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.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
10 * Copyright (C) 2015 Intel Deutschland GmbH
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.
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.
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,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
37 * All rights reserved.
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
43 * * Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * * Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in
47 * the documentation and/or other materials provided with the
49 * * Neither the name Intel Corporation nor the names of its
50 * contributors may be used to endorse or promote products derived
51 * from this software without specific prior written permission.
53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
54 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
55 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
56 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
57 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
59 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 *****************************************************************************/
66 #include <net/mac80211.h>
68 #include "iwl-debug.h"
73 #include "fw-api-rs.h"
76 * Will return 0 even if the cmd failed when RFKILL is asserted unless
77 * CMD_WANT_SKB is set in cmd->flags.
79 int iwl_mvm_send_cmd(struct iwl_mvm
*mvm
, struct iwl_host_cmd
*cmd
)
83 #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP)
84 if (WARN_ON(mvm
->d3_test_active
))
89 * Synchronous commands from this op-mode must hold
90 * the mutex, this ensures we don't try to send two
91 * (or more) synchronous commands at a time.
93 if (!(cmd
->flags
& CMD_ASYNC
)) {
94 lockdep_assert_held(&mvm
->mutex
);
95 if (!(cmd
->flags
& CMD_SEND_IN_IDLE
))
96 iwl_mvm_ref(mvm
, IWL_MVM_REF_SENDING_CMD
);
99 ret
= iwl_trans_send_cmd(mvm
->trans
, cmd
);
101 if (!(cmd
->flags
& (CMD_ASYNC
| CMD_SEND_IN_IDLE
)))
102 iwl_mvm_unref(mvm
, IWL_MVM_REF_SENDING_CMD
);
105 * If the caller wants the SKB, then don't hide any problems, the
106 * caller might access the response buffer which will be NULL if
107 * the command failed.
109 if (cmd
->flags
& CMD_WANT_SKB
)
112 /* Silently ignore failures if RFKILL is asserted */
113 if (!ret
|| ret
== -ERFKILL
)
118 int iwl_mvm_send_cmd_pdu(struct iwl_mvm
*mvm
, u32 id
,
119 u32 flags
, u16 len
, const void *data
)
121 struct iwl_host_cmd cmd
= {
128 return iwl_mvm_send_cmd(mvm
, &cmd
);
132 * We assume that the caller set the status to the success value
134 int iwl_mvm_send_cmd_status(struct iwl_mvm
*mvm
, struct iwl_host_cmd
*cmd
,
137 struct iwl_rx_packet
*pkt
;
138 struct iwl_cmd_response
*resp
;
141 lockdep_assert_held(&mvm
->mutex
);
143 #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP)
144 if (WARN_ON(mvm
->d3_test_active
))
149 * Only synchronous commands can wait for status,
150 * we use WANT_SKB so the caller can't.
152 if (WARN_ONCE(cmd
->flags
& (CMD_ASYNC
| CMD_WANT_SKB
),
153 "cmd flags %x", cmd
->flags
))
156 cmd
->flags
|= CMD_WANT_SKB
;
158 ret
= iwl_trans_send_cmd(mvm
->trans
, cmd
);
159 if (ret
== -ERFKILL
) {
161 * The command failed because of RFKILL, don't update
162 * the status, leave it as success and return 0.
170 /* Can happen if RFKILL is asserted */
176 resp_len
= iwl_rx_packet_payload_len(pkt
);
177 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
182 resp
= (void *)pkt
->data
;
183 *status
= le32_to_cpu(resp
->status
);
190 * We assume that the caller set the status to the sucess value
192 int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm
*mvm
, u32 id
, u16 len
,
193 const void *data
, u32
*status
)
195 struct iwl_host_cmd cmd
= {
201 return iwl_mvm_send_cmd_status(mvm
, &cmd
, status
);
204 #define IWL_DECLARE_RATE_INFO(r) \
205 [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP
208 * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP
210 static const u8 fw_rate_idx_to_plcp
[IWL_RATE_COUNT
] = {
211 IWL_DECLARE_RATE_INFO(1),
212 IWL_DECLARE_RATE_INFO(2),
213 IWL_DECLARE_RATE_INFO(5),
214 IWL_DECLARE_RATE_INFO(11),
215 IWL_DECLARE_RATE_INFO(6),
216 IWL_DECLARE_RATE_INFO(9),
217 IWL_DECLARE_RATE_INFO(12),
218 IWL_DECLARE_RATE_INFO(18),
219 IWL_DECLARE_RATE_INFO(24),
220 IWL_DECLARE_RATE_INFO(36),
221 IWL_DECLARE_RATE_INFO(48),
222 IWL_DECLARE_RATE_INFO(54),
225 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags
,
226 enum nl80211_band band
)
228 int rate
= rate_n_flags
& RATE_LEGACY_RATE_MSK
;
232 /* Legacy rate format, search for match in table */
233 if (band
== NL80211_BAND_5GHZ
)
234 band_offset
= IWL_FIRST_OFDM_RATE
;
235 for (idx
= band_offset
; idx
< IWL_RATE_COUNT_LEGACY
; idx
++)
236 if (fw_rate_idx_to_plcp
[idx
] == rate
)
237 return idx
- band_offset
;
242 u8
iwl_mvm_mac80211_idx_to_hwrate(int rate_idx
)
244 /* Get PLCP rate for tx_cmd->rate_n_flags */
245 return fw_rate_idx_to_plcp
[rate_idx
];
248 void iwl_mvm_rx_fw_error(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
250 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
251 struct iwl_error_resp
*err_resp
= (void *)pkt
->data
;
253 IWL_ERR(mvm
, "FW Error notification: type 0x%08X cmd_id 0x%02X\n",
254 le32_to_cpu(err_resp
->error_type
), err_resp
->cmd_id
);
255 IWL_ERR(mvm
, "FW Error notification: seq 0x%04X service 0x%08X\n",
256 le16_to_cpu(err_resp
->bad_cmd_seq_num
),
257 le32_to_cpu(err_resp
->error_service
));
258 IWL_ERR(mvm
, "FW Error notification: timestamp 0x%16llX\n",
259 le64_to_cpu(err_resp
->timestamp
));
263 * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h.
264 * The parameter should also be a combination of ANT_[ABC].
266 u8
first_antenna(u8 mask
)
268 BUILD_BUG_ON(ANT_A
!= BIT(0)); /* using ffs is wrong if not */
269 if (WARN_ON_ONCE(!mask
)) /* ffs will return 0 if mask is zeroed */
271 return BIT(ffs(mask
) - 1);
275 * Toggles between TX antennas to send the probe request on.
276 * Receives the bitmask of valid TX antennas and the *index* used
277 * for the last TX, and returns the next valid *index* to use.
278 * In order to set it in the tx_cmd, must do BIT(idx).
280 u8
iwl_mvm_next_antenna(struct iwl_mvm
*mvm
, u8 valid
, u8 last_idx
)
285 for (i
= 0; i
< RATE_MCS_ANT_NUM
; i
++) {
286 ind
= (ind
+ 1) % RATE_MCS_ANT_NUM
;
287 if (valid
& BIT(ind
))
291 WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid
);
295 static const struct {
298 } advanced_lookup
[] = {
299 { "NMI_INTERRUPT_WDG", 0x34 },
300 { "SYSASSERT", 0x35 },
301 { "UCODE_VERSION_MISMATCH", 0x37 },
302 { "BAD_COMMAND", 0x38 },
303 { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
304 { "FATAL_ERROR", 0x3D },
305 { "NMI_TRM_HW_ERR", 0x46 },
306 { "NMI_INTERRUPT_TRM", 0x4C },
307 { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
308 { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
309 { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
310 { "NMI_INTERRUPT_HOST", 0x66 },
311 { "NMI_INTERRUPT_ACTION_PT", 0x7C },
312 { "NMI_INTERRUPT_UNKNOWN", 0x84 },
313 { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
314 { "ADVANCED_SYSASSERT", 0 },
317 static const char *desc_lookup(u32 num
)
321 for (i
= 0; i
< ARRAY_SIZE(advanced_lookup
) - 1; i
++)
322 if (advanced_lookup
[i
].num
== num
)
323 return advanced_lookup
[i
].name
;
325 /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
326 return advanced_lookup
[i
].name
;
330 * Note: This structure is read from the device with IO accesses,
331 * and the reading already does the endian conversion. As it is
332 * read with u32-sized accesses, any members with a different size
333 * need to be ordered correctly though!
335 struct iwl_error_event_table_v1
{
336 u32 valid
; /* (nonzero) valid, (0) log is empty */
337 u32 error_id
; /* type of error */
338 u32 pc
; /* program counter */
339 u32 blink1
; /* branch link */
340 u32 blink2
; /* branch link */
341 u32 ilink1
; /* interrupt link */
342 u32 ilink2
; /* interrupt link */
343 u32 data1
; /* error-specific data */
344 u32 data2
; /* error-specific data */
345 u32 data3
; /* error-specific data */
346 u32 bcon_time
; /* beacon timer */
347 u32 tsf_low
; /* network timestamp function timer */
348 u32 tsf_hi
; /* network timestamp function timer */
349 u32 gp1
; /* GP1 timer register */
350 u32 gp2
; /* GP2 timer register */
351 u32 gp3
; /* GP3 timer register */
352 u32 ucode_ver
; /* uCode version */
353 u32 hw_ver
; /* HW Silicon version */
354 u32 brd_ver
; /* HW board version */
355 u32 log_pc
; /* log program counter */
356 u32 frame_ptr
; /* frame pointer */
357 u32 stack_ptr
; /* stack pointer */
358 u32 hcmd
; /* last host command header */
359 u32 isr0
; /* isr status register LMPM_NIC_ISR0:
361 u32 isr1
; /* isr status register LMPM_NIC_ISR1:
363 u32 isr2
; /* isr status register LMPM_NIC_ISR2:
365 u32 isr3
; /* isr status register LMPM_NIC_ISR3:
367 u32 isr4
; /* isr status register LMPM_NIC_ISR4:
369 u32 isr_pref
; /* isr status register LMPM_NIC_PREF_STAT */
370 u32 wait_event
; /* wait event() caller address */
371 u32 l2p_control
; /* L2pControlField */
372 u32 l2p_duration
; /* L2pDurationField */
373 u32 l2p_mhvalid
; /* L2pMhValidBits */
374 u32 l2p_addr_match
; /* L2pAddrMatchStat */
375 u32 lmpm_pmg_sel
; /* indicate which clocks are turned on
377 u32 u_timestamp
; /* indicate when the date and time of the
379 u32 flow_handler
; /* FH read/write pointers, RX credit */
380 } __packed
/* LOG_ERROR_TABLE_API_S_VER_1 */;
382 struct iwl_error_event_table
{
383 u32 valid
; /* (nonzero) valid, (0) log is empty */
384 u32 error_id
; /* type of error */
385 u32 trm_hw_status0
; /* TRM HW status */
386 u32 trm_hw_status1
; /* TRM HW status */
387 u32 blink2
; /* branch link */
388 u32 ilink1
; /* interrupt link */
389 u32 ilink2
; /* interrupt link */
390 u32 data1
; /* error-specific data */
391 u32 data2
; /* error-specific data */
392 u32 data3
; /* error-specific data */
393 u32 bcon_time
; /* beacon timer */
394 u32 tsf_low
; /* network timestamp function timer */
395 u32 tsf_hi
; /* network timestamp function timer */
396 u32 gp1
; /* GP1 timer register */
397 u32 gp2
; /* GP2 timer register */
398 u32 fw_rev_type
; /* firmware revision type */
399 u32 major
; /* uCode version major */
400 u32 minor
; /* uCode version minor */
401 u32 hw_ver
; /* HW Silicon version */
402 u32 brd_ver
; /* HW board version */
403 u32 log_pc
; /* log program counter */
404 u32 frame_ptr
; /* frame pointer */
405 u32 stack_ptr
; /* stack pointer */
406 u32 hcmd
; /* last host command header */
407 u32 isr0
; /* isr status register LMPM_NIC_ISR0:
409 u32 isr1
; /* isr status register LMPM_NIC_ISR1:
411 u32 isr2
; /* isr status register LMPM_NIC_ISR2:
413 u32 isr3
; /* isr status register LMPM_NIC_ISR3:
415 u32 isr4
; /* isr status register LMPM_NIC_ISR4:
417 u32 last_cmd_id
; /* last HCMD id handled by the firmware */
418 u32 wait_event
; /* wait event() caller address */
419 u32 l2p_control
; /* L2pControlField */
420 u32 l2p_duration
; /* L2pDurationField */
421 u32 l2p_mhvalid
; /* L2pMhValidBits */
422 u32 l2p_addr_match
; /* L2pAddrMatchStat */
423 u32 lmpm_pmg_sel
; /* indicate which clocks are turned on
425 u32 u_timestamp
; /* indicate when the date and time of the
427 u32 flow_handler
; /* FH read/write pointers, RX credit */
428 } __packed
/* LOG_ERROR_TABLE_API_S_VER_3 */;
431 * UMAC error struct - relevant starting from family 8000 chip.
432 * Note: This structure is read from the device with IO accesses,
433 * and the reading already does the endian conversion. As it is
434 * read with u32-sized accesses, any members with a different size
435 * need to be ordered correctly though!
437 struct iwl_umac_error_event_table
{
438 u32 valid
; /* (nonzero) valid, (0) log is empty */
439 u32 error_id
; /* type of error */
440 u32 blink1
; /* branch link */
441 u32 blink2
; /* branch link */
442 u32 ilink1
; /* interrupt link */
443 u32 ilink2
; /* interrupt link */
444 u32 data1
; /* error-specific data */
445 u32 data2
; /* error-specific data */
446 u32 data3
; /* error-specific data */
449 u32 frame_pointer
; /* core register 27*/
450 u32 stack_pointer
; /* core register 28 */
451 u32 cmd_header
; /* latest host cmd sent to UMAC */
452 u32 nic_isr_pref
; /* ISR status register */
455 #define ERROR_START_OFFSET (1 * sizeof(u32))
456 #define ERROR_ELEM_SIZE (7 * sizeof(u32))
458 static void iwl_mvm_dump_umac_error_log(struct iwl_mvm
*mvm
)
460 struct iwl_trans
*trans
= mvm
->trans
;
461 struct iwl_umac_error_event_table table
;
464 base
= mvm
->umac_error_event_table
;
466 if (base
< 0x800000) {
468 "Not valid error log pointer 0x%08X for %s uCode\n",
470 (mvm
->cur_ucode
== IWL_UCODE_INIT
)
475 iwl_trans_read_mem_bytes(trans
, base
, &table
, sizeof(table
));
477 if (ERROR_START_OFFSET
<= table
.valid
* ERROR_ELEM_SIZE
) {
478 IWL_ERR(trans
, "Start IWL Error Log Dump:\n");
479 IWL_ERR(trans
, "Status: 0x%08lX, count: %d\n",
480 mvm
->status
, table
.valid
);
483 IWL_ERR(mvm
, "0x%08X | %s\n", table
.error_id
,
484 desc_lookup(table
.error_id
));
485 IWL_ERR(mvm
, "0x%08X | umac branchlink1\n", table
.blink1
);
486 IWL_ERR(mvm
, "0x%08X | umac branchlink2\n", table
.blink2
);
487 IWL_ERR(mvm
, "0x%08X | umac interruptlink1\n", table
.ilink1
);
488 IWL_ERR(mvm
, "0x%08X | umac interruptlink2\n", table
.ilink2
);
489 IWL_ERR(mvm
, "0x%08X | umac data1\n", table
.data1
);
490 IWL_ERR(mvm
, "0x%08X | umac data2\n", table
.data2
);
491 IWL_ERR(mvm
, "0x%08X | umac data3\n", table
.data3
);
492 IWL_ERR(mvm
, "0x%08X | umac major\n", table
.umac_major
);
493 IWL_ERR(mvm
, "0x%08X | umac minor\n", table
.umac_minor
);
494 IWL_ERR(mvm
, "0x%08X | frame pointer\n", table
.frame_pointer
);
495 IWL_ERR(mvm
, "0x%08X | stack pointer\n", table
.stack_pointer
);
496 IWL_ERR(mvm
, "0x%08X | last host cmd\n", table
.cmd_header
);
497 IWL_ERR(mvm
, "0x%08X | isr status reg\n", table
.nic_isr_pref
);
500 void iwl_mvm_dump_nic_error_log(struct iwl_mvm
*mvm
)
502 struct iwl_trans
*trans
= mvm
->trans
;
503 struct iwl_error_event_table table
;
506 base
= mvm
->error_event_table
;
507 if (mvm
->cur_ucode
== IWL_UCODE_INIT
) {
509 base
= mvm
->fw
->init_errlog_ptr
;
512 base
= mvm
->fw
->inst_errlog_ptr
;
515 if (base
< 0x800000) {
517 "Not valid error log pointer 0x%08X for %s uCode\n",
519 (mvm
->cur_ucode
== IWL_UCODE_INIT
)
524 iwl_trans_read_mem_bytes(trans
, base
, &table
, sizeof(table
));
526 if (ERROR_START_OFFSET
<= table
.valid
* ERROR_ELEM_SIZE
) {
527 IWL_ERR(trans
, "Start IWL Error Log Dump:\n");
528 IWL_ERR(trans
, "Status: 0x%08lX, count: %d\n",
529 mvm
->status
, table
.valid
);
532 /* Do not change this output - scripts rely on it */
534 IWL_ERR(mvm
, "Loaded firmware version: %s\n", mvm
->fw
->fw_version
);
536 trace_iwlwifi_dev_ucode_error(trans
->dev
, table
.error_id
, table
.tsf_low
,
537 table
.data1
, table
.data2
, table
.data3
,
538 table
.blink2
, table
.ilink1
,
539 table
.ilink2
, table
.bcon_time
, table
.gp1
,
540 table
.gp2
, table
.fw_rev_type
, table
.major
,
541 table
.minor
, table
.hw_ver
, table
.brd_ver
);
542 IWL_ERR(mvm
, "0x%08X | %-28s\n", table
.error_id
,
543 desc_lookup(table
.error_id
));
544 IWL_ERR(mvm
, "0x%08X | trm_hw_status0\n", table
.trm_hw_status0
);
545 IWL_ERR(mvm
, "0x%08X | trm_hw_status1\n", table
.trm_hw_status1
);
546 IWL_ERR(mvm
, "0x%08X | branchlink2\n", table
.blink2
);
547 IWL_ERR(mvm
, "0x%08X | interruptlink1\n", table
.ilink1
);
548 IWL_ERR(mvm
, "0x%08X | interruptlink2\n", table
.ilink2
);
549 IWL_ERR(mvm
, "0x%08X | data1\n", table
.data1
);
550 IWL_ERR(mvm
, "0x%08X | data2\n", table
.data2
);
551 IWL_ERR(mvm
, "0x%08X | data3\n", table
.data3
);
552 IWL_ERR(mvm
, "0x%08X | beacon time\n", table
.bcon_time
);
553 IWL_ERR(mvm
, "0x%08X | tsf low\n", table
.tsf_low
);
554 IWL_ERR(mvm
, "0x%08X | tsf hi\n", table
.tsf_hi
);
555 IWL_ERR(mvm
, "0x%08X | time gp1\n", table
.gp1
);
556 IWL_ERR(mvm
, "0x%08X | time gp2\n", table
.gp2
);
557 IWL_ERR(mvm
, "0x%08X | uCode revision type\n", table
.fw_rev_type
);
558 IWL_ERR(mvm
, "0x%08X | uCode version major\n", table
.major
);
559 IWL_ERR(mvm
, "0x%08X | uCode version minor\n", table
.minor
);
560 IWL_ERR(mvm
, "0x%08X | hw version\n", table
.hw_ver
);
561 IWL_ERR(mvm
, "0x%08X | board version\n", table
.brd_ver
);
562 IWL_ERR(mvm
, "0x%08X | hcmd\n", table
.hcmd
);
563 IWL_ERR(mvm
, "0x%08X | isr0\n", table
.isr0
);
564 IWL_ERR(mvm
, "0x%08X | isr1\n", table
.isr1
);
565 IWL_ERR(mvm
, "0x%08X | isr2\n", table
.isr2
);
566 IWL_ERR(mvm
, "0x%08X | isr3\n", table
.isr3
);
567 IWL_ERR(mvm
, "0x%08X | isr4\n", table
.isr4
);
568 IWL_ERR(mvm
, "0x%08X | last cmd Id\n", table
.last_cmd_id
);
569 IWL_ERR(mvm
, "0x%08X | wait_event\n", table
.wait_event
);
570 IWL_ERR(mvm
, "0x%08X | l2p_control\n", table
.l2p_control
);
571 IWL_ERR(mvm
, "0x%08X | l2p_duration\n", table
.l2p_duration
);
572 IWL_ERR(mvm
, "0x%08X | l2p_mhvalid\n", table
.l2p_mhvalid
);
573 IWL_ERR(mvm
, "0x%08X | l2p_addr_match\n", table
.l2p_addr_match
);
574 IWL_ERR(mvm
, "0x%08X | lmpm_pmg_sel\n", table
.lmpm_pmg_sel
);
575 IWL_ERR(mvm
, "0x%08X | timestamp\n", table
.u_timestamp
);
576 IWL_ERR(mvm
, "0x%08X | flow_handler\n", table
.flow_handler
);
578 if (mvm
->support_umac_log
)
579 iwl_mvm_dump_umac_error_log(mvm
);
582 int iwl_mvm_find_free_queue(struct iwl_mvm
*mvm
, u8 sta_id
, u8 minq
, u8 maxq
)
586 lockdep_assert_held(&mvm
->queue_info_lock
);
588 /* Start by looking for a free queue */
589 for (i
= minq
; i
<= maxq
; i
++)
590 if (mvm
->queue_info
[i
].hw_queue_refcount
== 0 &&
591 mvm
->queue_info
[i
].status
== IWL_MVM_QUEUE_FREE
)
595 * If no free queue found - settle for an inactive one to reconfigure
596 * Make sure that the inactive queue either already belongs to this STA,
597 * or that if it belongs to another one - it isn't the reserved queue
599 for (i
= minq
; i
<= maxq
; i
++)
600 if (mvm
->queue_info
[i
].status
== IWL_MVM_QUEUE_INACTIVE
&&
601 (sta_id
== mvm
->queue_info
[i
].ra_sta_id
||
602 !mvm
->queue_info
[i
].reserved
))
608 int iwl_mvm_reconfig_scd(struct iwl_mvm
*mvm
, int queue
, int fifo
, int sta_id
,
609 int tid
, int frame_limit
, u16 ssn
)
611 struct iwl_scd_txq_cfg_cmd cmd
= {
613 .action
= SCD_CFG_ENABLE_QUEUE
,
614 .window
= frame_limit
,
616 .ssn
= cpu_to_le16(ssn
),
618 .aggregate
= (queue
>= IWL_MVM_DQA_MIN_DATA_QUEUE
||
619 queue
== IWL_MVM_DQA_BSS_CLIENT_QUEUE
),
624 spin_lock_bh(&mvm
->queue_info_lock
);
625 if (WARN(mvm
->queue_info
[queue
].hw_queue_refcount
== 0,
626 "Trying to reconfig unallocated queue %d\n", queue
)) {
627 spin_unlock_bh(&mvm
->queue_info_lock
);
630 spin_unlock_bh(&mvm
->queue_info_lock
);
632 IWL_DEBUG_TX_QUEUES(mvm
, "Reconfig SCD for TXQ #%d\n", queue
);
634 ret
= iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, 0, sizeof(cmd
), &cmd
);
635 WARN_ONCE(ret
, "Failed to re-configure queue %d on FIFO %d, ret=%d\n",
641 void iwl_mvm_enable_txq(struct iwl_mvm
*mvm
, int queue
, int mac80211_queue
,
642 u16 ssn
, const struct iwl_trans_txq_scd_cfg
*cfg
,
643 unsigned int wdg_timeout
)
645 bool enable_queue
= true;
647 spin_lock_bh(&mvm
->queue_info_lock
);
649 /* Make sure this TID isn't already enabled */
650 if (mvm
->queue_info
[queue
].tid_bitmap
& BIT(cfg
->tid
)) {
651 spin_unlock_bh(&mvm
->queue_info_lock
);
652 IWL_ERR(mvm
, "Trying to enable TXQ with existing TID %d\n",
657 /* Update mappings and refcounts */
658 if (mvm
->queue_info
[queue
].hw_queue_refcount
> 0)
659 enable_queue
= false;
661 mvm
->queue_info
[queue
].hw_queue_to_mac80211
|= BIT(mac80211_queue
);
662 mvm
->queue_info
[queue
].hw_queue_refcount
++;
663 mvm
->queue_info
[queue
].tid_bitmap
|= BIT(cfg
->tid
);
664 mvm
->queue_info
[queue
].ra_sta_id
= cfg
->sta_id
;
667 if (cfg
->tid
!= IWL_MAX_TID_COUNT
)
668 mvm
->queue_info
[queue
].mac80211_ac
=
669 tid_to_mac80211_ac
[cfg
->tid
];
671 mvm
->queue_info
[queue
].mac80211_ac
= IEEE80211_AC_VO
;
673 mvm
->queue_info
[queue
].txq_tid
= cfg
->tid
;
676 IWL_DEBUG_TX_QUEUES(mvm
,
677 "Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
678 queue
, mvm
->queue_info
[queue
].hw_queue_refcount
,
679 mvm
->queue_info
[queue
].hw_queue_to_mac80211
);
681 spin_unlock_bh(&mvm
->queue_info_lock
);
683 /* Send the enabling command if we need to */
685 struct iwl_scd_txq_cfg_cmd cmd
= {
687 .action
= SCD_CFG_ENABLE_QUEUE
,
688 .window
= cfg
->frame_limit
,
689 .sta_id
= cfg
->sta_id
,
690 .ssn
= cpu_to_le16(ssn
),
691 .tx_fifo
= cfg
->fifo
,
692 .aggregate
= cfg
->aggregate
,
696 /* Set sta_id in the command, if it exists */
697 if (iwl_mvm_is_dqa_supported(mvm
))
698 cmd
.sta_id
= cfg
->sta_id
;
700 iwl_trans_txq_enable_cfg(mvm
->trans
, queue
, ssn
, NULL
,
702 WARN(iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, 0, sizeof(cmd
),
704 "Failed to configure queue %d on FIFO %d\n", queue
,
709 void iwl_mvm_disable_txq(struct iwl_mvm
*mvm
, int queue
, int mac80211_queue
,
712 struct iwl_scd_txq_cfg_cmd cmd
= {
714 .action
= SCD_CFG_DISABLE_QUEUE
,
716 bool remove_mac_queue
= true;
719 spin_lock_bh(&mvm
->queue_info_lock
);
721 if (WARN_ON(mvm
->queue_info
[queue
].hw_queue_refcount
== 0)) {
722 spin_unlock_bh(&mvm
->queue_info_lock
);
726 mvm
->queue_info
[queue
].tid_bitmap
&= ~BIT(tid
);
729 * If there is another TID with the same AC - don't remove the MAC queue
732 if (tid
< IWL_MAX_TID_COUNT
) {
733 unsigned long tid_bitmap
=
734 mvm
->queue_info
[queue
].tid_bitmap
;
735 int ac
= tid_to_mac80211_ac
[tid
];
738 for_each_set_bit(i
, &tid_bitmap
, IWL_MAX_TID_COUNT
) {
739 if (tid_to_mac80211_ac
[i
] == ac
)
740 remove_mac_queue
= false;
744 if (remove_mac_queue
)
745 mvm
->queue_info
[queue
].hw_queue_to_mac80211
&=
746 ~BIT(mac80211_queue
);
747 mvm
->queue_info
[queue
].hw_queue_refcount
--;
749 cmd
.action
= mvm
->queue_info
[queue
].hw_queue_refcount
?
750 SCD_CFG_ENABLE_QUEUE
: SCD_CFG_DISABLE_QUEUE
;
751 if (cmd
.action
== SCD_CFG_DISABLE_QUEUE
)
752 mvm
->queue_info
[queue
].status
= IWL_MVM_QUEUE_FREE
;
754 IWL_DEBUG_TX_QUEUES(mvm
,
755 "Disabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
757 mvm
->queue_info
[queue
].hw_queue_refcount
,
758 mvm
->queue_info
[queue
].hw_queue_to_mac80211
);
760 /* If the queue is still enabled - nothing left to do in this func */
761 if (cmd
.action
== SCD_CFG_ENABLE_QUEUE
) {
762 spin_unlock_bh(&mvm
->queue_info_lock
);
766 cmd
.sta_id
= mvm
->queue_info
[queue
].ra_sta_id
;
767 cmd
.tid
= mvm
->queue_info
[queue
].txq_tid
;
769 /* Make sure queue info is correct even though we overwrite it */
770 WARN(mvm
->queue_info
[queue
].hw_queue_refcount
||
771 mvm
->queue_info
[queue
].tid_bitmap
||
772 mvm
->queue_info
[queue
].hw_queue_to_mac80211
,
773 "TXQ #%d info out-of-sync - refcount=%d, mac map=0x%x, tid=0x%x\n",
774 queue
, mvm
->queue_info
[queue
].hw_queue_refcount
,
775 mvm
->queue_info
[queue
].hw_queue_to_mac80211
,
776 mvm
->queue_info
[queue
].tid_bitmap
);
778 /* If we are here - the queue is freed and we can zero out these vals */
779 mvm
->queue_info
[queue
].hw_queue_refcount
= 0;
780 mvm
->queue_info
[queue
].tid_bitmap
= 0;
781 mvm
->queue_info
[queue
].hw_queue_to_mac80211
= 0;
783 /* Regardless if this is a reserved TXQ for a STA - mark it as false */
784 mvm
->queue_info
[queue
].reserved
= false;
786 spin_unlock_bh(&mvm
->queue_info_lock
);
788 iwl_trans_txq_disable(mvm
->trans
, queue
, false);
789 ret
= iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, flags
,
792 IWL_ERR(mvm
, "Failed to disable queue %d (ret=%d)\n",
797 * iwl_mvm_send_lq_cmd() - Send link quality command
798 * @init: This command is sent as part of station initialization right
799 * after station has been added.
801 * The link quality command is sent as the last step of station creation.
802 * This is the special case in which init is set and we call a callback in
803 * this case to clear the state indicating that station creation is in
806 int iwl_mvm_send_lq_cmd(struct iwl_mvm
*mvm
, struct iwl_lq_cmd
*lq
, bool init
)
808 struct iwl_host_cmd cmd
= {
810 .len
= { sizeof(struct iwl_lq_cmd
), },
811 .flags
= init
? 0 : CMD_ASYNC
,
815 if (WARN_ON(lq
->sta_id
== IWL_MVM_STATION_COUNT
))
818 return iwl_mvm_send_cmd(mvm
, &cmd
);
822 * iwl_mvm_update_smps - Get a request to change the SMPS mode
823 * @req_type: The part of the driver who call for a change.
824 * @smps_requests: The request to change the SMPS mode.
826 * Get a requst to change the SMPS mode,
827 * and change it according to all other requests in the driver.
829 void iwl_mvm_update_smps(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
830 enum iwl_mvm_smps_type_request req_type
,
831 enum ieee80211_smps_mode smps_request
)
833 struct iwl_mvm_vif
*mvmvif
;
834 enum ieee80211_smps_mode smps_mode
;
837 lockdep_assert_held(&mvm
->mutex
);
839 /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */
840 if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm
)) == 1)
843 if (vif
->type
== NL80211_IFTYPE_AP
)
844 smps_mode
= IEEE80211_SMPS_OFF
;
846 smps_mode
= IEEE80211_SMPS_AUTOMATIC
;
848 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
849 mvmvif
->smps_requests
[req_type
] = smps_request
;
850 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
851 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
) {
852 smps_mode
= IEEE80211_SMPS_STATIC
;
855 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
856 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
859 ieee80211_request_smps(vif
, smps_mode
);
862 int iwl_mvm_request_statistics(struct iwl_mvm
*mvm
, bool clear
)
864 struct iwl_statistics_cmd scmd
= {
865 .flags
= clear
? cpu_to_le32(IWL_STATISTICS_FLG_CLEAR
) : 0,
867 struct iwl_host_cmd cmd
= {
868 .id
= STATISTICS_CMD
,
869 .len
[0] = sizeof(scmd
),
871 .flags
= CMD_WANT_SKB
,
875 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
879 iwl_mvm_handle_rx_statistics(mvm
, cmd
.resp_pkt
);
883 iwl_mvm_accu_radio_stats(mvm
);
888 void iwl_mvm_accu_radio_stats(struct iwl_mvm
*mvm
)
890 mvm
->accu_radio_stats
.rx_time
+= mvm
->radio_stats
.rx_time
;
891 mvm
->accu_radio_stats
.tx_time
+= mvm
->radio_stats
.tx_time
;
892 mvm
->accu_radio_stats
.on_time_rf
+= mvm
->radio_stats
.on_time_rf
;
893 mvm
->accu_radio_stats
.on_time_scan
+= mvm
->radio_stats
.on_time_scan
;
896 static void iwl_mvm_diversity_iter(void *_data
, u8
*mac
,
897 struct ieee80211_vif
*vif
)
899 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
900 bool *result
= _data
;
903 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
904 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
||
905 mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
910 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm
*mvm
)
914 lockdep_assert_held(&mvm
->mutex
);
916 if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm
)) == 1)
919 if (mvm
->cfg
->rx_with_siso_diversity
)
922 ieee80211_iterate_active_interfaces_atomic(
923 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
924 iwl_mvm_diversity_iter
, &result
);
929 int iwl_mvm_update_low_latency(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
932 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
935 lockdep_assert_held(&mvm
->mutex
);
937 if (iwl_mvm_vif_low_latency(mvmvif
) == prev
)
940 res
= iwl_mvm_update_quotas(mvm
, false, NULL
);
944 iwl_mvm_bt_coex_vif_change(mvm
);
946 return iwl_mvm_power_update_mac(mvm
);
949 static void iwl_mvm_ll_iter(void *_data
, u8
*mac
, struct ieee80211_vif
*vif
)
951 bool *result
= _data
;
953 if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(vif
)))
957 bool iwl_mvm_low_latency(struct iwl_mvm
*mvm
)
961 ieee80211_iterate_active_interfaces_atomic(
962 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
963 iwl_mvm_ll_iter
, &result
);
968 struct iwl_bss_iter_data
{
969 struct ieee80211_vif
*vif
;
973 static void iwl_mvm_bss_iface_iterator(void *_data
, u8
*mac
,
974 struct ieee80211_vif
*vif
)
976 struct iwl_bss_iter_data
*data
= _data
;
978 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
989 struct ieee80211_vif
*iwl_mvm_get_bss_vif(struct iwl_mvm
*mvm
)
991 struct iwl_bss_iter_data bss_iter_data
= {};
993 ieee80211_iterate_active_interfaces_atomic(
994 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
995 iwl_mvm_bss_iface_iterator
, &bss_iter_data
);
997 if (bss_iter_data
.error
) {
998 IWL_ERR(mvm
, "More than one managed interface active!\n");
999 return ERR_PTR(-EINVAL
);
1002 return bss_iter_data
.vif
;
1005 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm
*mvm
,
1006 struct ieee80211_vif
*vif
,
1007 bool tdls
, bool cmd_q
)
1009 struct iwl_fw_dbg_trigger_tlv
*trigger
;
1010 struct iwl_fw_dbg_trigger_txq_timer
*txq_timer
;
1011 unsigned int default_timeout
=
1012 cmd_q
? IWL_DEF_WD_TIMEOUT
: mvm
->cfg
->base_params
->wd_timeout
;
1014 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TXQ_TIMERS
))
1015 return iwlmvm_mod_params
.tfd_q_hang_detect
?
1016 default_timeout
: IWL_WATCHDOG_DISABLED
;
1018 trigger
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TXQ_TIMERS
);
1019 txq_timer
= (void *)trigger
->data
;
1022 return le32_to_cpu(txq_timer
->tdls
);
1025 return le32_to_cpu(txq_timer
->command_queue
);
1028 return default_timeout
;
1030 switch (ieee80211_vif_type_p2p(vif
)) {
1031 case NL80211_IFTYPE_ADHOC
:
1032 return le32_to_cpu(txq_timer
->ibss
);
1033 case NL80211_IFTYPE_STATION
:
1034 return le32_to_cpu(txq_timer
->bss
);
1035 case NL80211_IFTYPE_AP
:
1036 return le32_to_cpu(txq_timer
->softap
);
1037 case NL80211_IFTYPE_P2P_CLIENT
:
1038 return le32_to_cpu(txq_timer
->p2p_client
);
1039 case NL80211_IFTYPE_P2P_GO
:
1040 return le32_to_cpu(txq_timer
->p2p_go
);
1041 case NL80211_IFTYPE_P2P_DEVICE
:
1042 return le32_to_cpu(txq_timer
->p2p_device
);
1045 return mvm
->cfg
->base_params
->wd_timeout
;
1049 void iwl_mvm_connection_loss(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1052 struct iwl_fw_dbg_trigger_tlv
*trig
;
1053 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
1055 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
1058 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
1059 trig_mlme
= (void *)trig
->data
;
1060 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
1063 if (trig_mlme
->stop_connection_loss
&&
1064 --trig_mlme
->stop_connection_loss
)
1067 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
, "%s", errmsg
);
1070 ieee80211_connection_loss(vif
);
1074 * Remove inactive TIDs of a given queue.
1075 * If all queue TIDs are inactive - mark the queue as inactive
1076 * If only some the queue TIDs are inactive - unmap them from the queue
1078 static void iwl_mvm_remove_inactive_tids(struct iwl_mvm
*mvm
,
1079 struct iwl_mvm_sta
*mvmsta
, int queue
,
1080 unsigned long tid_bitmap
)
1084 lockdep_assert_held(&mvmsta
->lock
);
1085 lockdep_assert_held(&mvm
->queue_info_lock
);
1087 /* Go over all non-active TIDs, incl. IWL_MAX_TID_COUNT (for mgmt) */
1088 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1) {
1089 /* If some TFDs are still queued - don't mark TID as inactive */
1090 if (iwl_mvm_tid_queued(&mvmsta
->tid_data
[tid
]))
1091 tid_bitmap
&= ~BIT(tid
);
1094 /* If all TIDs in the queue are inactive - mark queue as inactive. */
1095 if (tid_bitmap
== mvm
->queue_info
[queue
].tid_bitmap
) {
1096 mvm
->queue_info
[queue
].status
= IWL_MVM_QUEUE_INACTIVE
;
1098 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1)
1099 mvmsta
->tid_data
[tid
].is_tid_active
= false;
1101 IWL_DEBUG_TX_QUEUES(mvm
, "Queue %d marked as inactive\n",
1107 * If we are here, this is a shared queue and not all TIDs timed-out.
1108 * Remove the ones that did.
1110 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1) {
1111 int mac_queue
= mvmsta
->vif
->hw_queue
[tid_to_mac80211_ac
[tid
]];
1113 mvmsta
->tid_data
[tid
].txq_id
= IEEE80211_INVAL_HW_QUEUE
;
1114 mvm
->queue_info
[queue
].hw_queue_to_mac80211
&= ~BIT(mac_queue
);
1115 mvm
->queue_info
[queue
].hw_queue_refcount
--;
1116 mvm
->queue_info
[queue
].tid_bitmap
&= ~BIT(tid
);
1117 mvmsta
->tid_data
[tid
].is_tid_active
= false;
1119 IWL_DEBUG_TX_QUEUES(mvm
,
1120 "Removing inactive TID %d from shared Q:%d\n",
1124 IWL_DEBUG_TX_QUEUES(mvm
,
1125 "TXQ #%d left with tid bitmap 0x%x\n", queue
,
1126 mvm
->queue_info
[queue
].tid_bitmap
);
1129 * There may be different TIDs with the same mac queues, so make
1130 * sure all TIDs have existing corresponding mac queues enabled
1132 tid_bitmap
= mvm
->queue_info
[queue
].tid_bitmap
;
1133 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1) {
1134 mvm
->queue_info
[queue
].hw_queue_to_mac80211
|=
1135 BIT(mvmsta
->vif
->hw_queue
[tid_to_mac80211_ac
[tid
]]);
1138 /* If the queue is marked as shared - "unshare" it */
1139 if (mvm
->queue_info
[queue
].hw_queue_refcount
== 1 &&
1140 mvm
->queue_info
[queue
].status
== IWL_MVM_QUEUE_SHARED
) {
1141 mvm
->queue_info
[queue
].status
= IWL_MVM_QUEUE_RECONFIGURING
;
1142 IWL_DEBUG_TX_QUEUES(mvm
, "Marking Q:%d for reconfig\n",
1147 void iwl_mvm_inactivity_check(struct iwl_mvm
*mvm
)
1149 unsigned long timeout_queues_map
= 0;
1150 unsigned long now
= jiffies
;
1153 spin_lock_bh(&mvm
->queue_info_lock
);
1154 for (i
= 0; i
< IWL_MAX_HW_QUEUES
; i
++)
1155 if (mvm
->queue_info
[i
].hw_queue_refcount
> 0)
1156 timeout_queues_map
|= BIT(i
);
1157 spin_unlock_bh(&mvm
->queue_info_lock
);
1162 * If a queue time outs - mark it as INACTIVE (don't remove right away
1163 * if we don't have to.) This is an optimization in case traffic comes
1164 * later, and we don't HAVE to use a currently-inactive queue
1166 for_each_set_bit(i
, &timeout_queues_map
, IWL_MAX_HW_QUEUES
) {
1167 struct ieee80211_sta
*sta
;
1168 struct iwl_mvm_sta
*mvmsta
;
1171 unsigned long inactive_tid_bitmap
= 0;
1172 unsigned long queue_tid_bitmap
;
1174 spin_lock_bh(&mvm
->queue_info_lock
);
1175 queue_tid_bitmap
= mvm
->queue_info
[i
].tid_bitmap
;
1177 /* If TXQ isn't in active use anyway - nothing to do here... */
1178 if (mvm
->queue_info
[i
].status
!= IWL_MVM_QUEUE_READY
&&
1179 mvm
->queue_info
[i
].status
!= IWL_MVM_QUEUE_SHARED
) {
1180 spin_unlock_bh(&mvm
->queue_info_lock
);
1184 /* Check to see if there are inactive TIDs on this queue */
1185 for_each_set_bit(tid
, &queue_tid_bitmap
,
1186 IWL_MAX_TID_COUNT
+ 1) {
1187 if (time_after(mvm
->queue_info
[i
].last_frame_time
[tid
] +
1188 IWL_MVM_DQA_QUEUE_TIMEOUT
, now
))
1191 inactive_tid_bitmap
|= BIT(tid
);
1193 spin_unlock_bh(&mvm
->queue_info_lock
);
1195 /* If all TIDs are active - finish check on this queue */
1196 if (!inactive_tid_bitmap
)
1200 * If we are here - the queue hadn't been served recently and is
1204 sta_id
= mvm
->queue_info
[i
].ra_sta_id
;
1205 sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[sta_id
]);
1208 * If the STA doesn't exist anymore, it isn't an error. It could
1209 * be that it was removed since getting the queues, and in this
1210 * case it should've inactivated its queues anyway.
1212 if (IS_ERR_OR_NULL(sta
))
1215 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1217 spin_lock_bh(&mvmsta
->lock
);
1218 spin_lock(&mvm
->queue_info_lock
);
1219 iwl_mvm_remove_inactive_tids(mvm
, mvmsta
, i
,
1220 inactive_tid_bitmap
);
1221 spin_unlock(&mvm
->queue_info_lock
);
1222 spin_unlock_bh(&mvmsta
->lock
);
1228 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif
*vif
,
1229 enum iwl_lqm_cmd_operatrions operation
,
1230 u32 duration
, u32 timeout
)
1232 struct iwl_mvm_vif
*mvm_vif
= iwl_mvm_vif_from_mac80211(vif
);
1233 struct iwl_link_qual_msrmnt_cmd cmd
= {
1234 .cmd_operation
= cpu_to_le32(operation
),
1235 .mac_id
= cpu_to_le32(mvm_vif
->id
),
1236 .measurement_time
= cpu_to_le32(duration
),
1237 .timeout
= cpu_to_le32(timeout
),
1240 iwl_cmd_id(LINK_QUALITY_MEASUREMENT_CMD
, MAC_CONF_GROUP
, 0);
1243 if (!fw_has_capa(&mvm_vif
->mvm
->fw
->ucode_capa
,
1244 IWL_UCODE_TLV_CAPA_LQM_SUPPORT
))
1247 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
1250 switch (operation
) {
1251 case LQM_CMD_OPERATION_START_MEASUREMENT
:
1252 if (iwl_mvm_lqm_active(mvm_vif
->mvm
))
1254 if (!vif
->bss_conf
.assoc
)
1256 mvm_vif
->lqm_active
= true;
1258 case LQM_CMD_OPERATION_STOP_MEASUREMENT
:
1259 if (!iwl_mvm_lqm_active(mvm_vif
->mvm
))
1266 ret
= iwl_mvm_send_cmd_pdu(mvm_vif
->mvm
, cmdid
, 0, sizeof(cmd
),
1269 /* command failed - roll back lqm_active state */
1271 mvm_vif
->lqm_active
=
1272 operation
== LQM_CMD_OPERATION_STOP_MEASUREMENT
;
1278 static void iwl_mvm_lqm_active_iterator(void *_data
, u8
*mac
,
1279 struct ieee80211_vif
*vif
)
1281 struct iwl_mvm_vif
*mvm_vif
= iwl_mvm_vif_from_mac80211(vif
);
1282 bool *lqm_active
= _data
;
1284 *lqm_active
= *lqm_active
|| mvm_vif
->lqm_active
;
1287 bool iwl_mvm_lqm_active(struct iwl_mvm
*mvm
)
1291 lockdep_assert_held(&mvm
->mutex
);
1292 ieee80211_iterate_active_interfaces_atomic(
1293 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1294 iwl_mvm_lqm_active_iterator
, &ret
);