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
);
96 ret
= iwl_trans_send_cmd(mvm
->trans
, cmd
);
99 * If the caller wants the SKB, then don't hide any problems, the
100 * caller might access the response buffer which will be NULL if
101 * the command failed.
103 if (cmd
->flags
& CMD_WANT_SKB
)
106 /* Silently ignore failures if RFKILL is asserted */
107 if (!ret
|| ret
== -ERFKILL
)
112 int iwl_mvm_send_cmd_pdu(struct iwl_mvm
*mvm
, u32 id
,
113 u32 flags
, u16 len
, const void *data
)
115 struct iwl_host_cmd cmd
= {
122 return iwl_mvm_send_cmd(mvm
, &cmd
);
126 * We assume that the caller set the status to the success value
128 int iwl_mvm_send_cmd_status(struct iwl_mvm
*mvm
, struct iwl_host_cmd
*cmd
,
131 struct iwl_rx_packet
*pkt
;
132 struct iwl_cmd_response
*resp
;
135 lockdep_assert_held(&mvm
->mutex
);
137 #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP)
138 if (WARN_ON(mvm
->d3_test_active
))
143 * Only synchronous commands can wait for status,
144 * we use WANT_SKB so the caller can't.
146 if (WARN_ONCE(cmd
->flags
& (CMD_ASYNC
| CMD_WANT_SKB
),
147 "cmd flags %x", cmd
->flags
))
150 cmd
->flags
|= CMD_WANT_SKB
;
152 ret
= iwl_trans_send_cmd(mvm
->trans
, cmd
);
153 if (ret
== -ERFKILL
) {
155 * The command failed because of RFKILL, don't update
156 * the status, leave it as success and return 0.
164 /* Can happen if RFKILL is asserted */
170 resp_len
= iwl_rx_packet_payload_len(pkt
);
171 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
176 resp
= (void *)pkt
->data
;
177 *status
= le32_to_cpu(resp
->status
);
184 * We assume that the caller set the status to the sucess value
186 int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm
*mvm
, u32 id
, u16 len
,
187 const void *data
, u32
*status
)
189 struct iwl_host_cmd cmd
= {
195 return iwl_mvm_send_cmd_status(mvm
, &cmd
, status
);
198 #define IWL_DECLARE_RATE_INFO(r) \
199 [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP
202 * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP
204 static const u8 fw_rate_idx_to_plcp
[IWL_RATE_COUNT
] = {
205 IWL_DECLARE_RATE_INFO(1),
206 IWL_DECLARE_RATE_INFO(2),
207 IWL_DECLARE_RATE_INFO(5),
208 IWL_DECLARE_RATE_INFO(11),
209 IWL_DECLARE_RATE_INFO(6),
210 IWL_DECLARE_RATE_INFO(9),
211 IWL_DECLARE_RATE_INFO(12),
212 IWL_DECLARE_RATE_INFO(18),
213 IWL_DECLARE_RATE_INFO(24),
214 IWL_DECLARE_RATE_INFO(36),
215 IWL_DECLARE_RATE_INFO(48),
216 IWL_DECLARE_RATE_INFO(54),
219 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags
,
220 enum nl80211_band band
)
222 int rate
= rate_n_flags
& RATE_LEGACY_RATE_MSK
;
226 /* Legacy rate format, search for match in table */
227 if (band
== NL80211_BAND_5GHZ
)
228 band_offset
= IWL_FIRST_OFDM_RATE
;
229 for (idx
= band_offset
; idx
< IWL_RATE_COUNT_LEGACY
; idx
++)
230 if (fw_rate_idx_to_plcp
[idx
] == rate
)
231 return idx
- band_offset
;
236 u8
iwl_mvm_mac80211_idx_to_hwrate(int rate_idx
)
238 /* Get PLCP rate for tx_cmd->rate_n_flags */
239 return fw_rate_idx_to_plcp
[rate_idx
];
242 void iwl_mvm_rx_fw_error(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
244 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
245 struct iwl_error_resp
*err_resp
= (void *)pkt
->data
;
247 IWL_ERR(mvm
, "FW Error notification: type 0x%08X cmd_id 0x%02X\n",
248 le32_to_cpu(err_resp
->error_type
), err_resp
->cmd_id
);
249 IWL_ERR(mvm
, "FW Error notification: seq 0x%04X service 0x%08X\n",
250 le16_to_cpu(err_resp
->bad_cmd_seq_num
),
251 le32_to_cpu(err_resp
->error_service
));
252 IWL_ERR(mvm
, "FW Error notification: timestamp 0x%16llX\n",
253 le64_to_cpu(err_resp
->timestamp
));
257 * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h.
258 * The parameter should also be a combination of ANT_[ABC].
260 u8
first_antenna(u8 mask
)
262 BUILD_BUG_ON(ANT_A
!= BIT(0)); /* using ffs is wrong if not */
263 if (WARN_ON_ONCE(!mask
)) /* ffs will return 0 if mask is zeroed */
265 return BIT(ffs(mask
) - 1);
269 * Toggles between TX antennas to send the probe request on.
270 * Receives the bitmask of valid TX antennas and the *index* used
271 * for the last TX, and returns the next valid *index* to use.
272 * In order to set it in the tx_cmd, must do BIT(idx).
274 u8
iwl_mvm_next_antenna(struct iwl_mvm
*mvm
, u8 valid
, u8 last_idx
)
279 for (i
= 0; i
< RATE_MCS_ANT_NUM
; i
++) {
280 ind
= (ind
+ 1) % RATE_MCS_ANT_NUM
;
281 if (valid
& BIT(ind
))
285 WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid
);
289 static const struct {
292 } advanced_lookup
[] = {
293 { "NMI_INTERRUPT_WDG", 0x34 },
294 { "SYSASSERT", 0x35 },
295 { "UCODE_VERSION_MISMATCH", 0x37 },
296 { "BAD_COMMAND", 0x38 },
297 { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
298 { "FATAL_ERROR", 0x3D },
299 { "NMI_TRM_HW_ERR", 0x46 },
300 { "NMI_INTERRUPT_TRM", 0x4C },
301 { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
302 { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
303 { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
304 { "NMI_INTERRUPT_HOST", 0x66 },
305 { "NMI_INTERRUPT_ACTION_PT", 0x7C },
306 { "NMI_INTERRUPT_UNKNOWN", 0x84 },
307 { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
308 { "ADVANCED_SYSASSERT", 0 },
311 static const char *desc_lookup(u32 num
)
315 for (i
= 0; i
< ARRAY_SIZE(advanced_lookup
) - 1; i
++)
316 if (advanced_lookup
[i
].num
== num
)
317 return advanced_lookup
[i
].name
;
319 /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
320 return advanced_lookup
[i
].name
;
324 * Note: This structure is read from the device with IO accesses,
325 * and the reading already does the endian conversion. As it is
326 * read with u32-sized accesses, any members with a different size
327 * need to be ordered correctly though!
329 struct iwl_error_event_table_v1
{
330 u32 valid
; /* (nonzero) valid, (0) log is empty */
331 u32 error_id
; /* type of error */
332 u32 pc
; /* program counter */
333 u32 blink1
; /* branch link */
334 u32 blink2
; /* branch link */
335 u32 ilink1
; /* interrupt link */
336 u32 ilink2
; /* interrupt link */
337 u32 data1
; /* error-specific data */
338 u32 data2
; /* error-specific data */
339 u32 data3
; /* error-specific data */
340 u32 bcon_time
; /* beacon timer */
341 u32 tsf_low
; /* network timestamp function timer */
342 u32 tsf_hi
; /* network timestamp function timer */
343 u32 gp1
; /* GP1 timer register */
344 u32 gp2
; /* GP2 timer register */
345 u32 gp3
; /* GP3 timer register */
346 u32 ucode_ver
; /* uCode version */
347 u32 hw_ver
; /* HW Silicon version */
348 u32 brd_ver
; /* HW board version */
349 u32 log_pc
; /* log program counter */
350 u32 frame_ptr
; /* frame pointer */
351 u32 stack_ptr
; /* stack pointer */
352 u32 hcmd
; /* last host command header */
353 u32 isr0
; /* isr status register LMPM_NIC_ISR0:
355 u32 isr1
; /* isr status register LMPM_NIC_ISR1:
357 u32 isr2
; /* isr status register LMPM_NIC_ISR2:
359 u32 isr3
; /* isr status register LMPM_NIC_ISR3:
361 u32 isr4
; /* isr status register LMPM_NIC_ISR4:
363 u32 isr_pref
; /* isr status register LMPM_NIC_PREF_STAT */
364 u32 wait_event
; /* wait event() caller address */
365 u32 l2p_control
; /* L2pControlField */
366 u32 l2p_duration
; /* L2pDurationField */
367 u32 l2p_mhvalid
; /* L2pMhValidBits */
368 u32 l2p_addr_match
; /* L2pAddrMatchStat */
369 u32 lmpm_pmg_sel
; /* indicate which clocks are turned on
371 u32 u_timestamp
; /* indicate when the date and time of the
373 u32 flow_handler
; /* FH read/write pointers, RX credit */
374 } __packed
/* LOG_ERROR_TABLE_API_S_VER_1 */;
376 struct iwl_error_event_table
{
377 u32 valid
; /* (nonzero) valid, (0) log is empty */
378 u32 error_id
; /* type of error */
379 u32 trm_hw_status0
; /* TRM HW status */
380 u32 trm_hw_status1
; /* TRM HW status */
381 u32 blink2
; /* branch link */
382 u32 ilink1
; /* interrupt link */
383 u32 ilink2
; /* interrupt link */
384 u32 data1
; /* error-specific data */
385 u32 data2
; /* error-specific data */
386 u32 data3
; /* error-specific data */
387 u32 bcon_time
; /* beacon timer */
388 u32 tsf_low
; /* network timestamp function timer */
389 u32 tsf_hi
; /* network timestamp function timer */
390 u32 gp1
; /* GP1 timer register */
391 u32 gp2
; /* GP2 timer register */
392 u32 fw_rev_type
; /* firmware revision type */
393 u32 major
; /* uCode version major */
394 u32 minor
; /* uCode version minor */
395 u32 hw_ver
; /* HW Silicon version */
396 u32 brd_ver
; /* HW board version */
397 u32 log_pc
; /* log program counter */
398 u32 frame_ptr
; /* frame pointer */
399 u32 stack_ptr
; /* stack pointer */
400 u32 hcmd
; /* last host command header */
401 u32 isr0
; /* isr status register LMPM_NIC_ISR0:
403 u32 isr1
; /* isr status register LMPM_NIC_ISR1:
405 u32 isr2
; /* isr status register LMPM_NIC_ISR2:
407 u32 isr3
; /* isr status register LMPM_NIC_ISR3:
409 u32 isr4
; /* isr status register LMPM_NIC_ISR4:
411 u32 last_cmd_id
; /* last HCMD id handled by the firmware */
412 u32 wait_event
; /* wait event() caller address */
413 u32 l2p_control
; /* L2pControlField */
414 u32 l2p_duration
; /* L2pDurationField */
415 u32 l2p_mhvalid
; /* L2pMhValidBits */
416 u32 l2p_addr_match
; /* L2pAddrMatchStat */
417 u32 lmpm_pmg_sel
; /* indicate which clocks are turned on
419 u32 u_timestamp
; /* indicate when the date and time of the
421 u32 flow_handler
; /* FH read/write pointers, RX credit */
422 } __packed
/* LOG_ERROR_TABLE_API_S_VER_3 */;
425 * UMAC error struct - relevant starting from family 8000 chip.
426 * Note: This structure is read from the device with IO accesses,
427 * and the reading already does the endian conversion. As it is
428 * read with u32-sized accesses, any members with a different size
429 * need to be ordered correctly though!
431 struct iwl_umac_error_event_table
{
432 u32 valid
; /* (nonzero) valid, (0) log is empty */
433 u32 error_id
; /* type of error */
434 u32 blink1
; /* branch link */
435 u32 blink2
; /* branch link */
436 u32 ilink1
; /* interrupt link */
437 u32 ilink2
; /* interrupt link */
438 u32 data1
; /* error-specific data */
439 u32 data2
; /* error-specific data */
440 u32 data3
; /* error-specific data */
443 u32 frame_pointer
; /* core register 27*/
444 u32 stack_pointer
; /* core register 28 */
445 u32 cmd_header
; /* latest host cmd sent to UMAC */
446 u32 nic_isr_pref
; /* ISR status register */
449 #define ERROR_START_OFFSET (1 * sizeof(u32))
450 #define ERROR_ELEM_SIZE (7 * sizeof(u32))
452 static void iwl_mvm_dump_umac_error_log(struct iwl_mvm
*mvm
)
454 struct iwl_trans
*trans
= mvm
->trans
;
455 struct iwl_umac_error_event_table table
;
458 base
= mvm
->umac_error_event_table
;
460 if (base
< 0x800000) {
462 "Not valid error log pointer 0x%08X for %s uCode\n",
464 (mvm
->cur_ucode
== IWL_UCODE_INIT
)
469 iwl_trans_read_mem_bytes(trans
, base
, &table
, sizeof(table
));
471 if (ERROR_START_OFFSET
<= table
.valid
* ERROR_ELEM_SIZE
) {
472 IWL_ERR(trans
, "Start IWL Error Log Dump:\n");
473 IWL_ERR(trans
, "Status: 0x%08lX, count: %d\n",
474 mvm
->status
, table
.valid
);
477 IWL_ERR(mvm
, "0x%08X | %s\n", table
.error_id
,
478 desc_lookup(table
.error_id
));
479 IWL_ERR(mvm
, "0x%08X | umac branchlink1\n", table
.blink1
);
480 IWL_ERR(mvm
, "0x%08X | umac branchlink2\n", table
.blink2
);
481 IWL_ERR(mvm
, "0x%08X | umac interruptlink1\n", table
.ilink1
);
482 IWL_ERR(mvm
, "0x%08X | umac interruptlink2\n", table
.ilink2
);
483 IWL_ERR(mvm
, "0x%08X | umac data1\n", table
.data1
);
484 IWL_ERR(mvm
, "0x%08X | umac data2\n", table
.data2
);
485 IWL_ERR(mvm
, "0x%08X | umac data3\n", table
.data3
);
486 IWL_ERR(mvm
, "0x%08X | umac major\n", table
.umac_major
);
487 IWL_ERR(mvm
, "0x%08X | umac minor\n", table
.umac_minor
);
488 IWL_ERR(mvm
, "0x%08X | frame pointer\n", table
.frame_pointer
);
489 IWL_ERR(mvm
, "0x%08X | stack pointer\n", table
.stack_pointer
);
490 IWL_ERR(mvm
, "0x%08X | last host cmd\n", table
.cmd_header
);
491 IWL_ERR(mvm
, "0x%08X | isr status reg\n", table
.nic_isr_pref
);
494 void iwl_mvm_dump_nic_error_log(struct iwl_mvm
*mvm
)
496 struct iwl_trans
*trans
= mvm
->trans
;
497 struct iwl_error_event_table table
;
500 base
= mvm
->error_event_table
;
501 if (mvm
->cur_ucode
== IWL_UCODE_INIT
) {
503 base
= mvm
->fw
->init_errlog_ptr
;
506 base
= mvm
->fw
->inst_errlog_ptr
;
509 if (base
< 0x800000) {
511 "Not valid error log pointer 0x%08X for %s uCode\n",
513 (mvm
->cur_ucode
== IWL_UCODE_INIT
)
518 iwl_trans_read_mem_bytes(trans
, base
, &table
, sizeof(table
));
520 if (ERROR_START_OFFSET
<= table
.valid
* ERROR_ELEM_SIZE
) {
521 IWL_ERR(trans
, "Start IWL Error Log Dump:\n");
522 IWL_ERR(trans
, "Status: 0x%08lX, count: %d\n",
523 mvm
->status
, table
.valid
);
526 /* Do not change this output - scripts rely on it */
528 IWL_ERR(mvm
, "Loaded firmware version: %s\n", mvm
->fw
->fw_version
);
530 trace_iwlwifi_dev_ucode_error(trans
->dev
, table
.error_id
, table
.tsf_low
,
531 table
.data1
, table
.data2
, table
.data3
,
532 table
.blink2
, table
.ilink1
,
533 table
.ilink2
, table
.bcon_time
, table
.gp1
,
534 table
.gp2
, table
.fw_rev_type
, table
.major
,
535 table
.minor
, table
.hw_ver
, table
.brd_ver
);
536 IWL_ERR(mvm
, "0x%08X | %-28s\n", table
.error_id
,
537 desc_lookup(table
.error_id
));
538 IWL_ERR(mvm
, "0x%08X | trm_hw_status0\n", table
.trm_hw_status0
);
539 IWL_ERR(mvm
, "0x%08X | trm_hw_status1\n", table
.trm_hw_status1
);
540 IWL_ERR(mvm
, "0x%08X | branchlink2\n", table
.blink2
);
541 IWL_ERR(mvm
, "0x%08X | interruptlink1\n", table
.ilink1
);
542 IWL_ERR(mvm
, "0x%08X | interruptlink2\n", table
.ilink2
);
543 IWL_ERR(mvm
, "0x%08X | data1\n", table
.data1
);
544 IWL_ERR(mvm
, "0x%08X | data2\n", table
.data2
);
545 IWL_ERR(mvm
, "0x%08X | data3\n", table
.data3
);
546 IWL_ERR(mvm
, "0x%08X | beacon time\n", table
.bcon_time
);
547 IWL_ERR(mvm
, "0x%08X | tsf low\n", table
.tsf_low
);
548 IWL_ERR(mvm
, "0x%08X | tsf hi\n", table
.tsf_hi
);
549 IWL_ERR(mvm
, "0x%08X | time gp1\n", table
.gp1
);
550 IWL_ERR(mvm
, "0x%08X | time gp2\n", table
.gp2
);
551 IWL_ERR(mvm
, "0x%08X | uCode revision type\n", table
.fw_rev_type
);
552 IWL_ERR(mvm
, "0x%08X | uCode version major\n", table
.major
);
553 IWL_ERR(mvm
, "0x%08X | uCode version minor\n", table
.minor
);
554 IWL_ERR(mvm
, "0x%08X | hw version\n", table
.hw_ver
);
555 IWL_ERR(mvm
, "0x%08X | board version\n", table
.brd_ver
);
556 IWL_ERR(mvm
, "0x%08X | hcmd\n", table
.hcmd
);
557 IWL_ERR(mvm
, "0x%08X | isr0\n", table
.isr0
);
558 IWL_ERR(mvm
, "0x%08X | isr1\n", table
.isr1
);
559 IWL_ERR(mvm
, "0x%08X | isr2\n", table
.isr2
);
560 IWL_ERR(mvm
, "0x%08X | isr3\n", table
.isr3
);
561 IWL_ERR(mvm
, "0x%08X | isr4\n", table
.isr4
);
562 IWL_ERR(mvm
, "0x%08X | last cmd Id\n", table
.last_cmd_id
);
563 IWL_ERR(mvm
, "0x%08X | wait_event\n", table
.wait_event
);
564 IWL_ERR(mvm
, "0x%08X | l2p_control\n", table
.l2p_control
);
565 IWL_ERR(mvm
, "0x%08X | l2p_duration\n", table
.l2p_duration
);
566 IWL_ERR(mvm
, "0x%08X | l2p_mhvalid\n", table
.l2p_mhvalid
);
567 IWL_ERR(mvm
, "0x%08X | l2p_addr_match\n", table
.l2p_addr_match
);
568 IWL_ERR(mvm
, "0x%08X | lmpm_pmg_sel\n", table
.lmpm_pmg_sel
);
569 IWL_ERR(mvm
, "0x%08X | timestamp\n", table
.u_timestamp
);
570 IWL_ERR(mvm
, "0x%08X | flow_handler\n", table
.flow_handler
);
572 if (mvm
->support_umac_log
)
573 iwl_mvm_dump_umac_error_log(mvm
);
576 int iwl_mvm_find_free_queue(struct iwl_mvm
*mvm
, u8 minq
, u8 maxq
)
580 lockdep_assert_held(&mvm
->queue_info_lock
);
582 for (i
= minq
; i
<= maxq
; i
++)
583 if (mvm
->queue_info
[i
].hw_queue_refcount
== 0 &&
584 !mvm
->queue_info
[i
].setup_reserved
)
590 void iwl_mvm_enable_txq(struct iwl_mvm
*mvm
, int queue
, int mac80211_queue
,
591 u16 ssn
, const struct iwl_trans_txq_scd_cfg
*cfg
,
592 unsigned int wdg_timeout
)
594 bool enable_queue
= true;
596 spin_lock_bh(&mvm
->queue_info_lock
);
598 /* Make sure this TID isn't already enabled */
599 if (mvm
->queue_info
[queue
].tid_bitmap
& BIT(cfg
->tid
)) {
600 spin_unlock_bh(&mvm
->queue_info_lock
);
601 IWL_ERR(mvm
, "Trying to enable TXQ with existing TID %d\n",
606 /* Update mappings and refcounts */
607 mvm
->queue_info
[queue
].hw_queue_to_mac80211
|= BIT(mac80211_queue
);
608 mvm
->queue_info
[queue
].hw_queue_refcount
++;
609 if (mvm
->queue_info
[queue
].hw_queue_refcount
> 1)
610 enable_queue
= false;
612 mvm
->queue_info
[queue
].ra_sta_id
= cfg
->sta_id
;
613 mvm
->queue_info
[queue
].tid_bitmap
|= BIT(cfg
->tid
);
615 IWL_DEBUG_TX_QUEUES(mvm
,
616 "Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
617 queue
, mvm
->queue_info
[queue
].hw_queue_refcount
,
618 mvm
->queue_info
[queue
].hw_queue_to_mac80211
);
620 spin_unlock_bh(&mvm
->queue_info_lock
);
622 /* Send the enabling command if we need to */
624 struct iwl_scd_txq_cfg_cmd cmd
= {
627 .window
= cfg
->frame_limit
,
628 .sta_id
= cfg
->sta_id
,
629 .ssn
= cpu_to_le16(ssn
),
630 .tx_fifo
= cfg
->fifo
,
631 .aggregate
= cfg
->aggregate
,
635 iwl_trans_txq_enable_cfg(mvm
->trans
, queue
, ssn
, NULL
,
637 WARN(iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, 0, sizeof(cmd
),
639 "Failed to configure queue %d on FIFO %d\n", queue
,
644 void iwl_mvm_disable_txq(struct iwl_mvm
*mvm
, int queue
, int mac80211_queue
,
647 struct iwl_scd_txq_cfg_cmd cmd
= {
651 bool remove_mac_queue
= true;
654 spin_lock_bh(&mvm
->queue_info_lock
);
656 if (WARN_ON(mvm
->queue_info
[queue
].hw_queue_refcount
== 0)) {
657 spin_unlock_bh(&mvm
->queue_info_lock
);
661 mvm
->queue_info
[queue
].tid_bitmap
&= ~BIT(tid
);
664 * If there is another TID with the same AC - don't remove the MAC queue
667 if (tid
< IWL_MAX_TID_COUNT
) {
668 unsigned long tid_bitmap
=
669 mvm
->queue_info
[queue
].tid_bitmap
;
670 int ac
= tid_to_mac80211_ac
[tid
];
673 for_each_set_bit(i
, &tid_bitmap
, IWL_MAX_TID_COUNT
) {
674 if (tid_to_mac80211_ac
[i
] == ac
)
675 remove_mac_queue
= false;
679 if (remove_mac_queue
)
680 mvm
->queue_info
[queue
].hw_queue_to_mac80211
&=
681 ~BIT(mac80211_queue
);
682 mvm
->queue_info
[queue
].hw_queue_refcount
--;
684 cmd
.enable
= mvm
->queue_info
[queue
].hw_queue_refcount
? 1 : 0;
686 IWL_DEBUG_TX_QUEUES(mvm
,
687 "Disabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n",
689 mvm
->queue_info
[queue
].hw_queue_refcount
,
690 mvm
->queue_info
[queue
].hw_queue_to_mac80211
);
692 /* If the queue is still enabled - nothing left to do in this func */
694 spin_unlock_bh(&mvm
->queue_info_lock
);
698 cmd
.sta_id
= mvm
->queue_info
[queue
].ra_sta_id
;
700 /* Make sure queue info is correct even though we overwrite it */
701 WARN(mvm
->queue_info
[queue
].hw_queue_refcount
||
702 mvm
->queue_info
[queue
].tid_bitmap
||
703 mvm
->queue_info
[queue
].hw_queue_to_mac80211
,
704 "TXQ #%d info out-of-sync - refcount=%d, mac map=0x%x, tid=0x%x\n",
705 queue
, mvm
->queue_info
[queue
].hw_queue_refcount
,
706 mvm
->queue_info
[queue
].hw_queue_to_mac80211
,
707 mvm
->queue_info
[queue
].tid_bitmap
);
709 /* If we are here - the queue is freed and we can zero out these vals */
710 mvm
->queue_info
[queue
].hw_queue_refcount
= 0;
711 mvm
->queue_info
[queue
].tid_bitmap
= 0;
712 mvm
->queue_info
[queue
].hw_queue_to_mac80211
= 0;
714 spin_unlock_bh(&mvm
->queue_info_lock
);
716 iwl_trans_txq_disable(mvm
->trans
, queue
, false);
717 ret
= iwl_mvm_send_cmd_pdu(mvm
, SCD_QUEUE_CFG
, flags
,
720 IWL_ERR(mvm
, "Failed to disable queue %d (ret=%d)\n",
725 * iwl_mvm_send_lq_cmd() - Send link quality command
726 * @init: This command is sent as part of station initialization right
727 * after station has been added.
729 * The link quality command is sent as the last step of station creation.
730 * This is the special case in which init is set and we call a callback in
731 * this case to clear the state indicating that station creation is in
734 int iwl_mvm_send_lq_cmd(struct iwl_mvm
*mvm
, struct iwl_lq_cmd
*lq
, bool init
)
736 struct iwl_host_cmd cmd
= {
738 .len
= { sizeof(struct iwl_lq_cmd
), },
739 .flags
= init
? 0 : CMD_ASYNC
,
743 if (WARN_ON(lq
->sta_id
== IWL_MVM_STATION_COUNT
))
746 return iwl_mvm_send_cmd(mvm
, &cmd
);
750 * iwl_mvm_update_smps - Get a request to change the SMPS mode
751 * @req_type: The part of the driver who call for a change.
752 * @smps_requests: The request to change the SMPS mode.
754 * Get a requst to change the SMPS mode,
755 * and change it according to all other requests in the driver.
757 void iwl_mvm_update_smps(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
758 enum iwl_mvm_smps_type_request req_type
,
759 enum ieee80211_smps_mode smps_request
)
761 struct iwl_mvm_vif
*mvmvif
;
762 enum ieee80211_smps_mode smps_mode
;
765 lockdep_assert_held(&mvm
->mutex
);
767 /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */
768 if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm
)) == 1)
771 if (vif
->type
== NL80211_IFTYPE_AP
)
772 smps_mode
= IEEE80211_SMPS_OFF
;
774 smps_mode
= IEEE80211_SMPS_AUTOMATIC
;
776 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
777 mvmvif
->smps_requests
[req_type
] = smps_request
;
778 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
779 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
) {
780 smps_mode
= IEEE80211_SMPS_STATIC
;
783 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
784 smps_mode
= IEEE80211_SMPS_DYNAMIC
;
787 ieee80211_request_smps(vif
, smps_mode
);
790 int iwl_mvm_request_statistics(struct iwl_mvm
*mvm
, bool clear
)
792 struct iwl_statistics_cmd scmd
= {
793 .flags
= clear
? cpu_to_le32(IWL_STATISTICS_FLG_CLEAR
) : 0,
795 struct iwl_host_cmd cmd
= {
796 .id
= STATISTICS_CMD
,
797 .len
[0] = sizeof(scmd
),
799 .flags
= CMD_WANT_SKB
,
803 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
807 iwl_mvm_handle_rx_statistics(mvm
, cmd
.resp_pkt
);
811 iwl_mvm_accu_radio_stats(mvm
);
816 void iwl_mvm_accu_radio_stats(struct iwl_mvm
*mvm
)
818 mvm
->accu_radio_stats
.rx_time
+= mvm
->radio_stats
.rx_time
;
819 mvm
->accu_radio_stats
.tx_time
+= mvm
->radio_stats
.tx_time
;
820 mvm
->accu_radio_stats
.on_time_rf
+= mvm
->radio_stats
.on_time_rf
;
821 mvm
->accu_radio_stats
.on_time_scan
+= mvm
->radio_stats
.on_time_scan
;
824 static void iwl_mvm_diversity_iter(void *_data
, u8
*mac
,
825 struct ieee80211_vif
*vif
)
827 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
828 bool *result
= _data
;
831 for (i
= 0; i
< NUM_IWL_MVM_SMPS_REQ
; i
++) {
832 if (mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_STATIC
||
833 mvmvif
->smps_requests
[i
] == IEEE80211_SMPS_DYNAMIC
)
838 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm
*mvm
)
842 lockdep_assert_held(&mvm
->mutex
);
844 if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm
)) == 1)
847 if (mvm
->cfg
->rx_with_siso_diversity
)
850 ieee80211_iterate_active_interfaces_atomic(
851 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
852 iwl_mvm_diversity_iter
, &result
);
857 int iwl_mvm_update_low_latency(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
860 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
863 lockdep_assert_held(&mvm
->mutex
);
865 if (iwl_mvm_vif_low_latency(mvmvif
) == prev
)
868 res
= iwl_mvm_update_quotas(mvm
, false, NULL
);
872 iwl_mvm_bt_coex_vif_change(mvm
);
874 return iwl_mvm_power_update_mac(mvm
);
877 static void iwl_mvm_ll_iter(void *_data
, u8
*mac
, struct ieee80211_vif
*vif
)
879 bool *result
= _data
;
881 if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(vif
)))
885 bool iwl_mvm_low_latency(struct iwl_mvm
*mvm
)
889 ieee80211_iterate_active_interfaces_atomic(
890 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
891 iwl_mvm_ll_iter
, &result
);
896 struct iwl_bss_iter_data
{
897 struct ieee80211_vif
*vif
;
901 static void iwl_mvm_bss_iface_iterator(void *_data
, u8
*mac
,
902 struct ieee80211_vif
*vif
)
904 struct iwl_bss_iter_data
*data
= _data
;
906 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
917 struct ieee80211_vif
*iwl_mvm_get_bss_vif(struct iwl_mvm
*mvm
)
919 struct iwl_bss_iter_data bss_iter_data
= {};
921 ieee80211_iterate_active_interfaces_atomic(
922 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
923 iwl_mvm_bss_iface_iterator
, &bss_iter_data
);
925 if (bss_iter_data
.error
) {
926 IWL_ERR(mvm
, "More than one managed interface active!\n");
927 return ERR_PTR(-EINVAL
);
930 return bss_iter_data
.vif
;
933 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm
*mvm
,
934 struct ieee80211_vif
*vif
,
935 bool tdls
, bool cmd_q
)
937 struct iwl_fw_dbg_trigger_tlv
*trigger
;
938 struct iwl_fw_dbg_trigger_txq_timer
*txq_timer
;
939 unsigned int default_timeout
=
940 cmd_q
? IWL_DEF_WD_TIMEOUT
: mvm
->cfg
->base_params
->wd_timeout
;
942 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TXQ_TIMERS
))
943 return iwlmvm_mod_params
.tfd_q_hang_detect
?
944 default_timeout
: IWL_WATCHDOG_DISABLED
;
946 trigger
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TXQ_TIMERS
);
947 txq_timer
= (void *)trigger
->data
;
950 return le32_to_cpu(txq_timer
->tdls
);
953 return le32_to_cpu(txq_timer
->command_queue
);
956 return default_timeout
;
958 switch (ieee80211_vif_type_p2p(vif
)) {
959 case NL80211_IFTYPE_ADHOC
:
960 return le32_to_cpu(txq_timer
->ibss
);
961 case NL80211_IFTYPE_STATION
:
962 return le32_to_cpu(txq_timer
->bss
);
963 case NL80211_IFTYPE_AP
:
964 return le32_to_cpu(txq_timer
->softap
);
965 case NL80211_IFTYPE_P2P_CLIENT
:
966 return le32_to_cpu(txq_timer
->p2p_client
);
967 case NL80211_IFTYPE_P2P_GO
:
968 return le32_to_cpu(txq_timer
->p2p_go
);
969 case NL80211_IFTYPE_P2P_DEVICE
:
970 return le32_to_cpu(txq_timer
->p2p_device
);
973 return mvm
->cfg
->base_params
->wd_timeout
;
977 void iwl_mvm_connection_loss(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
980 struct iwl_fw_dbg_trigger_tlv
*trig
;
981 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
983 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
986 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
987 trig_mlme
= (void *)trig
->data
;
988 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
991 if (trig_mlme
->stop_connection_loss
&&
992 --trig_mlme
->stop_connection_loss
)
995 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
, "%s", errmsg
);
998 ieee80211_connection_loss(vif
);
1001 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif
*vif
,
1002 enum iwl_lqm_cmd_operatrions operation
,
1003 u32 duration
, u32 timeout
)
1005 struct iwl_mvm_vif
*mvm_vif
= iwl_mvm_vif_from_mac80211(vif
);
1006 struct iwl_link_qual_msrmnt_cmd cmd
= {
1007 .cmd_operation
= cpu_to_le32(operation
),
1008 .mac_id
= cpu_to_le32(mvm_vif
->id
),
1009 .measurement_time
= cpu_to_le32(duration
),
1010 .timeout
= cpu_to_le32(timeout
),
1013 iwl_cmd_id(LINK_QUALITY_MEASUREMENT_CMD
, MAC_CONF_GROUP
, 0);
1016 if (!fw_has_capa(&mvm_vif
->mvm
->fw
->ucode_capa
,
1017 IWL_UCODE_TLV_CAPA_LQM_SUPPORT
))
1020 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
1023 switch (operation
) {
1024 case LQM_CMD_OPERATION_START_MEASUREMENT
:
1025 if (iwl_mvm_lqm_active(mvm_vif
->mvm
))
1027 if (!vif
->bss_conf
.assoc
)
1029 mvm_vif
->lqm_active
= true;
1031 case LQM_CMD_OPERATION_STOP_MEASUREMENT
:
1032 if (!iwl_mvm_lqm_active(mvm_vif
->mvm
))
1039 ret
= iwl_mvm_send_cmd_pdu(mvm_vif
->mvm
, cmdid
, 0, sizeof(cmd
),
1042 /* command failed - roll back lqm_active state */
1044 mvm_vif
->lqm_active
=
1045 operation
== LQM_CMD_OPERATION_STOP_MEASUREMENT
;
1051 static void iwl_mvm_lqm_active_iterator(void *_data
, u8
*mac
,
1052 struct ieee80211_vif
*vif
)
1054 struct iwl_mvm_vif
*mvm_vif
= iwl_mvm_vif_from_mac80211(vif
);
1055 bool *lqm_active
= _data
;
1057 *lqm_active
= *lqm_active
|| mvm_vif
->lqm_active
;
1060 bool iwl_mvm_lqm_active(struct iwl_mvm
*mvm
)
1064 lockdep_assert_held(&mvm
->mutex
);
1065 ieee80211_iterate_active_interfaces_atomic(
1066 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1067 iwl_mvm_lqm_active_iterator
, &ret
);