debugfs.c

   1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2/*
   3 * Copyright (C) 2012-2014, 2018-2023, 2025 Intel Corporation
   4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
   5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
   6 */
   7#include <linux/vmalloc.h>
   8#include <linux/err.h>
   9#include <linux/ieee80211.h>
  10#include <linux/netdevice.h>
  11#include <linux/dmi.h>
  12
  13#include "mvm.h"
  14#include "sta.h"
  15#include "iwl-io.h"
  16#include "debugfs.h"
  17#include "iwl-modparams.h"
  18#include "iwl-drv.h"
  19#include "iwl-utils.h"
  20#include "fw/error-dump.h"
  21#include "fw/api/phy-ctxt.h"
  22
  23static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
  24					  char __user *user_buf,
  25					  size_t count, loff_t *ppos)
  26{
  27	struct iwl_mvm *mvm = file->private_data;
  28	char buf[16];
  29	int pos, budget;
  30
  31	if (!iwl_mvm_is_ctdp_supported(mvm))
  32		return -EOPNOTSUPP;
  33
  34	if (!iwl_mvm_firmware_running(mvm) ||
  35	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
  36		return -EIO;
  37
  38	mutex_lock(&mvm->mutex);
  39	budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
  40	mutex_unlock(&mvm->mutex);
  41
  42	if (budget < 0)
  43		return budget;
  44
  45	pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
  46
  47	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
  48}
  49
  50static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
  51					 size_t count, loff_t *ppos)
  52{
  53	int ret;
  54	bool force;
  55
  56	if (!kstrtobool(buf, &force))
  57		IWL_DEBUG_INFO(mvm,
  58			       "force start is %d [0=disabled, 1=enabled]\n",
  59			       force);
  60
  61	/* we allow skipping cap support check and force stop ctdp
  62	 * statistics collection and with guerantee that it is
  63	 * safe to use.
  64	 */
  65	if (!force && !iwl_mvm_is_ctdp_supported(mvm))
  66		return -EOPNOTSUPP;
  67
  68	if (!iwl_mvm_firmware_running(mvm) ||
  69	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
  70		return -EIO;
  71
  72	mutex_lock(&mvm->mutex);
  73	ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
  74	mutex_unlock(&mvm->mutex);
  75
  76	return ret ?: count;
  77}
  78
  79static ssize_t iwl_dbgfs_start_ctdp_write(struct iwl_mvm *mvm,
  80					  char *buf, size_t count,
  81					  loff_t *ppos)
  82{
  83	int ret;
  84	bool force;
  85
  86	if (!kstrtobool(buf, &force))
  87		IWL_DEBUG_INFO(mvm,
  88			       "force start is %d [0=disabled, 1=enabled]\n",
  89			       force);
  90
  91	/* we allow skipping cap support check and force enable ctdp
  92	 * for statistics collection and with guerantee that it is
  93	 * safe to use.
  94	 */
  95	if (!force && !iwl_mvm_is_ctdp_supported(mvm))
  96		return -EOPNOTSUPP;
  97
  98	if (!iwl_mvm_firmware_running(mvm) ||
  99	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
 100		return -EIO;
 101
 102	mutex_lock(&mvm->mutex);
 103	ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 0);
 104	mutex_unlock(&mvm->mutex);
 105
 106	return ret ?: count;
 107}
 108
 109static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
 110					    size_t count, loff_t *ppos)
 111{
 112	if (!iwl_mvm_firmware_running(mvm) ||
 113	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
 114		return -EIO;
 115
 116	iwl_mvm_enter_ctkill(mvm);
 117
 118	return count;
 119}
 120
 121static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
 122					size_t count, loff_t *ppos)
 123{
 124	int ret;
 125	u32 flush_arg;
 126
 127	if (!iwl_mvm_firmware_running(mvm) ||
 128	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
 129		return -EIO;
 130
 131	if (kstrtou32(buf, 0, &flush_arg))
 132		return -EINVAL;
 133
 134	if (iwl_mvm_has_new_tx_api(mvm)) {
 135		IWL_DEBUG_TX_QUEUES(mvm,
 136				    "FLUSHING all tids queues on sta_id = %d\n",
 137				    flush_arg);
 138		mutex_lock(&mvm->mutex);
 139		ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
 140			? : count;
 141		mutex_unlock(&mvm->mutex);
 142		return ret;
 143	}
 144
 145	IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
 146			    flush_arg);
 147
 148	mutex_lock(&mvm->mutex);
 149	ret =  iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
 150	mutex_unlock(&mvm->mutex);
 151
 152	return ret;
 153}
 154
 155static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
 156				   size_t count, loff_t *ppos)
 157{
 158	struct iwl_mvm *mvm = file->private_data;
 159	const struct fw_img *img;
 160	unsigned int ofs, len;
 161	size_t ret;
 162	u8 *ptr;
 163
 164	if (!iwl_mvm_firmware_running(mvm))
 165		return -EINVAL;
 166
 167	/* default is to dump the entire data segment */
 168	img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
 169	ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
 170	len = img->sec[IWL_UCODE_SECTION_DATA].len;
 171
 172	if (mvm->dbgfs_sram_len) {
 173		ofs = mvm->dbgfs_sram_offset;
 174		len = mvm->dbgfs_sram_len;
 175	}
 176
 177	ptr = kzalloc(len, GFP_KERNEL);
 178	if (!ptr)
 179		return -ENOMEM;
 180
 181	iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
 182
 183	ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
 184
 185	kfree(ptr);
 186
 187	return ret;
 188}
 189
 190static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
 191				    size_t count, loff_t *ppos)
 192{
 193	const struct fw_img *img;
 194	u32 offset, len;
 195	u32 img_offset, img_len;
 196
 197	if (!iwl_mvm_firmware_running(mvm))
 198		return -EINVAL;
 199
 200	img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
 201	img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
 202	img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 203
 204	if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 205		if ((offset & 0x3) || (len & 0x3))
 206			return -EINVAL;
 207
 208		if (offset + len > img_offset + img_len)
 209			return -EINVAL;
 210
 211		mvm->dbgfs_sram_offset = offset;
 212		mvm->dbgfs_sram_len = len;
 213	} else {
 214		mvm->dbgfs_sram_offset = 0;
 215		mvm->dbgfs_sram_len = 0;
 216	}
 217
 218	return count;
 219}
 220
 221static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
 222						  char __user *user_buf,
 223						  size_t count, loff_t *ppos)
 224{
 225	struct iwl_mvm *mvm = file->private_data;
 226	char buf[16];
 227	int pos;
 228
 229	if (!mvm->temperature_test)
 230		pos = scnprintf(buf, sizeof(buf), "disabled\n");
 231	else
 232		pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature);
 233
 234	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 235}
 236
 237/*
 238 * Set NIC Temperature
 239 * Cause the driver to ignore the actual NIC temperature reported by the FW
 240 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
 241 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
 242 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
 243 */
 244static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 245						   char *buf, size_t count,
 246						   loff_t *ppos)
 247{
 248	int temperature;
 249
 250	if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
 251		return -EIO;
 252
 253	if (kstrtoint(buf, 10, &temperature))
 254		return -EINVAL;
 255	/* not a legal temperature */
 256	if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
 257	     temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
 258	    temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
 259		return -EINVAL;
 260
 261	mutex_lock(&mvm->mutex);
 262	if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
 263		if (!mvm->temperature_test)
 264			goto out;
 265
 266		mvm->temperature_test = false;
 267		/* Since we can't read the temp while awake, just set
 268		 * it to zero until we get the next RX stats from the
 269		 * firmware.
 270		 */
 271		mvm->temperature = 0;
 272	} else {
 273		mvm->temperature_test = true;
 274		mvm->temperature = temperature;
 275	}
 276	IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
 277		       mvm->temperature_test ? "En" : "Dis",
 278		       mvm->temperature);
 279	/* handle the temperature change */
 280	iwl_mvm_tt_handler(mvm);
 281
 282out:
 283	mutex_unlock(&mvm->mutex);
 284
 285	return count;
 286}
 287
 288static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
 289				       char __user *user_buf,
 290				       size_t count, loff_t *ppos)
 291{
 292	struct iwl_mvm *mvm = file->private_data;
 293	char buf[16];
 294	int pos, ret;
 295	s32 temp;
 296
 297	if (!iwl_mvm_firmware_running(mvm))
 298		return -EIO;
 299
 300	mutex_lock(&mvm->mutex);
 301	ret = iwl_mvm_get_temp(mvm, &temp);
 302	mutex_unlock(&mvm->mutex);
 303
 304	if (ret)
 305		return -EIO;
 306
 307	pos = scnprintf(buf, sizeof(buf), "%d\n", temp);
 308
 309	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 310}
 311
 312#ifdef CONFIG_ACPI
 313static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
 314					      char __user *user_buf,
 315					      size_t count, loff_t *ppos)
 316{
 317	struct iwl_mvm *mvm = file->private_data;
 318	char buf[256];
 319	int pos = 0;
 320	int bufsz = sizeof(buf);
 321	int tbl_idx;
 322
 323	if (!iwl_mvm_firmware_running(mvm))
 324		return -EIO;
 325
 326	mutex_lock(&mvm->mutex);
 327	tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
 328	if (tbl_idx < 0) {
 329		mutex_unlock(&mvm->mutex);
 330		return tbl_idx;
 331	}
 332
 333	if (!tbl_idx) {
 334		pos = scnprintf(buf, bufsz,
 335				"SAR geographic profile disabled\n");
 336	} else {
 337		pos += scnprintf(buf + pos, bufsz - pos,
 338				 "Use geographic profile %d\n", tbl_idx);
 339		pos += scnprintf(buf + pos, bufsz - pos,
 340				 "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
 341				 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
 342				 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
 343				 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
 344		pos += scnprintf(buf + pos, bufsz - pos,
 345				 "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
 346				 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
 347				 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
 348				 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
 349	}
 350	mutex_unlock(&mvm->mutex);
 351
 352	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 353}
 354
 355static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file,
 356					     char __user *user_buf,
 357					     size_t count, loff_t *ppos)
 358{
 359	struct iwl_mvm *mvm = file->private_data;
 360	int err, pos;
 361	char buf[12];
 362	u32 value;
 363
 364	err = iwl_bios_get_dsm(&mvm->fwrt, DSM_FUNC_ENABLE_6E, &value);
 365	if (err)
 366		return err;
 367
 368	pos = sprintf(buf, "0x%08x\n", value);
 369
 370	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 371}
 372#endif
 373
 374static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 375				       size_t count, loff_t *ppos)
 376{
 377	struct iwl_mvm *mvm = file->private_data;
 378	struct ieee80211_sta *sta;
 379	char buf[400];
 380	int i, pos = 0, bufsz = sizeof(buf);
 381
 382	mutex_lock(&mvm->mutex);
 383
 384	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
 385		pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
 386		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
 387						lockdep_is_held(&mvm->mutex));
 388		if (!sta)
 389			pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
 390		else if (IS_ERR(sta))
 391			pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
 392					 PTR_ERR(sta));
 393		else
 394			pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
 395					 sta->addr);
 396	}
 397
 398	mutex_unlock(&mvm->mutex);
 399
 400	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 401}
 402
 403static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta,
 404				      struct iwl_mvm_sta *mvmsta,
 405				      struct iwl_mvm *mvm,
 406				      struct iwl_mvm_link_sta *mvm_link_sta,
 407				      char __user *user_buf,
 408				      size_t count, loff_t *ppos)
 409{
 410	struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw;
 411	static const size_t bufsz = 2048;
 412	char *buff;
 413	int desc = 0;
 414	ssize_t ret;
 415
 416	buff = kmalloc(bufsz, GFP_KERNEL);
 417	if (!buff)
 418		return -ENOMEM;
 419
 420	desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
 421			  lq_sta->pers.sta_id);
 422	desc += scnprintf(buff + desc, bufsz - desc,
 423			  "fixed rate 0x%X\n",
 424			  lq_sta->pers.dbg_fixed_rate);
 425	desc += scnprintf(buff + desc, bufsz - desc,
 426			  "A-MPDU size limit %d\n",
 427			  lq_sta->pers.dbg_agg_frame_count_lim);
 428	desc += scnprintf(buff + desc, bufsz - desc,
 429			  "valid_tx_ant %s%s\n",
 430		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
 431		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
 432	desc += scnprintf(buff + desc, bufsz - desc,
 433			  "last tx rate=0x%X ",
 434			  lq_sta->last_rate_n_flags);
 435
 436	desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
 437				     lq_sta->last_rate_n_flags);
 438	if (desc < bufsz - 1)
 439		buff[desc++] = '\n';
 440
 441	ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
 442	kfree(buff);
 443	return ret;
 444}
 445
 446static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta,
 447					 struct iwl_mvm_sta *mvmsta,
 448					 struct iwl_mvm *mvm,
 449					 struct iwl_mvm_link_sta *mvm_link_sta,
 450					 char *buf, size_t count,
 451					 loff_t *ppos)
 452{
 453	int i;
 454	u16 amsdu_len;
 455
 456	if (kstrtou16(buf, 0, &amsdu_len))
 457		return -EINVAL;
 458
 459	/* only change from debug set <-> debug unset */
 460	if (amsdu_len && mvm_link_sta->orig_amsdu_len)
 461		return -EBUSY;
 462
 463	if (amsdu_len) {
 464		mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len;
 465		link_sta->agg.max_amsdu_len = amsdu_len;
 466		for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++)
 467			link_sta->agg.max_tid_amsdu_len[i] = amsdu_len;
 468	} else {
 469		link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len;
 470		mvm_link_sta->orig_amsdu_len = 0;
 471	}
 472
 473	ieee80211_sta_recalc_aggregates(link_sta->sta);
 474
 475	return count;
 476}
 477
 478static ssize_t iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta *link_sta,
 479					struct iwl_mvm_sta *mvmsta,
 480					struct iwl_mvm *mvm,
 481					struct iwl_mvm_link_sta *mvm_link_sta,
 482					char __user *user_buf,
 483					size_t count, loff_t *ppos)
 484{
 485	char buf[32];
 486	int pos;
 487
 488	pos = scnprintf(buf, sizeof(buf), "current %d ",
 489			link_sta->agg.max_amsdu_len);
 490	pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
 491			 mvm_link_sta->orig_amsdu_len);
 492
 493	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 494}
 495
 496static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
 497						char __user *user_buf,
 498						size_t count, loff_t *ppos)
 499{
 500	struct iwl_mvm *mvm = file->private_data;
 501	char buf[64];
 502	int bufsz = sizeof(buf);
 503	int pos = 0;
 504
 505	pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
 506			 mvm->disable_power_off);
 507	pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
 508			 mvm->disable_power_off_d3);
 509
 510	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 511}
 512
 513static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
 514						 size_t count, loff_t *ppos)
 515{
 516	int ret, val;
 517
 518	if (!iwl_mvm_firmware_running(mvm))
 519		return -EIO;
 520
 521	if (!strncmp("disable_power_off_d0=", buf, 21)) {
 522		if (sscanf(buf + 21, "%d", &val) != 1)
 523			return -EINVAL;
 524		mvm->disable_power_off = val;
 525	} else if (!strncmp("disable_power_off_d3=", buf, 21)) {
 526		if (sscanf(buf + 21, "%d", &val) != 1)
 527			return -EINVAL;
 528		mvm->disable_power_off_d3 = val;
 529	} else {
 530		return -EINVAL;
 531	}
 532
 533	mutex_lock(&mvm->mutex);
 534	ret = iwl_mvm_power_update_device(mvm);
 535	mutex_unlock(&mvm->mutex);
 536
 537	return ret ?: count;
 538}
 539
 540static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
 541					     char __user *user_buf,
 542					     size_t count, loff_t *ppos)
 543{
 544	struct iwl_mvm *mvm = file->private_data;
 545	struct iwl_tas_status_resp *rsp = NULL;
 546	static const size_t bufsz = 1024;
 547	char *buff, *pos, *endpos;
 548	const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
 549		[TAS_DISABLED_DUE_TO_BIOS] =
 550			"Due To BIOS",
 551		[TAS_DISABLED_DUE_TO_SAR_6DBM] =
 552			"Due To SAR Limit Less Than 6 dBm",
 553		[TAS_DISABLED_REASON_INVALID] =
 554			"N/A",
 555		[TAS_DISABLED_DUE_TO_TABLE_SOURCE_INVALID] =
 556			"Due to table source invalid",
 557	};
 558	const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
 559		[TAS_DYNA_INACTIVE] = "INACTIVE",
 560		[TAS_DYNA_INACTIVE_MVM_MODE] =
 561			"inactive due to mvm mode",
 562		[TAS_DYNA_INACTIVE_TRIGGER_MODE] =
 563			"inactive due to trigger mode",
 564		[TAS_DYNA_INACTIVE_BLOCK_LISTED] =
 565			"inactive due to block listed",
 566		[TAS_DYNA_INACTIVE_UHB_NON_US] =
 567			"inactive due to uhb non US",
 568		[TAS_DYNA_ACTIVE] = "ACTIVE",
 569	};
 570	struct iwl_host_cmd hcmd = {
 571		.id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
 572		.flags = CMD_WANT_SKB,
 573		.len = { 0, },
 574		.data = { NULL, },
 575	};
 576	int ret, i, tmp;
 577	bool tas_enabled = false;
 578	unsigned long dyn_status;
 579
 580	if (!iwl_mvm_firmware_running(mvm))
 581		return -ENODEV;
 582
 583	if (iwl_fw_lookup_notif_ver(mvm->fw, DEBUG_GROUP, GET_TAS_STATUS,
 584				    0) != 3)
 585		return -EOPNOTSUPP;
 586
 587	mutex_lock(&mvm->mutex);
 588	ret = iwl_mvm_send_cmd(mvm, &hcmd);
 589	mutex_unlock(&mvm->mutex);
 590	if (ret < 0)
 591		return ret;
 592
 593	buff = kzalloc(bufsz, GFP_KERNEL);
 594	if (!buff)
 595		return -ENOMEM;
 596	pos = buff;
 597	endpos = pos + bufsz;
 598
 599	rsp = (void *)hcmd.resp_pkt->data;
 600
 601	pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
 602	for (i = 0; i < rsp->in_dual_radio + 1; i++) {
 603		if (rsp->tas_status_mac[i].dynamic_status &
 604		    BIT(TAS_DYNA_ACTIVE)) {
 605			pos += scnprintf(pos, endpos - pos, "\tON for ");
 606			switch (rsp->tas_status_mac[i].band) {
 607			case PHY_BAND_5:
 608				pos += scnprintf(pos, endpos - pos, "HB\n");
 609				break;
 610			case PHY_BAND_24:
 611				pos += scnprintf(pos, endpos - pos, "LB\n");
 612				break;
 613			case PHY_BAND_6:
 614				pos += scnprintf(pos, endpos - pos, "UHB\n");
 615				break;
 616			default:
 617				pos += scnprintf(pos, endpos - pos,
 618						 "Unsupported band (%d)\n",
 619						 rsp->tas_status_mac[i].band);
 620				goto out;
 621			}
 622			tas_enabled = true;
 623		}
 624	}
 625	if (!tas_enabled)
 626		pos += scnprintf(pos, endpos - pos, "\tOFF\n");
 627
 628	pos += scnprintf(pos, endpos - pos, "TAS Report\n");
 629	pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
 630			 rsp->tas_fw_version);
 631	pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
 632			 rsp->is_uhb_for_usa_enable ? "True" : "False");
 633
 634	if (fw_has_capa(&mvm->fw->ucode_capa,
 635			IWL_UCODE_TLV_CAPA_UHB_CANADA_TAS_SUPPORT))
 636		pos += scnprintf(pos, endpos - pos,
 637				 "Is UHB enabled for CANADA?: %s\n",
 638				 rsp->uhb_allowed_flags &
 639				 TAS_UHB_ALLOWED_CANADA ? "True" : "False");
 640
 641	pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
 642			 le16_to_cpu(rsp->curr_mcc));
 643
 644	pos += scnprintf(pos, endpos - pos, "Block list entries:");
 645	for (i = 0; i < IWL_WTAS_BLACK_LIST_MAX; i++)
 646		pos += scnprintf(pos, endpos - pos, " 0x%x",
 647				 le16_to_cpu(rsp->block_list[i]));
 648
 649	pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
 650			 dmi_get_system_info(DMI_SYS_VENDOR) ?: "<unknown>");
 651	pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
 652			 iwl_is_tas_approved() ? "YES" : "NO");
 653	pos += scnprintf(pos, endpos - pos,
 654			 "\tDo TAS Support Dual Radio?: %s\n",
 655			 rsp->in_dual_radio ? "TRUE" : "FALSE");
 656
 657	for (i = 0; i < rsp->in_dual_radio + 1; i++) {
 658		if (rsp->tas_status_mac[i].static_status == 0) {
 659			pos += scnprintf(pos, endpos - pos,
 660					 "Static status: disabled\n");
 661			pos += scnprintf(pos, endpos - pos,
 662					 "Static disabled reason: %s (0)\n",
 663					 tas_dis_reason[0]);
 664			goto out;
 665		}
 666
 667		pos += scnprintf(pos, endpos - pos, "TAS status for ");
 668		switch (rsp->tas_status_mac[i].band) {
 669		case PHY_BAND_5:
 670			pos += scnprintf(pos, endpos - pos, "High band\n");
 671			break;
 672		case PHY_BAND_24:
 673			pos += scnprintf(pos, endpos - pos, "Low band\n");
 674			break;
 675		case PHY_BAND_6:
 676			pos += scnprintf(pos, endpos - pos,
 677					 "Ultra high band\n");
 678			break;
 679		default:
 680			pos += scnprintf(pos, endpos - pos,
 681					 "Unsupported band (%d)\n",
 682					 rsp->tas_status_mac[i].band);
 683			goto out;
 684		}
 685		pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
 686				 rsp->tas_status_mac[i].static_status ?
 687				 "En" : "Dis");
 688		pos += scnprintf(pos, endpos - pos,
 689				 "\tStatic Disabled Reason: ");
 690		if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
 691			pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
 692					 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
 693					 rsp->tas_status_mac[i].static_dis_reason);
 694		else
 695			pos += scnprintf(pos, endpos - pos,
 696					 "unsupported value (%d)\n",
 697					 rsp->tas_status_mac[i].static_dis_reason);
 698
 699		pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
 700		dyn_status = (rsp->tas_status_mac[i].dynamic_status);
 701		for_each_set_bit(tmp, &dyn_status, TAS_DYNA_STATUS_MAX) {
 702			pos += scnprintf(pos, endpos - pos, "\t%s (%d)\n",
 703					 tas_current_status[tmp], tmp);
 704		}
 705
 706		pos += scnprintf(pos, endpos - pos,
 707				 "Is near disconnection?: %s\n",
 708				 rsp->tas_status_mac[i].near_disconnection ?
 709				 "True" : "False");
 710		tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
 711		pos += scnprintf(pos, endpos - pos,
 712				 "Max. regulatory pwr limit (dBm): %d.%03d\n",
 713				 tmp / 8, 125 * (tmp % 8));
 714		tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
 715		pos += scnprintf(pos, endpos - pos,
 716				 "SAR limit (dBm): %d.%03d\n",
 717				 tmp / 8, 125 * (tmp % 8));
 718	}
 719
 720out:
 721	ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
 722	kfree(buff);
 723	iwl_free_resp(&hcmd);
 724	return ret;
 725}
 726
 727static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
 728						  char __user *user_buf,
 729						  size_t count, loff_t *ppos)
 730{
 731	struct iwl_mvm *mvm = file->private_data;
 732	char *buf;
 733	size_t bufsz;
 734	int pos;
 735	ssize_t ret;
 736
 737	bufsz = mvm->fw->phy_integration_ver_len + 2;
 738	buf = kmalloc(bufsz, GFP_KERNEL);
 739	if (!buf)
 740		return -ENOMEM;
 741
 742	pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
 743			mvm->fw->phy_integration_ver);
 744
 745	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 746
 747	kfree(buf);
 748	return ret;
 749}
 750
 751#define PRINT_STATS_LE32(_struct, _memb)				\
 752			 pos += scnprintf(buf + pos, bufsz - pos,	\
 753					  fmt_table, #_memb,		\
 754					  le32_to_cpu(_struct->_memb))
 755
 756static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 757					  char __user *user_buf, size_t count,
 758					  loff_t *ppos)
 759{
 760	struct iwl_mvm *mvm = file->private_data;
 761	static const char *fmt_table = "\t%-30s %10u\n";
 762	static const char *fmt_header = "%-32s\n";
 763	int pos = 0;
 764	char *buf;
 765	int ret;
 766	size_t bufsz;
 767	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
 768					   WIDE_ID(SYSTEM_GROUP,
 769						   SYSTEM_STATISTICS_CMD),
 770					   IWL_FW_CMD_VER_UNKNOWN);
 771
 772	if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
 773		return -EOPNOTSUPP;
 774
 775	if (iwl_mvm_has_new_rx_stats_api(mvm))
 776		bufsz = ((sizeof(struct mvm_statistics_rx) /
 777			  sizeof(__le32)) * 43) + (4 * 33) + 1;
 778	else
 779		/* 43 = size of each data line; 33 = size of each header */
 780		bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
 781			  sizeof(__le32)) * 43) + (4 * 33) + 1;
 782
 783	buf = kzalloc(bufsz, GFP_KERNEL);
 784	if (!buf)
 785		return -ENOMEM;
 786
 787	mutex_lock(&mvm->mutex);
 788
 789	if (iwl_mvm_firmware_running(mvm))
 790		iwl_mvm_request_statistics(mvm, false);
 791
 792	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 793			 "Statistics_Rx - OFDM");
 794	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
 795		struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
 796
 797		PRINT_STATS_LE32(ofdm, ina_cnt);
 798		PRINT_STATS_LE32(ofdm, fina_cnt);
 799		PRINT_STATS_LE32(ofdm, plcp_err);
 800		PRINT_STATS_LE32(ofdm, crc32_err);
 801		PRINT_STATS_LE32(ofdm, overrun_err);
 802		PRINT_STATS_LE32(ofdm, early_overrun_err);
 803		PRINT_STATS_LE32(ofdm, crc32_good);
 804		PRINT_STATS_LE32(ofdm, false_alarm_cnt);
 805		PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
 806		PRINT_STATS_LE32(ofdm, sfd_timeout);
 807		PRINT_STATS_LE32(ofdm, fina_timeout);
 808		PRINT_STATS_LE32(ofdm, unresponded_rts);
 809		PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
 810		PRINT_STATS_LE32(ofdm, sent_ack_cnt);
 811		PRINT_STATS_LE32(ofdm, sent_cts_cnt);
 812		PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
 813		PRINT_STATS_LE32(ofdm, dsp_self_kill);
 814		PRINT_STATS_LE32(ofdm, mh_format_err);
 815		PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
 816		PRINT_STATS_LE32(ofdm, reserved);
 817	} else {
 818		struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
 819
 820		PRINT_STATS_LE32(ofdm, unresponded_rts);
 821		PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
 822		PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
 823		PRINT_STATS_LE32(ofdm, dsp_self_kill);
 824		PRINT_STATS_LE32(ofdm, reserved);
 825	}
 826
 827	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 828			 "Statistics_Rx - CCK");
 829	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
 830		struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
 831
 832		PRINT_STATS_LE32(cck, ina_cnt);
 833		PRINT_STATS_LE32(cck, fina_cnt);
 834		PRINT_STATS_LE32(cck, plcp_err);
 835		PRINT_STATS_LE32(cck, crc32_err);
 836		PRINT_STATS_LE32(cck, overrun_err);
 837		PRINT_STATS_LE32(cck, early_overrun_err);
 838		PRINT_STATS_LE32(cck, crc32_good);
 839		PRINT_STATS_LE32(cck, false_alarm_cnt);
 840		PRINT_STATS_LE32(cck, fina_sync_err_cnt);
 841		PRINT_STATS_LE32(cck, sfd_timeout);
 842		PRINT_STATS_LE32(cck, fina_timeout);
 843		PRINT_STATS_LE32(cck, unresponded_rts);
 844		PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
 845		PRINT_STATS_LE32(cck, sent_ack_cnt);
 846		PRINT_STATS_LE32(cck, sent_cts_cnt);
 847		PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
 848		PRINT_STATS_LE32(cck, dsp_self_kill);
 849		PRINT_STATS_LE32(cck, mh_format_err);
 850		PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
 851		PRINT_STATS_LE32(cck, reserved);
 852	} else {
 853		struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
 854
 855		PRINT_STATS_LE32(cck, unresponded_rts);
 856		PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
 857		PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
 858		PRINT_STATS_LE32(cck, dsp_self_kill);
 859		PRINT_STATS_LE32(cck, reserved);
 860	}
 861
 862	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 863			 "Statistics_Rx - GENERAL");
 864	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
 865		struct mvm_statistics_rx_non_phy_v3 *general =
 866			&mvm->rx_stats_v3.general;
 867
 868		PRINT_STATS_LE32(general, bogus_cts);
 869		PRINT_STATS_LE32(general, bogus_ack);
 870		PRINT_STATS_LE32(general, non_bssid_frames);
 871		PRINT_STATS_LE32(general, filtered_frames);
 872		PRINT_STATS_LE32(general, non_channel_beacons);
 873		PRINT_STATS_LE32(general, channel_beacons);
 874		PRINT_STATS_LE32(general, num_missed_bcon);
 875		PRINT_STATS_LE32(general, adc_rx_saturation_time);
 876		PRINT_STATS_LE32(general, ina_detection_search_time);
 877		PRINT_STATS_LE32(general, beacon_silence_rssi_a);
 878		PRINT_STATS_LE32(general, beacon_silence_rssi_b);
 879		PRINT_STATS_LE32(general, beacon_silence_rssi_c);
 880		PRINT_STATS_LE32(general, interference_data_flag);
 881		PRINT_STATS_LE32(general, channel_load);
 882		PRINT_STATS_LE32(general, dsp_false_alarms);
 883		PRINT_STATS_LE32(general, beacon_rssi_a);
 884		PRINT_STATS_LE32(general, beacon_rssi_b);
 885		PRINT_STATS_LE32(general, beacon_rssi_c);
 886		PRINT_STATS_LE32(general, beacon_energy_a);
 887		PRINT_STATS_LE32(general, beacon_energy_b);
 888		PRINT_STATS_LE32(general, beacon_energy_c);
 889		PRINT_STATS_LE32(general, num_bt_kills);
 890		PRINT_STATS_LE32(general, mac_id);
 891		PRINT_STATS_LE32(general, directed_data_mpdu);
 892	} else {
 893		struct mvm_statistics_rx_non_phy *general =
 894			&mvm->rx_stats.general;
 895
 896		PRINT_STATS_LE32(general, bogus_cts);
 897		PRINT_STATS_LE32(general, bogus_ack);
 898		PRINT_STATS_LE32(general, non_channel_beacons);
 899		PRINT_STATS_LE32(general, channel_beacons);
 900		PRINT_STATS_LE32(general, num_missed_bcon);
 901		PRINT_STATS_LE32(general, adc_rx_saturation_time);
 902		PRINT_STATS_LE32(general, ina_detection_search_time);
 903		PRINT_STATS_LE32(general, beacon_silence_rssi_a);
 904		PRINT_STATS_LE32(general, beacon_silence_rssi_b);
 905		PRINT_STATS_LE32(general, beacon_silence_rssi_c);
 906		PRINT_STATS_LE32(general, interference_data_flag);
 907		PRINT_STATS_LE32(general, channel_load);
 908		PRINT_STATS_LE32(general, beacon_rssi_a);
 909		PRINT_STATS_LE32(general, beacon_rssi_b);
 910		PRINT_STATS_LE32(general, beacon_rssi_c);
 911		PRINT_STATS_LE32(general, beacon_energy_a);
 912		PRINT_STATS_LE32(general, beacon_energy_b);
 913		PRINT_STATS_LE32(general, beacon_energy_c);
 914		PRINT_STATS_LE32(general, num_bt_kills);
 915		PRINT_STATS_LE32(general, mac_id);
 916	}
 917
 918	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 919			 "Statistics_Rx - HT");
 920	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
 921		struct mvm_statistics_rx_ht_phy_v1 *ht =
 922			&mvm->rx_stats_v3.ofdm_ht;
 923
 924		PRINT_STATS_LE32(ht, plcp_err);
 925		PRINT_STATS_LE32(ht, overrun_err);
 926		PRINT_STATS_LE32(ht, early_overrun_err);
 927		PRINT_STATS_LE32(ht, crc32_good);
 928		PRINT_STATS_LE32(ht, crc32_err);
 929		PRINT_STATS_LE32(ht, mh_format_err);
 930		PRINT_STATS_LE32(ht, agg_crc32_good);
 931		PRINT_STATS_LE32(ht, agg_mpdu_cnt);
 932		PRINT_STATS_LE32(ht, agg_cnt);
 933		PRINT_STATS_LE32(ht, unsupport_mcs);
 934	} else {
 935		struct mvm_statistics_rx_ht_phy *ht =
 936			&mvm->rx_stats.ofdm_ht;
 937
 938		PRINT_STATS_LE32(ht, mh_format_err);
 939		PRINT_STATS_LE32(ht, agg_mpdu_cnt);
 940		PRINT_STATS_LE32(ht, agg_cnt);
 941		PRINT_STATS_LE32(ht, unsupport_mcs);
 942	}
 943
 944	mutex_unlock(&mvm->mutex);
 945
 946	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 947	kfree(buf);
 948
 949	return ret;
 950}
 951#undef PRINT_STAT_LE32
 952
 953static ssize_t iwl_dbgfs_fw_system_stats_read(struct file *file,
 954					      char __user *user_buf,
 955					      size_t count, loff_t *ppos)
 956{
 957	char *buff, *pos, *endpos;
 958	int ret;
 959	size_t bufsz;
 960	int i;
 961	struct iwl_mvm_vif *mvmvif;
 962	struct ieee80211_vif *vif;
 963	struct iwl_mvm *mvm = file->private_data;
 964	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
 965					   WIDE_ID(SYSTEM_GROUP,
 966						   SYSTEM_STATISTICS_CMD),
 967					   IWL_FW_CMD_VER_UNKNOWN);
 968
 969	/* in case of a wrong cmd version, allocate buffer only for error msg */
 970	bufsz = (cmd_ver == 1) ? 4096 : 64;
 971
 972	buff = kzalloc(bufsz, GFP_KERNEL);
 973	if (!buff)
 974		return -ENOMEM;
 975
 976	pos = buff;
 977	endpos = pos + bufsz;
 978
 979	if (cmd_ver != 1) {
 980		pos += scnprintf(pos, endpos - pos,
 981				 "System stats not supported:%d\n", cmd_ver);
 982		goto send_out;
 983	}
 984
 985	mutex_lock(&mvm->mutex);
 986	if (iwl_mvm_firmware_running(mvm))
 987		iwl_mvm_request_statistics(mvm, false);
 988
 989	for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
 990		vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
 991		if (!vif)
 992			continue;
 993
 994		if (vif->type == NL80211_IFTYPE_STATION)
 995			break;
 996	}
 997
 998	if (i == NUM_MAC_INDEX_DRIVER || !vif) {
 999		pos += scnprintf(pos, endpos - pos, "vif is NULL\n");
1000		goto release_send_out;
1001	}
1002
1003	mvmvif = iwl_mvm_vif_from_mac80211(vif);
1004	if (!mvmvif) {
1005		pos += scnprintf(pos, endpos - pos, "mvmvif is NULL\n");
1006		goto release_send_out;
1007	}
1008
1009	for_each_mvm_vif_valid_link(mvmvif, i) {
1010		struct iwl_mvm_vif_link_info *link_info = mvmvif->link[i];
1011
1012		pos += scnprintf(pos, endpos - pos,
1013				 "link_id %d", i);
1014		pos += scnprintf(pos, endpos - pos,
1015				 " num_beacons %d",
1016				 link_info->beacon_stats.num_beacons);
1017		pos += scnprintf(pos, endpos - pos,
1018				 " accu_num_beacons %d",
1019				 link_info->beacon_stats.accu_num_beacons);
1020		pos += scnprintf(pos, endpos - pos,
1021				 " avg_signal %d\n",
1022				 link_info->beacon_stats.avg_signal);
1023	}
1024
1025	pos += scnprintf(pos, endpos - pos,
1026			 "radio_stats.rx_time %lld\n",
1027			 mvm->radio_stats.rx_time);
1028	pos += scnprintf(pos, endpos - pos,
1029			 "radio_stats.tx_time %lld\n",
1030			 mvm->radio_stats.tx_time);
1031	pos += scnprintf(pos, endpos - pos,
1032			 "accu_radio_stats.rx_time %lld\n",
1033			 mvm->accu_radio_stats.rx_time);
1034	pos += scnprintf(pos, endpos - pos,
1035			 "accu_radio_stats.tx_time %lld\n",
1036			 mvm->accu_radio_stats.tx_time);
1037
1038release_send_out:
1039	mutex_unlock(&mvm->mutex);
1040
1041send_out:
1042	ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1043	kfree(buff);
1044
1045	return ret;
1046}
1047
1048static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
1049					  char __user *user_buf, size_t count,
1050					  loff_t *ppos,
1051					  struct iwl_mvm_frame_stats *stats)
1052{
1053	char *buff, *pos, *endpos;
1054	int idx, i;
1055	int ret;
1056	static const size_t bufsz = 1024;
1057
1058	buff = kmalloc(bufsz, GFP_KERNEL);
1059	if (!buff)
1060		return -ENOMEM;
1061
1062	spin_lock_bh(&mvm->drv_stats_lock);
1063
1064	pos = buff;
1065	endpos = pos + bufsz;
1066
1067	pos += scnprintf(pos, endpos - pos,
1068			 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
1069			 stats->legacy_frames,
1070			 stats->ht_frames,
1071			 stats->vht_frames);
1072	pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
1073			 stats->bw_20_frames,
1074			 stats->bw_40_frames,
1075			 stats->bw_80_frames);
1076	pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
1077			 stats->ngi_frames,
1078			 stats->sgi_frames);
1079	pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
1080			 stats->siso_frames,
1081			 stats->mimo2_frames);
1082	pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
1083			 stats->fail_frames,
1084			 stats->success_frames);
1085	pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
1086			 stats->agg_frames);
1087	pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
1088			 stats->ampdu_count);
1089	pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
1090			 stats->ampdu_count > 0 ?
1091			 (stats->agg_frames / stats->ampdu_count) : 0);
1092
1093	pos += scnprintf(pos, endpos - pos, "Last Rates\n");
1094
1095	idx = stats->last_frame_idx - 1;
1096	for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
1097		idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
1098		if (stats->last_rates[idx] == 0)
1099			continue;
1100		pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
1101				 (int)(ARRAY_SIZE(stats->last_rates) - i));
1102		pos += rs_pretty_print_rate_v1(pos, endpos - pos,
1103					       stats->last_rates[idx]);
1104		if (pos < endpos - 1)
1105			*pos++ = '\n';
1106	}
1107	spin_unlock_bh(&mvm->drv_stats_lock);
1108
1109	ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
1110	kfree(buff);
1111
1112	return ret;
1113}
1114
1115static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
1116					   char __user *user_buf, size_t count,
1117					   loff_t *ppos)
1118{
1119	struct iwl_mvm *mvm = file->private_data;
1120
1121	return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
1122					  &mvm->drv_rx_stats);
1123}
1124
1125static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
1126					  size_t count, loff_t *ppos)
1127{
1128	int __maybe_unused ret;
1129
1130	if (!iwl_mvm_firmware_running(mvm))
1131		return -EIO;
1132
1133	mutex_lock(&mvm->mutex);
1134
1135	if (count == 6 && !strcmp(buf, "nolog\n")) {
1136		set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1137		mvm->trans->suppress_cmd_error_once = true;
1138	}
1139
1140	/* take the return value to make compiler happy - it will fail anyway */
1141	ret = iwl_mvm_send_cmd_pdu(mvm,
1142				   WIDE_ID(LONG_GROUP, REPLY_ERROR),
1143				   0, 0, NULL);
1144
1145	mutex_unlock(&mvm->mutex);
1146
1147	return count;
1148}
1149
1150static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1151				      size_t count, loff_t *ppos)
1152{
1153	if (!iwl_mvm_firmware_running(mvm))
1154		return -EIO;
1155
1156	IWL_ERR(mvm, "Triggering an NMI from debugfs\n");
1157
1158	if (count == 6 && !strcmp(buf, "nolog\n"))
1159		set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
1160
1161	iwl_force_nmi(mvm->trans);
1162
1163	return count;
1164}
1165
1166static ssize_t
1167iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1168				char __user *user_buf,
1169				size_t count, loff_t *ppos)
1170{
1171	struct iwl_mvm *mvm = file->private_data;
1172	int pos = 0;
1173	char buf[32];
1174	const size_t bufsz = sizeof(buf);
1175
1176	/* print which antennas were set for the scan command by the user */
1177	pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1178	if (mvm->scan_rx_ant & ANT_A)
1179		pos += scnprintf(buf + pos, bufsz - pos, "A");
1180	if (mvm->scan_rx_ant & ANT_B)
1181		pos += scnprintf(buf + pos, bufsz - pos, "B");
1182	pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant);
1183
1184	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1185}
1186
1187static ssize_t
1188iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1189				 size_t count, loff_t *ppos)
1190{
1191	u8 scan_rx_ant;
1192
1193	if (!iwl_mvm_firmware_running(mvm))
1194		return -EIO;
1195
1196	if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1197		return -EINVAL;
1198	if (scan_rx_ant > ANT_ABC)
1199		return -EINVAL;
1200	if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1201		return -EINVAL;
1202
1203	if (mvm->scan_rx_ant != scan_rx_ant) {
1204		mvm->scan_rx_ant = scan_rx_ant;
1205		if (fw_has_capa(&mvm->fw->ucode_capa,
1206				IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1207			iwl_mvm_config_scan(mvm);
1208	}
1209
1210	return count;
1211}
1212
1213static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1214					       char *buf, size_t count,
1215					       loff_t *ppos)
1216{
1217	struct iwl_rss_config_cmd cmd = {
1218		.flags = cpu_to_le32(IWL_RSS_ENABLE),
1219		.hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1220			     IWL_RSS_HASH_TYPE_IPV4_UDP |
1221			     IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1222			     IWL_RSS_HASH_TYPE_IPV6_TCP |
1223			     IWL_RSS_HASH_TYPE_IPV6_UDP |
1224			     IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1225	};
1226	int ret, i, num_repeats, nbytes = count / 2;
1227
1228	ret = hex2bin(cmd.indirection_table, buf, nbytes);
1229	if (ret)
1230		return ret;
1231
1232	/*
1233	 * The input is the redirection table, partial or full.
1234	 * Repeat the pattern if needed.
1235	 * For example, input of 01020F will be repeated 42 times,
1236	 * indirecting RSS hash results to queues 1, 2, 15 (skipping
1237	 * queues 3 - 14).
1238	 */
1239	num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1240	for (i = 1; i < num_repeats; i++)
1241		memcpy(&cmd.indirection_table[i * nbytes],
1242		       cmd.indirection_table, nbytes);
1243	/* handle cut in the middle pattern for the last places */
1244	memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1245	       ARRAY_SIZE(cmd.indirection_table) % nbytes);
1246
1247	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1248
1249	mutex_lock(&mvm->mutex);
1250	if (iwl_mvm_firmware_running(mvm))
1251		ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1252					   sizeof(cmd), &cmd);
1253	else
1254		ret = 0;
1255	mutex_unlock(&mvm->mutex);
1256
1257	return ret ?: count;
1258}
1259
1260static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1261					     char *buf, size_t count,
1262					     loff_t *ppos)
1263{
1264	struct iwl_op_mode *opmode = container_of((void *)mvm,
1265						  struct iwl_op_mode,
1266						  op_mode_specific);
1267	struct iwl_rx_cmd_buffer rxb = {
1268		._rx_page_order = 0,
1269		.truesize = 0, /* not used */
1270		._offset = 0,
1271	};
1272	struct iwl_rx_packet *pkt;
1273	int bin_len = count / 2;
1274	int ret = -EINVAL;
1275
1276	if (!iwl_mvm_firmware_running(mvm))
1277		return -EIO;
1278
1279	/* supporting only MQ RX */
1280	if (!mvm->trans->mac_cfg->mq_rx_supported)
1281		return -EOPNOTSUPP;
1282
1283	rxb._page = alloc_pages(GFP_ATOMIC, 0);
1284	if (!rxb._page)
1285		return -ENOMEM;
1286	pkt = rxb_addr(&rxb);
1287
1288	ret = hex2bin(page_address(rxb._page), buf, bin_len);
1289	if (ret)
1290		goto out;
1291
1292	/* avoid invalid memory access and malformed packet */
1293	if (bin_len < sizeof(*pkt) ||
1294	    bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
1295		goto out;
1296
1297	local_bh_disable();
1298	iwl_mvm_rx_mq(opmode, NULL, &rxb);
1299	local_bh_enable();
1300	ret = 0;
1301
1302out:
1303	iwl_free_rxb(&rxb);
1304
1305	return ret ?: count;
1306}
1307
1308static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1309{
1310	struct ieee80211_vif *vif;
1311	struct iwl_mvm_vif *mvmvif;
1312	struct sk_buff *beacon;
1313	struct ieee80211_tx_info *info;
1314	struct iwl_mac_beacon_cmd beacon_cmd = {};
1315	unsigned int link_id;
1316	u8 rate;
1317	int i;
1318
1319	len /= 2;
1320
1321	/* Element len should be represented by u8 */
1322	if (len >= U8_MAX)
1323		return -EINVAL;
1324
1325	if (!iwl_mvm_firmware_running(mvm))
1326		return -EIO;
1327
1328	if (!iwl_mvm_has_new_tx_api(mvm) &&
1329	    !fw_has_api(&mvm->fw->ucode_capa,
1330			IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1331		return -EINVAL;
1332
1333	mutex_lock(&mvm->mutex);
1334
1335	for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1336		vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
1337		if (!vif)
1338			continue;
1339
1340		if (vif->type == NL80211_IFTYPE_AP)
1341			break;
1342	}
1343
1344	if (i == NUM_MAC_INDEX_DRIVER || !vif)
1345		goto out_err;
1346
1347	mvm->hw->extra_beacon_tailroom = len;
1348
1349	beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0);
1350	if (!beacon)
1351		goto out_err;
1352
1353	if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1354		dev_kfree_skb(beacon);
1355		goto out_err;
1356	}
1357
1358	mvm->beacon_inject_active = true;
1359
1360	mvmvif = iwl_mvm_vif_from_mac80211(vif);
1361	info = IEEE80211_SKB_CB(beacon);
1362	rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif);
1363
1364	for_each_mvm_vif_valid_link(mvmvif, link_id) {
1365		beacon_cmd.flags =
1366			cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw,
1367								      rate));
1368		beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1369		if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12)
1370			beacon_cmd.link_id =
1371				cpu_to_le32(mvmvif->link[link_id]->fw_link_id);
1372		else
1373			beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id);
1374
1375		iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1376					 &beacon_cmd.tim_size,
1377					 beacon->data, beacon->len);
1378
1379		if (iwl_fw_lookup_cmd_ver(mvm->fw,
1380					  BEACON_TEMPLATE_CMD, 0) >= 14) {
1381			u32 offset = iwl_find_ie_offset(beacon->data,
1382							WLAN_EID_S1G_TWT,
1383							beacon->len);
1384
1385			beacon_cmd.btwt_offset = cpu_to_le32(offset);
1386		}
1387
1388		iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1389						 sizeof(beacon_cmd));
1390	}
1391	mutex_unlock(&mvm->mutex);
1392
1393	dev_kfree_skb(beacon);
1394
1395	return 0;
1396
1397out_err:
1398	mutex_unlock(&mvm->mutex);
1399	return -EINVAL;
1400}
1401
1402static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1403						char *buf, size_t count,
1404						loff_t *ppos)
1405{
1406	int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1407
1408	mvm->hw->extra_beacon_tailroom = 0;
1409	return ret ?: count;
1410}
1411
1412static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1413							char *buf,
1414							size_t count,
1415							loff_t *ppos)
1416{
1417	int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1418
1419	mvm->hw->extra_beacon_tailroom = 0;
1420	mvm->beacon_inject_active = false;
1421	return ret ?: count;
1422}
1423
1424static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1425					  char __user *user_buf,
1426					  size_t count, loff_t *ppos)
1427{
1428	struct iwl_mvm *mvm = file->private_data;
1429	int conf;
1430	char buf[8];
1431	const size_t bufsz = sizeof(buf);
1432	int pos = 0;
1433
1434	mutex_lock(&mvm->mutex);
1435	conf = mvm->fwrt.dump.conf;
1436	mutex_unlock(&mvm->mutex);
1437
1438	pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1439
1440	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1441}
1442
1443static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1444					   char *buf, size_t count,
1445					   loff_t *ppos)
1446{
1447	unsigned int conf_id;
1448	int ret;
1449
1450	if (!iwl_mvm_firmware_running(mvm))
1451		return -EIO;
1452
1453	ret = kstrtouint(buf, 0, &conf_id);
1454	if (ret)
1455		return ret;
1456
1457	if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1458		return -EINVAL;
1459
1460	mutex_lock(&mvm->mutex);
1461	ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1462	mutex_unlock(&mvm->mutex);
1463
1464	return ret ?: count;
1465}
1466
1467static ssize_t iwl_dbgfs_fw_dbg_clear_write(struct iwl_mvm *mvm,
1468					    char *buf, size_t count,
1469					    loff_t *ppos)
1470{
1471	if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_9000)
1472		return -EOPNOTSUPP;
1473
1474	/*
1475	 * If the firmware is not running, silently succeed since there is
1476	 * no data to clear.
1477	 */
1478	if (!iwl_mvm_firmware_running(mvm))
1479		return count;
1480
1481	mutex_lock(&mvm->mutex);
1482	iwl_fw_dbg_clear_monitor_buf(&mvm->fwrt);
1483	mutex_unlock(&mvm->mutex);
1484
1485	return count;
1486}
1487
1488static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
1489					      char *buf, size_t count,
1490					      loff_t *ppos)
1491{
1492	u32 timepoint;
1493
1494	if (kstrtou32(buf, 0, &timepoint))
1495		return -EINVAL;
1496
1497	if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
1498	    timepoint >= IWL_FW_INI_TIME_POINT_NUM)
1499		return -EINVAL;
1500
1501	iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
1502
1503	return count;
1504}
1505
1506#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1507	_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1508#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1509	_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1510#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do {	\
1511		debugfs_create_file(alias, mode, parent, mvm,		\
1512				    &iwl_dbgfs_##name##_ops);		\
1513	} while (0)
1514#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1515	MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1516
1517static ssize_t
1518_iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *,
1519					       struct iwl_mvm_sta *,
1520					       struct iwl_mvm *,
1521					       struct iwl_mvm_link_sta *,
1522					       char *,
1523					       size_t, loff_t *),
1524			   struct file *file,
1525			   char *buf, size_t buf_size, loff_t *ppos)
1526{
1527	struct ieee80211_link_sta *link_sta = file->private_data;
1528	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1529	struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1530	struct iwl_mvm_link_sta *mvm_link_sta;
1531	ssize_t ret;
1532
1533	mutex_lock(&mvm->mutex);
1534
1535	mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1536						 lockdep_is_held(&mvm->mutex));
1537	if (WARN_ON(!mvm_link_sta)) {
1538		mutex_unlock(&mvm->mutex);
1539		return -ENODEV;
1540	}
1541
1542	ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos);
1543
1544	mutex_unlock(&mvm->mutex);
1545
1546	return ret;
1547}
1548
1549static ssize_t
1550_iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *,
1551					      struct iwl_mvm_sta *,
1552					      struct iwl_mvm *,
1553					      struct iwl_mvm_link_sta *,
1554					      char __user *,
1555					      size_t, loff_t *),
1556			   struct file *file,
1557			   char __user *user_buf, size_t count, loff_t *ppos)
1558{
1559	struct ieee80211_link_sta *link_sta = file->private_data;
1560	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
1561	struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
1562	struct iwl_mvm_link_sta *mvm_link_sta;
1563	ssize_t ret;
1564
1565	mutex_lock(&mvm->mutex);
1566
1567	mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
1568						 lockdep_is_held(&mvm->mutex));
1569	if (WARN_ON(!mvm_link_sta)) {
1570		mutex_unlock(&mvm->mutex);
1571		return -ENODEV;
1572	}
1573
1574	ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos);
1575
1576	mutex_unlock(&mvm->mutex);
1577
1578	return ret;
1579}
1580
1581#define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen)		\
1582static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file,	\
1583					 const char __user *user_buf,	\
1584					 size_t count, loff_t *ppos)	\
1585{									\
1586	char buf[buflen] = {};						\
1587	size_t buf_size = min(count, sizeof(buf) -  1);			\
1588									\
1589	if (copy_from_user(buf, user_buf, buf_size))			\
1590		return -EFAULT;						\
1591									\
1592	return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write,	\
1593					      file,			\
1594					      buf, buf_size, ppos);	\
1595}									\
1596
1597#define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)		\
1598static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file,	\
1599					 char __user *user_buf,		\
1600					 size_t count, loff_t *ppos)	\
1601{									\
1602	return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read,	\
1603					     file,			\
1604					     user_buf, count, ppos);	\
1605}									\
1606
1607#define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz)		\
1608MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz)				\
1609static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = {	\
1610	.write = _iwl_dbgfs_link_sta_##name##_write,			\
1611	.open = simple_open,						\
1612	.llseek = generic_file_llseek,					\
1613}
1614
1615#define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name)			\
1616MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)					\
1617static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = {	\
1618	.read = _iwl_dbgfs_link_sta_##name##_read,			\
1619	.open = simple_open,						\
1620	.llseek = generic_file_llseek,					\
1621}
1622
1623#define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz)		\
1624MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)					\
1625MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz)				\
1626static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = {	\
1627	.read = _iwl_dbgfs_link_sta_##name##_read,			\
1628	.write = _iwl_dbgfs_link_sta_##name##_write,			\
1629	.open = simple_open,						\
1630	.llseek = generic_file_llseek,					\
1631}
1632
1633#define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode)	\
1634		debugfs_create_file(alias, mode, parent, link_sta,	\
1635				    &iwl_dbgfs_link_sta_##name##_ops)
1636#define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \
1637	MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode)
1638
1639static ssize_t
1640iwl_dbgfs_prph_reg_read(struct file *file,
1641			char __user *user_buf,
1642			size_t count, loff_t *ppos)
1643{
1644	struct iwl_mvm *mvm = file->private_data;
1645	int pos = 0;
1646	char buf[32];
1647	const size_t bufsz = sizeof(buf);
1648
1649	if (!mvm->dbgfs_prph_reg_addr)
1650		return -EINVAL;
1651
1652	pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1653		mvm->dbgfs_prph_reg_addr,
1654		iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1655
1656	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1657}
1658
1659static ssize_t
1660iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1661			 size_t count, loff_t *ppos)
1662{
1663	u8 args;
1664	u32 value;
1665
1666	args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1667	/* if we only want to set the reg address - nothing more to do */
1668	if (args == 1)
1669		goto out;
1670
1671	/* otherwise, make sure we have both address and value */
1672	if (args != 2)
1673		return -EINVAL;
1674
1675	iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1676
1677out:
1678	return count;
1679}
1680
1681static ssize_t
1682iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1683			      size_t count, loff_t *ppos)
1684{
1685	int ret;
1686
1687	if (!iwl_mvm_firmware_running(mvm))
1688		return -EIO;
1689
1690	mutex_lock(&mvm->mutex);
1691	ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1692	mutex_unlock(&mvm->mutex);
1693
1694	return ret ?: count;
1695}
1696
1697struct iwl_mvm_sniffer_apply {
1698	struct iwl_mvm *mvm;
1699	u8 *bssid;
1700	u16 aid;
1701};
1702
1703static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1704				  struct iwl_rx_packet *pkt, void *data)
1705{
1706	struct iwl_mvm_sniffer_apply *apply = data;
1707
1708	apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1709	memcpy(apply->mvm->cur_bssid, apply->bssid,
1710	       sizeof(apply->mvm->cur_bssid));
1711
1712	return true;
1713}
1714
1715static ssize_t
1716iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1717				  size_t count, loff_t *ppos)
1718{
1719	struct iwl_notification_wait wait;
1720	struct iwl_he_monitor_cmd he_mon_cmd = {};
1721	struct iwl_mvm_sniffer_apply apply = {
1722		.mvm = mvm,
1723	};
1724	u16 wait_cmds[] = {
1725		WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1726	};
1727	u32 aid;
1728	int ret;
1729
1730	if (!iwl_mvm_firmware_running(mvm))
1731		return -EIO;
1732
1733	ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1734		     &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1735		     &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1736		     &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1737	if (ret != 7)
1738		return -EINVAL;
1739
1740	he_mon_cmd.aid = cpu_to_le16(aid);
1741
1742	apply.aid = aid;
1743	apply.bssid = (void *)he_mon_cmd.bssid;
1744
1745	mutex_lock(&mvm->mutex);
1746
1747	/*
1748	 * Use the notification waiter to get our function triggered
1749	 * in sequence with other RX. This ensures that frames we get
1750	 * on the RX queue _before_ the new configuration is applied
1751	 * still have mvm->cur_aid pointing to the old AID, and that
1752	 * frames on the RX queue _after_ the firmware processed the
1753	 * new configuration (and sent the response, synchronously)
1754	 * get mvm->cur_aid correctly set to the new AID.
1755	 */
1756	iwl_init_notification_wait(&mvm->notif_wait, &wait,
1757				   wait_cmds, ARRAY_SIZE(wait_cmds),
1758				   iwl_mvm_sniffer_apply, &apply);
1759
1760	ret = iwl_mvm_send_cmd_pdu(mvm,
1761				   WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
1762				   0,
1763				   sizeof(he_mon_cmd), &he_mon_cmd);
1764
1765	/* no need to really wait, we already did anyway */
1766	iwl_remove_notification(&mvm->notif_wait, &wait);
1767
1768	mutex_unlock(&mvm->mutex);
1769
1770	return ret ?: count;
1771}
1772
1773static ssize_t
1774iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1775				 size_t count, loff_t *ppos)
1776{
1777	struct iwl_mvm *mvm = file->private_data;
1778	u8 buf[32];
1779	int len;
1780
1781	len = scnprintf(buf, sizeof(buf),
1782			"%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1783			le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1784			mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1785			mvm->cur_bssid[4], mvm->cur_bssid[5]);
1786
1787	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1788}
1789
1790static ssize_t
1791iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1792				  size_t count, loff_t *ppos)
1793{
1794	struct iwl_mvm *mvm = file->private_data;
1795	u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1796	unsigned int pos = 0;
1797	size_t bufsz = sizeof(buf);
1798	int i;
1799
1800	mutex_lock(&mvm->mutex);
1801
1802	for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1803		pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1804				 mvm->uapsd_noagg_bssids[i].addr);
1805
1806	mutex_unlock(&mvm->mutex);
1807
1808	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1809}
1810
1811static ssize_t
1812iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
1813			   char *buf, size_t count, loff_t *ppos)
1814{
1815	int ret;
1816	struct iwl_ltr_config_cmd ltr_config = {0};
1817
1818	if (!iwl_mvm_firmware_running(mvm))
1819		return -EIO;
1820
1821	if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
1822		   &ltr_config.flags,
1823		   &ltr_config.static_long,
1824		   &ltr_config.static_short,
1825		   &ltr_config.ltr_cfg_values[0],
1826		   &ltr_config.ltr_cfg_values[1],
1827		   &ltr_config.ltr_cfg_values[2],
1828		   &ltr_config.ltr_cfg_values[3]) != 7) {
1829		return -EINVAL;
1830	}
1831
1832	mutex_lock(&mvm->mutex);
1833	ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
1834				   &ltr_config);
1835	mutex_unlock(&mvm->mutex);
1836
1837	if (ret)
1838		IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
1839
1840	return ret ?: count;
1841}
1842
1843static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
1844					      size_t count, loff_t *ppos)
1845{
1846	int ret = 0;
1847	u16 op_id;
1848
1849	if (kstrtou16(buf, 10, &op_id))
1850		return -EINVAL;
1851
1852	/* value zero triggers re-sending the default table to the device */
1853	if (!op_id) {
1854		mutex_lock(&mvm->mutex);
1855		ret = iwl_rfi_send_config_cmd(mvm, NULL);
1856		mutex_unlock(&mvm->mutex);
1857	} else {
1858		ret = -EOPNOTSUPP; /* in the future a new table will be added */
1859	}
1860
1861	return ret ?: count;
1862}
1863
1864/* The size computation is as follows:
1865 * each number needs at most 3 characters, number of rows is the size of
1866 * the table; So, need 5 chars for the "freq: " part and each tuple afterwards
1867 * needs 6 characters for numbers and 5 for the punctuation around.
1868 */
1869#define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
1870				(5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
1871
1872static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
1873					     char __user *user_buf,
1874					     size_t count, loff_t *ppos)
1875{
1876	struct iwl_mvm *mvm = file->private_data;
1877	struct iwl_rfi_freq_table_resp_cmd *resp;
1878	u32 status;
1879	char buf[IWL_RFI_BUF_SIZE];
1880	int i, j, pos = 0;
1881
1882	resp = iwl_rfi_get_freq_table(mvm);
1883	if (IS_ERR(resp))
1884		return PTR_ERR(resp);
1885
1886	status = le32_to_cpu(resp->status);
1887	if (status != RFI_FREQ_TABLE_OK) {
1888		scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
1889		goto out;
1890	}
1891
1892	for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
1893		pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
1894				 resp->table[i].freq);
1895
1896		for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
1897			pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
1898					 "(%d, %d) ",
1899					 resp->table[i].channels[j],
1900					 resp->table[i].bands[j]);
1901		pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
1902	}
1903
1904out:
1905	kfree(resp);
1906	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1907}
1908
1909MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1910
1911/* Device wide debugfs entries */
1912MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1913MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1914MVM_DEBUGFS_WRITE_FILE_OPS(start_ctdp, 8);
1915MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1916MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1917MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1918MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1919MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1920MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1921MVM_DEBUGFS_READ_FILE_OPS(stations);
1922MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data);
1923MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1924MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1925MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1926MVM_DEBUGFS_READ_FILE_OPS(fw_system_stats);
1927MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
1928MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
1929MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1930MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1931MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1932MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1933MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_clear, 64);
1934MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
1935MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1936			   (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1937MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1938MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1939MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1940
1941MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1942
1943#ifdef CONFIG_ACPI
1944MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1945MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable);
1946#endif
1947
1948MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16);
1949
1950MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1951
1952MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
1953MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
1954
1955static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1956				  size_t count, loff_t *ppos)
1957{
1958	struct iwl_mvm *mvm = file->private_data;
1959	struct iwl_dbg_mem_access_cmd cmd = {};
1960	struct iwl_dbg_mem_access_rsp *rsp;
1961	struct iwl_host_cmd hcmd = {
1962		.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1963		.data = { &cmd, },
1964		.len = { sizeof(cmd) },
1965	};
1966	size_t delta;
1967	ssize_t ret, len;
1968
1969	if (!iwl_mvm_firmware_running(mvm))
1970		return -EIO;
1971
1972	hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
1973	cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1974
1975	/* Take care of alignment of both the position and the length */
1976	delta = *ppos & 0x3;
1977	cmd.addr = cpu_to_le32(*ppos - delta);
1978	cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1979				  (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1980
1981	mutex_lock(&mvm->mutex);
1982	ret = iwl_mvm_send_cmd(mvm, &hcmd);
1983	mutex_unlock(&mvm->mutex);
1984
1985	if (ret < 0)
1986		return ret;
1987
1988	if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
1989		ret = -EIO;
1990		goto out;
1991	}
1992
1993	rsp = (void *)hcmd.resp_pkt->data;
1994	if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1995		ret = -ENXIO;
1996		goto out;
1997	}
1998
1999	len = min((size_t)le32_to_cpu(rsp->len) << 2,
2000		  iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
2001	len = min(len - delta, count);
2002	if (len < 0) {
2003		ret = -EFAULT;
2004		goto out;
2005	}
2006
2007	ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len);
2008	*ppos += ret;
2009
2010out:
2011	iwl_free_resp(&hcmd);
2012	return ret;
2013}
2014
2015static ssize_t iwl_dbgfs_mem_write(struct file *file,
2016				   const char __user *user_buf, size_t count,
2017				   loff_t *ppos)
2018{
2019	struct iwl_mvm *mvm = file->private_data;
2020	struct iwl_dbg_mem_access_cmd *cmd;
2021	struct iwl_dbg_mem_access_rsp *rsp;
2022	struct iwl_host_cmd hcmd = {};
2023	size_t cmd_size;
2024	size_t data_size;
2025	u32 op, len;
2026	ssize_t ret;
2027
2028	if (!iwl_mvm_firmware_running(mvm))
2029		return -EIO;
2030
2031	hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
2032
2033	if (*ppos & 0x3 || count < 4) {
2034		op = DEBUG_MEM_OP_WRITE_BYTES;
2035		len = min(count, (size_t)(4 - (*ppos & 0x3)));
2036		data_size = len;
2037	} else {
2038		op = DEBUG_MEM_OP_WRITE;
2039		len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
2040		data_size = len << 2;
2041	}
2042
2043	cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
2044	cmd = kzalloc(cmd_size, GFP_KERNEL);
2045	if (!cmd)
2046		return -ENOMEM;
2047
2048	cmd->op = cpu_to_le32(op);
2049	cmd->len = cpu_to_le32(len);
2050	cmd->addr = cpu_to_le32(*ppos);
2051	if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
2052		kfree(cmd);
2053		return -EFAULT;
2054	}
2055
2056	hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2057	hcmd.data[0] = (void *)cmd;
2058	hcmd.len[0] = cmd_size;
2059
2060	mutex_lock(&mvm->mutex);
2061	ret = iwl_mvm_send_cmd(mvm, &hcmd);
2062	mutex_unlock(&mvm->mutex);
2063
2064	kfree(cmd);
2065
2066	if (ret < 0)
2067		return ret;
2068
2069	if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
2070		ret = -EIO;
2071		goto out;
2072	}
2073
2074	rsp = (void *)hcmd.resp_pkt->data;
2075	if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2076		ret = -ENXIO;
2077		goto out;
2078	}
2079
2080	ret = data_size;
2081	*ppos += ret;
2082
2083out:
2084	iwl_free_resp(&hcmd);
2085	return ret;
2086}
2087
2088static const struct file_operations iwl_dbgfs_mem_ops = {
2089	.read = iwl_dbgfs_mem_read,
2090	.write = iwl_dbgfs_mem_write,
2091	.open = simple_open,
2092	.llseek = default_llseek,
2093};
2094
2095void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw,
2096				  struct ieee80211_vif *vif,
2097				  struct ieee80211_link_sta *link_sta,
2098				  struct dentry *dir)
2099{
2100	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2101
2102	if (iwl_mvm_has_tlc_offload(mvm)) {
2103		MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400);
2104	}
2105
2106	MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600);
2107}
2108
2109void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
2110{
2111	struct dentry *bcast_dir __maybe_unused;
2112
2113	spin_lock_init(&mvm->drv_stats_lock);
2114
2115	MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2116	MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2117	MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2118	MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
2119	MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
2120	MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
2121	MVM_DEBUGFS_ADD_FILE(start_ctdp, mvm->debugfs_dir, 0200);
2122	MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
2123	MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
2124	MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2125	MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2126	MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2127	MVM_DEBUGFS_ADD_FILE(fw_system_stats, mvm->debugfs_dir, 0400);
2128	MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2129	MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2130	MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2131	MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2132	MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2133	MVM_DEBUGFS_ADD_FILE(fw_dbg_clear, mvm->debugfs_dir, 0200);
2134	MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
2135	MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2136	MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2137	MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2138	MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2139	MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2140	MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
2141
2142	if (mvm->fw->phy_integration_ver)
2143		MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
2144	MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
2145#ifdef CONFIG_ACPI
2146	MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
2147	MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400);
2148#endif
2149	MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2150
2151	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
2152		MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
2153
2154	debugfs_create_bool("enable_scan_iteration_notif", 0600,
2155			    mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
2156	debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
2157			    &mvm->drop_bcn_ap_mode);
2158
2159	MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2160
2161#ifdef CONFIG_PM_SLEEP
2162	debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
2163			    &mvm->d3_wake_sysassert);
2164	debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
2165			   &mvm->last_netdetect_scans);
2166#endif
2167
2168	debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
2169			  &mvm->ps_disabled);
2170	debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
2171			    &mvm->nvm_hw_blob);
2172	debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
2173			    &mvm->nvm_sw_blob);
2174	debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
2175			    &mvm->nvm_calib_blob);
2176	debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
2177			    &mvm->nvm_prod_blob);
2178	debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
2179			    &mvm->nvm_phy_sku_blob);
2180	debugfs_create_blob("nvm_reg", S_IRUSR,
2181			    mvm->debugfs_dir, &mvm->nvm_reg_blob);
2182
2183	debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
2184			    &iwl_dbgfs_mem_ops);
2185
2186	debugfs_create_bool("rx_ts_ptp", 0600, mvm->debugfs_dir,
2187			    &mvm->rx_ts_ptp);
2188
2189	/*
2190	 * Create a symlink with mac80211. It will be removed when mac80211
2191	 * exists (before the opmode exists which removes the target.)
2192	 */
2193	if (!IS_ERR(mvm->debugfs_dir)) {
2194		char buf[100];
2195
2196		snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
2197		debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir,
2198				       buf);
2199	}
2200}