1// SPDX-License-Identifier: ISC
   2/*
   3 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
   4 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
 
 
 
 
 
 
 
 
 
 
 
   5 */
   6
   7#include <linux/module.h>
   8#include <linux/debugfs.h>
   9#include <linux/seq_file.h>
  10#include <linux/pci.h>
  11#include <linux/rtnetlink.h>
  12#include <linux/power_supply.h>
 
  13#include "wil6210.h"
  14#include "wmi.h"
  15#include "txrx.h"
  16#include "pmc.h"
  17
  18/* Nasty hack. Better have per device instances */
  19static u32 mem_addr;
  20static u32 dbg_txdesc_index;
  21static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */
  22static u32 dbg_status_msg_index;
  23/* 0..wil->num_rx_status_rings-1 for Rx, wil->tx_sring_idx for Tx */
  24static u32 dbg_sring_index;
  25
  26enum dbg_off_type {
  27	doff_u32 = 0,
  28	doff_x32 = 1,
  29	doff_ulong = 2,
  30	doff_io32 = 3,
  31	doff_u8 = 4
  32};
  33
  34/* offset to "wil" */
  35struct dbg_off {
  36	const char *name;
  37	umode_t mode;
  38	ulong off;
  39	enum dbg_off_type type;
  40};
  41
  42static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil,
  43				struct wil_ring *ring,
  44				char _s, char _h, int idx)
  45{
  46	u8 num_of_descs;
  47	bool has_skb = false;
  48
  49	if (ring->is_rx) {
  50		struct wil_rx_enhanced_desc *rx_d =
  51			(struct wil_rx_enhanced_desc *)
  52			&ring->va[idx].rx.enhanced;
  53		u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
  54
  55		if (wil->rx_buff_mgmt.buff_arr &&
  56		    wil_val_in_range(buff_id, 0, wil->rx_buff_mgmt.size))
  57			has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
  58		seq_printf(s, "%c", (has_skb) ? _h : _s);
  59	} else {
  60		struct wil_tx_enhanced_desc *d =
  61			(struct wil_tx_enhanced_desc *)
  62			&ring->va[idx].tx.enhanced;
  63
  64		num_of_descs = (u8)d->mac.d[2];
  65		has_skb = ring->ctx && ring->ctx[idx].skb;
  66		if (num_of_descs >= 1)
  67			seq_printf(s, "%c", has_skb ? _h : _s);
  68		else
  69			/* num_of_descs == 0, it's a frag in a list of descs */
  70			seq_printf(s, "%c", has_skb ? 'h' : _s);
  71	}
  72}
  73
  74static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil,
  75			   const char *name, struct wil_ring *ring,
  76			   char _s, char _h)
  77{
  78	void __iomem *x;
  79	u32 v;
  80
  81	seq_printf(s, "RING %s = {\n", name);
  82	seq_printf(s, "  pa     = %pad\n", &ring->pa);
  83	seq_printf(s, "  va     = 0x%p\n", ring->va);
  84	seq_printf(s, "  size   = %d\n", ring->size);
  85	if (wil->use_enhanced_dma_hw && ring->is_rx)
  86		seq_printf(s, "  swtail = %u\n", *ring->edma_rx_swtail.va);
  87	else
  88		seq_printf(s, "  swtail = %d\n", ring->swtail);
  89	seq_printf(s, "  swhead = %d\n", ring->swhead);
  90	if (wil->use_enhanced_dma_hw) {
  91		int ring_id = ring->is_rx ?
  92			WIL_RX_DESC_RING_ID : ring - wil->ring_tx;
  93		/* SUBQ_CONS is a table of 32 entries, one for each Q pair.
  94		 * lower 16bits are for even ring_id and upper 16bits are for
  95		 * odd ring_id
  96		 */
  97		x = wmi_addr(wil, RGF_DMA_SCM_SUBQ_CONS + 4 * (ring_id / 2));
  98		v = readl_relaxed(x);
  99
 100		v = (ring_id % 2 ? (v >> 16) : (v & 0xffff));
 101		seq_printf(s, "  hwhead = %u\n", v);
 102	}
 103	seq_printf(s, "  hwtail = [0x%08x] -> ", ring->hwtail);
 104	x = wmi_addr(wil, ring->hwtail);
 105	if (x) {
 106		v = readl(x);
 107		seq_printf(s, "0x%08x = %d\n", v, v);
 108	} else {
 109		seq_puts(s, "???\n");
 110	}
 111
 112	if (ring->va && (ring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
 113		uint i;
 114
 115		for (i = 0; i < ring->size; i++) {
 116			if ((i % 128) == 0 && i != 0)
 
 
 117				seq_puts(s, "\n");
 118			if (wil->use_enhanced_dma_hw) {
 119				wil_print_desc_edma(s, wil, ring, _s, _h, i);
 120			} else {
 121				volatile struct vring_tx_desc *d =
 122					&ring->va[i].tx.legacy;
 123				seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
 124					   _s : (ring->ctx[i].skb ? _h : 'h'));
 125			}
 126		}
 127		seq_puts(s, "\n");
 128	}
 129	seq_puts(s, "}\n");
 130}
 131
 132static int ring_show(struct seq_file *s, void *data)
 133{
 134	uint i;
 135	struct wil6210_priv *wil = s->private;
 136
 137	wil_print_ring(s, wil, "rx", &wil->ring_rx, 'S', '_');
 138
 139	for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) {
 140		struct wil_ring *ring = &wil->ring_tx[i];
 141		struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i];
 142
 143		if (ring->va) {
 144			int cid = wil->ring2cid_tid[i][0];
 145			int tid = wil->ring2cid_tid[i][1];
 146			u32 swhead = ring->swhead;
 147			u32 swtail = ring->swtail;
 148			int used = (ring->size + swhead - swtail)
 149				   % ring->size;
 150			int avail = ring->size - used - 1;
 151			char name[10];
 152			char sidle[10];
 153			/* performance monitoring */
 154			cycles_t now = get_cycles();
 155			uint64_t idle = txdata->idle * 100;
 156			uint64_t total = now - txdata->begin;
 157
 158			if (total != 0) {
 159				do_div(idle, total);
 160				snprintf(sidle, sizeof(sidle), "%3d%%",
 161					 (int)idle);
 162			} else {
 163				snprintf(sidle, sizeof(sidle), "N/A");
 164			}
 165			txdata->begin = now;
 166			txdata->idle = 0ULL;
 167
 168			snprintf(name, sizeof(name), "tx_%2d", i);
 169
 170			if (cid < wil->max_assoc_sta)
 171				seq_printf(s,
 172					   "\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
 173					   wil->sta[cid].addr, cid, tid,
 174					   txdata->dot1x_open ? "+" : "-",
 175					   txdata->agg_wsize,
 176					   txdata->agg_timeout,
 177					   txdata->agg_amsdu ? "+" : "-",
 178					   used, avail, sidle);
 179			else
 180				seq_printf(s,
 181					   "\nBroadcast 1x%s [%3d|%3d] idle %s\n",
 182					   txdata->dot1x_open ? "+" : "-",
 183					   used, avail, sidle);
 184
 185			wil_print_ring(s, wil, name, ring, '_', 'H');
 186		}
 187	}
 188
 189	return 0;
 190}
 191DEFINE_SHOW_ATTRIBUTE(ring);
 192
 193static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
 194			    struct wil_status_ring *sring)
 195{
 196	void __iomem *x;
 197	int sring_idx = sring - wil->srings;
 198	u32 v;
 199
 200	seq_printf(s, "Status Ring %s [ %d ] = {\n",
 201		   sring->is_rx ? "RX" : "TX", sring_idx);
 202	seq_printf(s, "  pa     = %pad\n", &sring->pa);
 203	seq_printf(s, "  va     = 0x%pK\n", sring->va);
 204	seq_printf(s, "  size   = %d\n", sring->size);
 205	seq_printf(s, "  elem_size   = %zu\n", sring->elem_size);
 206	seq_printf(s, "  swhead = %d\n", sring->swhead);
 207	if (wil->use_enhanced_dma_hw) {
 208		/* COMPQ_PROD is a table of 32 entries, one for each Q pair.
 209		 * lower 16bits are for even ring_id and upper 16bits are for
 210		 * odd ring_id
 211		 */
 212		x = wmi_addr(wil, RGF_DMA_SCM_COMPQ_PROD + 4 * (sring_idx / 2));
 213		v = readl_relaxed(x);
 214
 215		v = (sring_idx % 2 ? (v >> 16) : (v & 0xffff));
 216		seq_printf(s, "  hwhead = %u\n", v);
 217	}
 218	seq_printf(s, "  hwtail = [0x%08x] -> ", sring->hwtail);
 219	x = wmi_addr(wil, sring->hwtail);
 220	if (x) {
 221		v = readl_relaxed(x);
 222		seq_printf(s, "0x%08x = %d\n", v, v);
 223	} else {
 224		seq_puts(s, "???\n");
 225	}
 226	seq_printf(s, "  desc_rdy_pol   = %d\n", sring->desc_rdy_pol);
 227	seq_printf(s, "  invalid_buff_id_cnt   = %d\n",
 228		   sring->invalid_buff_id_cnt);
 229
 230	if (sring->va && (sring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
 231		uint i;
 232
 233		for (i = 0; i < sring->size; i++) {
 234			u32 *sdword_0 =
 235				(u32 *)(sring->va + (sring->elem_size * i));
 236
 237			if ((i % 128) == 0 && i != 0)
 238				seq_puts(s, "\n");
 239			if (i == sring->swhead)
 240				seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
 241					   'X' : 'x');
 242			else
 243				seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
 244					   '1' : '0');
 245		}
 246		seq_puts(s, "\n");
 247	}
 248	seq_puts(s, "}\n");
 249}
 250
 251static int srings_show(struct seq_file *s, void *data)
 252{
 253	struct wil6210_priv *wil = s->private;
 254	int i = 0;
 255
 256	for (i = 0; i < WIL6210_MAX_STATUS_RINGS; i++)
 257		if (wil->srings[i].va)
 258			wil_print_sring(s, wil, &wil->srings[i]);
 259
 260	return 0;
 261}
 262DEFINE_SHOW_ATTRIBUTE(srings);
 263
 264static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
 265			    const char *prefix)
 266{
 267	seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false);
 268}
 269
 270static void wil_print_mbox_ring(struct seq_file *s, const char *prefix,
 271				void __iomem *off)
 272{
 273	struct wil6210_priv *wil = s->private;
 274	struct wil6210_mbox_ring r;
 275	int rsize;
 276	uint i;
 277
 278	wil_halp_vote(wil);
 279
 280	if (wil_mem_access_lock(wil)) {
 281		wil_halp_unvote(wil);
 282		return;
 283	}
 284
 285	wil_memcpy_fromio_32(&r, off, sizeof(r));
 286	wil_mbox_ring_le2cpus(&r);
 287	/*
 288	 * we just read memory block from NIC. This memory may be
 289	 * garbage. Check validity before using it.
 290	 */
 291	rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
 292
 293	seq_printf(s, "ring %s = {\n", prefix);
 294	seq_printf(s, "  base = 0x%08x\n", r.base);
 295	seq_printf(s, "  size = 0x%04x bytes -> %d entries\n", r.size, rsize);
 296	seq_printf(s, "  tail = 0x%08x\n", r.tail);
 297	seq_printf(s, "  head = 0x%08x\n", r.head);
 298	seq_printf(s, "  entry size = %d\n", r.entry_size);
 299
 300	if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
 301		seq_printf(s, "  ??? size is not multiple of %zd, garbage?\n",
 302			   sizeof(struct wil6210_mbox_ring_desc));
 303		goto out;
 304	}
 305
 306	if (!wmi_addr(wil, r.base) ||
 307	    !wmi_addr(wil, r.tail) ||
 308	    !wmi_addr(wil, r.head)) {
 309		seq_puts(s, "  ??? pointers are garbage?\n");
 310		goto out;
 311	}
 312
 313	for (i = 0; i < rsize; i++) {
 314		struct wil6210_mbox_ring_desc d;
 315		struct wil6210_mbox_hdr hdr;
 316		size_t delta = i * sizeof(d);
 317		void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
 318
 319		wil_memcpy_fromio_32(&d, x, sizeof(d));
 320
 321		seq_printf(s, "  [%2x] %s %s%s 0x%08x", i,
 322			   d.sync ? "F" : "E",
 323			   (r.tail - r.base == delta) ? "t" : " ",
 324			   (r.head - r.base == delta) ? "h" : " ",
 325			   le32_to_cpu(d.addr));
 326		if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
 327			u16 len = le16_to_cpu(hdr.len);
 328
 329			seq_printf(s, " -> %04x %04x %04x %02x\n",
 330				   le16_to_cpu(hdr.seq), len,
 331				   le16_to_cpu(hdr.type), hdr.flags);
 332			if (len <= MAX_MBOXITEM_SIZE) {
 333				unsigned char databuf[MAX_MBOXITEM_SIZE];
 334				void __iomem *src = wmi_buffer(wil, d.addr) +
 335					sizeof(struct wil6210_mbox_hdr);
 336				/*
 337				 * No need to check @src for validity -
 338				 * we already validated @d.addr while
 339				 * reading header
 340				 */
 341				wil_memcpy_fromio_32(databuf, src, len);
 342				wil_seq_hexdump(s, databuf, len, "      : ");
 343			}
 344		} else {
 345			seq_puts(s, "\n");
 346		}
 347	}
 348 out:
 349	seq_puts(s, "}\n");
 350	wil_mem_access_unlock(wil);
 351	wil_halp_unvote(wil);
 352}
 353
 354static int mbox_show(struct seq_file *s, void *data)
 355{
 356	struct wil6210_priv *wil = s->private;
 357	int ret;
 358
 359	ret = wil_pm_runtime_get(wil);
 360	if (ret < 0)
 361		return ret;
 362
 363	wil_print_mbox_ring(s, "tx", wil->csr + HOST_MBOX +
 364		       offsetof(struct wil6210_mbox_ctl, tx));
 365	wil_print_mbox_ring(s, "rx", wil->csr + HOST_MBOX +
 366		       offsetof(struct wil6210_mbox_ctl, rx));
 367
 368	wil_pm_runtime_put(wil);
 369
 370	return 0;
 371}
 372DEFINE_SHOW_ATTRIBUTE(mbox);
 373
 374static int wil_debugfs_iomem_x32_set(void *data, u64 val)
 375{
 376	struct wil_debugfs_iomem_data *d = (struct
 377					    wil_debugfs_iomem_data *)data;
 378	struct wil6210_priv *wil = d->wil;
 379	int ret;
 380
 381	ret = wil_pm_runtime_get(wil);
 382	if (ret < 0)
 383		return ret;
 384
 385	writel_relaxed(val, (void __iomem *)d->offset);
 
 
 
 
 
 386
 
 
 
 387	wmb(); /* make sure write propagated to HW */
 388
 389	wil_pm_runtime_put(wil);
 390
 391	return 0;
 392}
 393
 394static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
 395{
 396	struct wil_debugfs_iomem_data *d = (struct
 397					    wil_debugfs_iomem_data *)data;
 398	struct wil6210_priv *wil = d->wil;
 399	int ret;
 400
 401	ret = wil_pm_runtime_get(wil);
 402	if (ret < 0)
 403		return ret;
 404
 405	*val = readl((void __iomem *)d->offset);
 406
 407	wil_pm_runtime_put(wil);
 408
 409	return 0;
 410}
 411
 412DEFINE_DEBUGFS_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 413			 wil_debugfs_iomem_x32_set, "0x%08llx\n");
 414
 415static void wil_debugfs_create_iomem_x32(const char *name, umode_t mode,
 416					 struct dentry *parent, void *value,
 417					 struct wil6210_priv *wil)
 
 418{
 419	struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[
 420					      wil->dbg_data.iomem_data_count];
 421
 422	data->wil = wil;
 423	data->offset = value;
 424
 425	debugfs_create_file_unsafe(name, mode, parent, data, &fops_iomem_x32);
 426	wil->dbg_data.iomem_data_count++;
 427}
 428
 429static int wil_debugfs_ulong_set(void *data, u64 val)
 430{
 431	*(ulong *)data = val;
 432	return 0;
 433}
 434
 435static int wil_debugfs_ulong_get(void *data, u64 *val)
 436{
 437	*val = *(ulong *)data;
 438	return 0;
 439}
 440
 441DEFINE_DEBUGFS_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
 442			 wil_debugfs_ulong_set, "0x%llx\n");
 
 
 
 
 
 
 
 443
 444/**
 445 * wil6210_debugfs_init_offset - create set of debugfs files
 446 * @wil: driver's context, used for printing
 447 * @dbg: directory on the debugfs, where files will be created
 448 * @base: base address used in address calculation
 449 * @tbl: table with file descriptions. Should be terminated with empty element.
 450 *
 451 * Creates files accordingly to the @tbl.
 452 */
 453static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
 454					struct dentry *dbg, void *base,
 455					const struct dbg_off * const tbl)
 456{
 457	int i;
 458
 459	for (i = 0; tbl[i].name; i++) {
 
 
 460		switch (tbl[i].type) {
 461		case doff_u32:
 462			debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
 463					   base + tbl[i].off);
 464			break;
 465		case doff_x32:
 466			debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
 467					   base + tbl[i].off);
 468			break;
 469		case doff_ulong:
 470			debugfs_create_file_unsafe(tbl[i].name, tbl[i].mode,
 471						   dbg, base + tbl[i].off,
 472						   &wil_fops_ulong);
 473			break;
 474		case doff_io32:
 475			wil_debugfs_create_iomem_x32(tbl[i].name, tbl[i].mode,
 476						     dbg, base + tbl[i].off,
 477						     wil);
 478			break;
 479		case doff_u8:
 480			debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg,
 481					  base + tbl[i].off);
 482			break;
 
 
 483		}
 
 
 
 484	}
 485}
 486
 487static const struct dbg_off isr_off[] = {
 488	{"ICC", 0644, offsetof(struct RGF_ICR, ICC), doff_io32},
 489	{"ICR", 0644, offsetof(struct RGF_ICR, ICR), doff_io32},
 490	{"ICM", 0644, offsetof(struct RGF_ICR, ICM), doff_io32},
 491	{"ICS",	0244, offsetof(struct RGF_ICR, ICS), doff_io32},
 492	{"IMV", 0644, offsetof(struct RGF_ICR, IMV), doff_io32},
 493	{"IMS",	0244, offsetof(struct RGF_ICR, IMS), doff_io32},
 494	{"IMC",	0244, offsetof(struct RGF_ICR, IMC), doff_io32},
 495	{},
 496};
 497
 498static void wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
 499				       const char *name, struct dentry *parent,
 500				       u32 off)
 501{
 502	struct dentry *d = debugfs_create_dir(name, parent);
 503
 
 
 
 504	wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
 505				    isr_off);
 
 
 506}
 507
 508static const struct dbg_off pseudo_isr_off[] = {
 509	{"CAUSE",   0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
 510	{"MASK_SW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
 511	{"MASK_FW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
 512	{},
 513};
 514
 515static void wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
 516					      struct dentry *parent)
 517{
 518	struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
 519
 
 
 
 520	wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 521				    pseudo_isr_off);
 
 
 522}
 523
 524static const struct dbg_off lgc_itr_cnt_off[] = {
 525	{"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
 526	{"DATA", 0644, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
 527	{"CTL",  0644, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
 528	{},
 529};
 530
 531static const struct dbg_off tx_itr_cnt_off[] = {
 532	{"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
 533	 doff_io32},
 534	{"DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
 535	 doff_io32},
 536	{"CTL",  0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
 537	 doff_io32},
 538	{"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
 539	 doff_io32},
 540	{"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
 541	 doff_io32},
 542	{"IDL_CTL",  0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
 543	 doff_io32},
 544	{},
 545};
 546
 547static const struct dbg_off rx_itr_cnt_off[] = {
 548	{"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
 549	 doff_io32},
 550	{"DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
 551	 doff_io32},
 552	{"CTL",  0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
 553	 doff_io32},
 554	{"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
 555	 doff_io32},
 556	{"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
 557	 doff_io32},
 558	{"IDL_CTL",  0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
 559	 doff_io32},
 560	{},
 561};
 562
 563static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
 564					  struct dentry *parent)
 565{
 566	struct dentry *d, *dtx, *drx;
 567
 568	d = debugfs_create_dir("ITR_CNT", parent);
 
 
 569
 570	dtx = debugfs_create_dir("TX", d);
 571	drx = debugfs_create_dir("RX", d);
 
 
 572
 573	wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 574				    lgc_itr_cnt_off);
 575
 576	wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
 577				    tx_itr_cnt_off);
 578
 579	wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
 580				    rx_itr_cnt_off);
 581	return 0;
 582}
 583
 584static int memread_show(struct seq_file *s, void *data)
 585{
 586	struct wil6210_priv *wil = s->private;
 587	void __iomem *a;
 588	int ret;
 589
 590	ret = wil_pm_runtime_get(wil);
 591	if (ret < 0)
 592		return ret;
 593
 594	ret = wil_mem_access_lock(wil);
 595	if (ret) {
 596		wil_pm_runtime_put(wil);
 597		return ret;
 598	}
 599
 600	a = wmi_buffer(wil, cpu_to_le32(mem_addr));
 601
 602	if (a)
 603		seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a));
 604	else
 605		seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
 606
 607	wil_mem_access_unlock(wil);
 608	wil_pm_runtime_put(wil);
 609
 610	return 0;
 611}
 612DEFINE_SHOW_ATTRIBUTE(memread);
 
 
 
 
 
 
 
 
 
 
 
 613
 614static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
 615				    size_t count, loff_t *ppos)
 616{
 617	enum { max_count = 4096 };
 618	struct wil_blob_wrapper *wil_blob = file->private_data;
 619	struct wil6210_priv *wil = wil_blob->wil;
 620	loff_t aligned_pos, pos = *ppos;
 621	size_t available = wil_blob->blob.size;
 622	void *buf;
 623	size_t unaligned_bytes, aligned_count, ret;
 624	int rc;
 625
 626	if (pos < 0)
 627		return -EINVAL;
 628
 629	if (pos >= available || !count)
 630		return 0;
 631
 632	if (count > available - pos)
 633		count = available - pos;
 634	if (count > max_count)
 635		count = max_count;
 636
 637	/* set pos to 4 bytes aligned */
 638	unaligned_bytes = pos % 4;
 639	aligned_pos = pos - unaligned_bytes;
 640	aligned_count = count + unaligned_bytes;
 641
 642	buf = kmalloc(aligned_count, GFP_KERNEL);
 643	if (!buf)
 644		return -ENOMEM;
 645
 646	rc = wil_pm_runtime_get(wil);
 647	if (rc < 0) {
 648		kfree(buf);
 649		return rc;
 650	}
 651
 652	rc = wil_mem_access_lock(wil);
 653	if (rc) {
 654		kfree(buf);
 655		wil_pm_runtime_put(wil);
 656		return rc;
 657	}
 658
 659	wil_memcpy_fromio_32(buf, (const void __iomem *)
 660			     wil_blob->blob.data + aligned_pos, aligned_count);
 661
 662	ret = copy_to_user(user_buf, buf + unaligned_bytes, count);
 663
 664	wil_mem_access_unlock(wil);
 665	wil_pm_runtime_put(wil);
 666
 
 667	kfree(buf);
 668	if (ret == count)
 669		return -EFAULT;
 670
 671	count -= ret;
 672	*ppos = pos + count;
 673
 674	return count;
 675}
 676
 677static const struct file_operations fops_ioblob = {
 678	.read =		wil_read_file_ioblob,
 679	.open =		simple_open,
 680	.llseek =	default_llseek,
 681};
 682
 683static
 684struct dentry *wil_debugfs_create_ioblob(const char *name,
 685					 umode_t mode,
 686					 struct dentry *parent,
 687					 struct wil_blob_wrapper *wil_blob)
 688{
 689	return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob);
 690}
 691
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 692/*---write channel 1..4 to rxon for it, 0 to rxoff---*/
 693static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
 694				   size_t len, loff_t *ppos)
 695{
 696	struct wil6210_priv *wil = file->private_data;
 697	int rc;
 698	long channel;
 699	bool on;
 700
 701	char *kbuf = memdup_user_nul(buf, len);
 702
 703	if (IS_ERR(kbuf))
 704		return PTR_ERR(kbuf);
 705	rc = kstrtol(kbuf, 0, &channel);
 706	kfree(kbuf);
 707	if (rc)
 708		return rc;
 709
 710	if ((channel < 0) || (channel > 4)) {
 711		wil_err(wil, "Invalid channel %ld\n", channel);
 712		return -EINVAL;
 713	}
 714	on = !!channel;
 715
 716	if (on) {
 717		rc = wmi_set_channel(wil, (int)channel);
 718		if (rc)
 719			return rc;
 720	}
 721
 722	rc = wmi_rxon(wil, on);
 723	if (rc)
 724		return rc;
 725
 726	return len;
 727}
 728
 729static const struct file_operations fops_rxon = {
 730	.write = wil_write_file_rxon,
 731	.open  = simple_open,
 732};
 733
 734static ssize_t wil_write_file_rbufcap(struct file *file,
 735				      const char __user *buf,
 736				      size_t count, loff_t *ppos)
 737{
 738	struct wil6210_priv *wil = file->private_data;
 739	int val;
 740	int rc;
 741
 742	rc = kstrtoint_from_user(buf, count, 0, &val);
 743	if (rc) {
 744		wil_err(wil, "Invalid argument\n");
 745		return rc;
 746	}
 747	/* input value: negative to disable, 0 to use system default,
 748	 * 1..ring size to set descriptor threshold
 749	 */
 750	wil_info(wil, "%s RBUFCAP, descriptors threshold - %d\n",
 751		 val < 0 ? "Disabling" : "Enabling", val);
 752
 753	if (!wil->ring_rx.va || val > wil->ring_rx.size) {
 754		wil_err(wil, "Invalid descriptors threshold, %d\n", val);
 755		return -EINVAL;
 756	}
 757
 758	rc = wmi_rbufcap_cfg(wil, val < 0 ? 0 : 1, val < 0 ? 0 : val);
 759	if (rc) {
 760		wil_err(wil, "RBUFCAP config failed: %d\n", rc);
 761		return rc;
 762	}
 763
 764	return count;
 765}
 766
 767static const struct file_operations fops_rbufcap = {
 768	.write = wil_write_file_rbufcap,
 769	.open  = simple_open,
 770};
 771
 772/* block ack control, write:
 773 * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
 774 * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
 775 * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
 776 */
 777static ssize_t wil_write_back(struct file *file, const char __user *buf,
 778			      size_t len, loff_t *ppos)
 779{
 780	struct wil6210_priv *wil = file->private_data;
 781	int rc;
 782	char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 783	char cmd[9];
 784	int p1, p2, p3;
 785
 786	if (!kbuf)
 787		return -ENOMEM;
 788
 789	rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
 790	if (rc != len) {
 791		kfree(kbuf);
 792		return rc >= 0 ? -EIO : rc;
 793	}
 794
 795	kbuf[len] = '\0';
 796	rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
 797	kfree(kbuf);
 798
 799	if (rc < 0)
 800		return rc;
 801	if (rc < 2)
 802		return -EINVAL;
 803
 804	if ((strcmp(cmd, "add") == 0) ||
 805	    (strcmp(cmd, "del_tx") == 0)) {
 806		struct wil_ring_tx_data *txdata;
 807
 808		if (p1 < 0 || p1 >= WIL6210_MAX_TX_RINGS) {
 809			wil_err(wil, "BACK: invalid ring id %d\n", p1);
 810			return -EINVAL;
 811		}
 812		txdata = &wil->ring_tx_data[p1];
 813		if (strcmp(cmd, "add") == 0) {
 814			if (rc < 3) {
 815				wil_err(wil, "BACK: add require at least 2 params\n");
 816				return -EINVAL;
 817			}
 818			if (rc < 4)
 819				p3 = 0;
 820			wmi_addba(wil, txdata->mid, p1, p2, p3);
 821		} else {
 822			if (rc < 3)
 823				p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
 824			wmi_delba_tx(wil, txdata->mid, p1, p2);
 825		}
 826	} else if (strcmp(cmd, "del_rx") == 0) {
 827		struct wil_sta_info *sta;
 828
 829		if (rc < 3) {
 830			wil_err(wil,
 831				"BACK: del_rx require at least 2 params\n");
 832			return -EINVAL;
 833		}
 834		if (p1 < 0 || p1 >= wil->max_assoc_sta) {
 835			wil_err(wil, "BACK: invalid CID %d\n", p1);
 836			return -EINVAL;
 837		}
 838		if (rc < 4)
 839			p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
 840		sta = &wil->sta[p1];
 841		wmi_delba_rx(wil, sta->mid, p1, p2, p3);
 842	} else {
 843		wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
 844		return -EINVAL;
 845	}
 846
 847	return len;
 848}
 849
 850static ssize_t wil_read_back(struct file *file, char __user *user_buf,
 851			     size_t count, loff_t *ppos)
 852{
 853	static const char text[] = "block ack control, write:\n"
 854	" - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
 855	"If missing, <timeout> defaults to 0\n"
 856	" - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
 857	" - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
 858	"If missing, <reason> set to \"STA_LEAVING\" (36)\n";
 859
 860	return simple_read_from_buffer(user_buf, count, ppos, text,
 861				       sizeof(text));
 862}
 863
 864static const struct file_operations fops_back = {
 865	.read = wil_read_back,
 866	.write = wil_write_back,
 867	.open  = simple_open,
 868};
 869
 870/* pmc control, write:
 871 * - "alloc <num descriptors> <descriptor_size>" to allocate PMC
 872 * - "free" to release memory allocated for PMC
 873 */
 874static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
 875				size_t len, loff_t *ppos)
 876{
 877	struct wil6210_priv *wil = file->private_data;
 878	int rc;
 879	char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 880	char cmd[9];
 881	int num_descs, desc_size;
 882
 883	if (!kbuf)
 884		return -ENOMEM;
 885
 886	rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
 887	if (rc != len) {
 888		kfree(kbuf);
 889		return rc >= 0 ? -EIO : rc;
 890	}
 891
 892	kbuf[len] = '\0';
 893	rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
 894	kfree(kbuf);
 895
 896	if (rc < 0)
 897		return rc;
 898
 899	if (rc < 1) {
 900		wil_err(wil, "pmccfg: no params given\n");
 901		return -EINVAL;
 902	}
 903
 904	if (0 == strcmp(cmd, "alloc")) {
 905		if (rc != 3) {
 906			wil_err(wil, "pmccfg: alloc requires 2 params\n");
 907			return -EINVAL;
 908		}
 909		wil_pmc_alloc(wil, num_descs, desc_size);
 910	} else if (0 == strcmp(cmd, "free")) {
 911		if (rc != 1) {
 912			wil_err(wil, "pmccfg: free does not have any params\n");
 913			return -EINVAL;
 914		}
 915		wil_pmc_free(wil, true);
 916	} else {
 917		wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
 918		return -EINVAL;
 919	}
 920
 921	return len;
 922}
 923
 924static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
 925			       size_t count, loff_t *ppos)
 926{
 927	struct wil6210_priv *wil = file->private_data;
 928	char text[256];
 929	char help[] = "pmc control, write:\n"
 930	" - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
 931	" - \"free\" to free memory allocated for pmc\n";
 932
 933	snprintf(text, sizeof(text), "Last command status: %d\n\n%s",
 934		 wil_pmc_last_cmd_status(wil), help);
 
 935
 936	return simple_read_from_buffer(user_buf, count, ppos, text,
 937				       strlen(text) + 1);
 938}
 939
 940static const struct file_operations fops_pmccfg = {
 941	.read = wil_read_pmccfg,
 942	.write = wil_write_pmccfg,
 943	.open  = simple_open,
 944};
 945
 946static const struct file_operations fops_pmcdata = {
 947	.open		= simple_open,
 948	.read		= wil_pmc_read,
 949	.llseek		= wil_pmc_llseek,
 950};
 951
 952static int wil_pmcring_seq_open(struct inode *inode, struct file *file)
 953{
 954	return single_open(file, wil_pmcring_read, inode->i_private);
 955}
 956
 957static const struct file_operations fops_pmcring = {
 958	.open		= wil_pmcring_seq_open,
 959	.release	= single_release,
 960	.read		= seq_read,
 961	.llseek		= seq_lseek,
 962};
 963
 964/*---tx_mgmt---*/
 965/* Write mgmt frame to this file to send it */
 966static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
 967				     size_t len, loff_t *ppos)
 968{
 969	struct wil6210_priv *wil = file->private_data;
 970	struct wiphy *wiphy = wil_to_wiphy(wil);
 971	struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
 972	struct cfg80211_mgmt_tx_params params;
 973	int rc;
 974	void *frame;
 975
 976	memset(&params, 0, sizeof(params));
 977
 978	if (!len)
 979		return -EINVAL;
 980
 981	frame = memdup_user(buf, len);
 982	if (IS_ERR(frame))
 983		return PTR_ERR(frame);
 
 984
 985	params.buf = frame;
 986	params.len = len;
 
 987
 988	rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
 989
 990	kfree(frame);
 991	wil_info(wil, "-> %d\n", rc);
 992
 993	return len;
 994}
 995
 996static const struct file_operations fops_txmgmt = {
 997	.write = wil_write_file_txmgmt,
 998	.open  = simple_open,
 999};
1000
1001/* Write WMI command (w/o mbox header) to this file to send it
1002 * WMI starts from wil6210_mbox_hdr_wmi header
1003 */
1004static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
1005				  size_t len, loff_t *ppos)
1006{
1007	struct wil6210_priv *wil = file->private_data;
1008	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1009	struct wmi_cmd_hdr *wmi;
1010	void *cmd;
1011	int cmdlen = len - sizeof(struct wmi_cmd_hdr);
1012	u16 cmdid;
1013	int rc1;
1014
1015	if (cmdlen < 0 || *ppos != 0)
1016		return -EINVAL;
1017
1018	wmi = memdup_user(buf, len);
1019	if (IS_ERR(wmi))
1020		return PTR_ERR(wmi);
 
 
 
 
 
 
1021
1022	cmd = (cmdlen > 0) ? &wmi[1] : NULL;
1023	cmdid = le16_to_cpu(wmi->command_id);
1024
1025	rc1 = wmi_send(wil, cmdid, vif->mid, cmd, cmdlen);
1026	kfree(wmi);
1027
1028	wil_info(wil, "0x%04x[%d] -> %d\n", cmdid, cmdlen, rc1);
1029
1030	return len;
1031}
1032
1033static const struct file_operations fops_wmi = {
1034	.write = wil_write_file_wmi,
1035	.open  = simple_open,
1036};
1037
1038static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
1039{
1040	int i = 0;
1041	int len = skb_headlen(skb);
1042	void *p = skb->data;
1043	int nr_frags = skb_shinfo(skb)->nr_frags;
1044
1045	seq_printf(s, "    len = %d\n", len);
1046	wil_seq_hexdump(s, p, len, "      : ");
1047
1048	if (nr_frags) {
1049		seq_printf(s, "    nr_frags = %d\n", nr_frags);
1050		for (i = 0; i < nr_frags; i++) {
1051			const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
1052
1053			len = skb_frag_size(frag);
1054			p = skb_frag_address_safe(frag);
1055			seq_printf(s, "    [%2d] : len = %d\n", i, len);
1056			wil_seq_hexdump(s, p, len, "      : ");
1057		}
1058	}
1059}
1060
1061/*---------Tx/Rx descriptor------------*/
1062static int txdesc_show(struct seq_file *s, void *data)
1063{
1064	struct wil6210_priv *wil = s->private;
1065	struct wil_ring *ring;
1066	bool tx;
1067	int ring_idx = dbg_ring_index;
1068	int txdesc_idx = dbg_txdesc_index;
1069	volatile struct vring_tx_desc *d;
1070	volatile u32 *u;
1071	struct sk_buff *skb;
1072
1073	if (wil->use_enhanced_dma_hw) {
1074		/* RX ring index == 0 */
1075		if (ring_idx >= WIL6210_MAX_TX_RINGS) {
1076			seq_printf(s, "invalid ring index %d\n", ring_idx);
1077			return 0;
1078		}
1079		tx = ring_idx > 0; /* desc ring 0 is reserved for RX */
1080	} else {
1081		/* RX ring index == WIL6210_MAX_TX_RINGS */
1082		if (ring_idx > WIL6210_MAX_TX_RINGS) {
1083			seq_printf(s, "invalid ring index %d\n", ring_idx);
1084			return 0;
1085		}
1086		tx = (ring_idx < WIL6210_MAX_TX_RINGS);
1087	}
1088
1089	ring = tx ? &wil->ring_tx[ring_idx] : &wil->ring_rx;
1090
1091	if (!ring->va) {
1092		if (tx)
1093			seq_printf(s, "No Tx[%2d] RING\n", ring_idx);
1094		else
1095			seq_puts(s, "No Rx RING\n");
1096		return 0;
1097	}
1098
1099	if (txdesc_idx >= ring->size) {
 
 
 
 
 
 
 
 
1100		if (tx)
1101			seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
1102				   ring_idx, txdesc_idx, ring->size);
1103		else
1104			seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
1105				   txdesc_idx, ring->size);
1106		return 0;
1107	}
 
 
1108
1109	/* use struct vring_tx_desc for Rx as well,
1110	 * only field used, .dma.length, is the same
1111	 */
1112	d = &ring->va[txdesc_idx].tx.legacy;
1113	u = (volatile u32 *)d;
1114	skb = NULL;
1115
1116	if (wil->use_enhanced_dma_hw) {
1117		if (tx) {
1118			skb = ring->ctx ? ring->ctx[txdesc_idx].skb : NULL;
1119		} else if (wil->rx_buff_mgmt.buff_arr) {
1120			struct wil_rx_enhanced_desc *rx_d =
1121				(struct wil_rx_enhanced_desc *)
1122				&ring->va[txdesc_idx].rx.enhanced;
1123			u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
1124
1125			if (!wil_val_in_range(buff_id, 0,
1126					      wil->rx_buff_mgmt.size))
1127				seq_printf(s, "invalid buff_id %d\n", buff_id);
1128			else
1129				skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
1130		}
 
1131	} else {
1132		skb = ring->ctx[txdesc_idx].skb;
1133	}
1134	if (tx)
1135		seq_printf(s, "Tx[%2d][%3d] = {\n", ring_idx,
1136			   txdesc_idx);
1137	else
1138		seq_printf(s, "Rx[%3d] = {\n", txdesc_idx);
1139	seq_printf(s, "  MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
1140		   u[0], u[1], u[2], u[3]);
1141	seq_printf(s, "  DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
1142		   u[4], u[5], u[6], u[7]);
1143	seq_printf(s, "  SKB = 0x%p\n", skb);
1144
1145	if (skb) {
1146		skb_get(skb);
1147		wil_seq_print_skb(s, skb);
1148		kfree_skb(skb);
1149	}
1150	seq_puts(s, "}\n");
1151
1152	return 0;
1153}
1154DEFINE_SHOW_ATTRIBUTE(txdesc);
1155
1156/*---------Tx/Rx status message------------*/
1157static int status_msg_show(struct seq_file *s, void *data)
1158{
1159	struct wil6210_priv *wil = s->private;
1160	int sring_idx = dbg_sring_index;
1161	struct wil_status_ring *sring;
1162	bool tx;
1163	u32 status_msg_idx = dbg_status_msg_index;
1164	u32 *u;
1165
1166	if (sring_idx >= WIL6210_MAX_STATUS_RINGS) {
1167		seq_printf(s, "invalid status ring index %d\n", sring_idx);
1168		return 0;
1169	}
1170
1171	sring = &wil->srings[sring_idx];
1172	tx = !sring->is_rx;
1173
1174	if (!sring->va) {
1175		seq_printf(s, "No %cX status ring\n", tx ? 'T' : 'R');
1176		return 0;
1177	}
1178
1179	if (status_msg_idx >= sring->size) {
1180		seq_printf(s, "%cxDesc index (%d) >= size (%d)\n",
1181			   tx ? 'T' : 'R', status_msg_idx, sring->size);
1182		return 0;
1183	}
1184
1185	u = sring->va + (sring->elem_size * status_msg_idx);
1186
1187	seq_printf(s, "%cx[%d][%3d] = {\n",
1188		   tx ? 'T' : 'R', sring_idx, status_msg_idx);
1189
1190	seq_printf(s, "  0x%08x 0x%08x 0x%08x 0x%08x\n",
1191		   u[0], u[1], u[2], u[3]);
1192	if (!tx && !wil->use_compressed_rx_status)
1193		seq_printf(s, "  0x%08x 0x%08x 0x%08x 0x%08x\n",
1194			   u[4], u[5], u[6], u[7]);
1195
1196	seq_puts(s, "}\n");
1197
1198	return 0;
1199}
1200DEFINE_SHOW_ATTRIBUTE(status_msg);
1201
1202static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh)
1203{
1204	struct wil_rx_buff *it;
1205	int i = 0;
1206
1207	list_for_each_entry(it, lh, list) {
1208		if ((i % 16) == 0 && i != 0)
1209			seq_puts(s, "\n    ");
1210		seq_printf(s, "[%4d] ", it->id);
1211		i++;
1212	}
1213	seq_printf(s, "\nNumber of buffers: %u\n", i);
1214
1215	return i;
1216}
1217
1218static int rx_buff_mgmt_show(struct seq_file *s, void *data)
1219{
1220	struct wil6210_priv *wil = s->private;
1221	struct wil_rx_buff_mgmt *rbm = &wil->rx_buff_mgmt;
1222	int num_active;
1223	int num_free;
1224
1225	if (!rbm->buff_arr)
1226		return -EINVAL;
1227
1228	seq_printf(s, "  size = %zu\n", rbm->size);
1229	seq_printf(s, "  free_list_empty_cnt = %lu\n",
1230		   rbm->free_list_empty_cnt);
1231
1232	/* Print active list */
1233	seq_puts(s, "  Active list:\n");
1234	num_active = wil_print_rx_buff(s, &rbm->active);
1235	seq_puts(s, "\n  Free list:\n");
1236	num_free = wil_print_rx_buff(s, &rbm->free);
1237
1238	seq_printf(s, "  Total number of buffers: %u\n",
1239		   num_active + num_free);
1240
1241	return 0;
1242}
1243DEFINE_SHOW_ATTRIBUTE(rx_buff_mgmt);
1244
1245/*---------beamforming------------*/
1246static char *wil_bfstatus_str(u32 status)
1247{
1248	switch (status) {
1249	case 0:
1250		return "Failed";
1251	case 1:
1252		return "OK";
1253	case 2:
1254		return "Retrying";
1255	default:
1256		return "??";
1257	}
1258}
1259
1260static bool is_all_zeros(void * const x_, size_t sz)
1261{
1262	/* if reply is all-0, ignore this CID */
1263	u32 *x = x_;
1264	int n;
1265
1266	for (n = 0; n < sz / sizeof(*x); n++)
1267		if (x[n])
1268			return false;
1269
1270	return true;
1271}
1272
1273static int bf_show(struct seq_file *s, void *data)
1274{
1275	int rc;
1276	int i;
1277	struct wil6210_priv *wil = s->private;
1278	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1279	struct wmi_notify_req_cmd cmd = {
1280		.interval_usec = 0,
1281	};
1282	struct {
1283		struct wmi_cmd_hdr wmi;
1284		struct wmi_notify_req_done_event evt;
1285	} __packed reply;
1286
1287	memset(&reply, 0, sizeof(reply));
1288
1289	for (i = 0; i < wil->max_assoc_sta; i++) {
1290		u32 status;
1291		u8 bf_mcs;
1292
1293		cmd.cid = i;
1294		rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
1295			      &cmd, sizeof(cmd),
1296			      WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
1297			      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
1298		/* if reply is all-0, ignore this CID */
1299		if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
1300			continue;
1301
1302		status = le32_to_cpu(reply.evt.status);
1303		bf_mcs = le16_to_cpu(reply.evt.bf_mcs);
1304		seq_printf(s, "CID %d {\n"
1305			   "  TSF = 0x%016llx\n"
1306			   "  TxMCS = %s TxTpt = %4d\n"
1307			   "  SQI = %4d\n"
1308			   "  RSSI = %4d\n"
1309			   "  Status = 0x%08x %s\n"
1310			   "  Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
1311			   "  Goodput(rx:tx) %4d:%4d\n"
1312			   "}\n",
1313			   i,
1314			   le64_to_cpu(reply.evt.tsf),
1315			   WIL_EXTENDED_MCS_CHECK(bf_mcs),
1316			   le32_to_cpu(reply.evt.tx_tpt),
1317			   reply.evt.sqi,
1318			   reply.evt.rssi,
1319			   status, wil_bfstatus_str(status),
1320			   le16_to_cpu(reply.evt.my_rx_sector),
1321			   le16_to_cpu(reply.evt.my_tx_sector),
1322			   le16_to_cpu(reply.evt.other_rx_sector),
1323			   le16_to_cpu(reply.evt.other_tx_sector),
1324			   le32_to_cpu(reply.evt.rx_goodput),
1325			   le32_to_cpu(reply.evt.tx_goodput));
1326	}
1327	return 0;
1328}
1329DEFINE_SHOW_ATTRIBUTE(bf);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1330
1331/*---------temp------------*/
1332static void print_temp(struct seq_file *s, const char *prefix, s32 t)
1333{
1334	switch (t) {
1335	case 0:
1336	case WMI_INVALID_TEMPERATURE:
1337		seq_printf(s, "%s N/A\n", prefix);
1338	break;
1339	default:
1340		seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""),
1341			   abs(t / 1000), abs(t % 1000));
1342		break;
1343	}
1344}
1345
1346static int temp_show(struct seq_file *s, void *data)
1347{
1348	struct wil6210_priv *wil = s->private;
1349	int rc, i;
1350
1351	if (test_bit(WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF,
1352		     wil->fw_capabilities)) {
1353		struct wmi_temp_sense_all_done_event sense_all_evt;
1354
1355		wil_dbg_misc(wil,
1356			     "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is supported");
1357		rc = wmi_get_all_temperatures(wil, &sense_all_evt);
1358		if (rc) {
1359			seq_puts(s, "Failed\n");
1360			return 0;
1361		}
1362		print_temp(s, "T_mac   =",
1363			   le32_to_cpu(sense_all_evt.baseband_t1000));
1364		seq_printf(s, "Connected RFs [0x%08x]\n",
1365			   sense_all_evt.rf_bitmap);
1366		for (i = 0; i < WMI_MAX_XIF_PORTS_NUM; i++) {
1367			seq_printf(s, "RF[%d]   = ", i);
1368			print_temp(s, "",
1369				   le32_to_cpu(sense_all_evt.rf_t1000[i]));
1370		}
1371	} else {
1372		s32 t_m, t_r;
1373
1374		wil_dbg_misc(wil,
1375			     "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is not supported");
1376		rc = wmi_get_temperature(wil, &t_m, &t_r);
1377		if (rc) {
1378			seq_puts(s, "Failed\n");
1379			return 0;
1380		}
1381		print_temp(s, "T_mac   =", t_m);
1382		print_temp(s, "T_radio =", t_r);
1383	}
 
 
 
 
1384	return 0;
1385}
1386DEFINE_SHOW_ATTRIBUTE(temp);
1387
1388/*---------link------------*/
1389static int link_show(struct seq_file *s, void *data)
 
 
 
 
 
 
 
 
 
 
 
 
1390{
1391	struct wil6210_priv *wil = s->private;
1392	struct station_info *sinfo;
1393	int i, rc = 0;
1394
1395	sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
1396	if (!sinfo)
1397		return -ENOMEM;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1398
1399	for (i = 0; i < wil->max_assoc_sta; i++) {
1400		struct wil_sta_info *p = &wil->sta[i];
1401		char *status = "unknown";
1402		struct wil6210_vif *vif;
1403		u8 mid;
1404
1405		switch (p->status) {
1406		case wil_sta_unused:
1407			status = "unused   ";
1408			break;
1409		case wil_sta_conn_pending:
1410			status = "pending  ";
1411			break;
1412		case wil_sta_connected:
1413			status = "connected";
1414			break;
1415		}
1416		mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1417		seq_printf(s, "[%d][MID %d] %pM %s\n",
1418			   i, mid, p->addr, status);
1419
1420		if (p->status != wil_sta_connected)
1421			continue;
1422
1423		vif = (mid < GET_MAX_VIFS(wil)) ? wil->vifs[mid] : NULL;
1424		if (vif) {
1425			rc = wil_cid_fill_sinfo(vif, i, sinfo);
1426			if (rc)
1427				goto out;
1428
1429			seq_printf(s, "  Tx_mcs = %s\n",
1430				   WIL_EXTENDED_MCS_CHECK(sinfo->txrate.mcs));
1431			seq_printf(s, "  Rx_mcs = %s\n",
1432				   WIL_EXTENDED_MCS_CHECK(sinfo->rxrate.mcs));
1433			seq_printf(s, "  SQ     = %d\n", sinfo->signal);
1434		} else {
1435			seq_puts(s, "  INVALID MID\n");
1436		}
1437	}
1438
1439out:
1440	kfree(sinfo);
1441	return rc;
1442}
1443DEFINE_SHOW_ATTRIBUTE(link);
 
 
 
 
 
 
 
 
 
 
 
1444
1445/*---------info------------*/
1446static int info_show(struct seq_file *s, void *data)
1447{
1448	struct wil6210_priv *wil = s->private;
1449	struct net_device *ndev = wil->main_ndev;
1450	int is_ac = power_supply_is_system_supplied();
1451	int rx = atomic_xchg(&wil->isr_count_rx, 0);
1452	int tx = atomic_xchg(&wil->isr_count_tx, 0);
1453	static ulong rxf_old, txf_old;
1454	ulong rxf = ndev->stats.rx_packets;
1455	ulong txf = ndev->stats.tx_packets;
1456	unsigned int i;
1457
1458	/* >0 : AC; 0 : battery; <0 : error */
1459	seq_printf(s, "AC powered : %d\n", is_ac);
1460	seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1461	seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1462	rxf_old = rxf;
1463	txf_old = txf;
1464
1465#define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1466	" " __stringify(x) : ""
1467
1468	for (i = 0; i < ndev->num_tx_queues; i++) {
1469		struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1470		unsigned long state = txq->state;
1471
1472		seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1473			   CHECK_QSTATE(DRV_XOFF),
1474			   CHECK_QSTATE(STACK_XOFF),
1475			   CHECK_QSTATE(FROZEN)
1476			  );
1477	}
1478#undef CHECK_QSTATE
1479	return 0;
1480}
1481DEFINE_SHOW_ATTRIBUTE(info);
 
 
 
 
 
 
 
 
 
 
 
1482
1483/*---------recovery------------*/
1484/* mode = [manual|auto]
1485 * state = [idle|pending|running]
1486 */
1487static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1488				      size_t count, loff_t *ppos)
1489{
1490	struct wil6210_priv *wil = file->private_data;
1491	char buf[80];
1492	int n;
1493	static const char * const sstate[] = {"idle", "pending", "running"};
1494
1495	n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1496		     no_fw_recovery ? "manual" : "auto",
1497		     sstate[wil->recovery_state]);
1498
1499	n = min_t(int, n, sizeof(buf));
1500
1501	return simple_read_from_buffer(user_buf, count, ppos,
1502				       buf, n);
1503}
1504
1505static ssize_t wil_write_file_recovery(struct file *file,
1506				       const char __user *buf_,
1507				       size_t count, loff_t *ppos)
1508{
1509	struct wil6210_priv *wil = file->private_data;
1510	static const char run_command[] = "run";
1511	char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1512	ssize_t rc;
1513
1514	if (wil->recovery_state != fw_recovery_pending) {
1515		wil_err(wil, "No recovery pending\n");
1516		return -EINVAL;
1517	}
1518
1519	if (*ppos != 0) {
1520		wil_err(wil, "Offset [%d]\n", (int)*ppos);
1521		return -EINVAL;
1522	}
1523
1524	if (count > sizeof(buf)) {
1525		wil_err(wil, "Input too long, len = %d\n", (int)count);
1526		return -EINVAL;
1527	}
1528
1529	rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1530	if (rc < 0)
1531		return rc;
1532
1533	buf[rc] = '\0';
1534	if (0 == strcmp(buf, run_command))
1535		wil_set_recovery_state(wil, fw_recovery_running);
1536	else
1537		wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1538
1539	return rc;
1540}
1541
1542static const struct file_operations fops_recovery = {
1543	.read = wil_read_file_recovery,
1544	.write = wil_write_file_recovery,
1545	.open  = simple_open,
1546};
1547
1548/*---------Station matrix------------*/
1549static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1550{
1551	int i;
1552	u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1553	unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
1554	unsigned long long drop_dup_mcast = r->drop_dup_mcast;
1555
1556	seq_printf(s, "([%2d]) 0x%03x [", r->buf_size, r->head_seq_num);
 
1557	for (i = 0; i < r->buf_size; i++) {
1558		if (i == index)
1559			seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1560		else
1561			seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1562	}
1563	seq_printf(s,
1564		   "] total %llu drop %llu (dup %llu + old %llu + dup mcast %llu) last 0x%03x\n",
1565		   r->total, drop_dup + drop_old + drop_dup_mcast, drop_dup,
1566		   drop_old, drop_dup_mcast, r->ssn_last_drop);
1567}
1568
1569static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
1570				   struct wil_tid_crypto_rx *c)
1571{
1572	int i;
1573
1574	for (i = 0; i < 4; i++) {
1575		struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1576
1577		if (cc->key_set)
1578			goto has_keys;
1579	}
1580	return;
1581
1582has_keys:
1583	if (tid < WIL_STA_TID_NUM)
1584		seq_printf(s, "  [%2d] PN", tid);
1585	else
1586		seq_puts(s, "  [GR] PN");
1587
1588	for (i = 0; i < 4; i++) {
1589		struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1590
1591		seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-",
1592			   cc->pn);
1593	}
1594	seq_puts(s, "\n");
1595}
1596
1597static int sta_show(struct seq_file *s, void *data)
1598__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1599{
1600	struct wil6210_priv *wil = s->private;
1601	int i, tid, mcs;
1602
1603	for (i = 0; i < wil->max_assoc_sta; i++) {
1604		struct wil_sta_info *p = &wil->sta[i];
1605		char *status = "unknown";
1606		u8 aid = 0;
1607		u8 mid;
1608		bool sta_connected = false;
1609
1610		switch (p->status) {
1611		case wil_sta_unused:
1612			status = "unused   ";
1613			break;
1614		case wil_sta_conn_pending:
1615			status = "pending  ";
1616			break;
1617		case wil_sta_connected:
1618			status = "connected";
1619			aid = p->aid;
1620			break;
1621		}
1622		mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1623		if (mid < GET_MAX_VIFS(wil)) {
1624			struct wil6210_vif *vif = wil->vifs[mid];
1625
1626			if (vif->wdev.iftype == NL80211_IFTYPE_STATION &&
1627			    p->status == wil_sta_connected)
1628				sta_connected = true;
1629		}
1630		/* print roam counter only for connected stations */
1631		if (sta_connected)
1632			seq_printf(s, "[%d] %pM connected (roam counter %d) MID %d AID %d\n",
1633				   i, p->addr, p->stats.ft_roams, mid, aid);
1634		else
1635			seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i,
1636				   p->addr, status, mid, aid);
1637
1638		if (p->status == wil_sta_connected) {
1639			spin_lock_bh(&p->tid_rx_lock);
1640			for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1641				struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1642				struct wil_tid_crypto_rx *c =
1643						&p->tid_crypto_rx[tid];
1644
1645				if (r) {
1646					seq_printf(s, "  [%2d] ", tid);
1647					wil_print_rxtid(s, r);
1648				}
1649
1650				wil_print_rxtid_crypto(s, tid, c);
1651			}
1652			wil_print_rxtid_crypto(s, WIL_STA_TID_NUM,
1653					       &p->group_crypto_rx);
1654			spin_unlock_bh(&p->tid_rx_lock);
1655			seq_printf(s,
1656				   "Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n",
1657				   p->stats.rx_non_data_frame,
1658				   p->stats.rx_short_frame,
1659				   p->stats.rx_large_frame,
1660				   p->stats.rx_replay);
1661			seq_printf(s,
1662				   "mic error %lu, key error %lu, amsdu error %lu, csum error %lu\n",
1663				   p->stats.rx_mic_error,
1664				   p->stats.rx_key_error,
1665				   p->stats.rx_amsdu_error,
1666				   p->stats.rx_csum_err);
1667
1668			seq_puts(s, "Rx/MCS:");
1669			for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
1670			     mcs++)
1671				seq_printf(s, " %lld",
1672					   p->stats.rx_per_mcs[mcs]);
1673			seq_puts(s, "\n");
1674		}
1675	}
1676
1677	return 0;
1678}
1679DEFINE_SHOW_ATTRIBUTE(sta);
1680
1681static int mids_show(struct seq_file *s, void *data)
1682{
1683	struct wil6210_priv *wil = s->private;
1684	struct wil6210_vif *vif;
1685	struct net_device *ndev;
1686	int i;
1687
1688	mutex_lock(&wil->vif_mutex);
1689	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
1690		vif = wil->vifs[i];
1691
1692		if (vif) {
1693			ndev = vif_to_ndev(vif);
1694			seq_printf(s, "[%d] %pM %s\n", i, ndev->dev_addr,
1695				   ndev->name);
1696		} else {
1697			seq_printf(s, "[%d] unused\n", i);
1698		}
1699	}
1700	mutex_unlock(&wil->vif_mutex);
1701
1702	return 0;
1703}
1704DEFINE_SHOW_ATTRIBUTE(mids);
1705
1706static int wil_tx_latency_debugfs_show(struct seq_file *s, void *data)
1707__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1708{
1709	struct wil6210_priv *wil = s->private;
1710	int i, bin;
1711
1712	for (i = 0; i < wil->max_assoc_sta; i++) {
1713		struct wil_sta_info *p = &wil->sta[i];
1714		char *status = "unknown";
1715		u8 aid = 0;
1716		u8 mid;
1717
1718		if (!p->tx_latency_bins)
1719			continue;
1720
1721		switch (p->status) {
1722		case wil_sta_unused:
1723			status = "unused   ";
1724			break;
1725		case wil_sta_conn_pending:
1726			status = "pending  ";
1727			break;
1728		case wil_sta_connected:
1729			status = "connected";
1730			aid = p->aid;
1731			break;
1732		}
1733		mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1734		seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status,
1735			   mid, aid);
1736
1737		if (p->status == wil_sta_connected) {
1738			u64 num_packets = 0;
1739			u64 tx_latency_avg = p->stats.tx_latency_total_us;
1740
1741			seq_puts(s, "Tx/Latency bin:");
1742			for (bin = 0; bin < WIL_NUM_LATENCY_BINS; bin++) {
1743				seq_printf(s, " %lld",
1744					   p->tx_latency_bins[bin]);
1745				num_packets += p->tx_latency_bins[bin];
1746			}
1747			seq_puts(s, "\n");
1748			if (!num_packets)
1749				continue;
1750			do_div(tx_latency_avg, num_packets);
1751			seq_printf(s, "Tx/Latency min/avg/max (us): %d/%lld/%d",
1752				   p->stats.tx_latency_min_us,
1753				   tx_latency_avg,
1754				   p->stats.tx_latency_max_us);
1755
1756			seq_puts(s, "\n");
1757		}
1758	}
1759
1760	return 0;
1761}
1762
1763static int wil_tx_latency_seq_open(struct inode *inode, struct file *file)
1764{
1765	return single_open(file, wil_tx_latency_debugfs_show,
1766			   inode->i_private);
1767}
1768
1769static ssize_t wil_tx_latency_write(struct file *file, const char __user *buf,
1770				    size_t len, loff_t *ppos)
1771{
1772	struct seq_file *s = file->private_data;
1773	struct wil6210_priv *wil = s->private;
1774	int val, rc, i;
1775	bool enable;
1776
1777	rc = kstrtoint_from_user(buf, len, 0, &val);
1778	if (rc) {
1779		wil_err(wil, "Invalid argument\n");
1780		return rc;
1781	}
1782	if (val == 1)
1783		/* default resolution */
1784		val = 500;
1785	if (val && (val < 50 || val > 1000)) {
1786		wil_err(wil, "Invalid resolution %d\n", val);
1787		return -EINVAL;
1788	}
1789
1790	enable = !!val;
1791	if (wil->tx_latency == enable)
1792		return len;
1793
1794	wil_info(wil, "%s TX latency measurements (resolution %dusec)\n",
1795		 enable ? "Enabling" : "Disabling", val);
1796
1797	if (enable) {
1798		size_t sz = sizeof(u64) * WIL_NUM_LATENCY_BINS;
1799
1800		wil->tx_latency_res = val;
1801		for (i = 0; i < wil->max_assoc_sta; i++) {
1802			struct wil_sta_info *sta = &wil->sta[i];
1803
1804			kfree(sta->tx_latency_bins);
1805			sta->tx_latency_bins = kzalloc(sz, GFP_KERNEL);
1806			if (!sta->tx_latency_bins)
1807				return -ENOMEM;
1808			sta->stats.tx_latency_min_us = U32_MAX;
1809			sta->stats.tx_latency_max_us = 0;
1810			sta->stats.tx_latency_total_us = 0;
1811		}
1812	}
1813	wil->tx_latency = enable;
1814
1815	return len;
1816}
1817
1818static const struct file_operations fops_tx_latency = {
1819	.open		= wil_tx_latency_seq_open,
1820	.release	= single_release,
1821	.read		= seq_read,
1822	.write		= wil_tx_latency_write,
1823	.llseek		= seq_lseek,
1824};
1825
1826static void wil_link_stats_print_basic(struct wil6210_vif *vif,
1827				       struct seq_file *s,
1828				       struct wmi_link_stats_basic *basic)
1829{
1830	char per[5] = "?";
1831
1832	if (basic->per_average != 0xff)
1833		snprintf(per, sizeof(per), "%d%%", basic->per_average);
1834
1835	seq_printf(s, "CID %d {\n"
1836		   "\tTxMCS %s TxTpt %d\n"
1837		   "\tGoodput(rx:tx) %d:%d\n"
1838		   "\tRxBcastFrames %d\n"
1839		   "\tRSSI %d SQI %d SNR %d PER %s\n"
1840		   "\tRx RFC %d Ant num %d\n"
1841		   "\tSectors(rx:tx) my %d:%d peer %d:%d\n"
1842		   "}\n",
1843		   basic->cid,
1844		   WIL_EXTENDED_MCS_CHECK(basic->bf_mcs),
1845		   le32_to_cpu(basic->tx_tpt),
1846		   le32_to_cpu(basic->rx_goodput),
1847		   le32_to_cpu(basic->tx_goodput),
1848		   le32_to_cpu(basic->rx_bcast_frames),
1849		   basic->rssi, basic->sqi, basic->snr, per,
1850		   basic->selected_rfc, basic->rx_effective_ant_num,
1851		   basic->my_rx_sector, basic->my_tx_sector,
1852		   basic->other_rx_sector, basic->other_tx_sector);
1853}
1854
1855static void wil_link_stats_print_global(struct wil6210_priv *wil,
1856					struct seq_file *s,
1857					struct wmi_link_stats_global *global)
1858{
1859	seq_printf(s, "Frames(rx:tx) %d:%d\n"
1860		   "BA Frames(rx:tx) %d:%d\n"
1861		   "Beacons %d\n"
1862		   "Rx Errors (MIC:CRC) %d:%d\n"
1863		   "Tx Errors (no ack) %d\n",
1864		   le32_to_cpu(global->rx_frames),
1865		   le32_to_cpu(global->tx_frames),
1866		   le32_to_cpu(global->rx_ba_frames),
1867		   le32_to_cpu(global->tx_ba_frames),
1868		   le32_to_cpu(global->tx_beacons),
1869		   le32_to_cpu(global->rx_mic_errors),
1870		   le32_to_cpu(global->rx_crc_errors),
1871		   le32_to_cpu(global->tx_fail_no_ack));
1872}
1873
1874static void wil_link_stats_debugfs_show_vif(struct wil6210_vif *vif,
1875					    struct seq_file *s)
1876{
1877	struct wil6210_priv *wil = vif_to_wil(vif);
1878	struct wmi_link_stats_basic *stats;
1879	int i;
1880
1881	if (!vif->fw_stats_ready) {
1882		seq_puts(s, "no statistics\n");
1883		return;
1884	}
1885
1886	seq_printf(s, "TSF %lld\n", vif->fw_stats_tsf);
1887	for (i = 0; i < wil->max_assoc_sta; i++) {
1888		if (wil->sta[i].status == wil_sta_unused)
1889			continue;
1890		if (wil->sta[i].mid != vif->mid)
1891			continue;
1892
1893		stats = &wil->sta[i].fw_stats_basic;
1894		wil_link_stats_print_basic(vif, s, stats);
1895	}
1896}
1897
1898static int wil_link_stats_debugfs_show(struct seq_file *s, void *data)
1899{
1900	struct wil6210_priv *wil = s->private;
1901	struct wil6210_vif *vif;
1902	int i, rc;
1903
1904	rc = mutex_lock_interruptible(&wil->vif_mutex);
1905	if (rc)
1906		return rc;
1907
1908	/* iterate over all MIDs and show per-cid statistics. Then show the
1909	 * global statistics
1910	 */
1911	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
1912		vif = wil->vifs[i];
1913
1914		seq_printf(s, "MID %d ", i);
1915		if (!vif) {
1916			seq_puts(s, "unused\n");
1917			continue;
1918		}
1919
1920		wil_link_stats_debugfs_show_vif(vif, s);
1921	}
1922
1923	mutex_unlock(&wil->vif_mutex);
1924
1925	return 0;
1926}
1927
1928static int wil_link_stats_seq_open(struct inode *inode, struct file *file)
1929{
1930	return single_open(file, wil_link_stats_debugfs_show, inode->i_private);
1931}
1932
1933static ssize_t wil_link_stats_write(struct file *file, const char __user *buf,
1934				    size_t len, loff_t *ppos)
1935{
1936	struct seq_file *s = file->private_data;
1937	struct wil6210_priv *wil = s->private;
1938	int cid, interval, rc, i;
1939	struct wil6210_vif *vif;
1940	char *kbuf = kmalloc(len + 1, GFP_KERNEL);
1941
1942	if (!kbuf)
1943		return -ENOMEM;
1944
1945	rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
1946	if (rc != len) {
1947		kfree(kbuf);
1948		return rc >= 0 ? -EIO : rc;
1949	}
1950
1951	kbuf[len] = '\0';
1952	/* specify cid (use -1 for all cids) and snapshot interval in ms */
1953	rc = sscanf(kbuf, "%d %d", &cid, &interval);
1954	kfree(kbuf);
1955	if (rc < 0)
1956		return rc;
1957	if (rc < 2 || interval < 0)
1958		return -EINVAL;
1959
1960	wil_info(wil, "request link statistics, cid %d interval %d\n",
1961		 cid, interval);
1962
1963	rc = mutex_lock_interruptible(&wil->vif_mutex);
1964	if (rc)
1965		return rc;
1966
1967	for (i = 0; i < GET_MAX_VIFS(wil); i++) {
1968		vif = wil->vifs[i];
1969		if (!vif)
1970			continue;
1971
1972		rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_BASIC,
1973					(cid == -1 ? 0xff : cid), interval);
1974		if (rc)
1975			wil_err(wil, "link statistics failed for mid %d\n", i);
1976	}
1977	mutex_unlock(&wil->vif_mutex);
1978
1979	return len;
1980}
1981
1982static const struct file_operations fops_link_stats = {
1983	.open		= wil_link_stats_seq_open,
1984	.release	= single_release,
1985	.read		= seq_read,
1986	.write		= wil_link_stats_write,
1987	.llseek		= seq_lseek,
1988};
1989
1990static int
1991wil_link_stats_global_debugfs_show(struct seq_file *s, void *data)
1992{
1993	struct wil6210_priv *wil = s->private;
1994
1995	if (!wil->fw_stats_global.ready)
1996		return 0;
1997
1998	seq_printf(s, "TSF %lld\n", wil->fw_stats_global.tsf);
1999	wil_link_stats_print_global(wil, s, &wil->fw_stats_global.stats);
2000
2001	return 0;
2002}
2003
2004static int
2005wil_link_stats_global_seq_open(struct inode *inode, struct file *file)
2006{
2007	return single_open(file, wil_link_stats_global_debugfs_show,
2008			   inode->i_private);
2009}
2010
2011static ssize_t
2012wil_link_stats_global_write(struct file *file, const char __user *buf,
2013			    size_t len, loff_t *ppos)
2014{
2015	struct seq_file *s = file->private_data;
2016	struct wil6210_priv *wil = s->private;
2017	int interval, rc;
2018	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2019
2020	/* specify snapshot interval in ms */
2021	rc = kstrtoint_from_user(buf, len, 0, &interval);
2022	if (rc || interval < 0) {
2023		wil_err(wil, "Invalid argument\n");
2024		return -EINVAL;
2025	}
2026
2027	wil_info(wil, "request global link stats, interval %d\n", interval);
2028
2029	rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_GLOBAL, 0, interval);
2030	if (rc)
2031		wil_err(wil, "global link stats failed %d\n", rc);
2032
2033	return rc ? rc : len;
2034}
2035
2036static const struct file_operations fops_link_stats_global = {
2037	.open		= wil_link_stats_global_seq_open,
2038	.release	= single_release,
2039	.read		= seq_read,
2040	.write		= wil_link_stats_global_write,
2041	.llseek		= seq_lseek,
2042};
2043
2044static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf,
2045				     size_t count, loff_t *ppos)
2046{
2047	char buf[80];
2048	int n;
2049
2050	n = snprintf(buf, sizeof(buf),
2051		     "led_id is set to %d, echo 1 to enable, 0 to disable\n",
2052		     led_id);
2053
2054	n = min_t(int, n, sizeof(buf));
2055
2056	return simple_read_from_buffer(user_buf, count, ppos,
2057				       buf, n);
2058}
2059
2060static ssize_t wil_write_file_led_cfg(struct file *file,
2061				      const char __user *buf_,
2062				      size_t count, loff_t *ppos)
2063{
2064	struct wil6210_priv *wil = file->private_data;
2065	int val;
2066	int rc;
2067
2068	rc = kstrtoint_from_user(buf_, count, 0, &val);
2069	if (rc) {
2070		wil_err(wil, "Invalid argument\n");
2071		return rc;
2072	}
2073
2074	wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id);
2075	rc = wmi_led_cfg(wil, val);
2076	if (rc) {
2077		wil_info(wil, "%s led %d failed\n",
2078			 val ? "Enabling" : "Disabling", led_id);
2079		return rc;
2080	}
2081
2082	return count;
2083}
2084
2085static const struct file_operations fops_led_cfg = {
2086	.read = wil_read_file_led_cfg,
2087	.write = wil_write_file_led_cfg,
2088	.open  = simple_open,
2089};
2090
2091/* led_blink_time, write:
2092 * "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast>
2093 */
2094static ssize_t wil_write_led_blink_time(struct file *file,
2095					const char __user *buf,
2096					size_t len, loff_t *ppos)
2097{
2098	int rc;
2099	char *kbuf = kmalloc(len + 1, GFP_KERNEL);
2100
2101	if (!kbuf)
2102		return -ENOMEM;
2103
2104	rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
2105	if (rc != len) {
2106		kfree(kbuf);
2107		return rc >= 0 ? -EIO : rc;
2108	}
2109
2110	kbuf[len] = '\0';
2111	rc = sscanf(kbuf, "%d %d %d %d %d %d",
2112		    &led_blink_time[WIL_LED_TIME_SLOW].on_ms,
2113		    &led_blink_time[WIL_LED_TIME_SLOW].off_ms,
2114		    &led_blink_time[WIL_LED_TIME_MED].on_ms,
2115		    &led_blink_time[WIL_LED_TIME_MED].off_ms,
2116		    &led_blink_time[WIL_LED_TIME_FAST].on_ms,
2117		    &led_blink_time[WIL_LED_TIME_FAST].off_ms);
2118	kfree(kbuf);
2119
2120	if (rc < 0)
2121		return rc;
2122	if (rc < 6)
2123		return -EINVAL;
2124
2125	return len;
2126}
2127
2128static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf,
2129				       size_t count, loff_t *ppos)
2130{
2131	static char text[400];
2132
2133	snprintf(text, sizeof(text),
2134		 "To set led blink on/off time variables write:\n"
2135		 "<blink_on_slow> <blink_off_slow> <blink_on_med> "
2136		 "<blink_off_med> <blink_on_fast> <blink_off_fast>\n"
2137		 "The current values are:\n"
2138		 "%d %d %d %d %d %d\n",
2139		 led_blink_time[WIL_LED_TIME_SLOW].on_ms,
2140		 led_blink_time[WIL_LED_TIME_SLOW].off_ms,
2141		 led_blink_time[WIL_LED_TIME_MED].on_ms,
2142		 led_blink_time[WIL_LED_TIME_MED].off_ms,
2143		 led_blink_time[WIL_LED_TIME_FAST].on_ms,
2144		 led_blink_time[WIL_LED_TIME_FAST].off_ms);
2145
2146	return simple_read_from_buffer(user_buf, count, ppos, text,
2147				       sizeof(text));
2148}
2149
2150static const struct file_operations fops_led_blink_time = {
2151	.read = wil_read_led_blink_time,
2152	.write = wil_write_led_blink_time,
2153	.open  = simple_open,
2154};
2155
2156/*---------FW capabilities------------*/
2157static int fw_capabilities_show(struct seq_file *s, void *data)
2158{
2159	struct wil6210_priv *wil = s->private;
2160
2161	seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX,
2162		   wil->fw_capabilities);
2163
2164	return 0;
2165}
2166DEFINE_SHOW_ATTRIBUTE(fw_capabilities);
2167
2168/*---------FW version------------*/
2169static int fw_version_show(struct seq_file *s, void *data)
2170{
2171	struct wil6210_priv *wil = s->private;
2172
2173	if (wil->fw_version[0])
2174		seq_printf(s, "%s\n", wil->fw_version);
2175	else
2176		seq_puts(s, "N/A\n");
2177
2178	return 0;
2179}
2180DEFINE_SHOW_ATTRIBUTE(fw_version);
2181
2182/*---------suspend_stats---------*/
2183static ssize_t wil_write_suspend_stats(struct file *file,
2184				       const char __user *buf,
2185				       size_t len, loff_t *ppos)
2186{
2187	struct wil6210_priv *wil = file->private_data;
2188
2189	memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
2190
2191	return len;
2192}
2193
2194static ssize_t wil_read_suspend_stats(struct file *file,
2195				      char __user *user_buf,
2196				      size_t count, loff_t *ppos)
2197{
2198	struct wil6210_priv *wil = file->private_data;
2199	char *text;
2200	int n, ret, text_size = 500;
2201
2202	text = kmalloc(text_size, GFP_KERNEL);
2203	if (!text)
2204		return -ENOMEM;
2205
2206	n = snprintf(text, text_size,
2207		     "Radio on suspend statistics:\n"
2208		     "successful suspends:%ld failed suspends:%ld\n"
2209		     "successful resumes:%ld failed resumes:%ld\n"
2210		     "rejected by device:%ld\n"
2211		     "Radio off suspend statistics:\n"
2212		     "successful suspends:%ld failed suspends:%ld\n"
2213		     "successful resumes:%ld failed resumes:%ld\n"
2214		     "General statistics:\n"
2215		     "rejected by host:%ld\n",
2216		     wil->suspend_stats.r_on.successful_suspends,
2217		     wil->suspend_stats.r_on.failed_suspends,
2218		     wil->suspend_stats.r_on.successful_resumes,
2219		     wil->suspend_stats.r_on.failed_resumes,
2220		     wil->suspend_stats.rejected_by_device,
2221		     wil->suspend_stats.r_off.successful_suspends,
2222		     wil->suspend_stats.r_off.failed_suspends,
2223		     wil->suspend_stats.r_off.successful_resumes,
2224		     wil->suspend_stats.r_off.failed_resumes,
2225		     wil->suspend_stats.rejected_by_host);
2226
2227	n = min_t(int, n, text_size);
2228
2229	ret = simple_read_from_buffer(user_buf, count, ppos, text, n);
2230
2231	kfree(text);
2232
2233	return ret;
2234}
2235
2236static const struct file_operations fops_suspend_stats = {
2237	.read = wil_read_suspend_stats,
2238	.write = wil_write_suspend_stats,
2239	.open  = simple_open,
2240};
2241
2242/*---------compressed_rx_status---------*/
2243static ssize_t wil_compressed_rx_status_write(struct file *file,
2244					      const char __user *buf,
2245					      size_t len, loff_t *ppos)
2246{
2247	struct seq_file *s = file->private_data;
2248	struct wil6210_priv *wil = s->private;
2249	int compressed_rx_status;
2250	int rc;
2251
2252	rc = kstrtoint_from_user(buf, len, 0, &compressed_rx_status);
2253	if (rc) {
2254		wil_err(wil, "Invalid argument\n");
2255		return rc;
2256	}
2257
2258	if (wil_has_active_ifaces(wil, true, false)) {
2259		wil_err(wil, "cannot change edma config after iface is up\n");
2260		return -EPERM;
2261	}
2262
2263	wil_info(wil, "%sable compressed_rx_status\n",
2264		 compressed_rx_status ? "En" : "Dis");
2265
2266	wil->use_compressed_rx_status = compressed_rx_status;
2267
2268	return len;
2269}
2270
2271static int
2272wil_compressed_rx_status_show(struct seq_file *s, void *data)
2273{
2274	struct wil6210_priv *wil = s->private;
2275
2276	seq_printf(s, "%d\n", wil->use_compressed_rx_status);
2277
2278	return 0;
2279}
2280
2281static int
2282wil_compressed_rx_status_seq_open(struct inode *inode, struct file *file)
2283{
2284	return single_open(file, wil_compressed_rx_status_show,
2285			   inode->i_private);
2286}
2287
2288static const struct file_operations fops_compressed_rx_status = {
2289	.open  = wil_compressed_rx_status_seq_open,
2290	.release = single_release,
2291	.read = seq_read,
2292	.write = wil_compressed_rx_status_write,
2293	.llseek	= seq_lseek,
2294};
2295
2296/*----------------*/
2297static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
2298				       struct dentry *dbg)
2299{
2300	int i;
2301	char name[32];
2302
2303	for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
2304		struct wil_blob_wrapper *wil_blob = &wil->blobs[i];
2305		struct debugfs_blob_wrapper *blob = &wil_blob->blob;
2306		const struct fw_map *map = &fw_mapping[i];
2307
2308		if (!map->name)
2309			continue;
2310
2311		wil_blob->wil = wil;
2312		blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
2313		blob->size = map->to - map->from;
2314		snprintf(name, sizeof(name), "blob_%s", map->name);
2315		wil_debugfs_create_ioblob(name, 0444, dbg, wil_blob);
2316	}
2317}
2318
2319/* misc files */
2320static const struct {
2321	const char *name;
2322	umode_t mode;
2323	const struct file_operations *fops;
2324} dbg_files[] = {
2325	{"mbox",	0444,		&mbox_fops},
2326	{"rings",	0444,		&ring_fops},
2327	{"stations", 0444,		&sta_fops},
2328	{"mids",	0444,		&mids_fops},
2329	{"desc",	0444,		&txdesc_fops},
2330	{"bf",		0444,		&bf_fops},
2331	{"mem_val",	0644,		&memread_fops},
2332	{"rxon",	0244,		&fops_rxon},
2333	{"tx_mgmt",	0244,		&fops_txmgmt},
2334	{"wmi_send", 0244,		&fops_wmi},
2335	{"back",	0644,		&fops_back},
2336	{"pmccfg",	0644,		&fops_pmccfg},
2337	{"pmcdata",	0444,		&fops_pmcdata},
2338	{"pmcring",	0444,		&fops_pmcring},
2339	{"temp",	0444,		&temp_fops},
2340	{"link",	0444,		&link_fops},
2341	{"info",	0444,		&info_fops},
2342	{"recovery", 0644,		&fops_recovery},
2343	{"led_cfg",	0644,		&fops_led_cfg},
2344	{"led_blink_time",	0644,	&fops_led_blink_time},
2345	{"fw_capabilities",	0444,	&fw_capabilities_fops},
2346	{"fw_version",	0444,		&fw_version_fops},
2347	{"suspend_stats",	0644,	&fops_suspend_stats},
2348	{"compressed_rx_status", 0644,	&fops_compressed_rx_status},
2349	{"srings",	0444,		&srings_fops},
2350	{"status_msg",	0444,		&status_msg_fops},
2351	{"rx_buff_mgmt",	0444,	&rx_buff_mgmt_fops},
2352	{"tx_latency",	0644,		&fops_tx_latency},
2353	{"link_stats",	0644,		&fops_link_stats},
2354	{"link_stats_global",	0644,	&fops_link_stats_global},
2355	{"rbufcap",	0244,		&fops_rbufcap},
2356};
2357
2358static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
2359				       struct dentry *dbg)
2360{
2361	int i;
2362
2363	for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
2364		debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
2365				    wil, dbg_files[i].fops);
2366}
2367
2368/* interrupt control blocks */
2369static const struct {
2370	const char *name;
2371	u32 icr_off;
2372} dbg_icr[] = {
2373	{"USER_ICR",		HOSTADDR(RGF_USER_USER_ICR)},
2374	{"DMA_EP_TX_ICR",	HOSTADDR(RGF_DMA_EP_TX_ICR)},
2375	{"DMA_EP_RX_ICR",	HOSTADDR(RGF_DMA_EP_RX_ICR)},
2376	{"DMA_EP_MISC_ICR",	HOSTADDR(RGF_DMA_EP_MISC_ICR)},
2377};
2378
2379static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
2380				     struct dentry *dbg)
2381{
2382	int i;
2383
2384	for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
2385		wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
2386					   dbg_icr[i].icr_off);
2387}
2388
2389#define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
2390	offsetof(struct wil6210_priv, name), type}
2391
2392/* fields in struct wil6210_priv */
2393static const struct dbg_off dbg_wil_off[] = {
2394	WIL_FIELD(status[0],	0644,	doff_ulong),
2395	WIL_FIELD(hw_version,	0444,	doff_x32),
2396	WIL_FIELD(recovery_count, 0444,	doff_u32),
2397	WIL_FIELD(discovery_mode, 0644,	doff_u8),
2398	WIL_FIELD(chip_revision, 0444,	doff_u8),
2399	WIL_FIELD(abft_len, 0644,		doff_u8),
2400	WIL_FIELD(wakeup_trigger, 0644,		doff_u8),
2401	WIL_FIELD(ring_idle_trsh, 0644,	doff_u32),
2402	WIL_FIELD(num_rx_status_rings, 0644,	doff_u8),
2403	WIL_FIELD(rx_status_ring_order, 0644,	doff_u32),
2404	WIL_FIELD(tx_status_ring_order, 0644,	doff_u32),
2405	WIL_FIELD(rx_buff_id_count, 0644,	doff_u32),
2406	WIL_FIELD(amsdu_en, 0644,	doff_u8),
2407	{},
2408};
2409
2410static const struct dbg_off dbg_wil_regs[] = {
2411	{"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
2412		doff_io32},
2413	{"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
2414	{"RGF_USER_USAGE_2", 0444, HOSTADDR(RGF_USER_USAGE_2), doff_io32},
2415	{},
2416};
2417
2418/* static parameters */
2419static const struct dbg_off dbg_statics[] = {
2420	{"desc_index",	0644, (ulong)&dbg_txdesc_index, doff_u32},
2421	{"ring_index",	0644, (ulong)&dbg_ring_index, doff_u32},
2422	{"mem_addr",	0644, (ulong)&mem_addr, doff_u32},
2423	{"led_polarity", 0644, (ulong)&led_polarity, doff_u8},
2424	{"status_index", 0644, (ulong)&dbg_status_msg_index, doff_u32},
2425	{"sring_index",	0644, (ulong)&dbg_sring_index, doff_u32},
2426	{"drop_if_ring_full", 0644, (ulong)&drop_if_ring_full, doff_u8},
2427	{},
2428};
2429
2430static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) +
2431				ARRAY_SIZE(dbg_wil_regs) - 1 +
2432				ARRAY_SIZE(pseudo_isr_off) - 1 +
2433				ARRAY_SIZE(lgc_itr_cnt_off) - 1 +
2434				ARRAY_SIZE(tx_itr_cnt_off) - 1 +
2435				ARRAY_SIZE(rx_itr_cnt_off) - 1;
2436
2437int wil6210_debugfs_init(struct wil6210_priv *wil)
2438{
2439	struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
2440			wil_to_wiphy(wil)->debugfsdir);
 
2441	if (IS_ERR_OR_NULL(dbg))
2442		return -ENODEV;
2443
2444	wil->dbg_data.data_arr = kcalloc(dbg_off_count,
2445					 sizeof(struct wil_debugfs_iomem_data),
2446					 GFP_KERNEL);
2447	if (!wil->dbg_data.data_arr) {
2448		debugfs_remove_recursive(dbg);
2449		wil->debug = NULL;
2450		return -ENOMEM;
2451	}
2452
2453	wil->dbg_data.iomem_data_count = 0;
2454
2455	wil_pmc_init(wil);
2456
2457	wil6210_debugfs_init_files(wil, dbg);
2458	wil6210_debugfs_init_isr(wil, dbg);
2459	wil6210_debugfs_init_blobs(wil, dbg);
2460	wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
2461	wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
2462				    dbg_wil_regs);
2463	wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
2464
2465	wil6210_debugfs_create_pseudo_ISR(wil, dbg);
2466
2467	wil6210_debugfs_create_ITR_CNT(wil, dbg);
2468
2469	return 0;
2470}
2471
2472void wil6210_debugfs_remove(struct wil6210_priv *wil)
2473{
2474	int i;
2475
2476	debugfs_remove_recursive(wil->debug);
2477	wil->debug = NULL;
2478
2479	kfree(wil->dbg_data.data_arr);
2480	for (i = 0; i < wil->max_assoc_sta; i++)
2481		kfree(wil->sta[i].tx_latency_bins);
2482
2483	/* free pmc memory without sending command to fw, as it will
2484	 * be reset on the way down anyway
2485	 */
2486	wil_pmc_free(wil, false);
2487}