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

   1 /*
   2  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
   3  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/debugfs.h>
  20 #include <linux/seq_file.h>
  21 #include <linux/pci.h>
  22 #include <linux/rtnetlink.h>
  23 #include <linux/power_supply.h>
  24 #include "wil6210.h"
  25 #include "wmi.h"
  26 #include "txrx.h"
  27 #include "pmc.h"
  28
  29 /* Nasty hack. Better have per device instances */
  30 static u32 mem_addr;
  31 static u32 dbg_txdesc_index;
  32 static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */
  33 static u32 dbg_status_msg_index;
  34 /* 0..wil->num_rx_status_rings-1 for Rx, wil->tx_sring_idx for Tx */
  35 static u32 dbg_sring_index;
  36
  37 enum dbg_off_type {
  38         doff_u32 = 0,
  39         doff_x32 = 1,
  40         doff_ulong = 2,
  41         doff_io32 = 3,
  42         doff_u8 = 4
  43 };
  44
  45 /* offset to "wil" */
  46 struct dbg_off {
  47         const char *name;
  48         umode_t mode;
  49         ulong off;
  50         enum dbg_off_type type;
  51 };
  52
  53 static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil,
  54                                 struct wil_ring *ring,
  55                                 char _s, char _h, int idx)
  56 {
  57         u8 num_of_descs;
  58         bool has_skb = false;
  59
  60         if (ring->is_rx) {
  61                 struct wil_rx_enhanced_desc *rx_d =
  62                         (struct wil_rx_enhanced_desc *)
  63                         &ring->va[idx].rx.enhanced;
  64                 u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
  65
  66                 has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
  67                 seq_printf(s, "%c", (has_skb) ? _h : _s);
  68         } else {
  69                 struct wil_tx_enhanced_desc *d =
  70                         (struct wil_tx_enhanced_desc *)
  71                         &ring->va[idx].tx.enhanced;
  72
  73                 num_of_descs = (u8)d->mac.d[2];
  74                 has_skb = ring->ctx[idx].skb;
  75                 if (num_of_descs >= 1)
  76                         seq_printf(s, "%c", ring->ctx[idx].skb ? _h : _s);
  77                 else
  78                         /* num_of_descs == 0, it's a frag in a list of descs */
  79                         seq_printf(s, "%c", has_skb ? 'h' : _s);
  80         }
  81 }
  82
  83 static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil,
  84                            const char *name, struct wil_ring *ring,
  85                            char _s, char _h)
  86 {
  87         void __iomem *x = wmi_addr(wil, ring->hwtail);
  88         u32 v;
  89
  90         seq_printf(s, "RING %s = {\n", name);
  91         seq_printf(s, "  pa     = %pad\n", &ring->pa);
  92         seq_printf(s, "  va     = 0x%p\n", ring->va);
  93         seq_printf(s, "  size   = %d\n", ring->size);
  94         if (wil->use_enhanced_dma_hw && ring->is_rx)
  95                 seq_printf(s, "  swtail = %u\n", *ring->edma_rx_swtail.va);
  96         else
  97                 seq_printf(s, "  swtail = %d\n", ring->swtail);
  98         seq_printf(s, "  swhead = %d\n", ring->swhead);
  99         seq_printf(s, "  hwtail = [0x%08x] -> ", ring->hwtail);
 100         if (x) {
 101                 v = readl(x);
 102                 seq_printf(s, "0x%08x = %d\n", v, v);
 103         } else {
 104                 seq_puts(s, "???\n");
 105         }
 106
 107         if (ring->va && (ring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
 108                 uint i;
 109
 110                 for (i = 0; i < ring->size; i++) {
 111                         if ((i % 128) == 0 && i != 0)
 112                                 seq_puts(s, "\n");
 113                         if (wil->use_enhanced_dma_hw) {
 114                                 wil_print_desc_edma(s, wil, ring, _s, _h, i);
 115                         } else {
 116                                 volatile struct vring_tx_desc *d =
 117                                         &ring->va[i].tx.legacy;
 118                                 seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
 119                                            _s : (ring->ctx[i].skb ? _h : 'h'));
 120                         }
 121                 }
 122                 seq_puts(s, "\n");
 123         }
 124         seq_puts(s, "}\n");
 125 }
 126
 127 static int wil_ring_debugfs_show(struct seq_file *s, void *data)
 128 {
 129         uint i;
 130         struct wil6210_priv *wil = s->private;
 131
 132         wil_print_ring(s, wil, "rx", &wil->ring_rx, 'S', '_');
 133
 134         for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) {
 135                 struct wil_ring *ring = &wil->ring_tx[i];
 136                 struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i];
 137
 138                 if (ring->va) {
 139                         int cid = wil->ring2cid_tid[i][0];
 140                         int tid = wil->ring2cid_tid[i][1];
 141                         u32 swhead = ring->swhead;
 142                         u32 swtail = ring->swtail;
 143                         int used = (ring->size + swhead - swtail)
 144                                    % ring->size;
 145                         int avail = ring->size - used - 1;
 146                         char name[10];
 147                         char sidle[10];
 148                         /* performance monitoring */
 149                         cycles_t now = get_cycles();
 150                         uint64_t idle = txdata->idle * 100;
 151                         uint64_t total = now - txdata->begin;
 152
 153                         if (total != 0) {
 154                                 do_div(idle, total);
 155                                 snprintf(sidle, sizeof(sidle), "%3d%%",
 156                                          (int)idle);
 157                         } else {
 158                                 snprintf(sidle, sizeof(sidle), "N/A");
 159                         }
 160                         txdata->begin = now;
 161                         txdata->idle = 0ULL;
 162
 163                         snprintf(name, sizeof(name), "tx_%2d", i);
 164
 165                         if (cid < WIL6210_MAX_CID)
 166                                 seq_printf(s,
 167                                            "\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
 168                                            wil->sta[cid].addr, cid, tid,
 169                                            txdata->dot1x_open ? "+" : "-",
 170                                            txdata->agg_wsize,
 171                                            txdata->agg_timeout,
 172                                            txdata->agg_amsdu ? "+" : "-",
 173                                            used, avail, sidle);
 174                         else
 175                                 seq_printf(s,
 176                                            "\nBroadcast 1x%s [%3d|%3d] idle %s\n",
 177                                            txdata->dot1x_open ? "+" : "-",
 178                                            used, avail, sidle);
 179
 180                         wil_print_ring(s, wil, name, ring, '_', 'H');
 181                 }
 182         }
 183
 184         return 0;
 185 }
 186
 187 static int wil_ring_seq_open(struct inode *inode, struct file *file)
 188 {
 189         return single_open(file, wil_ring_debugfs_show, inode->i_private);
 190 }
 191
 192 static const struct file_operations fops_ring = {
 193         .open           = wil_ring_seq_open,
 194         .release        = single_release,
 195         .read           = seq_read,
 196         .llseek         = seq_lseek,
 197 };
 198
 199 static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
 200                             struct wil_status_ring *sring)
 201 {
 202         void __iomem *x = wmi_addr(wil, sring->hwtail);
 203         int sring_idx = sring - wil->srings;
 204         u32 v;
 205
 206         seq_printf(s, "Status Ring %s [ %d ] = {\n",
 207                    sring->is_rx ? "RX" : "TX", sring_idx);
 208         seq_printf(s, "  pa     = %pad\n", &sring->pa);
 209         seq_printf(s, "  va     = 0x%pK\n", sring->va);
 210         seq_printf(s, "  size   = %d\n", sring->size);
 211         seq_printf(s, "  elem_size   = %zu\n", sring->elem_size);
 212         seq_printf(s, "  swhead = %d\n", sring->swhead);
 213         seq_printf(s, "  hwtail = [0x%08x] -> ", sring->hwtail);
 214         if (x) {
 215                 v = readl_relaxed(x);
 216                 seq_printf(s, "0x%08x = %d\n", v, v);
 217         } else {
 218                 seq_puts(s, "???\n");
 219         }
 220         seq_printf(s, "  desc_rdy_pol   = %d\n", sring->desc_rdy_pol);
 221
 222         if (sring->va && (sring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
 223                 uint i;
 224
 225                 for (i = 0; i < sring->size; i++) {
 226                         u32 *sdword_0 =
 227                                 (u32 *)(sring->va + (sring->elem_size * i));
 228
 229                         if ((i % 128) == 0 && i != 0)
 230                                 seq_puts(s, "\n");
 231                         if (i == sring->swhead)
 232                                 seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
 233                                            'X' : 'x');
 234                         else
 235                                 seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
 236                                            '1' : '0');
 237                 }
 238                 seq_puts(s, "\n");
 239         }
 240         seq_puts(s, "}\n");
 241 }
 242
 243 static int wil_srings_debugfs_show(struct seq_file *s, void *data)
 244 {
 245         struct wil6210_priv *wil = s->private;
 246         int i = 0;
 247
 248         for (i = 0; i < WIL6210_MAX_STATUS_RINGS; i++)
 249                 if (wil->srings[i].va)
 250                         wil_print_sring(s, wil, &wil->srings[i]);
 251
 252         return 0;
 253 }
 254
 255 static int wil_srings_seq_open(struct inode *inode, struct file *file)
 256 {
 257         return single_open(file, wil_srings_debugfs_show, inode->i_private);
 258 }
 259
 260 static const struct file_operations fops_srings = {
 261         .open           = wil_srings_seq_open,
 262         .release        = single_release,
 263         .read           = seq_read,
 264         .llseek         = seq_lseek,
 265 };
 266
 267 static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
 268                             const char *prefix)
 269 {
 270         seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false);
 271 }
 272
 273 static void wil_print_mbox_ring(struct seq_file *s, const char *prefix,
 274                                 void __iomem *off)
 275 {
 276         struct wil6210_priv *wil = s->private;
 277         struct wil6210_mbox_ring r;
 278         int rsize;
 279         uint i;
 280
 281         wil_halp_vote(wil);
 282
 283         wil_memcpy_fromio_32(&r, off, sizeof(r));
 284         wil_mbox_ring_le2cpus(&r);
 285         /*
 286          * we just read memory block from NIC. This memory may be
 287          * garbage. Check validity before using it.
 288          */
 289         rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
 290
 291         seq_printf(s, "ring %s = {\n", prefix);
 292         seq_printf(s, "  base = 0x%08x\n", r.base);
 293         seq_printf(s, "  size = 0x%04x bytes -> %d entries\n", r.size, rsize);
 294         seq_printf(s, "  tail = 0x%08x\n", r.tail);
 295         seq_printf(s, "  head = 0x%08x\n", r.head);
 296         seq_printf(s, "  entry size = %d\n", r.entry_size);
 297
 298         if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
 299                 seq_printf(s, "  ??? size is not multiple of %zd, garbage?\n",
 300                            sizeof(struct wil6210_mbox_ring_desc));
 301                 goto out;
 302         }
 303
 304         if (!wmi_addr(wil, r.base) ||
 305             !wmi_addr(wil, r.tail) ||
 306             !wmi_addr(wil, r.head)) {
 307                 seq_puts(s, "  ??? pointers are garbage?\n");
 308                 goto out;
 309         }
 310
 311         for (i = 0; i < rsize; i++) {
 312                 struct wil6210_mbox_ring_desc d;
 313                 struct wil6210_mbox_hdr hdr;
 314                 size_t delta = i * sizeof(d);
 315                 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
 316
 317                 wil_memcpy_fromio_32(&d, x, sizeof(d));
 318
 319                 seq_printf(s, "  [%2x] %s %s%s 0x%08x", i,
 320                            d.sync ? "F" : "E",
 321                            (r.tail - r.base == delta) ? "t" : " ",
 322                            (r.head - r.base == delta) ? "h" : " ",
 323                            le32_to_cpu(d.addr));
 324                 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
 325                         u16 len = le16_to_cpu(hdr.len);
 326
 327                         seq_printf(s, " -> %04x %04x %04x %02x\n",
 328                                    le16_to_cpu(hdr.seq), len,
 329                                    le16_to_cpu(hdr.type), hdr.flags);
 330                         if (len <= MAX_MBOXITEM_SIZE) {
 331                                 unsigned char databuf[MAX_MBOXITEM_SIZE];
 332                                 void __iomem *src = wmi_buffer(wil, d.addr) +
 333                                         sizeof(struct wil6210_mbox_hdr);
 334                                 /*
 335                                  * No need to check @src for validity -
 336                                  * we already validated @d.addr while
 337                                  * reading header
 338                                  */
 339                                 wil_memcpy_fromio_32(databuf, src, len);
 340                                 wil_seq_hexdump(s, databuf, len, "      : ");
 341                         }
 342                 } else {
 343                         seq_puts(s, "\n");
 344                 }
 345         }
 346  out:
 347         seq_puts(s, "}\n");
 348         wil_halp_unvote(wil);
 349 }
 350
 351 static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
 352 {
 353         struct wil6210_priv *wil = s->private;
 354         int ret;
 355
 356         ret = wil_pm_runtime_get(wil);
 357         if (ret < 0)
 358                 return ret;
 359
 360         wil_print_mbox_ring(s, "tx", wil->csr + HOST_MBOX +
 361                        offsetof(struct wil6210_mbox_ctl, tx));
 362         wil_print_mbox_ring(s, "rx", wil->csr + HOST_MBOX +
 363                        offsetof(struct wil6210_mbox_ctl, rx));
 364
 365         wil_pm_runtime_put(wil);
 366
 367         return 0;
 368 }
 369
 370 static int wil_mbox_seq_open(struct inode *inode, struct file *file)
 371 {
 372         return single_open(file, wil_mbox_debugfs_show, inode->i_private);
 373 }
 374
 375 static const struct file_operations fops_mbox = {
 376         .open           = wil_mbox_seq_open,
 377         .release        = single_release,
 378         .read           = seq_read,
 379         .llseek         = seq_lseek,
 380 };
 381
 382 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
 383 {
 384         struct wil_debugfs_iomem_data *d = (struct
 385                                             wil_debugfs_iomem_data *)data;
 386         struct wil6210_priv *wil = d->wil;
 387         int ret;
 388
 389         ret = wil_pm_runtime_get(wil);
 390         if (ret < 0)
 391                 return ret;
 392
 393         writel(val, (void __iomem *)d->offset);
 394         wmb(); /* make sure write propagated to HW */
 395
 396         wil_pm_runtime_put(wil);
 397
 398         return 0;
 399 }
 400
 401 static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
 402 {
 403         struct wil_debugfs_iomem_data *d = (struct
 404                                             wil_debugfs_iomem_data *)data;
 405         struct wil6210_priv *wil = d->wil;
 406         int ret;
 407
 408         ret = wil_pm_runtime_get(wil);
 409         if (ret < 0)
 410                 return ret;
 411
 412         *val = readl((void __iomem *)d->offset);
 413
 414         wil_pm_runtime_put(wil);
 415
 416         return 0;
 417 }
 418
 419 DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 420                         wil_debugfs_iomem_x32_set, "0x%08llx\n");
 421
 422 static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
 423                                                    umode_t mode,
 424                                                    struct dentry *parent,
 425                                                    void *value,
 426                                                    struct wil6210_priv *wil)
 427 {
 428         struct dentry *file;
 429         struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[
 430                                               wil->dbg_data.iomem_data_count];
 431
 432         data->wil = wil;
 433         data->offset = value;
 434
 435         file = debugfs_create_file(name, mode, parent, data, &fops_iomem_x32);
 436         if (!IS_ERR_OR_NULL(file))
 437                 wil->dbg_data.iomem_data_count++;
 438
 439         return file;
 440 }
 441
 442 static int wil_debugfs_ulong_set(void *data, u64 val)
 443 {
 444         *(ulong *)data = val;
 445         return 0;
 446 }
 447
 448 static int wil_debugfs_ulong_get(void *data, u64 *val)
 449 {
 450         *val = *(ulong *)data;
 451         return 0;
 452 }
 453
 454 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
 455                         wil_debugfs_ulong_set, "0x%llx\n");
 456
 457 static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
 458                                                struct dentry *parent,
 459                                                ulong *value)
 460 {
 461         return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
 462 }
 463
 464 /**
 465  * wil6210_debugfs_init_offset - create set of debugfs files
 466  * @wil - driver's context, used for printing
 467  * @dbg - directory on the debugfs, where files will be created
 468  * @base - base address used in address calculation
 469  * @tbl - table with file descriptions. Should be terminated with empty element.
 470  *
 471  * Creates files accordingly to the @tbl.
 472  */
 473 static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
 474                                         struct dentry *dbg, void *base,
 475                                         const struct dbg_off * const tbl)
 476 {
 477         int i;
 478
 479         for (i = 0; tbl[i].name; i++) {
 480                 struct dentry *f;
 481
 482                 switch (tbl[i].type) {
 483                 case doff_u32:
 484                         f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
 485                                                base + tbl[i].off);
 486                         break;
 487                 case doff_x32:
 488                         f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
 489                                                base + tbl[i].off);
 490                         break;
 491                 case doff_ulong:
 492                         f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
 493                                                      dbg, base + tbl[i].off);
 494                         break;
 495                 case doff_io32:
 496                         f = wil_debugfs_create_iomem_x32(tbl[i].name,
 497                                                          tbl[i].mode, dbg,
 498                                                          base + tbl[i].off,
 499                                                          wil);
 500                         break;
 501                 case doff_u8:
 502                         f = debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg,
 503                                               base + tbl[i].off);
 504                         break;
 505                 default:
 506                         f = ERR_PTR(-EINVAL);
 507                 }
 508                 if (IS_ERR_OR_NULL(f))
 509                         wil_err(wil, "Create file \"%s\": err %ld\n",
 510                                 tbl[i].name, PTR_ERR(f));
 511         }
 512 }
 513
 514 static const struct dbg_off isr_off[] = {
 515         {"ICC", 0644, offsetof(struct RGF_ICR, ICC), doff_io32},
 516         {"ICR", 0644, offsetof(struct RGF_ICR, ICR), doff_io32},
 517         {"ICM", 0644, offsetof(struct RGF_ICR, ICM), doff_io32},
 518         {"ICS", 0244, offsetof(struct RGF_ICR, ICS), doff_io32},
 519         {"IMV", 0644, offsetof(struct RGF_ICR, IMV), doff_io32},
 520         {"IMS", 0244, offsetof(struct RGF_ICR, IMS), doff_io32},
 521         {"IMC", 0244, offsetof(struct RGF_ICR, IMC), doff_io32},
 522         {},
 523 };
 524
 525 static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
 526                                       const char *name,
 527                                       struct dentry *parent, u32 off)
 528 {
 529         struct dentry *d = debugfs_create_dir(name, parent);
 530
 531         if (IS_ERR_OR_NULL(d))
 532                 return -ENODEV;
 533
 534         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
 535                                     isr_off);
 536
 537         return 0;
 538 }
 539
 540 static const struct dbg_off pseudo_isr_off[] = {
 541         {"CAUSE",   0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
 542         {"MASK_SW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
 543         {"MASK_FW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
 544         {},
 545 };
 546
 547 static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
 548                                              struct dentry *parent)
 549 {
 550         struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
 551
 552         if (IS_ERR_OR_NULL(d))
 553                 return -ENODEV;
 554
 555         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 556                                     pseudo_isr_off);
 557
 558         return 0;
 559 }
 560
 561 static const struct dbg_off lgc_itr_cnt_off[] = {
 562         {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
 563         {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
 564         {"CTL",  0644, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
 565         {},
 566 };
 567
 568 static const struct dbg_off tx_itr_cnt_off[] = {
 569         {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
 570          doff_io32},
 571         {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
 572          doff_io32},
 573         {"CTL",  0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
 574          doff_io32},
 575         {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
 576          doff_io32},
 577         {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
 578          doff_io32},
 579         {"IDL_CTL",  0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
 580          doff_io32},
 581         {},
 582 };
 583
 584 static const struct dbg_off rx_itr_cnt_off[] = {
 585         {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
 586          doff_io32},
 587         {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
 588          doff_io32},
 589         {"CTL",  0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
 590          doff_io32},
 591         {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
 592          doff_io32},
 593         {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
 594          doff_io32},
 595         {"IDL_CTL",  0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
 596          doff_io32},
 597         {},
 598 };
 599
 600 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
 601                                           struct dentry *parent)
 602 {
 603         struct dentry *d, *dtx, *drx;
 604
 605         d = debugfs_create_dir("ITR_CNT", parent);
 606         if (IS_ERR_OR_NULL(d))
 607                 return -ENODEV;
 608
 609         dtx = debugfs_create_dir("TX", d);
 610         drx = debugfs_create_dir("RX", d);
 611         if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx))
 612                 return -ENODEV;
 613
 614         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 615                                     lgc_itr_cnt_off);
 616
 617         wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
 618                                     tx_itr_cnt_off);
 619
 620         wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
 621                                     rx_itr_cnt_off);
 622         return 0;
 623 }
 624
 625 static int wil_memread_debugfs_show(struct seq_file *s, void *data)
 626 {
 627         struct wil6210_priv *wil = s->private;
 628         void __iomem *a;
 629         int ret;
 630
 631         ret = wil_pm_runtime_get(wil);
 632         if (ret < 0)
 633                 return ret;
 634
 635         a = wmi_buffer(wil, cpu_to_le32(mem_addr));
 636
 637         if (a)
 638                 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a));
 639         else
 640                 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
 641
 642         wil_pm_runtime_put(wil);
 643
 644         return 0;
 645 }
 646
 647 static int wil_memread_seq_open(struct inode *inode, struct file *file)
 648 {
 649         return single_open(file, wil_memread_debugfs_show, inode->i_private);
 650 }
 651
 652 static const struct file_operations fops_memread = {
 653         .open           = wil_memread_seq_open,
 654         .release        = single_release,
 655         .read           = seq_read,
 656         .llseek         = seq_lseek,
 657 };
 658
 659 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
 660                                     size_t count, loff_t *ppos)
 661 {
 662         enum { max_count = 4096 };
 663         struct wil_blob_wrapper *wil_blob = file->private_data;
 664         struct wil6210_priv *wil = wil_blob->wil;
 665         loff_t aligned_pos, pos = *ppos;
 666         size_t available = wil_blob->blob.size;
 667         void *buf;
 668         size_t unaligned_bytes, aligned_count, ret;
 669         int rc;
 670
 671         if (test_bit(wil_status_suspending, wil_blob->wil->status) ||
 672             test_bit(wil_status_suspended, wil_blob->wil->status))
 673                 return 0;
 674
 675         if (pos < 0)
 676                 return -EINVAL;
 677
 678         if (pos >= available || !count)
 679                 return 0;
 680
 681         if (count > available - pos)
 682                 count = available - pos;
 683         if (count > max_count)
 684                 count = max_count;
 685
 686         /* set pos to 4 bytes aligned */
 687         unaligned_bytes = pos % 4;
 688         aligned_pos = pos - unaligned_bytes;
 689         aligned_count = count + unaligned_bytes;
 690
 691         buf = kmalloc(aligned_count, GFP_KERNEL);
 692         if (!buf)
 693                 return -ENOMEM;
 694
 695         rc = wil_pm_runtime_get(wil);
 696         if (rc < 0) {
 697                 kfree(buf);
 698                 return rc;
 699         }
 700
 701         wil_memcpy_fromio_32(buf, (const void __iomem *)
 702                              wil_blob->blob.data + aligned_pos, aligned_count);
 703
 704         ret = copy_to_user(user_buf, buf + unaligned_bytes, count);
 705
 706         wil_pm_runtime_put(wil);
 707
 708         kfree(buf);
 709         if (ret == count)
 710                 return -EFAULT;
 711
 712         count -= ret;
 713         *ppos = pos + count;
 714
 715         return count;
 716 }
 717
 718 static const struct file_operations fops_ioblob = {
 719         .read =         wil_read_file_ioblob,
 720         .open =         simple_open,
 721         .llseek =       default_llseek,
 722 };
 723
 724 static
 725 struct dentry *wil_debugfs_create_ioblob(const char *name,
 726                                          umode_t mode,
 727                                          struct dentry *parent,
 728                                          struct wil_blob_wrapper *wil_blob)
 729 {
 730         return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob);
 731 }
 732
 733 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
 734 static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
 735                                    size_t len, loff_t *ppos)
 736 {
 737         struct wil6210_priv *wil = file->private_data;
 738         int rc;
 739         long channel;
 740         bool on;
 741
 742         char *kbuf = memdup_user_nul(buf, len);
 743
 744         if (IS_ERR(kbuf))
 745                 return PTR_ERR(kbuf);
 746         rc = kstrtol(kbuf, 0, &channel);
 747         kfree(kbuf);
 748         if (rc)
 749                 return rc;
 750
 751         if ((channel < 0) || (channel > 4)) {
 752                 wil_err(wil, "Invalid channel %ld\n", channel);
 753                 return -EINVAL;
 754         }
 755         on = !!channel;
 756
 757         if (on) {
 758                 rc = wmi_set_channel(wil, (int)channel);
 759                 if (rc)
 760                         return rc;
 761         }
 762
 763         rc = wmi_rxon(wil, on);
 764         if (rc)
 765                 return rc;
 766
 767         return len;
 768 }
 769
 770 static const struct file_operations fops_rxon = {
 771         .write = wil_write_file_rxon,
 772         .open  = simple_open,
 773 };
 774
 775 /* block ack control, write:
 776  * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
 777  * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
 778  * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
 779  */
 780 static ssize_t wil_write_back(struct file *file, const char __user *buf,
 781                               size_t len, loff_t *ppos)
 782 {
 783         struct wil6210_priv *wil = file->private_data;
 784         int rc;
 785         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 786         char cmd[9];
 787         int p1, p2, p3;
 788
 789         if (!kbuf)
 790                 return -ENOMEM;
 791
 792         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
 793         if (rc != len) {
 794                 kfree(kbuf);
 795                 return rc >= 0 ? -EIO : rc;
 796         }
 797
 798         kbuf[len] = '\0';
 799         rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
 800         kfree(kbuf);
 801
 802         if (rc < 0)
 803                 return rc;
 804         if (rc < 2)
 805                 return -EINVAL;
 806
 807         if ((strcmp(cmd, "add") == 0) ||
 808             (strcmp(cmd, "del_tx") == 0)) {
 809                 struct wil_ring_tx_data *txdata;
 810
 811                 if (p1 < 0 || p1 >= WIL6210_MAX_TX_RINGS) {
 812                         wil_err(wil, "BACK: invalid ring id %d\n", p1);
 813                         return -EINVAL;
 814                 }
 815                 txdata = &wil->ring_tx_data[p1];
 816                 if (strcmp(cmd, "add") == 0) {
 817                         if (rc < 3) {
 818                                 wil_err(wil, "BACK: add require at least 2 params\n");
 819                                 return -EINVAL;
 820                         }
 821                         if (rc < 4)
 822                                 p3 = 0;
 823                         wmi_addba(wil, txdata->mid, p1, p2, p3);
 824                 } else {
 825                         if (rc < 3)
 826                                 p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
 827                         wmi_delba_tx(wil, txdata->mid, p1, p2);
 828                 }
 829         } else if (strcmp(cmd, "del_rx") == 0) {
 830                 struct wil_sta_info *sta;
 831
 832                 if (rc < 3) {
 833                         wil_err(wil,
 834                                 "BACK: del_rx require at least 2 params\n");
 835                         return -EINVAL;
 836                 }
 837                 if (p1 < 0 || p1 >= WIL6210_MAX_CID) {
 838                         wil_err(wil, "BACK: invalid CID %d\n", p1);
 839                         return -EINVAL;
 840                 }
 841                 if (rc < 4)
 842                         p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
 843                 sta = &wil->sta[p1];
 844                 wmi_delba_rx(wil, sta->mid, mk_cidxtid(p1, p2), p3);
 845         } else {
 846                 wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
 847                 return -EINVAL;
 848         }
 849
 850         return len;
 851 }
 852
 853 static ssize_t wil_read_back(struct file *file, char __user *user_buf,
 854                              size_t count, loff_t *ppos)
 855 {
 856         static const char text[] = "block ack control, write:\n"
 857         " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
 858         "If missing, <timeout> defaults to 0\n"
 859         " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
 860         " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
 861         "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
 862
 863         return simple_read_from_buffer(user_buf, count, ppos, text,
 864                                        sizeof(text));
 865 }
 866
 867 static const struct file_operations fops_back = {
 868         .read = wil_read_back,
 869         .write = wil_write_back,
 870         .open  = simple_open,
 871 };
 872
 873 /* pmc control, write:
 874  * - "alloc <num descriptors> <descriptor_size>" to allocate PMC
 875  * - "free" to release memory allocated for PMC
 876  */
 877 static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
 878                                 size_t len, loff_t *ppos)
 879 {
 880         struct wil6210_priv *wil = file->private_data;
 881         int rc;
 882         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 883         char cmd[9];
 884         int num_descs, desc_size;
 885
 886         if (!kbuf)
 887                 return -ENOMEM;
 888
 889         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
 890         if (rc != len) {
 891                 kfree(kbuf);
 892                 return rc >= 0 ? -EIO : rc;
 893         }
 894
 895         kbuf[len] = '\0';
 896         rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
 897         kfree(kbuf);
 898
 899         if (rc < 0)
 900                 return rc;
 901
 902         if (rc < 1) {
 903                 wil_err(wil, "pmccfg: no params given\n");
 904                 return -EINVAL;
 905         }
 906
 907         if (0 == strcmp(cmd, "alloc")) {
 908                 if (rc != 3) {
 909                         wil_err(wil, "pmccfg: alloc requires 2 params\n");
 910                         return -EINVAL;
 911                 }
 912                 wil_pmc_alloc(wil, num_descs, desc_size);
 913         } else if (0 == strcmp(cmd, "free")) {
 914                 if (rc != 1) {
 915                         wil_err(wil, "pmccfg: free does not have any params\n");
 916                         return -EINVAL;
 917                 }
 918                 wil_pmc_free(wil, true);
 919         } else {
 920                 wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
 921                 return -EINVAL;
 922         }
 923
 924         return len;
 925 }
 926
 927 static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
 928                                size_t count, loff_t *ppos)
 929 {
 930         struct wil6210_priv *wil = file->private_data;
 931         char text[256];
 932         char help[] = "pmc control, write:\n"
 933         " - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
 934         " - \"free\" to free memory allocated for pmc\n";
 935
 936         sprintf(text, "Last command status: %d\n\n%s",
 937                 wil_pmc_last_cmd_status(wil),
 938                 help);
 939
 940         return simple_read_from_buffer(user_buf, count, ppos, text,
 941                                        strlen(text) + 1);
 942 }
 943
 944 static const struct file_operations fops_pmccfg = {
 945         .read = wil_read_pmccfg,
 946         .write = wil_write_pmccfg,
 947         .open  = simple_open,
 948 };
 949
 950 static const struct file_operations fops_pmcdata = {
 951         .open           = simple_open,
 952         .read           = wil_pmc_read,
 953         .llseek         = wil_pmc_llseek,
 954 };
 955
 956 /*---tx_mgmt---*/
 957 /* Write mgmt frame to this file to send it */
 958 static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
 959                                      size_t len, loff_t *ppos)
 960 {
 961         struct wil6210_priv *wil = file->private_data;
 962         struct wiphy *wiphy = wil_to_wiphy(wil);
 963         struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
 964         struct cfg80211_mgmt_tx_params params;
 965         int rc;
 966         void *frame;
 967
 968         memset(&params, 0, sizeof(params));
 969
 970         if (!len)
 971                 return -EINVAL;
 972
 973         frame = memdup_user(buf, len);
 974         if (IS_ERR(frame))
 975                 return PTR_ERR(frame);
 976
 977         params.buf = frame;
 978         params.len = len;
 979
 980         rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
 981
 982         kfree(frame);
 983         wil_info(wil, "-> %d\n", rc);
 984
 985         return len;
 986 }
 987
 988 static const struct file_operations fops_txmgmt = {
 989         .write = wil_write_file_txmgmt,
 990         .open  = simple_open,
 991 };
 992
 993 /* Write WMI command (w/o mbox header) to this file to send it
 994  * WMI starts from wil6210_mbox_hdr_wmi header
 995  */
 996 static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
 997                                   size_t len, loff_t *ppos)
 998 {
 999         struct wil6210_priv *wil = file->private_data;
1000         struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1001         struct wmi_cmd_hdr *wmi;
1002         void *cmd;
1003         int cmdlen = len - sizeof(struct wmi_cmd_hdr);
1004         u16 cmdid;
1005         int rc, rc1;
1006
1007         if (cmdlen < 0)
1008                 return -EINVAL;
1009
1010         wmi = kmalloc(len, GFP_KERNEL);
1011         if (!wmi)
1012                 return -ENOMEM;
1013
1014         rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
1015         if (rc < 0) {
1016                 kfree(wmi);
1017                 return rc;
1018         }
1019
1020         cmd = (cmdlen > 0) ? &wmi[1] : NULL;
1021         cmdid = le16_to_cpu(wmi->command_id);
1022
1023         rc1 = wmi_send(wil, cmdid, vif->mid, cmd, cmdlen);
1024         kfree(wmi);
1025
1026         wil_info(wil, "0x%04x[%d] -> %d\n", cmdid, cmdlen, rc1);
1027
1028         return rc;
1029 }
1030
1031 static const struct file_operations fops_wmi = {
1032         .write = wil_write_file_wmi,
1033         .open  = simple_open,
1034 };
1035
1036 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
1037 {
1038         int i = 0;
1039         int len = skb_headlen(skb);
1040         void *p = skb->data;
1041         int nr_frags = skb_shinfo(skb)->nr_frags;
1042
1043         seq_printf(s, "    len = %d\n", len);
1044         wil_seq_hexdump(s, p, len, "      : ");
1045
1046         if (nr_frags) {
1047                 seq_printf(s, "    nr_frags = %d\n", nr_frags);
1048                 for (i = 0; i < nr_frags; i++) {
1049                         const struct skb_frag_struct *frag =
1050                                         &skb_shinfo(skb)->frags[i];
1051
1052                         len = skb_frag_size(frag);
1053                         p = skb_frag_address_safe(frag);
1054                         seq_printf(s, "    [%2d] : len = %d\n", i, len);
1055                         wil_seq_hexdump(s, p, len, "      : ");
1056                 }
1057         }
1058 }
1059
1060 /*---------Tx/Rx descriptor------------*/
1061 static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
1062 {
1063         struct wil6210_priv *wil = s->private;
1064         struct wil_ring *ring;
1065         bool tx;
1066         int ring_idx = dbg_ring_index;
1067         int txdesc_idx = dbg_txdesc_index;
1068         volatile struct vring_tx_desc *d;
1069         volatile u32 *u;
1070         struct sk_buff *skb;
1071
1072         if (wil->use_enhanced_dma_hw) {
1073                 /* RX ring index == 0 */
1074                 if (ring_idx >= WIL6210_MAX_TX_RINGS) {
1075                         seq_printf(s, "invalid ring index %d\n", ring_idx);
1076                         return 0;
1077                 }
1078                 tx = ring_idx > 0; /* desc ring 0 is reserved for RX */
1079         } else {
1080                 /* RX ring index == WIL6210_MAX_TX_RINGS */
1081                 if (ring_idx > WIL6210_MAX_TX_RINGS) {
1082                         seq_printf(s, "invalid ring index %d\n", ring_idx);
1083                         return 0;
1084                 }
1085                 tx = (ring_idx < WIL6210_MAX_TX_RINGS);
1086         }
1087
1088         ring = tx ? &wil->ring_tx[ring_idx] : &wil->ring_rx;
1089
1090         if (!ring->va) {
1091                 if (tx)
1092                         seq_printf(s, "No Tx[%2d] RING\n", ring_idx);
1093                 else
1094                         seq_puts(s, "No Rx RING\n");
1095                 return 0;
1096         }
1097
1098         if (txdesc_idx >= ring->size) {
1099                 if (tx)
1100                         seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
1101                                    ring_idx, txdesc_idx, ring->size);
1102                 else
1103                         seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
1104                                    txdesc_idx, ring->size);
1105                 return 0;
1106         }
1107
1108         /* use struct vring_tx_desc for Rx as well,
1109          * only field used, .dma.length, is the same
1110          */
1111         d = &ring->va[txdesc_idx].tx.legacy;
1112         u = (volatile u32 *)d;
1113         skb = NULL;
1114
1115         if (wil->use_enhanced_dma_hw) {
1116                 if (tx) {
1117                         skb = ring->ctx[txdesc_idx].skb;
1118                 } else {
1119                         struct wil_rx_enhanced_desc *rx_d =
1120                                 (struct wil_rx_enhanced_desc *)
1121                                 &ring->va[txdesc_idx].rx.enhanced;
1122                         u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
1123
1124                         if (!wil_val_in_range(buff_id, 0,
1125                                               wil->rx_buff_mgmt.size)) {
1126                                 seq_printf(s, "invalid buff_id %d\n", buff_id);
1127                                 return 0;
1128                         }
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
1155 static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
1156 {
1157         return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
1158 }
1159
1160 static const struct file_operations fops_txdesc = {
1161         .open           = wil_txdesc_seq_open,
1162         .release        = single_release,
1163         .read           = seq_read,
1164         .llseek         = seq_lseek,
1165 };
1166
1167 /*---------Tx/Rx status message------------*/
1168 static int wil_status_msg_debugfs_show(struct seq_file *s, void *data)
1169 {
1170         struct wil6210_priv *wil = s->private;
1171         int sring_idx = dbg_sring_index;
1172         struct wil_status_ring *sring;
1173         bool tx = sring_idx == wil->tx_sring_idx ? 1 : 0;
1174         u32 status_msg_idx = dbg_status_msg_index;
1175         u32 *u;
1176
1177         if (sring_idx >= WIL6210_MAX_STATUS_RINGS) {
1178                 seq_printf(s, "invalid status ring index %d\n", sring_idx);
1179                 return 0;
1180         }
1181
1182         sring = &wil->srings[sring_idx];
1183
1184         if (!sring->va) {
1185                 seq_printf(s, "No %cX status ring\n", tx ? 'T' : 'R');
1186                 return 0;
1187         }
1188
1189         if (status_msg_idx >= sring->size) {
1190                 seq_printf(s, "%cxDesc index (%d) >= size (%d)\n",
1191                            tx ? 'T' : 'R', status_msg_idx, sring->size);
1192                 return 0;
1193         }
1194
1195         u = sring->va + (sring->elem_size * status_msg_idx);
1196
1197         seq_printf(s, "%cx[%d][%3d] = {\n",
1198                    tx ? 'T' : 'R', sring_idx, status_msg_idx);
1199
1200         seq_printf(s, "  0x%08x 0x%08x 0x%08x 0x%08x\n",
1201                    u[0], u[1], u[2], u[3]);
1202         if (!tx && !wil->use_compressed_rx_status)
1203                 seq_printf(s, "  0x%08x 0x%08x 0x%08x 0x%08x\n",
1204                            u[4], u[5], u[6], u[7]);
1205
1206         seq_puts(s, "}\n");
1207
1208         return 0;
1209 }
1210
1211 static int wil_status_msg_seq_open(struct inode *inode, struct file *file)
1212 {
1213         return single_open(file, wil_status_msg_debugfs_show,
1214                            inode->i_private);
1215 }
1216
1217 static const struct file_operations fops_status_msg = {
1218         .open           = wil_status_msg_seq_open,
1219         .release        = single_release,
1220         .read           = seq_read,
1221         .llseek         = seq_lseek,
1222 };
1223
1224 static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh)
1225 {
1226         struct wil_rx_buff *it;
1227         int i = 0;
1228
1229         list_for_each_entry(it, lh, list) {
1230                 if ((i % 16) == 0 && i != 0)
1231                         seq_puts(s, "\n    ");
1232                 seq_printf(s, "[%4d] ", it->id);
1233                 i++;
1234         }
1235         seq_printf(s, "\nNumber of buffers: %u\n", i);
1236
1237         return i;
1238 }
1239
1240 static int wil_rx_buff_mgmt_debugfs_show(struct seq_file *s, void *data)
1241 {
1242         struct wil6210_priv *wil = s->private;
1243         struct wil_rx_buff_mgmt *rbm = &wil->rx_buff_mgmt;
1244         int num_active;
1245         int num_free;
1246
1247         if (!rbm->buff_arr)
1248                 return -EINVAL;
1249
1250         seq_printf(s, "  size = %zu\n", rbm->size);
1251         seq_printf(s, "  free_list_empty_cnt = %lu\n",
1252                    rbm->free_list_empty_cnt);
1253
1254         /* Print active list */
1255         seq_puts(s, "  Active list:\n");
1256         num_active = wil_print_rx_buff(s, &rbm->active);
1257         seq_puts(s, "\n  Free list:\n");
1258         num_free = wil_print_rx_buff(s, &rbm->free);
1259
1260         seq_printf(s, "  Total number of buffers: %u\n",
1261                    num_active + num_free);
1262
1263         return 0;
1264 }
1265
1266 static int wil_rx_buff_mgmt_seq_open(struct inode *inode, struct file *file)
1267 {
1268         return single_open(file, wil_rx_buff_mgmt_debugfs_show,
1269                            inode->i_private);
1270 }
1271
1272 static const struct file_operations fops_rx_buff_mgmt = {
1273         .open           = wil_rx_buff_mgmt_seq_open,
1274         .release        = single_release,
1275         .read           = seq_read,
1276         .llseek         = seq_lseek,
1277 };
1278
1279 /*---------beamforming------------*/
1280 static char *wil_bfstatus_str(u32 status)
1281 {
1282         switch (status) {
1283         case 0:
1284                 return "Failed";
1285         case 1:
1286                 return "OK";
1287         case 2:
1288                 return "Retrying";
1289         default:
1290                 return "??";
1291         }
1292 }
1293
1294 static bool is_all_zeros(void * const x_, size_t sz)
1295 {
1296         /* if reply is all-0, ignore this CID */
1297         u32 *x = x_;
1298         int n;
1299
1300         for (n = 0; n < sz / sizeof(*x); n++)
1301                 if (x[n])
1302                         return false;
1303
1304         return true;
1305 }
1306
1307 static int wil_bf_debugfs_show(struct seq_file *s, void *data)
1308 {
1309         int rc;
1310         int i;
1311         struct wil6210_priv *wil = s->private;
1312         struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1313         struct wmi_notify_req_cmd cmd = {
1314                 .interval_usec = 0,
1315         };
1316         struct {
1317                 struct wmi_cmd_hdr wmi;
1318                 struct wmi_notify_req_done_event evt;
1319         } __packed reply;
1320
1321         memset(&reply, 0, sizeof(reply));
1322
1323         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1324                 u32 status;
1325
1326                 cmd.cid = i;
1327                 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
1328                               &cmd, sizeof(cmd),
1329                               WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
1330                               sizeof(reply), 20);
1331                 /* if reply is all-0, ignore this CID */
1332                 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
1333                         continue;
1334
1335                 status = le32_to_cpu(reply.evt.status);
1336                 seq_printf(s, "CID %d {\n"
1337                            "  TSF = 0x%016llx\n"
1338                            "  TxMCS = %2d TxTpt = %4d\n"
1339                            "  SQI = %4d\n"
1340                            "  RSSI = %4d\n"
1341                            "  Status = 0x%08x %s\n"
1342                            "  Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
1343                            "  Goodput(rx:tx) %4d:%4d\n"
1344                            "}\n",
1345                            i,
1346                            le64_to_cpu(reply.evt.tsf),
1347                            le16_to_cpu(reply.evt.bf_mcs),
1348                            le32_to_cpu(reply.evt.tx_tpt),
1349                            reply.evt.sqi,
1350                            reply.evt.rssi,
1351                            status, wil_bfstatus_str(status),
1352                            le16_to_cpu(reply.evt.my_rx_sector),
1353                            le16_to_cpu(reply.evt.my_tx_sector),
1354                            le16_to_cpu(reply.evt.other_rx_sector),
1355                            le16_to_cpu(reply.evt.other_tx_sector),
1356                            le32_to_cpu(reply.evt.rx_goodput),
1357                            le32_to_cpu(reply.evt.tx_goodput));
1358         }
1359         return 0;
1360 }
1361
1362 static int wil_bf_seq_open(struct inode *inode, struct file *file)
1363 {
1364         return single_open(file, wil_bf_debugfs_show, inode->i_private);
1365 }
1366
1367 static const struct file_operations fops_bf = {
1368         .open           = wil_bf_seq_open,
1369         .release        = single_release,
1370         .read           = seq_read,
1371         .llseek         = seq_lseek,
1372 };
1373
1374 /*---------temp------------*/
1375 static void print_temp(struct seq_file *s, const char *prefix, s32 t)
1376 {
1377         switch (t) {
1378         case 0:
1379         case ~(u32)0:
1380                 seq_printf(s, "%s N/A\n", prefix);
1381         break;
1382         default:
1383                 seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""),
1384                            abs(t / 1000), abs(t % 1000));
1385                 break;
1386         }
1387 }
1388
1389 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
1390 {
1391         struct wil6210_priv *wil = s->private;
1392         s32 t_m, t_r;
1393         int rc = wmi_get_temperature(wil, &t_m, &t_r);
1394
1395         if (rc) {
1396                 seq_puts(s, "Failed\n");
1397                 return 0;
1398         }
1399
1400         print_temp(s, "T_mac   =", t_m);
1401         print_temp(s, "T_radio =", t_r);
1402
1403         return 0;
1404 }
1405
1406 static int wil_temp_seq_open(struct inode *inode, struct file *file)
1407 {
1408         return single_open(file, wil_temp_debugfs_show, inode->i_private);
1409 }
1410
1411 static const struct file_operations fops_temp = {
1412         .open           = wil_temp_seq_open,
1413         .release        = single_release,
1414         .read           = seq_read,
1415         .llseek         = seq_lseek,
1416 };
1417
1418 /*---------freq------------*/
1419 static int wil_freq_debugfs_show(struct seq_file *s, void *data)
1420 {
1421         struct wil6210_priv *wil = s->private;
1422         struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
1423         u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
1424
1425         seq_printf(s, "Freq = %d\n", freq);
1426
1427         return 0;
1428 }
1429
1430 static int wil_freq_seq_open(struct inode *inode, struct file *file)
1431 {
1432         return single_open(file, wil_freq_debugfs_show, inode->i_private);
1433 }
1434
1435 static const struct file_operations fops_freq = {
1436         .open           = wil_freq_seq_open,
1437         .release        = single_release,
1438         .read           = seq_read,
1439         .llseek         = seq_lseek,
1440 };
1441
1442 /*---------link------------*/
1443 static int wil_link_debugfs_show(struct seq_file *s, void *data)
1444 {
1445         struct wil6210_priv *wil = s->private;
1446         struct station_info *sinfo;
1447         int i, rc = 0;
1448
1449         sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
1450         if (!sinfo)
1451                 return -ENOMEM;
1452
1453         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1454                 struct wil_sta_info *p = &wil->sta[i];
1455                 char *status = "unknown";
1456                 struct wil6210_vif *vif;
1457                 u8 mid;
1458
1459                 switch (p->status) {
1460                 case wil_sta_unused:
1461                         status = "unused   ";
1462                         break;
1463                 case wil_sta_conn_pending:
1464                         status = "pending  ";
1465                         break;
1466                 case wil_sta_connected:
1467                         status = "connected";
1468                         break;
1469                 }
1470                 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1471                 seq_printf(s, "[%d][MID %d] %pM %s\n",
1472                            i, mid, p->addr, status);
1473
1474                 if (p->status != wil_sta_connected)
1475                         continue;
1476
1477                 vif = (mid < wil->max_vifs) ? wil->vifs[mid] : NULL;
1478                 if (vif) {
1479                         rc = wil_cid_fill_sinfo(vif, i, sinfo);
1480                         if (rc)
1481                                 goto out;
1482
1483                         seq_printf(s, "  Tx_mcs = %d\n", sinfo->txrate.mcs);
1484                         seq_printf(s, "  Rx_mcs = %d\n", sinfo->rxrate.mcs);
1485                         seq_printf(s, "  SQ     = %d\n", sinfo->signal);
1486                 } else {
1487                         seq_puts(s, "  INVALID MID\n");
1488                 }
1489         }
1490
1491 out:
1492         kfree(sinfo);
1493         return rc;
1494 }
1495
1496 static int wil_link_seq_open(struct inode *inode, struct file *file)
1497 {
1498         return single_open(file, wil_link_debugfs_show, inode->i_private);
1499 }
1500
1501 static const struct file_operations fops_link = {
1502         .open           = wil_link_seq_open,
1503         .release        = single_release,
1504         .read           = seq_read,
1505         .llseek         = seq_lseek,
1506 };
1507
1508 /*---------info------------*/
1509 static int wil_info_debugfs_show(struct seq_file *s, void *data)
1510 {
1511         struct wil6210_priv *wil = s->private;
1512         struct net_device *ndev = wil->main_ndev;
1513         int is_ac = power_supply_is_system_supplied();
1514         int rx = atomic_xchg(&wil->isr_count_rx, 0);
1515         int tx = atomic_xchg(&wil->isr_count_tx, 0);
1516         static ulong rxf_old, txf_old;
1517         ulong rxf = ndev->stats.rx_packets;
1518         ulong txf = ndev->stats.tx_packets;
1519         unsigned int i;
1520
1521         /* >0 : AC; 0 : battery; <0 : error */
1522         seq_printf(s, "AC powered : %d\n", is_ac);
1523         seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1524         seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1525         rxf_old = rxf;
1526         txf_old = txf;
1527
1528 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1529         " " __stringify(x) : ""
1530
1531         for (i = 0; i < ndev->num_tx_queues; i++) {
1532                 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1533                 unsigned long state = txq->state;
1534
1535                 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1536                            CHECK_QSTATE(DRV_XOFF),
1537                            CHECK_QSTATE(STACK_XOFF),
1538                            CHECK_QSTATE(FROZEN)
1539                           );
1540         }
1541 #undef CHECK_QSTATE
1542         return 0;
1543 }
1544
1545 static int wil_info_seq_open(struct inode *inode, struct file *file)
1546 {
1547         return single_open(file, wil_info_debugfs_show, inode->i_private);
1548 }
1549
1550 static const struct file_operations fops_info = {
1551         .open           = wil_info_seq_open,
1552         .release        = single_release,
1553         .read           = seq_read,
1554         .llseek         = seq_lseek,
1555 };
1556
1557 /*---------recovery------------*/
1558 /* mode = [manual|auto]
1559  * state = [idle|pending|running]
1560  */
1561 static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1562                                       size_t count, loff_t *ppos)
1563 {
1564         struct wil6210_priv *wil = file->private_data;
1565         char buf[80];
1566         int n;
1567         static const char * const sstate[] = {"idle", "pending", "running"};
1568
1569         n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1570                      no_fw_recovery ? "manual" : "auto",
1571                      sstate[wil->recovery_state]);
1572
1573         n = min_t(int, n, sizeof(buf));
1574
1575         return simple_read_from_buffer(user_buf, count, ppos,
1576                                        buf, n);
1577 }
1578
1579 static ssize_t wil_write_file_recovery(struct file *file,
1580                                        const char __user *buf_,
1581                                        size_t count, loff_t *ppos)
1582 {
1583         struct wil6210_priv *wil = file->private_data;
1584         static const char run_command[] = "run";
1585         char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1586         ssize_t rc;
1587
1588         if (wil->recovery_state != fw_recovery_pending) {
1589                 wil_err(wil, "No recovery pending\n");
1590                 return -EINVAL;
1591         }
1592
1593         if (*ppos != 0) {
1594                 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1595                 return -EINVAL;
1596         }
1597
1598         if (count > sizeof(buf)) {
1599                 wil_err(wil, "Input too long, len = %d\n", (int)count);
1600                 return -EINVAL;
1601         }
1602
1603         rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1604         if (rc < 0)
1605                 return rc;
1606
1607         buf[rc] = '\0';
1608         if (0 == strcmp(buf, run_command))
1609                 wil_set_recovery_state(wil, fw_recovery_running);
1610         else
1611                 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1612
1613         return rc;
1614 }
1615
1616 static const struct file_operations fops_recovery = {
1617         .read = wil_read_file_recovery,
1618         .write = wil_write_file_recovery,
1619         .open  = simple_open,
1620 };
1621
1622 /*---------Station matrix------------*/
1623 static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1624 {
1625         int i;
1626         u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1627         unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
1628         unsigned long long drop_dup_mcast = r->drop_dup_mcast;
1629
1630         seq_printf(s, "([%2d]) 0x%03x [", r->buf_size, r->head_seq_num);
1631         for (i = 0; i < r->buf_size; i++) {
1632                 if (i == index)
1633                         seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1634                 else
1635                         seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1636         }
1637         seq_printf(s,
1638                    "] total %llu drop %llu (dup %llu + old %llu + dup mcast %llu) last 0x%03x\n",
1639                    r->total, drop_dup + drop_old + drop_dup_mcast, drop_dup,
1640                    drop_old, drop_dup_mcast, r->ssn_last_drop);
1641 }
1642
1643 static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
1644                                    struct wil_tid_crypto_rx *c)
1645 {
1646         int i;
1647
1648         for (i = 0; i < 4; i++) {
1649                 struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1650
1651                 if (cc->key_set)
1652                         goto has_keys;
1653         }
1654         return;
1655
1656 has_keys:
1657         if (tid < WIL_STA_TID_NUM)
1658                 seq_printf(s, "  [%2d] PN", tid);
1659         else
1660                 seq_puts(s, "  [GR] PN");
1661
1662         for (i = 0; i < 4; i++) {
1663                 struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1664
1665                 seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-",
1666                            cc->pn);
1667         }
1668         seq_puts(s, "\n");
1669 }
1670
1671 static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1672 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1673 {
1674         struct wil6210_priv *wil = s->private;
1675         int i, tid, mcs;
1676
1677         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1678                 struct wil_sta_info *p = &wil->sta[i];
1679                 char *status = "unknown";
1680                 u8 aid = 0;
1681                 u8 mid;
1682
1683                 switch (p->status) {
1684                 case wil_sta_unused:
1685                         status = "unused   ";
1686                         break;
1687                 case wil_sta_conn_pending:
1688                         status = "pending  ";
1689                         break;
1690                 case wil_sta_connected:
1691                         status = "connected";
1692                         aid = p->aid;
1693                         break;
1694                 }
1695                 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1696                 seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status,
1697                            mid, aid);
1698
1699                 if (p->status == wil_sta_connected) {
1700                         spin_lock_bh(&p->tid_rx_lock);
1701                         for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1702                                 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1703                                 struct wil_tid_crypto_rx *c =
1704                                                 &p->tid_crypto_rx[tid];
1705
1706                                 if (r) {
1707                                         seq_printf(s, "  [%2d] ", tid);
1708                                         wil_print_rxtid(s, r);
1709                                 }
1710
1711                                 wil_print_rxtid_crypto(s, tid, c);
1712                         }
1713                         wil_print_rxtid_crypto(s, WIL_STA_TID_NUM,
1714                                                &p->group_crypto_rx);
1715                         spin_unlock_bh(&p->tid_rx_lock);
1716                         seq_printf(s,
1717                                    "Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n",
1718                                    p->stats.rx_non_data_frame,
1719                                    p->stats.rx_short_frame,
1720                                    p->stats.rx_large_frame,
1721                                    p->stats.rx_replay);
1722                         seq_printf(s,
1723                                    "mic error %lu, key error %lu, amsdu error %lu, csum error %lu\n",
1724                                    p->stats.rx_mic_error,
1725                                    p->stats.rx_key_error,
1726                                    p->stats.rx_amsdu_error,
1727                                    p->stats.rx_csum_err);
1728
1729                         seq_puts(s, "Rx/MCS:");
1730                         for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
1731                              mcs++)
1732                                 seq_printf(s, " %lld",
1733                                            p->stats.rx_per_mcs[mcs]);
1734                         seq_puts(s, "\n");
1735                 }
1736         }
1737
1738         return 0;
1739 }
1740
1741 static int wil_sta_seq_open(struct inode *inode, struct file *file)
1742 {
1743         return single_open(file, wil_sta_debugfs_show, inode->i_private);
1744 }
1745
1746 static const struct file_operations fops_sta = {
1747         .open           = wil_sta_seq_open,
1748         .release        = single_release,
1749         .read           = seq_read,
1750         .llseek         = seq_lseek,
1751 };
1752
1753 static int wil_mids_debugfs_show(struct seq_file *s, void *data)
1754 {
1755         struct wil6210_priv *wil = s->private;
1756         struct wil6210_vif *vif;
1757         struct net_device *ndev;
1758         int i;
1759
1760         mutex_lock(&wil->vif_mutex);
1761         for (i = 0; i < wil->max_vifs; i++) {
1762                 vif = wil->vifs[i];
1763
1764                 if (vif) {
1765                         ndev = vif_to_ndev(vif);
1766                         seq_printf(s, "[%d] %pM %s\n", i, ndev->dev_addr,
1767                                    ndev->name);
1768                 } else {
1769                         seq_printf(s, "[%d] unused\n", i);
1770                 }
1771         }
1772         mutex_unlock(&wil->vif_mutex);
1773
1774         return 0;
1775 }
1776
1777 static int wil_mids_seq_open(struct inode *inode, struct file *file)
1778 {
1779         return single_open(file, wil_mids_debugfs_show, inode->i_private);
1780 }
1781
1782 static const struct file_operations fops_mids = {
1783         .open           = wil_mids_seq_open,
1784         .release        = single_release,
1785         .read           = seq_read,
1786         .llseek         = seq_lseek,
1787 };
1788
1789 static int wil_tx_latency_debugfs_show(struct seq_file *s, void *data)
1790 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1791 {
1792         struct wil6210_priv *wil = s->private;
1793         int i, bin;
1794
1795         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1796                 struct wil_sta_info *p = &wil->sta[i];
1797                 char *status = "unknown";
1798                 u8 aid = 0;
1799                 u8 mid;
1800
1801                 if (!p->tx_latency_bins)
1802                         continue;
1803
1804                 switch (p->status) {
1805                 case wil_sta_unused:
1806                         status = "unused   ";
1807                         break;
1808                 case wil_sta_conn_pending:
1809                         status = "pending  ";
1810                         break;
1811                 case wil_sta_connected:
1812                         status = "connected";
1813                         aid = p->aid;
1814                         break;
1815                 }
1816                 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1817                 seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status,
1818                            mid, aid);
1819
1820                 if (p->status == wil_sta_connected) {
1821                         u64 num_packets = 0;
1822                         u64 tx_latency_avg = p->stats.tx_latency_total_us;
1823
1824                         seq_puts(s, "Tx/Latency bin:");
1825                         for (bin = 0; bin < WIL_NUM_LATENCY_BINS; bin++) {
1826                                 seq_printf(s, " %lld",
1827                                            p->tx_latency_bins[bin]);
1828                                 num_packets += p->tx_latency_bins[bin];
1829                         }
1830                         seq_puts(s, "\n");
1831                         if (!num_packets)
1832                                 continue;
1833                         do_div(tx_latency_avg, num_packets);
1834                         seq_printf(s, "Tx/Latency min/avg/max (us): %d/%lld/%d",
1835                                    p->stats.tx_latency_min_us,
1836                                    tx_latency_avg,
1837                                    p->stats.tx_latency_max_us);
1838
1839                         seq_puts(s, "\n");
1840                 }
1841         }
1842
1843         return 0;
1844 }
1845
1846 static int wil_tx_latency_seq_open(struct inode *inode, struct file *file)
1847 {
1848         return single_open(file, wil_tx_latency_debugfs_show,
1849                            inode->i_private);
1850 }
1851
1852 static ssize_t wil_tx_latency_write(struct file *file, const char __user *buf,
1853                                     size_t len, loff_t *ppos)
1854 {
1855         struct seq_file *s = file->private_data;
1856         struct wil6210_priv *wil = s->private;
1857         int val, rc, i;
1858         bool enable;
1859
1860         rc = kstrtoint_from_user(buf, len, 0, &val);
1861         if (rc) {
1862                 wil_err(wil, "Invalid argument\n");
1863                 return rc;
1864         }
1865         if (val == 1)
1866                 /* default resolution */
1867                 val = 500;
1868         if (val && (val < 50 || val > 1000)) {
1869                 wil_err(wil, "Invalid resolution %d\n", val);
1870                 return -EINVAL;
1871         }
1872
1873         enable = !!val;
1874         if (wil->tx_latency == enable)
1875                 return len;
1876
1877         wil_info(wil, "%s TX latency measurements (resolution %dusec)\n",
1878                  enable ? "Enabling" : "Disabling", val);
1879
1880         if (enable) {
1881                 size_t sz = sizeof(u64) * WIL_NUM_LATENCY_BINS;
1882
1883                 wil->tx_latency_res = val;
1884                 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1885                         struct wil_sta_info *sta = &wil->sta[i];
1886
1887                         kfree(sta->tx_latency_bins);
1888                         sta->tx_latency_bins = kzalloc(sz, GFP_KERNEL);
1889                         if (!sta->tx_latency_bins)
1890                                 return -ENOMEM;
1891                         sta->stats.tx_latency_min_us = U32_MAX;
1892                         sta->stats.tx_latency_max_us = 0;
1893                         sta->stats.tx_latency_total_us = 0;
1894                 }
1895         }
1896         wil->tx_latency = enable;
1897
1898         return len;
1899 }
1900
1901 static const struct file_operations fops_tx_latency = {
1902         .open           = wil_tx_latency_seq_open,
1903         .release        = single_release,
1904         .read           = seq_read,
1905         .write          = wil_tx_latency_write,
1906         .llseek         = seq_lseek,
1907 };
1908
1909 static void wil_link_stats_print_basic(struct wil6210_vif *vif,
1910                                        struct seq_file *s,
1911                                        struct wmi_link_stats_basic *basic)
1912 {
1913         char per[5] = "?";
1914
1915         if (basic->per_average != 0xff)
1916                 snprintf(per, sizeof(per), "%d%%", basic->per_average);
1917
1918         seq_printf(s, "CID %d {\n"
1919                    "\tTxMCS %d TxTpt %d\n"
1920                    "\tGoodput(rx:tx) %d:%d\n"
1921                    "\tRxBcastFrames %d\n"
1922                    "\tRSSI %d SQI %d SNR %d PER %s\n"
1923                    "\tRx RFC %d Ant num %d\n"
1924                    "\tSectors(rx:tx) my %d:%d peer %d:%d\n"
1925                    "}\n",
1926                    basic->cid,
1927                    basic->bf_mcs, le32_to_cpu(basic->tx_tpt),
1928                    le32_to_cpu(basic->rx_goodput),
1929                    le32_to_cpu(basic->tx_goodput),
1930                    le32_to_cpu(basic->rx_bcast_frames),
1931                    basic->rssi, basic->sqi, basic->snr, per,
1932                    basic->selected_rfc, basic->rx_effective_ant_num,
1933                    basic->my_rx_sector, basic->my_tx_sector,
1934                    basic->other_rx_sector, basic->other_tx_sector);
1935 }
1936
1937 static void wil_link_stats_print_global(struct wil6210_priv *wil,
1938                                         struct seq_file *s,
1939                                         struct wmi_link_stats_global *global)
1940 {
1941         seq_printf(s, "Frames(rx:tx) %d:%d\n"
1942                    "BA Frames(rx:tx) %d:%d\n"
1943                    "Beacons %d\n"
1944                    "Rx Errors (MIC:CRC) %d:%d\n"
1945                    "Tx Errors (no ack) %d\n",
1946                    le32_to_cpu(global->rx_frames),
1947                    le32_to_cpu(global->tx_frames),
1948                    le32_to_cpu(global->rx_ba_frames),
1949                    le32_to_cpu(global->tx_ba_frames),
1950                    le32_to_cpu(global->tx_beacons),
1951                    le32_to_cpu(global->rx_mic_errors),
1952                    le32_to_cpu(global->rx_crc_errors),
1953                    le32_to_cpu(global->tx_fail_no_ack));
1954 }
1955
1956 static void wil_link_stats_debugfs_show_vif(struct wil6210_vif *vif,
1957                                             struct seq_file *s)
1958 {
1959         struct wil6210_priv *wil = vif_to_wil(vif);
1960         struct wmi_link_stats_basic *stats;
1961         int i;
1962
1963         if (!vif->fw_stats_ready) {
1964                 seq_puts(s, "no statistics\n");
1965                 return;
1966         }
1967
1968         seq_printf(s, "TSF %lld\n", vif->fw_stats_tsf);
1969         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1970                 if (wil->sta[i].status == wil_sta_unused)
1971                         continue;
1972                 if (wil->sta[i].mid != vif->mid)
1973                         continue;
1974
1975                 stats = &wil->sta[i].fw_stats_basic;
1976                 wil_link_stats_print_basic(vif, s, stats);
1977         }
1978 }
1979
1980 static int wil_link_stats_debugfs_show(struct seq_file *s, void *data)
1981 {
1982         struct wil6210_priv *wil = s->private;
1983         struct wil6210_vif *vif;
1984         int i, rc;
1985
1986         rc = mutex_lock_interruptible(&wil->vif_mutex);
1987         if (rc)
1988                 return rc;
1989
1990         /* iterate over all MIDs and show per-cid statistics. Then show the
1991          * global statistics
1992          */
1993         for (i = 0; i < wil->max_vifs; i++) {
1994                 vif = wil->vifs[i];
1995
1996                 seq_printf(s, "MID %d ", i);
1997                 if (!vif) {
1998                         seq_puts(s, "unused\n");
1999                         continue;
2000                 }
2001
2002                 wil_link_stats_debugfs_show_vif(vif, s);
2003         }
2004
2005         mutex_unlock(&wil->vif_mutex);
2006
2007         return 0;
2008 }
2009
2010 static int wil_link_stats_seq_open(struct inode *inode, struct file *file)
2011 {
2012         return single_open(file, wil_link_stats_debugfs_show, inode->i_private);
2013 }
2014
2015 static ssize_t wil_link_stats_write(struct file *file, const char __user *buf,
2016                                     size_t len, loff_t *ppos)
2017 {
2018         struct seq_file *s = file->private_data;
2019         struct wil6210_priv *wil = s->private;
2020         int cid, interval, rc, i;
2021         struct wil6210_vif *vif;
2022         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
2023
2024         if (!kbuf)
2025                 return -ENOMEM;
2026
2027         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
2028         if (rc != len) {
2029                 kfree(kbuf);
2030                 return rc >= 0 ? -EIO : rc;
2031         }
2032
2033         kbuf[len] = '\0';
2034         /* specify cid (use -1 for all cids) and snapshot interval in ms */
2035         rc = sscanf(kbuf, "%d %d", &cid, &interval);
2036         kfree(kbuf);
2037         if (rc < 0)
2038                 return rc;
2039         if (rc < 2 || interval < 0)
2040                 return -EINVAL;
2041
2042         wil_info(wil, "request link statistics, cid %d interval %d\n",
2043                  cid, interval);
2044
2045         rc = mutex_lock_interruptible(&wil->vif_mutex);
2046         if (rc)
2047                 return rc;
2048
2049         for (i = 0; i < wil->max_vifs; i++) {
2050                 vif = wil->vifs[i];
2051                 if (!vif)
2052                         continue;
2053
2054                 rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_BASIC,
2055                                         (cid == -1 ? 0xff : cid), interval);
2056                 if (rc)
2057                         wil_err(wil, "link statistics failed for mid %d\n", i);
2058         }
2059         mutex_unlock(&wil->vif_mutex);
2060
2061         return len;
2062 }
2063
2064 static const struct file_operations fops_link_stats = {
2065         .open           = wil_link_stats_seq_open,
2066         .release        = single_release,
2067         .read           = seq_read,
2068         .write          = wil_link_stats_write,
2069         .llseek         = seq_lseek,
2070 };
2071
2072 static int
2073 wil_link_stats_global_debugfs_show(struct seq_file *s, void *data)
2074 {
2075         struct wil6210_priv *wil = s->private;
2076
2077         if (!wil->fw_stats_global.ready)
2078                 return 0;
2079
2080         seq_printf(s, "TSF %lld\n", wil->fw_stats_global.tsf);
2081         wil_link_stats_print_global(wil, s, &wil->fw_stats_global.stats);
2082
2083         return 0;
2084 }
2085
2086 static int
2087 wil_link_stats_global_seq_open(struct inode *inode, struct file *file)
2088 {
2089         return single_open(file, wil_link_stats_global_debugfs_show,
2090                            inode->i_private);
2091 }
2092
2093 static ssize_t
2094 wil_link_stats_global_write(struct file *file, const char __user *buf,
2095                             size_t len, loff_t *ppos)
2096 {
2097         struct seq_file *s = file->private_data;
2098         struct wil6210_priv *wil = s->private;
2099         int interval, rc;
2100         struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2101
2102         /* specify snapshot interval in ms */
2103         rc = kstrtoint_from_user(buf, len, 0, &interval);
2104         if (rc || interval < 0) {
2105                 wil_err(wil, "Invalid argument\n");
2106                 return -EINVAL;
2107         }
2108
2109         wil_info(wil, "request global link stats, interval %d\n", interval);
2110
2111         rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_GLOBAL, 0, interval);
2112         if (rc)
2113                 wil_err(wil, "global link stats failed %d\n", rc);
2114
2115         return rc ? rc : len;
2116 }
2117
2118 static const struct file_operations fops_link_stats_global = {
2119         .open           = wil_link_stats_global_seq_open,
2120         .release        = single_release,
2121         .read           = seq_read,
2122         .write          = wil_link_stats_global_write,
2123         .llseek         = seq_lseek,
2124 };
2125
2126 static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf,
2127                                      size_t count, loff_t *ppos)
2128 {
2129         char buf[80];
2130         int n;
2131
2132         n = snprintf(buf, sizeof(buf),
2133                      "led_id is set to %d, echo 1 to enable, 0 to disable\n",
2134                      led_id);
2135
2136         n = min_t(int, n, sizeof(buf));
2137
2138         return simple_read_from_buffer(user_buf, count, ppos,
2139                                        buf, n);
2140 }
2141
2142 static ssize_t wil_write_file_led_cfg(struct file *file,
2143                                       const char __user *buf_,
2144                                       size_t count, loff_t *ppos)
2145 {
2146         struct wil6210_priv *wil = file->private_data;
2147         int val;
2148         int rc;
2149
2150         rc = kstrtoint_from_user(buf_, count, 0, &val);
2151         if (rc) {
2152                 wil_err(wil, "Invalid argument\n");
2153                 return rc;
2154         }
2155
2156         wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id);
2157         rc = wmi_led_cfg(wil, val);
2158         if (rc) {
2159                 wil_info(wil, "%s led %d failed\n",
2160                          val ? "Enabling" : "Disabling", led_id);
2161                 return rc;
2162         }
2163
2164         return count;
2165 }
2166
2167 static const struct file_operations fops_led_cfg = {
2168         .read = wil_read_file_led_cfg,
2169         .write = wil_write_file_led_cfg,
2170         .open  = simple_open,
2171 };
2172
2173 /* led_blink_time, write:
2174  * "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast>
2175  */
2176 static ssize_t wil_write_led_blink_time(struct file *file,
2177                                         const char __user *buf,
2178                                         size_t len, loff_t *ppos)
2179 {
2180         int rc;
2181         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
2182
2183         if (!kbuf)
2184                 return -ENOMEM;
2185
2186         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
2187         if (rc != len) {
2188                 kfree(kbuf);
2189                 return rc >= 0 ? -EIO : rc;
2190         }
2191
2192         kbuf[len] = '\0';
2193         rc = sscanf(kbuf, "%d %d %d %d %d %d",
2194                     &led_blink_time[WIL_LED_TIME_SLOW].on_ms,
2195                     &led_blink_time[WIL_LED_TIME_SLOW].off_ms,
2196                     &led_blink_time[WIL_LED_TIME_MED].on_ms,
2197                     &led_blink_time[WIL_LED_TIME_MED].off_ms,
2198                     &led_blink_time[WIL_LED_TIME_FAST].on_ms,
2199                     &led_blink_time[WIL_LED_TIME_FAST].off_ms);
2200         kfree(kbuf);
2201
2202         if (rc < 0)
2203                 return rc;
2204         if (rc < 6)
2205                 return -EINVAL;
2206
2207         return len;
2208 }
2209
2210 static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf,
2211                                        size_t count, loff_t *ppos)
2212 {
2213         static char text[400];
2214
2215         snprintf(text, sizeof(text),
2216                  "To set led blink on/off time variables write:\n"
2217                  "<blink_on_slow> <blink_off_slow> <blink_on_med> "
2218                  "<blink_off_med> <blink_on_fast> <blink_off_fast>\n"
2219                  "The current values are:\n"
2220                  "%d %d %d %d %d %d\n",
2221                  led_blink_time[WIL_LED_TIME_SLOW].on_ms,
2222                  led_blink_time[WIL_LED_TIME_SLOW].off_ms,
2223                  led_blink_time[WIL_LED_TIME_MED].on_ms,
2224                  led_blink_time[WIL_LED_TIME_MED].off_ms,
2225                  led_blink_time[WIL_LED_TIME_FAST].on_ms,
2226                  led_blink_time[WIL_LED_TIME_FAST].off_ms);
2227
2228         return simple_read_from_buffer(user_buf, count, ppos, text,
2229                                        sizeof(text));
2230 }
2231
2232 static const struct file_operations fops_led_blink_time = {
2233         .read = wil_read_led_blink_time,
2234         .write = wil_write_led_blink_time,
2235         .open  = simple_open,
2236 };
2237
2238 /*---------FW capabilities------------*/
2239 static int wil_fw_capabilities_debugfs_show(struct seq_file *s, void *data)
2240 {
2241         struct wil6210_priv *wil = s->private;
2242
2243         seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX,
2244                    wil->fw_capabilities);
2245
2246         return 0;
2247 }
2248
2249 static int wil_fw_capabilities_seq_open(struct inode *inode, struct file *file)
2250 {
2251         return single_open(file, wil_fw_capabilities_debugfs_show,
2252                            inode->i_private);
2253 }
2254
2255 static const struct file_operations fops_fw_capabilities = {
2256         .open           = wil_fw_capabilities_seq_open,
2257         .release        = single_release,
2258         .read           = seq_read,
2259         .llseek         = seq_lseek,
2260 };
2261
2262 /*---------FW version------------*/
2263 static int wil_fw_version_debugfs_show(struct seq_file *s, void *data)
2264 {
2265         struct wil6210_priv *wil = s->private;
2266
2267         if (wil->fw_version[0])
2268                 seq_printf(s, "%s\n", wil->fw_version);
2269         else
2270                 seq_puts(s, "N/A\n");
2271
2272         return 0;
2273 }
2274
2275 static int wil_fw_version_seq_open(struct inode *inode, struct file *file)
2276 {
2277         return single_open(file, wil_fw_version_debugfs_show,
2278                            inode->i_private);
2279 }
2280
2281 static const struct file_operations fops_fw_version = {
2282         .open           = wil_fw_version_seq_open,
2283         .release        = single_release,
2284         .read           = seq_read,
2285         .llseek         = seq_lseek,
2286 };
2287
2288 /*---------suspend_stats---------*/
2289 static ssize_t wil_write_suspend_stats(struct file *file,
2290                                        const char __user *buf,
2291                                        size_t len, loff_t *ppos)
2292 {
2293         struct wil6210_priv *wil = file->private_data;
2294
2295         memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
2296
2297         return len;
2298 }
2299
2300 static ssize_t wil_read_suspend_stats(struct file *file,
2301                                       char __user *user_buf,
2302                                       size_t count, loff_t *ppos)
2303 {
2304         struct wil6210_priv *wil = file->private_data;
2305         char *text;
2306         int n, ret, text_size = 500;
2307
2308         text = kmalloc(text_size, GFP_KERNEL);
2309         if (!text)
2310                 return -ENOMEM;
2311
2312         n = snprintf(text, text_size,
2313                      "Radio on suspend statistics:\n"
2314                      "successful suspends:%ld failed suspends:%ld\n"
2315                      "successful resumes:%ld failed resumes:%ld\n"
2316                      "rejected by device:%ld\n"
2317                      "Radio off suspend statistics:\n"
2318                      "successful suspends:%ld failed suspends:%ld\n"
2319                      "successful resumes:%ld failed resumes:%ld\n"
2320                      "General statistics:\n"
2321                      "rejected by host:%ld\n",
2322                      wil->suspend_stats.r_on.successful_suspends,
2323                      wil->suspend_stats.r_on.failed_suspends,
2324                      wil->suspend_stats.r_on.successful_resumes,
2325                      wil->suspend_stats.r_on.failed_resumes,
2326                      wil->suspend_stats.rejected_by_device,
2327                      wil->suspend_stats.r_off.successful_suspends,
2328                      wil->suspend_stats.r_off.failed_suspends,
2329                      wil->suspend_stats.r_off.successful_resumes,
2330                      wil->suspend_stats.r_off.failed_resumes,
2331                      wil->suspend_stats.rejected_by_host);
2332
2333         n = min_t(int, n, text_size);
2334
2335         ret = simple_read_from_buffer(user_buf, count, ppos, text, n);
2336
2337         kfree(text);
2338
2339         return ret;
2340 }
2341
2342 static const struct file_operations fops_suspend_stats = {
2343         .read = wil_read_suspend_stats,
2344         .write = wil_write_suspend_stats,
2345         .open  = simple_open,
2346 };
2347
2348 /*---------compressed_rx_status---------*/
2349 static ssize_t wil_compressed_rx_status_write(struct file *file,
2350                                               const char __user *buf,
2351                                               size_t len, loff_t *ppos)
2352 {
2353         struct seq_file *s = file->private_data;
2354         struct wil6210_priv *wil = s->private;
2355         int compressed_rx_status;
2356         int rc;
2357
2358         rc = kstrtoint_from_user(buf, len, 0, &compressed_rx_status);
2359         if (rc) {
2360                 wil_err(wil, "Invalid argument\n");
2361                 return rc;
2362         }
2363
2364         if (wil_has_active_ifaces(wil, true, false)) {
2365                 wil_err(wil, "cannot change edma config after iface is up\n");
2366                 return -EPERM;
2367         }
2368
2369         wil_info(wil, "%sable compressed_rx_status\n",
2370                  compressed_rx_status ? "En" : "Dis");
2371
2372         wil->use_compressed_rx_status = compressed_rx_status;
2373
2374         return len;
2375 }
2376
2377 static int
2378 wil_compressed_rx_status_show(struct seq_file *s, void *data)
2379 {
2380         struct wil6210_priv *wil = s->private;
2381
2382         seq_printf(s, "%d\n", wil->use_compressed_rx_status);
2383
2384         return 0;
2385 }
2386
2387 static int
2388 wil_compressed_rx_status_seq_open(struct inode *inode, struct file *file)
2389 {
2390         return single_open(file, wil_compressed_rx_status_show,
2391                            inode->i_private);
2392 }
2393
2394 static const struct file_operations fops_compressed_rx_status = {
2395         .open  = wil_compressed_rx_status_seq_open,
2396         .release = single_release,
2397         .read = seq_read,
2398         .write = wil_compressed_rx_status_write,
2399         .llseek = seq_lseek,
2400 };
2401
2402 /*----------------*/
2403 static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
2404                                        struct dentry *dbg)
2405 {
2406         int i;
2407         char name[32];
2408
2409         for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
2410                 struct wil_blob_wrapper *wil_blob = &wil->blobs[i];
2411                 struct debugfs_blob_wrapper *blob = &wil_blob->blob;
2412                 const struct fw_map *map = &fw_mapping[i];
2413
2414                 if (!map->name)
2415                         continue;
2416
2417                 wil_blob->wil = wil;
2418                 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
2419                 blob->size = map->to - map->from;
2420                 snprintf(name, sizeof(name), "blob_%s", map->name);
2421                 wil_debugfs_create_ioblob(name, 0444, dbg, wil_blob);
2422         }
2423 }
2424
2425 /* misc files */
2426 static const struct {
2427         const char *name;
2428         umode_t mode;
2429         const struct file_operations *fops;
2430 } dbg_files[] = {
2431         {"mbox",        0444,           &fops_mbox},
2432         {"rings",       0444,           &fops_ring},
2433         {"stations", 0444,              &fops_sta},
2434         {"mids",        0444,           &fops_mids},
2435         {"desc",        0444,           &fops_txdesc},
2436         {"bf",          0444,           &fops_bf},
2437         {"mem_val",     0644,           &fops_memread},
2438         {"rxon",        0244,           &fops_rxon},
2439         {"tx_mgmt",     0244,           &fops_txmgmt},
2440         {"wmi_send", 0244,              &fops_wmi},
2441         {"back",        0644,           &fops_back},
2442         {"pmccfg",      0644,           &fops_pmccfg},
2443         {"pmcdata",     0444,           &fops_pmcdata},
2444         {"temp",        0444,           &fops_temp},
2445         {"freq",        0444,           &fops_freq},
2446         {"link",        0444,           &fops_link},
2447         {"info",        0444,           &fops_info},
2448         {"recovery", 0644,              &fops_recovery},
2449         {"led_cfg",     0644,           &fops_led_cfg},
2450         {"led_blink_time",      0644,   &fops_led_blink_time},
2451         {"fw_capabilities",     0444,   &fops_fw_capabilities},
2452         {"fw_version",  0444,           &fops_fw_version},
2453         {"suspend_stats",       0644,   &fops_suspend_stats},
2454         {"compressed_rx_status", 0644,  &fops_compressed_rx_status},
2455         {"srings",      0444,           &fops_srings},
2456         {"status_msg",  0444,           &fops_status_msg},
2457         {"rx_buff_mgmt",        0444,   &fops_rx_buff_mgmt},
2458         {"tx_latency",  0644,           &fops_tx_latency},
2459         {"link_stats",  0644,           &fops_link_stats},
2460         {"link_stats_global",   0644,   &fops_link_stats_global},
2461 };
2462
2463 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
2464                                        struct dentry *dbg)
2465 {
2466         int i;
2467
2468         for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
2469                 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
2470                                     wil, dbg_files[i].fops);
2471 }
2472
2473 /* interrupt control blocks */
2474 static const struct {
2475         const char *name;
2476         u32 icr_off;
2477 } dbg_icr[] = {
2478         {"USER_ICR",            HOSTADDR(RGF_USER_USER_ICR)},
2479         {"DMA_EP_TX_ICR",       HOSTADDR(RGF_DMA_EP_TX_ICR)},
2480         {"DMA_EP_RX_ICR",       HOSTADDR(RGF_DMA_EP_RX_ICR)},
2481         {"DMA_EP_MISC_ICR",     HOSTADDR(RGF_DMA_EP_MISC_ICR)},
2482 };
2483
2484 static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
2485                                      struct dentry *dbg)
2486 {
2487         int i;
2488
2489         for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
2490                 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
2491                                            dbg_icr[i].icr_off);
2492 }
2493
2494 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
2495         offsetof(struct wil6210_priv, name), type}
2496
2497 /* fields in struct wil6210_priv */
2498 static const struct dbg_off dbg_wil_off[] = {
2499         WIL_FIELD(status[0],    0644,   doff_ulong),
2500         WIL_FIELD(hw_version,   0444,   doff_x32),
2501         WIL_FIELD(recovery_count, 0444, doff_u32),
2502         WIL_FIELD(discovery_mode, 0644, doff_u8),
2503         WIL_FIELD(chip_revision, 0444,  doff_u8),
2504         WIL_FIELD(abft_len, 0644,               doff_u8),
2505         WIL_FIELD(wakeup_trigger, 0644,         doff_u8),
2506         WIL_FIELD(ring_idle_trsh, 0644, doff_u32),
2507         WIL_FIELD(num_rx_status_rings, 0644,    doff_u8),
2508         WIL_FIELD(rx_status_ring_order, 0644,   doff_u32),
2509         WIL_FIELD(tx_status_ring_order, 0644,   doff_u32),
2510         WIL_FIELD(rx_buff_id_count, 0644,       doff_u32),
2511         WIL_FIELD(amsdu_en, 0644,       doff_u8),
2512         {},
2513 };
2514
2515 static const struct dbg_off dbg_wil_regs[] = {
2516         {"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
2517                 doff_io32},
2518         {"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
2519         {},
2520 };
2521
2522 /* static parameters */
2523 static const struct dbg_off dbg_statics[] = {
2524         {"desc_index",  0644, (ulong)&dbg_txdesc_index, doff_u32},
2525         {"ring_index",  0644, (ulong)&dbg_ring_index, doff_u32},
2526         {"mem_addr",    0644, (ulong)&mem_addr, doff_u32},
2527         {"led_polarity", 0644, (ulong)&led_polarity, doff_u8},
2528         {"status_index", 0644, (ulong)&dbg_status_msg_index, doff_u32},
2529         {"sring_index", 0644, (ulong)&dbg_sring_index, doff_u32},
2530         {},
2531 };
2532
2533 static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) +
2534                                 ARRAY_SIZE(dbg_wil_regs) - 1 +
2535                                 ARRAY_SIZE(pseudo_isr_off) - 1 +
2536                                 ARRAY_SIZE(lgc_itr_cnt_off) - 1 +
2537                                 ARRAY_SIZE(tx_itr_cnt_off) - 1 +
2538                                 ARRAY_SIZE(rx_itr_cnt_off) - 1;
2539
2540 int wil6210_debugfs_init(struct wil6210_priv *wil)
2541 {
2542         struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
2543                         wil_to_wiphy(wil)->debugfsdir);
2544         if (IS_ERR_OR_NULL(dbg))
2545                 return -ENODEV;
2546
2547         wil->dbg_data.data_arr = kcalloc(dbg_off_count,
2548                                          sizeof(struct wil_debugfs_iomem_data),
2549                                          GFP_KERNEL);
2550         if (!wil->dbg_data.data_arr) {
2551                 debugfs_remove_recursive(dbg);
2552                 wil->debug = NULL;
2553                 return -ENOMEM;
2554         }
2555
2556         wil->dbg_data.iomem_data_count = 0;
2557
2558         wil_pmc_init(wil);
2559
2560         wil6210_debugfs_init_files(wil, dbg);
2561         wil6210_debugfs_init_isr(wil, dbg);
2562         wil6210_debugfs_init_blobs(wil, dbg);
2563         wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
2564         wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
2565                                     dbg_wil_regs);
2566         wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
2567
2568         wil6210_debugfs_create_pseudo_ISR(wil, dbg);
2569
2570         wil6210_debugfs_create_ITR_CNT(wil, dbg);
2571
2572         return 0;
2573 }
2574
2575 void wil6210_debugfs_remove(struct wil6210_priv *wil)
2576 {
2577         int i;
2578
2579         debugfs_remove_recursive(wil->debug);
2580         wil->debug = NULL;
2581
2582         kfree(wil->dbg_data.data_arr);
2583         for (i = 0; i < ARRAY_SIZE(wil->sta); i++)
2584                 kfree(wil->sta[i].tx_latency_bins);
2585
2586         /* free pmc memory without sending command to fw, as it will
2587          * be reset on the way down anyway
2588          */
2589         wil_pmc_free(wil, false);
2590 }