9 | 1111 | u32 api_ver; |
6dfa8d01 | 1112 | int i; |
d4b10483 | 1113 | bool load_module = false; |
15854ef9 | 1114 | |
66140adc | 1115 | fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; |
15854ef9 JB |
1116 | fw->ucode_capa.standard_phy_calibration_size = |
1117 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
762533ba | 1118 | fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; |
15854ef9 JB |
1119 | |
1120 | if (!api_ok) | |
1121 | api_ok = api_max; | |
1122 | ||
490fefeb LK |
1123 | pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); |
1124 | if (!pieces) | |
1125 | return; | |
15854ef9 JB |
1126 | |
1127 | if (!ucode_raw) { | |
965974a6 JB |
1128 | if (drv->fw_index <= api_ok) |
1129 | IWL_ERR(drv, | |
15854ef9 | 1130 | "request for firmware file '%s' failed.\n", |
965974a6 | 1131 | drv->firmware_name); |
15854ef9 JB |
1132 | goto try_again; |
1133 | } | |
1134 | ||
965974a6 JB |
1135 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
1136 | drv->firmware_name, ucode_raw->size); | |
15854ef9 JB |
1137 | |
1138 | /* Make sure that we got at least the API version number */ | |
1139 | if (ucode_raw->size < 4) { | |
965974a6 | 1140 | IWL_ERR(drv, "File size way too small!\n"); |
15854ef9 JB |
1141 | goto try_again; |
1142 | } | |
1143 | ||
1144 | /* Data from ucode file: header followed by uCode images */ | |
1145 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
1146 | ||
1147 | if (ucode->ver) | |
490fefeb | 1148 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); |
15854ef9 | 1149 | else |
490fefeb LK |
1150 | err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, |
1151 | &fw->ucode_capa); | |
15854ef9 JB |
1152 | |
1153 | if (err) | |
1154 | goto try_again; | |
1155 | ||
7e1223b5 EG |
1156 | if (drv->fw.ucode_capa.api[0] & IWL_UCODE_TLV_API_NEW_VERSION) |
1157 | api_ver = drv->fw.ucode_ver; | |
1158 | else | |
1159 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
1160 | |
1161 | /* | |
1162 | * api_ver should match the api version forming part of the | |
1163 | * firmware filename ... but we don't check for that and only rely | |
1164 | * on the API version read from firmware header from here on forward | |
1165 | */ | |
1166 | /* no api version check required for experimental uCode */ | |
965974a6 | 1167 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 1168 | if (api_ver < api_min || api_ver > api_max) { |
965974a6 | 1169 | IWL_ERR(drv, |
15854ef9 JB |
1170 | "Driver unable to support your firmware API. " |
1171 | "Driver supports v%u, firmware is v%u.\n", | |
1172 | api_max, api_ver); | |
1173 | goto try_again; | |
1174 | } | |
1175 | ||
1176 | if (api_ver < api_ok) { | |
1177 | if (api_ok != api_max) | |
965974a6 | 1178 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
1179 | "expected v%u through v%u, got v%u.\n", |
1180 | api_ok, api_max, api_ver); | |
1181 | else | |
965974a6 | 1182 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
1183 | "expected v%u, got v%u.\n", |
1184 | api_max, api_ver); | |
965974a6 | 1185 | IWL_ERR(drv, "New firmware can be obtained from " |
15854ef9 JB |
1186 | "http://www.intellinuxwireless.org/.\n"); |
1187 | } | |
1188 | } | |
1189 | ||
4db2c9ae DS |
1190 | /* |
1191 | * In mvm uCode there is no difference between data and instructions | |
1192 | * sections. | |
1193 | */ | |
490fefeb | 1194 | if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg)) |
15854ef9 | 1195 | goto try_again; |
15854ef9 JB |
1196 | |
1197 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
1198 | ||
1199 | /* Runtime instructions and 2 copies of data: | |
1200 | * 1) unmodified from disk | |
1201 | * 2) backup cache for save/restore during power-downs */ | |
6dfa8d01 | 1202 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
490fefeb | 1203 | if (iwl_alloc_ucode(drv, pieces, i)) |
75813bde | 1204 | goto out_free_fw; |
15854ef9 | 1205 | |
490fefeb LK |
1206 | if (pieces->dbg_dest_tlv) { |
1207 | drv->fw.dbg_dest_tlv = | |
1208 | kmemdup(pieces->dbg_dest_tlv, | |
1209 | sizeof(*pieces->dbg_dest_tlv) + | |
1210 | sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * | |
1211 | drv->fw.dbg_dest_reg_num, GFP_KERNEL); | |
1212 | ||
1213 | if (!drv->fw.dbg_dest_tlv) | |
1214 | goto out_free_fw; | |
1215 | } | |
1216 | ||
1217 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { | |
1218 | if (pieces->dbg_conf_tlv[i]) { | |
1219 | drv->fw.dbg_conf_tlv_len[i] = | |
1220 | pieces->dbg_conf_tlv_len[i]; | |
1221 | drv->fw.dbg_conf_tlv[i] = | |
1222 | kmemdup(pieces->dbg_conf_tlv[i], | |
1223 | drv->fw.dbg_conf_tlv_len[i], | |
1224 | GFP_KERNEL); | |
1225 | if (!drv->fw.dbg_conf_tlv[i]) | |
1226 | goto out_free_fw; | |
1227 | } | |
1228 | } | |
1229 | ||
d2709ad7 EG |
1230 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { |
1231 | if (pieces->dbg_trigger_tlv[i]) { | |
1232 | drv->fw.dbg_trigger_tlv_len[i] = | |
1233 | pieces->dbg_trigger_tlv_len[i]; | |
1234 | drv->fw.dbg_trigger_tlv[i] = | |
1235 | kmemdup(pieces->dbg_trigger_tlv[i], | |
1236 | drv->fw.dbg_trigger_tlv_len[i], | |
1237 | GFP_KERNEL); | |
1238 | if (!drv->fw.dbg_trigger_tlv[i]) | |
1239 | goto out_free_fw; | |
1240 | } | |
1241 | } | |
1242 | ||
15854ef9 JB |
1243 | /* Now that we can no longer fail, copy information */ |
1244 | ||
1245 | /* | |
1246 | * The (size - 16) / 12 formula is based on the information recorded | |
1247 | * for each event, which is of mode 1 (including timestamp) for all | |
1248 | * new microcodes that include this information. | |
1249 | */ | |
490fefeb LK |
1250 | fw->init_evtlog_ptr = pieces->init_evtlog_ptr; |
1251 | if (pieces->init_evtlog_size) | |
1252 | fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; | |
15854ef9 | 1253 | else |
0692fe41 | 1254 | fw->init_evtlog_size = |
68f360dc | 1255 | drv->cfg->base_params->max_event_log_size; |
490fefeb LK |
1256 | fw->init_errlog_ptr = pieces->init_errlog_ptr; |
1257 | fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; | |
1258 | if (pieces->inst_evtlog_size) | |
1259 | fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; | |
15854ef9 | 1260 | else |
0692fe41 | 1261 | fw->inst_evtlog_size = |
68f360dc | 1262 | drv->cfg->base_params->max_event_log_size; |
490fefeb | 1263 | fw->inst_errlog_ptr = pieces->inst_errlog_ptr; |
15854ef9 JB |
1264 | |
1265 | /* | |
1266 | * figure out the offset of chain noise reset and gain commands | |
1267 | * base on the size of standard phy calibration commands table size | |
1268 | */ | |
1269 | if (fw->ucode_capa.standard_phy_calibration_size > | |
1270 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
1271 | fw->ucode_capa.standard_phy_calibration_size = | |
1272 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1273 | ||
1274 | /* We have our copies now, allow OS release its copies */ | |
1275 | release_firmware(ucode_raw); | |
15854ef9 | 1276 | |
ff1ffb85 | 1277 | mutex_lock(&iwlwifi_opmode_table_mtx); |
8ca151b5 JB |
1278 | if (fw->mvm_fw) |
1279 | op = &iwlwifi_opmode_table[MVM_OP_MODE]; | |
1280 | else | |
1281 | op = &iwlwifi_opmode_table[DVM_OP_MODE]; | |
15854ef9 | 1282 | |
2b2719c7 JB |
1283 | IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", |
1284 | drv->fw.fw_version, op->name); | |
1285 | ||
cc5f7e39 DF |
1286 | /* add this device to the list of devices using this op_mode */ |
1287 | list_add_tail(&drv->list, &op->drv); | |
1288 | ||
1289 | if (op->ops) { | |
9da987ac | 1290 | drv->op_mode = _iwl_op_mode_start(drv, op); |
7c9c46c1 | 1291 | |
daf67ce8 DC |
1292 | if (!drv->op_mode) { |
1293 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
7c9c46c1 | 1294 | goto out_unbind; |
daf67ce8 | 1295 | } |
cc5f7e39 | 1296 | } else { |
d4b10483 | 1297 | load_module = true; |
cc5f7e39 | 1298 | } |
ff1ffb85 | 1299 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
15854ef9 | 1300 | |
f69a23b7 JB |
1301 | /* |
1302 | * Complete the firmware request last so that | |
1303 | * a driver unbind (stop) doesn't run while we | |
1304 | * are doing the start() above. | |
1305 | */ | |
1306 | complete(&drv->request_firmware_complete); | |
d4b10483 JB |
1307 | |
1308 | /* | |
1309 | * Load the module last so we don't block anything | |
1310 | * else from proceeding if the module fails to load | |
1311 | * or hangs loading. | |
1312 | */ | |
1618b2b0 JB |
1313 | if (load_module) { |
1314 | err = request_module("%s", op->name); | |
8edf3fd6 | 1315 | #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR |
1618b2b0 JB |
1316 | if (err) |
1317 | IWL_ERR(drv, | |
1318 | "failed to load module %s (error %d), is dynamic loading enabled?\n", | |
1319 | op->name, err); | |
8edf3fd6 | 1320 | #endif |
1618b2b0 | 1321 | } |
15854ef9 JB |
1322 | return; |
1323 | ||
1324 | try_again: | |
1325 | /* try next, if any */ | |
1326 | release_firmware(ucode_raw); | |
965974a6 | 1327 | if (iwl_request_firmware(drv, false)) |
15854ef9 | 1328 | goto out_unbind; |
31a5a09c | 1329 | kfree(pieces); |
15854ef9 JB |
1330 | return; |
1331 | ||
75813bde | 1332 | out_free_fw: |
965974a6 JB |
1333 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
1334 | iwl_dealloc_ucode(drv); | |
15854ef9 JB |
1335 | release_firmware(ucode_raw); |
1336 | out_unbind: | |
490fefeb | 1337 | kfree(pieces); |
965974a6 | 1338 | complete(&drv->request_firmware_complete); |
93faaeea | 1339 | device_release_driver(drv->trans->dev); |
15854ef9 JB |
1340 | } |
1341 | ||
87ce05a2 | 1342 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, |
9130bab1 | 1343 | const struct iwl_cfg *cfg) |
5c58edc6 | 1344 | { |
965974a6 | 1345 | struct iwl_drv *drv; |
5c58edc6 EG |
1346 | int ret; |
1347 | ||
965974a6 | 1348 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
eafe25e0 LC |
1349 | if (!drv) { |
1350 | ret = -ENOMEM; | |
1351 | goto err; | |
1352 | } | |
c15797e6 | 1353 | |
9130bab1 | 1354 | drv->trans = trans; |
4b9844f5 | 1355 | drv->dev = trans->dev; |
68f360dc | 1356 | drv->cfg = cfg; |
5c58edc6 | 1357 | |
965974a6 | 1358 | init_completion(&drv->request_firmware_complete); |
ff1ffb85 | 1359 | INIT_LIST_HEAD(&drv->list); |
5c58edc6 | 1360 | |
9da987ac MV |
1361 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1362 | /* Create the device debugfs entries. */ | |
1363 | drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), | |
1364 | iwl_dbgfs_root); | |
1365 | ||
1366 | if (!drv->dbgfs_drv) { | |
1367 | IWL_ERR(drv, "failed to create debugfs directory\n"); | |
59f547ac | 1368 | ret = -ENOMEM; |
9da987ac MV |
1369 | goto err_free_drv; |
1370 | } | |
1371 | ||
1372 | /* Create transport layer debugfs dir */ | |
1373 | drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); | |
1374 | ||
1375 | if (!drv->trans->dbgfs_dir) { | |
1376 | IWL_ERR(drv, "failed to create transport debugfs directory\n"); | |
59f547ac | 1377 | ret = -ENOMEM; |
9da987ac MV |
1378 | goto err_free_dbgfs; |
1379 | } | |
1380 | #endif | |
1381 | ||
965974a6 | 1382 | ret = iwl_request_firmware(drv, true); |
5c58edc6 | 1383 | if (ret) { |
c15797e6 | 1384 | IWL_ERR(trans, "Couldn't request the fw\n"); |
9da987ac | 1385 | goto err_fw; |
5c58edc6 EG |
1386 | } |
1387 | ||
9da987ac MV |
1388 | return drv; |
1389 | ||
1390 | err_fw: | |
1391 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1392 | err_free_dbgfs: | |
1393 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1394 | err_free_drv: | |
1395 | #endif | |
1396 | kfree(drv); | |
eafe25e0 | 1397 | err: |
59f547ac | 1398 | return ERR_PTR(ret); |
5c58edc6 EG |
1399 | } |
1400 | ||
9130bab1 | 1401 | void iwl_drv_stop(struct iwl_drv *drv) |
07590f08 | 1402 | { |
965974a6 | 1403 | wait_for_completion(&drv->request_firmware_complete); |
2e7eb117 | 1404 | |
9da987ac | 1405 | _iwl_op_mode_stop(drv); |
07590f08 | 1406 | |
965974a6 | 1407 | iwl_dealloc_ucode(drv); |
7db5b989 | 1408 | |
ff1ffb85 JB |
1409 | mutex_lock(&iwlwifi_opmode_table_mtx); |
1410 | /* | |
1411 | * List is empty (this item wasn't added) | |
1412 | * when firmware loading failed -- in that | |
1413 | * case we can't remove it from any list. | |
1414 | */ | |
1415 | if (!list_empty(&drv->list)) | |
1416 | list_del(&drv->list); | |
1417 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1418 | ||
9da987ac MV |
1419 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1420 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1421 | #endif | |
1422 | ||
965974a6 | 1423 | kfree(drv); |
07590f08 | 1424 | } |
65de7e84 JB |
1425 | |
1426 | ||
1427 | /* shared module parameters */ | |
1428 | struct iwl_mod_params iwlwifi_mod_params = { | |
490953ac | 1429 | .restart_fw = true, |
65de7e84 JB |
1430 | .bt_coex_active = true, |
1431 | .power_level = IWL_POWER_INDEX_1, | |
7616f334 | 1432 | .d0i3_disable = true, |
d6ca18de JB |
1433 | #ifndef CONFIG_IWLWIFI_UAPSD |
1434 | .uapsd_disable = true, | |
1435 | #endif /* CONFIG_IWLWIFI_UAPSD */ | |
65de7e84 JB |
1436 | /* the rest are 0 by default */ |
1437 | }; | |
48e29340 | 1438 | IWL_EXPORT_SYMBOL(iwlwifi_mod_params); |
cc5f7e39 DF |
1439 | |
1440 | int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) | |
1441 | { | |
1442 | int i; | |
1443 | struct iwl_drv *drv; | |
9da987ac | 1444 | struct iwlwifi_opmode_table *op; |
cc5f7e39 | 1445 | |
ff1ffb85 | 1446 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1447 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
9da987ac MV |
1448 | op = &iwlwifi_opmode_table[i]; |
1449 | if (strcmp(op->name, name)) | |
cc5f7e39 | 1450 | continue; |
9da987ac MV |
1451 | op->ops = ops; |
1452 | /* TODO: need to handle exceptional case */ | |
1453 | list_for_each_entry(drv, &op->drv, list) | |
1454 | drv->op_mode = _iwl_op_mode_start(drv, op); | |
1455 | ||
ff1ffb85 | 1456 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1457 | return 0; |
1458 | } | |
ff1ffb85 | 1459 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1460 | return -EIO; |
1461 | } | |
48e29340 | 1462 | IWL_EXPORT_SYMBOL(iwl_opmode_register); |
cc5f7e39 DF |
1463 | |
1464 | void iwl_opmode_deregister(const char *name) | |
1465 | { | |
1466 | int i; | |
1467 | struct iwl_drv *drv; | |
1468 | ||
ff1ffb85 | 1469 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1470 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
1471 | if (strcmp(iwlwifi_opmode_table[i].name, name)) | |
1472 | continue; | |
1473 | iwlwifi_opmode_table[i].ops = NULL; | |
1474 | ||
1475 | /* call the stop routine for all devices */ | |
9da987ac MV |
1476 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) |
1477 | _iwl_op_mode_stop(drv); | |
1478 | ||
ff1ffb85 | 1479 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1480 | return; |
1481 | } | |
ff1ffb85 | 1482 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1483 | } |
48e29340 | 1484 | IWL_EXPORT_SYMBOL(iwl_opmode_deregister); |
cc5f7e39 DF |
1485 | |
1486 | static int __init iwl_drv_init(void) | |
1487 | { | |
1488 | int i; | |
1489 | ||
ff1ffb85 JB |
1490 | mutex_init(&iwlwifi_opmode_table_mtx); |
1491 | ||
cc5f7e39 DF |
1492 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) |
1493 | INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); | |
1494 | ||
e32ec12f | 1495 | pr_info(DRV_DESCRIPTION "\n"); |
cc5f7e39 DF |
1496 | pr_info(DRV_COPYRIGHT "\n"); |
1497 | ||
9da987ac MV |
1498 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1499 | /* Create the root of iwlwifi debugfs subsystem. */ | |
1500 | iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); | |
1501 | ||
1502 | if (!iwl_dbgfs_root) | |
1503 | return -EFAULT; | |
1504 | #endif | |
1505 | ||
cc5f7e39 DF |
1506 | return iwl_pci_register_driver(); |
1507 | } | |
1508 | module_init(iwl_drv_init); | |
1509 | ||
1510 | static void __exit iwl_drv_exit(void) | |
1511 | { | |
1512 | iwl_pci_unregister_driver(); | |
9da987ac MV |
1513 | |
1514 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1515 | debugfs_remove_recursive(iwl_dbgfs_root); | |
1516 | #endif | |
cc5f7e39 DF |
1517 | } |
1518 | module_exit(iwl_drv_exit); | |
65de7e84 JB |
1519 | |
1520 | #ifdef CONFIG_IWLWIFI_DEBUG | |
1521 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, | |
1522 | S_IRUGO | S_IWUSR); | |
1523 | MODULE_PARM_DESC(debug, "debug output mask"); | |
1524 | #endif | |
1525 | ||
1526 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); | |
1527 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
1528 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); | |
1529 | MODULE_PARM_DESC(11n_disable, | |
205e2210 | 1530 | "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); |
65de7e84 JB |
1531 | module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, |
1532 | int, S_IRUGO); | |
aed7d9ac | 1533 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)"); |
490953ac EG |
1534 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); |
1535 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); | |
65de7e84 JB |
1536 | |
1537 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, | |
1538 | int, S_IRUGO); | |
1539 | MODULE_PARM_DESC(antenna_coupling, | |
ad25c1ee | 1540 | "specify antenna coupling in dB (default: 0 dB)"); |
65de7e84 | 1541 | |
1214755c EH |
1542 | module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); |
1543 | MODULE_PARM_DESC(nvm_file, "NVM file name"); | |
1544 | ||
7616f334 EP |
1545 | module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, |
1546 | bool, S_IRUGO); | |
1547 | MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); | |
1548 | ||
5711cac4 AN |
1549 | module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, |
1550 | bool, S_IRUGO); | |
1551 | MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); | |
1552 | ||
1504f48d | 1553 | module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, |
bd1ba664 | 1554 | bool, S_IRUGO | S_IWUSR); |
d6ca18de | 1555 | #ifdef CONFIG_IWLWIFI_UAPSD |
1504f48d | 1556 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)"); |
d6ca18de JB |
1557 | #else |
1558 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)"); | |
1559 | #endif | |
1504f48d | 1560 | |
65de7e84 JB |
1561 | /* |
1562 | * set bt_coex_active to true, uCode will do kill/defer | |
1563 | * every time the priority line is asserted (BT is sending signals on the | |
1564 | * priority line in the PCIx). | |
1565 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
1566 | * perform the normal operation | |
1567 | * | |
1568 | * User might experience transmit issue on some platform due to WiFi/BT | |
1569 | * co-exist problem. The possible behaviors are: | |
1570 | * Able to scan and finding all the available AP | |
1571 | * Not able to associate with any AP | |
1572 | * On those platforms, WiFi communication can be restored by set | |
1573 | * "bt_coex_active" module parameter to "false" | |
1574 | * | |
1575 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
1576 | */ | |
1577 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, | |
1578 | bool, S_IRUGO); | |
1579 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
1580 | ||
1581 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); | |
1582 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
1583 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); | |
1584 | ||
1585 | module_param_named(power_save, iwlwifi_mod_params.power_save, | |
1586 | bool, S_IRUGO); | |
1587 | MODULE_PARM_DESC(power_save, | |
1588 | "enable WiFi power management (default: disable)"); | |
1589 | ||
1590 | module_param_named(power_level, iwlwifi_mod_params.power_level, | |
1591 | int, S_IRUGO); | |
1592 | MODULE_PARM_DESC(power_level, | |
1593 | "default power save level (range from 1 - 5, default: 1)"); | |
c2d20201 EG |
1594 | |
1595 | module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); | |
6d6a4751 | 1596 | MODULE_PARM_DESC(fw_monitor, |
c2d20201 | 1597 | "firmware monitor - to debug FW (default: false - needs lots of memory)"); |