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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. |
4203263d | 9 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
5ed47226 | 10 | * Copyright(c) 2016 Intel Deutschland GmbH |
5c58edc6 EG |
11 | * |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of version 2 of the GNU General Public License as | |
14 | * published by the Free Software Foundation. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
24 | * USA | |
25 | * | |
26 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 27 | * in the file called COPYING. |
5c58edc6 EG |
28 | * |
29 | * Contact Information: | |
cb2f8277 | 30 | * Intel Linux Wireless <linuxwifi@intel.com> |
5c58edc6 EG |
31 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
32 | * | |
33 | * BSD LICENSE | |
34 | * | |
51368bf7 | 35 | * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. |
4203263d | 36 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
5ed47226 | 37 | * Copyright(c) 2016 Intel Deutschland GmbH |
5c58edc6 EG |
38 | * All rights reserved. |
39 | * | |
40 | * Redistribution and use in source and binary forms, with or without | |
41 | * modification, are permitted provided that the following conditions | |
42 | * are met: | |
43 | * | |
44 | * * Redistributions of source code must retain the above copyright | |
45 | * notice, this list of conditions and the following disclaimer. | |
46 | * * Redistributions in binary form must reproduce the above copyright | |
47 | * notice, this list of conditions and the following disclaimer in | |
48 | * the documentation and/or other materials provided with the | |
49 | * distribution. | |
50 | * * Neither the name Intel Corporation nor the names of its | |
51 | * contributors may be used to endorse or promote products derived | |
52 | * from this software without specific prior written permission. | |
53 | * | |
54 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
55 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
56 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
57 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
58 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
59 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
60 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
61 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
62 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
63 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
64 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
65 | * | |
66 | *****************************************************************************/ | |
67 | #include <linux/completion.h> | |
15854ef9 JB |
68 | #include <linux/dma-mapping.h> |
69 | #include <linux/firmware.h> | |
70 | #include <linux/module.h> | |
83f84d7b | 71 | #include <linux/vmalloc.h> |
5c58edc6 EG |
72 | |
73 | #include "iwl-drv.h" | |
2bf65081 | 74 | #include "iwl-csr.h" |
c15797e6 | 75 | #include "iwl-debug.h" |
5c58edc6 | 76 | #include "iwl-trans.h" |
d0f76d68 | 77 | #include "iwl-op-mode.h" |
0cedacc5 | 78 | #include "iwl-agn-hw.h" |
6238b008 JB |
79 | #include "iwl-fw.h" |
80 | #include "iwl-config.h" | |
65de7e84 | 81 | #include "iwl-modparams.h" |
5c58edc6 | 82 | |
cc5f7e39 DF |
83 | /****************************************************************************** |
84 | * | |
85 | * module boiler plate | |
86 | * | |
87 | ******************************************************************************/ | |
88 | ||
cc5f7e39 | 89 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" |
cc5f7e39 | 90 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
cc5f7e39 DF |
91 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
92 | MODULE_LICENSE("GPL"); | |
93 | ||
9da987ac MV |
94 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
95 | static struct dentry *iwl_dbgfs_root; | |
96 | #endif | |
97 | ||
965974a6 JB |
98 | /** |
99 | * struct iwl_drv - drv common data | |
cc5f7e39 | 100 | * @list: list of drv structures using this opmode |
965974a6 | 101 | * @fw: the iwl_fw structure |
965974a6 | 102 | * @op_mode: the running op_mode |
68f360dc | 103 | * @trans: transport layer |
4b9844f5 | 104 | * @dev: for debug prints only |
68f360dc | 105 | * @cfg: configuration struct |
965974a6 JB |
106 | * @fw_index: firmware revision to try loading |
107 | * @firmware_name: composite filename of ucode file to load | |
108 | * @request_firmware_complete: the firmware has been obtained from user space | |
109 | */ | |
110 | struct iwl_drv { | |
cc5f7e39 | 111 | struct list_head list; |
965974a6 JB |
112 | struct iwl_fw fw; |
113 | ||
965974a6 | 114 | struct iwl_op_mode *op_mode; |
9130bab1 | 115 | struct iwl_trans *trans; |
4b9844f5 | 116 | struct device *dev; |
68f360dc | 117 | const struct iwl_cfg *cfg; |
965974a6 JB |
118 | |
119 | int fw_index; /* firmware we're trying to load */ | |
84b0312e | 120 | char firmware_name[32]; /* name of firmware file to load */ |
965974a6 JB |
121 | |
122 | struct completion request_firmware_complete; | |
9da987ac MV |
123 | |
124 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
125 | struct dentry *dbgfs_drv; | |
126 | struct dentry *dbgfs_trans; | |
127 | struct dentry *dbgfs_op_mode; | |
128 | #endif | |
965974a6 JB |
129 | }; |
130 | ||
8ca151b5 JB |
131 | enum { |
132 | DVM_OP_MODE = 0, | |
133 | MVM_OP_MODE = 1, | |
134 | }; | |
965974a6 | 135 | |
ff1ffb85 JB |
136 | /* Protects the table contents, i.e. the ops pointer & drv list */ |
137 | static struct mutex iwlwifi_opmode_table_mtx; | |
cc5f7e39 DF |
138 | static struct iwlwifi_opmode_table { |
139 | const char *name; /* name: iwldvm, iwlmvm, etc */ | |
140 | const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ | |
141 | struct list_head drv; /* list of devices using this op_mode */ | |
142 | } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ | |
8ca151b5 JB |
143 | [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, |
144 | [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, | |
cc5f7e39 | 145 | }; |
965974a6 | 146 | |
762533ba DS |
147 | #define IWL_DEFAULT_SCAN_CHANNELS 40 |
148 | ||
0cedacc5 | 149 | /* |
0d365ae5 | 150 | * struct fw_sec: Just for the image parsing process. |
0cedacc5 DS |
151 | * For the fw storage we are using struct fw_desc. |
152 | */ | |
153 | struct fw_sec { | |
154 | const void *data; /* the sec data */ | |
155 | size_t size; /* section size */ | |
156 | u32 offset; /* offset of writing in the device */ | |
157 | }; | |
158 | ||
965974a6 | 159 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
15854ef9 | 160 | { |
83f84d7b JB |
161 | vfree(desc->data); |
162 | desc->data = NULL; | |
15854ef9 JB |
163 | desc->len = 0; |
164 | } | |
165 | ||
965974a6 | 166 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
15854ef9 | 167 | { |
6dfa8d01 DS |
168 | int i; |
169 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
170 | iwl_free_fw_desc(drv, &img->sec[i]); | |
15854ef9 JB |
171 | } |
172 | ||
965974a6 | 173 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
15854ef9 | 174 | { |
6dfa8d01 | 175 | int i; |
490fefeb LK |
176 | |
177 | kfree(drv->fw.dbg_dest_tlv); | |
178 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) | |
179 | kfree(drv->fw.dbg_conf_tlv[i]); | |
d2709ad7 EG |
180 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) |
181 | kfree(drv->fw.dbg_trigger_tlv[i]); | |
490fefeb | 182 | |
6dfa8d01 DS |
183 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
184 | iwl_free_fw_img(drv, drv->fw.img + i); | |
15854ef9 JB |
185 | } |
186 | ||
965974a6 | 187 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
83f84d7b | 188 | struct fw_sec *sec) |
15854ef9 | 189 | { |
83f84d7b JB |
190 | void *data; |
191 | ||
192 | desc->data = NULL; | |
193 | ||
194 | if (!sec || !sec->size) | |
15854ef9 | 195 | return -EINVAL; |
15854ef9 | 196 | |
83f84d7b JB |
197 | data = vmalloc(sec->size); |
198 | if (!data) | |
15854ef9 JB |
199 | return -ENOMEM; |
200 | ||
0cedacc5 DS |
201 | desc->len = sec->size; |
202 | desc->offset = sec->offset; | |
83f84d7b JB |
203 | memcpy(data, sec->data, desc->len); |
204 | desc->data = data; | |
205 | ||
15854ef9 JB |
206 | return 0; |
207 | } | |
208 | ||
1c8e11e1 EG |
209 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, |
210 | void *context); | |
15854ef9 JB |
211 | |
212 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
213 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
214 | ||
965974a6 | 215 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
15854ef9 | 216 | { |
68f360dc | 217 | const char *name_pre = drv->cfg->fw_name_pre; |
15854ef9 JB |
218 | char tag[8]; |
219 | ||
220 | if (first) { | |
221 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
965974a6 | 222 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
15854ef9 | 223 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
965974a6 | 224 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 225 | #endif |
68f360dc | 226 | drv->fw_index = drv->cfg->ucode_api_max; |
965974a6 | 227 | sprintf(tag, "%d", drv->fw_index); |
15854ef9 | 228 | } else { |
965974a6 JB |
229 | drv->fw_index--; |
230 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 JB |
231 | } |
232 | ||
68f360dc | 233 | if (drv->fw_index < drv->cfg->ucode_api_min) { |
965974a6 | 234 | IWL_ERR(drv, "no suitable firmware found!\n"); |
15854ef9 JB |
235 | return -ENOENT; |
236 | } | |
237 | ||
84b0312e LK |
238 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", |
239 | name_pre, tag); | |
15854ef9 | 240 | |
2bf65081 LK |
241 | /* |
242 | * Starting 8000B - FW name format has changed. This overwrites the | |
243 | * previous name and uses the new format. | |
244 | */ | |
245 | if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { | |
5dd9c68a | 246 | char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev); |
2bf65081 | 247 | |
7e502e5b OG |
248 | if (rev_step != 'A') |
249 | snprintf(drv->firmware_name, | |
250 | sizeof(drv->firmware_name), "%s%c-%s.ucode", | |
251 | name_pre, rev_step, tag); | |
2bf65081 LK |
252 | } |
253 | ||
965974a6 JB |
254 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
255 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
15854ef9 | 256 | ? "EXPERIMENTAL " : "", |
965974a6 | 257 | drv->firmware_name); |
15854ef9 | 258 | |
965974a6 | 259 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
93faaeea | 260 | drv->trans->dev, |
1c8e11e1 | 261 | GFP_KERNEL, drv, iwl_req_fw_callback); |
15854ef9 JB |
262 | } |
263 | ||
0cedacc5 | 264 | struct fw_img_parsing { |
6dfa8d01 | 265 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
0cedacc5 DS |
266 | int sec_counter; |
267 | }; | |
268 | ||
ed8c8365 DS |
269 | /* |
270 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
271 | */ | |
272 | struct fw_sec_parsing { | |
273 | __le32 offset; | |
274 | const u8 data[]; | |
275 | } __packed; | |
276 | ||
277 | /** | |
278 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
279 | * | |
280 | * @ucode_type: the uCode to which the following default calib relates. | |
281 | * @calib: default calibrations. | |
282 | */ | |
283 | struct iwl_tlv_calib_data { | |
284 | __le32 ucode_type; | |
aa2b1770 | 285 | struct iwl_tlv_calib_ctrl calib; |
ed8c8365 DS |
286 | } __packed; |
287 | ||
0cedacc5 DS |
288 | struct iwl_firmware_pieces { |
289 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
15854ef9 JB |
290 | |
291 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
292 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
490fefeb LK |
293 | |
294 | /* FW debug data parsed for driver usage */ | |
295 | struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; | |
d2709ad7 EG |
296 | struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; |
297 | size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; | |
298 | struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; | |
299 | size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; | |
15854ef9 JB |
300 | }; |
301 | ||
0cedacc5 DS |
302 | /* |
303 | * These functions are just to extract uCode section data from the pieces | |
304 | * structure. | |
305 | */ | |
306 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
307 | enum iwl_ucode_type type, | |
308 | int sec) | |
309 | { | |
310 | return &pieces->img[type].sec[sec]; | |
311 | } | |
312 | ||
313 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
314 | enum iwl_ucode_type type, | |
315 | int sec, | |
316 | const void *data) | |
317 | { | |
318 | pieces->img[type].sec[sec].data = data; | |
319 | } | |
320 | ||
321 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
322 | enum iwl_ucode_type type, | |
323 | int sec, | |
324 | size_t size) | |
325 | { | |
326 | pieces->img[type].sec[sec].size = size; | |
327 | } | |
328 | ||
329 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
330 | enum iwl_ucode_type type, | |
331 | int sec) | |
332 | { | |
333 | return pieces->img[type].sec[sec].size; | |
334 | } | |
335 | ||
336 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
337 | enum iwl_ucode_type type, | |
338 | int sec, | |
339 | u32 offset) | |
340 | { | |
341 | pieces->img[type].sec[sec].offset = offset; | |
342 | } | |
343 | ||
e36e5433 MS |
344 | static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) |
345 | { | |
346 | int i, j; | |
347 | struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; | |
348 | struct iwl_fw_cipher_scheme *fwcs; | |
349 | struct ieee80211_cipher_scheme *cs; | |
350 | u32 cipher; | |
351 | ||
352 | if (len < sizeof(*l) || | |
353 | len < sizeof(l->size) + l->size * sizeof(l->cs[0])) | |
354 | return -EINVAL; | |
355 | ||
356 | for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { | |
357 | fwcs = &l->cs[j]; | |
358 | cipher = le32_to_cpu(fwcs->cipher); | |
359 | ||
360 | /* we skip schemes with zero cipher suite selector */ | |
361 | if (!cipher) | |
362 | continue; | |
363 | ||
364 | cs = &fw->cs[j++]; | |
365 | cs->cipher = cipher; | |
366 | cs->iftype = BIT(NL80211_IFTYPE_STATION); | |
367 | cs->hdr_len = fwcs->hdr_len; | |
368 | cs->pn_len = fwcs->pn_len; | |
369 | cs->pn_off = fwcs->pn_off; | |
370 | cs->key_idx_off = fwcs->key_idx_off; | |
371 | cs->key_idx_mask = fwcs->key_idx_mask; | |
372 | cs->key_idx_shift = fwcs->key_idx_shift; | |
373 | cs->mic_len = fwcs->mic_len; | |
374 | } | |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
5ed47226 AB |
379 | static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data, |
380 | const u32 len) | |
17564dde AS |
381 | { |
382 | struct iwl_fw_gscan_capabilities *fw_capa = (void *)data; | |
383 | struct iwl_gscan_capabilities *capa = &fw->gscan_capa; | |
384 | ||
17564dde AS |
385 | capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size); |
386 | capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets); | |
387 | capa->max_ap_cache_per_scan = | |
388 | le32_to_cpu(fw_capa->max_ap_cache_per_scan); | |
389 | capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size); | |
390 | capa->max_scan_reporting_threshold = | |
391 | le32_to_cpu(fw_capa->max_scan_reporting_threshold); | |
392 | capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps); | |
393 | capa->max_significant_change_aps = | |
394 | le32_to_cpu(fw_capa->max_significant_change_aps); | |
395 | capa->max_bssid_history_entries = | |
396 | le32_to_cpu(fw_capa->max_bssid_history_entries); | |
5ed47226 AB |
397 | capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids); |
398 | capa->max_number_epno_networks = | |
399 | le32_to_cpu(fw_capa->max_number_epno_networks); | |
400 | capa->max_number_epno_networks_by_ssid = | |
401 | le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid); | |
402 | capa->max_number_of_white_listed_ssid = | |
403 | le32_to_cpu(fw_capa->max_number_of_white_listed_ssid); | |
404 | capa->max_number_of_black_listed_ssid = | |
405 | le32_to_cpu(fw_capa->max_number_of_black_listed_ssid); | |
17564dde AS |
406 | } |
407 | ||
ed8c8365 DS |
408 | /* |
409 | * Gets uCode section from tlv. | |
410 | */ | |
411 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
412 | const void *data, enum iwl_ucode_type type, | |
413 | int size) | |
414 | { | |
415 | struct fw_img_parsing *img; | |
416 | struct fw_sec *sec; | |
417 | struct fw_sec_parsing *sec_parse; | |
418 | ||
419 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
420 | return -1; | |
421 | ||
422 | sec_parse = (struct fw_sec_parsing *)data; | |
423 | ||
424 | img = &pieces->img[type]; | |
425 | sec = &img->sec[img->sec_counter]; | |
426 | ||
427 | sec->offset = le32_to_cpu(sec_parse->offset); | |
428 | sec->data = sec_parse->data; | |
1176f431 | 429 | sec->size = size - sizeof(sec_parse->offset); |
ed8c8365 DS |
430 | |
431 | ++img->sec_counter; | |
432 | ||
433 | return 0; | |
434 | } | |
435 | ||
436 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
437 | { | |
438 | struct iwl_tlv_calib_data *def_calib = | |
439 | (struct iwl_tlv_calib_data *)data; | |
440 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
441 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
442 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
443 | ucode_type); | |
444 | return -EINVAL; | |
445 | } | |
aa2b1770 JB |
446 | drv->fw.default_calib[ucode_type].flow_trigger = |
447 | def_calib->calib.flow_trigger; | |
448 | drv->fw.default_calib[ucode_type].event_trigger = | |
449 | def_calib->calib.event_trigger; | |
450 | ||
ed8c8365 DS |
451 | return 0; |
452 | } | |
453 | ||
a2978b11 EH |
454 | static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, |
455 | struct iwl_ucode_capabilities *capa) | |
456 | { | |
457 | const struct iwl_ucode_api *ucode_api = (void *)data; | |
458 | u32 api_index = le32_to_cpu(ucode_api->api_index); | |
859d914c JB |
459 | u32 api_flags = le32_to_cpu(ucode_api->api_flags); |
460 | int i; | |
a2978b11 | 461 | |
d3f555f4 | 462 | if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { |
20f4d39a JB |
463 | IWL_ERR(drv, |
464 | "api flags index %d larger than supported by driver\n", | |
465 | api_index); | |
859d914c JB |
466 | /* don't return an error so we can load FW that has more bits */ |
467 | return 0; | |
a2978b11 EH |
468 | } |
469 | ||
859d914c JB |
470 | for (i = 0; i < 32; i++) { |
471 | if (api_flags & BIT(i)) | |
472 | __set_bit(i + 32 * api_index, capa->_api); | |
473 | } | |
a2978b11 EH |
474 | |
475 | return 0; | |
476 | } | |
477 | ||
478 | static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, | |
479 | struct iwl_ucode_capabilities *capa) | |
480 | { | |
481 | const struct iwl_ucode_capa *ucode_capa = (void *)data; | |
482 | u32 api_index = le32_to_cpu(ucode_capa->api_index); | |
859d914c JB |
483 | u32 api_flags = le32_to_cpu(ucode_capa->api_capa); |
484 | int i; | |
a2978b11 | 485 | |
d3f555f4 | 486 | if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { |
20f4d39a JB |
487 | IWL_ERR(drv, |
488 | "capa flags index %d larger than supported by driver\n", | |
489 | api_index); | |
859d914c JB |
490 | /* don't return an error so we can load FW that has more bits */ |
491 | return 0; | |
a2978b11 EH |
492 | } |
493 | ||
859d914c JB |
494 | for (i = 0; i < 32; i++) { |
495 | if (api_flags & BIT(i)) | |
496 | __set_bit(i + 32 * api_index, capa->_capa); | |
497 | } | |
a2978b11 EH |
498 | |
499 | return 0; | |
500 | } | |
501 | ||
965974a6 | 502 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
0cedacc5 DS |
503 | const struct firmware *ucode_raw, |
504 | struct iwl_firmware_pieces *pieces) | |
15854ef9 JB |
505 | { |
506 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
507 | u32 api_ver, hdr_size, build; | |
508 | char buildstr[25]; | |
509 | const u8 *src; | |
510 | ||
965974a6 JB |
511 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
512 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
513 | |
514 | switch (api_ver) { | |
515 | default: | |
516 | hdr_size = 28; | |
517 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 518 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
519 | return -EINVAL; |
520 | } | |
521 | build = le32_to_cpu(ucode->u.v2.build); | |
0cedacc5 DS |
522 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
523 | le32_to_cpu(ucode->u.v2.inst_size)); | |
524 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
525 | le32_to_cpu(ucode->u.v2.data_size)); | |
526 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
527 | le32_to_cpu(ucode->u.v2.init_size)); | |
528 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
529 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
15854ef9 JB |
530 | src = ucode->u.v2.data; |
531 | break; | |
532 | case 0: | |
533 | case 1: | |
534 | case 2: | |
535 | hdr_size = 24; | |
536 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 537 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
538 | return -EINVAL; |
539 | } | |
540 | build = 0; | |
0cedacc5 DS |
541 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
542 | le32_to_cpu(ucode->u.v1.inst_size)); | |
543 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
544 | le32_to_cpu(ucode->u.v1.data_size)); | |
545 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
546 | le32_to_cpu(ucode->u.v1.init_size)); | |
547 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
548 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
15854ef9 JB |
549 | src = ucode->u.v1.data; |
550 | break; | |
551 | } | |
552 | ||
553 | if (build) | |
554 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 555 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
556 | ? " (EXP)" : ""); |
557 | else | |
558 | buildstr[0] = '\0'; | |
559 | ||
965974a6 JB |
560 | snprintf(drv->fw.fw_version, |
561 | sizeof(drv->fw.fw_version), | |
15854ef9 | 562 | "%u.%u.%u.%u%s", |
965974a6 JB |
563 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
564 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
565 | IWL_UCODE_API(drv->fw.ucode_ver), | |
566 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
567 | buildstr); |
568 | ||
569 | /* Verify size of file vs. image size info in file's header */ | |
0cedacc5 DS |
570 | |
571 | if (ucode_raw->size != hdr_size + | |
572 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
573 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
574 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
575 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
15854ef9 | 576 | |
965974a6 | 577 | IWL_ERR(drv, |
15854ef9 JB |
578 | "uCode file size %d does not match expected size\n", |
579 | (int)ucode_raw->size); | |
580 | return -EINVAL; | |
581 | } | |
582 | ||
15854ef9 | 583 | |
0cedacc5 DS |
584 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
585 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
586 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
587 | IWLAGN_RTC_INST_LOWER_BOUND); | |
588 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
589 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
590 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
591 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
592 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
593 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
594 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
595 | IWLAGN_RTC_INST_LOWER_BOUND); | |
596 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
597 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
598 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
599 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
600 | return 0; |
601 | } | |
602 | ||
965974a6 | 603 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
15854ef9 | 604 | const struct firmware *ucode_raw, |
0cedacc5 | 605 | struct iwl_firmware_pieces *pieces, |
e6eb8ca9 GBA |
606 | struct iwl_ucode_capabilities *capa, |
607 | bool *usniffer_images) | |
15854ef9 JB |
608 | { |
609 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
610 | struct iwl_ucode_tlv *tlv; | |
611 | size_t len = ucode_raw->size; | |
612 | const u8 *data; | |
15854ef9 | 613 | u32 tlv_len; |
a6c4fb44 | 614 | u32 usniffer_img; |
15854ef9 JB |
615 | enum iwl_ucode_tlv_type tlv_type; |
616 | const u8 *tlv_data; | |
617 | char buildstr[25]; | |
a6c4fb44 | 618 | u32 build, paging_mem_size; |
e2d6f4e7 | 619 | int num_of_cpus; |
61df750c | 620 | bool usniffer_req = false; |
17564dde | 621 | bool gscan_capa = false; |
15854ef9 JB |
622 | |
623 | if (len < sizeof(*ucode)) { | |
965974a6 | 624 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
15854ef9 JB |
625 | return -EINVAL; |
626 | } | |
627 | ||
628 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
965974a6 | 629 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
15854ef9 JB |
630 | le32_to_cpu(ucode->magic)); |
631 | return -EINVAL; | |
632 | } | |
633 | ||
965974a6 | 634 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
06ddbf5a EG |
635 | memcpy(drv->fw.human_readable, ucode->human_readable, |
636 | sizeof(drv->fw.human_readable)); | |
15854ef9 JB |
637 | build = le32_to_cpu(ucode->build); |
638 | ||
639 | if (build) | |
640 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 641 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
642 | ? " (EXP)" : ""); |
643 | else | |
644 | buildstr[0] = '\0'; | |
645 | ||
965974a6 JB |
646 | snprintf(drv->fw.fw_version, |
647 | sizeof(drv->fw.fw_version), | |
15854ef9 | 648 | "%u.%u.%u.%u%s", |
965974a6 JB |
649 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
650 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
651 | IWL_UCODE_API(drv->fw.ucode_ver), | |
652 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
653 | buildstr); |
654 | ||
655 | data = ucode->data; | |
656 | ||
657 | len -= sizeof(*ucode); | |
658 | ||
659 | while (len >= sizeof(*tlv)) { | |
15854ef9 JB |
660 | len -= sizeof(*tlv); |
661 | tlv = (void *)data; | |
662 | ||
663 | tlv_len = le32_to_cpu(tlv->length); | |
0479c19d | 664 | tlv_type = le32_to_cpu(tlv->type); |
15854ef9 JB |
665 | tlv_data = tlv->data; |
666 | ||
667 | if (len < tlv_len) { | |
965974a6 | 668 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
15854ef9 JB |
669 | len, tlv_len); |
670 | return -EINVAL; | |
671 | } | |
672 | len -= ALIGN(tlv_len, 4); | |
673 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
674 | ||
15854ef9 JB |
675 | switch (tlv_type) { |
676 | case IWL_UCODE_TLV_INST: | |
0cedacc5 DS |
677 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
678 | IWL_UCODE_SECTION_INST, tlv_data); | |
679 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
680 | IWL_UCODE_SECTION_INST, tlv_len); | |
681 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
682 | IWL_UCODE_SECTION_INST, | |
683 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
684 | break; |
685 | case IWL_UCODE_TLV_DATA: | |
0cedacc5 DS |
686 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
687 | IWL_UCODE_SECTION_DATA, tlv_data); | |
688 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
689 | IWL_UCODE_SECTION_DATA, tlv_len); | |
690 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
691 | IWL_UCODE_SECTION_DATA, | |
692 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
693 | break; |
694 | case IWL_UCODE_TLV_INIT: | |
0cedacc5 DS |
695 | set_sec_data(pieces, IWL_UCODE_INIT, |
696 | IWL_UCODE_SECTION_INST, tlv_data); | |
697 | set_sec_size(pieces, IWL_UCODE_INIT, | |
698 | IWL_UCODE_SECTION_INST, tlv_len); | |
699 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
700 | IWL_UCODE_SECTION_INST, | |
701 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
702 | break; |
703 | case IWL_UCODE_TLV_INIT_DATA: | |
0cedacc5 DS |
704 | set_sec_data(pieces, IWL_UCODE_INIT, |
705 | IWL_UCODE_SECTION_DATA, tlv_data); | |
706 | set_sec_size(pieces, IWL_UCODE_INIT, | |
707 | IWL_UCODE_SECTION_DATA, tlv_len); | |
708 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
709 | IWL_UCODE_SECTION_DATA, | |
710 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
711 | break; |
712 | case IWL_UCODE_TLV_BOOT: | |
965974a6 | 713 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
15854ef9 JB |
714 | break; |
715 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
716 | if (tlv_len != sizeof(u32)) | |
717 | goto invalid_tlv_len; | |
718 | capa->max_probe_length = | |
719 | le32_to_cpup((__le32 *)tlv_data); | |
720 | break; | |
721 | case IWL_UCODE_TLV_PAN: | |
722 | if (tlv_len) | |
723 | goto invalid_tlv_len; | |
724 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
725 | break; | |
726 | case IWL_UCODE_TLV_FLAGS: | |
727 | /* must be at least one u32 */ | |
728 | if (tlv_len < sizeof(u32)) | |
729 | goto invalid_tlv_len; | |
730 | /* and a proper number of u32s */ | |
731 | if (tlv_len % sizeof(u32)) | |
732 | goto invalid_tlv_len; | |
733 | /* | |
734 | * This driver only reads the first u32 as | |
735 | * right now no more features are defined, | |
736 | * if that changes then either the driver | |
737 | * will not work with the new firmware, or | |
738 | * it'll not take advantage of new features. | |
739 | */ | |
740 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
741 | break; | |
a2978b11 EH |
742 | case IWL_UCODE_TLV_API_CHANGES_SET: |
743 | if (tlv_len != sizeof(struct iwl_ucode_api)) | |
744 | goto invalid_tlv_len; | |
745 | if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) | |
746 | goto tlv_error; | |
747 | break; | |
748 | case IWL_UCODE_TLV_ENABLED_CAPABILITIES: | |
749 | if (tlv_len != sizeof(struct iwl_ucode_capa)) | |
750 | goto invalid_tlv_len; | |
751 | if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) | |
752 | goto tlv_error; | |
753 | break; | |
15854ef9 JB |
754 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
755 | if (tlv_len != sizeof(u32)) | |
756 | goto invalid_tlv_len; | |
757 | pieces->init_evtlog_ptr = | |
758 | le32_to_cpup((__le32 *)tlv_data); | |
759 | break; | |
760 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
761 | if (tlv_len != sizeof(u32)) | |
762 | goto invalid_tlv_len; | |
763 | pieces->init_evtlog_size = | |
764 | le32_to_cpup((__le32 *)tlv_data); | |
765 | break; | |
766 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
767 | if (tlv_len != sizeof(u32)) | |
768 | goto invalid_tlv_len; | |
769 | pieces->init_errlog_ptr = | |
770 | le32_to_cpup((__le32 *)tlv_data); | |
771 | break; | |
772 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
773 | if (tlv_len != sizeof(u32)) | |
774 | goto invalid_tlv_len; | |
775 | pieces->inst_evtlog_ptr = | |
776 | le32_to_cpup((__le32 *)tlv_data); | |
777 | break; | |
778 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
779 | if (tlv_len != sizeof(u32)) | |
780 | goto invalid_tlv_len; | |
781 | pieces->inst_evtlog_size = | |
782 | le32_to_cpup((__le32 *)tlv_data); | |
783 | break; | |
784 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
785 | if (tlv_len != sizeof(u32)) | |
786 | goto invalid_tlv_len; | |
787 | pieces->inst_errlog_ptr = | |
788 | le32_to_cpup((__le32 *)tlv_data); | |
789 | break; | |
790 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
791 | if (tlv_len) | |
792 | goto invalid_tlv_len; | |
965974a6 | 793 | drv->fw.enhance_sensitivity_table = true; |
15854ef9 JB |
794 | break; |
795 | case IWL_UCODE_TLV_WOWLAN_INST: | |
0cedacc5 DS |
796 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
797 | IWL_UCODE_SECTION_INST, tlv_data); | |
798 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
799 | IWL_UCODE_SECTION_INST, tlv_len); | |
800 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
801 | IWL_UCODE_SECTION_INST, | |
802 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
803 | break; |
804 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
0cedacc5 DS |
805 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
806 | IWL_UCODE_SECTION_DATA, tlv_data); | |
807 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
808 | IWL_UCODE_SECTION_DATA, tlv_len); | |
809 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
810 | IWL_UCODE_SECTION_DATA, | |
811 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
812 | break; |
813 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
814 | if (tlv_len != sizeof(u32)) | |
815 | goto invalid_tlv_len; | |
816 | capa->standard_phy_calibration_size = | |
817 | le32_to_cpup((__le32 *)tlv_data); | |
818 | break; | |
ed8c8365 DS |
819 | case IWL_UCODE_TLV_SEC_RT: |
820 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
821 | tlv_len); | |
4db2c9ae | 822 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
823 | break; |
824 | case IWL_UCODE_TLV_SEC_INIT: | |
825 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
826 | tlv_len); | |
4db2c9ae | 827 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
828 | break; |
829 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
830 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
831 | tlv_len); | |
4db2c9ae | 832 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
833 | break; |
834 | case IWL_UCODE_TLV_DEF_CALIB: | |
835 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
836 | goto invalid_tlv_len; | |
837 | if (iwl_set_default_calib(drv, tlv_data)) | |
838 | goto tlv_error; | |
839 | break; | |
840 | case IWL_UCODE_TLV_PHY_SKU: | |
841 | if (tlv_len != sizeof(u32)) | |
842 | goto invalid_tlv_len; | |
843 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
77db0a3c EH |
844 | drv->fw.valid_tx_ant = (drv->fw.phy_config & |
845 | FW_PHY_CFG_TX_CHAIN) >> | |
846 | FW_PHY_CFG_TX_CHAIN_POS; | |
847 | drv->fw.valid_rx_ant = (drv->fw.phy_config & | |
848 | FW_PHY_CFG_RX_CHAIN) >> | |
849 | FW_PHY_CFG_RX_CHAIN_POS; | |
ed8c8365 | 850 | break; |
e2d6f4e7 EH |
851 | case IWL_UCODE_TLV_SECURE_SEC_RT: |
852 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
853 | tlv_len); | |
854 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
855 | break; |
856 | case IWL_UCODE_TLV_SECURE_SEC_INIT: | |
857 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
858 | tlv_len); | |
859 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
860 | break; |
861 | case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: | |
862 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
863 | tlv_len); | |
864 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
865 | break; |
866 | case IWL_UCODE_TLV_NUM_OF_CPU: | |
867 | if (tlv_len != sizeof(u32)) | |
868 | goto invalid_tlv_len; | |
869 | num_of_cpus = | |
870 | le32_to_cpup((__le32 *)tlv_data); | |
871 | ||
872 | if (num_of_cpus == 2) { | |
873 | drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = | |
874 | true; | |
875 | drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = | |
876 | true; | |
877 | drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = | |
878 | true; | |
879 | } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { | |
880 | IWL_ERR(drv, "Driver support upto 2 CPUs\n"); | |
881 | return -EINVAL; | |
882 | } | |
883 | break; | |
e36e5433 MS |
884 | case IWL_UCODE_TLV_CSCHEME: |
885 | if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) | |
886 | goto invalid_tlv_len; | |
887 | break; | |
762533ba DS |
888 | case IWL_UCODE_TLV_N_SCAN_CHANNELS: |
889 | if (tlv_len != sizeof(u32)) | |
890 | goto invalid_tlv_len; | |
891 | capa->n_scan_channels = | |
892 | le32_to_cpup((__le32 *)tlv_data); | |
893 | break; | |
7e1223b5 EG |
894 | case IWL_UCODE_TLV_FW_VERSION: { |
895 | __le32 *ptr = (void *)tlv_data; | |
896 | u32 major, minor; | |
897 | u8 local_comp; | |
898 | ||
899 | if (tlv_len != sizeof(u32) * 3) | |
900 | goto invalid_tlv_len; | |
901 | ||
902 | major = le32_to_cpup(ptr++); | |
903 | minor = le32_to_cpup(ptr++); | |
904 | local_comp = le32_to_cpup(ptr); | |
905 | ||
906 | snprintf(drv->fw.fw_version, | |
907 | sizeof(drv->fw.fw_version), "%u.%u.%u", | |
908 | major, minor, local_comp); | |
909 | break; | |
910 | } | |
490fefeb LK |
911 | case IWL_UCODE_TLV_FW_DBG_DEST: { |
912 | struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; | |
913 | ||
914 | if (pieces->dbg_dest_tlv) { | |
915 | IWL_ERR(drv, | |
916 | "dbg destination ignored, already exists\n"); | |
917 | break; | |
918 | } | |
919 | ||
920 | pieces->dbg_dest_tlv = dest; | |
921 | IWL_INFO(drv, "Found debug destination: %s\n", | |
922 | get_fw_dbg_mode_string(dest->monitor_mode)); | |
923 | ||
924 | drv->fw.dbg_dest_reg_num = | |
925 | tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, | |
926 | reg_ops); | |
927 | drv->fw.dbg_dest_reg_num /= | |
928 | sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); | |
929 | ||
930 | break; | |
931 | } | |
932 | case IWL_UCODE_TLV_FW_DBG_CONF: { | |
933 | struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; | |
934 | ||
935 | if (!pieces->dbg_dest_tlv) { | |
936 | IWL_ERR(drv, | |
937 | "Ignore dbg config %d - no destination configured\n", | |
938 | conf->id); | |
939 | break; | |
940 | } | |
941 | ||
942 | if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { | |
943 | IWL_ERR(drv, | |
944 | "Skip unknown configuration: %d\n", | |
945 | conf->id); | |
946 | break; | |
947 | } | |
948 | ||
949 | if (pieces->dbg_conf_tlv[conf->id]) { | |
950 | IWL_ERR(drv, | |
951 | "Ignore duplicate dbg config %d\n", | |
952 | conf->id); | |
953 | break; | |
954 | } | |
955 | ||
61df750c EH |
956 | if (conf->usniffer) |
957 | usniffer_req = true; | |
958 | ||
490fefeb LK |
959 | IWL_INFO(drv, "Found debug configuration: %d\n", |
960 | conf->id); | |
961 | ||
962 | pieces->dbg_conf_tlv[conf->id] = conf; | |
963 | pieces->dbg_conf_tlv_len[conf->id] = tlv_len; | |
964 | break; | |
965 | } | |
d2709ad7 EG |
966 | case IWL_UCODE_TLV_FW_DBG_TRIGGER: { |
967 | struct iwl_fw_dbg_trigger_tlv *trigger = | |
968 | (void *)tlv_data; | |
969 | u32 trigger_id = le32_to_cpu(trigger->id); | |
970 | ||
971 | if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { | |
972 | IWL_ERR(drv, | |
973 | "Skip unknown trigger: %u\n", | |
974 | trigger->id); | |
975 | break; | |
976 | } | |
977 | ||
978 | if (pieces->dbg_trigger_tlv[trigger_id]) { | |
979 | IWL_ERR(drv, | |
980 | "Ignore duplicate dbg trigger %u\n", | |
981 | trigger->id); | |
982 | break; | |
983 | } | |
984 | ||
985 | IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); | |
986 | ||
987 | pieces->dbg_trigger_tlv[trigger_id] = trigger; | |
988 | pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; | |
989 | break; | |
990 | } | |
61df750c | 991 | case IWL_UCODE_TLV_SEC_RT_USNIFFER: |
e6eb8ca9 | 992 | *usniffer_images = true; |
61df750c EH |
993 | iwl_store_ucode_sec(pieces, tlv_data, |
994 | IWL_UCODE_REGULAR_USNIFFER, | |
995 | tlv_len); | |
996 | break; | |
a6c4fb44 MG |
997 | case IWL_UCODE_TLV_PAGING: |
998 | if (tlv_len != sizeof(u32)) | |
999 | goto invalid_tlv_len; | |
1000 | paging_mem_size = le32_to_cpup((__le32 *)tlv_data); | |
1001 | ||
1002 | IWL_DEBUG_FW(drv, | |
1003 | "Paging: paging enabled (size = %u bytes)\n", | |
1004 | paging_mem_size); | |
1005 | ||
1006 | if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { | |
1007 | IWL_ERR(drv, | |
1008 | "Paging: driver supports up to %lu bytes for paging image\n", | |
1009 | MAX_PAGING_IMAGE_SIZE); | |
1010 | return -EINVAL; | |
1011 | } | |
1012 | ||
1013 | if (paging_mem_size & (FW_PAGING_SIZE - 1)) { | |
1014 | IWL_ERR(drv, | |
1015 | "Paging: image isn't multiple %lu\n", | |
1016 | FW_PAGING_SIZE); | |
1017 | return -EINVAL; | |
1018 | } | |
1019 | ||
1020 | drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = | |
1021 | paging_mem_size; | |
1022 | usniffer_img = IWL_UCODE_REGULAR_USNIFFER; | |
1023 | drv->fw.img[usniffer_img].paging_mem_size = | |
1024 | paging_mem_size; | |
1025 | break; | |
b4821767 LK |
1026 | case IWL_UCODE_TLV_SDIO_ADMA_ADDR: |
1027 | if (tlv_len != sizeof(u32)) | |
1028 | goto invalid_tlv_len; | |
1029 | drv->fw.sdio_adma_addr = | |
1030 | le32_to_cpup((__le32 *)tlv_data); | |
1031 | break; | |
17564dde | 1032 | case IWL_UCODE_TLV_FW_GSCAN_CAPA: |
5ed47226 AB |
1033 | /* |
1034 | * Don't return an error in case of a shorter tlv_len | |
1035 | * to enable loading of FW that has an old format | |
1036 | * of GSCAN capabilities TLV. | |
1037 | */ | |
1038 | if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities)) | |
1039 | break; | |
1040 | ||
1041 | iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len); | |
17564dde AS |
1042 | gscan_capa = true; |
1043 | break; | |
15854ef9 | 1044 | default: |
965974a6 | 1045 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
15854ef9 JB |
1046 | break; |
1047 | } | |
1048 | } | |
1049 | ||
3d2d4422 GBA |
1050 | if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && |
1051 | usniffer_req && !*usniffer_images) { | |
61df750c EH |
1052 | IWL_ERR(drv, |
1053 | "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); | |
1054 | return -EINVAL; | |
1055 | } | |
1056 | ||
15854ef9 | 1057 | if (len) { |
965974a6 JB |
1058 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
1059 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
15854ef9 JB |
1060 | return -EINVAL; |
1061 | } | |
1062 | ||
a0b09f13 AB |
1063 | /* |
1064 | * If ucode advertises that it supports GSCAN but GSCAN | |
1065 | * capabilities TLV is not present, or if it has an old format, | |
1066 | * warn and continue without GSCAN. | |
1067 | */ | |
1068 | if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && | |
1069 | !gscan_capa) { | |
1070 | IWL_DEBUG_INFO(drv, | |
1071 | "GSCAN is supported but capabilities TLV is unavailable\n"); | |
17564dde AS |
1072 | __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, |
1073 | capa->_capa); | |
a0b09f13 | 1074 | } |
17564dde | 1075 | |
15854ef9 JB |
1076 | return 0; |
1077 | ||
1078 | invalid_tlv_len: | |
965974a6 | 1079 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
ed8c8365 | 1080 | tlv_error: |
965974a6 | 1081 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
15854ef9 JB |
1082 | |
1083 | return -EINVAL; | |
1084 | } | |
1085 | ||
75813bde JB |
1086 | static int iwl_alloc_ucode(struct iwl_drv *drv, |
1087 | struct iwl_firmware_pieces *pieces, | |
1088 | enum iwl_ucode_type type) | |
6dfa8d01 DS |
1089 | { |
1090 | int i; | |
1091 | for (i = 0; | |
1092 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
1093 | i++) | |
1094 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
75813bde JB |
1095 | get_sec(pieces, type, i))) |
1096 | return -ENOMEM; | |
6dfa8d01 DS |
1097 | return 0; |
1098 | } | |
1099 | ||
1100 | static int validate_sec_sizes(struct iwl_drv *drv, | |
1101 | struct iwl_firmware_pieces *pieces, | |
1102 | const struct iwl_cfg *cfg) | |
1103 | { | |
1104 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
1105 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1106 | IWL_UCODE_SECTION_INST)); | |
1107 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
1108 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
1109 | IWL_UCODE_SECTION_DATA)); | |
1110 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
1111 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
1112 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
1113 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
1114 | ||
1115 | /* Verify that uCode images will fit in card's SRAM. */ | |
1116 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
e70fe7eb | 1117 | cfg->max_inst_size) { |
6dfa8d01 DS |
1118 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", |
1119 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
e70fe7eb | 1120 | IWL_UCODE_SECTION_INST)); |
6dfa8d01 DS |
1121 | return -1; |
1122 | } | |
1123 | ||
1124 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
e70fe7eb | 1125 | cfg->max_data_size) { |
6dfa8d01 DS |
1126 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", |
1127 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
e70fe7eb | 1128 | IWL_UCODE_SECTION_DATA)); |
6dfa8d01 DS |
1129 | return -1; |
1130 | } | |
1131 | ||
e70fe7eb EG |
1132 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > |
1133 | cfg->max_inst_size) { | |
6dfa8d01 DS |
1134 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", |
1135 | get_sec_size(pieces, IWL_UCODE_INIT, | |
e70fe7eb | 1136 | IWL_UCODE_SECTION_INST)); |
6dfa8d01 DS |
1137 | return -1; |
1138 | } | |
1139 | ||
1140 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
e70fe7eb | 1141 | cfg->max_data_size) { |
6dfa8d01 DS |
1142 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", |
1143 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
e70fe7eb | 1144 | IWL_UCODE_SECTION_DATA)); |
6dfa8d01 DS |
1145 | return -1; |
1146 | } | |
1147 | return 0; | |
1148 | } | |
1149 | ||
9da987ac MV |
1150 | static struct iwl_op_mode * |
1151 | _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) | |
1152 | { | |
1153 | const struct iwl_op_mode_ops *ops = op->ops; | |
1154 | struct dentry *dbgfs_dir = NULL; | |
1155 | struct iwl_op_mode *op_mode = NULL; | |
1156 | ||
1157 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1158 | drv->dbgfs_op_mode = debugfs_create_dir(op->name, | |
1159 | drv->dbgfs_drv); | |
1160 | if (!drv->dbgfs_op_mode) { | |
1161 | IWL_ERR(drv, | |
1162 | "failed to create opmode debugfs directory\n"); | |
1163 | return op_mode; | |
1164 | } | |
1165 | dbgfs_dir = drv->dbgfs_op_mode; | |
1166 | #endif | |
1167 | ||
1168 | op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir); | |
1169 | ||
1170 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1171 | if (!op_mode) { | |
1172 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1173 | drv->dbgfs_op_mode = NULL; | |
1174 | } | |
1175 | #endif | |
1176 | ||
1177 | return op_mode; | |
1178 | } | |
1179 | ||
1180 | static void _iwl_op_mode_stop(struct iwl_drv *drv) | |
1181 | { | |
1182 | /* op_mode can be NULL if its start failed */ | |
1183 | if (drv->op_mode) { | |
1184 | iwl_op_mode_stop(drv->op_mode); | |
1185 | drv->op_mode = NULL; | |
1186 | ||
1187 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1188 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1189 | drv->dbgfs_op_mode = NULL; | |
1190 | #endif | |
1191 | } | |
1192 | } | |
1193 | ||
15854ef9 | 1194 | /** |
1c8e11e1 | 1195 | * iwl_req_fw_callback - callback when firmware was loaded |
15854ef9 JB |
1196 | * |
1197 | * If loaded successfully, copies the firmware into buffers | |
1198 | * for the card to fetch (via DMA). | |
1199 | */ | |
1c8e11e1 | 1200 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) |
15854ef9 | 1201 | { |
965974a6 | 1202 | struct iwl_drv *drv = context; |
965974a6 | 1203 | struct iwl_fw *fw = &drv->fw; |
15854ef9 | 1204 | struct iwl_ucode_header *ucode; |
cc5f7e39 | 1205 | struct iwlwifi_opmode_table *op; |
15854ef9 | 1206 | int err; |
490fefeb | 1207 | struct iwl_firmware_pieces *pieces; |
68f360dc EG |
1208 | const unsigned int api_max = drv->cfg->ucode_api_max; |
1209 | unsigned int api_ok = drv->cfg->ucode_api_ok; | |
1210 | const unsigned int api_min = drv->cfg->ucode_api_min; | |
2841a2d3 | 1211 | size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; |
15854ef9 | 1212 | u32 api_ver; |
6dfa8d01 | 1213 | int i; |
d4b10483 | 1214 | bool load_module = false; |
e6eb8ca9 | 1215 | bool usniffer_images = false; |
15854ef9 | 1216 | |
66140adc | 1217 | fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; |
15854ef9 JB |
1218 | fw->ucode_capa.standard_phy_calibration_size = |
1219 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
762533ba | 1220 | fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; |
15854ef9 JB |
1221 | |
1222 | if (!api_ok) | |
1223 | api_ok = api_max; | |
1224 | ||
490fefeb LK |
1225 | pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); |
1226 | if (!pieces) | |
1227 | return; | |
15854ef9 JB |
1228 | |
1229 | if (!ucode_raw) { | |
965974a6 JB |
1230 | if (drv->fw_index <= api_ok) |
1231 | IWL_ERR(drv, | |
15854ef9 | 1232 | "request for firmware file '%s' failed.\n", |
965974a6 | 1233 | drv->firmware_name); |
15854ef9 JB |
1234 | goto try_again; |
1235 | } | |
1236 | ||
965974a6 JB |
1237 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
1238 | drv->firmware_name, ucode_raw->size); | |
15854ef9 JB |
1239 | |
1240 | /* Make sure that we got at least the API version number */ | |
1241 | if (ucode_raw->size < 4) { | |
965974a6 | 1242 | IWL_ERR(drv, "File size way too small!\n"); |
15854ef9 JB |
1243 | goto try_again; |
1244 | } | |
1245 | ||
1246 | /* Data from ucode file: header followed by uCode images */ | |
1247 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
1248 | ||
1249 | if (ucode->ver) | |
490fefeb | 1250 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); |
15854ef9 | 1251 | else |
490fefeb | 1252 | err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, |
e6eb8ca9 | 1253 | &fw->ucode_capa, &usniffer_images); |
15854ef9 JB |
1254 | |
1255 | if (err) | |
1256 | goto try_again; | |
1257 | ||
97f95c93 | 1258 | api_ver = drv->fw.ucode_ver; |
15854ef9 JB |
1259 | |
1260 | /* | |
1261 | * api_ver should match the api version forming part of the | |
1262 | * firmware filename ... but we don't check for that and only rely | |
1263 | * on the API version read from firmware header from here on forward | |
1264 | */ | |
1265 | /* no api version check required for experimental uCode */ | |
965974a6 | 1266 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 1267 | if (api_ver < api_min || api_ver > api_max) { |
965974a6 | 1268 | IWL_ERR(drv, |
15854ef9 JB |
1269 | "Driver unable to support your firmware API. " |
1270 | "Driver supports v%u, firmware is v%u.\n", | |
1271 | api_max, api_ver); | |
1272 | goto try_again; | |
1273 | } | |
1274 | ||
1275 | if (api_ver < api_ok) { | |
1276 | if (api_ok != api_max) | |
965974a6 | 1277 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
1278 | "expected v%u through v%u, got v%u.\n", |
1279 | api_ok, api_max, api_ver); | |
1280 | else | |
965974a6 | 1281 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
1282 | "expected v%u, got v%u.\n", |
1283 | api_max, api_ver); | |
965974a6 | 1284 | IWL_ERR(drv, "New firmware can be obtained from " |
15854ef9 JB |
1285 | "http://www.intellinuxwireless.org/.\n"); |
1286 | } | |
1287 | } | |
1288 | ||
4db2c9ae DS |
1289 | /* |
1290 | * In mvm uCode there is no difference between data and instructions | |
1291 | * sections. | |
1292 | */ | |
490fefeb | 1293 | if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg)) |
15854ef9 | 1294 | goto try_again; |
15854ef9 JB |
1295 | |
1296 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
1297 | ||
1298 | /* Runtime instructions and 2 copies of data: | |
1299 | * 1) unmodified from disk | |
1300 | * 2) backup cache for save/restore during power-downs */ | |
6dfa8d01 | 1301 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
490fefeb | 1302 | if (iwl_alloc_ucode(drv, pieces, i)) |
75813bde | 1303 | goto out_free_fw; |
15854ef9 | 1304 | |
490fefeb LK |
1305 | if (pieces->dbg_dest_tlv) { |
1306 | drv->fw.dbg_dest_tlv = | |
1307 | kmemdup(pieces->dbg_dest_tlv, | |
1308 | sizeof(*pieces->dbg_dest_tlv) + | |
1309 | sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * | |
1310 | drv->fw.dbg_dest_reg_num, GFP_KERNEL); | |
1311 | ||
1312 | if (!drv->fw.dbg_dest_tlv) | |
1313 | goto out_free_fw; | |
1314 | } | |
1315 | ||
1316 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { | |
1317 | if (pieces->dbg_conf_tlv[i]) { | |
1318 | drv->fw.dbg_conf_tlv_len[i] = | |
1319 | pieces->dbg_conf_tlv_len[i]; | |
1320 | drv->fw.dbg_conf_tlv[i] = | |
1321 | kmemdup(pieces->dbg_conf_tlv[i], | |
1322 | drv->fw.dbg_conf_tlv_len[i], | |
1323 | GFP_KERNEL); | |
1324 | if (!drv->fw.dbg_conf_tlv[i]) | |
1325 | goto out_free_fw; | |
1326 | } | |
1327 | } | |
1328 | ||
2841a2d3 EG |
1329 | memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); |
1330 | ||
1331 | trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = | |
1332 | sizeof(struct iwl_fw_dbg_trigger_missed_bcon); | |
1333 | trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; | |
1334 | trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = | |
1335 | sizeof(struct iwl_fw_dbg_trigger_cmd); | |
1336 | trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = | |
1337 | sizeof(struct iwl_fw_dbg_trigger_mlme); | |
1338 | trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = | |
1339 | sizeof(struct iwl_fw_dbg_trigger_stats); | |
1340 | trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = | |
1341 | sizeof(struct iwl_fw_dbg_trigger_low_rssi); | |
1342 | trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = | |
1343 | sizeof(struct iwl_fw_dbg_trigger_txq_timer); | |
874c174e EG |
1344 | trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = |
1345 | sizeof(struct iwl_fw_dbg_trigger_time_event); | |
4203263d EG |
1346 | trigger_tlv_sz[FW_DBG_TRIGGER_BA] = |
1347 | sizeof(struct iwl_fw_dbg_trigger_ba); | |
1e8f1329 GBA |
1348 | trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = |
1349 | sizeof(struct iwl_fw_dbg_trigger_tdls); | |
2841a2d3 | 1350 | |
d2709ad7 EG |
1351 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { |
1352 | if (pieces->dbg_trigger_tlv[i]) { | |
2841a2d3 EG |
1353 | /* |
1354 | * If the trigger isn't long enough, WARN and exit. | |
1355 | * Someone is trying to debug something and he won't | |
1356 | * be able to catch the bug he is trying to chase. | |
1357 | * We'd better be noisy to be sure he knows what's | |
1358 | * going on. | |
1359 | */ | |
1360 | if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < | |
1361 | (trigger_tlv_sz[i] + | |
1362 | sizeof(struct iwl_fw_dbg_trigger_tlv)))) | |
1363 | goto out_free_fw; | |
d2709ad7 EG |
1364 | drv->fw.dbg_trigger_tlv_len[i] = |
1365 | pieces->dbg_trigger_tlv_len[i]; | |
1366 | drv->fw.dbg_trigger_tlv[i] = | |
1367 | kmemdup(pieces->dbg_trigger_tlv[i], | |
1368 | drv->fw.dbg_trigger_tlv_len[i], | |
1369 | GFP_KERNEL); | |
1370 | if (!drv->fw.dbg_trigger_tlv[i]) | |
1371 | goto out_free_fw; | |
1372 | } | |
1373 | } | |
1374 | ||
15854ef9 JB |
1375 | /* Now that we can no longer fail, copy information */ |
1376 | ||
1377 | /* | |
1378 | * The (size - 16) / 12 formula is based on the information recorded | |
1379 | * for each event, which is of mode 1 (including timestamp) for all | |
1380 | * new microcodes that include this information. | |
1381 | */ | |
490fefeb LK |
1382 | fw->init_evtlog_ptr = pieces->init_evtlog_ptr; |
1383 | if (pieces->init_evtlog_size) | |
1384 | fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; | |
15854ef9 | 1385 | else |
0692fe41 | 1386 | fw->init_evtlog_size = |
68f360dc | 1387 | drv->cfg->base_params->max_event_log_size; |
490fefeb LK |
1388 | fw->init_errlog_ptr = pieces->init_errlog_ptr; |
1389 | fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; | |
1390 | if (pieces->inst_evtlog_size) | |
1391 | fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; | |
15854ef9 | 1392 | else |
0692fe41 | 1393 | fw->inst_evtlog_size = |
68f360dc | 1394 | drv->cfg->base_params->max_event_log_size; |
490fefeb | 1395 | fw->inst_errlog_ptr = pieces->inst_errlog_ptr; |
15854ef9 JB |
1396 | |
1397 | /* | |
1398 | * figure out the offset of chain noise reset and gain commands | |
1399 | * base on the size of standard phy calibration commands table size | |
1400 | */ | |
1401 | if (fw->ucode_capa.standard_phy_calibration_size > | |
1402 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
1403 | fw->ucode_capa.standard_phy_calibration_size = | |
1404 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1405 | ||
1406 | /* We have our copies now, allow OS release its copies */ | |
1407 | release_firmware(ucode_raw); | |
15854ef9 | 1408 | |
ff1ffb85 | 1409 | mutex_lock(&iwlwifi_opmode_table_mtx); |
8ca151b5 JB |
1410 | if (fw->mvm_fw) |
1411 | op = &iwlwifi_opmode_table[MVM_OP_MODE]; | |
1412 | else | |
1413 | op = &iwlwifi_opmode_table[DVM_OP_MODE]; | |
15854ef9 | 1414 | |
2b2719c7 JB |
1415 | IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", |
1416 | drv->fw.fw_version, op->name); | |
1417 | ||
cc5f7e39 DF |
1418 | /* add this device to the list of devices using this op_mode */ |
1419 | list_add_tail(&drv->list, &op->drv); | |
1420 | ||
1421 | if (op->ops) { | |
9da987ac | 1422 | drv->op_mode = _iwl_op_mode_start(drv, op); |
7c9c46c1 | 1423 | |
daf67ce8 DC |
1424 | if (!drv->op_mode) { |
1425 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
7c9c46c1 | 1426 | goto out_unbind; |
daf67ce8 | 1427 | } |
cc5f7e39 | 1428 | } else { |
d4b10483 | 1429 | load_module = true; |
cc5f7e39 | 1430 | } |
ff1ffb85 | 1431 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
15854ef9 | 1432 | |
f69a23b7 JB |
1433 | /* |
1434 | * Complete the firmware request last so that | |
1435 | * a driver unbind (stop) doesn't run while we | |
1436 | * are doing the start() above. | |
1437 | */ | |
1438 | complete(&drv->request_firmware_complete); | |
d4b10483 JB |
1439 | |
1440 | /* | |
1441 | * Load the module last so we don't block anything | |
1442 | * else from proceeding if the module fails to load | |
1443 | * or hangs loading. | |
1444 | */ | |
1618b2b0 JB |
1445 | if (load_module) { |
1446 | err = request_module("%s", op->name); | |
8edf3fd6 | 1447 | #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR |
1618b2b0 JB |
1448 | if (err) |
1449 | IWL_ERR(drv, | |
1450 | "failed to load module %s (error %d), is dynamic loading enabled?\n", | |
1451 | op->name, err); | |
8edf3fd6 | 1452 | #endif |
1618b2b0 | 1453 | } |
a71aaf66 | 1454 | kfree(pieces); |
15854ef9 JB |
1455 | return; |
1456 | ||
1457 | try_again: | |
1458 | /* try next, if any */ | |
1459 | release_firmware(ucode_raw); | |
965974a6 | 1460 | if (iwl_request_firmware(drv, false)) |
15854ef9 | 1461 | goto out_unbind; |
31a5a09c | 1462 | kfree(pieces); |
15854ef9 JB |
1463 | return; |
1464 | ||
75813bde | 1465 | out_free_fw: |
965974a6 JB |
1466 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
1467 | iwl_dealloc_ucode(drv); | |
15854ef9 JB |
1468 | release_firmware(ucode_raw); |
1469 | out_unbind: | |
490fefeb | 1470 | kfree(pieces); |
965974a6 | 1471 | complete(&drv->request_firmware_complete); |
93faaeea | 1472 | device_release_driver(drv->trans->dev); |
15854ef9 JB |
1473 | } |
1474 | ||
87ce05a2 | 1475 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, |
9130bab1 | 1476 | const struct iwl_cfg *cfg) |
5c58edc6 | 1477 | { |
965974a6 | 1478 | struct iwl_drv *drv; |
5c58edc6 EG |
1479 | int ret; |
1480 | ||
965974a6 | 1481 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
eafe25e0 LC |
1482 | if (!drv) { |
1483 | ret = -ENOMEM; | |
1484 | goto err; | |
1485 | } | |
c15797e6 | 1486 | |
9130bab1 | 1487 | drv->trans = trans; |
4b9844f5 | 1488 | drv->dev = trans->dev; |
68f360dc | 1489 | drv->cfg = cfg; |
5c58edc6 | 1490 | |
965974a6 | 1491 | init_completion(&drv->request_firmware_complete); |
ff1ffb85 | 1492 | INIT_LIST_HEAD(&drv->list); |
5c58edc6 | 1493 | |
9da987ac MV |
1494 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1495 | /* Create the device debugfs entries. */ | |
1496 | drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), | |
1497 | iwl_dbgfs_root); | |
1498 | ||
1499 | if (!drv->dbgfs_drv) { | |
1500 | IWL_ERR(drv, "failed to create debugfs directory\n"); | |
59f547ac | 1501 | ret = -ENOMEM; |
9da987ac MV |
1502 | goto err_free_drv; |
1503 | } | |
1504 | ||
1505 | /* Create transport layer debugfs dir */ | |
1506 | drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); | |
1507 | ||
1508 | if (!drv->trans->dbgfs_dir) { | |
1509 | IWL_ERR(drv, "failed to create transport debugfs directory\n"); | |
59f547ac | 1510 | ret = -ENOMEM; |
9da987ac MV |
1511 | goto err_free_dbgfs; |
1512 | } | |
1513 | #endif | |
1514 | ||
965974a6 | 1515 | ret = iwl_request_firmware(drv, true); |
5c58edc6 | 1516 | if (ret) { |
c15797e6 | 1517 | IWL_ERR(trans, "Couldn't request the fw\n"); |
9da987ac | 1518 | goto err_fw; |
5c58edc6 EG |
1519 | } |
1520 | ||
9da987ac MV |
1521 | return drv; |
1522 | ||
1523 | err_fw: | |
1524 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1525 | err_free_dbgfs: | |
1526 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1527 | err_free_drv: | |
1528 | #endif | |
1529 | kfree(drv); | |
eafe25e0 | 1530 | err: |
59f547ac | 1531 | return ERR_PTR(ret); |
5c58edc6 EG |
1532 | } |
1533 | ||
9130bab1 | 1534 | void iwl_drv_stop(struct iwl_drv *drv) |
07590f08 | 1535 | { |
965974a6 | 1536 | wait_for_completion(&drv->request_firmware_complete); |
2e7eb117 | 1537 | |
9da987ac | 1538 | _iwl_op_mode_stop(drv); |
07590f08 | 1539 | |
965974a6 | 1540 | iwl_dealloc_ucode(drv); |
7db5b989 | 1541 | |
ff1ffb85 JB |
1542 | mutex_lock(&iwlwifi_opmode_table_mtx); |
1543 | /* | |
1544 | * List is empty (this item wasn't added) | |
1545 | * when firmware loading failed -- in that | |
1546 | * case we can't remove it from any list. | |
1547 | */ | |
1548 | if (!list_empty(&drv->list)) | |
1549 | list_del(&drv->list); | |
1550 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1551 | ||
9da987ac MV |
1552 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1553 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1554 | #endif | |
1555 | ||
965974a6 | 1556 | kfree(drv); |
07590f08 | 1557 | } |
65de7e84 JB |
1558 | |
1559 | ||
1560 | /* shared module parameters */ | |
1561 | struct iwl_mod_params iwlwifi_mod_params = { | |
490953ac | 1562 | .restart_fw = true, |
65de7e84 JB |
1563 | .bt_coex_active = true, |
1564 | .power_level = IWL_POWER_INDEX_1, | |
7616f334 | 1565 | .d0i3_disable = true, |
b2c5d3a8 | 1566 | .d0i3_entry_delay = 1000, |
11dee0b4 | 1567 | .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, |
65de7e84 JB |
1568 | /* the rest are 0 by default */ |
1569 | }; | |
48e29340 | 1570 | IWL_EXPORT_SYMBOL(iwlwifi_mod_params); |
cc5f7e39 DF |
1571 | |
1572 | int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) | |
1573 | { | |
1574 | int i; | |
1575 | struct iwl_drv *drv; | |
9da987ac | 1576 | struct iwlwifi_opmode_table *op; |
cc5f7e39 | 1577 | |
ff1ffb85 | 1578 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1579 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
9da987ac MV |
1580 | op = &iwlwifi_opmode_table[i]; |
1581 | if (strcmp(op->name, name)) | |
cc5f7e39 | 1582 | continue; |
9da987ac MV |
1583 | op->ops = ops; |
1584 | /* TODO: need to handle exceptional case */ | |
1585 | list_for_each_entry(drv, &op->drv, list) | |
1586 | drv->op_mode = _iwl_op_mode_start(drv, op); | |
1587 | ||
ff1ffb85 | 1588 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1589 | return 0; |
1590 | } | |
ff1ffb85 | 1591 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1592 | return -EIO; |
1593 | } | |
48e29340 | 1594 | IWL_EXPORT_SYMBOL(iwl_opmode_register); |
cc5f7e39 DF |
1595 | |
1596 | void iwl_opmode_deregister(const char *name) | |
1597 | { | |
1598 | int i; | |
1599 | struct iwl_drv *drv; | |
1600 | ||
ff1ffb85 | 1601 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1602 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
1603 | if (strcmp(iwlwifi_opmode_table[i].name, name)) | |
1604 | continue; | |
1605 | iwlwifi_opmode_table[i].ops = NULL; | |
1606 | ||
1607 | /* call the stop routine for all devices */ | |
9da987ac MV |
1608 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) |
1609 | _iwl_op_mode_stop(drv); | |
1610 | ||
ff1ffb85 | 1611 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1612 | return; |
1613 | } | |
ff1ffb85 | 1614 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1615 | } |
48e29340 | 1616 | IWL_EXPORT_SYMBOL(iwl_opmode_deregister); |
cc5f7e39 DF |
1617 | |
1618 | static int __init iwl_drv_init(void) | |
1619 | { | |
1620 | int i; | |
1621 | ||
ff1ffb85 JB |
1622 | mutex_init(&iwlwifi_opmode_table_mtx); |
1623 | ||
cc5f7e39 DF |
1624 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) |
1625 | INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); | |
1626 | ||
e32ec12f | 1627 | pr_info(DRV_DESCRIPTION "\n"); |
cc5f7e39 DF |
1628 | pr_info(DRV_COPYRIGHT "\n"); |
1629 | ||
9da987ac MV |
1630 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1631 | /* Create the root of iwlwifi debugfs subsystem. */ | |
1632 | iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); | |
1633 | ||
1634 | if (!iwl_dbgfs_root) | |
1635 | return -EFAULT; | |
1636 | #endif | |
1637 | ||
cc5f7e39 DF |
1638 | return iwl_pci_register_driver(); |
1639 | } | |
1640 | module_init(iwl_drv_init); | |
1641 | ||
1642 | static void __exit iwl_drv_exit(void) | |
1643 | { | |
1644 | iwl_pci_unregister_driver(); | |
9da987ac MV |
1645 | |
1646 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1647 | debugfs_remove_recursive(iwl_dbgfs_root); | |
1648 | #endif | |
cc5f7e39 DF |
1649 | } |
1650 | module_exit(iwl_drv_exit); | |
65de7e84 JB |
1651 | |
1652 | #ifdef CONFIG_IWLWIFI_DEBUG | |
1653 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, | |
1654 | S_IRUGO | S_IWUSR); | |
1655 | MODULE_PARM_DESC(debug, "debug output mask"); | |
1656 | #endif | |
1657 | ||
1658 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); | |
1659 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
1660 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); | |
1661 | MODULE_PARM_DESC(11n_disable, | |
205e2210 | 1662 | "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); |
6c4fbcbc | 1663 | module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, |
65de7e84 | 1664 | int, S_IRUGO); |
6c4fbcbc | 1665 | MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)"); |
490953ac EG |
1666 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); |
1667 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); | |
65de7e84 JB |
1668 | |
1669 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, | |
1670 | int, S_IRUGO); | |
1671 | MODULE_PARM_DESC(antenna_coupling, | |
ad25c1ee | 1672 | "specify antenna coupling in dB (default: 0 dB)"); |
65de7e84 | 1673 | |
1214755c EH |
1674 | module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); |
1675 | MODULE_PARM_DESC(nvm_file, "NVM file name"); | |
1676 | ||
7616f334 EP |
1677 | module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, |
1678 | bool, S_IRUGO); | |
1679 | MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); | |
1680 | ||
5711cac4 AN |
1681 | module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, |
1682 | bool, S_IRUGO); | |
1683 | MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); | |
1684 | ||
1504f48d | 1685 | module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, |
11dee0b4 | 1686 | uint, S_IRUGO | S_IWUSR); |
11dee0b4 EG |
1687 | MODULE_PARM_DESC(uapsd_disable, |
1688 | "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); | |
1504f48d | 1689 | |
65de7e84 JB |
1690 | /* |
1691 | * set bt_coex_active to true, uCode will do kill/defer | |
1692 | * every time the priority line is asserted (BT is sending signals on the | |
1693 | * priority line in the PCIx). | |
1694 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
1695 | * perform the normal operation | |
1696 | * | |
1697 | * User might experience transmit issue on some platform due to WiFi/BT | |
1698 | * co-exist problem. The possible behaviors are: | |
1699 | * Able to scan and finding all the available AP | |
1700 | * Not able to associate with any AP | |
1701 | * On those platforms, WiFi communication can be restored by set | |
1702 | * "bt_coex_active" module parameter to "false" | |
1703 | * | |
1704 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
1705 | */ | |
1706 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, | |
1707 | bool, S_IRUGO); | |
1708 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
1709 | ||
1710 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); | |
1711 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
1712 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); | |
1713 | ||
1714 | module_param_named(power_save, iwlwifi_mod_params.power_save, | |
1715 | bool, S_IRUGO); | |
1716 | MODULE_PARM_DESC(power_save, | |
1717 | "enable WiFi power management (default: disable)"); | |
1718 | ||
1719 | module_param_named(power_level, iwlwifi_mod_params.power_level, | |
1720 | int, S_IRUGO); | |
1721 | MODULE_PARM_DESC(power_level, | |
1722 | "default power save level (range from 1 - 5, default: 1)"); | |
c2d20201 EG |
1723 | |
1724 | module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); | |
6d6a4751 | 1725 | MODULE_PARM_DESC(fw_monitor, |
c2d20201 | 1726 | "firmware monitor - to debug FW (default: false - needs lots of memory)"); |
b2c5d3a8 LC |
1727 | |
1728 | module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay, | |
1729 | uint, S_IRUGO); | |
1730 | MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); | |
0d0985ad AO |
1731 | |
1732 | module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, | |
1733 | S_IRUGO); | |
1734 | MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities"); |