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 static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm
*mvm
, u32 base
)
502 struct iwl_trans
*trans
= mvm
->trans
;
503 struct iwl_error_event_table table
;
505 if (mvm
->cur_ucode
== IWL_UCODE_INIT
) {
507 base
= mvm
->fw
->init_errlog_ptr
;
510 base
= mvm
->fw
->inst_errlog_ptr
;
513 if (base
< 0x400000) {
515 "Not valid error log pointer 0x%08X for %s uCode\n",
517 (mvm
->cur_ucode
== IWL_UCODE_INIT
)
522 iwl_trans_read_mem_bytes(trans
, base
, &table
, sizeof(table
));
524 if (ERROR_START_OFFSET
<= table
.valid
* ERROR_ELEM_SIZE
) {
525 IWL_ERR(trans
, "Start IWL Error Log Dump:\n");
526 IWL_ERR(trans
, "Status: 0x%08lX, count: %d\n",
527 mvm
->status
, table
.valid
);
530 /* Do not change this output - scripts rely on it */
532 IWL_ERR(mvm
, "Loaded firmware version: %s\n", mvm
->fw
->fw_version
);
534 trace_iwlwifi_dev_ucode_error(trans
->dev
, table
.error_id
, table
.tsf_low
,
535 table
.data1
, table
.data2
, table
.data3
,
536 table
.blink2
, table
.ilink1
,
537 table
.ilink2
, table
.bcon_time
, table
.gp1
,
538 table
.gp2
, table
.fw_rev_type
, table
.major
,
539 table
.minor
, table
.hw_ver
, table
.brd_ver
);
540 IWL_ERR(mvm
, "0x%08X | %-28s\n", table
.error_id
,
541 desc_lookup(table
.error_id
));
542 IWL_ERR(mvm
, "0x%08X | trm_hw_status0\n", table
.trm_hw_status0
);
543 IWL_ERR(mvm
, "0x%08X | trm_hw_status1\n", table
.trm_hw_status1
);
544 IWL_ERR(mvm
, "0x%08X | branchlink2\n", table
.blink2
);
545 IWL_ERR(mvm
, "0x%08X | interruptlink1\n", table
.ilink1
);
546 IWL_ERR(mvm
, "0x%08X | interruptlink2\n", table
.ilink2
);
547 IWL_ERR(mvm
, "0x%08X | data1\n", table
.data1
);
548 IWL_ERR(mvm
, "0x%08X | data2\n", table
.data2
);
549 IWL_ERR(mvm
, "0x%08X | data3\n", table
.data3
);
550 IWL_ERR(mvm
, "0x%08X | beacon time\n", table
.bcon_time
);
551 IWL_ERR(mvm
, "0x%08X | tsf low\n", table
.tsf_low
);
552 IWL_ERR(mvm
, "0x%08X | tsf hi\n", table
.tsf_hi
);
553 IWL_ERR(mvm
, "0x%08X | time gp1\n", table
.gp1
);
554 IWL_ERR(mvm
, "0x%08X | time gp2\n", table
.gp2
);
555 IWL_ERR(mvm
, "0x%08X | uCode revision type\n", table
.fw_rev_type
);
556 IWL_ERR(mvm
, "0x%08X | uCode version major\n", table
.major
);
557 IWL_ERR(mvm
, "0x%08X | uCode version minor\n", table
.minor
);
558 IWL_ERR(mvm
, "0x%08X | hw version\n", table
.hw_ver
);
559 IWL_ERR(mvm
, "0x%08X | board version\n", table
.brd_ver
);
560 IWL_ERR(mvm
, "0x%08X | hcmd\n", table
.hcmd
);
561 IWL_ERR(mvm
, "0x%08X | isr0\n", table
.isr0
);
562 IWL_ERR(mvm
, "0x%08X | isr1\n", table
.isr1
);
563 IWL_ERR(mvm
, "0x%08X | isr2\n", table
.isr2
);
564 IWL_ERR(mvm
, "0x%08X | isr3\n", table
.isr3
);
565 IWL_ERR(mvm
, "0x%08X | isr4\n", table
.isr4
);
566 IWL_ERR(mvm
, "0x%08X | last cmd Id\n", table
.last_cmd_id
);
567 IWL_ERR(mvm
, "0x%08X | wait_event\n", table
.wait_event
);
568 IWL_ERR(mvm
, "0x%08X | l2p_control\n", table
.l2p_control
);
569 IWL_ERR(mvm
, "0x%08X | l2p_duration\n", table
.l2p_duration
);
570 IWL_ERR(mvm
, "0x%08X | l2p_mhvalid\n", table
.l2p_mhvalid
);
571 IWL_ERR(mvm
, "0x%08X | l2p_addr_match\n", table
.l2p_addr_match
);
572 IWL_ERR(mvm
, "0x%08X | lmpm_pmg_sel\n", table
.lmpm_pmg_sel
);
573 IWL_ERR(mvm
, "0x%08X | timestamp\n", table
.u_timestamp
);
574 IWL_ERR(mvm
, "0x%08X | flow_handler\n", table
.flow_handler
);
577 void iwl_mvm_dump_nic_error_log(struct iwl_mvm
*mvm
)
579 iwl_mvm_dump_lmac_error_log(mvm
, mvm
->error_event_table
[0]);
581 if (mvm
->error_event_table
[1])
582 iwl_mvm_dump_lmac_error_log(mvm
, mvm
->error_event_table
[1]);
584 if (mvm
->support_umac_log
)
585 iwl_mvm_dump_umac_error_log(mvm
);
588 int iwl_mvm_find_free_queue(struct iwl_mvm
*mvm
, u8 sta_id
, u8 minq
, u8 maxq
)
592 lockdep_assert_held(&mvm
->queue_info_lock
);
594 /* Start by looking for a free queue */
595 for (i
= minq
; i
<= maxq
; i
++)
596 if (mvm
->queue_info
[i
].hw_queue_refcount
== 0 &&
597 mvm
->queue_info
[i
].status
== IWL_MVM_QUEUE_FREE
)
601 * If no free queue found - settle for an inactive one to reconfigure
602 * Make sure that the inactive queue either already belongs to this STA,
603 * or that if it belongs to another one - it isn't the reserved queue
605 for (i
= minq
; i
<= maxq
; i
++)
606 if (mvm
->queue_info
[i
].status
== IWL_MVM_QUEUE_INACTIVE
&&
607 (sta_id
== mvm
->queue_info
[i
].ra_sta_id
||
608 !mvm
->queue_info
[i
].reserved
))
614 int iwl_mvm_reconfig_scd(struct iwl_mvm
*mvm
, int queue
, int fifo
, int sta_id
,
615 int tid
, int frame_limit
, u16 ssn
)
617 struct iwl_scd_txq_cfg_cmd cmd
= {
619 .action
= SCD_CFG_ENABLE_QUEUE
,
620 .window
= frame_limit
,
622 .ssn
= cpu_to_le16(ssn
),
624 .aggregate
= (queue
>= IWL_MVM_DQA_MIN_DATA_QUEUE
||
625 queue
== IWL_MVM_DQA_BSS_CLIENT_QUEUE
),
630 spin_lock_bh(&mvm
->queue_info_lock
);
631 if (WARN(mvm
->queue_info
[queue
].hw_queue_refcount
== 0,
632 "Trying to reconfig unallocated queue %d\n", queue
)) {
633 spin_unlock_bh(&mvm
->queue_info_lock
);
636 spin_unlock_bh(&mvm
->queue_info_lock
);
638 IWL_DEBUG_TX_QUEUES(mvm
, "Reconfig SCD for TXQ #%d\n", queue
);
640 ret
= iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, 0, sizeof(cmd
), &cmd
);
641 WARN_ONCE(ret
, "Failed to re-configure queue %d on FIFO %d, ret=%d\n",
647 void iwl_mvm_enable_txq(struct iwl_mvm
*mvm
, int queue
, int mac80211_queue
,
648 u16 ssn
, const struct iwl_trans_txq_scd_cfg
*cfg
,
649 unsigned int wdg_timeout
)
651 bool enable_queue
= true;
653 spin_lock_bh(&mvm
->queue_info_lock
);
655 /* Make sure this TID isn't already enabled */
656 if (mvm
->queue_info
[queue
].tid_bitmap
& BIT(cfg
->tid
)) {
657 spin_unlock_bh(&mvm
->queue_info_lock
);
658 IWL_ERR(mvm
, "Trying to enable TXQ %d with existing TID %d\n",
663 /* Update mappings and refcounts */
664 if (mvm
->queue_info
[queue
].hw_queue_refcount
> 0)
665 enable_queue
= false;
667 mvm
->queue_info
[queue
].hw_queue_to_mac80211
|= BIT(mac80211_queue
);
668 mvm
->queue_info
[queue
].hw_queue_refcount
++;
669 mvm
->queue_info
[queue
].tid_bitmap
|= BIT(cfg
->tid
);
670 mvm
->queue_info
[queue
].ra_sta_id
= cfg
->sta_id
;
673 if (cfg
->tid
!= IWL_MAX_TID_COUNT
)
674 mvm
->queue_info
[queue
].mac80211_ac
=
675 tid_to_mac80211_ac
[cfg
->tid
];
677 mvm
->queue_info
[queue
].mac80211_ac
= IEEE80211_AC_VO
;
679 mvm
->queue_info
[queue
].txq_tid
= cfg
->tid
;
682 IWL_DEBUG_TX_QUEUES(mvm
,
683 "Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
684 queue
, mvm
->queue_info
[queue
].hw_queue_refcount
,
685 mvm
->queue_info
[queue
].hw_queue_to_mac80211
);
687 spin_unlock_bh(&mvm
->queue_info_lock
);
689 /* Send the enabling command if we need to */
691 struct iwl_scd_txq_cfg_cmd cmd
= {
693 .action
= SCD_CFG_ENABLE_QUEUE
,
694 .window
= cfg
->frame_limit
,
695 .sta_id
= cfg
->sta_id
,
696 .ssn
= cpu_to_le16(ssn
),
697 .tx_fifo
= cfg
->fifo
,
698 .aggregate
= cfg
->aggregate
,
702 iwl_trans_txq_enable_cfg(mvm
->trans
, queue
, ssn
, NULL
,
704 WARN(iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, 0, sizeof(cmd
),
706 "Failed to configure queue %d on FIFO %d\n", queue
,
711 int iwl_mvm_disable_txq(struct iwl_mvm
*mvm
, int queue
, int mac80211_queue
,
714 struct iwl_scd_txq_cfg_cmd cmd
= {
716 .action
= SCD_CFG_DISABLE_QUEUE
,
718 bool remove_mac_queue
= true;
721 spin_lock_bh(&mvm
->queue_info_lock
);
723 if (WARN_ON(mvm
->queue_info
[queue
].hw_queue_refcount
== 0)) {
724 spin_unlock_bh(&mvm
->queue_info_lock
);
728 mvm
->queue_info
[queue
].tid_bitmap
&= ~BIT(tid
);
731 * If there is another TID with the same AC - don't remove the MAC queue
734 if (tid
< IWL_MAX_TID_COUNT
) {
735 unsigned long tid_bitmap
=
736 mvm
->queue_info
[queue
].tid_bitmap
;
737 int ac
= tid_to_mac80211_ac
[tid
];
740 for_each_set_bit(i
, &tid_bitmap
, IWL_MAX_TID_COUNT
) {
741 if (tid_to_mac80211_ac
[i
] == ac
)
742 remove_mac_queue
= false;
746 if (remove_mac_queue
)
747 mvm
->queue_info
[queue
].hw_queue_to_mac80211
&=
748 ~BIT(mac80211_queue
);
749 mvm
->queue_info
[queue
].hw_queue_refcount
--;
751 cmd
.action
= mvm
->queue_info
[queue
].hw_queue_refcount
?
752 SCD_CFG_ENABLE_QUEUE
: SCD_CFG_DISABLE_QUEUE
;
753 if (cmd
.action
== SCD_CFG_DISABLE_QUEUE
)
754 mvm
->queue_info
[queue
].status
= IWL_MVM_QUEUE_FREE
;
756 IWL_DEBUG_TX_QUEUES(mvm
,
757 "Disabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
759 mvm
->queue_info
[queue
].hw_queue_refcount
,
760 mvm
->queue_info
[queue
].hw_queue_to_mac80211
);
762 /* If the queue is still enabled - nothing left to do in this func */
763 if (cmd
.action
== SCD_CFG_ENABLE_QUEUE
) {
764 spin_unlock_bh(&mvm
->queue_info_lock
);
768 cmd
.sta_id
= mvm
->queue_info
[queue
].ra_sta_id
;
769 cmd
.tid
= mvm
->queue_info
[queue
].txq_tid
;
771 /* Make sure queue info is correct even though we overwrite it */
772 WARN(mvm
->queue_info
[queue
].hw_queue_refcount
||
773 mvm
->queue_info
[queue
].tid_bitmap
||
774 mvm
->queue_info
[queue
].hw_queue_to_mac80211
,
775 "TXQ #%d info out-of-sync - refcount=%d, mac map=0x%x, tid=0x%x\n",
776 queue
, mvm
->queue_info
[queue
].hw_queue_refcount
,
777 mvm
->queue_info
[queue
].hw_queue_to_mac80211
,
778 mvm
->queue_info
[queue
].tid_bitmap
);
780 /* If we are here - the queue is freed and we can zero out these vals */
781 mvm
->queue_info
[queue
].hw_queue_refcount
= 0;
782 mvm
->queue_info
[queue
].tid_bitmap
= 0;
783 mvm
->queue_info
[queue
].hw_queue_to_mac80211
= 0;
785 /* Regardless if this is a reserved TXQ for a STA - mark it as false */
786 mvm
->queue_info
[queue
].reserved
= false;
788 spin_unlock_bh(&mvm
->queue_info_lock
);
790 iwl_trans_txq_disable(mvm
->trans
, queue
, false);
791 ret
= iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, flags
,
794 IWL_ERR(mvm
, "Failed to disable queue %d (ret=%d)\n",
801 * iwl_mvm_send_lq_cmd() - Send link quality command
802 * @init: This command is sent as part of station initialization right
803 * after station has been added.
805 * The link quality command is sent as the last step of station creation.
806 * This is the special case in which init is set and we call a callback in
807 * this case to clear the state indicating that station creation is in
810 int iwl_mvm_send_lq_cmd(struct iwl_mvm
*mvm
, struct iwl_lq_cmd
*lq
, bool init
)
812 struct iwl_host_cmd cmd
= {
814 .len
= { sizeof(struct iwl_lq_cmd
), },
815 .flags
= init
? 0 : CMD_ASYNC
,
819 if (WARN_ON(lq
->sta_id
== IWL_MVM_STATION_COUNT
))
822 return iwl_mvm_send_cmd(mvm
, &cmd
);
826 * iwl_mvm_update_smps - Get a request to change the SMPS mode
827 * @req_type: The part of the driver who call for a change.
828 * @smps_requests: The request to change the SMPS mode.
830 * Get a requst to change the SMPS mode,
831 * and change it according to all other requests in the driver.
833 void iwl_mvm_update_smps(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
834 enum iwl_mvm_smps_type_request req_type
,
835 enum ieee80211_smps_mode smps_request
)
837 struct iwl_mvm_vif
*mvmvif
;
838 enum ieee80211_smps_mode smps_mode
;
841 lockdep_assert_held(&mvm
->mutex
);
843 /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */
844 if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm
)) == 1)
847 if (vif
->type
== NL80211_IFTYPE_AP
)
848 smps_mode
= IEEE80211_SMPS_OFF
;
850 smps_mode
= IEEE80211_SMPS_AUTOMATIC
;
852 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
853 mvmvif
->smps_requests
[req_type
] = smps_request
;
854 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
855 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
) {
856 smps_mode
= IEEE80211_SMPS_STATIC
;
859 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
860 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
863 ieee80211_request_smps(vif
, smps_mode
);
866 int iwl_mvm_request_statistics(struct iwl_mvm
*mvm
, bool clear
)
868 struct iwl_statistics_cmd scmd
= {
869 .flags
= clear
? cpu_to_le32(IWL_STATISTICS_FLG_CLEAR
) : 0,
871 struct iwl_host_cmd cmd
= {
872 .id
= STATISTICS_CMD
,
873 .len
[0] = sizeof(scmd
),
875 .flags
= CMD_WANT_SKB
,
879 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
883 iwl_mvm_handle_rx_statistics(mvm
, cmd
.resp_pkt
);
887 iwl_mvm_accu_radio_stats(mvm
);
892 void iwl_mvm_accu_radio_stats(struct iwl_mvm
*mvm
)
894 mvm
->accu_radio_stats
.rx_time
+= mvm
->radio_stats
.rx_time
;
895 mvm
->accu_radio_stats
.tx_time
+= mvm
->radio_stats
.tx_time
;
896 mvm
->accu_radio_stats
.on_time_rf
+= mvm
->radio_stats
.on_time_rf
;
897 mvm
->accu_radio_stats
.on_time_scan
+= mvm
->radio_stats
.on_time_scan
;
900 static void iwl_mvm_diversity_iter(void *_data
, u8
*mac
,
901 struct ieee80211_vif
*vif
)
903 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
904 bool *result
= _data
;
907 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
908 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
||
909 mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
914 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm
*mvm
)
918 lockdep_assert_held(&mvm
->mutex
);
920 if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm
)) == 1)
923 if (mvm
->cfg
->rx_with_siso_diversity
)
926 ieee80211_iterate_active_interfaces_atomic(
927 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
928 iwl_mvm_diversity_iter
, &result
);
933 int iwl_mvm_update_low_latency(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
936 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
939 lockdep_assert_held(&mvm
->mutex
);
941 if (iwl_mvm_vif_low_latency(mvmvif
) == prev
)
944 res
= iwl_mvm_update_quotas(mvm
, false, NULL
);
948 iwl_mvm_bt_coex_vif_change(mvm
);
950 return iwl_mvm_power_update_mac(mvm
);
953 static void iwl_mvm_ll_iter(void *_data
, u8
*mac
, struct ieee80211_vif
*vif
)
955 bool *result
= _data
;
957 if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(vif
)))
961 bool iwl_mvm_low_latency(struct iwl_mvm
*mvm
)
965 ieee80211_iterate_active_interfaces_atomic(
966 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
967 iwl_mvm_ll_iter
, &result
);
972 struct iwl_bss_iter_data
{
973 struct ieee80211_vif
*vif
;
977 static void iwl_mvm_bss_iface_iterator(void *_data
, u8
*mac
,
978 struct ieee80211_vif
*vif
)
980 struct iwl_bss_iter_data
*data
= _data
;
982 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
993 struct ieee80211_vif
*iwl_mvm_get_bss_vif(struct iwl_mvm
*mvm
)
995 struct iwl_bss_iter_data bss_iter_data
= {};
997 ieee80211_iterate_active_interfaces_atomic(
998 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
999 iwl_mvm_bss_iface_iterator
, &bss_iter_data
);
1001 if (bss_iter_data
.error
) {
1002 IWL_ERR(mvm
, "More than one managed interface active!\n");
1003 return ERR_PTR(-EINVAL
);
1006 return bss_iter_data
.vif
;
1009 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm
*mvm
,
1010 struct ieee80211_vif
*vif
,
1011 bool tdls
, bool cmd_q
)
1013 struct iwl_fw_dbg_trigger_tlv
*trigger
;
1014 struct iwl_fw_dbg_trigger_txq_timer
*txq_timer
;
1015 unsigned int default_timeout
=
1016 cmd_q
? IWL_DEF_WD_TIMEOUT
: mvm
->cfg
->base_params
->wd_timeout
;
1018 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TXQ_TIMERS
))
1019 return iwlmvm_mod_params
.tfd_q_hang_detect
?
1020 default_timeout
: IWL_WATCHDOG_DISABLED
;
1022 trigger
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TXQ_TIMERS
);
1023 txq_timer
= (void *)trigger
->data
;
1026 return le32_to_cpu(txq_timer
->tdls
);
1029 return le32_to_cpu(txq_timer
->command_queue
);
1032 return default_timeout
;
1034 switch (ieee80211_vif_type_p2p(vif
)) {
1035 case NL80211_IFTYPE_ADHOC
:
1036 return le32_to_cpu(txq_timer
->ibss
);
1037 case NL80211_IFTYPE_STATION
:
1038 return le32_to_cpu(txq_timer
->bss
);
1039 case NL80211_IFTYPE_AP
:
1040 return le32_to_cpu(txq_timer
->softap
);
1041 case NL80211_IFTYPE_P2P_CLIENT
:
1042 return le32_to_cpu(txq_timer
->p2p_client
);
1043 case NL80211_IFTYPE_P2P_GO
:
1044 return le32_to_cpu(txq_timer
->p2p_go
);
1045 case NL80211_IFTYPE_P2P_DEVICE
:
1046 return le32_to_cpu(txq_timer
->p2p_device
);
1049 return mvm
->cfg
->base_params
->wd_timeout
;
1053 void iwl_mvm_connection_loss(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1056 struct iwl_fw_dbg_trigger_tlv
*trig
;
1057 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
1059 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
1062 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
1063 trig_mlme
= (void *)trig
->data
;
1064 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
1067 if (trig_mlme
->stop_connection_loss
&&
1068 --trig_mlme
->stop_connection_loss
)
1071 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
, "%s", errmsg
);
1074 ieee80211_connection_loss(vif
);
1078 * Remove inactive TIDs of a given queue.
1079 * If all queue TIDs are inactive - mark the queue as inactive
1080 * If only some the queue TIDs are inactive - unmap them from the queue
1082 static void iwl_mvm_remove_inactive_tids(struct iwl_mvm
*mvm
,
1083 struct iwl_mvm_sta
*mvmsta
, int queue
,
1084 unsigned long tid_bitmap
)
1088 lockdep_assert_held(&mvmsta
->lock
);
1089 lockdep_assert_held(&mvm
->queue_info_lock
);
1091 /* Go over all non-active TIDs, incl. IWL_MAX_TID_COUNT (for mgmt) */
1092 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1) {
1093 /* If some TFDs are still queued - don't mark TID as inactive */
1094 if (iwl_mvm_tid_queued(&mvmsta
->tid_data
[tid
]))
1095 tid_bitmap
&= ~BIT(tid
);
1098 /* If all TIDs in the queue are inactive - mark queue as inactive. */
1099 if (tid_bitmap
== mvm
->queue_info
[queue
].tid_bitmap
) {
1100 mvm
->queue_info
[queue
].status
= IWL_MVM_QUEUE_INACTIVE
;
1102 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1)
1103 mvmsta
->tid_data
[tid
].is_tid_active
= false;
1105 IWL_DEBUG_TX_QUEUES(mvm
, "Queue %d marked as inactive\n",
1111 * If we are here, this is a shared queue and not all TIDs timed-out.
1112 * Remove the ones that did.
1114 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1) {
1115 int mac_queue
= mvmsta
->vif
->hw_queue
[tid_to_mac80211_ac
[tid
]];
1117 mvmsta
->tid_data
[tid
].txq_id
= IEEE80211_INVAL_HW_QUEUE
;
1118 mvm
->queue_info
[queue
].hw_queue_to_mac80211
&= ~BIT(mac_queue
);
1119 mvm
->queue_info
[queue
].hw_queue_refcount
--;
1120 mvm
->queue_info
[queue
].tid_bitmap
&= ~BIT(tid
);
1121 mvmsta
->tid_data
[tid
].is_tid_active
= false;
1123 IWL_DEBUG_TX_QUEUES(mvm
,
1124 "Removing inactive TID %d from shared Q:%d\n",
1128 IWL_DEBUG_TX_QUEUES(mvm
,
1129 "TXQ #%d left with tid bitmap 0x%x\n", queue
,
1130 mvm
->queue_info
[queue
].tid_bitmap
);
1133 * There may be different TIDs with the same mac queues, so make
1134 * sure all TIDs have existing corresponding mac queues enabled
1136 tid_bitmap
= mvm
->queue_info
[queue
].tid_bitmap
;
1137 for_each_set_bit(tid
, &tid_bitmap
, IWL_MAX_TID_COUNT
+ 1) {
1138 mvm
->queue_info
[queue
].hw_queue_to_mac80211
|=
1139 BIT(mvmsta
->vif
->hw_queue
[tid_to_mac80211_ac
[tid
]]);
1142 /* If the queue is marked as shared - "unshare" it */
1143 if (mvm
->queue_info
[queue
].hw_queue_refcount
== 1 &&
1144 mvm
->queue_info
[queue
].status
== IWL_MVM_QUEUE_SHARED
) {
1145 mvm
->queue_info
[queue
].status
= IWL_MVM_QUEUE_RECONFIGURING
;
1146 IWL_DEBUG_TX_QUEUES(mvm
, "Marking Q:%d for reconfig\n",
1151 void iwl_mvm_inactivity_check(struct iwl_mvm
*mvm
)
1153 unsigned long timeout_queues_map
= 0;
1154 unsigned long now
= jiffies
;
1157 spin_lock_bh(&mvm
->queue_info_lock
);
1158 for (i
= 0; i
< IWL_MAX_HW_QUEUES
; i
++)
1159 if (mvm
->queue_info
[i
].hw_queue_refcount
> 0)
1160 timeout_queues_map
|= BIT(i
);
1161 spin_unlock_bh(&mvm
->queue_info_lock
);
1166 * If a queue time outs - mark it as INACTIVE (don't remove right away
1167 * if we don't have to.) This is an optimization in case traffic comes
1168 * later, and we don't HAVE to use a currently-inactive queue
1170 for_each_set_bit(i
, &timeout_queues_map
, IWL_MAX_HW_QUEUES
) {
1171 struct ieee80211_sta
*sta
;
1172 struct iwl_mvm_sta
*mvmsta
;
1175 unsigned long inactive_tid_bitmap
= 0;
1176 unsigned long queue_tid_bitmap
;
1178 spin_lock_bh(&mvm
->queue_info_lock
);
1179 queue_tid_bitmap
= mvm
->queue_info
[i
].tid_bitmap
;
1181 /* If TXQ isn't in active use anyway - nothing to do here... */
1182 if (mvm
->queue_info
[i
].status
!= IWL_MVM_QUEUE_READY
&&
1183 mvm
->queue_info
[i
].status
!= IWL_MVM_QUEUE_SHARED
) {
1184 spin_unlock_bh(&mvm
->queue_info_lock
);
1188 /* Check to see if there are inactive TIDs on this queue */
1189 for_each_set_bit(tid
, &queue_tid_bitmap
,
1190 IWL_MAX_TID_COUNT
+ 1) {
1191 if (time_after(mvm
->queue_info
[i
].last_frame_time
[tid
] +
1192 IWL_MVM_DQA_QUEUE_TIMEOUT
, now
))
1195 inactive_tid_bitmap
|= BIT(tid
);
1197 spin_unlock_bh(&mvm
->queue_info_lock
);
1199 /* If all TIDs are active - finish check on this queue */
1200 if (!inactive_tid_bitmap
)
1204 * If we are here - the queue hadn't been served recently and is
1208 sta_id
= mvm
->queue_info
[i
].ra_sta_id
;
1209 sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[sta_id
]);
1212 * If the STA doesn't exist anymore, it isn't an error. It could
1213 * be that it was removed since getting the queues, and in this
1214 * case it should've inactivated its queues anyway.
1216 if (IS_ERR_OR_NULL(sta
))
1219 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1221 spin_lock_bh(&mvmsta
->lock
);
1222 spin_lock(&mvm
->queue_info_lock
);
1223 iwl_mvm_remove_inactive_tids(mvm
, mvmsta
, i
,
1224 inactive_tid_bitmap
);
1225 spin_unlock(&mvm
->queue_info_lock
);
1226 spin_unlock_bh(&mvmsta
->lock
);
1232 void iwl_mvm_get_sync_time(struct iwl_mvm
*mvm
, u32
*gp2
, u64
*boottime
)
1236 lockdep_assert_held(&mvm
->mutex
);
1238 /* Disable power save when reading GP2 */
1239 ps_disabled
= mvm
->ps_disabled
;
1241 mvm
->ps_disabled
= true;
1242 iwl_mvm_power_update_device(mvm
);
1245 *gp2
= iwl_read_prph(mvm
->trans
, DEVICE_SYSTEM_TIME_REG
);
1246 *boottime
= ktime_get_boot_ns();
1249 mvm
->ps_disabled
= ps_disabled
;
1250 iwl_mvm_power_update_device(mvm
);
1254 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif
*vif
,
1255 enum iwl_lqm_cmd_operatrions operation
,
1256 u32 duration
, u32 timeout
)
1258 struct iwl_mvm_vif
*mvm_vif
= iwl_mvm_vif_from_mac80211(vif
);
1259 struct iwl_link_qual_msrmnt_cmd cmd
= {
1260 .cmd_operation
= cpu_to_le32(operation
),
1261 .mac_id
= cpu_to_le32(mvm_vif
->id
),
1262 .measurement_time
= cpu_to_le32(duration
),
1263 .timeout
= cpu_to_le32(timeout
),
1266 iwl_cmd_id(LINK_QUALITY_MEASUREMENT_CMD
, MAC_CONF_GROUP
, 0);
1269 if (!fw_has_capa(&mvm_vif
->mvm
->fw
->ucode_capa
,
1270 IWL_UCODE_TLV_CAPA_LQM_SUPPORT
))
1273 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
1276 switch (operation
) {
1277 case LQM_CMD_OPERATION_START_MEASUREMENT
:
1278 if (iwl_mvm_lqm_active(mvm_vif
->mvm
))
1280 if (!vif
->bss_conf
.assoc
)
1282 mvm_vif
->lqm_active
= true;
1284 case LQM_CMD_OPERATION_STOP_MEASUREMENT
:
1285 if (!iwl_mvm_lqm_active(mvm_vif
->mvm
))
1292 ret
= iwl_mvm_send_cmd_pdu(mvm_vif
->mvm
, cmdid
, 0, sizeof(cmd
),
1295 /* command failed - roll back lqm_active state */
1297 mvm_vif
->lqm_active
=
1298 operation
== LQM_CMD_OPERATION_STOP_MEASUREMENT
;
1304 static void iwl_mvm_lqm_active_iterator(void *_data
, u8
*mac
,
1305 struct ieee80211_vif
*vif
)
1307 struct iwl_mvm_vif
*mvm_vif
= iwl_mvm_vif_from_mac80211(vif
);
1308 bool *lqm_active
= _data
;
1310 *lqm_active
= *lqm_active
|| mvm_vif
->lqm_active
;
1313 bool iwl_mvm_lqm_active(struct iwl_mvm
*mvm
)
1317 lockdep_assert_held(&mvm
->mutex
);
1318 ieee80211_iterate_active_interfaces_atomic(
1319 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1320 iwl_mvm_lqm_active_iterator
, &ret
);