1 /******************************************************************************
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.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
63 #include <net/mac80211.h>
65 #include "iwl-debug.h"
70 #include "fw-api-rs.h"
73 * Will return 0 even if the cmd failed when RFKILL is asserted unless
74 * CMD_WANT_SKB is set in cmd->flags.
76 int iwl_mvm_send_cmd(struct iwl_mvm
*mvm
, struct iwl_host_cmd
*cmd
)
80 #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP)
81 if (WARN_ON(mvm
->d3_test_active
))
86 * Synchronous commands from this op-mode must hold
87 * the mutex, this ensures we don't try to send two
88 * (or more) synchronous commands at a time.
90 if (!(cmd
->flags
& CMD_ASYNC
))
91 lockdep_assert_held(&mvm
->mutex
);
93 ret
= iwl_trans_send_cmd(mvm
->trans
, cmd
);
96 * If the caller wants the SKB, then don't hide any problems, the
97 * caller might access the response buffer which will be NULL if
100 if (cmd
->flags
& CMD_WANT_SKB
)
103 /* Silently ignore failures if RFKILL is asserted */
104 if (!ret
|| ret
== -ERFKILL
)
109 int iwl_mvm_send_cmd_pdu(struct iwl_mvm
*mvm
, u8 id
,
110 u32 flags
, u16 len
, const void *data
)
112 struct iwl_host_cmd cmd
= {
119 return iwl_mvm_send_cmd(mvm
, &cmd
);
123 * We assume that the caller set the status to the sucess value
125 int iwl_mvm_send_cmd_status(struct iwl_mvm
*mvm
, struct iwl_host_cmd
*cmd
,
128 struct iwl_rx_packet
*pkt
;
129 struct iwl_cmd_response
*resp
;
132 lockdep_assert_held(&mvm
->mutex
);
134 #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP)
135 if (WARN_ON(mvm
->d3_test_active
))
140 * Only synchronous commands can wait for status,
141 * we use WANT_SKB so the caller can't.
143 if (WARN_ONCE(cmd
->flags
& (CMD_ASYNC
| CMD_WANT_SKB
),
144 "cmd flags %x", cmd
->flags
))
147 cmd
->flags
|= CMD_WANT_SKB
;
149 ret
= iwl_trans_send_cmd(mvm
->trans
, cmd
);
150 if (ret
== -ERFKILL
) {
152 * The command failed because of RFKILL, don't update
153 * the status, leave it as success and return 0.
161 /* Can happen if RFKILL is asserted */
167 if (pkt
->hdr
.flags
& IWL_CMD_FAILED_MSK
) {
172 resp_len
= iwl_rx_packet_payload_len(pkt
);
173 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
178 resp
= (void *)pkt
->data
;
179 *status
= le32_to_cpu(resp
->status
);
186 * We assume that the caller set the status to the sucess value
188 int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm
*mvm
, u8 id
, u16 len
,
189 const void *data
, u32
*status
)
191 struct iwl_host_cmd cmd
= {
197 return iwl_mvm_send_cmd_status(mvm
, &cmd
, status
);
200 #define IWL_DECLARE_RATE_INFO(r) \
201 [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP
204 * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP
206 static const u8 fw_rate_idx_to_plcp
[IWL_RATE_COUNT
] = {
207 IWL_DECLARE_RATE_INFO(1),
208 IWL_DECLARE_RATE_INFO(2),
209 IWL_DECLARE_RATE_INFO(5),
210 IWL_DECLARE_RATE_INFO(11),
211 IWL_DECLARE_RATE_INFO(6),
212 IWL_DECLARE_RATE_INFO(9),
213 IWL_DECLARE_RATE_INFO(12),
214 IWL_DECLARE_RATE_INFO(18),
215 IWL_DECLARE_RATE_INFO(24),
216 IWL_DECLARE_RATE_INFO(36),
217 IWL_DECLARE_RATE_INFO(48),
218 IWL_DECLARE_RATE_INFO(54),
221 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags
,
222 enum ieee80211_band band
)
224 int rate
= rate_n_flags
& RATE_LEGACY_RATE_MSK
;
228 /* Legacy rate format, search for match in table */
229 if (band
== IEEE80211_BAND_5GHZ
)
230 band_offset
= IWL_FIRST_OFDM_RATE
;
231 for (idx
= band_offset
; idx
< IWL_RATE_COUNT_LEGACY
; idx
++)
232 if (fw_rate_idx_to_plcp
[idx
] == rate
)
233 return idx
- band_offset
;
238 u8
iwl_mvm_mac80211_idx_to_hwrate(int rate_idx
)
240 /* Get PLCP rate for tx_cmd->rate_n_flags */
241 return fw_rate_idx_to_plcp
[rate_idx
];
244 int iwl_mvm_rx_fw_error(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
245 struct iwl_device_cmd
*cmd
)
247 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
248 struct iwl_error_resp
*err_resp
= (void *)pkt
->data
;
250 IWL_ERR(mvm
, "FW Error notification: type 0x%08X cmd_id 0x%02X\n",
251 le32_to_cpu(err_resp
->error_type
), err_resp
->cmd_id
);
252 IWL_ERR(mvm
, "FW Error notification: seq 0x%04X service 0x%08X\n",
253 le16_to_cpu(err_resp
->bad_cmd_seq_num
),
254 le32_to_cpu(err_resp
->error_service
));
255 IWL_ERR(mvm
, "FW Error notification: timestamp 0x%16llX\n",
256 le64_to_cpu(err_resp
->timestamp
));
261 * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h.
262 * The parameter should also be a combination of ANT_[ABC].
264 u8
first_antenna(u8 mask
)
266 BUILD_BUG_ON(ANT_A
!= BIT(0)); /* using ffs is wrong if not */
267 if (WARN_ON_ONCE(!mask
)) /* ffs will return 0 if mask is zeroed */
269 return BIT(ffs(mask
) - 1);
273 * Toggles between TX antennas to send the probe request on.
274 * Receives the bitmask of valid TX antennas and the *index* used
275 * for the last TX, and returns the next valid *index* to use.
276 * In order to set it in the tx_cmd, must do BIT(idx).
278 u8
iwl_mvm_next_antenna(struct iwl_mvm
*mvm
, u8 valid
, u8 last_idx
)
283 for (i
= 0; i
< RATE_MCS_ANT_NUM
; i
++) {
284 ind
= (ind
+ 1) % RATE_MCS_ANT_NUM
;
285 if (valid
& BIT(ind
))
289 WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid
);
293 static const struct {
296 } advanced_lookup
[] = {
297 { "NMI_INTERRUPT_WDG", 0x34 },
298 { "SYSASSERT", 0x35 },
299 { "UCODE_VERSION_MISMATCH", 0x37 },
300 { "BAD_COMMAND", 0x38 },
301 { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
302 { "FATAL_ERROR", 0x3D },
303 { "NMI_TRM_HW_ERR", 0x46 },
304 { "NMI_INTERRUPT_TRM", 0x4C },
305 { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
306 { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
307 { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
308 { "NMI_INTERRUPT_HOST", 0x66 },
309 { "NMI_INTERRUPT_ACTION_PT", 0x7C },
310 { "NMI_INTERRUPT_UNKNOWN", 0x84 },
311 { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
312 { "ADVANCED_SYSASSERT", 0 },
315 static const char *desc_lookup(u32 num
)
319 for (i
= 0; i
< ARRAY_SIZE(advanced_lookup
) - 1; i
++)
320 if (advanced_lookup
[i
].num
== num
)
321 return advanced_lookup
[i
].name
;
323 /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
324 return advanced_lookup
[i
].name
;
328 * Note: This structure is read from the device with IO accesses,
329 * and the reading already does the endian conversion. As it is
330 * read with u32-sized accesses, any members with a different size
331 * need to be ordered correctly though!
333 struct iwl_error_event_table
{
334 u32 valid
; /* (nonzero) valid, (0) log is empty */
335 u32 error_id
; /* type of error */
336 u32 pc
; /* program counter */
337 u32 blink1
; /* branch link */
338 u32 blink2
; /* branch link */
339 u32 ilink1
; /* interrupt link */
340 u32 ilink2
; /* interrupt link */
341 u32 data1
; /* error-specific data */
342 u32 data2
; /* error-specific data */
343 u32 data3
; /* error-specific data */
344 u32 bcon_time
; /* beacon timer */
345 u32 tsf_low
; /* network timestamp function timer */
346 u32 tsf_hi
; /* network timestamp function timer */
347 u32 gp1
; /* GP1 timer register */
348 u32 gp2
; /* GP2 timer register */
349 u32 gp3
; /* GP3 timer register */
350 u32 ucode_ver
; /* uCode version */
351 u32 hw_ver
; /* HW Silicon version */
352 u32 brd_ver
; /* HW board version */
353 u32 log_pc
; /* log program counter */
354 u32 frame_ptr
; /* frame pointer */
355 u32 stack_ptr
; /* stack pointer */
356 u32 hcmd
; /* last host command header */
357 u32 isr0
; /* isr status register LMPM_NIC_ISR0:
359 u32 isr1
; /* isr status register LMPM_NIC_ISR1:
361 u32 isr2
; /* isr status register LMPM_NIC_ISR2:
363 u32 isr3
; /* isr status register LMPM_NIC_ISR3:
365 u32 isr4
; /* isr status register LMPM_NIC_ISR4:
367 u32 isr_pref
; /* isr status register LMPM_NIC_PREF_STAT */
368 u32 wait_event
; /* wait event() caller address */
369 u32 l2p_control
; /* L2pControlField */
370 u32 l2p_duration
; /* L2pDurationField */
371 u32 l2p_mhvalid
; /* L2pMhValidBits */
372 u32 l2p_addr_match
; /* L2pAddrMatchStat */
373 u32 lmpm_pmg_sel
; /* indicate which clocks are turned on
375 u32 u_timestamp
; /* indicate when the date and time of the
377 u32 flow_handler
; /* FH read/write pointers, RX credit */
381 * UMAC error struct - relevant starting from family 8000 chip.
382 * Note: This structure is read from the device with IO accesses,
383 * and the reading already does the endian conversion. As it is
384 * read with u32-sized accesses, any members with a different size
385 * need to be ordered correctly though!
387 struct iwl_umac_error_event_table
{
388 u32 valid
; /* (nonzero) valid, (0) log is empty */
389 u32 error_id
; /* type of error */
390 u32 pc
; /* program counter */
391 u32 blink1
; /* branch link */
392 u32 blink2
; /* branch link */
393 u32 ilink1
; /* interrupt link */
394 u32 ilink2
; /* interrupt link */
395 u32 data1
; /* error-specific data */
396 u32 data2
; /* error-specific data */
397 u32 line
; /* source code line of error */
398 u32 umac_ver
; /* umac version */
401 #define ERROR_START_OFFSET (1 * sizeof(u32))
402 #define ERROR_ELEM_SIZE (7 * sizeof(u32))
404 static void iwl_mvm_dump_umac_error_log(struct iwl_mvm
*mvm
)
406 struct iwl_trans
*trans
= mvm
->trans
;
407 struct iwl_umac_error_event_table table
;
410 base
= mvm
->umac_error_event_table
;
412 if (base
< 0x800000 || base
>= 0x80C000) {
414 "Not valid error log pointer 0x%08X for %s uCode\n",
416 (mvm
->cur_ucode
== IWL_UCODE_INIT
)
421 iwl_trans_read_mem_bytes(trans
, base
, &table
, sizeof(table
));
423 if (ERROR_START_OFFSET
<= table
.valid
* ERROR_ELEM_SIZE
) {
424 IWL_ERR(trans
, "Start IWL Error Log Dump:\n");
425 IWL_ERR(trans
, "Status: 0x%08lX, count: %d\n",
426 mvm
->status
, table
.valid
);
429 IWL_ERR(mvm
, "0x%08X | %-28s\n", table
.error_id
,
430 desc_lookup(table
.error_id
));
431 IWL_ERR(mvm
, "0x%08X | umac uPc\n", table
.pc
);
432 IWL_ERR(mvm
, "0x%08X | umac branchlink1\n", table
.blink1
);
433 IWL_ERR(mvm
, "0x%08X | umac branchlink2\n", table
.blink2
);
434 IWL_ERR(mvm
, "0x%08X | umac interruptlink1\n", table
.ilink1
);
435 IWL_ERR(mvm
, "0x%08X | umac interruptlink2\n", table
.ilink2
);
436 IWL_ERR(mvm
, "0x%08X | umac data1\n", table
.data1
);
437 IWL_ERR(mvm
, "0x%08X | umac data2\n", table
.data2
);
438 IWL_ERR(mvm
, "0x%08X | umac version\n", table
.umac_ver
);
441 void iwl_mvm_dump_nic_error_log(struct iwl_mvm
*mvm
)
443 struct iwl_trans
*trans
= mvm
->trans
;
444 struct iwl_error_event_table table
;
447 base
= mvm
->error_event_table
;
448 if (mvm
->cur_ucode
== IWL_UCODE_INIT
) {
450 base
= mvm
->fw
->init_errlog_ptr
;
453 base
= mvm
->fw
->inst_errlog_ptr
;
456 if (base
< 0x800000) {
458 "Not valid error log pointer 0x%08X for %s uCode\n",
460 (mvm
->cur_ucode
== IWL_UCODE_INIT
)
465 iwl_trans_read_mem_bytes(trans
, base
, &table
, sizeof(table
));
467 if (ERROR_START_OFFSET
<= table
.valid
* ERROR_ELEM_SIZE
) {
468 IWL_ERR(trans
, "Start IWL Error Log Dump:\n");
469 IWL_ERR(trans
, "Status: 0x%08lX, count: %d\n",
470 mvm
->status
, table
.valid
);
473 /* Do not change this output - scripts rely on it */
475 IWL_ERR(mvm
, "Loaded firmware version: %s\n", mvm
->fw
->fw_version
);
477 trace_iwlwifi_dev_ucode_error(trans
->dev
, table
.error_id
, table
.tsf_low
,
478 table
.data1
, table
.data2
, table
.data3
,
479 table
.blink1
, table
.blink2
, table
.ilink1
,
480 table
.ilink2
, table
.bcon_time
, table
.gp1
,
481 table
.gp2
, table
.gp3
, table
.ucode_ver
,
482 table
.hw_ver
, table
.brd_ver
);
483 IWL_ERR(mvm
, "0x%08X | %-28s\n", table
.error_id
,
484 desc_lookup(table
.error_id
));
485 IWL_ERR(mvm
, "0x%08X | uPc\n", table
.pc
);
486 IWL_ERR(mvm
, "0x%08X | branchlink1\n", table
.blink1
);
487 IWL_ERR(mvm
, "0x%08X | branchlink2\n", table
.blink2
);
488 IWL_ERR(mvm
, "0x%08X | interruptlink1\n", table
.ilink1
);
489 IWL_ERR(mvm
, "0x%08X | interruptlink2\n", table
.ilink2
);
490 IWL_ERR(mvm
, "0x%08X | data1\n", table
.data1
);
491 IWL_ERR(mvm
, "0x%08X | data2\n", table
.data2
);
492 IWL_ERR(mvm
, "0x%08X | data3\n", table
.data3
);
493 IWL_ERR(mvm
, "0x%08X | beacon time\n", table
.bcon_time
);
494 IWL_ERR(mvm
, "0x%08X | tsf low\n", table
.tsf_low
);
495 IWL_ERR(mvm
, "0x%08X | tsf hi\n", table
.tsf_hi
);
496 IWL_ERR(mvm
, "0x%08X | time gp1\n", table
.gp1
);
497 IWL_ERR(mvm
, "0x%08X | time gp2\n", table
.gp2
);
498 IWL_ERR(mvm
, "0x%08X | time gp3\n", table
.gp3
);
499 IWL_ERR(mvm
, "0x%08X | uCode version\n", table
.ucode_ver
);
500 IWL_ERR(mvm
, "0x%08X | hw version\n", table
.hw_ver
);
501 IWL_ERR(mvm
, "0x%08X | board version\n", table
.brd_ver
);
502 IWL_ERR(mvm
, "0x%08X | hcmd\n", table
.hcmd
);
503 IWL_ERR(mvm
, "0x%08X | isr0\n", table
.isr0
);
504 IWL_ERR(mvm
, "0x%08X | isr1\n", table
.isr1
);
505 IWL_ERR(mvm
, "0x%08X | isr2\n", table
.isr2
);
506 IWL_ERR(mvm
, "0x%08X | isr3\n", table
.isr3
);
507 IWL_ERR(mvm
, "0x%08X | isr4\n", table
.isr4
);
508 IWL_ERR(mvm
, "0x%08X | isr_pref\n", table
.isr_pref
);
509 IWL_ERR(mvm
, "0x%08X | wait_event\n", table
.wait_event
);
510 IWL_ERR(mvm
, "0x%08X | l2p_control\n", table
.l2p_control
);
511 IWL_ERR(mvm
, "0x%08X | l2p_duration\n", table
.l2p_duration
);
512 IWL_ERR(mvm
, "0x%08X | l2p_mhvalid\n", table
.l2p_mhvalid
);
513 IWL_ERR(mvm
, "0x%08X | l2p_addr_match\n", table
.l2p_addr_match
);
514 IWL_ERR(mvm
, "0x%08X | lmpm_pmg_sel\n", table
.lmpm_pmg_sel
);
515 IWL_ERR(mvm
, "0x%08X | timestamp\n", table
.u_timestamp
);
516 IWL_ERR(mvm
, "0x%08X | flow_handler\n", table
.flow_handler
);
518 if (mvm
->support_umac_log
)
519 iwl_mvm_dump_umac_error_log(mvm
);
523 * iwl_mvm_send_lq_cmd() - Send link quality command
524 * @init: This command is sent as part of station initialization right
525 * after station has been added.
527 * The link quality command is sent as the last step of station creation.
528 * This is the special case in which init is set and we call a callback in
529 * this case to clear the state indicating that station creation is in
532 int iwl_mvm_send_lq_cmd(struct iwl_mvm
*mvm
, struct iwl_lq_cmd
*lq
, bool init
)
534 struct iwl_host_cmd cmd
= {
536 .len
= { sizeof(struct iwl_lq_cmd
), },
537 .flags
= init
? 0 : CMD_ASYNC
,
541 if (WARN_ON(lq
->sta_id
== IWL_MVM_STATION_COUNT
))
544 return iwl_mvm_send_cmd(mvm
, &cmd
);
548 * iwl_mvm_update_smps - Get a requst to change the SMPS mode
549 * @req_type: The part of the driver who call for a change.
550 * @smps_requests: The request to change the SMPS mode.
552 * Get a requst to change the SMPS mode,
553 * and change it according to all other requests in the driver.
555 void iwl_mvm_update_smps(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
556 enum iwl_mvm_smps_type_request req_type
,
557 enum ieee80211_smps_mode smps_request
)
559 struct iwl_mvm_vif
*mvmvif
;
560 enum ieee80211_smps_mode smps_mode
;
563 lockdep_assert_held(&mvm
->mutex
);
565 /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */
566 if (num_of_ant(mvm
->fw
->valid_rx_ant
) == 1)
569 if (vif
->type
== NL80211_IFTYPE_AP
)
570 smps_mode
= IEEE80211_SMPS_OFF
;
572 smps_mode
= IEEE80211_SMPS_AUTOMATIC
;
574 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
575 mvmvif
->smps_requests
[req_type
] = smps_request
;
576 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
577 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
) {
578 smps_mode
= IEEE80211_SMPS_STATIC
;
581 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
582 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
585 ieee80211_request_smps(vif
, smps_mode
);
588 static void iwl_mvm_diversity_iter(void *_data
, u8
*mac
,
589 struct ieee80211_vif
*vif
)
591 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
592 bool *result
= _data
;
595 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
596 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
||
597 mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
602 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm
*mvm
)
606 lockdep_assert_held(&mvm
->mutex
);
608 if (num_of_ant(mvm
->fw
->valid_rx_ant
) == 1)
611 if (!mvm
->cfg
->rx_with_siso_diversity
)
614 ieee80211_iterate_active_interfaces_atomic(
615 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
616 iwl_mvm_diversity_iter
, &result
);
621 int iwl_mvm_update_low_latency(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
624 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
627 lockdep_assert_held(&mvm
->mutex
);
629 if (mvmvif
->low_latency
== value
)
632 mvmvif
->low_latency
= value
;
634 res
= iwl_mvm_update_quotas(mvm
, NULL
);
638 iwl_mvm_bt_coex_vif_change(mvm
);
640 return iwl_mvm_power_update_mac(mvm
);
643 static void iwl_mvm_ll_iter(void *_data
, u8
*mac
, struct ieee80211_vif
*vif
)
645 bool *result
= _data
;
647 if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(vif
)))
651 bool iwl_mvm_low_latency(struct iwl_mvm
*mvm
)
655 ieee80211_iterate_active_interfaces_atomic(
656 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
657 iwl_mvm_ll_iter
, &result
);
662 static void iwl_mvm_idle_iter(void *_data
, u8
*mac
, struct ieee80211_vif
*vif
)
666 if (!vif
->bss_conf
.idle
)
670 bool iwl_mvm_is_idle(struct iwl_mvm
*mvm
)
674 ieee80211_iterate_active_interfaces_atomic(
675 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
676 iwl_mvm_idle_iter
, &idle
);