1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
4 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
5 */
6
7 #include <linux/module.h>
8 #include <linux/debugfs.h>
9 #include <linux/seq_file.h>
10 #include <linux/pci.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/power_supply.h>
13 #include "wil6210.h"
14 #include "wmi.h"
15 #include "txrx.h"
16 #include "pmc.h"
17
18 /* Nasty hack. Better have per device instances */
19 static u32 mem_addr;
20 static u32 dbg_txdesc_index;
21 static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */
22 static u32 dbg_status_msg_index;
23 /* 0..wil->num_rx_status_rings-1 for Rx, wil->tx_sring_idx for Tx */
24 static u32 dbg_sring_index;
25
26 enum dbg_off_type {
27 doff_u32 = 0,
28 doff_x32 = 1,
29 doff_ulong = 2,
30 doff_io32 = 3,
31 doff_u8 = 4
32 };
33
34 /* offset to "wil" */
35 struct dbg_off {
36 const char *name;
37 umode_t mode;
38 ulong off;
39 enum dbg_off_type type;
40 };
41
wil_print_desc_edma(struct seq_file * s,struct wil6210_priv * wil,struct wil_ring * ring,char _s,char _h,int idx)42 static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil,
43 struct wil_ring *ring,
44 char _s, char _h, int idx)
45 {
46 u8 num_of_descs;
47 bool has_skb = false;
48
49 if (ring->is_rx) {
50 struct wil_rx_enhanced_desc *rx_d =
51 (struct wil_rx_enhanced_desc *)
52 &ring->va[idx].rx.enhanced;
53 u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
54
55 if (wil->rx_buff_mgmt.buff_arr &&
56 wil_val_in_range(buff_id, 0, wil->rx_buff_mgmt.size))
57 has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
58 seq_printf(s, "%c", (has_skb) ? _h : _s);
59 } else {
60 struct wil_tx_enhanced_desc *d =
61 (struct wil_tx_enhanced_desc *)
62 &ring->va[idx].tx.enhanced;
63
64 num_of_descs = (u8)d->mac.d[2];
65 has_skb = ring->ctx && ring->ctx[idx].skb;
66 if (num_of_descs >= 1)
67 seq_printf(s, "%c", has_skb ? _h : _s);
68 else
69 /* num_of_descs == 0, it's a frag in a list of descs */
70 seq_printf(s, "%c", has_skb ? 'h' : _s);
71 }
72 }
73
wil_print_ring(struct seq_file * s,struct wil6210_priv * wil,const char * name,struct wil_ring * ring,char _s,char _h)74 static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil,
75 const char *name, struct wil_ring *ring,
76 char _s, char _h)
77 {
78 void __iomem *x;
79 u32 v;
80
81 seq_printf(s, "RING %s = {\n", name);
82 seq_printf(s, " pa = %pad\n", &ring->pa);
83 seq_printf(s, " va = 0x%p\n", ring->va);
84 seq_printf(s, " size = %d\n", ring->size);
85 if (wil->use_enhanced_dma_hw && ring->is_rx)
86 seq_printf(s, " swtail = %u\n", *ring->edma_rx_swtail.va);
87 else
88 seq_printf(s, " swtail = %d\n", ring->swtail);
89 seq_printf(s, " swhead = %d\n", ring->swhead);
90 if (wil->use_enhanced_dma_hw) {
91 int ring_id = ring->is_rx ?
92 WIL_RX_DESC_RING_ID : ring - wil->ring_tx;
93 /* SUBQ_CONS is a table of 32 entries, one for each Q pair.
94 * lower 16bits are for even ring_id and upper 16bits are for
95 * odd ring_id
96 */
97 x = wmi_addr(wil, RGF_DMA_SCM_SUBQ_CONS + 4 * (ring_id / 2));
98 v = readl_relaxed(x);
99
100 v = (ring_id % 2 ? (v >> 16) : (v & 0xffff));
101 seq_printf(s, " hwhead = %u\n", v);
102 }
103 seq_printf(s, " hwtail = [0x%08x] -> ", ring->hwtail);
104 x = wmi_addr(wil, ring->hwtail);
105 if (x) {
106 v = readl(x);
107 seq_printf(s, "0x%08x = %d\n", v, v);
108 } else {
109 seq_puts(s, "???\n");
110 }
111
112 if (ring->va && (ring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
113 uint i;
114
115 for (i = 0; i < ring->size; i++) {
116 if ((i % 128) == 0 && i != 0)
117 seq_puts(s, "\n");
118 if (wil->use_enhanced_dma_hw) {
119 wil_print_desc_edma(s, wil, ring, _s, _h, i);
120 } else {
121 volatile struct vring_tx_desc *d =
122 &ring->va[i].tx.legacy;
123 seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
124 _s : (ring->ctx[i].skb ? _h : 'h'));
125 }
126 }
127 seq_puts(s, "\n");
128 }
129 seq_puts(s, "}\n");
130 }
131
ring_show(struct seq_file * s,void * data)132 static int ring_show(struct seq_file *s, void *data)
133 {
134 uint i;
135 struct wil6210_priv *wil = s->private;
136
137 wil_print_ring(s, wil, "rx", &wil->ring_rx, 'S', '_');
138
139 for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) {
140 struct wil_ring *ring = &wil->ring_tx[i];
141 struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i];
142
143 if (ring->va) {
144 int cid = wil->ring2cid_tid[i][0];
145 int tid = wil->ring2cid_tid[i][1];
146 u32 swhead = ring->swhead;
147 u32 swtail = ring->swtail;
148 int used = (ring->size + swhead - swtail)
149 % ring->size;
150 int avail = ring->size - used - 1;
151 char name[10];
152 char sidle[10];
153 /* performance monitoring */
154 cycles_t now = get_cycles();
155 uint64_t idle = txdata->idle * 100;
156 uint64_t total = now - txdata->begin;
157
158 if (total != 0) {
159 do_div(idle, total);
160 snprintf(sidle, sizeof(sidle), "%3d%%",
161 (int)idle);
162 } else {
163 snprintf(sidle, sizeof(sidle), "N/A");
164 }
165 txdata->begin = now;
166 txdata->idle = 0ULL;
167
168 snprintf(name, sizeof(name), "tx_%2d", i);
169
170 if (cid < wil->max_assoc_sta)
171 seq_printf(s,
172 "\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
173 wil->sta[cid].addr, cid, tid,
174 txdata->dot1x_open ? "+" : "-",
175 txdata->agg_wsize,
176 txdata->agg_timeout,
177 txdata->agg_amsdu ? "+" : "-",
178 used, avail, sidle);
179 else
180 seq_printf(s,
181 "\nBroadcast 1x%s [%3d|%3d] idle %s\n",
182 txdata->dot1x_open ? "+" : "-",
183 used, avail, sidle);
184
185 wil_print_ring(s, wil, name, ring, '_', 'H');
186 }
187 }
188
189 return 0;
190 }
191 DEFINE_SHOW_ATTRIBUTE(ring);
192
wil_print_sring(struct seq_file * s,struct wil6210_priv * wil,struct wil_status_ring * sring)193 static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
194 struct wil_status_ring *sring)
195 {
196 void __iomem *x;
197 int sring_idx = sring - wil->srings;
198 u32 v;
199
200 seq_printf(s, "Status Ring %s [ %d ] = {\n",
201 sring->is_rx ? "RX" : "TX", sring_idx);
202 seq_printf(s, " pa = %pad\n", &sring->pa);
203 seq_printf(s, " va = 0x%pK\n", sring->va);
204 seq_printf(s, " size = %d\n", sring->size);
205 seq_printf(s, " elem_size = %zu\n", sring->elem_size);
206 seq_printf(s, " swhead = %d\n", sring->swhead);
207 if (wil->use_enhanced_dma_hw) {
208 /* COMPQ_PROD is a table of 32 entries, one for each Q pair.
209 * lower 16bits are for even ring_id and upper 16bits are for
210 * odd ring_id
211 */
212 x = wmi_addr(wil, RGF_DMA_SCM_COMPQ_PROD + 4 * (sring_idx / 2));
213 v = readl_relaxed(x);
214
215 v = (sring_idx % 2 ? (v >> 16) : (v & 0xffff));
216 seq_printf(s, " hwhead = %u\n", v);
217 }
218 seq_printf(s, " hwtail = [0x%08x] -> ", sring->hwtail);
219 x = wmi_addr(wil, sring->hwtail);
220 if (x) {
221 v = readl_relaxed(x);
222 seq_printf(s, "0x%08x = %d\n", v, v);
223 } else {
224 seq_puts(s, "???\n");
225 }
226 seq_printf(s, " desc_rdy_pol = %d\n", sring->desc_rdy_pol);
227 seq_printf(s, " invalid_buff_id_cnt = %d\n",
228 sring->invalid_buff_id_cnt);
229
230 if (sring->va && (sring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
231 uint i;
232
233 for (i = 0; i < sring->size; i++) {
234 u32 *sdword_0 =
235 (u32 *)(sring->va + (sring->elem_size * i));
236
237 if ((i % 128) == 0 && i != 0)
238 seq_puts(s, "\n");
239 if (i == sring->swhead)
240 seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
241 'X' : 'x');
242 else
243 seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
244 '1' : '0');
245 }
246 seq_puts(s, "\n");
247 }
248 seq_puts(s, "}\n");
249 }
250
srings_show(struct seq_file * s,void * data)251 static int srings_show(struct seq_file *s, void *data)
252 {
253 struct wil6210_priv *wil = s->private;
254 int i = 0;
255
256 for (i = 0; i < WIL6210_MAX_STATUS_RINGS; i++)
257 if (wil->srings[i].va)
258 wil_print_sring(s, wil, &wil->srings[i]);
259
260 return 0;
261 }
262 DEFINE_SHOW_ATTRIBUTE(srings);
263
wil_seq_hexdump(struct seq_file * s,void * p,int len,const char * prefix)264 static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
265 const char *prefix)
266 {
267 seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false);
268 }
269
wil_print_mbox_ring(struct seq_file * s,const char * prefix,void __iomem * off)270 static void wil_print_mbox_ring(struct seq_file *s, const char *prefix,
271 void __iomem *off)
272 {
273 struct wil6210_priv *wil = s->private;
274 struct wil6210_mbox_ring r;
275 int rsize;
276 uint i;
277
278 wil_halp_vote(wil);
279
280 if (wil_mem_access_lock(wil)) {
281 wil_halp_unvote(wil);
282 return;
283 }
284
285 wil_memcpy_fromio_32(&r, off, sizeof(r));
286 wil_mbox_ring_le2cpus(&r);
287 /*
288 * we just read memory block from NIC. This memory may be
289 * garbage. Check validity before using it.
290 */
291 rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
292
293 seq_printf(s, "ring %s = {\n", prefix);
294 seq_printf(s, " base = 0x%08x\n", r.base);
295 seq_printf(s, " size = 0x%04x bytes -> %d entries\n", r.size, rsize);
296 seq_printf(s, " tail = 0x%08x\n", r.tail);
297 seq_printf(s, " head = 0x%08x\n", r.head);
298 seq_printf(s, " entry size = %d\n", r.entry_size);
299
300 if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
301 seq_printf(s, " ??? size is not multiple of %zd, garbage?\n",
302 sizeof(struct wil6210_mbox_ring_desc));
303 goto out;
304 }
305
306 if (!wmi_addr(wil, r.base) ||
307 !wmi_addr(wil, r.tail) ||
308 !wmi_addr(wil, r.head)) {
309 seq_puts(s, " ??? pointers are garbage?\n");
310 goto out;
311 }
312
313 for (i = 0; i < rsize; i++) {
314 struct wil6210_mbox_ring_desc d;
315 struct wil6210_mbox_hdr hdr;
316 size_t delta = i * sizeof(d);
317 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
318
319 wil_memcpy_fromio_32(&d, x, sizeof(d));
320
321 seq_printf(s, " [%2x] %s %s%s 0x%08x", i,
322 d.sync ? "F" : "E",
323 (r.tail - r.base == delta) ? "t" : " ",
324 (r.head - r.base == delta) ? "h" : " ",
325 le32_to_cpu(d.addr));
326 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
327 u16 len = le16_to_cpu(hdr.len);
328
329 seq_printf(s, " -> %04x %04x %04x %02x\n",
330 le16_to_cpu(hdr.seq), len,
331 le16_to_cpu(hdr.type), hdr.flags);
332 if (len <= MAX_MBOXITEM_SIZE) {
333 unsigned char databuf[MAX_MBOXITEM_SIZE];
334 void __iomem *src = wmi_buffer(wil, d.addr) +
335 sizeof(struct wil6210_mbox_hdr);
336 /*
337 * No need to check @src for validity -
338 * we already validated @d.addr while
339 * reading header
340 */
341 wil_memcpy_fromio_32(databuf, src, len);
342 wil_seq_hexdump(s, databuf, len, " : ");
343 }
344 } else {
345 seq_puts(s, "\n");
346 }
347 }
348 out:
349 seq_puts(s, "}\n");
350 wil_mem_access_unlock(wil);
351 wil_halp_unvote(wil);
352 }
353
mbox_show(struct seq_file * s,void * data)354 static int mbox_show(struct seq_file *s, void *data)
355 {
356 struct wil6210_priv *wil = s->private;
357 int ret;
358
359 ret = wil_pm_runtime_get(wil);
360 if (ret < 0)
361 return ret;
362
363 wil_print_mbox_ring(s, "tx", wil->csr + HOST_MBOX +
364 offsetof(struct wil6210_mbox_ctl, tx));
365 wil_print_mbox_ring(s, "rx", wil->csr + HOST_MBOX +
366 offsetof(struct wil6210_mbox_ctl, rx));
367
368 wil_pm_runtime_put(wil);
369
370 return 0;
371 }
372 DEFINE_SHOW_ATTRIBUTE(mbox);
373
wil_debugfs_iomem_x32_set(void * data,u64 val)374 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
375 {
376 struct wil_debugfs_iomem_data *d = (struct
377 wil_debugfs_iomem_data *)data;
378 struct wil6210_priv *wil = d->wil;
379 int ret;
380
381 ret = wil_pm_runtime_get(wil);
382 if (ret < 0)
383 return ret;
384
385 writel_relaxed(val, (void __iomem *)d->offset);
386
387 wmb(); /* make sure write propagated to HW */
388
389 wil_pm_runtime_put(wil);
390
391 return 0;
392 }
393
wil_debugfs_iomem_x32_get(void * data,u64 * val)394 static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
395 {
396 struct wil_debugfs_iomem_data *d = (struct
397 wil_debugfs_iomem_data *)data;
398 struct wil6210_priv *wil = d->wil;
399 int ret;
400
401 ret = wil_pm_runtime_get(wil);
402 if (ret < 0)
403 return ret;
404
405 *val = readl((void __iomem *)d->offset);
406
407 wil_pm_runtime_put(wil);
408
409 return 0;
410 }
411
412 DEFINE_DEBUGFS_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
413 wil_debugfs_iomem_x32_set, "0x%08llx\n");
414
wil_debugfs_create_iomem_x32(const char * name,umode_t mode,struct dentry * parent,void * value,struct wil6210_priv * wil)415 static void wil_debugfs_create_iomem_x32(const char *name, umode_t mode,
416 struct dentry *parent, void *value,
417 struct wil6210_priv *wil)
418 {
419 struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[
420 wil->dbg_data.iomem_data_count];
421
422 data->wil = wil;
423 data->offset = value;
424
425 debugfs_create_file_unsafe(name, mode, parent, data, &fops_iomem_x32);
426 wil->dbg_data.iomem_data_count++;
427 }
428
wil_debugfs_ulong_set(void * data,u64 val)429 static int wil_debugfs_ulong_set(void *data, u64 val)
430 {
431 *(ulong *)data = val;
432 return 0;
433 }
434
wil_debugfs_ulong_get(void * data,u64 * val)435 static int wil_debugfs_ulong_get(void *data, u64 *val)
436 {
437 *val = *(ulong *)data;
438 return 0;
439 }
440
441 DEFINE_DEBUGFS_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
442 wil_debugfs_ulong_set, "0x%llx\n");
443
444 /**
445 * wil6210_debugfs_init_offset - create set of debugfs files
446 * @wil: driver's context, used for printing
447 * @dbg: directory on the debugfs, where files will be created
448 * @base: base address used in address calculation
449 * @tbl: table with file descriptions. Should be terminated with empty element.
450 *
451 * Creates files accordingly to the @tbl.
452 */
wil6210_debugfs_init_offset(struct wil6210_priv * wil,struct dentry * dbg,void * base,const struct dbg_off * const tbl)453 static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
454 struct dentry *dbg, void *base,
455 const struct dbg_off * const tbl)
456 {
457 int i;
458
459 for (i = 0; tbl[i].name; i++) {
460 switch (tbl[i].type) {
461 case doff_u32:
462 debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
463 base + tbl[i].off);
464 break;
465 case doff_x32:
466 debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
467 base + tbl[i].off);
468 break;
469 case doff_ulong:
470 debugfs_create_file_unsafe(tbl[i].name, tbl[i].mode,
471 dbg, base + tbl[i].off,
472 &wil_fops_ulong);
473 break;
474 case doff_io32:
475 wil_debugfs_create_iomem_x32(tbl[i].name, tbl[i].mode,
476 dbg, base + tbl[i].off,
477 wil);
478 break;
479 case doff_u8:
480 debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg,
481 base + tbl[i].off);
482 break;
483 }
484 }
485 }
486
487 static const struct dbg_off isr_off[] = {
488 {"ICC", 0644, offsetof(struct RGF_ICR, ICC), doff_io32},
489 {"ICR", 0644, offsetof(struct RGF_ICR, ICR), doff_io32},
490 {"ICM", 0644, offsetof(struct RGF_ICR, ICM), doff_io32},
491 {"ICS", 0244, offsetof(struct RGF_ICR, ICS), doff_io32},
492 {"IMV", 0644, offsetof(struct RGF_ICR, IMV), doff_io32},
493 {"IMS", 0244, offsetof(struct RGF_ICR, IMS), doff_io32},
494 {"IMC", 0244, offsetof(struct RGF_ICR, IMC), doff_io32},
495 {},
496 };
497
wil6210_debugfs_create_ISR(struct wil6210_priv * wil,const char * name,struct dentry * parent,u32 off)498 static void wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
499 const char *name, struct dentry *parent,
500 u32 off)
501 {
502 struct dentry *d = debugfs_create_dir(name, parent);
503
504 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
505 isr_off);
506 }
507
508 static const struct dbg_off pseudo_isr_off[] = {
509 {"CAUSE", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
510 {"MASK_SW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
511 {"MASK_FW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
512 {},
513 };
514
wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv * wil,struct dentry * parent)515 static void wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
516 struct dentry *parent)
517 {
518 struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
519
520 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
521 pseudo_isr_off);
522 }
523
524 static const struct dbg_off lgc_itr_cnt_off[] = {
525 {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
526 {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
527 {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
528 {},
529 };
530
531 static const struct dbg_off tx_itr_cnt_off[] = {
532 {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
533 doff_io32},
534 {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
535 doff_io32},
536 {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
537 doff_io32},
538 {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
539 doff_io32},
540 {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
541 doff_io32},
542 {"IDL_CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
543 doff_io32},
544 {},
545 };
546
547 static const struct dbg_off rx_itr_cnt_off[] = {
548 {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
549 doff_io32},
550 {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
551 doff_io32},
552 {"CTL", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
553 doff_io32},
554 {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
555 doff_io32},
556 {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
557 doff_io32},
558 {"IDL_CTL", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
559 doff_io32},
560 {},
561 };
562
wil6210_debugfs_create_ITR_CNT(struct wil6210_priv * wil,struct dentry * parent)563 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
564 struct dentry *parent)
565 {
566 struct dentry *d, *dtx, *drx;
567
568 d = debugfs_create_dir("ITR_CNT", parent);
569
570 dtx = debugfs_create_dir("TX", d);
571 drx = debugfs_create_dir("RX", d);
572
573 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
574 lgc_itr_cnt_off);
575
576 wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
577 tx_itr_cnt_off);
578
579 wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
580 rx_itr_cnt_off);
581 return 0;
582 }
583
memread_show(struct seq_file * s,void * data)584 static int memread_show(struct seq_file *s, void *data)
585 {
586 struct wil6210_priv *wil = s->private;
587 void __iomem *a;
588 int ret;
589
590 ret = wil_pm_runtime_get(wil);
591 if (ret < 0)
592 return ret;
593
594 ret = wil_mem_access_lock(wil);
595 if (ret) {
596 wil_pm_runtime_put(wil);
597 return ret;
598 }
599
600 a = wmi_buffer(wil, cpu_to_le32(mem_addr));
601
602 if (a)
603 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a));
604 else
605 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
606
607 wil_mem_access_unlock(wil);
608 wil_pm_runtime_put(wil);
609
610 return 0;
611 }
612 DEFINE_SHOW_ATTRIBUTE(memread);
613
wil_read_file_ioblob(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)614 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
615 size_t count, loff_t *ppos)
616 {
617 enum { max_count = 4096 };
618 struct wil_blob_wrapper *wil_blob = file->private_data;
619 struct wil6210_priv *wil = wil_blob->wil;
620 loff_t aligned_pos, pos = *ppos;
621 size_t available = wil_blob->blob.size;
622 void *buf;
623 size_t unaligned_bytes, aligned_count, ret;
624 int rc;
625
626 if (pos < 0)
627 return -EINVAL;
628
629 if (pos >= available || !count)
630 return 0;
631
632 if (count > available - pos)
633 count = available - pos;
634 if (count > max_count)
635 count = max_count;
636
637 /* set pos to 4 bytes aligned */
638 unaligned_bytes = pos % 4;
639 aligned_pos = pos - unaligned_bytes;
640 aligned_count = count + unaligned_bytes;
641
642 buf = kmalloc(aligned_count, GFP_KERNEL);
643 if (!buf)
644 return -ENOMEM;
645
646 rc = wil_pm_runtime_get(wil);
647 if (rc < 0) {
648 kfree(buf);
649 return rc;
650 }
651
652 rc = wil_mem_access_lock(wil);
653 if (rc) {
654 kfree(buf);
655 wil_pm_runtime_put(wil);
656 return rc;
657 }
658
659 wil_memcpy_fromio_32(buf, (const void __iomem *)
660 wil_blob->blob.data + aligned_pos, aligned_count);
661
662 ret = copy_to_user(user_buf, buf + unaligned_bytes, count);
663
664 wil_mem_access_unlock(wil);
665 wil_pm_runtime_put(wil);
666
667 kfree(buf);
668 if (ret == count)
669 return -EFAULT;
670
671 count -= ret;
672 *ppos = pos + count;
673
674 return count;
675 }
676
677 static const struct file_operations fops_ioblob = {
678 .read = wil_read_file_ioblob,
679 .open = simple_open,
680 .llseek = default_llseek,
681 };
682
683 static
wil_debugfs_create_ioblob(const char * name,umode_t mode,struct dentry * parent,struct wil_blob_wrapper * wil_blob)684 struct dentry *wil_debugfs_create_ioblob(const char *name,
685 umode_t mode,
686 struct dentry *parent,
687 struct wil_blob_wrapper *wil_blob)
688 {
689 return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob);
690 }
691
692 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
wil_write_file_rxon(struct file * file,const char __user * buf,size_t len,loff_t * ppos)693 static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
694 size_t len, loff_t *ppos)
695 {
696 struct wil6210_priv *wil = file->private_data;
697 int rc;
698 long channel;
699 bool on;
700
701 char *kbuf = memdup_user_nul(buf, len);
702
703 if (IS_ERR(kbuf))
704 return PTR_ERR(kbuf);
705 rc = kstrtol(kbuf, 0, &channel);
706 kfree(kbuf);
707 if (rc)
708 return rc;
709
710 if ((channel < 0) || (channel > 4)) {
711 wil_err(wil, "Invalid channel %ld\n", channel);
712 return -EINVAL;
713 }
714 on = !!channel;
715
716 if (on) {
717 rc = wmi_set_channel(wil, (int)channel);
718 if (rc)
719 return rc;
720 }
721
722 rc = wmi_rxon(wil, on);
723 if (rc)
724 return rc;
725
726 return len;
727 }
728
729 static const struct file_operations fops_rxon = {
730 .write = wil_write_file_rxon,
731 .open = simple_open,
732 };
733
wil_write_file_rbufcap(struct file * file,const char __user * buf,size_t count,loff_t * ppos)734 static ssize_t wil_write_file_rbufcap(struct file *file,
735 const char __user *buf,
736 size_t count, loff_t *ppos)
737 {
738 struct wil6210_priv *wil = file->private_data;
739 int val;
740 int rc;
741
742 rc = kstrtoint_from_user(buf, count, 0, &val);
743 if (rc) {
744 wil_err(wil, "Invalid argument\n");
745 return rc;
746 }
747 /* input value: negative to disable, 0 to use system default,
748 * 1..ring size to set descriptor threshold
749 */
750 wil_info(wil, "%s RBUFCAP, descriptors threshold - %d\n",
751 val < 0 ? "Disabling" : "Enabling", val);
752
753 if (!wil->ring_rx.va || val > wil->ring_rx.size) {
754 wil_err(wil, "Invalid descriptors threshold, %d\n", val);
755 return -EINVAL;
756 }
757
758 rc = wmi_rbufcap_cfg(wil, val < 0 ? 0 : 1, val < 0 ? 0 : val);
759 if (rc) {
760 wil_err(wil, "RBUFCAP config failed: %d\n", rc);
761 return rc;
762 }
763
764 return count;
765 }
766
767 static const struct file_operations fops_rbufcap = {
768 .write = wil_write_file_rbufcap,
769 .open = simple_open,
770 };
771
772 /* block ack control, write:
773 * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
774 * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
775 * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
776 */
wil_write_back(struct file * file,const char __user * buf,size_t len,loff_t * ppos)777 static ssize_t wil_write_back(struct file *file, const char __user *buf,
778 size_t len, loff_t *ppos)
779 {
780 struct wil6210_priv *wil = file->private_data;
781 int rc;
782 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
783 char cmd[9];
784 int p1, p2, p3;
785
786 if (!kbuf)
787 return -ENOMEM;
788
789 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
790 if (rc != len) {
791 kfree(kbuf);
792 return rc >= 0 ? -EIO : rc;
793 }
794
795 kbuf[len] = '\0';
796 rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
797 kfree(kbuf);
798
799 if (rc < 0)
800 return rc;
801 if (rc < 2)
802 return -EINVAL;
803
804 if ((strcmp(cmd, "add") == 0) ||
805 (strcmp(cmd, "del_tx") == 0)) {
806 struct wil_ring_tx_data *txdata;
807
808 if (p1 < 0 || p1 >= WIL6210_MAX_TX_RINGS) {
809 wil_err(wil, "BACK: invalid ring id %d\n", p1);
810 return -EINVAL;
811 }
812 txdata = &wil->ring_tx_data[p1];
813 if (strcmp(cmd, "add") == 0) {
814 if (rc < 3) {
815 wil_err(wil, "BACK: add require at least 2 params\n");
816 return -EINVAL;
817 }
818 if (rc < 4)
819 p3 = 0;
820 wmi_addba(wil, txdata->mid, p1, p2, p3);
821 } else {
822 if (rc < 3)
823 p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
824 wmi_delba_tx(wil, txdata->mid, p1, p2);
825 }
826 } else if (strcmp(cmd, "del_rx") == 0) {
827 struct wil_sta_info *sta;
828
829 if (rc < 3) {
830 wil_err(wil,
831 "BACK: del_rx require at least 2 params\n");
832 return -EINVAL;
833 }
834 if (p1 < 0 || p1 >= wil->max_assoc_sta) {
835 wil_err(wil, "BACK: invalid CID %d\n", p1);
836 return -EINVAL;
837 }
838 if (rc < 4)
839 p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
840 sta = &wil->sta[p1];
841 wmi_delba_rx(wil, sta->mid, p1, p2, p3);
842 } else {
843 wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
844 return -EINVAL;
845 }
846
847 return len;
848 }
849
wil_read_back(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)850 static ssize_t wil_read_back(struct file *file, char __user *user_buf,
851 size_t count, loff_t *ppos)
852 {
853 static const char text[] = "block ack control, write:\n"
854 " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
855 "If missing, <timeout> defaults to 0\n"
856 " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
857 " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
858 "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
859
860 return simple_read_from_buffer(user_buf, count, ppos, text,
861 sizeof(text));
862 }
863
864 static const struct file_operations fops_back = {
865 .read = wil_read_back,
866 .write = wil_write_back,
867 .open = simple_open,
868 };
869
870 /* pmc control, write:
871 * - "alloc <num descriptors> <descriptor_size>" to allocate PMC
872 * - "free" to release memory allocated for PMC
873 */
wil_write_pmccfg(struct file * file,const char __user * buf,size_t len,loff_t * ppos)874 static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
875 size_t len, loff_t *ppos)
876 {
877 struct wil6210_priv *wil = file->private_data;
878 int rc;
879 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
880 char cmd[9];
881 int num_descs, desc_size;
882
883 if (!kbuf)
884 return -ENOMEM;
885
886 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
887 if (rc != len) {
888 kfree(kbuf);
889 return rc >= 0 ? -EIO : rc;
890 }
891
892 kbuf[len] = '\0';
893 rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
894 kfree(kbuf);
895
896 if (rc < 0)
897 return rc;
898
899 if (rc < 1) {
900 wil_err(wil, "pmccfg: no params given\n");
901 return -EINVAL;
902 }
903
904 if (0 == strcmp(cmd, "alloc")) {
905 if (rc != 3) {
906 wil_err(wil, "pmccfg: alloc requires 2 params\n");
907 return -EINVAL;
908 }
909 wil_pmc_alloc(wil, num_descs, desc_size);
910 } else if (0 == strcmp(cmd, "free")) {
911 if (rc != 1) {
912 wil_err(wil, "pmccfg: free does not have any params\n");
913 return -EINVAL;
914 }
915 wil_pmc_free(wil, true);
916 } else {
917 wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
918 return -EINVAL;
919 }
920
921 return len;
922 }
923
wil_read_pmccfg(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)924 static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
925 size_t count, loff_t *ppos)
926 {
927 struct wil6210_priv *wil = file->private_data;
928 char text[256];
929 char help[] = "pmc control, write:\n"
930 " - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
931 " - \"free\" to free memory allocated for pmc\n";
932
933 snprintf(text, sizeof(text), "Last command status: %d\n\n%s",
934 wil_pmc_last_cmd_status(wil), help);
935
936 return simple_read_from_buffer(user_buf, count, ppos, text,
937 strlen(text) + 1);
938 }
939
940 static const struct file_operations fops_pmccfg = {
941 .read = wil_read_pmccfg,
942 .write = wil_write_pmccfg,
943 .open = simple_open,
944 };
945
946 static const struct file_operations fops_pmcdata = {
947 .open = simple_open,
948 .read = wil_pmc_read,
949 .llseek = wil_pmc_llseek,
950 };
951
wil_pmcring_seq_open(struct inode * inode,struct file * file)952 static int wil_pmcring_seq_open(struct inode *inode, struct file *file)
953 {
954 return single_open(file, wil_pmcring_read, inode->i_private);
955 }
956
957 static const struct file_operations fops_pmcring = {
958 .open = wil_pmcring_seq_open,
959 .release = single_release,
960 .read = seq_read,
961 .llseek = seq_lseek,
962 };
963
964 /*---tx_mgmt---*/
965 /* Write mgmt frame to this file to send it */
wil_write_file_txmgmt(struct file * file,const char __user * buf,size_t len,loff_t * ppos)966 static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
967 size_t len, loff_t *ppos)
968 {
969 struct wil6210_priv *wil = file->private_data;
970 struct wiphy *wiphy = wil_to_wiphy(wil);
971 struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
972 struct cfg80211_mgmt_tx_params params;
973 int rc;
974 void *frame;
975
976 memset(¶ms, 0, sizeof(params));
977
978 if (!len)
979 return -EINVAL;
980
981 frame = memdup_user(buf, len);
982 if (IS_ERR(frame))
983 return PTR_ERR(frame);
984
985 params.buf = frame;
986 params.len = len;
987
988 rc = wil_cfg80211_mgmt_tx(wiphy, wdev, ¶ms, NULL);
989
990 kfree(frame);
991 wil_info(wil, "-> %d\n", rc);
992
993 return len;
994 }
995
996 static const struct file_operations fops_txmgmt = {
997 .write = wil_write_file_txmgmt,
998 .open = simple_open,
999 };
1000
1001 /* Write WMI command (w/o mbox header) to this file to send it
1002 * WMI starts from wil6210_mbox_hdr_wmi header
1003 */
wil_write_file_wmi(struct file * file,const char __user * buf,size_t len,loff_t * ppos)1004 static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
1005 size_t len, loff_t *ppos)
1006 {
1007 struct wil6210_priv *wil = file->private_data;
1008 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1009 struct wmi_cmd_hdr *wmi;
1010 void *cmd;
1011 int cmdlen = len - sizeof(struct wmi_cmd_hdr);
1012 u16 cmdid;
1013 int rc, rc1;
1014
1015 if (cmdlen < 0)
1016 return -EINVAL;
1017
1018 wmi = kmalloc(len, GFP_KERNEL);
1019 if (!wmi)
1020 return -ENOMEM;
1021
1022 rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
1023 if (rc < 0) {
1024 kfree(wmi);
1025 return rc;
1026 }
1027
1028 cmd = (cmdlen > 0) ? &wmi[1] : NULL;
1029 cmdid = le16_to_cpu(wmi->command_id);
1030
1031 rc1 = wmi_send(wil, cmdid, vif->mid, cmd, cmdlen);
1032 kfree(wmi);
1033
1034 wil_info(wil, "0x%04x[%d] -> %d\n", cmdid, cmdlen, rc1);
1035
1036 return rc;
1037 }
1038
1039 static const struct file_operations fops_wmi = {
1040 .write = wil_write_file_wmi,
1041 .open = simple_open,
1042 };
1043
wil_seq_print_skb(struct seq_file * s,struct sk_buff * skb)1044 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
1045 {
1046 int i = 0;
1047 int len = skb_headlen(skb);
1048 void *p = skb->data;
1049 int nr_frags = skb_shinfo(skb)->nr_frags;
1050
1051 seq_printf(s, " len = %d\n", len);
1052 wil_seq_hexdump(s, p, len, " : ");
1053
1054 if (nr_frags) {
1055 seq_printf(s, " nr_frags = %d\n", nr_frags);
1056 for (i = 0; i < nr_frags; i++) {
1057 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
1058
1059 len = skb_frag_size(frag);
1060 p = skb_frag_address_safe(frag);
1061 seq_printf(s, " [%2d] : len = %d\n", i, len);
1062 wil_seq_hexdump(s, p, len, " : ");
1063 }
1064 }
1065 }
1066
1067 /*---------Tx/Rx descriptor------------*/
txdesc_show(struct seq_file * s,void * data)1068 static int txdesc_show(struct seq_file *s, void *data)
1069 {
1070 struct wil6210_priv *wil = s->private;
1071 struct wil_ring *ring;
1072 bool tx;
1073 int ring_idx = dbg_ring_index;
1074 int txdesc_idx = dbg_txdesc_index;
1075 volatile struct vring_tx_desc *d;
1076 volatile u32 *u;
1077 struct sk_buff *skb;
1078
1079 if (wil->use_enhanced_dma_hw) {
1080 /* RX ring index == 0 */
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 > 0; /* desc ring 0 is reserved for RX */
1086 } else {
1087 /* RX ring index == WIL6210_MAX_TX_RINGS */
1088 if (ring_idx > WIL6210_MAX_TX_RINGS) {
1089 seq_printf(s, "invalid ring index %d\n", ring_idx);
1090 return 0;
1091 }
1092 tx = (ring_idx < WIL6210_MAX_TX_RINGS);
1093 }
1094
1095 ring = tx ? &wil->ring_tx[ring_idx] : &wil->ring_rx;
1096
1097 if (!ring->va) {
1098 if (tx)
1099 seq_printf(s, "No Tx[%2d] RING\n", ring_idx);
1100 else
1101 seq_puts(s, "No Rx RING\n");
1102 return 0;
1103 }
1104
1105 if (txdesc_idx >= ring->size) {
1106 if (tx)
1107 seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
1108 ring_idx, txdesc_idx, ring->size);
1109 else
1110 seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
1111 txdesc_idx, ring->size);
1112 return 0;
1113 }
1114
1115 /* use struct vring_tx_desc for Rx as well,
1116 * only field used, .dma.length, is the same
1117 */
1118 d = &ring->va[txdesc_idx].tx.legacy;
1119 u = (volatile u32 *)d;
1120 skb = NULL;
1121
1122 if (wil->use_enhanced_dma_hw) {
1123 if (tx) {
1124 skb = ring->ctx ? ring->ctx[txdesc_idx].skb : NULL;
1125 } else if (wil->rx_buff_mgmt.buff_arr) {
1126 struct wil_rx_enhanced_desc *rx_d =
1127 (struct wil_rx_enhanced_desc *)
1128 &ring->va[txdesc_idx].rx.enhanced;
1129 u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
1130
1131 if (!wil_val_in_range(buff_id, 0,
1132 wil->rx_buff_mgmt.size))
1133 seq_printf(s, "invalid buff_id %d\n", buff_id);
1134 else
1135 skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
1136 }
1137 } else {
1138 skb = ring->ctx[txdesc_idx].skb;
1139 }
1140 if (tx)
1141 seq_printf(s, "Tx[%2d][%3d] = {\n", ring_idx,
1142 txdesc_idx);
1143 else
1144 seq_printf(s, "Rx[%3d] = {\n", txdesc_idx);
1145 seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
1146 u[0], u[1], u[2], u[3]);
1147 seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
1148 u[4], u[5], u[6], u[7]);
1149 seq_printf(s, " SKB = 0x%p\n", skb);
1150
1151 if (skb) {
1152 skb_get(skb);
1153 wil_seq_print_skb(s, skb);
1154 kfree_skb(skb);
1155 }
1156 seq_puts(s, "}\n");
1157
1158 return 0;
1159 }
1160 DEFINE_SHOW_ATTRIBUTE(txdesc);
1161
1162 /*---------Tx/Rx status message------------*/
status_msg_show(struct seq_file * s,void * data)1163 static int status_msg_show(struct seq_file *s, void *data)
1164 {
1165 struct wil6210_priv *wil = s->private;
1166 int sring_idx = dbg_sring_index;
1167 struct wil_status_ring *sring;
1168 bool tx;
1169 u32 status_msg_idx = dbg_status_msg_index;
1170 u32 *u;
1171
1172 if (sring_idx >= WIL6210_MAX_STATUS_RINGS) {
1173 seq_printf(s, "invalid status ring index %d\n", sring_idx);
1174 return 0;
1175 }
1176
1177 sring = &wil->srings[sring_idx];
1178 tx = !sring->is_rx;
1179
1180 if (!sring->va) {
1181 seq_printf(s, "No %cX status ring\n", tx ? 'T' : 'R');
1182 return 0;
1183 }
1184
1185 if (status_msg_idx >= sring->size) {
1186 seq_printf(s, "%cxDesc index (%d) >= size (%d)\n",
1187 tx ? 'T' : 'R', status_msg_idx, sring->size);
1188 return 0;
1189 }
1190
1191 u = sring->va + (sring->elem_size * status_msg_idx);
1192
1193 seq_printf(s, "%cx[%d][%3d] = {\n",
1194 tx ? 'T' : 'R', sring_idx, status_msg_idx);
1195
1196 seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n",
1197 u[0], u[1], u[2], u[3]);
1198 if (!tx && !wil->use_compressed_rx_status)
1199 seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n",
1200 u[4], u[5], u[6], u[7]);
1201
1202 seq_puts(s, "}\n");
1203
1204 return 0;
1205 }
1206 DEFINE_SHOW_ATTRIBUTE(status_msg);
1207
wil_print_rx_buff(struct seq_file * s,struct list_head * lh)1208 static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh)
1209 {
1210 struct wil_rx_buff *it;
1211 int i = 0;
1212
1213 list_for_each_entry(it, lh, list) {
1214 if ((i % 16) == 0 && i != 0)
1215 seq_puts(s, "\n ");
1216 seq_printf(s, "[%4d] ", it->id);
1217 i++;
1218 }
1219 seq_printf(s, "\nNumber of buffers: %u\n", i);
1220
1221 return i;
1222 }
1223
rx_buff_mgmt_show(struct seq_file * s,void * data)1224 static int rx_buff_mgmt_show(struct seq_file *s, void *data)
1225 {
1226 struct wil6210_priv *wil = s->private;
1227 struct wil_rx_buff_mgmt *rbm = &wil->rx_buff_mgmt;
1228 int num_active;
1229 int num_free;
1230
1231 if (!rbm->buff_arr)
1232 return -EINVAL;
1233
1234 seq_printf(s, " size = %zu\n", rbm->size);
1235 seq_printf(s, " free_list_empty_cnt = %lu\n",
1236 rbm->free_list_empty_cnt);
1237
1238 /* Print active list */
1239 seq_puts(s, " Active list:\n");
1240 num_active = wil_print_rx_buff(s, &rbm->active);
1241 seq_puts(s, "\n Free list:\n");
1242 num_free = wil_print_rx_buff(s, &rbm->free);
1243
1244 seq_printf(s, " Total number of buffers: %u\n",
1245 num_active + num_free);
1246
1247 return 0;
1248 }
1249 DEFINE_SHOW_ATTRIBUTE(rx_buff_mgmt);
1250
1251 /*---------beamforming------------*/
wil_bfstatus_str(u32 status)1252 static char *wil_bfstatus_str(u32 status)
1253 {
1254 switch (status) {
1255 case 0:
1256 return "Failed";
1257 case 1:
1258 return "OK";
1259 case 2:
1260 return "Retrying";
1261 default:
1262 return "??";
1263 }
1264 }
1265
is_all_zeros(void * const x_,size_t sz)1266 static bool is_all_zeros(void * const x_, size_t sz)
1267 {
1268 /* if reply is all-0, ignore this CID */
1269 u32 *x = x_;
1270 int n;
1271
1272 for (n = 0; n < sz / sizeof(*x); n++)
1273 if (x[n])
1274 return false;
1275
1276 return true;
1277 }
1278
bf_show(struct seq_file * s,void * data)1279 static int bf_show(struct seq_file *s, void *data)
1280 {
1281 int rc;
1282 int i;
1283 struct wil6210_priv *wil = s->private;
1284 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1285 struct wmi_notify_req_cmd cmd = {
1286 .interval_usec = 0,
1287 };
1288 struct {
1289 struct wmi_cmd_hdr wmi;
1290 struct wmi_notify_req_done_event evt;
1291 } __packed reply;
1292
1293 memset(&reply, 0, sizeof(reply));
1294
1295 for (i = 0; i < wil->max_assoc_sta; i++) {
1296 u32 status;
1297 u8 bf_mcs;
1298
1299 cmd.cid = i;
1300 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
1301 &cmd, sizeof(cmd),
1302 WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
1303 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
1304 /* if reply is all-0, ignore this CID */
1305 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
1306 continue;
1307
1308 status = le32_to_cpu(reply.evt.status);
1309 bf_mcs = le16_to_cpu(reply.evt.bf_mcs);
1310 seq_printf(s, "CID %d {\n"
1311 " TSF = 0x%016llx\n"
1312 " TxMCS = %s TxTpt = %4d\n"
1313 " SQI = %4d\n"
1314 " RSSI = %4d\n"
1315 " Status = 0x%08x %s\n"
1316 " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
1317 " Goodput(rx:tx) %4d:%4d\n"
1318 "}\n",
1319 i,
1320 le64_to_cpu(reply.evt.tsf),
1321 WIL_EXTENDED_MCS_CHECK(bf_mcs),
1322 le32_to_cpu(reply.evt.tx_tpt),
1323 reply.evt.sqi,
1324 reply.evt.rssi,
1325 status, wil_bfstatus_str(status),
1326 le16_to_cpu(reply.evt.my_rx_sector),
1327 le16_to_cpu(reply.evt.my_tx_sector),
1328 le16_to_cpu(reply.evt.other_rx_sector),
1329 le16_to_cpu(reply.evt.other_tx_sector),
1330 le32_to_cpu(reply.evt.rx_goodput),
1331 le32_to_cpu(reply.evt.tx_goodput));
1332 }
1333 return 0;
1334 }
1335 DEFINE_SHOW_ATTRIBUTE(bf);
1336
1337 /*---------temp------------*/
print_temp(struct seq_file * s,const char * prefix,s32 t)1338 static void print_temp(struct seq_file *s, const char *prefix, s32 t)
1339 {
1340 switch (t) {
1341 case 0:
1342 case WMI_INVALID_TEMPERATURE:
1343 seq_printf(s, "%s N/A\n", prefix);
1344 break;
1345 default:
1346 seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""),
1347 abs(t / 1000), abs(t % 1000));
1348 break;
1349 }
1350 }
1351
temp_show(struct seq_file * s,void * data)1352 static int temp_show(struct seq_file *s, void *data)
1353 {
1354 struct wil6210_priv *wil = s->private;
1355 int rc, i;
1356
1357 if (test_bit(WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF,
1358 wil->fw_capabilities)) {
1359 struct wmi_temp_sense_all_done_event sense_all_evt;
1360
1361 wil_dbg_misc(wil,
1362 "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is supported");
1363 rc = wmi_get_all_temperatures(wil, &sense_all_evt);
1364 if (rc) {
1365 seq_puts(s, "Failed\n");
1366 return 0;
1367 }
1368 print_temp(s, "T_mac =",
1369 le32_to_cpu(sense_all_evt.baseband_t1000));
1370 seq_printf(s, "Connected RFs [0x%08x]\n",
1371 sense_all_evt.rf_bitmap);
1372 for (i = 0; i < WMI_MAX_XIF_PORTS_NUM; i++) {
1373 seq_printf(s, "RF[%d] = ", i);
1374 print_temp(s, "",
1375 le32_to_cpu(sense_all_evt.rf_t1000[i]));
1376 }
1377 } else {
1378 s32 t_m, t_r;
1379
1380 wil_dbg_misc(wil,
1381 "WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is not supported");
1382 rc = wmi_get_temperature(wil, &t_m, &t_r);
1383 if (rc) {
1384 seq_puts(s, "Failed\n");
1385 return 0;
1386 }
1387 print_temp(s, "T_mac =", t_m);
1388 print_temp(s, "T_radio =", t_r);
1389 }
1390 return 0;
1391 }
1392 DEFINE_SHOW_ATTRIBUTE(temp);
1393
1394 /*---------freq------------*/
freq_show(struct seq_file * s,void * data)1395 static int freq_show(struct seq_file *s, void *data)
1396 {
1397 struct wil6210_priv *wil = s->private;
1398 struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
1399 u32 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
1400
1401 seq_printf(s, "Freq = %d\n", freq);
1402
1403 return 0;
1404 }
1405 DEFINE_SHOW_ATTRIBUTE(freq);
1406
1407 /*---------link------------*/
link_show(struct seq_file * s,void * data)1408 static int link_show(struct seq_file *s, void *data)
1409 {
1410 struct wil6210_priv *wil = s->private;
1411 struct station_info *sinfo;
1412 int i, rc = 0;
1413
1414 sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
1415 if (!sinfo)
1416 return -ENOMEM;
1417
1418 for (i = 0; i < wil->max_assoc_sta; i++) {
1419 struct wil_sta_info *p = &wil->sta[i];
1420 char *status = "unknown";
1421 struct wil6210_vif *vif;
1422 u8 mid;
1423
1424 switch (p->status) {
1425 case wil_sta_unused:
1426 status = "unused ";
1427 break;
1428 case wil_sta_conn_pending:
1429 status = "pending ";
1430 break;
1431 case wil_sta_connected:
1432 status = "connected";
1433 break;
1434 }
1435 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1436 seq_printf(s, "[%d][MID %d] %pM %s\n",
1437 i, mid, p->addr, status);
1438
1439 if (p->status != wil_sta_connected)
1440 continue;
1441
1442 vif = (mid < GET_MAX_VIFS(wil)) ? wil->vifs[mid] : NULL;
1443 if (vif) {
1444 rc = wil_cid_fill_sinfo(vif, i, sinfo);
1445 if (rc)
1446 goto out;
1447
1448 seq_printf(s, " Tx_mcs = %s\n",
1449 WIL_EXTENDED_MCS_CHECK(sinfo->txrate.mcs));
1450 seq_printf(s, " Rx_mcs = %s\n",
1451 WIL_EXTENDED_MCS_CHECK(sinfo->rxrate.mcs));
1452 seq_printf(s, " SQ = %d\n", sinfo->signal);
1453 } else {
1454 seq_puts(s, " INVALID MID\n");
1455 }
1456 }
1457
1458 out:
1459 kfree(sinfo);
1460 return rc;
1461 }
1462 DEFINE_SHOW_ATTRIBUTE(link);
1463
1464 /*---------info------------*/
info_show(struct seq_file * s,void * data)1465 static int info_show(struct seq_file *s, void *data)
1466 {
1467 struct wil6210_priv *wil = s->private;
1468 struct net_device *ndev = wil->main_ndev;
1469 int is_ac = power_supply_is_system_supplied();
1470 int rx = atomic_xchg(&wil->isr_count_rx, 0);
1471 int tx = atomic_xchg(&wil->isr_count_tx, 0);
1472 static ulong rxf_old, txf_old;
1473 ulong rxf = ndev->stats.rx_packets;
1474 ulong txf = ndev->stats.tx_packets;
1475 unsigned int i;
1476
1477 /* >0 : AC; 0 : battery; <0 : error */
1478 seq_printf(s, "AC powered : %d\n", is_ac);
1479 seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1480 seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1481 rxf_old = rxf;
1482 txf_old = txf;
1483
1484 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1485 " " __stringify(x) : ""
1486
1487 for (i = 0; i < ndev->num_tx_queues; i++) {
1488 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1489 unsigned long state = txq->state;
1490
1491 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1492 CHECK_QSTATE(DRV_XOFF),
1493 CHECK_QSTATE(STACK_XOFF),
1494 CHECK_QSTATE(FROZEN)
1495 );
1496 }
1497 #undef CHECK_QSTATE
1498 return 0;
1499 }
1500 DEFINE_SHOW_ATTRIBUTE(info);
1501
1502 /*---------recovery------------*/
1503 /* mode = [manual|auto]
1504 * state = [idle|pending|running]
1505 */
wil_read_file_recovery(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1506 static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1507 size_t count, loff_t *ppos)
1508 {
1509 struct wil6210_priv *wil = file->private_data;
1510 char buf[80];
1511 int n;
1512 static const char * const sstate[] = {"idle", "pending", "running"};
1513
1514 n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1515 no_fw_recovery ? "manual" : "auto",
1516 sstate[wil->recovery_state]);
1517
1518 n = min_t(int, n, sizeof(buf));
1519
1520 return simple_read_from_buffer(user_buf, count, ppos,
1521 buf, n);
1522 }
1523
wil_write_file_recovery(struct file * file,const char __user * buf_,size_t count,loff_t * ppos)1524 static ssize_t wil_write_file_recovery(struct file *file,
1525 const char __user *buf_,
1526 size_t count, loff_t *ppos)
1527 {
1528 struct wil6210_priv *wil = file->private_data;
1529 static const char run_command[] = "run";
1530 char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1531 ssize_t rc;
1532
1533 if (wil->recovery_state != fw_recovery_pending) {
1534 wil_err(wil, "No recovery pending\n");
1535 return -EINVAL;
1536 }
1537
1538 if (*ppos != 0) {
1539 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1540 return -EINVAL;
1541 }
1542
1543 if (count > sizeof(buf)) {
1544 wil_err(wil, "Input too long, len = %d\n", (int)count);
1545 return -EINVAL;
1546 }
1547
1548 rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1549 if (rc < 0)
1550 return rc;
1551
1552 buf[rc] = '\0';
1553 if (0 == strcmp(buf, run_command))
1554 wil_set_recovery_state(wil, fw_recovery_running);
1555 else
1556 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1557
1558 return rc;
1559 }
1560
1561 static const struct file_operations fops_recovery = {
1562 .read = wil_read_file_recovery,
1563 .write = wil_write_file_recovery,
1564 .open = simple_open,
1565 };
1566
1567 /*---------Station matrix------------*/
wil_print_rxtid(struct seq_file * s,struct wil_tid_ampdu_rx * r)1568 static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1569 {
1570 int i;
1571 u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1572 unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
1573 unsigned long long drop_dup_mcast = r->drop_dup_mcast;
1574
1575 seq_printf(s, "([%2d]) 0x%03x [", r->buf_size, r->head_seq_num);
1576 for (i = 0; i < r->buf_size; i++) {
1577 if (i == index)
1578 seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1579 else
1580 seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1581 }
1582 seq_printf(s,
1583 "] total %llu drop %llu (dup %llu + old %llu + dup mcast %llu) last 0x%03x\n",
1584 r->total, drop_dup + drop_old + drop_dup_mcast, drop_dup,
1585 drop_old, drop_dup_mcast, r->ssn_last_drop);
1586 }
1587
wil_print_rxtid_crypto(struct seq_file * s,int tid,struct wil_tid_crypto_rx * c)1588 static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
1589 struct wil_tid_crypto_rx *c)
1590 {
1591 int i;
1592
1593 for (i = 0; i < 4; i++) {
1594 struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1595
1596 if (cc->key_set)
1597 goto has_keys;
1598 }
1599 return;
1600
1601 has_keys:
1602 if (tid < WIL_STA_TID_NUM)
1603 seq_printf(s, " [%2d] PN", tid);
1604 else
1605 seq_puts(s, " [GR] PN");
1606
1607 for (i = 0; i < 4; i++) {
1608 struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1609
1610 seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-",
1611 cc->pn);
1612 }
1613 seq_puts(s, "\n");
1614 }
1615
sta_show(struct seq_file * s,void * data)1616 static int sta_show(struct seq_file *s, void *data)
1617 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1618 {
1619 struct wil6210_priv *wil = s->private;
1620 int i, tid, mcs;
1621
1622 for (i = 0; i < wil->max_assoc_sta; i++) {
1623 struct wil_sta_info *p = &wil->sta[i];
1624 char *status = "unknown";
1625 u8 aid = 0;
1626 u8 mid;
1627 bool sta_connected = false;
1628
1629 switch (p->status) {
1630 case wil_sta_unused:
1631 status = "unused ";
1632 break;
1633 case wil_sta_conn_pending:
1634 status = "pending ";
1635 break;
1636 case wil_sta_connected:
1637 status = "connected";
1638 aid = p->aid;
1639 break;
1640 }
1641 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1642 if (mid < GET_MAX_VIFS(wil)) {
1643 struct wil6210_vif *vif = wil->vifs[mid];
1644
1645 if (vif->wdev.iftype == NL80211_IFTYPE_STATION &&
1646 p->status == wil_sta_connected)
1647 sta_connected = true;
1648 }
1649 /* print roam counter only for connected stations */
1650 if (sta_connected)
1651 seq_printf(s, "[%d] %pM connected (roam counter %d) MID %d AID %d\n",
1652 i, p->addr, p->stats.ft_roams, mid, aid);
1653 else
1654 seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i,
1655 p->addr, status, mid, aid);
1656
1657 if (p->status == wil_sta_connected) {
1658 spin_lock_bh(&p->tid_rx_lock);
1659 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1660 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1661 struct wil_tid_crypto_rx *c =
1662 &p->tid_crypto_rx[tid];
1663
1664 if (r) {
1665 seq_printf(s, " [%2d] ", tid);
1666 wil_print_rxtid(s, r);
1667 }
1668
1669 wil_print_rxtid_crypto(s, tid, c);
1670 }
1671 wil_print_rxtid_crypto(s, WIL_STA_TID_NUM,
1672 &p->group_crypto_rx);
1673 spin_unlock_bh(&p->tid_rx_lock);
1674 seq_printf(s,
1675 "Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n",
1676 p->stats.rx_non_data_frame,
1677 p->stats.rx_short_frame,
1678 p->stats.rx_large_frame,
1679 p->stats.rx_replay);
1680 seq_printf(s,
1681 "mic error %lu, key error %lu, amsdu error %lu, csum error %lu\n",
1682 p->stats.rx_mic_error,
1683 p->stats.rx_key_error,
1684 p->stats.rx_amsdu_error,
1685 p->stats.rx_csum_err);
1686
1687 seq_puts(s, "Rx/MCS:");
1688 for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
1689 mcs++)
1690 seq_printf(s, " %lld",
1691 p->stats.rx_per_mcs[mcs]);
1692 seq_puts(s, "\n");
1693 }
1694 }
1695
1696 return 0;
1697 }
1698 DEFINE_SHOW_ATTRIBUTE(sta);
1699
mids_show(struct seq_file * s,void * data)1700 static int mids_show(struct seq_file *s, void *data)
1701 {
1702 struct wil6210_priv *wil = s->private;
1703 struct wil6210_vif *vif;
1704 struct net_device *ndev;
1705 int i;
1706
1707 mutex_lock(&wil->vif_mutex);
1708 for (i = 0; i < GET_MAX_VIFS(wil); i++) {
1709 vif = wil->vifs[i];
1710
1711 if (vif) {
1712 ndev = vif_to_ndev(vif);
1713 seq_printf(s, "[%d] %pM %s\n", i, ndev->dev_addr,
1714 ndev->name);
1715 } else {
1716 seq_printf(s, "[%d] unused\n", i);
1717 }
1718 }
1719 mutex_unlock(&wil->vif_mutex);
1720
1721 return 0;
1722 }
1723 DEFINE_SHOW_ATTRIBUTE(mids);
1724
wil_tx_latency_debugfs_show(struct seq_file * s,void * data)1725 static int wil_tx_latency_debugfs_show(struct seq_file *s, void *data)
1726 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1727 {
1728 struct wil6210_priv *wil = s->private;
1729 int i, bin;
1730
1731 for (i = 0; i < wil->max_assoc_sta; i++) {
1732 struct wil_sta_info *p = &wil->sta[i];
1733 char *status = "unknown";
1734 u8 aid = 0;
1735 u8 mid;
1736
1737 if (!p->tx_latency_bins)
1738 continue;
1739
1740 switch (p->status) {
1741 case wil_sta_unused:
1742 status = "unused ";
1743 break;
1744 case wil_sta_conn_pending:
1745 status = "pending ";
1746 break;
1747 case wil_sta_connected:
1748 status = "connected";
1749 aid = p->aid;
1750 break;
1751 }
1752 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1753 seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status,
1754 mid, aid);
1755
1756 if (p->status == wil_sta_connected) {
1757 u64 num_packets = 0;
1758 u64 tx_latency_avg = p->stats.tx_latency_total_us;
1759
1760 seq_puts(s, "Tx/Latency bin:");
1761 for (bin = 0; bin < WIL_NUM_LATENCY_BINS; bin++) {
1762 seq_printf(s, " %lld",
1763 p->tx_latency_bins[bin]);
1764 num_packets += p->tx_latency_bins[bin];
1765 }
1766 seq_puts(s, "\n");
1767 if (!num_packets)
1768 continue;
1769 do_div(tx_latency_avg, num_packets);
1770 seq_printf(s, "Tx/Latency min/avg/max (us): %d/%lld/%d",
1771 p->stats.tx_latency_min_us,
1772 tx_latency_avg,
1773 p->stats.tx_latency_max_us);
1774
1775 seq_puts(s, "\n");
1776 }
1777 }
1778
1779 return 0;
1780 }
1781
wil_tx_latency_seq_open(struct inode * inode,struct file * file)1782 static int wil_tx_latency_seq_open(struct inode *inode, struct file *file)
1783 {
1784 return single_open(file, wil_tx_latency_debugfs_show,
1785 inode->i_private);
1786 }
1787
wil_tx_latency_write(struct file * file,const char __user * buf,size_t len,loff_t * ppos)1788 static ssize_t wil_tx_latency_write(struct file *file, const char __user *buf,
1789 size_t len, loff_t *ppos)
1790 {
1791 struct seq_file *s = file->private_data;
1792 struct wil6210_priv *wil = s->private;
1793 int val, rc, i;
1794 bool enable;
1795
1796 rc = kstrtoint_from_user(buf, len, 0, &val);
1797 if (rc) {
1798 wil_err(wil, "Invalid argument\n");
1799 return rc;
1800 }
1801 if (val == 1)
1802 /* default resolution */
1803 val = 500;
1804 if (val && (val < 50 || val > 1000)) {
1805 wil_err(wil, "Invalid resolution %d\n", val);
1806 return -EINVAL;
1807 }
1808
1809 enable = !!val;
1810 if (wil->tx_latency == enable)
1811 return len;
1812
1813 wil_info(wil, "%s TX latency measurements (resolution %dusec)\n",
1814 enable ? "Enabling" : "Disabling", val);
1815
1816 if (enable) {
1817 size_t sz = sizeof(u64) * WIL_NUM_LATENCY_BINS;
1818
1819 wil->tx_latency_res = val;
1820 for (i = 0; i < wil->max_assoc_sta; i++) {
1821 struct wil_sta_info *sta = &wil->sta[i];
1822
1823 kfree(sta->tx_latency_bins);
1824 sta->tx_latency_bins = kzalloc(sz, GFP_KERNEL);
1825 if (!sta->tx_latency_bins)
1826 return -ENOMEM;
1827 sta->stats.tx_latency_min_us = U32_MAX;
1828 sta->stats.tx_latency_max_us = 0;
1829 sta->stats.tx_latency_total_us = 0;
1830 }
1831 }
1832 wil->tx_latency = enable;
1833
1834 return len;
1835 }
1836
1837 static const struct file_operations fops_tx_latency = {
1838 .open = wil_tx_latency_seq_open,
1839 .release = single_release,
1840 .read = seq_read,
1841 .write = wil_tx_latency_write,
1842 .llseek = seq_lseek,
1843 };
1844
wil_link_stats_print_basic(struct wil6210_vif * vif,struct seq_file * s,struct wmi_link_stats_basic * basic)1845 static void wil_link_stats_print_basic(struct wil6210_vif *vif,
1846 struct seq_file *s,
1847 struct wmi_link_stats_basic *basic)
1848 {
1849 char per[5] = "?";
1850
1851 if (basic->per_average != 0xff)
1852 snprintf(per, sizeof(per), "%d%%", basic->per_average);
1853
1854 seq_printf(s, "CID %d {\n"
1855 "\tTxMCS %s TxTpt %d\n"
1856 "\tGoodput(rx:tx) %d:%d\n"
1857 "\tRxBcastFrames %d\n"
1858 "\tRSSI %d SQI %d SNR %d PER %s\n"
1859 "\tRx RFC %d Ant num %d\n"
1860 "\tSectors(rx:tx) my %d:%d peer %d:%d\n"
1861 "}\n",
1862 basic->cid,
1863 WIL_EXTENDED_MCS_CHECK(basic->bf_mcs),
1864 le32_to_cpu(basic->tx_tpt),
1865 le32_to_cpu(basic->rx_goodput),
1866 le32_to_cpu(basic->tx_goodput),
1867 le32_to_cpu(basic->rx_bcast_frames),
1868 basic->rssi, basic->sqi, basic->snr, per,
1869 basic->selected_rfc, basic->rx_effective_ant_num,
1870 basic->my_rx_sector, basic->my_tx_sector,
1871 basic->other_rx_sector, basic->other_tx_sector);
1872 }
1873
wil_link_stats_print_global(struct wil6210_priv * wil,struct seq_file * s,struct wmi_link_stats_global * global)1874 static void wil_link_stats_print_global(struct wil6210_priv *wil,
1875 struct seq_file *s,
1876 struct wmi_link_stats_global *global)
1877 {
1878 seq_printf(s, "Frames(rx:tx) %d:%d\n"
1879 "BA Frames(rx:tx) %d:%d\n"
1880 "Beacons %d\n"
1881 "Rx Errors (MIC:CRC) %d:%d\n"
1882 "Tx Errors (no ack) %d\n",
1883 le32_to_cpu(global->rx_frames),
1884 le32_to_cpu(global->tx_frames),
1885 le32_to_cpu(global->rx_ba_frames),
1886 le32_to_cpu(global->tx_ba_frames),
1887 le32_to_cpu(global->tx_beacons),
1888 le32_to_cpu(global->rx_mic_errors),
1889 le32_to_cpu(global->rx_crc_errors),
1890 le32_to_cpu(global->tx_fail_no_ack));
1891 }
1892
wil_link_stats_debugfs_show_vif(struct wil6210_vif * vif,struct seq_file * s)1893 static void wil_link_stats_debugfs_show_vif(struct wil6210_vif *vif,
1894 struct seq_file *s)
1895 {
1896 struct wil6210_priv *wil = vif_to_wil(vif);
1897 struct wmi_link_stats_basic *stats;
1898 int i;
1899
1900 if (!vif->fw_stats_ready) {
1901 seq_puts(s, "no statistics\n");
1902 return;
1903 }
1904
1905 seq_printf(s, "TSF %lld\n", vif->fw_stats_tsf);
1906 for (i = 0; i < wil->max_assoc_sta; i++) {
1907 if (wil->sta[i].status == wil_sta_unused)
1908 continue;
1909 if (wil->sta[i].mid != vif->mid)
1910 continue;
1911
1912 stats = &wil->sta[i].fw_stats_basic;
1913 wil_link_stats_print_basic(vif, s, stats);
1914 }
1915 }
1916
wil_link_stats_debugfs_show(struct seq_file * s,void * data)1917 static int wil_link_stats_debugfs_show(struct seq_file *s, void *data)
1918 {
1919 struct wil6210_priv *wil = s->private;
1920 struct wil6210_vif *vif;
1921 int i, rc;
1922
1923 rc = mutex_lock_interruptible(&wil->vif_mutex);
1924 if (rc)
1925 return rc;
1926
1927 /* iterate over all MIDs and show per-cid statistics. Then show the
1928 * global statistics
1929 */
1930 for (i = 0; i < GET_MAX_VIFS(wil); i++) {
1931 vif = wil->vifs[i];
1932
1933 seq_printf(s, "MID %d ", i);
1934 if (!vif) {
1935 seq_puts(s, "unused\n");
1936 continue;
1937 }
1938
1939 wil_link_stats_debugfs_show_vif(vif, s);
1940 }
1941
1942 mutex_unlock(&wil->vif_mutex);
1943
1944 return 0;
1945 }
1946
wil_link_stats_seq_open(struct inode * inode,struct file * file)1947 static int wil_link_stats_seq_open(struct inode *inode, struct file *file)
1948 {
1949 return single_open(file, wil_link_stats_debugfs_show, inode->i_private);
1950 }
1951
wil_link_stats_write(struct file * file,const char __user * buf,size_t len,loff_t * ppos)1952 static ssize_t wil_link_stats_write(struct file *file, const char __user *buf,
1953 size_t len, loff_t *ppos)
1954 {
1955 struct seq_file *s = file->private_data;
1956 struct wil6210_priv *wil = s->private;
1957 int cid, interval, rc, i;
1958 struct wil6210_vif *vif;
1959 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
1960
1961 if (!kbuf)
1962 return -ENOMEM;
1963
1964 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
1965 if (rc != len) {
1966 kfree(kbuf);
1967 return rc >= 0 ? -EIO : rc;
1968 }
1969
1970 kbuf[len] = '\0';
1971 /* specify cid (use -1 for all cids) and snapshot interval in ms */
1972 rc = sscanf(kbuf, "%d %d", &cid, &interval);
1973 kfree(kbuf);
1974 if (rc < 0)
1975 return rc;
1976 if (rc < 2 || interval < 0)
1977 return -EINVAL;
1978
1979 wil_info(wil, "request link statistics, cid %d interval %d\n",
1980 cid, interval);
1981
1982 rc = mutex_lock_interruptible(&wil->vif_mutex);
1983 if (rc)
1984 return rc;
1985
1986 for (i = 0; i < GET_MAX_VIFS(wil); i++) {
1987 vif = wil->vifs[i];
1988 if (!vif)
1989 continue;
1990
1991 rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_BASIC,
1992 (cid == -1 ? 0xff : cid), interval);
1993 if (rc)
1994 wil_err(wil, "link statistics failed for mid %d\n", i);
1995 }
1996 mutex_unlock(&wil->vif_mutex);
1997
1998 return len;
1999 }
2000
2001 static const struct file_operations fops_link_stats = {
2002 .open = wil_link_stats_seq_open,
2003 .release = single_release,
2004 .read = seq_read,
2005 .write = wil_link_stats_write,
2006 .llseek = seq_lseek,
2007 };
2008
2009 static int
wil_link_stats_global_debugfs_show(struct seq_file * s,void * data)2010 wil_link_stats_global_debugfs_show(struct seq_file *s, void *data)
2011 {
2012 struct wil6210_priv *wil = s->private;
2013
2014 if (!wil->fw_stats_global.ready)
2015 return 0;
2016
2017 seq_printf(s, "TSF %lld\n", wil->fw_stats_global.tsf);
2018 wil_link_stats_print_global(wil, s, &wil->fw_stats_global.stats);
2019
2020 return 0;
2021 }
2022
2023 static int
wil_link_stats_global_seq_open(struct inode * inode,struct file * file)2024 wil_link_stats_global_seq_open(struct inode *inode, struct file *file)
2025 {
2026 return single_open(file, wil_link_stats_global_debugfs_show,
2027 inode->i_private);
2028 }
2029
2030 static ssize_t
wil_link_stats_global_write(struct file * file,const char __user * buf,size_t len,loff_t * ppos)2031 wil_link_stats_global_write(struct file *file, const char __user *buf,
2032 size_t len, loff_t *ppos)
2033 {
2034 struct seq_file *s = file->private_data;
2035 struct wil6210_priv *wil = s->private;
2036 int interval, rc;
2037 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2038
2039 /* specify snapshot interval in ms */
2040 rc = kstrtoint_from_user(buf, len, 0, &interval);
2041 if (rc || interval < 0) {
2042 wil_err(wil, "Invalid argument\n");
2043 return -EINVAL;
2044 }
2045
2046 wil_info(wil, "request global link stats, interval %d\n", interval);
2047
2048 rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_GLOBAL, 0, interval);
2049 if (rc)
2050 wil_err(wil, "global link stats failed %d\n", rc);
2051
2052 return rc ? rc : len;
2053 }
2054
2055 static const struct file_operations fops_link_stats_global = {
2056 .open = wil_link_stats_global_seq_open,
2057 .release = single_release,
2058 .read = seq_read,
2059 .write = wil_link_stats_global_write,
2060 .llseek = seq_lseek,
2061 };
2062
wil_read_file_led_cfg(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)2063 static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf,
2064 size_t count, loff_t *ppos)
2065 {
2066 char buf[80];
2067 int n;
2068
2069 n = snprintf(buf, sizeof(buf),
2070 "led_id is set to %d, echo 1 to enable, 0 to disable\n",
2071 led_id);
2072
2073 n = min_t(int, n, sizeof(buf));
2074
2075 return simple_read_from_buffer(user_buf, count, ppos,
2076 buf, n);
2077 }
2078
wil_write_file_led_cfg(struct file * file,const char __user * buf_,size_t count,loff_t * ppos)2079 static ssize_t wil_write_file_led_cfg(struct file *file,
2080 const char __user *buf_,
2081 size_t count, loff_t *ppos)
2082 {
2083 struct wil6210_priv *wil = file->private_data;
2084 int val;
2085 int rc;
2086
2087 rc = kstrtoint_from_user(buf_, count, 0, &val);
2088 if (rc) {
2089 wil_err(wil, "Invalid argument\n");
2090 return rc;
2091 }
2092
2093 wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id);
2094 rc = wmi_led_cfg(wil, val);
2095 if (rc) {
2096 wil_info(wil, "%s led %d failed\n",
2097 val ? "Enabling" : "Disabling", led_id);
2098 return rc;
2099 }
2100
2101 return count;
2102 }
2103
2104 static const struct file_operations fops_led_cfg = {
2105 .read = wil_read_file_led_cfg,
2106 .write = wil_write_file_led_cfg,
2107 .open = simple_open,
2108 };
2109
2110 /* led_blink_time, write:
2111 * "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast>
2112 */
wil_write_led_blink_time(struct file * file,const char __user * buf,size_t len,loff_t * ppos)2113 static ssize_t wil_write_led_blink_time(struct file *file,
2114 const char __user *buf,
2115 size_t len, loff_t *ppos)
2116 {
2117 int rc;
2118 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
2119
2120 if (!kbuf)
2121 return -ENOMEM;
2122
2123 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
2124 if (rc != len) {
2125 kfree(kbuf);
2126 return rc >= 0 ? -EIO : rc;
2127 }
2128
2129 kbuf[len] = '\0';
2130 rc = sscanf(kbuf, "%d %d %d %d %d %d",
2131 &led_blink_time[WIL_LED_TIME_SLOW].on_ms,
2132 &led_blink_time[WIL_LED_TIME_SLOW].off_ms,
2133 &led_blink_time[WIL_LED_TIME_MED].on_ms,
2134 &led_blink_time[WIL_LED_TIME_MED].off_ms,
2135 &led_blink_time[WIL_LED_TIME_FAST].on_ms,
2136 &led_blink_time[WIL_LED_TIME_FAST].off_ms);
2137 kfree(kbuf);
2138
2139 if (rc < 0)
2140 return rc;
2141 if (rc < 6)
2142 return -EINVAL;
2143
2144 return len;
2145 }
2146
wil_read_led_blink_time(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)2147 static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf,
2148 size_t count, loff_t *ppos)
2149 {
2150 static char text[400];
2151
2152 snprintf(text, sizeof(text),
2153 "To set led blink on/off time variables write:\n"
2154 "<blink_on_slow> <blink_off_slow> <blink_on_med> "
2155 "<blink_off_med> <blink_on_fast> <blink_off_fast>\n"
2156 "The current values are:\n"
2157 "%d %d %d %d %d %d\n",
2158 led_blink_time[WIL_LED_TIME_SLOW].on_ms,
2159 led_blink_time[WIL_LED_TIME_SLOW].off_ms,
2160 led_blink_time[WIL_LED_TIME_MED].on_ms,
2161 led_blink_time[WIL_LED_TIME_MED].off_ms,
2162 led_blink_time[WIL_LED_TIME_FAST].on_ms,
2163 led_blink_time[WIL_LED_TIME_FAST].off_ms);
2164
2165 return simple_read_from_buffer(user_buf, count, ppos, text,
2166 sizeof(text));
2167 }
2168
2169 static const struct file_operations fops_led_blink_time = {
2170 .read = wil_read_led_blink_time,
2171 .write = wil_write_led_blink_time,
2172 .open = simple_open,
2173 };
2174
2175 /*---------FW capabilities------------*/
wil_fw_capabilities_debugfs_show(struct seq_file * s,void * data)2176 static int wil_fw_capabilities_debugfs_show(struct seq_file *s, void *data)
2177 {
2178 struct wil6210_priv *wil = s->private;
2179
2180 seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX,
2181 wil->fw_capabilities);
2182
2183 return 0;
2184 }
2185
wil_fw_capabilities_seq_open(struct inode * inode,struct file * file)2186 static int wil_fw_capabilities_seq_open(struct inode *inode, struct file *file)
2187 {
2188 return single_open(file, wil_fw_capabilities_debugfs_show,
2189 inode->i_private);
2190 }
2191
2192 static const struct file_operations fops_fw_capabilities = {
2193 .open = wil_fw_capabilities_seq_open,
2194 .release = single_release,
2195 .read = seq_read,
2196 .llseek = seq_lseek,
2197 };
2198
2199 /*---------FW version------------*/
wil_fw_version_debugfs_show(struct seq_file * s,void * data)2200 static int wil_fw_version_debugfs_show(struct seq_file *s, void *data)
2201 {
2202 struct wil6210_priv *wil = s->private;
2203
2204 if (wil->fw_version[0])
2205 seq_printf(s, "%s\n", wil->fw_version);
2206 else
2207 seq_puts(s, "N/A\n");
2208
2209 return 0;
2210 }
2211
wil_fw_version_seq_open(struct inode * inode,struct file * file)2212 static int wil_fw_version_seq_open(struct inode *inode, struct file *file)
2213 {
2214 return single_open(file, wil_fw_version_debugfs_show,
2215 inode->i_private);
2216 }
2217
2218 static const struct file_operations fops_fw_version = {
2219 .open = wil_fw_version_seq_open,
2220 .release = single_release,
2221 .read = seq_read,
2222 .llseek = seq_lseek,
2223 };
2224
2225 /*---------suspend_stats---------*/
wil_write_suspend_stats(struct file * file,const char __user * buf,size_t len,loff_t * ppos)2226 static ssize_t wil_write_suspend_stats(struct file *file,
2227 const char __user *buf,
2228 size_t len, loff_t *ppos)
2229 {
2230 struct wil6210_priv *wil = file->private_data;
2231
2232 memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
2233
2234 return len;
2235 }
2236
wil_read_suspend_stats(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)2237 static ssize_t wil_read_suspend_stats(struct file *file,
2238 char __user *user_buf,
2239 size_t count, loff_t *ppos)
2240 {
2241 struct wil6210_priv *wil = file->private_data;
2242 char *text;
2243 int n, ret, text_size = 500;
2244
2245 text = kmalloc(text_size, GFP_KERNEL);
2246 if (!text)
2247 return -ENOMEM;
2248
2249 n = snprintf(text, text_size,
2250 "Radio on suspend statistics:\n"
2251 "successful suspends:%ld failed suspends:%ld\n"
2252 "successful resumes:%ld failed resumes:%ld\n"
2253 "rejected by device:%ld\n"
2254 "Radio off suspend statistics:\n"
2255 "successful suspends:%ld failed suspends:%ld\n"
2256 "successful resumes:%ld failed resumes:%ld\n"
2257 "General statistics:\n"
2258 "rejected by host:%ld\n",
2259 wil->suspend_stats.r_on.successful_suspends,
2260 wil->suspend_stats.r_on.failed_suspends,
2261 wil->suspend_stats.r_on.successful_resumes,
2262 wil->suspend_stats.r_on.failed_resumes,
2263 wil->suspend_stats.rejected_by_device,
2264 wil->suspend_stats.r_off.successful_suspends,
2265 wil->suspend_stats.r_off.failed_suspends,
2266 wil->suspend_stats.r_off.successful_resumes,
2267 wil->suspend_stats.r_off.failed_resumes,
2268 wil->suspend_stats.rejected_by_host);
2269
2270 n = min_t(int, n, text_size);
2271
2272 ret = simple_read_from_buffer(user_buf, count, ppos, text, n);
2273
2274 kfree(text);
2275
2276 return ret;
2277 }
2278
2279 static const struct file_operations fops_suspend_stats = {
2280 .read = wil_read_suspend_stats,
2281 .write = wil_write_suspend_stats,
2282 .open = simple_open,
2283 };
2284
2285 /*---------compressed_rx_status---------*/
wil_compressed_rx_status_write(struct file * file,const char __user * buf,size_t len,loff_t * ppos)2286 static ssize_t wil_compressed_rx_status_write(struct file *file,
2287 const char __user *buf,
2288 size_t len, loff_t *ppos)
2289 {
2290 struct seq_file *s = file->private_data;
2291 struct wil6210_priv *wil = s->private;
2292 int compressed_rx_status;
2293 int rc;
2294
2295 rc = kstrtoint_from_user(buf, len, 0, &compressed_rx_status);
2296 if (rc) {
2297 wil_err(wil, "Invalid argument\n");
2298 return rc;
2299 }
2300
2301 if (wil_has_active_ifaces(wil, true, false)) {
2302 wil_err(wil, "cannot change edma config after iface is up\n");
2303 return -EPERM;
2304 }
2305
2306 wil_info(wil, "%sable compressed_rx_status\n",
2307 compressed_rx_status ? "En" : "Dis");
2308
2309 wil->use_compressed_rx_status = compressed_rx_status;
2310
2311 return len;
2312 }
2313
2314 static int
wil_compressed_rx_status_show(struct seq_file * s,void * data)2315 wil_compressed_rx_status_show(struct seq_file *s, void *data)
2316 {
2317 struct wil6210_priv *wil = s->private;
2318
2319 seq_printf(s, "%d\n", wil->use_compressed_rx_status);
2320
2321 return 0;
2322 }
2323
2324 static int
wil_compressed_rx_status_seq_open(struct inode * inode,struct file * file)2325 wil_compressed_rx_status_seq_open(struct inode *inode, struct file *file)
2326 {
2327 return single_open(file, wil_compressed_rx_status_show,
2328 inode->i_private);
2329 }
2330
2331 static const struct file_operations fops_compressed_rx_status = {
2332 .open = wil_compressed_rx_status_seq_open,
2333 .release = single_release,
2334 .read = seq_read,
2335 .write = wil_compressed_rx_status_write,
2336 .llseek = seq_lseek,
2337 };
2338
2339 /*----------------*/
wil6210_debugfs_init_blobs(struct wil6210_priv * wil,struct dentry * dbg)2340 static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
2341 struct dentry *dbg)
2342 {
2343 int i;
2344 char name[32];
2345
2346 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
2347 struct wil_blob_wrapper *wil_blob = &wil->blobs[i];
2348 struct debugfs_blob_wrapper *blob = &wil_blob->blob;
2349 const struct fw_map *map = &fw_mapping[i];
2350
2351 if (!map->name)
2352 continue;
2353
2354 wil_blob->wil = wil;
2355 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
2356 blob->size = map->to - map->from;
2357 snprintf(name, sizeof(name), "blob_%s", map->name);
2358 wil_debugfs_create_ioblob(name, 0444, dbg, wil_blob);
2359 }
2360 }
2361
2362 /* misc files */
2363 static const struct {
2364 const char *name;
2365 umode_t mode;
2366 const struct file_operations *fops;
2367 } dbg_files[] = {
2368 {"mbox", 0444, &mbox_fops},
2369 {"rings", 0444, &ring_fops},
2370 {"stations", 0444, &sta_fops},
2371 {"mids", 0444, &mids_fops},
2372 {"desc", 0444, &txdesc_fops},
2373 {"bf", 0444, &bf_fops},
2374 {"mem_val", 0644, &memread_fops},
2375 {"rxon", 0244, &fops_rxon},
2376 {"tx_mgmt", 0244, &fops_txmgmt},
2377 {"wmi_send", 0244, &fops_wmi},
2378 {"back", 0644, &fops_back},
2379 {"pmccfg", 0644, &fops_pmccfg},
2380 {"pmcdata", 0444, &fops_pmcdata},
2381 {"pmcring", 0444, &fops_pmcring},
2382 {"temp", 0444, &temp_fops},
2383 {"freq", 0444, &freq_fops},
2384 {"link", 0444, &link_fops},
2385 {"info", 0444, &info_fops},
2386 {"recovery", 0644, &fops_recovery},
2387 {"led_cfg", 0644, &fops_led_cfg},
2388 {"led_blink_time", 0644, &fops_led_blink_time},
2389 {"fw_capabilities", 0444, &fops_fw_capabilities},
2390 {"fw_version", 0444, &fops_fw_version},
2391 {"suspend_stats", 0644, &fops_suspend_stats},
2392 {"compressed_rx_status", 0644, &fops_compressed_rx_status},
2393 {"srings", 0444, &srings_fops},
2394 {"status_msg", 0444, &status_msg_fops},
2395 {"rx_buff_mgmt", 0444, &rx_buff_mgmt_fops},
2396 {"tx_latency", 0644, &fops_tx_latency},
2397 {"link_stats", 0644, &fops_link_stats},
2398 {"link_stats_global", 0644, &fops_link_stats_global},
2399 {"rbufcap", 0244, &fops_rbufcap},
2400 };
2401
wil6210_debugfs_init_files(struct wil6210_priv * wil,struct dentry * dbg)2402 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
2403 struct dentry *dbg)
2404 {
2405 int i;
2406
2407 for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
2408 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
2409 wil, dbg_files[i].fops);
2410 }
2411
2412 /* interrupt control blocks */
2413 static const struct {
2414 const char *name;
2415 u32 icr_off;
2416 } dbg_icr[] = {
2417 {"USER_ICR", HOSTADDR(RGF_USER_USER_ICR)},
2418 {"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR)},
2419 {"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR)},
2420 {"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR)},
2421 };
2422
wil6210_debugfs_init_isr(struct wil6210_priv * wil,struct dentry * dbg)2423 static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
2424 struct dentry *dbg)
2425 {
2426 int i;
2427
2428 for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
2429 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
2430 dbg_icr[i].icr_off);
2431 }
2432
2433 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
2434 offsetof(struct wil6210_priv, name), type}
2435
2436 /* fields in struct wil6210_priv */
2437 static const struct dbg_off dbg_wil_off[] = {
2438 WIL_FIELD(status[0], 0644, doff_ulong),
2439 WIL_FIELD(hw_version, 0444, doff_x32),
2440 WIL_FIELD(recovery_count, 0444, doff_u32),
2441 WIL_FIELD(discovery_mode, 0644, doff_u8),
2442 WIL_FIELD(chip_revision, 0444, doff_u8),
2443 WIL_FIELD(abft_len, 0644, doff_u8),
2444 WIL_FIELD(wakeup_trigger, 0644, doff_u8),
2445 WIL_FIELD(ring_idle_trsh, 0644, doff_u32),
2446 WIL_FIELD(num_rx_status_rings, 0644, doff_u8),
2447 WIL_FIELD(rx_status_ring_order, 0644, doff_u32),
2448 WIL_FIELD(tx_status_ring_order, 0644, doff_u32),
2449 WIL_FIELD(rx_buff_id_count, 0644, doff_u32),
2450 WIL_FIELD(amsdu_en, 0644, doff_u8),
2451 {},
2452 };
2453
2454 static const struct dbg_off dbg_wil_regs[] = {
2455 {"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
2456 doff_io32},
2457 {"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
2458 {"RGF_USER_USAGE_2", 0444, HOSTADDR(RGF_USER_USAGE_2), doff_io32},
2459 {},
2460 };
2461
2462 /* static parameters */
2463 static const struct dbg_off dbg_statics[] = {
2464 {"desc_index", 0644, (ulong)&dbg_txdesc_index, doff_u32},
2465 {"ring_index", 0644, (ulong)&dbg_ring_index, doff_u32},
2466 {"mem_addr", 0644, (ulong)&mem_addr, doff_u32},
2467 {"led_polarity", 0644, (ulong)&led_polarity, doff_u8},
2468 {"status_index", 0644, (ulong)&dbg_status_msg_index, doff_u32},
2469 {"sring_index", 0644, (ulong)&dbg_sring_index, doff_u32},
2470 {"drop_if_ring_full", 0644, (ulong)&drop_if_ring_full, doff_u8},
2471 {},
2472 };
2473
2474 static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) +
2475 ARRAY_SIZE(dbg_wil_regs) - 1 +
2476 ARRAY_SIZE(pseudo_isr_off) - 1 +
2477 ARRAY_SIZE(lgc_itr_cnt_off) - 1 +
2478 ARRAY_SIZE(tx_itr_cnt_off) - 1 +
2479 ARRAY_SIZE(rx_itr_cnt_off) - 1;
2480
wil6210_debugfs_init(struct wil6210_priv * wil)2481 int wil6210_debugfs_init(struct wil6210_priv *wil)
2482 {
2483 struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
2484 wil_to_wiphy(wil)->debugfsdir);
2485 if (IS_ERR_OR_NULL(dbg))
2486 return -ENODEV;
2487
2488 wil->dbg_data.data_arr = kcalloc(dbg_off_count,
2489 sizeof(struct wil_debugfs_iomem_data),
2490 GFP_KERNEL);
2491 if (!wil->dbg_data.data_arr) {
2492 debugfs_remove_recursive(dbg);
2493 wil->debug = NULL;
2494 return -ENOMEM;
2495 }
2496
2497 wil->dbg_data.iomem_data_count = 0;
2498
2499 wil_pmc_init(wil);
2500
2501 wil6210_debugfs_init_files(wil, dbg);
2502 wil6210_debugfs_init_isr(wil, dbg);
2503 wil6210_debugfs_init_blobs(wil, dbg);
2504 wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
2505 wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
2506 dbg_wil_regs);
2507 wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
2508
2509 wil6210_debugfs_create_pseudo_ISR(wil, dbg);
2510
2511 wil6210_debugfs_create_ITR_CNT(wil, dbg);
2512
2513 return 0;
2514 }
2515
wil6210_debugfs_remove(struct wil6210_priv * wil)2516 void wil6210_debugfs_remove(struct wil6210_priv *wil)
2517 {
2518 int i;
2519
2520 debugfs_remove_recursive(wil->debug);
2521 wil->debug = NULL;
2522
2523 kfree(wil->dbg_data.data_arr);
2524 for (i = 0; i < wil->max_assoc_sta; i++)
2525 kfree(wil->sta[i].tx_latency_bins);
2526
2527 /* free pmc memory without sending command to fw, as it will
2528 * be reset on the way down anyway
2529 */
2530 wil_pmc_free(wil, false);
2531 }
2532
