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1 /******************************************************************************
2  *
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * GPL LICENSE SUMMARY
7  *
8  * Copyright(c) 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