drivers/net/wireless/ath/wil6210/debugfs.c

   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 */
  19 static u32 mem_addr;
  20 static u32 dbg_txdesc_index;
  21 static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */
  22 static u32 dbg_status_msg_index;
  23 /* 0..wil->num_rx_status_rings-1 for Rx, wil->tx_sring_idx for Tx */
  24 static u32 dbg_sring_index;
  25
  26 enum 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" */
  35 struct dbg_off {
  36         const char *name;
  37         umode_t mode;
  38         ulong off;
  39         enum dbg_off_type type;
  40 };
  41
  42 static 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
  74 static 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
 132 static 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 }
 191 DEFINE_SHOW_ATTRIBUTE(ring);
 192
 193 static 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
 251 static 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 }
 262 DEFINE_SHOW_ATTRIBUTE(srings);
 263
 264 static 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
 270 static 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
 354 static 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 }
 372 DEFINE_SHOW_ATTRIBUTE(mbox);
 373
 374 static 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
 394 static 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
 412 DEFINE_DEBUGFS_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 413                          wil_debugfs_iomem_x32_set, "0x%08llx\n");
 414
 415 static 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
 429 static int wil_debugfs_ulong_set(void *data, u64 val)
 430 {
 431         *(ulong *)data = val;
 432         return 0;
 433 }
 434
 435 static int wil_debugfs_ulong_get(void *data, u64 *val)
 436 {
 437         *val = *(ulong *)data;
 438         return 0;
 439 }
 440
 441 DEFINE_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  */
 453 static 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
 487 static 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
 498 static 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
 508 static 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
 515 static 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
 524 static 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
 531 static 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
 547 static 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
 563 static 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
 584 static 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 }
 612 DEFINE_SHOW_ATTRIBUTE(memread);
 613
 614 static 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
 677 static const struct file_operations fops_ioblob = {
 678         .read =         wil_read_file_ioblob,
 679         .open =         simple_open,
 680         .llseek =       default_llseek,
 681 };
 682
 683 static
 684 struct 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---*/
 693 static 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
 729 static const struct file_operations fops_rxon = {
 730         .write = wil_write_file_rxon,
 731         .open  = simple_open,
 732 };
 733
 734 static 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
 767 static 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  */
 777 static 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
 850 static 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
 864 static 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  */
 874 static 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
 924 static 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
 940 static const struct file_operations fops_pmccfg = {
 941         .read = wil_read_pmccfg,
 942         .write = wil_write_pmccfg,
 943         .open  = simple_open,
 944 };
 945
 946 static const struct file_operations fops_pmcdata = {
 947         .open           = simple_open,
 948         .read           = wil_pmc_read,
 949         .llseek         = wil_pmc_llseek,
 950 };
 951
 952 static 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
 957 static 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 */
 966 static 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
 996 static 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  */
1004 static 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
1033 static const struct file_operations fops_wmi = {
1034         .write = wil_write_file_wmi,
1035         .open  = simple_open,
1036 };
1037
1038 static 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------------*/
1062 static 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 }
1154 DEFINE_SHOW_ATTRIBUTE(txdesc);
1155
1156 /*---------Tx/Rx status message------------*/
1157 static 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 }
1200 DEFINE_SHOW_ATTRIBUTE(status_msg);
1201
1202 static 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
1218 static 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 }
1243 DEFINE_SHOW_ATTRIBUTE(rx_buff_mgmt);
1244
1245 /*---------beamforming------------*/
1246 static 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
1260 static 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
1273 static 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 }
1329 DEFINE_SHOW_ATTRIBUTE(bf);
1330
1331 /*---------temp------------*/
1332 static 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
1346 static 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 }
1386 DEFINE_SHOW_ATTRIBUTE(temp);
1387
1388 /*---------link------------*/
1389 static 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
1439 out:
1440         kfree(sinfo);
1441         return rc;
1442 }
1443 DEFINE_SHOW_ATTRIBUTE(link);
1444
1445 /*---------info------------*/
1446 static 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 }
1481 DEFINE_SHOW_ATTRIBUTE(info);
1482
1483 /*---------recovery------------*/
1484 /* mode = [manual|auto]
1485  * state = [idle|pending|running]
1486  */
1487 static 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
1505 static 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
1542 static 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------------*/
1549 static 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
1569 static 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
1582 has_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
1597 static 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 }
1679 DEFINE_SHOW_ATTRIBUTE(sta);
1680
1681 static 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 }
1704 DEFINE_SHOW_ATTRIBUTE(mids);
1705
1706 static 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
1763 static 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
1769 static 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
1818 static 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
1826 static 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
1855 static 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
1874 static 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
1898 static 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
1928 static 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
1933 static 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
1982 static 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
1990 static int
1991 wil_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
2004 static int
2005 wil_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
2011 static ssize_t
2012 wil_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
2036 static 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
2044 static 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
2060 static 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
2085 static 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  */
2094 static 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
2128 static 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
2150 static 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------------*/
2157 static 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 }
2166 DEFINE_SHOW_ATTRIBUTE(fw_capabilities);
2167
2168 /*---------FW version------------*/
2169 static 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 }
2180 DEFINE_SHOW_ATTRIBUTE(fw_version);
2181
2182 /*---------suspend_stats---------*/
2183 static 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
2194 static 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
2236 static 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---------*/
2243 static 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
2271 static int
2272 wil_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
2281 static int
2282 wil_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
2288 static 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 /*----------------*/
2297 static 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 */
2320 static 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
2358 static 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 */
2369 static 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
2379 static 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 */
2393 static 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
2410 static 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 */
2419 static 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
2430 static 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
2437 int 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
2472 void 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 }