1 /******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65 #include <net/mac80211.h>
66
67 #include "iwl-trans.h"
68 #include "iwl-op-mode.h"
69 #include "iwl-fw.h"
70 #include "iwl-debug.h"
71 #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
72 #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
73 #include "iwl-eeprom-parse.h"
74
75 #include "mvm.h"
76 #include "iwl-phy-db.h"
77
78 #define MVM_UCODE_ALIVE_TIMEOUT HZ
79 #define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
80
81 #define UCODE_VALID_OK cpu_to_le32(0x1)
82
83 struct iwl_mvm_alive_data {
84 bool valid;
85 u32 scd_base_addr;
86 };
87
88 static inline const struct fw_img *
iwl_get_ucode_image(struct iwl_mvm * mvm,enum iwl_ucode_type ucode_type)89 iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
90 {
91 if (ucode_type >= IWL_UCODE_TYPE_MAX)
92 return NULL;
93
94 return &mvm->fw->img[ucode_type];
95 }
96
iwl_send_tx_ant_cfg(struct iwl_mvm * mvm,u8 valid_tx_ant)97 static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
98 {
99 struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
100 .valid = cpu_to_le32(valid_tx_ant),
101 };
102
103 IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
104 return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
105 sizeof(tx_ant_cmd), &tx_ant_cmd);
106 }
107
iwl_alive_fn(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)108 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
109 struct iwl_rx_packet *pkt, void *data)
110 {
111 struct iwl_mvm *mvm =
112 container_of(notif_wait, struct iwl_mvm, notif_wait);
113 struct iwl_mvm_alive_data *alive_data = data;
114 struct mvm_alive_resp *palive;
115 struct mvm_alive_resp_ver2 *palive2;
116
117 if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
118 palive = (void *)pkt->data;
119
120 mvm->support_umac_log = false;
121 mvm->error_event_table =
122 le32_to_cpu(palive->error_event_table_ptr);
123 mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
124 alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
125
126 alive_data->valid = le16_to_cpu(palive->status) ==
127 IWL_ALIVE_STATUS_OK;
128 IWL_DEBUG_FW(mvm,
129 "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
130 le16_to_cpu(palive->status), palive->ver_type,
131 palive->ver_subtype, palive->flags);
132 } else {
133 palive2 = (void *)pkt->data;
134
135 mvm->error_event_table =
136 le32_to_cpu(palive2->error_event_table_ptr);
137 mvm->log_event_table =
138 le32_to_cpu(palive2->log_event_table_ptr);
139 alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr);
140 mvm->umac_error_event_table =
141 le32_to_cpu(palive2->error_info_addr);
142 mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr);
143 mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size);
144
145 alive_data->valid = le16_to_cpu(palive2->status) ==
146 IWL_ALIVE_STATUS_OK;
147 if (mvm->umac_error_event_table)
148 mvm->support_umac_log = true;
149
150 IWL_DEBUG_FW(mvm,
151 "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
152 le16_to_cpu(palive2->status), palive2->ver_type,
153 palive2->ver_subtype, palive2->flags);
154
155 IWL_DEBUG_FW(mvm,
156 "UMAC version: Major - 0x%x, Minor - 0x%x\n",
157 palive2->umac_major, palive2->umac_minor);
158 }
159
160 return true;
161 }
162
iwl_wait_phy_db_entry(struct iwl_notif_wait_data * notif_wait,struct iwl_rx_packet * pkt,void * data)163 static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
164 struct iwl_rx_packet *pkt, void *data)
165 {
166 struct iwl_phy_db *phy_db = data;
167
168 if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
169 WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
170 return true;
171 }
172
173 WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC));
174
175 return false;
176 }
177
iwl_mvm_load_ucode_wait_alive(struct iwl_mvm * mvm,enum iwl_ucode_type ucode_type)178 static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
179 enum iwl_ucode_type ucode_type)
180 {
181 struct iwl_notification_wait alive_wait;
182 struct iwl_mvm_alive_data alive_data;
183 const struct fw_img *fw;
184 int ret, i;
185 enum iwl_ucode_type old_type = mvm->cur_ucode;
186 static const u8 alive_cmd[] = { MVM_ALIVE };
187 struct iwl_sf_region st_fwrd_space;
188
189 fw = iwl_get_ucode_image(mvm, ucode_type);
190 if (WARN_ON(!fw))
191 return -EINVAL;
192 mvm->cur_ucode = ucode_type;
193 mvm->ucode_loaded = false;
194
195 iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
196 alive_cmd, ARRAY_SIZE(alive_cmd),
197 iwl_alive_fn, &alive_data);
198
199 ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
200 if (ret) {
201 mvm->cur_ucode = old_type;
202 iwl_remove_notification(&mvm->notif_wait, &alive_wait);
203 return ret;
204 }
205
206 /*
207 * Some things may run in the background now, but we
208 * just wait for the ALIVE notification here.
209 */
210 ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
211 MVM_UCODE_ALIVE_TIMEOUT);
212 if (ret) {
213 mvm->cur_ucode = old_type;
214 return ret;
215 }
216
217 if (!alive_data.valid) {
218 IWL_ERR(mvm, "Loaded ucode is not valid!\n");
219 mvm->cur_ucode = old_type;
220 return -EIO;
221 }
222
223 /*
224 * update the sdio allocation according to the pointer we get in the
225 * alive notification.
226 */
227 st_fwrd_space.addr = mvm->sf_space.addr;
228 st_fwrd_space.size = mvm->sf_space.size;
229 ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
230
231 iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
232
233 /*
234 * Note: all the queues are enabled as part of the interface
235 * initialization, but in firmware restart scenarios they
236 * could be stopped, so wake them up. In firmware restart,
237 * mac80211 will have the queues stopped as well until the
238 * reconfiguration completes. During normal startup, they
239 * will be empty.
240 */
241
242 for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
243 if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE)
244 mvm->queue_to_mac80211[i] = i;
245 else
246 mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
247 }
248
249 for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
250 atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
251
252 mvm->ucode_loaded = true;
253
254 return 0;
255 }
256
iwl_send_phy_cfg_cmd(struct iwl_mvm * mvm)257 static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
258 {
259 struct iwl_phy_cfg_cmd phy_cfg_cmd;
260 enum iwl_ucode_type ucode_type = mvm->cur_ucode;
261
262 /* Set parameters */
263 phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config);
264 phy_cfg_cmd.calib_control.event_trigger =
265 mvm->fw->default_calib[ucode_type].event_trigger;
266 phy_cfg_cmd.calib_control.flow_trigger =
267 mvm->fw->default_calib[ucode_type].flow_trigger;
268
269 IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
270 phy_cfg_cmd.phy_cfg);
271
272 return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
273 sizeof(phy_cfg_cmd), &phy_cfg_cmd);
274 }
275
iwl_run_init_mvm_ucode(struct iwl_mvm * mvm,bool read_nvm)276 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
277 {
278 struct iwl_notification_wait calib_wait;
279 static const u8 init_complete[] = {
280 INIT_COMPLETE_NOTIF,
281 CALIB_RES_NOTIF_PHY_DB
282 };
283 int ret;
284
285 lockdep_assert_held(&mvm->mutex);
286
287 if (WARN_ON_ONCE(mvm->init_ucode_complete || mvm->calibrating))
288 return 0;
289
290 iwl_init_notification_wait(&mvm->notif_wait,
291 &calib_wait,
292 init_complete,
293 ARRAY_SIZE(init_complete),
294 iwl_wait_phy_db_entry,
295 mvm->phy_db);
296
297 /* Will also start the device */
298 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
299 if (ret) {
300 IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
301 goto error;
302 }
303
304 ret = iwl_send_bt_init_conf(mvm);
305 if (ret)
306 goto error;
307
308 /* Read the NVM only at driver load time, no need to do this twice */
309 if (read_nvm) {
310 /* Read nvm */
311 ret = iwl_nvm_init(mvm, true);
312 if (ret) {
313 IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
314 goto error;
315 }
316 }
317
318 /* In case we read the NVM from external file, load it to the NIC */
319 if (mvm->nvm_file_name)
320 iwl_mvm_load_nvm_to_nic(mvm);
321
322 ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
323 WARN_ON(ret);
324
325 /*
326 * abort after reading the nvm in case RF Kill is on, we will complete
327 * the init seq later when RF kill will switch to off
328 */
329 if (iwl_mvm_is_radio_killed(mvm)) {
330 IWL_DEBUG_RF_KILL(mvm,
331 "jump over all phy activities due to RF kill\n");
332 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
333 ret = 1;
334 goto out;
335 }
336
337 mvm->calibrating = true;
338
339 /* Send TX valid antennas before triggering calibrations */
340 ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
341 if (ret)
342 goto error;
343
344 /*
345 * Send phy configurations command to init uCode
346 * to start the 16.0 uCode init image internal calibrations.
347 */
348 ret = iwl_send_phy_cfg_cmd(mvm);
349 if (ret) {
350 IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
351 ret);
352 goto error;
353 }
354
355 /*
356 * Some things may run in the background now, but we
357 * just wait for the calibration complete notification.
358 */
359 ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
360 MVM_UCODE_CALIB_TIMEOUT);
361 if (!ret)
362 mvm->init_ucode_complete = true;
363
364 if (ret && iwl_mvm_is_radio_killed(mvm)) {
365 IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
366 ret = 1;
367 }
368 goto out;
369
370 error:
371 iwl_remove_notification(&mvm->notif_wait, &calib_wait);
372 out:
373 mvm->calibrating = false;
374 if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
375 /* we want to debug INIT and we have no NVM - fake */
376 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
377 sizeof(struct ieee80211_channel) +
378 sizeof(struct ieee80211_rate),
379 GFP_KERNEL);
380 if (!mvm->nvm_data)
381 return -ENOMEM;
382 mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
383 mvm->nvm_data->bands[0].n_channels = 1;
384 mvm->nvm_data->bands[0].n_bitrates = 1;
385 mvm->nvm_data->bands[0].bitrates =
386 (void *)mvm->nvm_data->channels + 1;
387 mvm->nvm_data->bands[0].bitrates->hw_value = 10;
388 }
389
390 return ret;
391 }
392
iwl_mvm_up(struct iwl_mvm * mvm)393 int iwl_mvm_up(struct iwl_mvm *mvm)
394 {
395 int ret, i;
396 struct ieee80211_channel *chan;
397 struct cfg80211_chan_def chandef;
398
399 lockdep_assert_held(&mvm->mutex);
400
401 ret = iwl_trans_start_hw(mvm->trans);
402 if (ret)
403 return ret;
404
405 /*
406 * If we haven't completed the run of the init ucode during
407 * module loading, load init ucode now
408 * (for example, if we were in RFKILL)
409 */
410 if (!mvm->init_ucode_complete) {
411 ret = iwl_run_init_mvm_ucode(mvm, false);
412 if (ret && !iwlmvm_mod_params.init_dbg) {
413 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
414 /* this can't happen */
415 if (WARN_ON(ret > 0))
416 ret = -ERFKILL;
417 goto error;
418 }
419 if (!iwlmvm_mod_params.init_dbg) {
420 /*
421 * should stop and start HW since that INIT
422 * image just loaded
423 */
424 iwl_trans_stop_device(mvm->trans);
425 ret = iwl_trans_start_hw(mvm->trans);
426 if (ret)
427 return ret;
428 }
429 }
430
431 if (iwlmvm_mod_params.init_dbg)
432 return 0;
433
434 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
435 if (ret) {
436 IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
437 goto error;
438 }
439
440 ret = iwl_mvm_sf_update(mvm, NULL, false);
441 if (ret)
442 IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");
443
444 ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
445 if (ret)
446 goto error;
447
448 ret = iwl_send_bt_init_conf(mvm);
449 if (ret)
450 goto error;
451
452 /* Send phy db control command and then phy db calibration*/
453 ret = iwl_send_phy_db_data(mvm->phy_db);
454 if (ret)
455 goto error;
456
457 ret = iwl_send_phy_cfg_cmd(mvm);
458 if (ret)
459 goto error;
460
461 /* init the fw <-> mac80211 STA mapping */
462 for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
463 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
464
465 /* reset quota debouncing buffer - 0xff will yield invalid data */
466 memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));
467
468 /* Add auxiliary station for scanning */
469 ret = iwl_mvm_add_aux_sta(mvm);
470 if (ret)
471 goto error;
472
473 /* Add all the PHY contexts */
474 chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0];
475 cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
476 for (i = 0; i < NUM_PHY_CTX; i++) {
477 /*
478 * The channel used here isn't relevant as it's
479 * going to be overwritten in the other flows.
480 * For now use the first channel we have.
481 */
482 ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
483 &chandef, 1, 1);
484 if (ret)
485 goto error;
486 }
487
488 /* Initialize tx backoffs to the minimal possible */
489 iwl_mvm_tt_tx_backoff(mvm, 0);
490
491 if (mvm->trans->ltr_enabled) {
492 struct iwl_ltr_config_cmd cmd = {
493 .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
494 };
495
496 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
497 sizeof(cmd), &cmd));
498 }
499
500 ret = iwl_mvm_power_update_device(mvm);
501 if (ret)
502 goto error;
503
504 /* allow FW/transport low power modes if not during restart */
505 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
506 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
507
508 IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
509 return 0;
510 error:
511 iwl_trans_stop_device(mvm->trans);
512 return ret;
513 }
514
iwl_mvm_load_d3_fw(struct iwl_mvm * mvm)515 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
516 {
517 int ret, i;
518
519 lockdep_assert_held(&mvm->mutex);
520
521 ret = iwl_trans_start_hw(mvm->trans);
522 if (ret)
523 return ret;
524
525 ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
526 if (ret) {
527 IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
528 goto error;
529 }
530
531 ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
532 if (ret)
533 goto error;
534
535 /* Send phy db control command and then phy db calibration*/
536 ret = iwl_send_phy_db_data(mvm->phy_db);
537 if (ret)
538 goto error;
539
540 ret = iwl_send_phy_cfg_cmd(mvm);
541 if (ret)
542 goto error;
543
544 /* init the fw <-> mac80211 STA mapping */
545 for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
546 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
547
548 /* Add auxiliary station for scanning */
549 ret = iwl_mvm_add_aux_sta(mvm);
550 if (ret)
551 goto error;
552
553 return 0;
554 error:
555 iwl_trans_stop_device(mvm->trans);
556 return ret;
557 }
558
iwl_mvm_rx_card_state_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb,struct iwl_device_cmd * cmd)559 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
560 struct iwl_rx_cmd_buffer *rxb,
561 struct iwl_device_cmd *cmd)
562 {
563 struct iwl_rx_packet *pkt = rxb_addr(rxb);
564 struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
565 u32 flags = le32_to_cpu(card_state_notif->flags);
566
567 IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
568 (flags & HW_CARD_DISABLED) ? "Kill" : "On",
569 (flags & SW_CARD_DISABLED) ? "Kill" : "On",
570 (flags & CT_KILL_CARD_DISABLED) ?
571 "Reached" : "Not reached");
572
573 return 0;
574 }
575
iwl_mvm_rx_radio_ver(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb,struct iwl_device_cmd * cmd)576 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
577 struct iwl_device_cmd *cmd)
578 {
579 struct iwl_rx_packet *pkt = rxb_addr(rxb);
580 struct iwl_radio_version_notif *radio_version = (void *)pkt->data;
581
582 /* TODO: what to do with that? */
583 IWL_DEBUG_INFO(mvm,
584 "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
585 le32_to_cpu(radio_version->radio_flavor),
586 le32_to_cpu(radio_version->radio_step),
587 le32_to_cpu(radio_version->radio_dash));
588 return 0;
589 }
590