1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
63 #include <net/mac80211.h>
65 #include "iwl-debug.h"
70 #include "fw-api-rs.h"
73 * Will return 0 even if the cmd failed when RFKILL is asserted unless
74 * CMD_WANT_SKB is set in cmd->flags.
76 int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd)
80 #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP)
81 if (WARN_ON(mvm->d3_test_active))
86 * Synchronous commands from this op-mode must hold
87 * the mutex, this ensures we don't try to send two
88 * (or more) synchronous commands at a time.
90 if (!(cmd->flags & CMD_ASYNC))
91 lockdep_assert_held(&mvm->mutex);
93 ret = iwl_trans_send_cmd(mvm->trans, cmd);
96 * If the caller wants the SKB, then don't hide any problems, the
97 * caller might access the response buffer which will be NULL if
100 if (cmd->flags & CMD_WANT_SKB)
103 /* Silently ignore failures if RFKILL is asserted */
104 if (!ret || ret == -ERFKILL)
109 int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
110 u32 flags, u16 len, const void *data)
112 struct iwl_host_cmd cmd = {
119 return iwl_mvm_send_cmd(mvm, &cmd);
123 * We assume that the caller set the status to the sucess value
125 int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd,
128 struct iwl_rx_packet *pkt;
129 struct iwl_cmd_response *resp;
132 lockdep_assert_held(&mvm->mutex);
134 #if defined(CONFIG_IWLWIFI_DEBUGFS) && defined(CONFIG_PM_SLEEP)
135 if (WARN_ON(mvm->d3_test_active))
140 * Only synchronous commands can wait for status,
141 * we use WANT_SKB so the caller can't.
143 if (WARN_ONCE(cmd->flags & (CMD_ASYNC | CMD_WANT_SKB),
144 "cmd flags %x", cmd->flags))
147 cmd->flags |= CMD_WANT_SKB;
149 ret = iwl_trans_send_cmd(mvm->trans, cmd);
150 if (ret == -ERFKILL) {
152 * The command failed because of RFKILL, don't update
153 * the status, leave it as success and return 0.
161 /* Can happen if RFKILL is asserted */
167 if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
172 resp_len = iwl_rx_packet_payload_len(pkt);
173 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
178 resp = (void *)pkt->data;
179 *status = le32_to_cpu(resp->status);
186 * We assume that the caller set the status to the sucess value
188 int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, u16 len,
189 const void *data, u32 *status)
191 struct iwl_host_cmd cmd = {
197 return iwl_mvm_send_cmd_status(mvm, &cmd, status);
200 #define IWL_DECLARE_RATE_INFO(r) \
201 [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP
204 * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP
206 static const u8 fw_rate_idx_to_plcp[IWL_RATE_COUNT] = {
207 IWL_DECLARE_RATE_INFO(1),
208 IWL_DECLARE_RATE_INFO(2),
209 IWL_DECLARE_RATE_INFO(5),
210 IWL_DECLARE_RATE_INFO(11),
211 IWL_DECLARE_RATE_INFO(6),
212 IWL_DECLARE_RATE_INFO(9),
213 IWL_DECLARE_RATE_INFO(12),
214 IWL_DECLARE_RATE_INFO(18),
215 IWL_DECLARE_RATE_INFO(24),
216 IWL_DECLARE_RATE_INFO(36),
217 IWL_DECLARE_RATE_INFO(48),
218 IWL_DECLARE_RATE_INFO(54),
221 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
222 enum ieee80211_band band)
224 int rate = rate_n_flags & RATE_LEGACY_RATE_MSK;
228 /* Legacy rate format, search for match in table */
229 if (band == IEEE80211_BAND_5GHZ)
230 band_offset = IWL_FIRST_OFDM_RATE;
231 for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++)
232 if (fw_rate_idx_to_plcp[idx] == rate)
233 return idx - band_offset;
238 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx)
240 /* Get PLCP rate for tx_cmd->rate_n_flags */
241 return fw_rate_idx_to_plcp[rate_idx];
244 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
245 struct iwl_device_cmd *cmd)
247 struct iwl_rx_packet *pkt = rxb_addr(rxb);
248 struct iwl_error_resp *err_resp = (void *)pkt->data;
250 IWL_ERR(mvm, "FW Error notification: type 0x%08X cmd_id 0x%02X\n",
251 le32_to_cpu(err_resp->error_type), err_resp->cmd_id);
252 IWL_ERR(mvm, "FW Error notification: seq 0x%04X service 0x%08X\n",
253 le16_to_cpu(err_resp->bad_cmd_seq_num),
254 le32_to_cpu(err_resp->error_service));
255 IWL_ERR(mvm, "FW Error notification: timestamp 0x%16llX\n",
256 le64_to_cpu(err_resp->timestamp));
261 * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h.
262 * The parameter should also be a combination of ANT_[ABC].
264 u8 first_antenna(u8 mask)
266 BUILD_BUG_ON(ANT_A != BIT(0)); /* using ffs is wrong if not */
267 if (WARN_ON_ONCE(!mask)) /* ffs will return 0 if mask is zeroed */
269 return BIT(ffs(mask) - 1);
273 * Toggles between TX antennas to send the probe request on.
274 * Receives the bitmask of valid TX antennas and the *index* used
275 * for the last TX, and returns the next valid *index* to use.
276 * In order to set it in the tx_cmd, must do BIT(idx).
278 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx)
283 for (i = 0; i < RATE_MCS_ANT_NUM; i++) {
284 ind = (ind + 1) % RATE_MCS_ANT_NUM;
285 if (valid & BIT(ind))
289 WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid);
293 static const struct {
296 } advanced_lookup[] = {
297 { "NMI_INTERRUPT_WDG", 0x34 },
298 { "SYSASSERT", 0x35 },
299 { "UCODE_VERSION_MISMATCH", 0x37 },
300 { "BAD_COMMAND", 0x38 },
301 { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
302 { "FATAL_ERROR", 0x3D },
303 { "NMI_TRM_HW_ERR", 0x46 },
304 { "NMI_INTERRUPT_TRM", 0x4C },
305 { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
306 { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
307 { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
308 { "NMI_INTERRUPT_HOST", 0x66 },
309 { "NMI_INTERRUPT_ACTION_PT", 0x7C },
310 { "NMI_INTERRUPT_UNKNOWN", 0x84 },
311 { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
312 { "ADVANCED_SYSASSERT", 0 },
315 static const char *desc_lookup(u32 num)
319 for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++)
320 if (advanced_lookup[i].num == num)
321 return advanced_lookup[i].name;
323 /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
324 return advanced_lookup[i].name;
328 * Note: This structure is read from the device with IO accesses,
329 * and the reading already does the endian conversion. As it is
330 * read with u32-sized accesses, any members with a different size
331 * need to be ordered correctly though!
333 struct iwl_error_event_table {
334 u32 valid; /* (nonzero) valid, (0) log is empty */
335 u32 error_id; /* type of error */
336 u32 pc; /* program counter */
337 u32 blink1; /* branch link */
338 u32 blink2; /* branch link */
339 u32 ilink1; /* interrupt link */
340 u32 ilink2; /* interrupt link */
341 u32 data1; /* error-specific data */
342 u32 data2; /* error-specific data */
343 u32 data3; /* error-specific data */
344 u32 bcon_time; /* beacon timer */
345 u32 tsf_low; /* network timestamp function timer */
346 u32 tsf_hi; /* network timestamp function timer */
347 u32 gp1; /* GP1 timer register */
348 u32 gp2; /* GP2 timer register */
349 u32 gp3; /* GP3 timer register */
350 u32 ucode_ver; /* uCode version */
351 u32 hw_ver; /* HW Silicon version */
352 u32 brd_ver; /* HW board version */
353 u32 log_pc; /* log program counter */
354 u32 frame_ptr; /* frame pointer */
355 u32 stack_ptr; /* stack pointer */
356 u32 hcmd; /* last host command header */
357 u32 isr0; /* isr status register LMPM_NIC_ISR0:
359 u32 isr1; /* isr status register LMPM_NIC_ISR1:
361 u32 isr2; /* isr status register LMPM_NIC_ISR2:
363 u32 isr3; /* isr status register LMPM_NIC_ISR3:
365 u32 isr4; /* isr status register LMPM_NIC_ISR4:
367 u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */
368 u32 wait_event; /* wait event() caller address */
369 u32 l2p_control; /* L2pControlField */
370 u32 l2p_duration; /* L2pDurationField */
371 u32 l2p_mhvalid; /* L2pMhValidBits */
372 u32 l2p_addr_match; /* L2pAddrMatchStat */
373 u32 lmpm_pmg_sel; /* indicate which clocks are turned on
375 u32 u_timestamp; /* indicate when the date and time of the
377 u32 flow_handler; /* FH read/write pointers, RX credit */
381 * UMAC error struct - relevant starting from family 8000 chip.
382 * Note: This structure is read from the device with IO accesses,
383 * and the reading already does the endian conversion. As it is
384 * read with u32-sized accesses, any members with a different size
385 * need to be ordered correctly though!
387 struct iwl_umac_error_event_table {
388 u32 valid; /* (nonzero) valid, (0) log is empty */
389 u32 error_id; /* type of error */
390 u32 pc; /* program counter */
391 u32 blink1; /* branch link */
392 u32 blink2; /* branch link */
393 u32 ilink1; /* interrupt link */
394 u32 ilink2; /* interrupt link */
395 u32 data1; /* error-specific data */
396 u32 data2; /* error-specific data */
397 u32 line; /* source code line of error */
398 u32 umac_ver; /* umac version */
401 #define ERROR_START_OFFSET (1 * sizeof(u32))
402 #define ERROR_ELEM_SIZE (7 * sizeof(u32))
404 static void iwl_mvm_dump_umac_error_log(struct iwl_mvm *mvm)
406 struct iwl_trans *trans = mvm->trans;
407 struct iwl_umac_error_event_table table;
410 base = mvm->umac_error_event_table;
412 if (base < 0x800000 || base >= 0x80C000) {
414 "Not valid error log pointer 0x%08X for %s uCode\n",
416 (mvm->cur_ucode == IWL_UCODE_INIT)
421 iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
423 if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
424 IWL_ERR(trans, "Start IWL Error Log Dump:\n");
425 IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
426 mvm->status, table.valid);
429 IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
430 desc_lookup(table.error_id));
431 IWL_ERR(mvm, "0x%08X | umac uPc\n", table.pc);
432 IWL_ERR(mvm, "0x%08X | umac branchlink1\n", table.blink1);
433 IWL_ERR(mvm, "0x%08X | umac branchlink2\n", table.blink2);
434 IWL_ERR(mvm, "0x%08X | umac interruptlink1\n", table.ilink1);
435 IWL_ERR(mvm, "0x%08X | umac interruptlink2\n", table.ilink2);
436 IWL_ERR(mvm, "0x%08X | umac data1\n", table.data1);
437 IWL_ERR(mvm, "0x%08X | umac data2\n", table.data2);
438 IWL_ERR(mvm, "0x%08X | umac version\n", table.umac_ver);
441 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
443 struct iwl_trans *trans = mvm->trans;
444 struct iwl_error_event_table table;
447 base = mvm->error_event_table;
448 if (mvm->cur_ucode == IWL_UCODE_INIT) {
450 base = mvm->fw->init_errlog_ptr;
453 base = mvm->fw->inst_errlog_ptr;
456 if (base < 0x800000) {
458 "Not valid error log pointer 0x%08X for %s uCode\n",
460 (mvm->cur_ucode == IWL_UCODE_INIT)
465 iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
467 if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
468 IWL_ERR(trans, "Start IWL Error Log Dump:\n");
469 IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
470 mvm->status, table.valid);
473 /* Do not change this output - scripts rely on it */
475 IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);
477 trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
478 table.data1, table.data2, table.data3,
479 table.blink1, table.blink2, table.ilink1,
480 table.ilink2, table.bcon_time, table.gp1,
481 table.gp2, table.gp3, table.ucode_ver,
482 table.hw_ver, table.brd_ver);
483 IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
484 desc_lookup(table.error_id));
485 IWL_ERR(mvm, "0x%08X | uPc\n", table.pc);
486 IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1);
487 IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2);
488 IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1);
489 IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2);
490 IWL_ERR(mvm, "0x%08X | data1\n", table.data1);
491 IWL_ERR(mvm, "0x%08X | data2\n", table.data2);
492 IWL_ERR(mvm, "0x%08X | data3\n", table.data3);
493 IWL_ERR(mvm, "0x%08X | beacon time\n", table.bcon_time);
494 IWL_ERR(mvm, "0x%08X | tsf low\n", table.tsf_low);
495 IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi);
496 IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1);
497 IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2);
498 IWL_ERR(mvm, "0x%08X | time gp3\n", table.gp3);
499 IWL_ERR(mvm, "0x%08X | uCode version\n", table.ucode_ver);
500 IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver);
501 IWL_ERR(mvm, "0x%08X | board version\n", table.brd_ver);
502 IWL_ERR(mvm, "0x%08X | hcmd\n", table.hcmd);
503 IWL_ERR(mvm, "0x%08X | isr0\n", table.isr0);
504 IWL_ERR(mvm, "0x%08X | isr1\n", table.isr1);
505 IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2);
506 IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3);
507 IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4);
508 IWL_ERR(mvm, "0x%08X | isr_pref\n", table.isr_pref);
509 IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event);
510 IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control);
511 IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration);
512 IWL_ERR(mvm, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
513 IWL_ERR(mvm, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
514 IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
515 IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp);
516 IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler);
518 if (mvm->support_umac_log)
519 iwl_mvm_dump_umac_error_log(mvm);
522 #ifdef CONFIG_IWLWIFI_DEBUGFS
523 void iwl_mvm_fw_error_sram_dump(struct iwl_mvm *mvm)
525 const struct fw_img *img;
529 if (!mvm->ucode_loaded || mvm->fw_error_sram || mvm->fw_error_dump)
532 img = &mvm->fw->img[mvm->cur_ucode];
533 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
534 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
536 sram = kzalloc(sram_len, GFP_ATOMIC);
540 iwl_trans_read_mem_bytes(mvm->trans, ofs, sram, sram_len);
541 mvm->fw_error_sram = sram;
542 mvm->fw_error_sram_len = sram_len;
545 void iwl_mvm_fw_error_rxf_dump(struct iwl_mvm *mvm)
550 if (!mvm->ucode_loaded || mvm->fw_error_rxf || mvm->fw_error_dump)
553 /* reading buffer size */
554 reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);
555 mvm->fw_error_rxf_len =
556 (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS;
558 /* the register holds the value divided by 128 */
559 mvm->fw_error_rxf_len = mvm->fw_error_rxf_len << 7;
561 if (!mvm->fw_error_rxf_len)
564 mvm->fw_error_rxf = kzalloc(mvm->fw_error_rxf_len, GFP_ATOMIC);
565 if (!mvm->fw_error_rxf) {
566 mvm->fw_error_rxf_len = 0;
570 if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags)) {
571 kfree(mvm->fw_error_rxf);
572 mvm->fw_error_rxf = NULL;
573 mvm->fw_error_rxf_len = 0;
577 for (i = 0; i < (mvm->fw_error_rxf_len / sizeof(u32)); i++) {
578 iwl_trans_write_prph(mvm->trans, RXF_LD_FENCE_OFFSET_ADDR,
580 mvm->fw_error_rxf[i] =
581 iwl_trans_read_prph(mvm->trans, RXF_FIFO_RD_FENCE_ADDR);
583 iwl_trans_release_nic_access(mvm->trans, &flags);
588 * iwl_mvm_send_lq_cmd() - Send link quality command
589 * @init: This command is sent as part of station initialization right
590 * after station has been added.
592 * The link quality command is sent as the last step of station creation.
593 * This is the special case in which init is set and we call a callback in
594 * this case to clear the state indicating that station creation is in
597 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init)
599 struct iwl_host_cmd cmd = {
601 .len = { sizeof(struct iwl_lq_cmd), },
602 .flags = init ? 0 : CMD_ASYNC,
606 if (WARN_ON(lq->sta_id == IWL_MVM_STATION_COUNT))
609 return iwl_mvm_send_cmd(mvm, &cmd);
613 * iwl_mvm_update_smps - Get a requst to change the SMPS mode
614 * @req_type: The part of the driver who call for a change.
615 * @smps_requests: The request to change the SMPS mode.
617 * Get a requst to change the SMPS mode,
618 * and change it according to all other requests in the driver.
620 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
621 enum iwl_mvm_smps_type_request req_type,
622 enum ieee80211_smps_mode smps_request)
624 struct iwl_mvm_vif *mvmvif;
625 enum ieee80211_smps_mode smps_mode;
628 lockdep_assert_held(&mvm->mutex);
630 /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */
631 if (num_of_ant(mvm->fw->valid_rx_ant) == 1)
634 if (vif->type == NL80211_IFTYPE_AP)
635 smps_mode = IEEE80211_SMPS_OFF;
637 smps_mode = IEEE80211_SMPS_AUTOMATIC;
639 mvmvif = iwl_mvm_vif_from_mac80211(vif);
640 mvmvif->smps_requests[req_type] = smps_request;
641 for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) {
642 if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC) {
643 smps_mode = IEEE80211_SMPS_STATIC;
646 if (mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC)
647 smps_mode = IEEE80211_SMPS_DYNAMIC;
650 ieee80211_request_smps(vif, smps_mode);
653 static void iwl_mvm_diversity_iter(void *_data, u8 *mac,
654 struct ieee80211_vif *vif)
656 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
657 bool *result = _data;
660 for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) {
661 if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC ||
662 mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC)
667 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm)
671 lockdep_assert_held(&mvm->mutex);
673 if (num_of_ant(mvm->fw->valid_rx_ant) == 1)
676 if (!mvm->cfg->rx_with_siso_diversity)
679 ieee80211_iterate_active_interfaces_atomic(
680 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
681 iwl_mvm_diversity_iter, &result);
686 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
689 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
692 lockdep_assert_held(&mvm->mutex);
694 if (mvmvif->low_latency == value)
697 mvmvif->low_latency = value;
699 res = iwl_mvm_update_quotas(mvm, NULL);
703 iwl_mvm_bt_coex_vif_change(mvm);
705 return iwl_mvm_power_update_mac(mvm, vif);
708 static void iwl_mvm_ll_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
710 bool *result = _data;
712 if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(vif)))
716 bool iwl_mvm_low_latency(struct iwl_mvm *mvm)
720 ieee80211_iterate_active_interfaces_atomic(
721 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
722 iwl_mvm_ll_iter, &result);
727 static void iwl_mvm_idle_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
731 if (!vif->bss_conf.idle)
735 bool iwl_mvm_is_idle(struct iwl_mvm *mvm)
739 ieee80211_iterate_active_interfaces_atomic(
740 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
741 iwl_mvm_idle_iter, &idle);